109results about How to "Increase production rate" patented technology

The invention discloses a walnut vegetarian meat product continuous mixing, forming and curing integrated device which comprises a base, a rotating stand, a supporting cylinder, a stirring mechanism and a sealing mechanism, the rotating stand is fixedly arranged on the base, the supporting cylinder is rotationally arranged on the rotating stand, the stirring mechanism is rotationally arranged in the supporting cylinder, and the sealing mechanism is arranged on the rotating stand. A sealing mechanism is fixedly arranged at the output end of the supporting cylinder, a scraping plate is arranged at the input end of the supporting cylinder in a sliding mode through hydraulic drive, the stirring mechanism comprises a rotating cylinder, an inner cylinder, a first stirring block and a second stirring block, the rotating cylinder is rotationally arranged in the supporting cylinder, the inner cylinder is fixedly arranged in the rotating cylinder, and the first stirring block and the second stirring block are arranged in the supporting cylinder. A stirring cavity is formed in the inner cylinder, a driving cavity is formed between the inner cylinder and the rotating cylinder, a plurality of first deflection grooves are formed in the middle of the inner cylinder, a plurality of second deflection grooves are formed in the two ends of the inner cylinder, first stirring blocks are rotationally arranged in the first deflection grooves in a sealed mode, and second stirring blocks are rotationally arranged in the second deflection grooves in a sealed mode.

The utility model relates to the technical field of iron phosphate production, and discloses iron solution reaction equipment for iron phosphate production, the iron solution reaction equipment comprises a reaction kettle body, a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are respectively communicated with the top and the bottom of the reaction kettle body, a stirring mechanism is arranged in the reaction kettle body, and a heating mechanism is arranged on the outer side of the reaction kettle body. The stirring mechanism comprises a driving motor, a connecting rod, a stirring plate, a supporting ring and a filter screen. According to the iron solution reaction equipment for iron phosphate production, when an iron salt solution and a phosphate solution react in the reaction kettle body, the connecting rod drives the stirring plate to rotate to stir the iron salt solution and the phosphate solution, so that the iron salt and phosphate are mixed more thoroughly, and the iron phosphate production rate is increased; meanwhile, ferric phosphate precipitated to the bottom of the reaction kettle body is shielded and filtered by the filter screen, so that the ferric phosphate is not easy to float upwards to influence the reaction of ferric salt and phosphate solution, and the reaction rate of ferric salt and phosphate solution is further improved.

The invention discloses a method for preparing hierarchical porous ceramic based on thermosensitive emulsion in combination with direct-writing printing forming, and belongs to the technical field of porous ceramic materials. The method comprises the following steps: ball-milling and mixing ceramic powder and / or ceramic powder oxide sol nanoparticles with epoxy resin and a diluent to obtain a uniform ceramic suspension, adding a surfactant, deionized water and a curing agent, and fully mechanically stirring to obtain the stable thermosensitive emulsion. The heat-sensitive emulsion is used as paste for direct-writing printing forming so as to form a part with a complex shape, and then the hierarchical porous ceramic is obtained through the steps of thermocuring, degreasing and sintering. According to the invention, the thermocuring characteristic of the epoxy resin is utilized, and the characteristics of simplicity, convenience and adjustable pore structure of an emulsion method are combined, so that rapid curing molding is realized, and a novel paste source is provided for a direct-writing printing molding technology, so that the hierarchical porous ceramic with a complex shape is prepared.

The invention discloses preparation of a layered mesoporous Pd-Cu nano-catalyst and a method for preparing glycollic acid from PET hydrolysate through electro-oxidation under environmental conditions, and belongs to the technical field of catalysts. The preparation method comprises the following steps: dissolving CTAB (Cetyltrimethyl Ammonium Bromide) serving as a surfactant in a cosolvent of water and TMB (Tetramethylbenzidine), sequentially adding NH4PdCl4 and Cu (NO3) 2.3 H2O serving as metal precursors into a reaction solution, and finally synthesizing the layered mesoporous Pd-Cu by virtue of a reduction effect of sodium borohydride and an in-situ nucleation and adhesion method. Continuous electro-catalysis is carried out in a pulse mode, selective desorption of GA is dynamically accelerated, and new active sites of a metal catalyst are exposed. The electric pulse catalysis can promote the desorption of the product, prevent poisoning, and further improve the stability and selectivity of the catalyst. The method shows excellent glycollic acid Faraday efficiency, high generation rate and excellent cycle stability under a wide potential window, 20 times of electro-catalysis PET upgrading cycles are achieved, and upgrading utilization of PET waste and efficient generation of glycollic acid are achieved.

The invention discloses an intelligent irrigation system based on environmental perception, and belongs to the technical field of irrigation systems. Comprising a plurality of acquisition terminals, an intra-domain orthographic projection acquisition unit, a photosynthetic determination unit, an irrigation processing host and an irrigation system, and the acquisition terminals are distributed in an irrigation area; the acquisition terminal comprises an acquisition controller, and the acquisition controller is connected with a soil moisture content transmitter and a sampling point plant orthographic projection acquisition unit; at least one acquisition terminal is provided with a temperature transmitter and an air humidity transmitter which are connected with the acquisition controller; a sensing processing system is arranged in the irrigation processing host; the intra-domain orthographic projection acquisition unit is connected to the irrigation processing host; and the irrigation processing host is connected with the irrigation system. According to the intelligent irrigation system based on environmental perception, the irrigation amount of plants in the irrigation area can be accurately predicted according to the environmental perception, the soil moisture content and the plant growth state data; and crops can obtain accurate moisture.

The invention relates to an electrode grid line preparation method and a photovoltaic cell, and relates to the field of photovoltaic technology, and the method comprises the following steps: S1, providing a substrate, and forming a polymer layer on the substrate; s2, providing a first mold, and pressing a first groove on the polymer layer; s3, first conductive slurry is smeared on the polymer layer; s4, providing a second mold, and pressing a second groove on the first conductive slurry; s5, smearing second conductive slurry on the first conductive slurry; s6, providing a base material, and transferring the first conductive slurry and the second conductive slurry onto the base material; s7, stripping the substrate, dissolving the polymer layer, and enabling the first conductive slurry and the second conductive slurry to be adhered to the base material; and S8, sintering the first conductive slurry and the second conductive slurry to form the electrode grid line. By adopting a combined structure of the first conductive slurry and the second conductive slurry, the cost can be reduced while the conductive effect of the electrode grid line is improved.

The invention discloses a two-stage short-cut denitrification-anaerobic ammonia oxidation double-granule sludge device for sewage treatment. Comprising a nitrate nitrogen wastewater tank and a carbon source water tank which are arranged in parallel, a short-cut denitrification granular sludge reactor which is jointly connected with the nitrate nitrogen wastewater tank and the carbon source water tank, and an anaerobic ammonia oxidation granular sludge reactor which is connected with the short-cut denitrification granular sludge reactor in series, the short-cut denitrification granular sludge reactor comprises a short-cut denitrification tank body, a first water inlet is formed in the lower end of the short-cut denitrification tank body, the nitrate nitrogen wastewater tank is communicated with the first water inlet through a first water inlet pump, and the carbon source water tank is communicated with the first water inlet through a second water inlet pump; according to the invention, short-cut denitrification and anaerobic ammonia oxidation decoupling are realized, and adverse effects of organic matters on anaerobic ammonia oxidation are avoided; the whole set of device is a complete continuous flow process, and compared with the process in the prior art, the production rate of nitrite nitrogen is effectively improved, and a reaction substrate can be continuously and stably provided for anaerobic ammonia oxidation.

The invention discloses high-viscosity dimethyl silicone oil and a preparation method thereof.The preparation method comprises the following steps that a siloxane polymer is heated, a basic catalyst is added in the inert gas atmosphere, and a first mixture is obtained; continuously heating and adding an end-capping reagent into the first mixture in a vacuum environment for reaction to prepare a second polymer; adding a neutralizer into the second polymer for reaction to obtain a third polymer; and heating and devolatilizing light components in the third polymer in a vacuum environment to obtain the finished product silicone oil. A high-viscosity dimethyl silicone oil product prepared by carrying out a catalytic reaction in a potassium hydroxide silanolate-silicon-based phosphate catalytic neutralization system and then using a linear siloxane oligomer as a main polymer has the advantages of low polymerization intermediate volatile matter, high product viscosity and low molecular weight distribution coefficient, and has a wide application prospect.

The invention belongs to the field of material and electronic device manufacturing, and discloses a capacitive micromachined ultrasonic transducer based on 3D printing and a preparation method thereof.The CMUTs comprise an upper electrode, an upper insulating layer, a vibrating membrane, a supporting column layer, a silicon substrate and a lower electrode which are sequentially connected from top to bottom, and a cavity is formed among the vibrating membrane, the lower insulating layer and a supporting column of the supporting column layer; the method comprises the following steps: printing a pillar layer array on the front surface of a silicon substrate with a functionalized surface by utilizing a nano silicon dioxide composite material and adopting a photocuring 3D printing method; then curing and heat treatment are carried out to obtain a second device; bonding a vibrating diaphragm; printing an insulating layer on the front surface of the vibrating diaphragm; carrying out curing and heat treatment; printing an upper electrode; removing the silicon dioxide on the back surface of the silicon substrate through a wet etching process; printing a lower electrode on the back of the silicon substrate; and removing the photoresist. According to the invention, the consumption of required equipment and materials is reduced, and the production cost is reduced.

The utility model discloses a feeding device for PE pipeline production, and relates to the technical field of PE pipelines. Comprising a feeding supporting frame, a feeding mechanism is fixed to the top end of the feeding supporting frame, the feeding mechanism comprises two shells, and the two shells are symmetrical to each other. The feeding mechanism is arranged, the clamping rod and the spring rod are additionally arranged in the feeding mechanism, when raw materials of a PE pipeline are fed, the bagged raw materials can be cut by the cutting blade and slide off from a notch, the size of a bag can be reduced along with continuous sliding of the raw materials, and therefore the raw materials can be conveniently fed. The spring rods can effectively control the clamping rods to clamp bags, it is ensured that the bags cannot fall into the equipment, along with continuous operation of the conveying belt, empty bags can be collected by the bag collecting box, the PE pipeline production rate is increased, and potential safety hazards of workers are reduced.

The invention provides a method for producing succinic acid by immobilized cells, and belongs to the technical field of fermentation. The fermentation culture medium comprises the following components: 50 to 54 g / L of glucose, 8 to 10 g / L of corn steep liquor, 5.7 to 5.9 g / L of monopotassium phosphate, 6.3 to 6.5 g / L of dipotassium phosphate, 0.17 to 0.22 mg / L of calcium chloride, 1.67 to 1.73 mg / L of cobalt chloride hexahydrate, 0.46 to 0.50 mg / L of zinc sulfate heptahydrate, 1.6 to 1.8 mg / L of biotin, 6.0 to 6.5 mg / L of nicotinamide, 8.2 to 8.5 mg / L of vitamin B5 and 0.32 to 0.34 g / L of an active agent. By adopting the method disclosed by the invention, the succinic acid production rate is high, the malic acid content is low, the immobilized microspheres can be repeatedly fermented for multiple times, and the succinic acid content of a single batch is stable and is always kept at a relatively high level.

The invention provides a lithium ion battery positive electrode material, a precursor, a preparation method of the precursor, a lithium ion battery and lithium battery equipment, and relates to the field of lithium ion batteries. The secondary particles of the precursor comprise a plurality of strip-shaped or shuttle-shaped primary particles, and the ratio of the grain size D (100) / D (001) of the precursor is 1.50-2.40. The preparation method comprises the following steps: adding raw materials including a metal salt solution, a precipitator and a complexing agent into a base solution, reacting according to a preset procedure, and adjusting the pH value in the reaction process until a crystal nucleus is obtained; the method comprises the following steps: adding materials including a metal salt solution, a precipitator, a complexing agent and a crystal nucleus into a base solution, reacting according to a preset procedure, and adjusting the pH value in the reaction process. The raw material of the lithium ion battery positive electrode material comprises a lithium ion battery positive electrode material precursor. The precursor provided by the invention gives consideration to both capacity performance and cycle performance by inhibiting growth of a (001) plane.

The utility model discloses a rapid drilling device for highway guardrail production, and relates to the technical field of guardrail drilling. The drilling device comprises a U-shaped workbench, conveying rollers are installed at the tops of the two ends of the workbench, an inverted-U-shaped support is fixedly arranged at the top end of the workbench, and a drilling device body is fixedly installed on the lower surface of the top end of the support. The air cylinder can push the guardrail plate to move upwards to the position below the drilling device to be drilled, meanwhile, the clamping plate can clamp the guardrail plate through the linkage assembly to guarantee drilling stability, after drilling is completed, the air cylinder moves downwards, the drilled guardrail plate is normally conveyed by the conveying roller at the moment, automatic discharging is achieved, and the production efficiency is improved. And the subsequent guardrail plate can be drilled through the operation, and through the operation, the guardrail plate can be automatically drilled and discharged at the same time, so that the drilling steps can be greatly reduced, the labor of workers is reduced, the drilling efficiency is improved, and the production rate is increased.

The invention provides a magnesium alloy hydrogen storage material and a preparation method thereof, and particularly relates to the technical field of hydrogen storage alloys. The chemical formula of the magnesium alloy hydrogen storage material is Mg < 100-a-b-x-y > Ni Zr Na < x > Ce < y >, wherein 10 < = a < = 20; 0.1 < = b < = 2; 0.1 < = x < = 2; 1 < = y < = 15. According to the magnesium alloy hydrogen storage material, the element cerium is added into the magnesium alloy, the cerium element reacts with hydrogen to generate stable CeH2.73, the compound always exists in the whole hydrogen charging and discharging process, an additional channel is provided for diffusion of hydrogen atoms, and the migration rate and efficiency of the hydrogen atoms are remarkably improved. The stable compound plays a role of a catalyst, the activation energy of the magnesium-based material is reduced, and the adsorption and release of hydrogen are promoted, so that the hydrogen charging and discharging performance is improved.

The utility model discloses an automobile pipe feeding mechanism which comprises a machine table, a feeding frame assembly, a sliding clamping seat, a fixed clamping seat and a deflection assembly. The feeding frame assembly is fixedly installed on one side of the upper surface of the machine table. The sliding clamping base is arranged on the machine table, located on one side of the feeding frame assembly and used for bearing the pipes output by the feeding frame assembly. Wherein the sliding clamping seat can move in the vertical direction; the fixed clamping base is fixedly arranged over the sliding clamping base, can be attached to the sliding clamping base and is used for clamping a pipe for machining. The deflection assembly is arranged on the machine table, one end of the deflection assembly is suspended in an area formed between the fixed clamping base and the sliding clamping base, and the other end of the deflection assembly extends out of the machine table. When the sliding clamping base resets, the deflection assembly can receive and guide the machined pipe to the outside of the machine table. Through the arrangement, the working intensity of workers can be reduced, and the production rate can be improved.

The application provides a semiconductor manufacturing equipment, which comprises an etching chamber, a vacuum buffer chamber and a vacuum transmission chamber. The vacuum buffer chamber is used for temporarily storing a wafer. The vacuum buffer chamber comprises a temperature control unit, and the temperature control unit comprises a heating structure used for heating the wafer. The vacuum transmission chamber is in communication with the etching chamber and the vacuum buffer chamber respectively, and the vacuum transmission chamber is provided with a conveying device used for conveying the wafer. The vacuum buffer chamber in the embodiment provides a vacuum environment for the wafer, so that the wafer is prevented from being polluted by impurity particles in an atmospheric environment or eroded by water vapor when being temporarily stored in the vacuum buffer chamber, and the risk of abnormal wafer surface is avoided. Meanwhile, the heating structure in the temperature control unit can preheat the wafer, so that the heating time of the wafer in the etching chamber is saved.

The utility model relates to the field of dies, and discloses an auxiliary structure of an extrusion die, which comprises a base, a limit seat is arranged at the top of the base, a static die and a movable die are respectively fixedly arranged and movably arranged between the base and the limit seat, the static die and the movable die are matched and abutted against each other, a cylinder is arranged at the top of the limit seat, and a fixing frame is arranged at the driving end of the cylinder. The fixing frame is fixedly connected with the movable mold, a fixing hole is formed in the top of the movable mold, a sliding piece is arranged in the fixing frame in a sliding mode, an ejection piece is arranged at the bottom of the sliding piece, the ejection piece is inserted into the fixing hole in a sliding mode, a two-way lead screw is rotationally arranged in the fixing frame, and two nuts are connected to the two-way lead screw in a threaded and sleeved mode. The auxiliary structure of the extrusion die is convenient to operate and simple in principle, not only can be used for conveniently preparing a product, but also can be used for ejecting the product without damage after the product is cooled and molded, and in addition, the auxiliary structure of the extrusion die can also be used for automatically receiving materials, so that the auxiliary structure is convenient for assisting personnel to discharge materials.

The invention relates to the technical field of coal washing mechanisms, in particular to a cleaning type coal washing mechanism which comprises a mechanism body, by arranging the mechanism body, integration of coal washing and screening and coal and peat dewatering is achieved, and the problem that coal needs to be conveyed to the next step for subsequent treatment after being washed by existing equipment is solved. Through the arrangement of the cleaning mechanism, the vibration amplitude of a vibration screen plate and the angle adjustment of a first movable spray head and a second movable spray head are automatically adjusted according to the coal input amount, the problems that when a large amount of coal is input, the coal cannot be screened thoroughly, and the spray heads cannot be cleaned in place are solved, the production quality is improved, and the production rate is increased; the coal dewatering and peat dewatering device has the advantages that coal dewatering and peat dewatering are performed synchronously, the problem that existing equipment needs to clean cleaned coal through manual transportation is solved, production speed is increased, and work sites can be prevented from being stained in the transportation process.

This invention provides a method for preparing a foamed copper-based composite organic compound layer catalytic material, comprising the following steps: forming 8-hydroxyquinoline molybdenum (Mo(C)) on the surface of a foamed copper matrix. 9 H 6 NO) 4 Organic compound layer; 8-hydroxyquinoline molybdenum (Mo(C)) 9 H 6 NO) 4 The organic compound layer is converted into phthalimide 8-hydroxyquinoline molybdenum (C). 8 H 4 NO 2 ) 2 (C 9 H 6 NO) 2 ; Phthalimide 8-hydroxyquinoline molybdenum Mo(C) 8 H 4 NO 2 ) 2 (C 9 H 6 NO) 2 Conversion to copper phthalimide / 8-hydroxyquinoline molybdenum Cu(C) 8 H 4 NO 2 ) 2 / Mo(C 9 H 6 NO) 2 The foamed copper-based composite organic compound layer catalytic material is finally obtained. The catalytic material prepared by the method of this invention can effectively improve the Faradaic efficiency, ammonia selectivity, production rate, and nitrate removal rate of the electrochemical reduction of nitrate to ammonia technology.

The utility model relates to the technical field of sand box turnover machines, in particular to a sand box turnover machine with an active limiting mechanism, which is characterized in that a base is fixedly arranged below a support, a pressing plate is fixedly arranged at one end of a second power source piston rod, a friction pad is fixedly arranged on the lower surface of the pressing plate, and a cooling cleaning device is fixedly arranged on a first fixing block; a second air cylinder drives a pressing plate to move downwards, a friction pad fixed to the lower surface of the pressing plate conducts extrusion friction with the side wall of an overturning wheel, friction speed reduction is conducted on the overturning wheel, the overturning wheel is made to stay at the needed position, the overturning wheel is made to stay more stably, the second air cylinder is more sensitive and efficient in response, and a cooling machine is started to cool the sand box; after operation, a fourth hydraulic rod in a fifth fixing block drives a fixing plate to move up and down, the fixing plate drives a brush to move up and down to be attached to the upper surface of the sand box, a third hydraulic rod is started to drive the fifth fixing block to move left and right, impurities on the upper surface of the sand box are swept off, and product flaws are reduced.

The utility model discloses a cement production raw material sand mill, and relates to the technical field of cement production. Comprising a material receiving box, a sanding mechanism is slidably clamped to a box opening of the material receiving box, a smashing mechanism is fixed to the top of the sanding mechanism, the sanding mechanism comprises a shell, a feeding port is formed in one side of the top of the shell, and a rotating shaft is rotationally connected between the two sides of the inner wall of the shell. According to the utility model, the sanding mechanism is arranged, and the rotating plate and the scraping plate are additionally arranged in the sanding mechanism, so that when raw materials are ground, the raw materials which do not reach the standard can be received by the rotating scraping plate and the rotating plate, and the raw materials are conveyed to the grinding rod again to be ground under the continuous rotation of the scraping plate and the rotating plate; the raw material production speed is increased, and the raw material production quality is also improved.

The utility model discloses an automatic spheroidizing machine for nodular cast iron casting processing, which comprises a cooling box, the upper end face of the cooling box is fixedly connected with a stirring tank, the upper end face of the stirring tank is hermetically connected with a cover plate, and the lower end face of the stirring tank is fixedly connected with a pneumatic high-temperature butterfly valve. A third servo motor is fixedly connected to the lower end face of the cooling box, the output end of the third servo motor penetrates through the inner wall of the cooling box to be provided with a centrifugal box, a baffle is fixedly connected to the interior of the cooling box, a magnetic roller is rotationally connected to the interior of the cooling box, and a scraper is fixedly connected to the inner wall of the cooling box; the surface of the magnetic roller is slidably connected with and attached to one end of the scraper blade. The spheroidized iron particles thrown out through the centrifugal box can fall into the cooling liquid in the cooling box to be cooled, natural cooling is not needed, the cooling speed is increased through the cooling liquid, and meanwhile the production speed is increased.

The utility model discloses a DCC (dicyclohexylcarbodiimide) slurry treatment device for coal chemical industry, which solves the problem of environmental pollution caused by the DCC slurry at present, after the DCC slurry is conveyed to a clarification tank through a pipeline, impurities in the DCC slurry are removed through coagulating sedimentation, after the DCC slurry enters an aeration oxidation tank to form ammonium sulfate slurry, the DCC slurry is conveyed to a multi-stage evaporation component through a conveying pump to be evaporated and crystallized, and the DCC slurry is discharged from a discharge port. After the solid content and the density of the ammonium sulfate slurry are further improved, ammonium sulfate is separated and dried and packaged in an ammonium sulfate drying and packaging section, the device realizes efficient and low-cost treatment of the coal chemical industry DCC slurry, process switching and adjustment can be carried out according to the production operation condition, the production rate of the DCC slurry ammonium sulfate product is improved, and the production cost is reduced. The daily maintenance cost of equipment and facilities is effectively reduced, the national environment protection call is actively responded, and the pollution of DCC slurry, dust and the like to the environment and the harm to human health are effectively reduced.

The utility model provides a silica gel pad quick cooling setting equipment relates to cooling equipment technical field, include: lower mould, the upper side of lower mould is provided with the female die, and the downside of upper mould is provided with the male die, and the inside of female die and male die all is provided with cooling pipe, the right side of these cooling pipes is connected with the cooling shell, the utility model discloses carry out the cooling setting of silica gel pad in the mould, solved the problem of the deformation of easy occurrence in the cooling process of existing equipment, influence product quality.

The utility model provides a mould of a prefabricated wall, which belongs to the technical field of building, and comprises a main plate, three pull rings are fixedly connected to the upper surface of the main plate, two rotating shafts are symmetrically and fixedly connected to the two side surfaces and the lower surface of the main plate, three hinges are rotatably connected to the rotating shafts in a linear array, and the three hinges are fixedly connected to the lower surface of the main plate. The side face and the lower surface of the main plate are rotationally connected with a side plate and a bottom plate through hinges correspondingly, and the side face and the bottom face of the main plate are symmetrically and fixedly connected with a plurality of first fixing clamping blocks. The main plate is rotationally connected with the side plates and the bottom plate through the rotating shaft and the hinge, further reinforcement and stabilization are achieved through the fixing clamping block and the first screw, on the premise that the product quality is not affected, the process of inclined installation and mold removal is simplified for use of a prefabricated wall mold, and the production speed can be better increased.

This invention provides a rapid prototyping mold for glassware production, relating to the field of molding mold technology. It includes a frame component with a transmission mechanism mounted on it, and a molding mechanism mounted on the frame component. The transmission mechanism is driven and connected to the molding mechanism. The frame component includes a mounting base with a connecting sheet metal fixed to its lower surface. A motor bracket is fixed to one side of the mounting base. The purpose of this technical solution is to drive a bidirectional screw to rotate via a drive motor. Because the two threads on the bidirectional screw are opposite, the two movable sleeves on the bidirectional screw can move synchronously horizontally. Rotation can be achieved by adjusting the distance between the two movable sleeves. When the distance between the two movable sleeves is shortened, the two molding molds overlap, enabling rapid prototyping of glassware, improving the production rate and continuity of glassware molding, and thus increasing the production efficiency of the molding mold.

The invention discloses a trapezoidal blank manufacturing method, and relates to the technical field of free forging. The method comprises the following steps that 1, blanking is conducted, specifically, qualified forging rods are selected, and blanking is conducted according to the fixed specification and weight; (2) heating: heating the forging rod to 830 DEG C, charging the forging rod into a furnace, and then preserving the heat of the forging rod; an upper anvil and a lower anvil are preheated to 200-300 DEG C in advance, the upper anvil face and the lower anvil face are permitted to be preheated through a preheated blank, forging is conducted after the blank reaches the temperature, and the forging process comprises local upsetting, local drawing-out, flattening and shaping. The forming die forging step is omitted, a special die does not need to be designed, the time for designing and machining the die is saved, the production cycle time is shortened, the step is simplified, the forging difficulty is lowered, the production rate is increased, forming can be achieved only through one heating number in the whole deformation process, and the production efficiency is improved. The influence of repeated heating on the product quality is reduced, the energy waste is reduced, and the production cost is reduced.

The utility model discloses a passivation device for a silicon-based half battery piece. The passivation device comprises a substrate, a conveying table, a passivation solution storage box, a deflection brush and a linkage piece, the conveying table is arranged on the substrate, and a conveying belt is embedded in the upper surface of the conveying table and used for conveying half battery pieces. The passivation solution storage box is arranged on the base plate and located on one side of the conveying table. The deflection brush is rotationally connected with the conveying table through a rotating shaft, and one end of the rotating shaft extends into the conveying belt; the linkage piece is arranged between the rotating shaft and the conveying belt, and when the conveying belt runs, the rotating shaft can drive the deflection brush to intermittently deflect to the position above the conveying table; and when the rotating shaft is not subjected to the acting force of the linkage piece, the rotating shaft resets, so that the deflection brush deflects into the passivation solution storage box. By means of the device, in the process that the conveying belt conveys the half battery piece, the tangent plane of the half battery piece can be automatically passivated, the passivation rate is effectively improved, the production rate is correspondingly improved, and the working intensity of workers can be effectively reduced.

The application discloses a white tea processing technology and belongs to the technical field of tea processing. The white tea processing technology comprises picking, withering, drying and cake pressing. Multiple withering racks can be placed in a withering room during withering. Multiple liftable air curtain machines are arranged on the inner walls of the opposite sides of the withering room. During withering, the air outlet directions of the air curtain machines on the opposite sides are oppositely arranged, one side moves downwards from the top, and the other side moves upwards from the bottom. The air curtain machines reciprocate during operation, each operation lasts for 20-30 minutes, and each operation is followed by a pause of 10-15 minutes. After the air direction of the air curtain machine is adjusted, the air curtain machine is operated again, and the operation is repeated. After the overall application, the single withering amount of tea leaves is much larger than that of a withering groove, and the tea leaf production rate is improved. The air in the whole withering room is circulated during the whole withering process, the withering of tea leaves is more uniform, and the withering effect of tea leaves is better.

The yarn feeder comprises a guide plate, a yarn guide plate and a yarn feeding plate, an embedding opening is formed in the lower end of the guide plate, a pressing mechanism is arranged in the embedding opening, and the pressing mechanism comprises a pull rod, a sliding block and a reset spring, so that when a user installs or replaces the yarn feeding plate, the yarn feeding plate is pressed towards the embedding opening, and the yarn feeding plate is pressed towards the sliding block. The yarn feeding plate can push the sliding block to move inwards, and in the moving process of the sliding block, the pull rod moves along the path of the guide groove, so that the position of the yarn feeding plate is changed, the yarn feeding plate can be fixed in the embedding opening to achieve connection, the yarn feeding plate with a damaged porcelain eye can be rapidly detached from the guide plate, and the yarn feeding plate is convenient to use. Rapid and convenient installation and disassembly of the porcelain eye are realized.