60results about How to "Continuous and stable production" patented technology

The invention relates to a rubber material pretreatment control device, which solves the problems that the quality of extruded half parts is poor, the product quality stability is influenced and the subsequent process operation is not easy to control due to poor thermoplastic plastication of an extruder on raw sheet rubber in the production, and is provided with a bracket, a PLC (Programmable Logic Controller) control system, a first temperature detection probe and a temperature control system, the temperature control system is provided with a circulating water temperature control device, an electromagnetic valve, a heating roller and a power system, the PLC control system, the first temperature detection probe, the circulating water temperature control device and the heating roller are installed on the support, the electromagnetic valve is installed on the heating roller, and the power system is connected with the heating roller. The PLC control system is electrically connected with the first temperature detection probe, the electromagnetic valve and the circulating water temperature control device, and the circulating water temperature control device is connected with the heating roller. The device is used in the field of sizing material heating pretreatment.

The present application relates to the technical field of stainless steel thin strip continuous casting, and provides a method for improving the solidification stability of thin strip continuous casting stainless steel, which comprises the following steps: obtaining an initial parameter set of the thin strip; obtaining an initial process parameter set; performing thin strip continuous casting in combination with the obtained process parameter set; measuring the molten pool liquid level, the casting and rolling force, the casting roll surface temperature and the casting strip surface temperature in real time during the thin strip continuous casting process; judging according to a judgment condition; if adjustment is needed, obtaining an adjusted process parameter set and returning; otherwise, proceeding to the next step; completing the thin strip continuous casting to obtain a thin strip product. In the present application, the molten pool liquid level, the casting and rolling force, the casting roll surface temperature and the casting strip surface temperature during the thin strip continuous casting process are measured in real time and judged according to corresponding judgment conditions, and through the establishment of real-time collaborative control of "liquid level-heat transfer-casting and rolling force-roll gap", the surface quality and the microstructure uniformity are improved while ensuring the continuous and stable production of stainless steel casting strip with a thickness of ≤2 mm.

This utility model discloses a safe and reliable horizontal machining center production line. The production line includes a horizontal machining center, a transport vehicle, a loading / unloading station, and a production line control cabinet. The horizontal machining center includes a main machine, an APC rotary table, and an exchange table. The machining area of ​​the main machine and the waiting area of ​​the production line are separated by a first lifting door. A fence is installed in the waiting area. A second lifting door is installed between the loading / unloading station and the fence. The loading / unloading station includes safety protection devices, a loading / unloading station workbench, a workbench rotation and push-pull mechanism, a loading / unloading station operation panel, and light strips. The safety protection devices include a front light curtain, a rear light curtain, and a magnetic switch. The loading / unloading station operation panel is equipped with a first emergency stop button and a light curtain reset button. This production line can ensure continuous and stable production and improve production efficiency, effectively isolate personnel from hazardous areas, and reduce maintenance costs caused by unexpected downtime and equipment damage. It provides a solution for enterprises to continuously reduce operating costs and improve production safety and reliability.

The utility model relates to a single-flow filtering device for a secondary cooling spraying system of a billet continuous casting machine. The single-flow filtering device comprises a main path filtering assembly and a bypass filtering assembly, and the main path filter assembly and the bypass filter assembly are correspondingly arranged on cooling water paths of the secondary cooling area in parallel. The main path filtering assembly and the bypass filtering assembly are additionally arranged on each cooling water path of the secondary cooling area of the small square billet continuous casting machine, and the valves are arranged for reciprocating switching, so that the blocking rate of the nozzles in the secondary cooling area is reduced, and meanwhile, the other path can be switched after one path of filter is blocked, so that the service life of the small square billet continuous casting machine is prolonged. Therefore, the continuity and the stability of production are ensured.

The present invention relates to the field of electrochemical materials, and in particular to a method for synchronously and continuously preparing a lithium iron phosphate precursor and hydrogen and its application. The preparation method uses iron metal as a working electrode and a hydrogen evolution reaction counter electrode material as a counter electrode, and electrolysis occurs in an acidic electrolyte or a neutral electrolyte to prepare hydrogen and a lithium iron phosphate precursor. The method has the advantages of low cost, high safety, good cycle performance, good reaction sustainability, and high yield.

The utility model provides a low-temperature air separation device. The low-temperature air separation device comprises a filter tank, a filter plate is mounted in the filter tank, an air inlet is formed in the left side of the filter tank, an inlet pipe is fixedly connected to the left side of the filter tank, a filter screen is mounted on the left side of the inlet pipe, a first pipe is fixedly connected to the right side of the filter tank, and an adsorption bin is arranged on the first pipe; an adsorption layer is arranged in the adsorption bin, sponge is arranged in the adsorption bin, a water bin is fixedly connected to the bottom of the adsorption bin, and a drainage pipe is fixedly connected to the bottom of the water bin. The low-temperature air separation device provided by the utility model has the effects of enabling the production process to be carried out stably and shortening the production period.

The present invention provides a multi-cold source conversion device for a data center, which is provided with a refrigerator, a cooling tower and a plate heat exchanger. When the refrigerator provides cooling, the evaporator, the chilled water supply pipe, the load device, the chilled water return pipe, and the first water pump form a circulating refrigeration loop, and the refrigerator provides cooling and cooling for the load device. When the refrigerator and the plate heat exchanger jointly provide cooling, the evaporator, the chilled water supply pipe, the load device, the chilled water return pipe, the first water pump, and the plate heat exchanger form a circulating loop, and the plate heat exchanger and the refrigerator simultaneously provide cooling and cooling for the load device. When the plate heat exchanger provides cooling, the plate heat exchanger, the chilled water return pipe, the chilled water supply pipe, the load device, and the first water pump form a circulating loop, and the plate heat exchanger provides cooling and cooling for the load device. The entire device is also provided with a third water pump and a converging three-way valve, which ensure the effective operation of the refrigerator, so that the refrigerator and the plate heat exchanger jointly provide cooling, and the plate heat exchanger provides cooling for free to achieve a smooth transition.

The invention relates to the technical field of suspension conveying, and discloses a base plate feeding device of a folder production streamline, the base plate feeding device of the folder production streamline comprises a base plate, the outer surface of the base plate is provided with a diagonal clamping mechanism, the outer surface of the diagonal clamping mechanism is rotatably connected with a support, and the support is rotatably connected with the base plate. The inner part of the bracket is rotatably connected with a roller, the inner part of the bracket is rotatably connected with an auxiliary laminating mechanism, the outer surface of the bracket is fixedly connected with an adjusting and positioning mechanism, the diagonal clamping mechanism comprises a first screw rod, the first screw rod is rotatably connected with the inner part of the bracket, and the outer surface of the first screw rod is in threaded connection with a first sliding block; according to the technical scheme, the base plates of different sizes, shapes and materials can be positioned and clamped, short-distance movement can be carried out, the top unstacking can be carried out, feeding and conveying are completed in cooperation with production main body equipment, the connection problem is reduced, and the production efficiency and the product quality are improved.

A die for producing titanium alloy cylinder forgings comprises an upper die, a lower die and a heat-resistant bearing base, wherein the upper die is arranged above the lower die, the lower die is fixedly arranged on the heat-resistant bearing base, the cross section of the upper die is T-shaped, a first through groove is arranged in the lower die, a stop is arranged at the lower end of the first through groove, the upper end surface of the stop is a conical surface, a second through groove is arranged in the heat-resistant bearing base, and the upper die is coaxially arranged with the first through groove and the second through groove. The present invention can utilize the latter forging blank to extrude the former forging, and then after the forging is formed, the forging can be directly taken out from the second through groove of the heat-resistant base, thereby eliminating the ejection device, reducing the friction between the forging and the working surface of the lower die, increasing the surface quality of the forging, reducing the wear of the working surface of the lower die, and realizing the continuous and stable production of the isothermal forging of the cylinder, thereby improving the production efficiency.

The present application relates to the field of asphalt mixture production equipment, and discloses an asphalt mixture stirring production equipment with heat energy recovery and a production method, the production equipment comprises a regenerated drying roller, a primary drying roller, a dust removal system, a preheating system, a cyclone dust collector and an incinerator; the gas outlet end of the regenerated drying roller is connected with the gas inlet end of the cyclone dust collector, the gas outlet end of the cyclone dust collector is connected with the incinerator, the incinerator is connected with the gas inlet end of the preheating system; the gas outlet end of the preheating system and the gas outlet end of the primary drying roller are both connected with the dust removal system, and the discharge end of the preheating system is connected with the feeding end of the primary drying roller.The present application has the following advantages: the high-temperature tail gas heat energy discharged from the incinerator can be converted into preheating energy of the primary aggregate, so that the tail gas pollution problem is solved thoroughly, the energy recycling is realized, and the equipment energy consumption and operation cost are effectively reduced.

The invention discloses a polymeric kettle stirrer power supply or energy storage system and method utilizing waste heat, and belongs to the technical field of energy recycling, the system comprises a waste heat conversion module, the energy output end of the waste heat conversion module is connected with the input end of an energy storage module and the input end of a stirring driving module, and the stirring driving module is connected with the energy storage module. The output end of the energy storage module is connected with the input end of the stirring driving module, and the output end of the stirring driving module is in transmission connection with a polymerization kettle stirrer; the waste heat conversion module is used for converting waste heat into mechanical energy and amplifying the output acting force converted from the mechanical energy; the energy storage module is used for storing energy output by the waste heat conversion module; and the stirring driving module is used for receiving the amplified acting force output by the waste heat conversion module or the stored energy output by the energy storage module and driving a stirrer in the polymerization kettle to operate. Effective conversion of waste heat and recovery of tail gas moisture can be achieved, the resource utilization rate is increased, and accident load investment of the stirrer is reduced.

This invention discloses a device for solving the problem of excessive carbonyl compounds in 1,3-butadiene products, belonging to the field of butadiene production technology. The device includes a light-light-removal tower reflux tank, a light-light-removal tower reflux pump, a two-stage gas-liquid separator, and a hydrogenation product cooler. It also achieves material control and safety assurance through multiple pipelines with valves: the outlet of the light-light-removal tower reflux pump is connected to the pipeline refluxing the light-light-removal tower, the pipeline from the external source to the hydrogenation C4 feed tank, and the pipeline refluxing the light-light-removal tower reflux tank. The light-light-removal tower reflux tank is connected to a safety valve through pipelines, and the external source pipeline is linked to the safety valve flushing pipeline. The hydrogenation side material is cooled and then transported in separate channels. The material enriched with carbonyl compounds at the top of the light-light-removal tower is extracted directionally. The device has a simple structure, strong practicality, and ensures stable operation and economic benefits.

The novel point cooling device comprises a point cooling head, a water conveying ring and a water conveying pipe, a water conveying ring mounting hole, a necking hole and a water return hole are formed in the point cooling head in a mutually communicated mode, a water inlet port and a water outlet port are formed in the peripheral wall of the point cooling head and used for mounting a water inlet and a water outlet respectively, and the water inlet port and the water outlet port are communicated with the water conveying ring mounting hole and the water return hole respectively. The water conveying ring is formed into a cylinder with a hollow blind hole part, the peripheral surface of the cylinder comprises a matching surface I and a matching surface II which are matched with the water conveying ring mounting hole, a water inlet hole is formed in a concave part between the matching surface I and the matching surface II, and the water inlet hole communicates the water inlet with the hollow blind hole part of the water conveying ring. And a water conveying pipe mounting hole processed at the bottom of the water conveying ring forms an opening part of the hollow blind hole part and is used for assembling a water conveying pipe. The casting mold comprises the water cooling hole formed in the area needing to be cooled and the point cooling device installed in the water cooling hole through the third double nipple, and therefore the casting mold is simple in structure, low in manufacturing cost and high in stability.

The utility model discloses an ink quick-drying device after carton printing, and relates to the technical field of carton production. The carton printing device mainly comprises a conveying assembly, a printing assembly and a control assembly, wherein the conveying assembly is used for conveying printed cartons; the drying assembly comprises a drying box installed at the top of the bearing frame, inlets and outlets are formed in the two opposite sides of the drying box, sealing doors are slidably installed on the two opposite sides of the drying box, a driving part used for controlling the two sealing doors to move synchronously is arranged on the drying box, and an industrial drying machine is arranged below the bearing frame. The air outlet end of the industrial dryer is connected with an air outlet pipe communicating with the drying box, and an exhaust pipe is arranged at the top of the drying box. Through the design of automatic conveying and rapid drying, manual operation is reduced, the production period is shortened, the production efficiency is improved, the labor cost is reduced, and continuous and stable production can be achieved.

This invention belongs to the field of condensate recovery, specifically relating to a condensate recovery system and method for steam transmission pipelines. The system includes a steam main pipe and an inlet pipe. The inlet pipe is fixedly connected to the steam main pipe, and a recovery assembly is installed on the inlet pipe. The recovery assembly includes a drain valve, which is fixedly connected to the inlet pipe. A filter pipe is fixedly installed at the end of the drain valve away from the inlet pipe, and a Y-type filter is fixedly installed at the end of the filter pipe away from the drain valve. An input pipe is fixedly connected to the Y-type filter. This condensate recovery system and method for steam transmission pipelines achieves full condensate recovery through the synergistic action of the recovery components. The recovered condensate can be reused according to production needs, effectively improving resource utilization efficiency, reducing fresh water consumption, and aligning with the concept of green production.

This invention discloses an electrical control system for a hydraulic station for opening and plugging holes in a submerged arc furnace, comprising a power supply circuit, a main control switch K3, a first sub-control switch K1, a second sub-control switch K2, a first execution control unit, and a second execution control unit. The first sub-control switch K1 is connected in series with the end of the main control switch K3 furthest from the power supply circuit; the second sub-control switch K2 is connected in series with the end of the main control switch K3 furthest from the power supply circuit; the first execution control unit is connected in series with the end of the first sub-control switch K1 furthest from the main control switch K3; and the second execution control unit is connected in series with the end of the second sub-control switch K2 furthest from the main control switch K3. This scheme controls oil pump No. 1 through the first sub-control switch K1 and the first execution control unit, and controls oil pump No. 2 through the second sub-control switch K2 and the second execution control unit. This ensures that even if one oil pump malfunctions during the opening and plugging of the holes, the other oil pump can still guarantee continuous and stable production.

The pouring system for continuous rheological extrusion of liquid nonferrous metals includes a melting furnace, a holding furnace, a flow channel docking device, a flow channel device, a continuous rheological extruder, a cooling device, a guide frame and a storage device. The melting furnace and the holding furnace are electromagnetic induction furnaces. The bottom of the crucible is provided with a bottom channel, and the bottom channel is opened and closed by a plunger valve. The bottom channel of the crucible is connected to the flow channel device with a heat preservation function through a flow channel docking device. The melting furnace and the holding furnace, as well as the holding furnace and the continuous rheological extruder, are connected through the flow channel device. The cooling device, the guide frame and the storage device are sequentially arranged after the continuous rheological extruder. The beneficial effect is that the problems of unstable pouring temperature and pouring speed in the continuous rheological extrusion production process are solved, and it has the advantages of being able to refine grains, reduce casting defects, shorten the process, and be energy-efficient; strong adaptability, unlimited product length, good quality; small investment, and low production cost.

The invention discloses an efficient sebastes schlegeli deep-sea culture method, and relates to the technical field of sebastes schlegeli deep-sea culture devices, in particular to an efficient sebastes schlegeli deep-sea culture method which is characterized by comprising the following steps: A, culture stage division: sea area culture of sebastes schlegeli is divided into two stages, the two stages include the intermediate breeding stage and the cultivating stage, the weight specification of a single sebastes schlegeli in the intermediate breeding stage is 10-200 g, and the weight specification of a single sebastes schlegeli in the cultivating stage is 200-500 g; according to the method, 10g-500g of sebastes schlegeli is bred in two stages, 10g-200g of sebastes schlegeli is an intermediate breeding stage, and the sebastes schlegeli is small in fry specification, poor in wind and wave resistance and suitable for offshore breeding; 200-500 g of the sebastes schlegeli larvae are large in specification and high in wind and wave resistance, and then the sebastes schlegeli larvae are transferred to deep and far sea areas which are wide in sea area, smooth in water flow and large in space to be cultivated, so that the survival rate and the quality of the sebastes schlegeli are improved.

The invention discloses a preparation method of polyolefin fiber, its product and application, and relates to the technical field of fiber production. The specific steps of the preparation method are as follows: S1, mixing a silane coupling agent, a dispersant and an organic solvent to obtain a treatment liquid; S2, uniformly dispersing the treatment liquid on fully dried ceramic fibers, and stirring at high speed, wherein the ceramic fibers are a mixture of nano-alumina, micron-alumina, nano-silicon dioxide and micron-silicon dioxide; S3, premixing polyolefin powder and treated ceramic fibers at high speed to obtain an anti-cutting functional masterbatch, and then melt spinning to obtain polyolefin fibers. The invention greatly improves the strength, wear resistance, softness, comfort, hygroscopicity and air permeability of the prepared polyolefin fibers, thereby greatly improving the anti-cutting performance, feel and comfort of the polyolefin fibers.

The invention discloses a modular nitrogen generator, which relates to the technical field of nitrogen generators. The modular nitrogen generator comprises a filter ventilation pipe and a nitrogen efficiency analysis system. An adsorption tower A is installed on the outer surface of a first air intake pipe, and an adsorption tower B is installed on the outer surface of a second air intake pipe. The modular nitrogen generator guides part of the filtered gas to the adsorption tower A through the first air intake pipe and the adsorption tower B through the second air intake pipe, so that the filtered gas can be continuously processed, and its load capacity is increased, thereby effectively sharing the workload of the adsorption tower A, ensuring that the adsorption tower A can still maintain efficient adsorption when the molecular sieve is about to reach saturation, thereby achieving the maximum efficiency of nitrogen production, ensuring continuous and stable efficient production, ensuring the final nitrogen quality is stable, and meeting user needs.

The application relates to the technical field of extruder equipment, in particular to a temperature control device of an extruder capable of self-adaptive dynamic stirring and cooling, which comprises a rack, a direct current motor, a gear box, a feeding box, an extrusion screw, a screw sleeve and a discharge port are arranged on the rack respectively, the front and rear ends of the extrusion screw are communicated with the feeding box and the discharge port respectively, a cooling plate and a stirring shaft are additionally arranged at the feeding box, a plurality of stirring plates are integrally formed on the circumferential side of the stirring shaft, the plurality of stirring plates are evenly distributed on the circumferential side of the stirring shaft at intervals, and the cooling plate is used for cooling and cooling down the stirring plates. The purpose of the application is to break the static accumulation state of plastic particles in the feeding box, realize the dynamic rolling and mixing of the particles, make the particles fully contact with the cooling medium, effectively ensure the continuous and stable discharging of the plastic particles, realize the efficient cooling and uniform conveying of the high-temperature plastic particles, and improve the overall operation stability of the extruder and the product quality.

This invention relates to the field of building materials technology, and more specifically, to a high-fluidity, micro-expansion multi-solid waste grouting repair material and its preparation process, comprising a cementitious material system, composite solid waste admixture, aggregate, water, and water-reducing agent, characterized in that it is composed of the following components by weight: 48-60 parts of the cementitious material system, which is compounded from 42.5 ordinary Portland cement, 42.5 composite Portland cement, and 42.5R rapid-hardening sulfoaluminate cement in a ratio of (20-60)%: (20-60)%: (5-15)%; 12-20 parts of the composite solid waste admixture, including... The material is composed of lithium slag powder, metakaolin, titanium slag powder, limestone powder, and steel slag powder, with a mass ratio of (20-40)%: (10-20)%: (17-25)%: (10-18)%: (10-23)%; 18-25 parts of aggregate, including continuously graded sand (0-4.75mm) composed of spherical steel slag sand and titanium slag aggregate; 17-23 parts of water; and 0.2-0.5 parts of water-reducing agent. This invention solves the problems of insufficient early strength, high cost, large loss of fluidity, and dependence on admixtures for expansion in existing grouting repair materials.

The embodiment of the utility model discloses a mold. The mold comprises a mold core assembly, an insert pin and an elastic reset piece. The mold core assembly comprises a front mold core and a rear mold core, the front mold core and the rear mold core are used for limiting and forming a workpiece cavity, and a communicating hole communicating with the workpiece cavity is formed in the front mold core or the rear mold core; the insert pin is movably arranged in the communicating hole in the mold opening and closing direction of the mold, and the end, close to the workpiece cavity, of the insert pin extends out of the communicating hole. When the mold is in a mold closing state, the elastic reset piece is in an elastic deformation state, and the end, extending out of the communicating hole, of the insert pin abuts against the cavity wall of the workpiece cavity under the action of the elastic reset piece. According to the die, the reliability of the die can be improved, and meanwhile the probability that burrs are generated at the bumping and perforating positions of a product can be reduced.

The utility model provides a safe and environment-friendly nitration reaction system which comprises a micro-channel reactor, a dynamic tubular reactor, a first phase splitter, a nitric acid concentration unit, a circulating pump, a temperature sensor and an overtemperature safety interlocking system, a nitric acid outlet of the nitric acid concentration unit is communicated with a nitric acid inlet of the micro-channel reactor and a nitric acid inlet of the dynamic tubular reactor, the temperature sensor is arranged at the nitric acid inlet of the micro-channel reactor and the nitric acid inlet of the dynamic tubular reactor, and the overtemperature safety interlocking system is connected with the temperature sensor. According to the reaction system provided by the utility model, the temperature sensor and the overtemperature safety interlocking system are arranged, so that continuous and stable production is ensured, and the safety of automation and production is improved. And by arranging the first phase splitter and the nitric acid concentration unit, the generation of waste salt is reduced, and the environmental pollution is small.

The utility model discloses a kind of vacuum slurry production lines, it is related to precision casting technical field, to solve the problem of traditional slurry process low efficiency, slurry thickness uneven and bubble containing.The production line is mainly composed of slurry bucket, vacuum machine, sanding machine, blowing module and multi-axis manipulator. Among them, slurry bucket is used to perform slurry operation to workpiece;Blowing module is located above slurry bucket, can carry out blowing treatment to workpiece after slurry, to remove excess slurry;Vacuum machine is used to carry out vacuumizing to workpiece, eliminate bubble in slurry;Sanding machine is responsible for completing sanding to slurry workpiece;Multi-axis manipulator is connected with the clamp of grabbing workpiece, can grab workpiece and drive it to move between slurry bucket, vacuum machine, sanding machine and blowing module, realize whole-process transfer.This production line is through the cooperation of multiple equipment and automatic transfer, improve slurry efficiency and shell quality, meet the high-quality demand of precision casting to shell, applicable to the precision shell production of high-end manufacturing field.

The utility model relates to ink filling technology field, and disclose automatic ink filling and labeling all -in -one, including work table, still include piston cylinder, piston cylinder fixedly connected at work table top, one end of piston cylinder is fixed and has the switch valve of intercommunication, the top of switch valve is fixed and has the ink fountain of intercommunication, the other side of switch valve is fixed and has the ink injection pipe of intercommunication, and work table top is provided with the liquid guide portion that transports the ink in ink fountain to the ink injection pipe in, the utility model discloses through the sliding of piston block in piston cylinder, cooperate the setting of switch valve, first, then by piston cylinder is transported to the ink injection pipe from the ink in ink fountain suction, cooperate the setting of jacking pneumatic cylinder and gravity sensor, the weighing of ink jar is carried out, then the ink in ink injection pipe is injected to the ink in ink jar, realizes accurate quantitative filling, ensures the filling quality, and also can judge the function of quantitative solenoid valve whether there is a fault through weighing data, so as to carry out timely repair.

The utility model relates to the technical field of bag discharging machines, in particular to a bag discharging machine capable of rapidly replacing bag types, which comprises a bag discharging machine body and a mounting rack, the mounting rack is fixed on the back of the bag discharging machine body, and the rear end of the mounting rack is rotatably connected with a double-station charging barrel assembly; the double-station charging barrel assembly comprises a discharging barrel, the top and the bottom of the discharging barrel are each provided with a mounting cavity, a limiting hole and a positioning cavity, automatic ejection mechanisms are mounted at the two ends of the interior of each mounting cavity, a set of spring telescopic rods are fixed to the two sides of the bottom end of the interior of each mounting cavity, and each automatic ejection mechanism comprises a driving base which is slidably arranged in the corresponding mounting cavity. According to the automatic bag replacing device, the problems that due to the fact that an infrared detector is prone to being blocked by a bag body, detection is inaccurate, and materials are used up and cannot be ejected out in time are solved, rapid bag replacing is achieved, and the efficiency of a packaging assembly line and the production stability are improved.

The utility model relates to the technical field of tweezers heating, and discloses an automatic tweezers clamping end heating device which comprises a supporting bottom plate, a fixing plate is fixedly connected to the left side of the top of the supporting bottom plate, a plurality of sliding grooves are formed in the top of the fixing plate, and T-shaped blocks are connected to the inner walls of the sliding grooves in a sliding mode. A clamping plate is fixedly connected between every two adjacent T-shaped blocks, long tweezers are clamped to the adjacent sides of the clamping plates, a plurality of holes are formed in the left side and the right side of the top of each clamping plate, the left side and the right side of the top of the fixing plate are each fixedly connected with two fixing blocks, and a short rod is fixedly connected between every two adjacent fixing blocks. According to the long tweezers heating device, long tweezers are fixed by pushing the clamping plates on the two sides, so that the long tweezers are not prone to shifting in the heating process, the stability of the long tweezers in the heating process is guaranteed, meanwhile, different positions are fixed by clamping the L-shaped plates and the holes, different working requirements are met, and it is guaranteed that the heating effect meets the requirement.

This utility model discloses an oil-fillable hanger and bushing combination device, including a hanger beam, a square tube lifting rod, an oil filling assembly, an assembled bushing, and an anti-detachment chuck. Its features are: (1) The oil filling assembly consists of an oil filling hopper and an oil filling conduit. The oil filling conduit passes sequentially from top to bottom through the oil hole in the middle of the hanger beam, the square tube lifting rod, and the oil hole in the center of the upper end face of the assembled bushing. After adding lubricating oil to the oil filling hopper of the oil filling assembly, the lubricating oil flows directly... (1) The nylon bushing and the rotating body of the coupling are precisely lubricated inside the assembled bushing; (2) Anti-detachment chucks are installed on both sides of the assembled bushing. The inner diameter of the anti-detachment chuck is slightly smaller than the inner diameter of the assembled bushing and slightly larger than the inner diameter of the inner circle formed by the nylon bushing. It is fixed on both sides of the assembled bushing. The anti-detachment chuck is tightened on both sides of the assembled bushing with bolts. It can hold the nylon bushing tightly and prevent the nylon bushing from coming out. In summary, it is more convenient and faster to lubricate, adjust or replace the nylon bushing.

The invention relates to the technical field of copper electrolytic refining, in particular to an electrolyte acid copper balance control method suitable for copper electrolytic production, which comprises the following steps of: conveying electrolyte in an electrolytic production system to a first-section copper removal front liquid tank through a pipeline pump for first-section electrodeposition copper removal to produce first-section electrodeposition rear liquid and electrodeposition copper; sixteen copper removal electrolytic cells for second-stage copper removal in a clean liquid impurity removal system are connected in series and merged into first-stage electrodeposition copper removal, and first-stage electrodeposition / second-stage copper removal production is flexibly carried out according to the copper ion concentration of the electrolyte; one part of the first-section electrodeposited liquid enters an independent circulating system of an electrolysis production system to participate in circulation; according to the method, continuous and stable production of the electrolysis system under the conditions of 368 A / m < 2 > high current density and a high-grade anode plate with the Cu content of 99.4% is achieved, copper which is originally opened in the form of crude copper sulfate is output in the form of high-quality electro-deposited copper, the quality of the electro-deposited copper reaches the A-grade copper standard, and the comprehensive copper recovery rate of the electrolysis system is increased on the premise that system acid-copper balance is achieved.