85results about How to "Achieve cycle" patented technology

This application provides a heat dissipation device and electronic device, including: a condenser having an internally vacuumed and sealed cavity; a liquid pipe containing a liquid working fluid, one end of which is connected to the condenser; a compensation chamber having an internally vacuumed and sealed cavity, through which the liquid pipe passes and communicates with the compensation chamber, and a liquid-absorbing core covering the surface of the liquid pipe within the compensation chamber; an evaporator having an internally vacuumed and sealed cylindrical structure, comprising a vapor channel, a first capillary core, and a second capillary core stacked sequentially from the outer wall surface of the cylindrical structure to the central axis, the other end of which penetrates a portion of the evaporator, and the second capillary core covering a portion of the surface of the liquid pipe; a gas pipe, one end of which is connected to the vapor channel, and the other end of which is connected to the condenser; and a heat-conducting plate covering the outer surface of the evaporator. The heat dissipation device and electronic device provided in this application embodiment at least improve the heat dissipation efficiency of electronic devices.

The utility model relates to the technical field of coal dressing, in particular to a magnetic separator tailing overflow self-circulation water replenishing device which comprises a magnetic separator, a feeding port of the magnetic separator is connected with a dilute medium barrel through a feeding pipe, a water pump is arranged on the feeding pipe, a water inlet of the dilute medium barrel is connected with a water replenishing pipeline, and an overflow pipe of the magnetic separator is located above an opening of the dilute medium barrel. An overflow pipe of the magnetic separator is connected with one end of a backflow pipeline, the other end of the backflow pipeline is located above the dilute medium barrel and close to an opening of the dilute medium barrel, and water overflowing from the overflow pipe of the magnetic separator flows into the dilute medium barrel through the backflow pipeline under the action of gravity. According to the utility model, water overflowing from the overflow pipeline of the magnetic separator can automatically flow to the dilute medium barrel to be used as replenished water, so that the circulation of water resources in the coal dressing system is realized, the use of external water is reduced, additional equipment is not needed, and unnecessary power consumption is effectively reduced, energy is saved and consumption is reduced while the production process is stabilized.

The application belongs to the technical field of methanol preparation, and particularly relates to a device and a preparation method for preparing methanol by combining carbon dioxide hydrogenation with chemical chain combustion, which comprises a power generation system, an electrolytic cell, a chemical chain combustion reactor, a pure oxygen supplement combustion chamber and a methanol reaction unit. The power generation system is connected with the electrolytic cell. Oxygen generated by electrolysis of the electrolytic cell is connected with the chemical chain combustion reactor through a first pipeline. Oxygen generated by electrolysis of the electrolytic cell is connected with the pure oxygen supplement combustion chamber through a second pipeline. The chemical chain combustion reactor is connected with a raw material pipeline. The top of the chemical chain combustion reactor is connected with the pure oxygen supplement combustion chamber through a third pipeline. The pure oxygen supplement combustion chamber is connected with the methanol reaction unit through a fourth pipeline. Hydrogen generated by electrolysis of the electrolytic cell is connected with the methanol reaction unit through a fifth pipeline. Reaction products are discharged through a sixth pipeline.

This invention discloses a method for preparing nickel-cobalt-manganese lithium oxide batteries from retired lithium cobalt oxide and lithium manganese oxide battery cathode materials. (1) After pretreatment processes such as discharge, disassembly, crushing, and sieving, retired lithium cobalt oxide and lithium manganese oxide batteries are obtained as cathode materials respectively. (2) The two cathode materials are mixed with NiSO4·7H2O and NiCO3 in a certain proportion and then calcined at high temperature for a period of time. (3) The calcined product obtained in the second step is thoroughly ground and then leached with deionized water to obtain lithium sulfate leachate and ternary precursor (leaching residue). (4) The lithium sulfate leachate is evaporated and concentrated, sodium hydroxide is added to adjust the pH, and then sodium carbonate is added for precipitation to obtain lithium carbonate product. This invention has the characteristics of simple process, green environmental protection and high utilization efficiency. It combines resource recycling with high-performance material regeneration and provides a sustainable solution for the recycling of waste lithium-ion battery cathode materials.

This utility model discloses a surface spraying device for stainless steel castings, relating to the field of stainless steel casting processing technology. It includes a spraying box, and further comprises: a moving mechanism mounted on the spraying box, a spraying mechanism mounted on the spraying box, a filter collection mechanism mounted on the spraying box, a vacuum pump, a gas purification box, a blower housing, a first connecting pipe, and a second connecting pipe. Through the cooperation of the filter collection mechanism, vacuum pump, gas purification box, blower housing, first connecting pipe, and second connecting pipe, air circulation within the spraying box is achieved. This allows the gas purification box to purify the exhaust gas generated during the spraying process, and allows dust on the surface of the stainless steel castings to be collected in the filter collection mechanism, improving the coating adhesion effect. Furthermore, the air within the spraying box is discharged after purification, preventing pollution of the workshop environment and reducing harm to the health of operators.

The present application belongs to the field of textile printing and dyeing technology, and particularly relates to a polyester fabric continuous pad dyeing device and pad dyeing process, which comprises a pad dyeing frame; a feeding roller is arranged on one side of the top of the pad dyeing frame, and a tension roller is arranged below the feeding roller; through the design of a mixed turbulent flow component, the dye is delivered to the inner and outer rotating rods by a circulating pump to realize dye circulation; the fabric advances to drive the guide wheel to rotate, drives the first driving wheel and the first driven wheel, and makes the inner rotating rod rotate reversely; the spiral plate agitates the dye; at the same time, the motor drives the third driving wheel to drive the axial stirring rod to stir the dyeing liquid in the same direction; the outer rotating rod uniformly sprays the dye; the design of the staggered arrangement of the spiral plates, the liquid outlet holes and the diffusion holes further enhances the mixing effect; multiple components cooperate to stir the dye from multiple directions, avoids stratified precipitation, ensures uniform dye concentration, greatly improves the mixing efficiency compared with the traditional method, effectively solves the dyeing color difference problem, and significantly improves the dyeing uniformity and product quality.

The utility model discloses cleaning equipment for shelling nuts, which relates to the technical field of nut processing and comprises a cleaning bin, and a conveying component is arranged on the inner side of the cleaning bin. A lower spraying assembly is arranged below the conveying assembly, and an upper spraying assembly is arranged above the conveying assembly; a plurality of air drying assemblies are arranged above the end, away from the upper spraying assembly, of the conveying assembly. The cleaning bin comprises a bin body, the bottom of one end of the bin body is fixedly connected with a first water outlet pipe, and the bottom of the other end of the bin body is fixedly connected with a drain outlet; a plurality of upper spraying nozzles are matched with a plurality of lower spraying nozzles, so that the nuts can be cleaned from the upper part and the lower part of the nuts, and the nut cleaning effect is improved; according to the nut conveying device, gaps exist between the multiple conveying rods used for conveying nuts, it is ensured that water flow sprayed out of the multiple lower spraying nozzles can be sprayed to the nuts through the gaps between the multiple conveying rods, water flow sprayed out of the multiple upper spraying nozzles and the multiple lower spraying nozzles can flow into the bin body, water flow circulation is achieved, and waste of water resources is reduced.

The road guardrail cleaning machine comprises a main body, two L-shaped blocks are fixedly connected to the lower surface of the main body, and a circulating water mechanism is arranged at the positions of the main body and the L-shaped blocks; the circulating water mechanism comprises a driving shaft, the driving shaft is rotationally connected with the upper surface of the main body, the driving shaft is fixedly connected with a servo motor, the driving shaft is fixedly connected with a first gear, the main body is rotationally connected with two follow-up shafts in a penetrating mode, the two follow-up shafts are both fixedly connected with second gears, and the second gears are fixedly connected with the servo motor. The second gear is meshed with the first gear, the main body is provided with a circulation cavity, the L-shaped block is provided with a receiving groove, and two pumping pistons are connected into the main body in a sealed and sliding mode. The cleaning machine has the advantages that circulation of cleaning water can be achieved, waste of water resources is avoided, meanwhile, the situation that sewage pollutes a road surface can be avoided, clear water can be automatically supplemented when circulating water is insufficient, the automation degree is higher, and the cleaning effect is better.

This invention discloses a rapid precooling system and method for a liquid hydrogen refueling station, belonging to the field of liquid hydrogen technology. The precooling system includes a liquid hydrogen refueling pipeline, a liquid hydrogen supply tank, a valve subsystem, a liquid hydrogen refueling tank, a circulation pipeline, a condenser, a gas-liquid separator, a liquid carbon dioxide tank, a storage cylinder, a helium pipeline, a high-pressure helium cylinder, a fuel cell, a cryogenic hydrogen pipeline, and a liquid hydrogen storage tank group. This system utilizes liquid carbon dioxide and cryogenic helium to achieve deep coupling between system displacement and precooling operations. After displacement, the system temperature has dropped below the temperature of liquid carbon dioxide, significantly reducing precooling time. It also utilizes cryogenic hydrogen stored in the liquid hydrogen storage tank group to liquefy carbon dioxide, achieving carbon dioxide medium circulation. Simultaneously, the hydrogen released after cooling and the hydrogen generated during precooling are transported to the fuel cell for power generation, improving hydrogen utilization efficiency.

A composite on-site flow meter calibration method is disclosed. This method allows for measurement of individual instruments using standard instruments, and can switch between standard instruments and volumetric measuring devices for simultaneous measurement, as well as between standard instruments and gravimetric measuring devices for simultaneous measurement. Therefore, it enables free switching between various measuring devices for comparison of measurement values, solving the problem of large measurement errors caused by single measurement methods and greatly improving the accuracy of instrument calibration. Furthermore, the instrument clamping device in this calibration method can simultaneously clamp multiple instruments in series for measurement, resulting in high efficiency and allowing for easy adjustment of the clamping quantity as needed, demonstrating strong adaptability. The gravimetric measuring device in this calibration method can accommodate the efficient alternation of two weighing devices while ensuring a relatively stable liquid level in the oil tank, which is beneficial for flow stability during the weighing process.

The utility model relates to the field of rectification and purification, in particular to a rectification device for purifying diphenyl diketone. A rectification device for purifying diphenyl diketone comprises a rectification bin, supports, a feeding pipe, buffer plates, a temperature controller, a heating wire, a heat conducting plate and an air inlet pipe, the four supports are fixedly connected to the bottom of the rectification bin, the feeding pipe is installed on the left side of the upper portion of the rectification bin, the two buffer plates are arranged on the inner side of the rectification bin, and a plurality of through holes are formed in the buffer plates. A heating wire is arranged at the bottom of the rectification bin, a temperature controller is fixedly connected to the front side of the heating wire, located on the front side of the rectification bin and fixedly connected with the rectification bin, a heat conduction plate is fixedly connected to the bottom of the inner side of the rectification bin and located on the top of the heating wire, and an air inlet pipe is arranged on the top of the rectification bin. According to the diphenyl diketone purification device disclosed by the utility model, diphenyl diketone liquid is evaporated into water vapor and then solidified into water through the matching of the rectification bin, the heating wire, the condensation pipe and the condensation box, and circulation is realized through the matching of the liquid storage box and the water pump, so that the effect of purifying diphenyl diketone is achieved.

The utility model relates to the field of coking equipment, concretely relates to a special circulating oil adjusting device for production of needle coke. The special circulating oil adjusting device includes: a fractionating column, has the bottom, and is provided with circulating oil oil collecting tank for containing circulating oil above the bottom, circulating pipeline, including the out -of -tower pipeline and the tower inlet pipeline that communicate with circulating oil oil collecting tank and circulating oil pump that links to each other with the out -of -tower pipeline and the tower inlet pipeline, tower bottom pipeline, communicates circulating oil pump with the bottom, and is provided with flow control valve on the tower bottom pipeline. The special circulating oil adjusting device for production of needle coke of the utility model adds independent circulating pipeline, can directly inject circulating oil into the fractionating column bottom, thereby more conveniently individually adjusts circulating oil amount.

The utility model discloses an electric water heater, including phase change gall and water gall, be provided with heating rod in water gall, and heating rod is used for heating the water in water gall, the phase change gall has the phase change material for heat storage and heat release, and the phase change gall still includes the heat exchange pipe who communicates with water gall, and the water that flows through heat exchange pipe can absorb heat from phase change material, can also release heat to phase change material, in the height direction of phase change gall, along the flow direction of water, at least partial heat exchange pipe is arranged from top to bottom, and the electric water heater still includes the circulation pipe who communicates water gall and heat exchange pipe, when heating rod works, and the hot water in water gall can circulate and flow between heat exchange pipe and water gall through circulation pipe. The electric water heater provided in the application embodiment can simplify the structure and manufacturing process of electric water heater, reduce manufacturing cost and use cost, realize efficient energy storage simultaneously, in addition, can also maintain the better heat exchange effect in the long term in the use process.

This invention relates to a rapid clothes drying device based on hot air circulation and its working method, belonging to the technical field of drying equipment. It includes a shell, with a vibration unit installed inside the shell, and an air circulation drying unit hung on the side wall of the shell. Clothes are hung on the vibration unit, and the air circulation drying unit draws in air from inside the shell, dries and heats it, and then blows it into the shell from the top. The air circulation drying unit consists of a heating chamber with evenly distributed air outlets on its bottom surface, located above the vibration unit. A fan is installed on the top of the heating chamber, and an air supply pipe is installed on the top of the fan. A drying unit is installed on the air inlet side of the air supply pipe, with its air inlet connected to the inside of the shell and its air outlet connected to the air supply pipe. This invention vibrates the clothes on the hanger, preventing them from sticking together and increasing the drying area. The vibration accelerates the removal of moisture from the clothes. The drying unit on the air supply pipe ensures that the air is dry during the drying process, guaranteeing efficient drying of the clothes.

The invention provides a water purification and circulation device for aquaculture, and relates to the technical field of purification and circulation.The water purification and circulation device comprises a base, supporting seats are welded to the side of the base, a reinforcing seat is welded between the supporting seats, movable seats are movably mounted at the tops of the supporting seats, and a barrel is fixed between the movable seats; and a blow-off pipe is fixed on the side of the barrel body. The ring seat is installed in the rotating barrel, a limiting groove in the ring seat is matched with a limiting block to achieve limiting and fixing of the supporting rod, meanwhile, the limiting groove is matched with the limiting block to provide power support needed for later rotation of the ring seat, and when the supporting rod moves upwards in the later period, the limiting block pushes the ring seat to move upwards; in addition, a supporting rod is pushed by the ring base to move up and down, the height of the position where a stirring plate is located is changed when the supporting rod moves up and down, liquid is stirred to rotate through rotation of the stirring plate, the outward discharging speed of the liquid is increased under rotation, and cyclic utilization of water is facilitated.

The invention discloses a supergravity and multi-dimensional advanced oxidation wastewater treatment device, which comprises a tank body, and a filler mechanism, an oxidation mechanism and a photocatalysis mechanism are installed in the tank body, and relates to the technical field of wastewater treatment devices. According to the supergravity and multi-dimensional advanced oxidation wastewater treatment device, through multi-dimensional advanced oxidation equipment composed of electrocatalytic oxidation, photocatalysis and ozone oxidation and mutual promotion of multi-dimensional advanced oxidation, more advanced oxidation factors are generated, the wastewater treatment effect is improved, and meanwhile, the wastewater treatment effect is improved. A coating layer plate made of a titanium dioxide material is arranged outside a filler layer, and the collision frequency of reactants is increased by utilizing supergravity, so that the reaction rate is accelerated, the mass transfer effect is enhanced, wastewater to be treated and advanced oxidation factors can be fully contacted and reacted, and liquid on the surface of a catalyst fixed bed is thinned; and the loss rate of exciting light reaching the surface of the catalyst is reduced.

The utility model relates to the technical field of household appliances, and discloses a ventilation assembly for a fresh air conditioner, which comprises a box body, a communicating piece, an air duct, a first switch piece, a second switch piece and a third switch piece. The box body is provided with an overflowing cavity, and the box body is provided with an indoor air inlet, an air outlet and a fresh air opening which communicate with the overflowing cavity. The communicating piece communicates with the air outlet and is provided with a through hole communicating with the indoor space. The other end of the air duct is communicated with the communicating piece; the first switch piece is connected with the box body and used for opening or closing the indoor air inlet. The second switch piece is arranged at the through hole and can close communication between the through hole and the air outlet and the indoor space. The third switch piece is arranged at the fresh air opening and used for controlling the fresh air opening to communicate with the overflowing cavity or communicate with the air duct. According to the method and the device, different air supply requirements of users are met by adding the air supply mode. The utility model further discloses the fresh air conditioner.

The application provides a resource quality grading and step-by-step utilization method for co-producing lithium and bromine from lithium-containing bromine oil and gas field brine. The method adopts a "bromine extraction first-lithium selective enrichment" resource quality grading and step-by-step utilization strategy to solve the problems of low integration, mutual interference and poor adaptability of the existing lithium-bromine co-production process. The method includes the following steps: after the brine is adjusted to be acidic, it is introduced into a bromine extraction first unit, and the bromine is extracted through a three-stage coupling process of micro-channel reaction extraction, electrochemical selective oxidation and gas stripping absorption; the debrominated brine is subjected to multi-stage gradient precipitation, ceramic ultrafiltration and lithium selective adsorption to realize efficient enrichment of lithium and step-by-step removal of impurities; finally, lithium products are prepared, and material circulation such as regeneration of the extraction agent, utilization of the precipitation filter residue and reuse of the mother liquor is realized. Through the synergistic matching of time sequence and process conditions, the mutual interference in the lithium-bromine recovery process is avoided, the comprehensive recovery rate of the two resources is significantly improved, and the method has the advantages of strong raw material adaptability, high process integration, green environmental protection and the like.

The application discloses a pole-mounted circuit breaker fixing device and a use method thereof, relates to the technical field of pole-mounted circuit breakers, and comprises a box body, lifting assemblies are arranged inside the two sides of the box body, a fixing sleeve is slidably connected inside the lifting assembly, a capacitor is placed on the top of the fixing sleeve, positioning bosses are connected to the two sides of the outer wall of the capacitor, mounting grooves matched with the positioning bosses are formed in the two sides of the fixing sleeve, and pre-fixing assemblies are arranged on one side of the mounting grooves. The limiting claws of the pre-fixing assemblies are matched with the positioning bosses, the quick pre-fixing of the capacitor during installation is realized, in combination with the retraction process of the fixing sleeve driven by the lifting assembly, the clamping assembly is automatically clamped to the capacitor by means of the conical surface of the supporting seat, a double fixing structure is formed, the installation stability of the capacitor in the complex outdoor environment is greatly improved, and the fixing capacity of the capacitor is increased.

The utility model belongs to the technical field of chemical distillation, and particularly relates to a multi-stage chemical distillation tower which comprises a tower bottom component, the tower bottom assembly comprises a collecting cylinder; a surrounding type driving source is installed at the circle center of the upper end in the collecting cylinder, a set of connecting rods are welded to the peripheral face of the rotating end of the surrounding type driving source, a scraper for cleaning scale on the inner wall surface of the collecting cylinder is welded between the ends, close to the inner wall surface of the collecting cylinder, of the set of connecting rods, and a vertically-lifting lead screw is arranged at the bottom end of the rotating end of the surrounding type driving source. And a plurality of cleaning needles are fixed at the bottom end of the screw rod. According to the multi-stage chemical distillation tower, the 360-degree self-scale-cleaning structure is erected in the multi-stage chemical distillation tower, the distillation tower does not need to be disassembled and does not need to enter the tower body for cleaning, the multi-stage chemical distillation tower is convenient and fast to use, the cleaning period is short, and the structural integrity of the distillation tower cannot be damaged; and the cleaning needle can also crush and shift the dirt clamped at the inlet of the T-shaped pipe, so that the dirt is prevented from being clamped at the inlet of the T-shaped pipe.

The utility model discloses a circulating cooling device of a shield tunneling machine frequency converter, which relates to the technical field of shield tunneling machine frequency converters and comprises a fixing plate, a mounting frame is fixed in the middle of the top of the fixing plate, a cooling mechanism is arranged at the top of the fixing plate, and a filtering and cleaning mechanism is arranged at the top of the mounting frame. The cooling mechanism comprises a cooling pipe fixed to one side of the mounting frame in a penetrating mode, a pump machine is fixed to the inlet end of the cooling pipe, a connecting pipe is fixed to the inlet end of the pump machine, a cooling box is fixed to the top of the fixing plate, and temperature conduction pieces are evenly fixed to the top of the cooling box in a penetrating mode. According to the circulating cooling device of the shield tunneling machine frequency converter, the cooling mechanism is arranged, cooled air is conveyed into the frequency conversion cabinet to cool the frequency converter, and therefore the cooling effect is improved, the situation that when the underground temperature is high, the cooling effect of air fed through air cooling is not good is avoided, and use of the frequency converter is prevented from being affected.

This utility model discloses a yellow phosphorus tail gas combustion system that reduces the generation of acidic substances, belonging to the field of phosphorus chemical processing technology. It solves the problems of high cost, inefficiency, poor stability, and easy secondary pollution associated with existing technologies. The system includes three sequentially connected modules: tail gas pretreatment, combustion, and purification, forming a complete treatment pathway. The pretreatment module uses a centrifugal fan to transport the tail gas, a spray-filter desulfurization tower to remove sulfides, and a high-pressure backflush pipe to ensure stable airflow. The combustion module optimizes the air-fuel ratio, combines flue gas circulation and parameter monitoring to suppress nitrogen oxide generation, and is adapted to boiler waste heat utilization. The purification module is equipped with a waste heat recovery device before electrostatic precipitator to remove impurities. The system achieves desulfurization liquid regeneration and circulation, reduces equipment corrosion and treatment costs, ensures that exhaust gas emissions meet standards, and balances environmental protection and energy utilization efficiency.

This utility model belongs to the field of rice breeding technology and discloses a rice breeding box, including a box body, a box door, and a water tank. The box body has holes, and a fan is connected to the holes. The box body is connected to pipes, and a waste gas processor is connected to the pipes. A hollow column is connected to the box body, and a breeding tray is slidably connected to the hollow column. The breeding tray is slidably connected to the box body. A connecting plate is detachably connected to the hollow column, and a light plate is connected to the connecting plate. The hollow column has a sliding groove, and the connecting plate is slidably connected to the sliding groove. A boss is connected to the hollow column, and a limiter is connected to the boss. A pin is slidably connected to the limiter, and the pin is slidably connected to the hollow column. A cylinder is slidably connected to the connecting plate, and a button is connected to the cylinder. A spring is sleeved on the cylinder, and both ends of the spring are connected to the connecting plate and the button, respectively. The box body and the water tank cooperate with each other. A water pump is connected to the water tank, and a spray head is connected to the box body. The system can discharge the waste gas generated during rice breeding, ensure the light and water supply during rice breeding, and the light plate can be easily and quickly disassembled as needed.

The utility model relates to the technical field of modularization building, concretely relates to a container house with adjustable ventilation, including connecting case, movable door and fixed block, the top fixed connection of connecting case has storage tank, the inside fixed connection of connecting case has exhaust pipe, the inside fixed connection of connecting case has exhaust port, the inside connection of connecting case below has air guide groove, the fixed connection of connecting case below has connecting block, the utility model discloses the component such as storage tank, air suction pump etc. are set up, can inject gas to connecting case and store gas control delivery, optimize the gas circulation in the box, start the air suction motor and suck out the gas in the box, solve the problem that the gas in the box is difficult to circulate when the traditional device is full, guarantee the normal replacement of gas when full, additionally set up fixed block, lifting bolt etc., rotate lifting bolt and drive connecting screw rod to move and adjust the balance of connecting case, avoid the problem of balance disorder, solve the influence of ground flatness, improve the stability and reliability of the device.

The application discloses a preparation method of pyraclostrobin and belongs to the technical field of pesticide synthesis. In order to solve the problems of low bromine atom utilization rate and generation of more low-concentration acid-containing wastewater in the production process of pyraclostrobin, the method is provided, which uses sodium bromide as a bromine source, controls the rate of the conversion of the sodium bromide aqueous solution into bromine and sodium chloride, and then realizes bromination in situ. After the reaction is completed, a series of post-treatments are performed to obtain o-nitrobenzyl bromide. Then, etherification and purification treatments are performed to obtain pyrazole benzyl ether (an important intermediate). Finally, reduction, acylation and methylation are performed by using mature technology, and pyraclostrobin is obtained. The sodium bromide can be directly purchased or recycled by simple recovery treatment of the waste liquid formed by the process and directly reused in the process. The method not only provides a new synthesis route for the preparation of pyraclostrobin, but also reduces the raw material cost and improves the bromine atom utilization rate under the premise of realizing the preparation of pyraclostrobin.

The invention discloses a liquid-electric separation device for a liquid-cooled cable and an assembly method thereof, in the liquid-electric separation device, a first joint, a crimping part and a second joint are arranged on a main body, the first joint, the crimping part and the second joint are communicated in the main body, and the cable is inserted into the main body from the first joint and enters the crimping part; a nut plug is arranged at the tail end of the crimping part, cooling liquid is plugged in the main body, the main body is integrally made of copper and can be electrified, the crimping part is connected with an external charging gun to achieve circulation of a circuit, and the liquid cooling pipe is connected with an external liquid supply device, the first connector and the second connector in an inserted mode to achieve circulation of the cooling liquid. The cable penetrates through the liquid cooling pipe, the main bodies can be installed at the two ends of the cable, liquid cooling and liquid-electricity separation of the cable are achieved through the two main bodies, and the liquid-electricity separation device is small in size, good in cooling liquid sealing effect, capable of being matched with various rear-end electrical equipment, wide in application range and high in practicability.

The application discloses a continuous synthesis method of 2-chloromethyl thiophene and belongs to the technical field of chemical industry. The method comprises the following steps: adding a mixed solution of paraformaldehyde and concentrated hydrochloric acid into a decanter in initial reaction; adding formaldehyde into water phase output from the decanter and heating to 20-30 DEG C during reaction, and then sending to the top of a rectifying column; introducing HC1 gas into the bottom of the rectifying column and controlling the introduction speed to make the top of the rectifying column not discharge HC1 or discharge a small amount of HC1; adding a mixed solution of thiophene and a solvent into the upper part of the rectifying column; the reaction temperature in the rectifying column is 10-30 DEG C, and the reaction liquid at the bottom of the rectifying column is refluxed to the decanter; cooling to -5-0 DEG C in the decanter and carrying out three-phase separation, the organic phase is 2-chloromethyl thiophene mother liquor, and the water phase is continuously output to the rectifying column. The continuous production is realized by combining the principle of gas-liquid reactor design and reaction rectification, and the production efficiency is improved.

The utility model discloses an electric water heater, including water bladder, phase change bladder, water supply line and circulating pipeline, and phase change bladder includes heat exchanger, and circulating pipeline is used to communicate the water bladder and heat exchanger, and one side of water supply line can be communicated with water source, and the switch device is provided on circulating pipeline, and the switch device has first state and second state, when the switch device is in first state, the water in water bladder can circulate and flow between water bladder and heat exchanger, when the switch device is in second state, the water in water bladder can not circulate and flow between water bladder and heat exchanger, and the water in water supply line can flow into heat exchanger, water bladder in proper order, or, can flow into water bladder, heat exchanger in proper order. The electric water heater provided in the application embodiment, through the reasonable and ingenious waterway design, can not only guarantee efficient energy storage, but also can realize stable and comfortable water supply to the water terminal.

This application relates to the field of household appliance technology and provides a cooking device including a housing, a steam generator, and a condenser. The housing has a cooking chamber, a steam outlet, and a return outlet, both of which are connected to the cooking chamber. The steam generator is disposed in the cooking chamber and is used to heat water in the cooking chamber to generate steam. The condenser is disposed on the side of the housing along a first direction and includes a condenser and a return pipe. The condenser connects the steam outlet and the return pipe, and the return pipe connects to the return outlet. The condenser is configured to condense steam entering from the steam outlet into water, and the water can flow into the cooking chamber through the return pipe and the return outlet. The first direction intersects with the vertical direction. The cooking device provided by this application can reduce the frequency and amount of water added.