Rail car bearing type molten iron tank hydraulic overturning platform

The invention belongs to the technical field of casting equipment, and discloses a rail car bearing type molten iron tank hydraulic overturning platform. The rail car bearing type molten iron tank hydraulic overturning platform comprises a rail car and a base. According to the rail car bearing type molten iron tank hydraulic overturning platform, through the design of the hydraulic supporting mechanism and the barrel supporting mechanism, the bearing frame can be stably supported through hydraulic pressure to incline so that molten iron can be poured, and meanwhile the molten iron tank in the bearing frame can be regulated and controlled through cooperation of the regulating and controlling mechanism and the barrel supporting mechanism so that the inclination angle of the molten iron tank can be increased; in the pouring process, the inclination angle of the bearing frame can be controlled within a small range to enhance stability, the rotating column drives the molten iron tank to incline ...

NICKEL HYDROXIDE PRODUCT AND PREPARATION METHOD THEREOF

Disclosed are a nickel hydroxide and preparation method thereof, the method comprising: (a) contacting first nickel hydroxide slurry and sodium hydroxide to obtain alkaline slurry; (b) contacting the alkaline slurry and a solution containing nickel sulfate to obtain immersion nickel slurry; (c) returning at least a part of the immersion nickel slurry to step (a) as the first nickel hydroxide slurry so as to repeat steps (a) and (b) at least once; and (d) separating nickel hydroxide from the remainder of the immersion nickel slurry.

高压连接器

充电座

DATA COLLECTION METHOD AND APPARATUS, AND STORAGE MEDIUM

A data collection method and apparatus, and a storage medium. The method comprises: establishing a correspondence between keywords for searching for data to be collected and corresponding webpage addresses comprising the keywords (S102); circularly obtaining the webpage addresses in the correspondence (S104); transmitting the obtained webpage addresses into a thread to crawl, and storing crawled network content into a memory (S106); and obtaining text content of the webpage content in the memory by means of a preset manner, and storing the obtained text content into a file in a specified path (S108). In this way, the problem in the related art of an excessively large data amount, large useless data and low data quality in the data collection of public opinions about water conservancy.

ENERGY EFFICIENCY CONTROL METHOD AND CONTROL APPARATUS, AND COMMUNICATION DEVICE

Disclosed is an energy efficiency control method. The method is applied to a communication device. The communication device comprises a primary power source, a secondary power source and a control apparatus. The method comprises: a control apparatus acquiring a current loading rate of a primary power source and a load power of a secondary power source, wherein the energy efficiency of the primary power source is related to the loading rate of the primary power source, and the energy efficiency of the secondary power source is related to the load power of the secondary power source; determining, according to the current loading rate of the primary power source and the load power of the secondary power source, a target output voltage of the primary power source and a target input voltage of the secondary power source, with said voltages satisfying the energy efficiency requirements of a communication device, wherein the energy efficiency of the communication device is related to the energy ...

METHOD FOR PREPARING POSITIVE ELECTRODE TERNARY PRECURSOR POWDER

A method for preparing positive electrode ternary precursor powder. The positive electrode ternary precursor powder contains three elements, i.e., nickel, cobalt and manganese. The method comprises: carrying out acid dissolution on nickel cobalt hydroxide so as to obtain a solution after acid solving; carrying out impurity removal treatment on the solution after acid solving so as to obtain a solution after impurity removal; adjusting the proportions of nickel, cobalt, and manganese in the solution after impurity removal so as to obtain a former solution; and using the former solution to prepare the positive electrode ternary precursor powder.

High-impact rPP material and preparation method thereof

The invention relates to the technical field of high polymer materials, in particular to a high-impact rPP material and a preparation method thereof. The high-impact rPP material is prepared from the following components in parts by weight: 50 to 70 parts of a polypropylene storage battery shell regenerated material, 10 to 30 parts of a polypropylene washing machine regenerated material, 0.1 to 1 part of an antioxidant, 0.1 to 1 part of a lubricating agent, 1 to 7 parts of a toughening agent, 5 to 15 parts of ethylene propylene diene monomer rubber powder master batch and 0.1 to 0.8 part of an odor small molecule absorbent. The material has the advantages of being good in toughness and low in VOC, heavy metal and halogen content.

Polypropylene modified material as well as preparation method and application thereof

The invention provides a polypropylene modified material as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The polypropylene modified material comprises the following components in percentage by weight: 82-92% of recycled polypropylene; 4-8% of a filler; 2-4% of a conductive polymer; 0.1-1% of a processing aid; 0.5-4% of a coupling agent; 0.1 to 0.5 percent of an antioxidant; and 0.5-1% of a lubricant. A small amount of polyaniline and poly (3, 4-ethylenedioxythiophene) are doped into the traditional conductive filler carbon black, and the carbon black and the main material recycled polypropylene are subjected to melt blending, so that the dispersity of the composite material is improved, a conductive network is formed in a polymer matrix, the conductivity of the recycled polypropylene is enhanced, and meanwhile, relatively high strength and hardness of the composite material are maintained.

Cleaning composition containing compound enzyme as well as preparation method and application of cleaning composition

The invention provides a cleaning composition containing compound enzyme as well as a preparation method and application of the cleaning composition, and relates to the technical field of cleaning agents. The cleaning composition comprises the following components: water, an anionic surfactant, an alkaline solution, an alcohol solvent, protease, lipase, amylase, a disinfectant and an aromatic, the alkaline solution, the water and the surfactant in a specific proportion are used, emulsification and decomposition of grease, oil and other dirt are facilitated, and the grease and other dirt are further decomposed and removed through the alcohol solvent; the alkaline solution, the surfactant, the alcohol solution and various enzymes are cooperated, so that the removal and cleaning effects of dirt such as oil, starch and protein on the surface of the plastic and permeating into the plastic are improved, and peculiar smell can be effectively removed; by means of the two-time hot washing method ...

CRITICAL DATA PROCESSING METHOD AND DEVICE, AND CRITICAL DATA DISPLAY METHOD AND SYSTEM

Provided are a critical data processing method and device, and a critical data display method and system. The critical data processing method comprises: performing critical data recognition on data in a complex event processing procedure, the data comprising original data and/or data after the complex event processing (201); when critical data is recognized, setting a priority of the critical data (202); and sending the critical data to a client according to the priority of the critical data, so that the client displays the critical data (203).

METHOD FOR SEPARATING COBALT FROM COBALT AND MANGANESE CARBONATE MIXTURE

Disclosed is a method for separating cobalt from a cobalt and manganese carbonate mixture. The method comprises the following steps: S1, dissolving a cobalt and manganese carbonate mixture using an inorganic acid, in order to obtain an acid-dissolved solution; S2, adding a base into the acid-dissolved solution, adjusting the pH value of the solution to 7.3-7.5, and sedimenting and filtering same, wherein the filter residue is Co(OH)2; and S3, adding a manganese powder into the filtered filtrate in S2, in order to displace the Co in the filtrate. The technical solution of the present invention is applied by first dissolving slag (also referred to as a cobalt and manganese carbonate mixture) with an inorganic acid, then adjusting the pH value with a base, with the Co(OH)2 in the precipitate being obtained by filtration, and subjecting the residual cobalt in the filtrate to a replacement reaction with a manganese powder, such that the total recovery rate of Co reaches 99%. The process has ...

Full-automatic multifunctional fumigation physiotherapy sofa

The full-automatic multifunctional fumigation physiotherapy sofa comprises a sofa body, a heating device, a fumigation device and a first driving device, the sofa body is provided with a control panel, a fumigation seat cushion, a fumigation back cushion, a first storage cavity, a second storage cavity and a fixing groove, and the fumigation device comprises a fumigation barrel, a second driving device and a baffle plate; the full-automatic multifunctional fumigation physiotherapy sofa can fumigate the feet, the back and the buttocks of a user at the same time and can also fumigate the three parts of the user respectively, the user can control the fumigation steam temperature through the control panel, the upper limit temperature of liquid medicine heating can also be set according to different performances of medicine, blood circulation in the body of the user can be accelerated, and the physical therapy effect of the user is improved. And toxins in the body of the user can be discharged ...

Water fire extinguishing system for energy storage power station and operation method of water fire extinguishing system

The invention provides an energy storage power station water fire extinguishing system and an operation method thereof, and belongs to the technical field related to energy storage battery fire fighting. The system is used for realizing PACK-level water fire fighting of an energy storage power station after battery thermal runaway, and comprises a fire fighting control host, a data relay module, a PACK-level combustible gas monitoring module for independently monitoring the thermal runaway characteristic quantity of each battery box, and a water fire fighting subsystem, the water fire extinguishing subsystem comprises a water storage tank used for storing water or a water-based fire extinguishing agent, and the water storage tank is arranged in the energy storage power station and used for achieving total flooding type water covering of the battery box so as to achieve rapid fire extinguishing. According to the invention, water is adopted as a fire extinguishing inhibitor to be directly ...

Movable strut structure for cargo hold

The invention relates to the technical field of ships, in particular to a movable strut structure for a cargo hold, which comprises a first mounting toggle plate, a second mounting toggle plate and a third mounting toggle plate, and one end of the first mounting toggle plate is connected with a cargo hold wall; the movable supporting columns are arranged on the cargo hold bottom plate in the vertical direction; the first connecting assembly is located between the first installation toggle plate and the movable supporting column, the first connecting assembly is fixedly connected with the movable supporting column, and the first connecting assembly is rotationally connected with the first installation toggle plate; the movable supporting column can rotate relative to the first mounting toggle plate through the first connecting assembly so as to be located at a working position or a storage position. The movable supporting columns can be operated without a crane and a cargo hold transverse ...

Polypropylene coating material and preparation method thereof

The invention provides a polypropylene coating material and a preparation method thereof, and relates to the technical field of high polymer materials. The polypropylene coating material comprises the following components in parts by weight: 45-94 parts of polypropylene powder, 0.05-0.16 part of a melt index regulator, 2.5-5 parts of a dispersing agent, 2.5-5 parts of a lubricating agent and 2.5-4 parts of filler. The preparation method comprises the following steps: blending and crushing the components, uniformly stirring and mixing at a high speed, and finally melting and extruding to obtain the polypropylene coating material. The polypropylene powder is reasonably matched with the melt index regulator, the dispersant, the lubricant and the filler, and the ratio of the components is optimized, so that the uniformity and the stability of the polypropylene coating material are improved, and the mechanical property and the heat resistance of the coating material are enhanced; the components ...

METHOD FOR TREATING IRON-REMOVED AND ALUMINUM-REMOVED LIQUID

A method for treating iron-removed and aluminum-removed liquid. The iron-removed and aluminum-removed liquid in the method comprises nickel chloride and cobalt chloride. The method comprises: (1) mixing iron-removed and aluminum-removed liquid and a first calcium hydroxide solution to obtain nickel and cobalt deposited pulp; (2) performing thickening treatment on the nickel and cobalt deposited pulp to obtain nickel and cobalt deposited overflow and nickel and cobalt deposited thick pulp, and performing filter pressing on one part of the nickel and cobalt deposited thick pulp to obtain a nickel cobalt hydroxide filter cake; and (3) mixing the other part of the nickel and cobalt deposited thick pulp and second calcium hydroxide to obtain mixed pulp, and returning to the step (1) to mix the mixed pulp, which substitutes the first calcium hydroxide solution, and the iron-removed and aluminum-removed liquid.

PHASE SHIFTER

An embodiment of the present invention relate to a phase shifter, comprising: a first phase shift unit composed of a first phase shift portion and a second phase shift portion; the first phase shift portion and the second phase shift portion comprises a transmission shaft, an input conductor, a conductor swing arm and a conductor band respectively, the input conductor is pivotably connected to the transmission shaft, one end of the conductor swing arm is disposed on the transmission shaft for rotating and electrically connecting to the input conductor driven by the transmission shaft, and the other end of the conductor swing arm is disposed in correspondence with the conductor band and is electrically connected to the conductor band, the transmission shaft of the first phase shift portion and the transmission shaft of the second phase shift portion are spaced apart and are mutually parallel with each other, and the input conductor of the first phase shift portion and the input conductor ...

Biconical mud door structure and manufacturing method

The invention discloses a biconical mud door structure and a manufacturing method.The biconical mud door structure comprises a mud door, a pull rod and a door frame, the upper portion and the lower portion of the mud door are in a conical shape and an inverted conical shape respectively, the lower end of the pull rod is connected with the top end of the mud door, and the door frame is provided with an inverted-conical door opening matched with the lower portion of the mud door; the mud door covers the door opening of the door frame from top to bottom to achieve closing, and an annular sealing rubber strip is arranged on the inverted-cone-shaped wall face of the lower portion of the mud door. The biconical mud door structure can effectively reduce the stress of the mechanism, ensure the sealing performance and prolong the service life of the structure, and is easy to maintain or construct; according to the manufacturing method of the biconical mud door, the mud door can be efficiently manufactured ...

Nickel-cobalt sulfide treatment method

The invention discloses a nickel cobalt sulfide treatment method. The method comprises the following steps: taking a laterite-nickel ore hydrometallurgy intermediate product nickel sulfide cobalt as a raw material, adding an oxidant, a catalyst and a neutralizer, controlling reaction conditions, carrying out selective oxidation leaching and preliminary impurity removal, and separating nickel from impurities to obtain a nickel-containing solution; carrying out deep extraction and impurity removal on the nickel-containing solution to obtain a nickel sulfate solution, and carrying out evaporative crystallization to obtain nickel sulfate crystals; and carrying out reverse extraction on the loaded organic phase, returning the organic phase to the extraction and impurity removal step, and returning the impurity sulfate solution to the selective oxidation leaching step. The whole technological process is very short and is greatly reduced compared with a traditional extraction impurity removal ...

芦荟提取物及其在制备治疗便秘药物中的用途

An aloe extract and its application in preparing the medicine for treating constipation are disclosed. Said aloe extract is prepared from the leaf or stem of aloe through squeezing and post-treating.

Preparation method of gas sensor

The invention discloses a preparation method of a gas sensitive sensor, and relates to the field of preparation of gas sensitive sensors, and the preparation method comprises the following specific preparation steps: step 1, mixing 10-70mg of a tristannic oxide square sheet material with 10-70ml of ethylene glycol, stirring the mixture by a stirrer, adding 5-50mg of azodiisobutyronitrile after uniform stirring, reacting for 10-12h, filtering, washing with water, and drying to obtain the gas sensitive sensor. The preparation method comprises the following steps: firstly, mixing the raw materials, then adding vanadium pentoxide and gallium oxide materials, continuously stirring, then adding zirconium dioxide and SnO2, simultaneously adding Pt into SnO2, dropwise adding 0.008-0.15 mmol of a chloroplatinic acid solution, and stirring to obtain a first mixture; vanadium pentoxide is added, so that the gas sensor is more sensitive to Freon, gallium oxide is added, the sensitivity to alkane can ...

Quick release plate for tripod

The utility model relates to the technical field of holders, and particularly discloses a quick-release plate for a tripod, which comprises a quick-release plate body, a hot shoe and a gasket are respectively arranged on two end faces of the quick-release plate body, a through hole is arranged in the middle of the end face of the quick-release plate body, a nut is arranged on the inner wall of one end of the through hole close to the gasket, and the nut is embedded into the inner wall of the through hole. The screw hole diameter of the nut is smaller than that of the through hole. When the end face, provided with the hot shoe, of the quick-release plate body faces upwards, the quick-release plate body is used as the hot shoe at the moment; when the end face, provided with the gasket, of the quick-release plate body faces upwards, the threaded part on the supporting rod protrudes out of the top end of the quick-release plate, the quick-release plate is in threaded connection with other equipment ...

Walking gait training device for hemiplegic patient after cerebral hemorrhage

The invention discloses a post-cerebral hemorrhage hemiplegic patient walking gait training device which comprises a training platform, a walking flat plate is further arranged on the training platform, an air bag assembly is arranged between the walking flat plate and the training platform, and the air bag assembly comprises a plurality of air bag components which are connected in a spliced mode. The volume of the air bag component in the air bag assembly is gradually changed in one direction, so that the walking flat plate covers the air bag assembly to form a slope structure with a fixed gradient. The walking gait training device for the hemiplegic patient after cerebral hemorrhage is provided with an angle-adjustable simulation slope surface structure for gait training of the patient, so that training scenes are more diversified.

Treatment method of laterite-nickel ore

The invention provides a treatment method of laterite-nickel ore. The treatment method comprises the following steps: S1, sequentially carrying out acid leaching, neutralization and iron and aluminum removal treatment on the laterite-nickel ore to obtain pretreated ore pulp; s2, IDA resin is adopted for conducting adsorption treatment on the pretreated ore pulp, and lean ore pulp and adsorbed resin are obtained; s3, washing the adsorbed resin with a nickel-containing solution to obtain washed resin and a washed solution; s4, performing desorption treatment on the washed resin by adopting a strong acid solution to obtain a nickel-cobalt solution and desorbed resin; s5, sequentially carrying out nickel-cobalt precipitation and manganese precipitation on the washed liquid, and concentrating to obtain magnesium-containing resin regeneration liquid; and step S6, carrying out transformation regeneration on the desorbed resin by adopting magnesium-containing resin regeneration liquid to obtain ...

一种基于IPOA通道的操作维护通道的建立方法

... 本发明公开了一种基于IPOA通道的缺省维护通道的建立方法，该方法通过基站的缺省配置建立的基站与基站控制器之间的IPOA通道，由基站侧向系统集中操作维护台发起BOOTP请求，进而通过集中操作维护台向所述基站发出的响应获取分配给它的IP地址，从而完成基站与基站控制器之间的操作维护通道的建立。本发明能解决基站自动开工建立维护通道，防止IP地址冲突的问题和并行开工问题，且建立维护通道的操作简单、工作量小、不易出错，从而可以自动加载程序以及数据，实现在远端，即集中操作维护台对基站进行配置维护，维护成本低、质量好，适用于星型、链型、树型等各种组网情况。 ...

Efficient charging station recommendation system and method based on online evaluation and storage medium

The invention discloses an efficient charging station recommendation system and method based on online evaluation and a storage medium. The system comprises a control center, and a charging control unit, an image acquisition module, an image target detection module, a charging analysis module and an electric quantity monitoring module which are arranged at a charging station; the charging control unit is used for sending the address of the charging station and the fastest available time or moment to the control center, and the control center is used for counting the fastest available time or moment of each charging station and sorting the fastest available time or moment so as to send the recommended charging station according to the customer demand. According to the method, the pre-charging time of the to-be-charged vehicle, the charging time of the outside waiting vehicle and the charging remaining time of the charging vehicle are counted, so that the fastest available time or moment ...

Sports tension trainer with high integration level

The invention discloses a high-integration-level sports tension trainer, which belongs to the technical field of sports equipment.The high-integration-level sports tension trainer comprises a sliding type training assembly, and leg massage openings, waist massage openings and arm massage openings are formed in the positions, corresponding to the legs, the waist and the arms of an athlete, of the top of the sliding type training assembly respectively; a leg massage assembly, a waist massage assembly and an arm massage assembly which play a role in relaxing muscles after movement are embedded in the leg massage opening, the waist massage opening and the arm massage opening respectively. According to the device, through the linkage effect between a linkage toothed plate and a driving gear and between the linkage toothed plate and a driven gear, a massage roller rotates to drive spherical magnetic beads to roll on the legs, the waist and the arms of an athlete, so that the waist, the legs and ...

小型超薄卧式水环双压缩机房间空气调节器

The small thin horizontal room air conditioner with double compressor has the main technological features of that two small compressors connected parallelly is used to replace one large compressor with the equivalent power; that the main parts of the air conditioner are arranged in the same plane without vertical superposing; and that super-thin small power closed air conditioning compressor with power not greater than 700 W is adopted. The air conditioner of the present invention has small thickness suitable for ceiling installation, reduced noise, raised control precision, raised natural heat utilization and small start current. The air conditioner may be used in constituting central air conditioning system with less investment, low running expense, high temperature regulating effect and other advantages.

Overload protection method and device for energy storage system

The invention provides an overload protection method and device for an energy storage system, and relates to the technical field of energy storage, and the method comprises the steps: monitoring a current value of an energy storage device; obtaining a first integral of the square of the current value corresponding to any time period to time and a second integral of the first parameter value corresponding to any time period to time; in response to determining that the difference between the first integral and the second integral corresponding to the any time period meets a preset threshold value, determining that the any time period is overload protection time; and starting overload protection at an end moment corresponding to the overload protection time. Therefore, the moment needing overload protection can be accurately found through the integral of the current to the time and the preset threshold value, and the overload condition of the inverter can be continuously represented in real ...

Self-luminous rHDPE composite material and preparation method thereof

The invention relates to the technical field of high polymer materials, in particular to a self-luminous rHDPE composite material and a preparation method thereof. The rHDPE composite material is prepared from the following raw material components in parts by weight: 60 to 80 parts of an rHDPE milk bottle material, 10 to 20 parts of an rPP lunch box material, 2 to 10 parts of a rare earth self-luminous agent, 0.1 to 1 part of an antioxidant and 0.1 to 1 part of a lubricating agent. The luminescent material has the advantages of excellent luminescent property and mechanical property.

Construction method of bulwark strake

The invention relates to the technical field of ship construction, in particular to a construction method of a bulwark strake. The construction method of the bulwark strake comprises the steps that S1, in the ship block construction stage, round steel is divided into a middle welding area and slow welding areas at the two ends in the axial direction of the round steel, the welding areas of the round steel are symmetrically welded to the position over the bulwark strake, and a non-penetration welding area is formed between the round steel and the upper end face of the bulwark strake; s2, when ship broadside sections are assembled or closed, each top strake butt joint is welded; s3, round steel is mounted above each butt joint of the bulwark strake, round steel butt joints are formed by the two ends of the round steel crossing the butt joints of the bulwark strake and the ends of the slow welding areas of the round steel on the corresponding sides, and each round steel butt joint is welded ...

Parallel current sharing control device of 48V direct current standby power supply for communication base station

The invention provides a parallel current sharing control device of 48V direct-current standby power supplies for a communication base station, which comprises a plurality of 48V direct-current standby power supplies arranged in parallel and a rectifier, each 48V direct-current standby power supply comprises a lithium battery pack, a BMS (Battery Management System) and a DC/DC bidirectional direct-current conversion power supply, the BMS is electrically connected with the lithium battery pack, and the DC/DC bidirectional direct-current conversion power supply is electrically connected with the rectifier. The DC/DC bidirectional direct-current conversion power supply is used for collecting external characteristic parameters such as voltage, temperature and current of the lithium battery pack in real time and estimating and monitoring the internal state of the lithium battery pack, the DC/DC bidirectional direct-current conversion power supply is electrically connected with the BMS, and a ...

具有良好稳定性的注射用依达拉奉粉针剂及其制备方法

A powder injection of Yidalafeng with high stability and its preparing process are disclosed. Said powder injection contains Yidalafeng 1-10%, water-soluble filler 90-99%, antioxidizing agent and pH regulator.

Auxiliary defecation device for old people

The invention relates to medical auxiliary instruments, and provides an auxiliary defecation device for old people in order to better assist the old people in defecation, which comprises a movable assembly and a pair of fixed assemblies fixedly arranged on the ground, the movable assembly comprises a pair of oppositely-arranged rectangular supporting rods, a connecting rod used for connecting the pair of supporting rods, a pair of winders, a pair of connecting ropes and a pair of pull rings. A winder is arranged on the lower side of a supporting rod, the supporting rod is of a hollow structure, a connecting rope is arranged in the supporting rod, a pull ring is arranged at the upper end of the middle of the supporting rod, one end of the connecting rope penetrates through the side wall of the supporting rod and then is fixedly connected with the pull ring, and the other end of the connecting rope penetrates through the side wall of the supporting rod and then is fixedly connected with the ...

Toggle type two-stage locking connector and connector plug

The invention discloses a toggle type two-stage locking connector and a connector plug, relates to the field of new energy, and solves the problems that a locking and unlocking structure is unstable in design, tedious in operation and the like in a pressing mode. When the inclined pressing block shifts the self-locking space along with the unlocking shifting block to move towards the insertion direction, the first inclined pressing surface elastically upwarps the first lock limiting strip through cooperation of the inclined surface and the first lock limiting strip, and slides out of the socket buckling table towards the pull-out direction to the locking space to abut against the second lock limiting strip so as to complete first-stage unlocking; when the inclined pressing block moves in the pulling-out direction, the second inclined pressing face is matched with the two-lock limiting strip through the inclined face to elastically tilt the two-lock limiting strip, and the second inclined ...

Fire protection method, device, equipment and medium

The embodiment of the invention provides a fire protection method, device and equipment and a medium. The fire protection method and the fire protection device are used for solving the problems that in the prior art, fire protection is not timely and potential safety hazards exist due to the fact that cooling prevention cannot be carried out on the early stage of battery thermal runaway, and the method comprises the steps of obtaining the battery temperature of each battery in real time; when the battery temperature of any battery is greater than a first temperature threshold and the temperature change of the battery meets a preset condition, determining the battery as a target battery; and cooling the target battery.

Treatment method for flowback wastewater of oil and gas field

The invention discloses a treatment method of flowback wastewater of an oil and gas field. The treatment method comprises the following steps: gravity precipitation, direct current electrolysis, corrosion inhibition precipitation, pressure filtration and benzene series treatment. Step A, gravity precipitation; through a gravity precipitation structure, the separation of oil droplets, suspended solids and water is realized in a static or flowing state by utilizing the density difference of oil and water and the incompatibility of oil and water; step B, direct current electrolysis; through the electrolysis structure, the oil-containing wastewater is purified by utilizing the electrolytic oxidation reduction effect of electric energy in the oil-containing wastewater and the floating effect of bubbles generated on the anode plate and the cathode plate. According to the oil and gas field flowback wastewater treatment method, gas enters the interior of the fixed pipe from the gas pump and the ...

Combined physical rehabilitation training device and method

The invention discloses a combined physical rehabilitation training device and method, and belongs to the technical field of rehabilitation training.The combined physical rehabilitation training device comprises two storage frames, the tail ends of the adjacent storage frames are rotationally connected through a hinge block, a storage box is arranged at the top of the hinge block, and a balance weight mechanism is fixedly installed in an inner cavity of each storage frame; and one side of the counterweight mechanism is connected with a traction rope. According to the training device, the expanding balancing weight can fully extrude the second spring, the second spring can drive the expanding balancing weight to reset into the damping box through the elasticity of the second spring after a trainee loosens the traction rope, and self-resetting of the expanding balancing weight during training is achieved through the elasticity of the second spring; the balance weight adjustment of the dragging ...

Lithium iron phosphate battery management system applied to communication base station

The invention discloses a lithium iron phosphate battery management system applied to a communication base station. Comprising a microcontroller (CPU), an analog front end (AFE), a software downloading circuit, a power conversion circuit, a real-time clock (RTC), an address dial-up circuit, an electric quantity display circuit, a CAN communication circuit, an RS485 communication circuit, a switch control circuit, a ferroelectric memory (FRAM), a fault detection circuit, a current acquisition circuit and an interface circuit. By optimizing a battery equalization management algorithm, the overall consistency of the battery is ensured, a fault report and historical data recording function is also provided, by externally expanding a capacity ferroelectric memory and adding a real-time clock function with a button battery, a base station standby power supply can store a large amount of resume data and real-time data, and when the battery is abnormal, the battery can be used as a standby power ...

Method for improving quality of cobalt nickel hydroxide intermediate product and hydrometallurgical treatment method

The invention discloses a cobalt nickel hydroxide intermediate product quality improving method and a laterite-nickel ore high-pressure leaching hydrometallurgical treatment method. According to the method for improving the quality of the cobalt nickel hydroxide intermediate product, the quality is improved by adopting a process combining high-temperature heat treatment and wet-process acid leaching treatment. By adopting the method, the quality of the cobalt nickel hydroxide intermediate product can be improved, the cobalt nickel oxide product which is low in impurity and can be directly sold is obtained, and the method has the advantages of being simple in process and low in cost. And laterite-nickel ore high-pressure leaching hydrometallurgical treatment is carried out based on the product after the quality is improved, so that the downstream process is simplified, the transportation cost is reduced, the equipment investment is reduced, and the subsequent extraction pressure is reduced ...

Method for estimating SOH (state of health) of lithium ion power battery

The invention discloses a lithium ion power battery SOH estimation method, and provides an estimation method for calculating the SOH of a power battery according to the use accumulated cycle number aiming at the defect that the current lithium ion power battery SOH estimation algorithm generally adopts an impedance analysis method and a voltage curve fitting method. According to the method, the use cycle index of the battery is firstly calculated in a charge and discharge capacity accumulation mode, then the use cycle index of the battery is compared with the standard cycle index given when the battery leaves a factory, the purpose of estimating the SOH is achieved, in the process of estimating the SOH of the power battery, the estimated SOH can be used for correcting the rated capacity of the battery in real time, and therefore the power battery SOH estimation efficiency is improved. The actual capacity value is used for updating and replacing the rated capacity value of the battery, the ...

Accurately quantitative auxiliary infusion device

The invention relates to medical auxiliary instruments, and provides an accurate quantitative auxiliary infusion device in order to accurately quantify the infusion amount during infusion, which comprises a box body, a piston cylinder arranged in the box body and provided with an opening on one side, a piston plate slidably arranged in the piston cylinder, a driving device for driving the piston plate to move, and a liquid storage bag arranged in the piston cylinder, the liquid inlet pipe is arranged on the side wall of the liquid storage bag, and the liquid outlet pipe, the first guide pipe and the second guide pipe are arranged on the side wall of the liquid storage bag; a first through hole and a second through hole are formed in the side, away from the opening side, of the piston cylinder, a pricking needle is arranged at one end of the first catheter, a first one-way valve is arranged at the other end of the first catheter, and the liquid inlet pipe penetrates through the first through ...

Thermal power plant flue gas oxygen content soft measurement method and system based on data driving

The invention belongs to the technical field of thermal power plant boiler thermal technology and artificial intelligence technology, particularly relates to a thermal power plant flue gas oxygen content soft measurement method and system based on data driving, and aims to solve the problems of large data cleaning workload, low network training efficiency and high model complexity of an existing soft measurement method. The method comprises the following steps: acquiring sensor data sets of a thermal power plant boiler in different operation states, and performing outlier elimination and data cleaning; performing hierarchical feature extraction and hierarchical feature splicing on the cleaned data; on the basis of the influence of different components of the splicing features on target output, different weights are given to the splicing features through an attention network; performing iterative training of the prediction model based on the spliced feature set with the weight; and carrying ...

小型超薄卧式吊顶水环双系统房间空气调节器

The invention is a small ultrathin horizontal ceiling water-ring double-system room air-conditioner, its technical character: (1) single air conditioner is composed of two sets of independently-working water-ring compressed-steam refrigerating systems and a set of electrical apparatus control systems, and each set of refrigerating systems includes ultralow power full-closed compressor, evaporator, condenser, four-way switching valve, throttling expanding system; (2) the main parts of the systems are not distributed the same plane in a up- and down- overlapping mode and the height of the whole machine is by far less than the length and width; (3) the compressor is a unconventional ultralow power full-closed one and the power of each compressor is less than 600W. It reduces the thickness by 20% above and can be mounted in building house with smaller storey height; reduces noise by 5-15%; doubles control precision and enhances the heat utilization ratio by 30-50%; reduces the starting current ...