Method fr preparing electric arc spraying fiber material containing core of nano material

An arc-spraying wire with the core containing nano material features that its core is a composite powder containing nano material and its jacket layer is chosen from carbon steel band, chromium steel band, stainless steel band, nickel band and aluminium band. Its sprayed layer has high adhesion and resistance to abrasion, crossion and oxidization.

Tension linear drawing machine

The invention relates to a mechanical device used for manufacturing cored wire drawing, in particular to a tension linear drawing machine which comprises a worktable, a take-up machine, a plurality of wire drawing dies and a plurality of electric speed regulating conical drums. Every wire drawing die is provided with a diameter reducing hole. A solid lubricating vessel is arranged on a wire entrance end of every wire drawing die. Based on a central line of the diameter reducing hole, the wire drawing dies are successively arranged and fixed on the worktable. The electric speed regulating drums are arranged between the wire drawing dies. After penetrating the wire drawing dies, wires wind the electric speed regulating conical drums for a plurality of circles and enter the next group of thewire drawing dies until finished wire products are cut off into discs. The invention aims at designing the tension linear drawing machine which is characterized in that the cored wires can not fracture ...

Supplier management method and device for realizing classification and grading based on supplier portraits

The invention discloses a supplier management method and device for realizing classification and grading based on supplier portraits. The method comprises the following steps: determining a plurality of supplier index scores of a target supplier; determining a supplier portrait calculation model corresponding to the target supplier; according to the supplier portrait calculation model and the plurality of supplier index scores, calculating a comprehensive evaluation score of the target supplier; and determining a management operation corresponding to the target supplier according to the comprehensive evaluation score. Therefore, the supplier portrait calculation model and the multiple supplier index parameters can be determined to calculate the comprehensive evaluation score of the supplier and determine the management operation of the supplier, so that more intelligent and efficient supplier portrait establishment can be realized, more reasonable supplier management can be realized, and ...

Fe-Mn-Cr serial arc spraying cored wire

The invention discloses an Fe-Mn-Cr-series arc spraying powder cored wire, which mainly consists of an external cladding and a powder core; wherein, the external cladding is a low-carbon steel band or a stainless steel band; according to the weight percentage, the powder core mainly consists of 40-60% of Mn powder, 8-12% of Cr powder, 2-3% of FeSi powder, 6-8% of Al powder, 15-25% of Cr3C2 powder and the balance of Ni powder. The Fe-Mn-Cr-series arc spraying powder cored wire is used to carry out the spraying on a metal substrate roughened by sand blasting according to the process parameters of the arc spraying in the prior art, so as to gain the arc spraying coating with the hardness HV not less than 500, good performance of high temperature erosion prevention and high adhesion strength; the cost is low when the Fe-Mn-Cr-series arc spraying powder cored wire is sprayed on coal-fired boiler pipelines by using the arc spraying technique. The Fe-Mn-Cr-series arc spraying powder cored wire ...

Spiral safety path for high-rise building and super highrise building

The spiral safety path for high-rise building and super highrise building is for persons in the building to escape to ground in emergency of unusable staircases. The spiral safety path consists of main slideway and secondary slideway, and the main slideway is spire from the top story to the ground around the building and has arched cross section and entrances to each of the stories. The path has independent support structure and smooth inside.

Use of catalyst in selective catalytic reduction denitration for flue gas and preparation method thereof

The present invention relates to a high efficiency catalyst used for smoke SCR denitration in heat-engine plant and a preparation method thereof. A high efficiency selectively catalyzing and reducing denitration catalyst comprises a catalyst support consisting of a metal titanium baseplate and a TiO2 film support with a nanometer-scale porous structure covering on the metal titanium baseplate and also comprises the active components of V2O5 and WO3 loaded on the catalyst support. The chemical reaction of metal titanium and peroxide solution is used for making a layer of TiO2 film support with the nanometer-scale porous structure on the surface of the metal titanium baseplate, certain quantity of the V2O5 and WO3 are loaded on the metal titanium baseplate, finally the catalyst is activated by proper heat treatment to prepare for the high efficiency catalyst. The high efficiency catalyst used for smoke SCR denitration in heat-engine plant and the preparation method thereof provided by the ...

Method and device for modifying Nginx configuration information, equipment and medium

The embodiment of the invention discloses a method and device for modifying Nginx configuration information, equipment and a medium. The method is applied to a server side and comprises the steps that an Nginx configuration information modification instruction sent by a client side is received, the Nginx configuration information modification instruction comprises candidate configuration modification information, and the candidate configuration modification information is determined through target Nginx parameter configuration based on a preset Nginx configuration file template of the client side; according to candidate configuration modification information in the Nginx configuration information modification instruction, determining target configuration modification information associated with the candidate configuration modification information; and according to the target configuration modification information, modifying the original Nginx configuration information in the Nginx server ...

Voltage increasing subsection heating high-temperature erosion abrasion machine

The invention relates to a pressurized multistage heating high temperature erosion abrasion tester for simulating abrasion research of a coal burning boiler of a heat power plant, comprising a high temperature air-heating furnace, an abrasive grain feeder, a sample heating erosion machine, an erosion air feeding piping, after the erosion air feeding piping impenetrates the high temperature air-heating furnace, and directly passes over the sample heating erosion machine, an exit of the erosion air feeding piping points to the middle of a sample block vertically arranged in the sample heating erosion machine and forms a certain angle, an exit of the abrasive grain feeder is connected on the erosion air feeding piping between the high temperature air-heating furnace and the sample heating erosion machine. Provided is a pressurized multistage heating high temperature erosion abrasion tester for simulating erosion-corrosion operating conditions of the coal burning boiler of the heat power plant ...

Microservice process execution method and device, electronic equipment and storage medium

The embodiment of the invention discloses a micro-service process execution method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining at least two to-be-executed micro-service processes, and determining a target to-be-executed micro-service process based on execution priorities corresponding to the to-be-executed micro-service processes; determining a target to-be-executed micro-service based on the execution sequence of each to-be-executed micro-service in the target to-be-executed micro-service process, and generating a target event corresponding to the target to-be-executed micro-service through a process scheduling engine; and determining event information of the target event based on the process execution engine, and executing the target to-be-executed micro-service based on the event information. According to the technical scheme provided by the embodiment of the invention, the technical problems that the existing micro-service arrangement ...

Water-cooling wall with anti-falling wearable coating

The invention relates to a circulating fluidized bed boiler water-cooling wall, in particular to a water-cooling wall with an anti-falling wearable coating. The water-cooling wall comprises a plurality of water-cooling wall pipes and fins; all adjacent water-cooling wall pipes are connected with each other by the fins; the water-cooling wall is characterized in that the water-cooling wall also comprises a bottom coating, a pinning layer, a pin, a wearable working layer and a ceramic sealing layer; the bottom coating is sprayed on the surfaces of the water-cooling wall pipes and the fins by an electric arc; the bottom coating is then sprayed by the spinning layer by the electric arc; the bottom coating and the spinning layer are connected with the fins by a plurality of welding pins at the fin positions; furthermore, the spinning layer is sequentially arc-sprayed by the wearable working layer and cold-sprayed by the ceramic sealing layer. The invention aims at providing the water-cooling ...

High-efficient selective catalytic reduction denitration catalyst and preparation method thereof

The present invention relates to a high efficiency catalyst used for smoke SCR denitration in heat-engine plant and a preparation method thereof. A high efficiency selectively catalyzing and reducing denitration catalyst comprises a catalyst support consisting of a metal titanium baseplate and a TiO2 film support with a nanometer-scale porous structure covering on the metal titanium baseplate and also comprises the active components of V2O5 and WO3 loaded on the catalyst support. The chemical reaction of metal titanium and peroxide solution is used for making a layer of TiO2 film support with the nanometer-scale porous structure on the surface of the metal titanium baseplate, certain quantity of the V2O5 and WO3 are loaded on the metal titanium baseplate, finally the catalyst is activated by proper heat treatment to prepare for the high efficiency catalyst. The present invention aims to providing a high-efficiency selectively catalyzing and reducing denitration catalyst with high specific ...

Weather natural scene data docking system and docking method based on three-dimensional system

The invention discloses a weather natural scene data docking system and docking method based on a three-dimensional system. The system comprises a visualization module, a power failure and recovery module, a rendering module, a three-dimensional digital twin module and an AR power failure and recovery module. And the visualization module is used for fusing the power grid and the equipment model through virtual service reality by adopting a space double-engine technology in the equipment model so as to realize vivid visual display of a power transmission three-dimensional scene. Seamless switching of different scenes is realized by adding a cesium/UE switching button in an original system, front-end and background resources of the original system are continuously used to the greatest extent, system architecture transformation design is carried out in combination with an original cesium engine, the development workload is reduced, the operation conditions of a power grid and equipment are ...

Exponential flow-resisting frame used for reducing abrasion of circulating fluidized bed boiler water-cooling wall

The invention relates to a flow-resisting frame, in particular to an exponential flow-resisting frame used for reducing abrasion of a circulating fluidized bed boiler water-cooling wall. The flow-resisting frame comprises a plurality of water-cooling wall pipes and fins; all adjacent water-cooling wall pipes are connected with each other by fins; the flow-resisting frame is characterized in that the walls of the water-cooling wall pipes and the fins are provided with a plurality of groups of flow-resisting beams that are arranged horizontally or vertically; the beam body of each flow-resisting beam is internally provided with a plurality of grabbing nails; and the internal ends of the grabbing nails are welded on the fin along the arrangement direction of the flow-resisting beams. The invention aims at designing the exponential flow-resisting frame which can obviously reduce the wall pressing weir flow and effectively resist and lighten the abrasion of the bed material and the flying ash ...

Electrode nozzle of electric arc spraying coater in supersonic speed and manufacturing method

An electric conducting tip for the supersonic arc-spraying machine is composed of the cylindrical front half made of cermat prepared from tungsten carbide, titanium carbide, tatalum carbide, niobium carbide and chromium (or cobalt or nickel) of carbide for high antiwear performance, and the cylindrical back half made of Cu alloy prepared from Cu, Cr, Zr, Mg and Ce or Y alloy.

Composite light house

The utility model relates to a composite light house, which is composed of a plurality of light houses. The utility model is characterized in that a plurality of light houses are sheathed together. Each master light house is provided with a vertical slideway, and each sub-light house is provided with a horizontal slide shaft. Both ends of the slide shaft are clamped in the slideway. The light switch of each sub-light house is arranged on the bottom part of the moving slideway of the light house. A rope is sheathed on the slide shaft of sub-light house which is arranged at the innermost layer, and both ends of the rope are connected with a pulley mechanism. The master light houses and the sub-light houses of the utility model can achieve a plurality of different pictures of the light houses by changing the positions of the sub-light houses. The transformation is multiple and attractive. The propaganda function of the advertisement can be achieved well, and the effect of the advertisement ...

Micro-service-based index management method, system, equipment and medium

The invention discloses a micro-service-based index management method, system and device and a medium. Comprising the following steps: acquiring different types of service domain data; determining associated service domain data from the service domain data according to the definition attribute information corresponding to the different candidate indexes, and determining candidate index data corresponding to the candidate indexes according to the associated service domain data; determining target index data from the candidate index data according to service requirements corresponding to the candidate index services, and feeding back the target index data to the application end; wherein the candidate index service is deployed based on the micro-service architecture. According to the method, the target index data is obtained by obtaining the service domain data and processing the data according to the candidate indexes. By adopting the method, standardized and rapid and safe access of business ...

Elastic composite material and preparation method thereof

The invention provides a preparation method of an elastic composite material. The preparation method comprises the following steps: preparing a polymer matrix: reacting a polymer monomer and a first auxiliary agent in a reaction kettle to obtain the polymer matrix in a flowing state; preparing a powder filler: mixing metal powder and inorganic matter powder to obtain the powder filler; preparing a second auxiliary agent; mixing a cross-linking agent and a catalyst to obtain a second auxiliary agent; and preparing the elastic composite material: mixing the polymer matrix, the powder filler and the second auxiliary agent, and curing to obtain the elastic composite material. The invention also provides the elastic composite material prepared by the method. The preparation method disclosed by the invention is low in cost, simple in process operation and high in controllable degree, and the obtained elastic composite material is low in viscosity, good in rebound effect and stable in elasticity ...

Positioning and wiring mechanism for electric energy meter

The invention discloses a positioning and wiring mechanism for an electric energy meter, which is used for automatically detecting the electric energy meter. The mechanism comprises a frame, wherein the frame is provided with a transmission device on which a meter loading device is arranged; the frame is also provided with a positioning device matched with the meter loading device and a wiring device matched with the electric energy meter to be detected; the meter loading device is provided with a positioning hole; the positioning device comprises a positioning cylinder; the positioning cylinder is connected with a connecting rod mechanism in a driving way; the connecting rod of the connecting rod mechanism is provided with a positioning pin matched with the positioning hole; the wiring device comprises a butt joint cylinder which is connected with a butt joint sliding plate in a driving way; the butt joint sliding plate is fixedly connected with a wire connector base; a test probe group ...

Power grid ontology model construction method based on graph model association recommendation algorithm

The invention discloses a power grid ontology model construction method based on a graph model association recommendation algorithm. The method can improve the construction efficiency of the power grid ontology model. Comprising the following steps: step A, obtaining constructor information and modeling keywords of a to-be-constructed model; b, calling a plurality of historical models from a historical model database; c, recognizing concepts matched with the modeling keywords in the called historical model as keyword concepts, configuring the constructor information as attributes of the keyword concepts of the historical model, and taking concepts corresponding to the attributes in the historical model as associated concepts; d, taking a plurality of mutually connected association concepts and keyword concepts as a group of association relationships, and calculating the number of all association relationships of the historical model to obtain the total number of relationships; e, taking ...

Log management method and device, electronic equipment and storage medium

The embodiment of the invention discloses a log management method and device, electronic equipment and a storage medium. The method is applied to a log management service, a log receiving interface is predefined on the log management service, and the method comprises the following steps: receiving an interface calling instruction sent by any micro-service in at least one micro-service; responding to the interface calling instruction, taking the micro-service which sends the interface calling instruction in the at least one micro-service as a target micro-service, and receiving an audit log sent by the target micro-service through the log receiving interface; sending the audit log to a target database, so that the target database stores the audit log; wherein the at least one micro-service is a micro-service capable of calling the log receiving interface, and the log receiving interface follows a feed interface specification. According to the technical scheme provided by the embodiment of ...

High strength high conductivity heat resistant copper alloy and its mannfacturing method

Positioning and wiring mechanism of electric energy meter

The invention discloses a positioning and wiring mechanism of an electric energy meter for automatic detection, comprising a stand. The stand is provided with a transmission device on which a meter holding device is arranged, and further comprises a positioning device matched with the meter holding device and a wiring device matched with the electric energy meter to be detected. The positioning and wiring mechanism of the electric energy meter has simple structure, is convenient to use without manually positioning, wiring and separating each electric energy meter and improves the production efficiency and the automation degree.

Rolling/drawing type laminated opening wire coating machine

The invention relates to a wire wrapping machine of powder cored wires used for arc spraying and surfacing, in particular to a rolling/pulling-typed superposed wire wrapping machine; the wire wrapping machine comprises a damping-typed belt-arranging mechanism, a rolling device, a powder feeding device and a folding device; wherein, the rolling device consists of a locating wheel, a pre-rolling wheel, a forming rolling wheel and a shaping rolling wheel; the powder feeding device is arranged between the rolling device and the folding device and consists of a powder feeding funnel and a conveyerbelt; the folding device consists of a superposed rolling wheel, a sealed rolling wheel and a compacting rolling wheel; in the upper concave wheel of the superposed rolling wheel, the concave trough of the upper concave trough consists of two concave troughs of different depths. The invention aims at designing the rolling/pulling-typed superposed wire wrapping machine which can convey the powder uniformly ...

Fe-Mn-Cr-Al arc spraying cored wire for preventing high temperature oxidation and corrosion

The invention discloses a Fe-Mn-Cr-Al arc spraying powder core wire material for preventing high-temperature oxidation corrosion, which mainly comprises an outer covering layer and a powder core, wherein the outer covering layer is a low-carbon steel band or a stainless steel band; and the powder core mainly comprises the following compositions in weight percentage: 40 to 60 percent of Mn powder, 15 to 18 percent of Cr powder, 10 to 15 percent of Al powder, 2 to 3 percent of FeSi powder, 10 to 13 percent of Cr3C2 powder, 3 to 5 percent of Mo powder and Ni powder, and the balance being Ni powder. The invention discloses a material which can be widely used for preventing high-temperature oxidation corrosion and surface repair of boiler heating surface pipeline, petrochemical industry, and smelting equipment parts. The popularization and the application of the Fe-Mn-Cr-Al arc spraying powder core wire material are bound to bring about significant economic benefits, and have important operation ...

Rolling/drawing type laminated opening wire coating machine

The invention relates to a wire wrapping machine of powder cored wires used for arc spraying and surfacing, in particular to a rolling/pulling-typed superposed wire wrapping machine; the wire wrapping machine comprises a damping-typed belt-arranging mechanism, a rolling device, a powder feeding device and a folding device; wherein, the rolling device consists of a locating wheel, a pre-rolling wheel, a forming rolling wheel and a shaping rolling wheel; the powder feeding device is arranged between the rolling device and the folding device and consists of a powder feeding funnel and a conveyer belt; the folding device consists of a superposed rolling wheel, a sealed rolling wheel and a compacting rolling wheel; in the upper concave wheel of the superposed rolling wheel, the concave trough of the upper concave trough consists of two concave troughs of different depths. The invention aims at designing the rolling/pulling-typed superposed wire wrapping machine which can convey the powder uniformly ...

Bluetooth mobile phone and anti-theft method thereof

The invention relates to the field of mobile communication terminals and discloses a Bluetooth mobile phone and an anti-theft method thereof. In the Bluetooth mobile phone and the anti-theft method thereof, the mobile phone is used for starting the anti-theft function of a Bluetooth headset to launch the matching with the Bluetooth headset; the mobile phone is used for judging whether the matching with the Bluetooth headset is successful; if the matching is successful, an anti-theft monitoring task of the Bluetooth headset is started, and radio frequency (RF) signal intensity of the Bluetooth is read at regular time by the link monitoring of the Bluetooth; and when the detected RF signal intensity is less than a preset alarm value, an alarm function is started. By utilizing the provided low-cost anti-theft method of the Bluetooth mobile phone, the mobile phone can be effectively prevented from being lost and safety of the mobile phone is improved; and a new anti-theft function is added ...

Water-cooling wall with anti-falling wearable coating

The invention relates to a circulating fluidized bed boiler water-cooling wall, in particular to a water-cooling wall with an anti-falling wearable coating. The water-cooling wall comprises a plurality of water-cooling wall pipes and fins; all adjacent water-cooling wall pipes are connected with each other by the fins; the water-cooling wall is characterized in that the water-cooling wall also comprises a bottom coating, a pinning layer, a pin, a wearable working layer and a ceramic sealing layer; the bottom coating is sprayed on the surfaces of the water-cooling wall pipes and the fins by anelectric arc; the bottom coating is then sprayed by the spinning layer by the electric arc; the bottom coating and the spinning layer are connected with the fins by a plurality of welding pins at thefin positions; furthermore, the spinning layer is sequentially arc-sprayed by the wearable working layer and cold-sprayed by the ceramic sealing layer. The invention aims at providing the water-cooling wall ...

Saddle cover for bicycle

The utility model provides a saddle cover for a bicycle, which comprises a framework. The utility model is characterized in that the back part of the framework is hinged with a pair of connecting rods; the other end of the connecting rods is fixed on bolts below a saddle; an outer cover made of water-proof cloth is covered above the framework. The saddle cover of the utility model is covered on the saddle on a wind or a rainy day, and has the advantages of water proof and dust proof. When the utility model is used on a sunny day or people ride the bicycle, the utility model can be lifted and hung at the back of the saddle, and the utility model has the advantages that the use is very convenient; not only clothes and trousers can be avoided from suffering pollution; but also the service life of the saddle of the bicycle can get enhanced.

Micro-service dynamic scheduling method, device, equipment and medium

The invention discloses a micro-service dynamic scheduling method and device, equipment and a medium. Determining a plurality of target services corresponding to the micro service and target servers corresponding to the target services; service deployment information of the target servers at the current moment is obtained, multiple target categories corresponding to the multiple target services are obtained based on the current moment, and the target categories are determined based on calling links among the multiple target services within the preset duration; and dynamically scheduling the micro-service based on the target category and the service deployment information, thereby solving the problem of server performance loss caused by cross-server service calling in the micro-service scene, realizing that one service calling link crosses servers as few as possible, improving the service calling performance in the micro-service scene, and improving the service performance of the micro-service ...

Image processing method and device, equipment and storage medium

The invention discloses an image processing method and device, equipment and a storage medium, and the method comprises the steps: positioning and recognizing a to-be-recognized barcode in a to-be-recognized image through a barcode recognition model, and determining a barcode recognition result; if the identification of the to-be-identified bar code fails, determining whether the to-be-identified bar code is a faded bar code; if yes, performing sharpening enhancement and equalization processing on the to-be-identified bar code to obtain a color enhanced bar code, and determining whether the color enhanced bar code is a bent bar code; and if yes, correcting the color-enhanced bar code through an image projection correction algorithm, taking the corrected color-enhanced bar code as a target bar code, identifying the target bar code through a bar code identification model, and obtaining a bar code identification result. The bar code recognition accuracy and the bar code recognition efficiency ...

Fe-Mn-Cr serial arc spraying cored wire

The invention discloses an Fe-Mn-Cr-series arc spraying powder cored wire, which mainly consists of an external cladding and a powder core; wherein, the external cladding is a low-carbon steel band or a stainless steel band; according to the weight percentage, the powder core mainly consists of 40-60% of Mn powder, 8-12% of Cr powder, 2-3% of FeSi powder, 6-8% of Al powder, 15-25% of Cr3C2 powderand the balance of Ni powder. The Fe-Mn-Cr-series arc spraying powder cored wire is used to carry out the spraying on a metal substrate roughened by sand blasting according to the process parameters of the arc spraying in the prior art, so as to gain the arc spraying coating with the hardness HV not less than 500, good performance of high temperature erosion prevention and high adhesion strength;the cost is low when the Fe-Mn-Cr-series arc spraying powder cored wire is sprayed on coal-fired boiler pipelines by using the arc spraying technique. The Fe-Mn-Cr-series arc spraying powder cored wire can ...

Tension linear drawing machine

The invention relates to a mechanical device used for manufacturing cored wire drawing, in particular to a tension linear drawing machine which comprises a worktable, a take-up machine, a plurality of wire drawing dies and a plurality of electric speed regulating conical drums. Every wire drawing die is provided with a diameter reducing hole. A solid lubricating vessel is arranged on a wire entrance end of every wire drawing die. Based on a central line of the diameter reducing hole, the wire drawing dies are successively arranged and fixed on the worktable. The electric speed regulating drums are arranged between the wire drawing dies. After penetrating the wire drawing dies, wires wind the electric speed regulating conical drums for a plurality of circles and enter the next group of the wire drawing dies until finished wire products are cut off into discs. The invention aims at designing the tension linear drawing machine which is characterized in that the cored wires can not fracture ...

Electronic detonator junction box capable of being stably connected

The invention discloses an electronic detonator junction box capable of being stably connected, and relates to the technical field of blasting equipment. The junction box comprises a box body, an electronic lightning wire pin and a detonating bus, and further comprises a fixing device, a mistaken touch prevention device and a waterproof device, the fixing device comprises an internal connection box, a first air cavity, a first conduction plate, a first conduction rod, a sliding block, a second air cavity, a second conduction plate, a first limiting block, a second conduction rod and a chuck, and the internal connection box is installed in the box body in a sliding mode; the first air cavity is fixedly installed on the right side of the inner wall of the inner connection box, the first conduction plate is installed in the first air cavity in a sliding mode, and the first conduction rod is fixedly installed below the first conduction plate. And the problem that the use success rate of the ...