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Vehicle body front wall outer plate water guide structure and machining method

The invention relates to a vehicle body front wall outer plate water guide structure and a machining method. The vehicle body front wall outer plate water guide structure comprises a front wall outer plate upper reinforcing beam, a front wall outer plate lower reinforcing beam, a front wall outer plate body and a water guide piece, wherein a first space is formed in the front wall outer plate upper reinforcing beam, a second space is formed in the front wall outer plate lower reinforcing beam, the top of the front wall outer plate lower reinforcing beam is connected with the bottom of the front wall outer plate upper reinforcing beam, and the first space is communicated with the second space; the front wall outer plate body covers and is connected to the front wall outer plate lower reinforcing beam and the front wall outer plate upper reinforcing beam, and a water inlet communicated with the first space is formed in the front wall outer plate body; and the water guide piece is communicated ...

Commercial vehicle cab radiator grille turnover outer side plate structure and commercial vehicle

The invention relates to a commercial vehicle cab radiator grille turnover outer side plate structure and a commercial vehicle, and belongs to the technical field of commercial vehicle cab peripheral accessories. Comprising an outer side plate assembly, the outer side plate assembly comprises a plastic outer plate and a plastic inner plate, and the plastic outer plate and the plastic inner plate are formed into a whole through a mutual vibration friction welding technology; at least two groups of four-connecting-rod hinges are arranged and are respectively connected with the inner surface of the outer side of the outer side plate assembly, so that the outer side plate assembly is connected to the cab framework. The four-connecting-rod hinge is connected to the inner surface of the outer side of the outer side plate assembly and used for connecting the outer side plate assembly to the cab framework, so that the outer side plate assembly rotates around a cab with the four-connecting-rod hinge ...

ACOUSTO-OPTIC LEAKAGE MONITORING SYSTEM FOR NUCLEAR POWER PLANT MAIN STEAM PIPELINE

An acousto-optic leakage monitoring system for a nuclear power plant main steam pipeline (1). The system comprises an acoustic emission leakage monitoring loop (10) and an optical spectrum leakage monitoring loop (20), a signal input end of the acoustic emission leakage monitoring loop (10) and a signal input end of the optical spectrum leakage monitoring loop (20) are respectively disposed at probing points (2) of the main steam pipeline (1), a signal output end of the acoustic emission leakage monitoring loop (10) and a signal output end of the optical spectrum leakage monitoring loop (20) are in communication connection with each other by means of a network switch (30), and a control unit (40) and a display unit (50) are sequentially connected to the network switch (30). By combining acoustic emission and spectroscopy, pre-warning is made before the leakage of the main steam pipeline (1), and the diversity and redundancy of the leakage monitoring method of the main steam pipeline (1) ...

PROJECTION PICTURE CORRECTION METHOD AND DEVICE

A projection picture correction method and device, wherein the projection picture correction method comprises: decoding input image data and decreasing the resolution of the image data to a first preset resolution; correcting image data having the first preset solution according to a received correction instruction; scaling the corrected image data, and increasing the resolution of the image data to a second preset resolution; and forming a projection picture according to the scaled image data. This technical solution improves the definition of the image while ensuring a relatively high chip processing speed.

Intelligent monitoring system and method for regional pollution discharge

The invention relates to the field of urban pollution discharge detection, and discloses an intelligent monitoring system and method for regional pollution discharge, and the technical scheme is characterized in that the intelligent monitoring system comprises a control center, a plurality of monitoring elements and a plurality of well lids, and each well lid is provided with a flow collection module and a signal transmission module; the well lids conforming to the adjacent relation can communicate with each other through the signal transmission module, and the flow collection module obtains the flow of liquid entering a sewer through the well lids and defines the flow as circulation flow information. The corresponding signal transmission module generates a flow acquisition signal to the signal transmission module of the adjacent well lid to control the flow acquisition module to acquire whether liquid flows through or not, if the liquid flows through, the flow acquisition module acquires ...

Power generation system for storing pressure through flue gas compression

The invention relates to the technical field of power generation, in particular to a power generation system utilizing flue gas compression pressure storage. The steam inlet end of a feed water heater is connected with the steam extraction end of a steam turbine; the flue gas compressor is connected with a boiler flue gas outlet; a steam inlet of the first heat exchanger is connected with the flue gas compressor, and a water inlet end of the first heat exchanger is connected to a pipeline between the condenser and the feed water heater; the first heat exchanger heats condensed water of the condenser by using flue gas conveyed by the flue gas compressor to form pressure water; the pressure vessel water inlet is connected with the water outlet end of the first heat exchanger; a water outlet of the pressure container is connected to a pipeline between the feed water heater and the boiler; the pressure container has a pressure storage state for storing pressure water; the pressure releasing ...

Forging heating furnace adopting oxygen-fuel combustion technology

The invention relates to the technical field of forging heating, in particular to a forging heating furnace adopting an oxygen-fuel combustion technology. Comprising a heating furnace body, a fuel gas pipeline system, an oxygen pipeline system, an oxygen-fuel combustion system and an oxygen-fuel combustion burner, the fuel gas pipeline system and the oxygen pipeline system are both arranged on the heating furnace body in a communicating mode, and the oxygen-fuel combustion burner is arranged in the heating furnace body and communicates with the fuel gas pipeline system and the oxygen pipeline system. Oxygen and fuel gas are sprayed into a hearth of the heating furnace body through the full-oxygen combustion burner to be combusted, the full-oxygen combustion system comprises an oxygen adjusting valve, a fuel gas adjusting valve, a pressure sensor, a temperature sensor and a controller, the full-oxygen combustion technology is adopted in the combustion process of the heating furnace, the ...

Vulnerability verification method and system for industrial internet equipment

The invention relates to a vulnerability verification method and system for industrial internet equipment, and relates to the field of network security, and the method comprises the steps: carrying out the port scanning of target network equipment, and obtaining the feature parameters of the target network equipment; the characteristic parameter comprises an equipment fingerprint; the device fingerprint is a unique identifier of the target network device; based on the device fingerprint, judging whether a vulnerability script of the target network device exists in a vulnerability library or not; the vulnerability library is used for storing vulnerability script data of each network device; if the vulnerability script of the target network equipment exists, enabling the target network equipment to execute the vulnerability script, and outputting a vulnerability script execution result; the vulnerability script execution result comprises whether a vulnerability exists or not, and if the vulnerability ...

Power generation system for storing energy through flue gas compression

The invention relates to the technical field of power generation, in particular to a power generation system utilizing flue gas compression energy storage, which comprises a boiler, a steam turbine, a condenser and a feed water heater which are connected in sequence, the steam inlet end of the feed water heater is connected with the steam extraction end of the turbine; the flue gas compressor is connected with a boiler flue gas outlet and is electrically connected with the generator; a heat storage tank air inlet is connected with the flue gas compressor, a heat storage tank water inlet is connected with a condenser water outlet, and a heat storage tank water outlet is connected with a feed water heater water inlet; and a heat exchange structure and a heat storage medium are arranged in the heat storage tank. The heat storage tank heats a heat storage medium by using flue gas compressed and conveyed by a flue gas compressor; outlet water of the condenser is heated through the heat exchange ...

Device and method for detecting water content of surrounding rock surface layer of pumped storage underground powerhouse

The invention belongs to the technical field of microseismic signal detection, and provides a device and a method for detecting the water content of a surrounding rock surface layer of a pumped storage underground powerhouse. The device comprises a signal acquisition module, a signal excitation module and a signal analysis and visualization module, wherein the signal acquisition module and the signal excitation module are connected with the signal analysis and visualization module; the signal excitation module is used for continuously applying equal-amplitude vibration to a surrounding rock area to be detected and exciting to generate a plurality of standard vibration waves; the signal acquisition module is used for acquiring micro-seismic signals generated by excitation on the surface of the surrounding rock to be detected; the signal analysis and visualization module is used for generating a Mel time-frequency voiceprint graph according to the micro-seismic signal; and recognizing the ...

Distribution network overhead line unmanned aerial vehicle inspection system

The invention relates to a distribution network overhead line unmanned aerial vehicle inspection system and an inspection method thereof. The system comprises an unmanned aerial vehicle body, a route planning module, a data acquisition module, a central processing module, an actual route acquisition module and a route accuracy verification module. The route planning module is used for planning a target route for the unmanned aerial vehicle body; a data acquisition module and an actual route acquisition module are arranged on the unmanned aerial vehicle body, the data acquisition module is used for acquiring inspection images, the actual route acquisition module is used for acquiring an actual route of the unmanned aerial vehicle body, and the route planning module and the actual route acquisition module are connected with a route accuracy verification module. The route accuracy verification module and the data acquisition module are connected with the central processing module, and the ...

PROJECTOR CONTROL SYSTEM AND CONTROL METHOD

A projector control system (100) and a control method corresponding to same. The system (100) comprises a main controller (10), a dynamic current adjusting module (90), a color wheel controller (30), a color wheel rotation speed feedback module (40), and a light source (70); the dynamic current adjusting module (90) comprises a DLP module (20), a light source controller (50), and a power supply module (60); the color wheel rotation speed feedback module (40) generates a feedback signal; the DLP module (20) receives the feedback signal, and the DLP module (20) receives dynamic brightness information and sends processed dynamic brightness information and a control signal to the light source controller (50) according to the feedback signal; the light source controller (50) controls the power module (60) according to the received processed dynamic brightness information and the control signal sent by the DLP module (20) to turn on a power switch and output a corresponding current value. According ...

Projector and control method thereof

The invention discloses a projector and a control method thereof. The control method comprises the steps that a mode switching signal is acquired, working modes of a light source of the projector are switched based on the mode switching signal, the working modes comprise a first light emitting mode and a second light emitting mode, the light source is controlled to be turned off in a spoke period corresponding to a spoke area of a color wheel in the first light emitting mode, and the light source is controlled to be turned off in a spoke period corresponding to the spoke area of the color wheel in the second light emitting mode. And controlling the light source to be turned on in the spoke period. Therefore, in the mode, the first light emitting mode in which the light source is turned off in the spoke area of the color wheel and the second light emitting mode in which the light source is kept on in the spoke area can be selected based on the mode switching signal, the diversity of the ...

Projector

The invention relates to the technical field of projection equipment, in particular to a projector. According to the projector, the projector at least comprises the shell, the ray machine assembly, the first guide structure, the second guide structure, the first matching structure and the second matching structure, the first guide structure is arranged at the top of the inner wall of the shell, the second guide structure is arranged at the bottom of the inner wall of the shell, and the first matching structure is arranged at the top of the ray machine assembly; and the second matching structure is arranged at the top of the ray machine assembly, so that the ray machine assembly can be installed in the shell under the guidance of the first guide structure and the second guide structure under the matching of the first matching structure and the first guide structure and the matching of the second matching structure and the second guide structure. Thus, the situation that alignment between ...

Projection equipment heat dissipation control method and device and projection equipment

The invention relates to a projection equipment heat dissipation control method and device and projection equipment. The method comprises the following steps: acquiring the light source temperature of each light source in the projection equipment; determining the average temperature of the light source temperatures of the light sources; the light source temperature and the mean value temperature of each light source are compared with corresponding preset threshold values so as to determine whether preset fan adjusting conditions are met or not; under the condition that the preset fan adjusting condition is met, the rotating speed of a fan in the projection equipment is adjusted, so that the heat dissipation condition of the projection equipment is adjusted; wherein the preset threshold value corresponding to the light source temperature of each light source is determined according to the light source test temperature obtained by carrying out light source temperature test on each reference ...

Combined heat and power generation system based on liquid-steam ejector and water wheel power generation device

The combined heat and power generation system comprises a boiler, a steam turbine medium-pressure cylinder, a steam turbine low-pressure cylinder, a condenser and a water feeding pump which are sequentially connected through pipelines, and the liquid-steam ejector, the water wheel power generation device and a heat supply network heater which are sequentially connected through pipelines. A steam outlet of the steam turbine intermediate-pressure cylinder or a steam extraction opening of the steam turbine low-pressure cylinder is connected with the liquid-steam ejector through a pipeline; a middle tap of the water feeding pump is connected with the liquid-steam ejector through a pipeline, the liquid-steam ejector is connected with a fluid inlet of the water wheel power generation device through a pipeline, and the water wheel power generation device is connected with a water inlet of the heat supply network heater through a pipeline. High-pressure water from a middle tap of the water feeding ...

Security and protection method and system based on indoor distributed antenna system, and computer equipment

The invention relates to a security method and system based on an indoor distributed antenna system, computer equipment, a storage medium and a computer program product. The indoor distributed antenna system comprises a near-end device and at least two far-end devices connected with the near-end device. The method comprises the following steps: receiving a reported abnormal access signal; wherein the abnormal access signal carries a remote device address of a region where the abnormal communication device is located; and generating a network disconnection instruction based on the abnormal access signal, and issuing the network disconnection instruction to a first remote device corresponding to the remote device address, so that the first remote device closes a radio frequency signal of an area where the first remote device is located. By adopting the method, the secure network disconnection operation can be executed in a minimum unit, small-range targeted network disconnection is realized ...

Nickel-manganese-aluminum hydroxide precursor for lithium ion battery and preparation method of nickel-manganese-aluminum hydroxide precursor

The invention discloses a nickel-manganese-aluminum hydroxide precursor for a lithium ion battery and a preparation method of the nickel-manganese-aluminum hydroxide precursor. The preparation method comprises the following steps: adding a nickel salt, a manganese salt, an aluminum oxalate chelate, a hydroxide and an ammonium compound into a base solution, and carrying out a co-precipitation reaction to obtain a mixture; wherein the base solution is ammonia water; the aluminum oxalate chelate is obtained by mixing aluminum salt and oxalate; and carrying out aging reaction on the mixture to obtain the nickel-manganese-aluminum hydroxide precursor. And through accurate control of key parameters in the coprecipitation process, super-uniform dispersion of aluminum is realized. The nickel-manganese-aluminum hydroxide precursor prepared by the method is of a microsphere structure formed by close packing of nanosheets, the average volume particle size of microspheres is 7-15 microns, and the tap ...

Design checking method and device for double folding sleeping berths of vehicle and storage medium

The invention relates to a design checking method and device for a vehicle double folding sleeping berth and a storage medium, and the method is characterized in that the method comprises the following steps: determining key parameters of the double folding sleeping berth according to the total arrangement of the double folding sleeping berth and the performance target of each part; a two-dimensional principle model of the double folding sleeping berth mechanism is built according to the key parameters, and meanwhile, section contours of peripheral parts are added; performing driving simulation on the two-dimensional principle model of the double folding sleeping berth mechanism by taking the motion angle theta 1 of the four-bar linkage hinge mechanism as a motion driving parameter, and adjusting key parameters until the two-dimensional principle model of the mechanism meets a checking requirement; and building a three-dimensional motion model of the double folding sleeping berth according ...

METHOD FOR OBTAINING SPECIMEN IMAGE UNDER MICROSCOPE, IMAGING DEVICE AND METHOD THEREOF FOR OBTAINING SPECIMEN IMAGE

A method for obtaining a specimen image under a microscope, an imaging device and a method thereof for obtaining a specimen image. The method for obtaining a specimen image under a microscope comprises: adjusting the microscope so that the optical axis of an objective lens forms a preset angle with respect to a plane where a specimen to be imaged is located (S120); obtaining a depth-of-field distance of the specimen to be imaged according to the preset angle and a pre-obtained physical width for forming an image of the specimen to be imaged (S140); according to an association between the depth-of-field distance of the objective lens and the obtained depth-of-field distance of the specimen to be imaged, dividing into blocks at equal intervals the image view field where the specimen to be imaged is located (S160); and sequentially moving the image view field where the specimen to be imaged is located at equal intervals and capturing images of the specimen to be imaged (S180). By means of ...

Method for recycling cryolite with low molecular ratio through acid-deficient roasting of aluminum electrolyte waste residues

The invention belongs to the technical field of waste treatment, and provides a method for recycling cryolite with a low molecular ratio through acid-deficient roasting of aluminum electrolyte waste residues. The method comprises the following steps: mixing the aluminum electrolyte waste residue with an acid solution, and roasting to obtain a roasted material and fluorine-containing flue gas; mixing the roasted material with water, and filtering to obtain water leaching residues and a lithium sulfate solution containing sodium and potassium; mixing the water leaching residues with an organic coordination agent solution to obtain decalcified residues; and calcining the decalcified slag to obtain the cryolite with the low molecular ratio. According to the method, high-added-value lithium is efficiently recycled in the aluminum electrolyte waste residue treatment process, meanwhile, the molecular ratio of the electrolyte residues is adjusted back, and the low-molecular-ratio electrolyte needed ...

Vehicle outside rear-view mirror checking method and system

The invention relates to a vehicle outside rearview mirror checking method and system, and the method comprises the following steps: building a vehicle model, and arranging a rearview mirror at an initial position; assuming that an eye point is a light source point, making a union set of sight ranges of light rays emitted by the eye point after the light rays are reflected by a mirror surface, and forming a driver view area; making a regulation area at a preset position according to regulation requirements; and judging whether the visual field area of the driver contains the regulation area or not, if yes, meeting the checking requirement, and if not, adjusting the parameters of the rearview mirror until meeting the checking requirement. According to the method, the area formed after the light rays emitted by the eye spots serving as the light source points are reflected by the mirror surface is compared with the regulation area, so that whether the arrangement position of the rearview ...

A cylinder sandwich structure

... 本发明公开了种汽缸夹层结构，包括外缸和套设与外缸内的内缸，内缸的前端为进汽侧，后端为排汽侧；内缸的前部附近有漏汽通道，将内缸和外缸之间的夹层与内缸进汽相连通；内缸的后端与外缸的后端之间留有间隙，且通过过密封件将排汽的主流道与内缸和外缸之间的夹层隔离；内缸的缸壁周向上开设若干隧洞，隧洞的入口位于内缸的排汽侧端部，出口位于内缸中部附近的内侧面上。本发明在汽缸尾部增加连接内外缸的密封件(整圈密封)，以阻止夹层汽流汇入主流道的排汽区。在内缸壁上开隧洞(若干隧洞均匀布置在内缸壁周向截面上)，将夹层汽流引入某级主流道。回收了夹层蒸汽的做功能力，提高了机组经济性。 ...

Coal-based poly-generation flexible variable load system and operation method thereof

The invention relates to the technical field of power generation systems, in particular to a coal-based poly-generation flexible variable load system and an operation method thereof. The system comprises a power generation subsystem, the power generation subsystem comprises a steam generator, a turboset, a condenser and a heat regeneration assembly which are circularly communicated, a fluid outlet of the heat regeneration assembly is communicated with a fluid inlet of the steam generator, and a steam extraction pipeline is communicated between the turboset and the heat regeneration assembly; the heat exchange subsystem comprises a compressor, a heat supply heat exchanger, a turbine and a cold supply heat exchanger which are circularly communicated, and an outlet of the cold supply heat exchanger is communicated with the inlet end of the compressor; and a first flow channel of the heat storage assembly communicates between the steam turbine set and the heat return assembly, and a second ...

Subsurface flow adsorption purification type constructed wetland structure

The invention discloses a subsurface flow adsorption and purification type constructed wetland structure, relates to the technical field of sewage purification, and aims to solve the problems that an existing subsurface flow adsorption and purification type constructed wetland structure is inconvenient to pretreat and filter large-particle impurities in sewage, relatively slow in sewage purification speed, relatively low in working efficiency, high in construction difficulty, low in cost and the like. According to the technical scheme, the device comprises a purification tank, a water retaining wall is fixedly arranged in the purification tank, a standing cavity is formed in the purification tank, a phosphorus removal layer is arranged on the inner wall of the bottom of the purification tank, a microorganism fixing layer is arranged on the top of the phosphorus removal layer, and an activated carbon layer is arranged on the top of the microorganism fixing layer. And a first gravel layer ...

Comprehensive control system and method for plough depths on two sides of agricultural tractor

The invention provides an agricultural tractor two-side plough depth comprehensive control system and method. The system comprises a connecting oil way unit and a pair of plough depth oil cylinders, and rodless cavities of the two plough depth oil cylinders are connected through a first oil way; the two-position three-way electromagnetic directional valve is used for switching driving oil ways of the plough depth oil cylinders and the side plough oil cylinders, a third oil port of the two-position three-way electromagnetic directional valve is connected to a second oil way between the one-way valve and the rear proportional speed regulating valve, a first oil port of the two-position three-way electromagnetic directional valve is connected to a rodless cavity of the side plough oil cylinders, and a second oil port of the two-position three-way electromagnetic directional valve is connected to a first oil way between the two plough depth oil cylinders; the first two-position two-way electromagnetic ...

SYSTEM AND METHOD FOR HARDWARE-IN-THE-LOOP TEST OF SUBSYNCHRONOUS RESONANCE OF DOUBLE-FED FAN

A system and a method for a hardware-in-the-loop (HIL) test of subsynchronous resonance of a double-fed fan, wherein the system comprises: a power electronic real-time simulation platform, which is built with a digital simulation model comprising a power grid, wind farm equipment, and a main circuit of the double-fed fan; said digital simulation model is downloaded after real-time implementation to a simulator of the power electronic real-time simulation platform; and a controller of the double-fed fan to be tested, which is connected to the digital simulation model by means of an input/output interface of the simulator. The present invention may flexibly and easily achieve an HIL test of subsynchronous resonance of the double-fed fan, and is closer to real engineering situations, so that test results are more accurate. Also provided is a method for an HIL test of a subsynchronous resonance suppression function of the double-fed fan, which may comprehensively evaluate the subsynchronous ...

Method and system for producing hydrogen by coupling wind-solar complementary power generation with biomass supercritical water gasification

The invention discloses a hydrogen production system which comprises an energy production unit, a raw material treatment unit and a hydrogen production unit, the energy production unit transmits wind power electric energy and photovoltaic electric energy to the hydrogen production unit, the raw material treatment unit pretreats biomass raw materials and conveys the biomass raw materials to the hydrogen production unit, and the hydrogen production unit conducts biomass supercritical water gasification hydrogen production and conducts separation and purification on hydrogen. The system provided by the invention can realize resourceful treatment of biomass, and provides a feasible path for constructing a low-cost, clean and efficient hydrogen production system and realizing a dual-carbon target.

Data reading method and device, equipment and storage medium

The invention provides a data reading method, apparatus and device, and a storage medium. The method comprises the steps of obtaining a data storage file and a primary data request; based on the initial data request, reading all variable data of the data storage file to obtain variable names, variable paths and variable data of all variables, and generating a variable list; receiving a duplicated data request, and determining a target variable name of target data based on the duplicated data request; matching the target variable name with the variable list to obtain a target variable path of the target variable name, and reading variable data as target data based on the target variable path; when the data request is received for the first time, all the variable data is analyzed, the variable list is formed, when the data request is received again, the data path of the target data is obtained by indexing on the variable list, and the target data is read through the data path, so that all ...

Combined heat and power generation frequency modulation system and method

The invention discloses a combined heat and power generation frequency modulation system and method.The system comprises a boiler and a steam turbine, and the steam exhaust end of the steam turbine is connected with a steam inlet of the boiler through a circulation pipeline; a steam condensing device, a deaerator and a regenerative heating device are sequentially arranged on the circulating pipeline; the system further comprises a plurality of heat supply assemblies which are connected with different steam extraction positions of the steam turbine respectively. The steam extraction assemblies are respectively connected with different steam extraction positions of the steam turbine; the low-pressure steam extraction assemblies are connected with the low-pressure steam extraction end of the steam turbine. The heat storage frequency modulation devices are connected with the steam extraction assembly and the low-pressure steam extraction assembly and connected to different levels of heat users ...

Turnover grille assembly and vehicle

The invention discloses a turnover middle net assembly and a vehicle, and relates to the technical field of vehicle accessories, on one hand, the middle net assembly comprises a middle net body, a locking assembly, a connecting piece and a turnover assembly. The lower side of the middle net body is used for being rotationally connected with a bumper body through an overturning assembly, and the position of the middle net body overturned to a set angle relative to the bumper body is limited through the overturning assembly. The number of the locking assemblies is at least one, and the locking assemblies are used for locking the relative positions of the middle net body and the bumper body when the middle net body is in the vertical state. The number of the connecting pieces is at least one, and the connecting pieces are connected to the bumper body and the middle net body and used for providing force for turning over the middle net body to a set angle relative to the bumper body. On the ...

Oily sludge feeding system and control method

The invention discloses an oily sludge feeding system and a control method. The oily sludge feeding system comprises a feeding device and a control system, the feeding device comprises a dry material hopper, the dry material hopper is arranged above the input end of the weighing and conveying device, the output end of the weighing and conveying device extends to the position above the dry material vibrating screen, the dry material vibrating screen is arranged above the input end of the belt conveyor, and the output end of the belt conveyor extends to the position above the dry material hopper. The thinner vibration hopper and the dry material hopper are both arranged above the first-stage feeding conveyor, the output end of the first-stage feeding conveyor is arranged above the input end of the second-stage feeding conveyor, the output end of the second-stage feeding conveyor is arranged above the third-stage feeding box, and the third-stage feeding box is connected with the material processor ...

Bidirectional amplifier

The bidirectional amplifier comprises a first impedance matching circuit, a first amplifying circuit, a second impedance matching circuit, a second amplifying circuit and a third impedance matching circuit which are connected between a signal receiving and transmitting end and an antenna end, in a receiving mode, the first impedance matching circuit performs input impedance matching on a received signal; the first amplifying circuit is used for performing low-noise amplification on the received signal; the second impedance matching circuit performs inter-stage impedance matching on the received signal; the second amplification circuit performs gain amplification on the received signal; the third impedance matching circuit receives the signal and performs output impedance matching; in a transmitting mode, a third impedance matching circuit performs input impedance matching on a transmitting signal; the second amplification circuit amplifies the transmitted signal; the second impedance matching ...

NANO TITANIUM DIOXIDE COMPOSITE PARTICLE AND PREPARATION METHOD THEREOF

Provided is a nano titanium dioxide composite particle and a preparation method thereof. An organic titanium source, a Pt salt and a Co salt are used as precursors and dissolved in an ethanol solvent. By using a spray pyrolysis process, the precursors in the form of an atomized diffusion gas are sprayed into a reactor through a feeder. In an auxiliary flame of hydrogen and oxygen, the atomized precursors react to form sub-nanometer, platinum-loaded titanium dioxide composite particles. The size of the composite particles is 10-30 nm. The mass of platinum is 0.5-2% of the mass of titanium dioxide. The sub-nanometer platinum has a size of 0.5 to 1.2 nm and is uniformly supported on the surface of the titanium dioxide composite particles. The method increases the nucleation rate of platinum by introducing a cobalt source, reduces the particle size of platinum, and obtains Pt-loaded particles having a high loading amount and a sub-nanometer size.

Dynamic vehicle distribution task path planning method, electronic equipment and storage medium

The invention discloses a path planning method for a dynamic vehicle distribution task, electronic equipment and a storage medium. The method comprises the following steps: 1, establishing a vehicle distribution task model; 2, initializing global variables; 3, obtaining a new warehouse demand appearing in the current time slice; 4, updating a to-be-accessed warehouse demand set; 5, obtaining a virtual warehouse demand position set of the current time slice based on a Poisson distribution rule; 6, virtual warehouse demand information is constructed; 7, a path solver based on tilt variable neighborhood descent search is used for solving, so that a path planning scheme under the current time slice is obtained; 8, each vehicle in the vehicle team executes a distribution task according to the path planning scheme; and 9, if a cycle termination condition is met, returning to the path planning scheme, otherwise, returning to the step 3. According to the method, the warehouse position can be simulated ...

Coupling power generation system and operation method thereof

The invention relates to the technical field of multi-energy complementary power generation, in particular to a coupling power generation system and an operation method thereof. The coupling power generation system comprises a power generation subsystem, a heat exchange assembly and a photovoltaic subsystem. When the power generation system works, along with the increase of the solar radiation intensity, the flow speed of fluid in the second flow channel of the heat exchange assembly is firstly increased, the flow speed of a heat exchange medium passing through the heat collection pipe is increased, condensed water in the first flow channel is heated, and the heat power of the steam generator is reduced; and when the solar radiation intensity continues to be increased, the flow of condensed water entering the fluid heating piece from the condenser is increased, and steam extraction to the low-pressure cylinder in the turboset is reduced. The photovoltaic subsystem and the power generation ...

Single-fiber bidirectional fusion positioning type railway optical cable monitoring system and method

The invention relates to a single-fiber bidirectional fusion positioning type railway optical cable monitoring system and method, and the system is characterized in that a light transmitting port of a first distributed feedback laser light source is connected with an input port of a scrambler, an output port of the scrambler is connected with a first port of a circulator, and a second port of the circulator is connected with a measured optical fiber; the other end of the measured optical fiber is connected with a public port of the first wavelength division multiplexer, and an output port of the first wavelength division multiplexer is connected with the second distributed feedback laser light source and the optical fiber reflector; a third port of the circulator is connected with a common port of the optical switch, an output end of the optical switch is respectively connected with the single-polarization optical fiber and the third photoelectric detector, the other end of the single-polarization ...

Infusion bottle infusion tube heating device and outpatient infusion system

The invention discloses an infusion bottle infusion tube heating device and an infusion system, the infusion bottle infusion tube heating device comprises an infusion bottle sleeve used for placing an infusion bottle, a heater is arranged in the infusion bottle sleeve, the heater comprises a main control unit, and a display module, a key module and a heating module which are electrically connected with the main control unit; the heating module is distributed in the infusion bottle sleeve; the main control unit is electrically connected with a temperature sensor mounted at the tail end of an infusion tube; the main control unit is also electrically connected with at least one infusion tube heater mounted on an infusion tube; and the main control unit is electrically connected with a wireless data transmission module. The problem that the temperature of the infusion tail end cannot be guaranteed along with the slender infusion tube line is solved, and the problems that the temperature of ...

Equipment of RFID special type electronic tags and applied said label suitable for polymorphic type assets

... 本实用新型涉及一种适用于多类型资产的RFID特种电子标签，包括标签芯片、标签天线、链接导电件，其特征在于：标签芯片与标签天线之间采用超声波贴片方式通过链接导电件实现链接，链接后的标签芯片与标签天线的外框PET塑料薄膜进行封装。本实用新型的另一个技术方案是提供了一种上述的适用于多类型资产的RFID特种电子标签的应用。本实用新型提供的RFID特种电子标签读写距离具有一致性，距离在5米左右，具有耐油污、抗金属、长寿命、可印刷LOGO、适用多种安装方式等特点。 ...

Urban complex geological earth surface-drill hole combined detection device, system and method

The invention belongs to the technical field of engineering investigation, and provides an urban complex geological earth surface-drill hole combined detection device, system and method. The method comprises the steps of obtaining karst cave space position information; according to the karst cave space position information, target drilling point positions are determined, and drilling imaging exploration is carried out; if the exploration result is a dry karst cave, collecting the dust concentration in the karst cave, adjusting the light supplementing intensity according to a pre-established dust concentration-light supplementing intensity correlation mechanism, obtaining the image in the karst cave and the coordinate information of the karst cave boundary point, and constructing a karst cave boundary model; if the exploration result is a water-filled karst cave, collecting the concentration of a suspension medium in the karst cave, adjusting the laser wavelength according to a pre-established ...

Extrusion heat sealing device

The invention discloses an extrusion heat sealing device which comprises a blood bag frame used for containing a plurality of blood bags used for preparing component blood; the two sets of extrusion mechanisms are arranged on the two opposite sides of the blood bag frame and used for providing a Y-direction extrusion function for the blood bags in the blood bag frame; the heat sealing mechanism comprises a movable heat sealing end, a Z driving mechanism used for driving the movable heat sealing end to do reciprocating motion in the Z direction and a fixed heat sealing end arranged on the side portion of the blood bag frame, and the movable heat sealing end and the fixed heat sealing end are matched to provide extrusion plugging and heat sealing closing functions for a hose on the blood bag. The device provided by the invention simultaneously comprises the extruding part and the heat sealing part, and directly extrudes and seals the blood bag bin, so that the labor cost and the probability ...

Construction site safety protection net installation monitoring method based on convolutional neural network

The invention discloses a construction site safety protection net installation monitoring method based on a convolutional neural network. The construction site safety protection net installation monitoring method comprises the following steps that S1, a data collection module inspects the whole construction site and collects the installation condition of a safety protection net in a fixed area; s2, an on-site safety protection net installation monitoring module receives the installation condition, collected and returned by the data module, of the construction site safety protection net, the plot where the protection net is not installed in place is recognized through image analysis, and the safety alarm level is evaluated; s3, the monitoring result display module displays the result of the site safety protection net installation monitoring module according to the safety alarm grade, real-time and dead-corner-free monitoring of construction site safety protection net installation can be ...

Portable soil greenhouse gas in-situ collection device

The invention discloses a portable soil greenhouse gas in-situ collection device, relates to the technical field of gas in-situ collection, and aims to solve the problems that an existing portable soil greenhouse gas in-situ collection device is not uniform enough in collected gas, inconvenient to monitor the temperature of the gas, inconvenient to record and transmit related data, relatively low in working efficiency and relatively high in collection efficiency. In order to solve the problems that in the prior art, the using effect is not ideal enough, the device comprises a U-shaped base, a cylinder fixedly communicates with the U-shaped base, a power supply module and a control box are fixedly installed on the cylinder, a silica gel gas collecting pipe fixedly communicates with the cylinder, and a gas fan and a thermistor are fixedly installed in the cylinder. The device is reasonable in design, relatively uniform in collected gas, relatively high in working efficiency, good in using ...

Unit with front steam turbine and starting method

The invention relates to the technical field of coal-fired power plant units, and provides a unit with a front steam turbine and a starting method. A steam inlet of the front steam turbine is communicated with a main steam outlet of the boiler in the unit, and a front steam turbine steam inlet valve is arranged on a pipeline between the steam inlet of the front steam turbine and the main steam outlet of the boiler in the unit; a steam outlet of the front steam turbine is communicated with a steam inlet of the deaerator in the unit, and a front steam turbine exhaust steam is arranged on a pipeline between the steam outlet of the front steam turbine and the steam inlet of the deaerator. According to the unit with the front steam turbine, main steam generated in the preheating stage of the boiler is used for preheating the front steam turbine, energy of the steam can be recycled, starting energy consumption is reduced, and energy waste caused by the fact that when the high-pressure cylinder ...

Intelligent collaborative self-evolution defense method and system for industrial control network

The invention relates to an intelligent collaborative self-evolution defense method and system for an industrial control network, and relates to the field of network security, and the method comprises the steps: S1, constructing an industrial control network intrusion detection model based on a dynamic model; s2, judging whether the terminal equipment is subjected to malicious attacks or not; s3, if yes, defending by using an existing defending strategy library and judging whether defending succeeds or not; s4, if not, initializing an existing defense strategy library; s5, calculating the mutation probability of each security defense strategy in the initialized defense strategy library; s6, performing mutation, intersection and environment selection on security defense according to the mutation probability to obtain an optimal defense strategy of the industrial control network at the moment; s7, updating the existing defense strategy library according to the optimal defense strategy; and ...

Facility site selection method in uncertain environment based on double-layer optimization

The invention discloses a facility site selection method in an uncertain environment based on double-layer optimization, which is applied to a site selection scene formed by a customer demand point set I and a candidate facility set J. The facility site selection method comprises the following steps: 1, initializing an upper-layer site selection population; 2, carrying out lower-layer optimization on all site selection individuals, finding out a matching optimal radius, and carrying out evaluation; 3, performing crossover and mutation operation on the upper-layer population to generate temporary offspring; 4, according to the facility number and the dispersion degree corresponding to each individual in the offspring, selecting good offspring to perform lower-layer optimization; 5, comparing the parent population with the filial generation subjected to lower-layer optimization according to an environment selection strategy to obtain a next-generation population; 6, if the termination condition ...

Efficient and flexible flue gas waste heat utilization system and operation method thereof

The invention provides an efficient and flexible flue gas waste heat utilization system and an operation method thereof, and belongs to the technical field of flue gas waste heat recovery. The flue gas waste heat utilization system comprises a heat storage tank, a flue gas input pipeline, refrigeration equipment, a heat output pipeline and a flue gas heat supply pipeline; the smoke input pipeline is connected with an inlet of the heat storage tank, an input control valve is arranged on the smoke input pipeline, the refrigeration equipment is provided with a heat source inlet, one end of the heat output pipeline is connected with an outlet of the heat storage tank, the other end of the heat output pipeline is connected with the heat source inlet of the refrigeration equipment, and an output control valve is arranged on the heat output pipeline. One end of the flue gas heat supply pipeline is connected to the flue gas input pipeline, and the other end is connected with a heat source inlet ...

Meteorological and hydrological information acquisition and application system for unmanned ship

The invention discloses an unmanned ship meteorological and hydrological information acquisition and application system, and the system comprises a meteorological navigation workstation which broadcasts meteorological information in a sea area where an unmanned ship sails; the slipway workstation is used for collecting meteorological and hydrological information; the shore-based workstation is used for optimizing an air route by utilizing the two groups of meteorological and hydrological information and sending an air route instruction of the optimized air route to the slipway workstation through the communication system; and the communication system is used for sending the meteorological and hydrological information acquired by the slipway workstation to the shore-based workstation, and receiving the optimized route data sent by the shore-based workstation at the same time. According to the invention, by combining the meteorological and hydrological information collected by the slipway ...

Vibrating type multi-stage coal screening machine

The invention provides a vibrating type multi-stage coal screening machine, and relates to the technical field of coal screening. The multi-stage coal screening machine comprises a screening box, the rear end, close to the upper surface, of the screening box is fixedly connected with a feeding box, the inner wall, close to the rear end of the upper portion, of the screening box is fixedly connected with a material guiding box, and the front end of the interior of the material guiding box is rotationally connected with a first rotating rod; one side of the first rotating rod penetrates through the guide box and the screening box to the exterior of the screening box and is fixedly connected with a first transmission gear and a main gear, the upper end of the outer wall of one side of the screening box is fixedly connected with a first servo motor, and the output end of the first servo motor is fixedly connected with the side, away from the screening box, of the first rotating rod; three second ...

Method and device for acquiring state information in foreground and background switching of APP

The invention provides a method and device for acquiring state information in foreground and background switching of an APP, the method is applied to the APP, and the method comprises the following steps: when the APP is switched from a background state to a foreground state, sending an HTTP request to a first server; hTTP request response information from the first server is received, and the HTTP request response information carries first socket information to be processed; the first socket information to be processed is processed; and returning the processing result to the first server. Therefore, the loss of the Socket message under the scene of switching the foreground and the background of the APP can be avoided, the correctness and the integrity of the Socket message can be ensured, the phenomena of blockage and the like in a display interface of the APP caused by the loss of the Socket message can be avoided, and the use experience of a user can be improved.

Non-contact pressure monitoring device

The invention discloses a non-contact pressure monitoring device, which belongs to the field of medical instruments and comprises an infusion assembly, the infusion assembly is provided with a flow channel for liquid flowing or liquid storage, the inner wall of at least part of the flow channel is made of an elastic material, and the elastic material deforms along with the change of pressure in the flow channel. The non-contact pressure monitoring device further comprises a force sensor and a pressure measuring piece, the pressure measuring piece is fixed to the force sensor, the pressure measuring piece abuts against the inner wall made of the elastic material, and when the pressure in the flow channel changes, at least part of the inner wall deforms and is transmitted to the force sensor through the pressure measuring piece, so that the pressure in the flow channel is measured through the force sensor. When the pressure in the flow channel is detected, the force sensor and the pressure ...

Power terminal data trusted access authentication method and device

The invention discloses a power terminal data trusted access authentication method and device, and relates to the technical field of terminal protection, and the method comprises the following steps: setting a user password s at a terminal, and collecting fingerprint data f and iris data information of a terminal operator; the server encrypts and stores the fingerprint data f by using the key p, then the terminal initiates an access request, and the server generates a public key e, a private key d and a random number CH; performing primary identity authentication by using the public key e and the iris recognition device; and performing subsequent identity authentication by using an SM9 identifier encryption algorithm to obtain an identity identifier, and allocating a terminal resource access permission according to the identity identifier after the terminal is accessed. The invention relates to a power terminal data trusted access authentication method and device, solves the problem that ...

Front steam turbine waste heat utilization starting system and operation method

The invention relates to the technical field of coal-fired power plants, and provides a front steam turbine waste heat utilization starting system and an operation method. An inlet of the front steam turbine is communicated with a main steam outlet of the boiler in the unit; a preposed steam turbine primary exhaust valve is arranged on a pipeline between an outlet of the preposed steam turbine and an inlet of a condenser in the unit; a feed pump turbine; a front turbine secondary exhaust valve is arranged on a pipeline between the inlet of the feed pump turbine and the outlet of the front turbine; and a feed pump turbine exhaust valve is arranged on a pipeline between the outlet of the feed pump turbine and the inlet of the condenser in the unit. According to the waste heat utilization starting system for the front steam turbine, dead steam of the front steam turbine is used for preheating the water feeding pump steam turbine, dead steam loss of the front steam turbine can be reduced, and ...

Combined heat and power generation frequency modulation system and working method thereof

The invention provides a combined heat and power generation frequency modulation system and a working method thereof.The combined heat and power generation frequency modulation system comprises a thermoelectric system, a steam injection system and a heat pump system, the thermoelectric system comprises a steam turbine, the steam turbine is connected with a heat supply steam extraction valve, a heat storage steam extraction valve and a low-pressure steam extraction valve, and the heat supply steam extraction valve is connected to a heat user; the steam injection system comprises a heat storage tank and a steam injector, the heat storage steam extraction valve is connected with the heat storage tank, the heat storage tank is connected with a high-pressure steam opening of the steam injector through a steam supply valve, an outlet of the steam injector is connected to a heat user, and the low-pressure steam extraction valve is connected to the heat pump system. And a low-pressure steam port ...

Heat supply energy-saving system and method

The invention discloses a heat supply energy-saving system and method, and belongs to the technical field of heat supply energy saving. Comprising the following steps: acquiring and storing real-time operation data of the heat supply system, and constructing a digital twinborn model of the heat supply system; according to the real-time operation data and the historical data, the operation state of the heat supply system is analyzed, and an energy-saving operation strategy of the heat supply system is obtained; and according to the energy-saving operation strategy, an operation instruction is sent to an intelligent control device so as to carry out parameter setting and start-stop control on equipment in the heat supply system. On the basis of big data and the Internet of Things, in combination with terminal requirements and energy supply, energy-saving regulation and control are conducted on the heat supply system, on the premise that heat supply is guaranteed, on-demand distribution of ...

Cooling fan and projector

The cooling fan comprises a fan assembly and a first air guide plate, the fan assembly comprises a driving source, blades and a fan outer cover, the blades are connected with the output end of the driving source, the driving source is used for driving the blades to rotate in the first direction, and a power line of the driving source extends out of the fan outer cover. The blades are located on one sides of the blades in the first direction; the first air guide plate is arranged on the air outlet side of the fan assembly and located on the downstream of the power line in the rotating direction of the blades so as to guide airflow flowing through the power line to flow in the first direction. According to the cooling fan, the flow direction of the air flow flowing through the power line is guided through the first air guide plate, so that the air flow flowing through the power line flows in the first direction, the energy of eddy currents located on the downstream portion of the power line ...

Base and projector

The invention relates to the technical field of projection equipment, in particular to a base and a projector. According to the base and the projector, the base at least comprises the base body, the mounting piece and the two rotating assemblies, the two rotating assemblies are oppositely arranged on the two sides of the mounting piece in the first direction, the rotating assemblies are divided into two parts, the rotating assemblies can be conveniently assembled from the two sides of the mounting piece, and then the rotating assemblies are mounted on the base body. Therefore, the overall structure of the base is simple, the structural complexity of the base is improved, and the assemblability is improved.

Cooling fan monitoring method, device and equipment and storage medium

The invention belongs to the technical field of cooling fans, and discloses a cooling fan monitoring method, device and equipment and a storage medium. The method comprises the following steps: acquiring the current driving voltage of a cooling fan in the projector and the current environment temperature when the projector runs; searching a corresponding standard fan driving voltage in a preset standard information table according to the current environment temperature; if the current driving voltage is larger than the standard fan driving voltage, it is judged that the heat dissipation efficiency of the heat dissipation fan is reduced. When the heat dissipation efficiency of the heat dissipation fan is reduced due to dust deposition and the like, the driving voltage of the heat dissipation fan needs to be increased to improve the rotating speed of the heat dissipation fan in order to maintain the normal work of the projector, and the current driving voltage is compared with the pre-calibrated ...

Rust removal device and rust removal method for recovery treatment of motor vehicle parts

The invention discloses a rust removal device for motor vehicle part recovery treatment, which comprises a bottom plate, a three-axis moving assembly fixedly connected with the bottom plate is arranged above the bottom plate, and a rust removal assembly is fixedly arranged on the output end of the three-axis moving assembly; the rust removal assembly comprises a connecting plate, a fixedly-connected connecting column is arranged below the connecting plate, a fixedly-connected gear box is arranged below the connecting column, a rotationally-connected rotating block is arranged below the gear box, a rotationally-connected second rotating shaft is arranged on the rotating block, and a fixedly-connected steel wire wheel is arranged at the output end of the second rotating shaft. A fourth motor is fixedly connected to one side of the rotating block, and the output end of the fourth motor is fixedly connected with the second rotating shaft. The steel wire wheel is accurately moved to the rust ...

Surface flow adsorption purification type constructed wetland structure

The invention discloses a surface flow adsorption purification type constructed wetland structure, relates to the technical field of sewage purification, and aims to solve the problems that an existing surface flow adsorption purification type constructed wetland structure is insufficient in sewage purification, cannot guarantee cyclic utilization of water supply, and is relatively high in construction cost, low in purification efficiency and not ideal in use effect. According to the scheme, the device comprises a reservoir, a water retaining wall is fixedly arranged in the reservoir, water leakage holes are formed in the water retaining wall, a ceramic block layer is arranged on the inner wall of the bottom of the reservoir, an activated carbon layer is arranged on the top of the ceramic block layer, a stone layer is arranged on the top of the activated carbon layer, and a soil layer is arranged on the top of the stone layer. And a sewage inlet pipe and a drainage pipe are arranged on ...

Power generation system integrating heat storage and pressure storage

The invention relates to the technical field of power generation, in particular to a heat storage and pressure storage integrated power generation system which comprises a boiler, a medium-pressure steam turbine, a low-pressure steam turbine, a low-pressure heater, a deaerator and the like. The low-pressure heater is connected with the low-pressure steam turbine; the heat storage and release unit is connected to a pipeline between the medium-pressure steam turbine and the high-pressure steam turbine, has a heat storage state of shunting the reheated steam and storing heat energy, and conveys drained water cooled by the reheated steam into the pressure container; the heat release state releases heat energy to the second heat exchanger, heats the pressure container and conveys the heat energy to the second heat exchanger to drain water; the second heat exchanger conveys the heated water into the deaerator; external energy storage is introduced, and the heat storage technology and the pressure ...

Method for obtaining thickness of aluminum layer of aluminum-plastic film in structure layering mode

The invention relates to the technical field of aluminum-plastic film testing, in particular to a method for obtaining the thickness of an aluminum layer of an aluminum-plastic film in a structural layering mode, and the method comprises the following steps: S1, cutting a sample, and carrying out pretreatment on the sample to reduce the interlayer peeling strength of the aluminum-plastic film; s2, carrying out structure layering operation on the pretreated aluminum plastic film, and stripping a layered structure to obtain an aluminum layer; s3, the adhesive on the aluminum layer is removed; s4, the thickness of the aluminum layer is measured through an accurate measuring tool. The thickness measuring method is not affected by the section, is easy to operate and is suitable for sampling detection of large aluminum-plastic film roll incoming materials.

Laser beam machining head, laser beam machining device

... 本实用新型提供的激光加工头及激光加工装置，包括连接板、第旋转轴、第二旋转轴、连接件、线性模组、反射镜组件、扫描振镜，第旋转轴定子固定在连接板上，连接件固定在第旋转轴转子上，第二旋转轴的定子固定在连接件上，线性模组固定在第二旋转轴转子上，扫描振镜固定于线性模组的滑块上，滑块沿导轨直线运动，激光光束通过连接板后沿第旋转轴的轴心入射进入第反射镜，经第反射镜反射后沿第二旋转轴的轴心进入第二反射镜，经第二反射镜反射后入射进入扫描振镜，再通过聚焦镜聚焦，实现对待加工件的曲面加工，由于第旋转轴、第二旋转轴可以±100°回转，再配合机床的移动可到达被加工零件的任意位置，提高了加工效率及加工质量。 ...

Automatic machining device for electric appliance shell

The invention discloses an automatic machining device for an electric appliance shell. The automatic machining device comprises a fixed bottom frame, a connecting shaft, a rotating connecting rod, a connecting frame, a control motor, an arc-shaped rack and the like. A connecting frame is fixedly connected to the fixed bottom frame through a connecting shaft, a rotating connecting rod is rotationally connected to the connecting shaft, a control motor is installed in the connecting frame, an arc-shaped rack is fixedly connected to the fixed bottom frame, and the shell conveying mechanism is installed in the fixed bottom frame and used for conveying shells. According to the equipment, the shell of the electric kettle can be automatically clamped, then the shell is punched in the corresponding position in cooperation with the punching mechanism, the position of the electric kettle does not need to be manually adjusted, and the machining efficiency is improved.

Pointer instrument automatic reading method based on deep learning and character recognition

The invention discloses a production process equipment scheduling optimization method for the process industry. The pointer type instrument automatic reading method based on deep learning and character recognition is designed by combining related technologies such as deep learning, machine vision and character recognition, and is suitable for a circular pointer type instrument with a single pointer and uniform scales; dial identification and positioning, pointer and scale line segmentation and measuring range scale information reading of the pointer type instrument under natural conditions are realized, and then instrument display information is acquired. Compared with a traditional image processing, recognizing and positioning algorithm, the method is high in anti-interference capacity and wide in adaptability, effectively avoids reading and recording errors caused by manual operation, is suitable for instruments of various different measuring range specifications, does not need to train ...

Peak shaving system and method for coal-fired power plant

The invention discloses a coal-fired power plant peak shaving system and method.The coal-fired power plant peak shaving system comprises a power generation system suitable for converting chemical energy into electric energy, a heat storage system comprises a first heat exchanger and a first heat storage part, and high-temperature and high-pressure steam generated by the power generation system is suitable for passing through the first heat exchanger and exchanging heat with the first heat exchanger; a first medium in the first heat exchanger exchanges heat with the first heat exchanger and then is input into the first heat storage piece; the auxiliary system comprises a second heat exchanger, a small steam turbine and a first generator set, a first medium in the first heat storage part passes through the second heat exchanger, exchanges heat with the second heat exchanger and then is input into the small steam turbine, the small steam turbine is connected with the first generator set through ...

Power generation system coupled with coal-fired unit and SOEC and operation method of power generation system

The invention discloses a coal-fired unit and SOEC coupled power generation system and an operation method thereof, and the power generation system comprises a coal-fired power generation system which is suitable for converting chemical energy into electric energy; the SOEC peak and frequency regulation system is coupled with the coal-fired power generation system; and the SOEC peak and frequency modulation system is suitable for injecting the coal-fired power generation system to extract steam, controlling the injected and extracted steam to electrolyze to produce hydrogen and oxygen so as to carry out peak and frequency modulation on the coal-fired power generation system, and inputting oxygen into the coal-fired power generation system so as to improve the combustion stability of the coal-fired power generation system. The mode that the injection coal-fired power generation system extracts steam and electrolyzes the injected extracted steam is adopted, the current density of the SOEC ...

Radio frequency heat seal self-adaptive adjusting method and system based on digital frequency generator and medium

The invention relates to a radio frequency heat sealing self-adaptive adjusting method and system based on a digital frequency generator and a medium. The method comprises the steps that a voltage signal and a current signal, collected in real time, of a heat sealing head are obtained; calculating power, frequency and impedance through the voltage signal and the current signal; adaptive heat sealing frequency and power are obtained through the calculated impedance; comparing the calculated frequency and power with the obtained heat sealing frequency and power; and the frequency and power of the output signal are adjusted through the comparison result. According to the invention, a digital signal generation technology is adopted, and three frequency signals of 13.56 MHz, 27.12 MHz and 40.68 MHz are automatically switched according to the characteristics of materials through a heat sealing radio frequency signal adaptive control method, so that the heat sealing effect is improved; output ...

Intelligent wind power coal dressing system and coal dressing method thereof

The invention provides an intelligent wind power coal dressing system and a coal dressing method thereof, and relates to the technical field of wind power coal dressing. The intelligent wind power coal separation system comprises a feeding system, a wind separation system and a detection system, the feeding system comprises a belt weigher, a frequency conversion feeder and a control center, the wind separation system comprises a power motor, a multi-stage wind power coal separation mechanism and a PLC, and the wind separation system is mainly the multi-stage wind power coal separation mechanism. Adjustable parts in the detection system are all connected with a power motor and are controlled by a PLC (Programmable Logic Controller), and the detection system consists of a high-definition camera, an ash content tester and a belt weigher. According to the pneumatic coal dressing mechanism, one layer of air distribution plate is additionally arranged in the pneumatic coal dressing mechanism, ...

Integrated blood bag bin

The invention discloses an integrated blood bag bin and belongs to the field of medical instruments.The integrated blood bag bin is characterized in that a partition plate is fixedly installed in a main body and divides the interior of the main body into a first containing space and a second containing space, and a heat seal supporting part is located on the side of the main body and located between the main body and a pipeline intersection joint containing part; the heat sealing supporting part is provided with a plurality of pipeline fixing grooves and a plurality of heat sealing grooves, the multiple pipeline fixing grooves are formed in the surface of the heat sealing supporting part, each pipeline fixing groove is communicated with the first containing space or the second containing space, each heat sealing groove is formed in the corresponding pipeline fixing groove, and the integrated blood bag bin is further provided with a heat sealing reserved space; the heat sealing reserved ...

Pressurized water reactor secondary circuit steam supply system

A pressurized water reactor secondary loop steam supply system disclosed by the present invention comprises a containment vessel, a steam generator, a primary loop, a secondary loop, a blow-off pipeline, a steam supply pipeline, a first monitoring module, a second monitoring module and an isolation module, the steam generator is arranged in the containment vessel, the primary loop is arranged in the containment vessel and connected with the steam generator, the secondary loop is arranged outside the containment vessel, and the blow-off pipeline is connected with the steam supply pipeline. The steam generator is arranged in the containment, the secondary loop penetrates through the containment and is connected with the steam generator, the blow-off pipeline is arranged outside the containment, the blow-off pipeline penetrates through the containment and is connected with the steam generator, the steam supply pipeline is connected with the secondary loop, the first monitoring module is arranged ...

Levelling rod lighting device

... 本实用新型是水准尺照明装置，LED软灯带与V型铝合金灯槽构成照明灯组合体，该组合体的上端设有嵌入并粘接固定于V型铝合金灯槽的、连接LED软灯带电源输入端的电源输入插座，组合体贴合于水准尺刻度槽的一侧，其两端部与所对应的水准尺部位设有弹性尼龙捆扎塔扣带，所述电池是输出电压为12V的可充电锂离子电池组，电池组设有电池包，电池包的上端设有套接于水准尺顶部的布罩，锂离子电池组设有DC电源输出/充电插座，该插座与照明灯组合体的电源输入插座之间设有两端带插头的电源线。本照明装置具有加工简单、使用方便、加工成本低的突出优点。 ...

NUMERICAL CONTROL MACHINE TOOL FOR GRINDING TWO SIDES OF A PLANE BY SHIFTING SELF-ROTATION AND ULTRASONIC VIBRATION

A numerical control machine tool for grinding two sides of a plane by shifting self-rotation and ultrasonic vibration, wherein an upright post (3) is provided on the tool body (1) of the machine tool, a Y axis movement assembly (12) is provided on the platform of the tool body (1), with a lower revolving movement assembly (11), which revolves about a Z coordinate axis, being mounted on the upper surface of the Y axis movement assembly (12),and a lower grinding plate (10) being mounted coaxially with the lower revolving movement assembly (11); an ultrasonic vibration assembly (2) is mounted fixedly on the upright post (3), with a separation plate (8) of a workpiece clamping assembly (9) being provided on the ultrasonic vibration assembly (2); an X axis movement assembly (4) is mounted on the upper part of the upright post (3), a Z axis movement assembly (5) is mounted on the upright face of the X axis movement assembly (4), with an upper revolving movement assembly (6), which revolves about ...

Compressed air energy storage and heat storage integrated power generation system

The invention relates to the technical field of power generation, in particular to a compressed air energy storage and heat storage integrated power generation system which comprises a compressor unit, a heat exchanger unit and a pressure bearing structure which are sequentially connected. A water inlet of the heat exchanger group is connected between the condenser and the feed water heater; a water outlet of the heat exchanger group is connected between the feed water heater and the boiler; the cold storage tank, the electric heater group and the heat storage tank are connected in sequence; the compressor unit and the electric heater unit are electrically connected with the generator; a third heat exchanger air inlet is connected with the pressure-bearing structure, and a third heat exchanger heat storage medium inlet is connected with the heat storage tank; a heat storage medium outlet of the third heat exchanger is connected with the cold storage tank; the expansion unit is connected ...

Data visualization method and device and electronic equipment

The invention provides a data visualization method and device and electronic equipment, and the method comprises the steps: sending a first rendering instruction to a push server, and forwarding the first rendering instruction to a rendering server based on the push server; receiving the rendered image sent by the push server, and displaying the rendered image; acquiring a click instruction, and acquiring corresponding two-dimensional image data from an image data server based on the click instruction; a second rendering instruction containing the click object is sent to the push server, and the second rendering instruction is sent to the rendering server based on the push server; receiving the image two-dimensional coordinates sent by the push server, and performing chart rendering based on the two-dimensional image data and the image two-dimensional coordinates; the image two-dimensional coordinates are obtained by conversion of the rendering server based on the second rendering instruction ...

Projector

The invention relates to the technical field of projection equipment, in particular to a projector. According to the projector, the projector at least comprises the shell, the ray machine assembly, the installation support, the base and the connecting piece, the installation support and the base are relatively fixed through the connecting piece, and then the ray machine assembly and the base are relatively fixed. The light machine assembly is a part with a certain weight in the projector and is connected with the base through the mounting bracket, so that the base bears the part with a certain weight in the whole projector, and the stability of the whole projector is improved.

Multi-element co-permeation method applied to surfaces of high-chromium mechanical parts

The invention provides a multi-element co-permeation method applied to the surface of a high-chromium mechanical part. The multi-element co-permeation method specifically comprises the steps of pretreatment, nitridation, co-permeation, oxidation and aftertreatment. According to the multi-element co-permeation method applied to the surface of the high-chromium mechanical part, a Cr2O3 surface film is formed on the surface, so that the Cr2O3 surface film has certain corrosion resistance, the wear resistance of a high-Cr material can be improved within a short time at the temperature lower than the temperature for damaging an oxidation film, but the corrosion resistance is not reduced, and the comprehensive performance of a high-Cr product is greatly improved. The corrosion resistance of the high-Cr material product processed by the multi-element co-permeation technology reaches a neutral salt spray test (NSS) for more than or equal to 200 hours, and the wear resistance is improved by more ...

Coupling heat storage reheat steam split-flow coal-fired power generation system and operation method

The invention relates to the technical field of coal-fired power generation systems, and provides a coupling heat storage reheat steam split-flow coal-fired power generation system and an operation method.The coupling heat storage reheat steam split-flow coal-fired power generation system comprises a coal-fired power generation system; the front steam turbine is connected with a boiler in the coal-fired power generation system; and the heat storage system is connected with the front-end turbine and the coal-fired power generation system, and the heat storage system can store heat energy of reheated steam in the boiler when the coal-fired power generation system operates at a high load and can release heat energy to heat outlet steam of the front-end turbine when the coal-fired power generation system operates at a low load. According to the coal-fired power generation system, the heat storage system is arranged, reheated steam of the boiler in the coal-fired power generation system is used ...

Power plant hot standby auxiliary heating system and operation optimization method

The invention relates to the technical field of coal-fired power plants, and provides a power plant heat standby auxiliary heating system and an operation optimization method.According to the power plant heat standby auxiliary heating system, a first-stage electric heater, a second-stage electric heater and a third-stage electric heater are used for providing heat needed by power plant heat standby, and adjacent machine auxiliary steam and heat storage energy are not needed; the power plant can work in a hot standby state at any time, and the system operation mode is more flexible; the distribution of heat in different devices can be optimized by switching the working states of a secondary electric heater inlet valve, a tertiary electric heater inlet valve, a medium-pressure cylinder inlet valve, a low-pressure cylinder inlet valve, a secondary electric heater bypass valve, a tertiary electric heater bypass valve, a medium-pressure cylinder bypass valve and a low-pressure cylinder bypass ...

Display device for highway toll station

A display device for an expressway toll station comprises a fixing assembly, a first supporting rod, a second supporting rod and a display body. The sliding block is slidably arranged on the fixed seat; the threaded rod is rotationally arranged on the fixed seat and connected with a rotating shaft of the first motor, and the threaded rod is in threaded connection with the sliding block; the first supporting rod is arranged on the sliding block, and the second supporting rod is slidably connected with the first supporting rod through the fixing column. The fixing plate is arranged on the second supporting rod, the guide column is arranged on the first shell in a sliding mode and penetrates through the fixing plate, and the limiting tables are arranged on the guide column and located at the two ends of the guide column respectively. The buffer springs are arranged on the guide columns in a sleeving mode and abut against the first shell and the fixing plate respectively; the second shell is ...

Button cell sealing device

The utility model relates to a button cell sealing device which comprises a sealing die, the sealing die comprises an upper die holder, a lower die holder, an upper sealing die and a lower sealing die, the upper die holder is movably arranged above the lower die holder, the upper sealing die and the lower sealing die are respectively arranged on the upper die holder and the lower die holder, and the upper sealing die and the lower sealing die are oppositely arranged. Wherein the upper sealing die and the lower sealing die are oppositely provided with die grooves matched with products in shape and size, and the peripheries of the die grooves are provided with guide inclined planes. According to the utility model, the size of a product can be ensured, and the sealing quality and yield of the product are improved.

Commercial vehicle body-in-white modal analysis and evaluation method, device and equipment and storage medium

The invention discloses a commercial vehicle body-in-white modal analysis and evaluation method, device and equipment and a storage medium, and the method comprises the steps: obtaining a modal shape structure of a commercial vehicle body-in-white, and dividing the modal shape structure into a finite element model composed of a finite number of discrete units; obtaining a dynamic motion equation corresponding to the finite element model, and calculating to obtain a characteristic root of the dynamic motion equation; the modal frequency and the modal shape of the vibration system are obtained according to the characteristic root, the commercial vehicle body-in-white is evaluated according to the modal frequency and the shape, manpower and material resources consumed by body-in-white modal analysis can be reduced, the design, development and development period and cost of the commercial vehicle body are reduced, and the commercial vehicle body is evaluated. The commercial vehicle body design ...

Infrared camera device's correction system

... 本实用新型提供一种红外摄像装置的校正系统。包括：温度可调的黑体；与所述黑体间相距一空间间隔的红外摄像装置；其中，所述空间间隔满足所述红外摄像装置摄取到的全部图像数据为所述黑体中温度源的部分；与所述黑体和红外摄像装置均连接的、用于基于所述黑体提供的响应时长对红外摄像装置进行死点校正的校正装置。本实用新型能够解决无法确定黑体温度变化是否稳定而导致的测试不准确等问题。 ...

High -efficient defogging device

... 本实用新型公开了一种高效除雾装置，包括壳体(100)，壳体(100)上设置有烟气入口(110)和烟气出口(120)，壳体(100)内部设置有第一除雾组件(200)和第二除雾组件(300)，第一除雾组件(200)和第二除雾组件(300)顺次连接并在壳体内部形成弯曲气流通道，弯曲气流通道与壳体(100)上的烟气入口(110)和烟气出口(120)相连通，以构成烟气除雾通路。本实用新型的高效除雾装置不仅可以实现高效除雾、提高单位空间的烟气流动路径、提高雾滴脱除效率，同时采用模块化结构，还可方便设计及安装。 ...

Fault propagation model construction method based on directed graph and transitive relation matrix

The invention relates to the technical field of fault diagnosis, and discloses a fault propagation model construction method based on a directed graph and a transfer relation matrix, which is used for describing a fault propagation logic relation among system composition units based on the directed graph, and carrying out modeling expression on a fault propagation path based on the transfer relation matrix. And establishing a fault propagation model of the system. The method solves the problems that in the prior art, a fault propagation model is complex in modeling and not visual, and dynamic simulation is difficult to carry out.

Method for improving measurement precision of gas pipe network

A method for improving the measurement precision of a gas pipe network comprises the steps that firstly, the measurement precision of an instrument is improved, the measurement precision of first-level measurement equipment in the gas pipe network is not lower than the first level, and the measurement precision of second-level measurement equipment in the gas pipe network is not lower than the 0.2 level; 2, temperature and pressure compensation is conducted on flow measurement, and when flow measurement is conducted, a measured flow value is converted into a flow value under the corresponding standard condition according to the actual temperature and pressure during measurement; the primary measuring equipment is directly used for measuring flow, the secondary measuring equipment is other auxiliary equipment matched with the primary measuring equipment for use, and the secondary measuring equipment comprises a differential pressure transmitter and a distributor. According to the invention ...

Generator set flexible peak regulation system and operation method thereof

The invention discloses a generator set flexible peak regulation system and an operation method thereof. The system comprises a generator set thermodynamic system; the heat storage system is coupled with the generator set thermodynamic system; the heat storage system is suitable for storing heat energy when the thermodynamic system of the generator set operates in a load-reducing mode and releasing the heat energy when the thermodynamic system of the generator set operates in a load-increasing mode. And the power generation system is coupled with the generator set thermodynamic system, and is suitable for directly generating power by using the heat energy released by the heat storage system when the generator set thermodynamic system is in load-increasing operation, so as to improve the variable load rate of the generator set thermodynamic system. Steam and smoke side waste heat is fully utilized in the heat storage process, power generation is directly carried out in the heat release process ...

Reinforcing structure of cab mounting point and automobile with reinforcing structure

The invention relates to a reinforcing structure of a cab mounting point and an automobile with the reinforcing structure. The reinforcing structure comprises a longitudinal beam assembly, a cross beam assembly and an upper support. The cross beam assembly is connected with the longitudinal beam assembly; one end of the upper support is used for being connected with an oil cylinder body, the upper support comprises a first connecting plate arranged in the height direction of a cab and a second connecting plate arranged in the width direction of the cab, and one end of the second connecting plate is connected with the first connecting plate; wherein the longitudinal beam assembly and the cross beam assembly are both connected with the first connecting plate, and the longitudinal beam assembly and/or the cross beam assembly are/is connected with the second connecting plate. According to the invention, the upper support is connected with the longitudinal beam assembly and the cross beam assembly ...

Brick making process based on gneiss tailings

According to the brick making technology based on the gneiss tailings, the gneiss tailings are used as raw materials to prepare sintered bricks, reduction of the gneiss tailings can be achieved, meanwhile, secondary utilization of waste is achieved to the maximum extent, and an effective way is provided for resource utilization of the gneiss tailings; and huge pressure faced by economic construction and ecological environment in China is effectively relieved. On the basis of adopting gneiss tailings as a raw material, a brick making process is optimized, and the prepared brick has the characteristics of heat resistance, heat insulation, flame retardance, firmness and durability.

Combined heat and power generation system based on ejector

The invention relates to the technical field of thermoelectricity, in particular to a combined heat and power generation system based on an ejector, which comprises a boiler, a steam turbine high-pressure cylinder, a steam turbine intermediate-pressure cylinder, a steam turbine low-pressure cylinder, a condenser, a condensate pump, a deaerator and a water feeding pump which are connected in sequence, a power fluid inlet of the steam-steam ejector is connected with a boiler dead steam outlet, and an ejection fluid inlet of the steam-steam ejector is connected with a steam exhaust port of a turbine low-pressure cylinder. An ejection fluid inlet of the liquid-steam ejector is connected with an outlet of the steam-steam ejector, and a power fluid inlet of the liquid-steam ejector is connected with a water feeding pump; the first heater is connected with an outlet of the steam-steam ejector; the second heater is connected with an outlet of the liquid-steam ejector, and a heat supply network ...

Integrated learning-based path planning method suitable for vehicle distribution task

The invention discloses an integrated learning-based path planning method suitable for a vehicle distribution task, which is applied to the vehicle distribution task consisting of a single warehouse, K trucks and N distribution task nodes, and comprises the following steps of: 1, establishing a vehicle distribution task model; 2, initializing a global variable; 3, obtaining a local search operator set suitable for the current task; 4, obtaining a diversified local search operator permutation and combination mode suitable for the current task; 5, generating a diversified temporary path planning scheme by using a diversified local search operator permutation and combination mode; 6, updating the current path planning scheme and the optimal path planning scheme; 7, if a termination condition is met, outputting an optimal path planning scheme; otherwise, returning to the step 3 to execute. According to the method, the local search operator suitable for the current task and the permutation and ...

Evaluation method and device of intelligent driving algorithm, electronic equipment and storage medium

The invention relates to the technical field of intelligent driving automobile data analysis, in particular to an evaluation method and device of an intelligent driving algorithm, electronic equipment and a storage medium, and the method comprises the following steps: obtaining input data of a target intelligent driving algorithm; processing the input data based on different versions of target intelligent driving algorithms to obtain output data of each version of algorithm, synchronizing a timestamp of the output data of each version of algorithm, identifying processing data when different versions of algorithms process one or more same events under the same timestamp, and comparing the processing data to obtain a comparison result; and evaluating each version algorithm according to the comparison result, and generating an evaluation result of each version algorithm. Therefore, the problems of low automation degree, low efficiency, low convenience and low speed and the like when the intelligent ...

Software test debugging method and device, upper computer and storage medium

The invention relates to the technical field of software development, in particular to a software testing and debugging method and device, an upper computer and a storage medium, the method is applied to the upper computer, the upper computer communicates with a domain controller through a communication link, and target software is tested and debugged through the upper computer and a target domain controller. The method comprises the following steps: detecting whether a communication link is in a preset abnormal state in a test debugging process of target software; if it is detected that the communication link is in the preset abnormal state, identifying an actual abnormal type of the preset abnormal state, and matching a preset restart signal according to the actual abnormal type; and re-establishing a communication link between the upper computer and the target domain controller of which the communication link is in the preset abnormal state by utilizing a preset link mode corresponding ...

Micro-truck double-row vehicle body rear vehicle door hinge mounting structure

The invention relates to a micro-truck double-row vehicle body rear door hinge mounting structure which comprises a vehicle body rear door and a vehicle door rear door, the vehicle body rear door comprises a vehicle door inner plate and a vehicle door outer plate which are oppositely combined, and the vehicle door inner plate comprises a side plate arranged with the vehicle door outer plate in a spaced mode and a front plate located on the front side of the side plate and bent towards the direction of the vehicle door outer plate; the inner reinforcing plate comprises a hinge reinforcing plate which is close to one side of the automobile door outer plate and is in welded connection with the side plate and the front plate, and a hinge mounting plate which is in welded connection with the hinge reinforcing plate and forms a cavity with the hinge reinforcing plate; the rear door hinge comprises a hinge arm, one end of the hinge arm extends into the cavity and is fixedly connected with the ...

Dry type coal preparation equipment and control system thereof

The invention provides dry type coal preparation equipment and a control system thereof, and relates to the technical field of coal preparation equipment. The dry type coal dressing equipment comprises a main machine, a first-section material distribution plate, a first-section separation bed surface, a first-section rear gangue opening, a first-section second-stage air distribution plate, a first-section rear gangue unloader, a first-section first-stage air distribution plate, a first-section front gangue opening, a vibration motor, a second-section material distribution plate, a first-section front gangue unloader, a second-section rear gangue opening and a second-section rear gangue unloader. According to the device, the conveying mechanism is used for conveying materials mixed with impurities, the scanning imaging monitoring mechanism is used for monitoring the conveying condition of the materials on the conveying mechanism and distinguishing the impurities mixed in the coal materials ...

Social network topology privacy protection method based on negative survey

The invention discloses a social network topology privacy protection method based on negative survey, which comprises the following steps of: 1, setting all nodes in an original social network G to be in an unaccessed state, initializing a negative social network G'to be a null set, and giving initial parameter values M and sigma; 2, generating a probability P based on a Gaussian distribution model according to M and sigma; 3, randomly selecting M unaccessed nodes from the G to construct a sub-network; 4, generating a negative sub-network based on a Gaussian negative survey model, and adding the obtained negative sub-network into G '; 5, setting M nodes in the sub-network to be in an accessed state; 6, if the termination condition is met, outputting the anonymous network, namely a negative social network G '; otherwise, returning to the step 3 to execute. According to the method, good balance can be achieved in the aspects of privacy and data availability, in other words, good data availability ...

Electric vehicle task distribution method based on double-population coevolution algorithm

The invention discloses an electric vehicle task distribution method based on a double-population coevolution algorithm, which is applied to a distribution network consisting of a warehouse point, n distribution task points and m charging facilities, and comprises the following steps of: 1, analyzing a coupling relationship between path optimization related to load constraint and charging decision optimization related to electric quantity constraint, establishing a vehicle task problem model of the electric vehicle; 2, optimizing a path scheme and a charging decision scheme by using two populations respectively based on a framework of a double-population coevolution algorithm; 3, iteratively optimizing the two populations and regularly carrying out interactive operation on the information of the two populations until a stop condition is met; and 4, outputting the optimal distribution scheme under the current task. According to the method, the coupling relationship in the vehicle task distribution ...

Cleaning equipment and method for submerged plants

The invention relates to the field of river channel cleaning, and discloses a cleaning device and method for submerged plants, which have the following characteristics: the submerged plants are coiled by using a self-rotating winding roller and spikes, so that the generation of broken and fallen leaves is reduced, and the submerged plants to be cleaned are integrated together, so that the submerged plants can be cleaned subsequently, and the cleaning efficiency is improved. The submerged plants are pulled out, so that the growth number and growth vigor of the submerged plants are conveniently controlled, the removal frequency is increased, the wound submerged plants are expanded through the tensioning strips, the spines are separated from the submerged plants, the submerged plants are prevented from entering the winding rollers through gaps between the winding rollers and the spines, blocking is avoided, and the service life of the submerged plants is prolonged. In addition, the resistance ...

Coal-fired power generation system integrated with SSS clutch and operation method

The invention relates to the technical field of coal-fired power generation systems, and provides a coal-fired power generation system integrated with an SSS clutch and an operation method.The coal-fired power generation system integrated with the SSS clutch comprises the coal-fired power generation system at least comprising a boiler, a high-pressure cylinder, a medium-low-pressure cylinder and a power generator which are connected; an inlet of the front steam turbine is communicated with a main steam outlet of the boiler, and an outlet of the front steam turbine is communicated with an inlet of the high-pressure cylinder; and a shaft of the front steam turbine is connected with a main shaft of the high-pressure cylinder and a main shaft of the medium-low-pressure cylinder through the SSS clutch. According to the coal-fired power generation system integrated with the SSS clutch, by integrating the SSS clutch, the front steam turbine can switch the connection or disconnection state with ...