217results about How to "Achieve circular flow" patented technology

The invention relates to a full-automatic circulating canal scalding pool for pig slaughtering, and belongs to the field of livestock slaughtering, the full-automatic circulating canal scalding pool comprises a scalding pool body, a water pump circulating pipeline, an inlet descending track, an outlet lifting track, a double-hinge strip, a supporting cross beam frame, a pig pressing device, a hook chain, a scalding pool shield and a drainage pipeline, the turning position of the scalding pool is of a semi-arc structure, turning is smoother, and cross collision is reduced; the water pump circulation pipeline enables the water pumping and draining direction to be consistent with the water flow direction, automatic circulation of water flow in the scalding pool is achieved, the water flow heating effect is improved, the heating time is shortened, meanwhile, faster reverse water flow can keep backward pulling force of a pig body on a hook, and unhooking is avoided. The novel double-hinge strip with side guiding is used, and two corner wheels are removed, so that the operation is more stable; the front end and the rear end of the scalding pool are communicated, so that water flow in the scalding pool can integrally flow circularly, the uniformity of water temperature and the heating efficiency of pig carcasses are improved, the heating time is shortened, and the freshness of meat is improved.

The invention innovatively provides a micro-channel solid hydrogen storage thermal management system which comprises a pressure controller, a safety valve, a circulating pump, a ball valve, a micro-channel reactor, a three-way ball valve and a cooler, and the specific structure is as follows: the safety valve, the circulating pump, the ball valve, the micro-channel reactor, the three-way ball valve and the cooler are sequentially communicated through pipelines to form a loop; a hydrogen outlet of the pressure controller is communicated with a pipeline between the safety valve and the cooler, a hydrogen inlet of the pressure controller is connected with a hydrogen source, and one port of the three-way ball valve is a hydrogen outlet.

The utility model discloses a wet oxygen process system which comprises a pure water circulating unit, a wet oxygen unit and a drainage unit, the pure water circulation unit comprises a water inlet pipe section, a circulation pipe section and a water return pipe section which are sequentially connected, an inlet of the water inlet pipe section and an outlet of the water return pipe section are connected with a peripheral pure water source, an outer circulation connecting pipe is arranged between the water inlet pipe section and the water return pipe section and provided with an outer circulation valve, and a water inlet valve is arranged at the water inlet end of the circulation pipe section. A water return valve is arranged at the water outlet end of the circulating pipe section; a plurality of water inlet branch pipes are arranged on the circulating pipe in parallel, the water inlet branch pipes are connected with the corresponding wet oxygen units one by one and used for supplementing pure water needed by the wet oxygen units, and water drained by the wet oxygen units is drained to the periphery through the drainage unit; and the circulating pipe section is also provided with a water quality detector, a water outlet and a first water discharge valve. According to the system, the quality of pure water in the internal main pipeline can be kept, the water quality can be conveniently monitored in real time, and little water is wasted during water changing.

The invention relates to a straw and willow product dyeing sewage treatment device, aiming to solve the technical problems that potassium dichromate is often used as an oxidant and a mordant in the current printing and dyeing process, a large amount of chromium is also consumed in the preparation of a printing roller, and the efficiency of sewage treatment only through physical filtration and other steps is low, and particulate matter, suspended matter and heavy metal ions in the sewage cannot be efficiently treated. The device comprises a shell and a dosing drum shaft rotatably arranged on the top of the shell, a plurality of groups of electrostatic adsorption components connected to an external electrostatic generator are arranged in an annular array on the outer edge surface of the dosing drum shaft, a group of the electrostatic adsorption components forms a disc-shaped structure, and a plurality of groups of the electrostatic adsorption components are connected to the dosing drum shaft. The device adsorbs impurities, suspended matter and heavy metal ions in sewage through the electrostatic adsorption phenomenon, completes the efficient cleaning of impurities in sewage, and can efficiently complete the treatment of particulate matter, suspended matter and heavy metal ions in sewage.

The invention relates to the field of injection molding production technology, and specifically to an injection molding refrigeration and shaping device, comprising a control electrical box, a mounting plate is arranged just above the control electrical box, a plurality of fixed parts of telescopic equipment are equidistantly arranged between the mounting plate and the control electrical box, a heat sink is arranged at the upper end of the mounting plate, a plurality of semiconductor refrigeration plates are equidistantly arranged at the upper end of the heat sink, the upper end of the semiconductor refrigeration plate is fitted with a refrigeration shaping plate, the upper end surface of the refrigeration shaping plate is recessed downward to form a plurality of shaping grooves, the upper side of the front end of the refrigeration shaping plate is fitted with a rectangular block, and the lower end of the rectangular block is hinged to the front end of the refrigeration shaping plate, a rectangular rod is installed in the middle of the front end of the rectangular block, a vertical part of an L-shaped frame is arranged at the front end of the rectangular rod, and the rear end of the vertical part of the L-shaped frame is connected to the movable part of the telescopic equipment. The design realizes rapid cooling and shaping of the product, effectively reduces the deformation of the product, effectively ensures the shape and size of the product, and improves the yield rate of the product.

The utility model provides a cooling device for producing a water reducing agent, and belongs to the technical field of cooling devices. In order to solve the problem that a traditional cooling device adopts air cooling and is poor in cooling effect, the following technical scheme is provided: the cooling device comprises a first tank body and a second tank body, a cooling cavity is formed in the top of the first tank body, the second tank body is located in the cooling cavity, and a first cooling assembly is arranged on the first tank body and is connected with the cooling cavity; a top cover is arranged at the top of the cooling cavity, a material cavity is formed in the top of the second tank body, a sealing cover is arranged at the top of the material cavity, and the second cooling assembly penetrates through the cooling cavity and the material cavity; through the arrangement of the first cooling assembly and the second cooling assembly, the contact area between the second tank body and the material cavity and the cooling liquid is increased, materials can be effectively cooled through circular flowing of the cooling liquid, the problem that a traditional cooling device is poor in cooling effect is solved, the materials can be uniformly cooled, and the cooling effect is improved.

The invention provides cultivation equipment for sea grass, which belongs to the technical field of sea grass cultivation and comprises a cultivation jar, a circulating pipeline, a base, a temperature control device and a monitoring device. The culture cylinder comprises a culture chamber, a monitoring chamber, a filtering chamber and a circulating chamber; the position close to the bottom of the monitoring chamber is communicated with the culture chamber; one side of the filtering chamber is communicated with the monitoring chamber, and the other side of the filtering chamber is communicated with the circulating chamber; the other end of the circulating pipeline is positioned in the culture chamber; the monitoring device is arranged in the monitoring room; wherein a fence is detachably arranged on the base; a stress cavity is formed between the fence and the base; when the fence is connected with the base, the monitoring device is arranged in the stress cavity; the stress material is placed in the seawater in the enclosure, and at the moment, the temperature, salinity, dissolved oxygen content and PH value of the seawater in the stress cavity can be monitored through the monitoring device.

The utility model provides an electroplating bath structure for manufacturing an integrated circuit, which belongs to the field of manufacturing of integrated circuits and comprises a multifunctional circulating assembly capable of realizing circulating flow and mixing of electroplating liquid in an electroplating box; the multifunctional circulating assembly comprises a guide cylinder which can be detachably mounted in the electroplating box, a coaxial rotating rod which is driven to rotate is arranged in the guide cylinder, a mounting block is fixed to the upper end of the rotating rod, and a spiral blade used for circulating flow of electroplating liquid is fixed to the mounting block; a heating pipe located above the spiral blade is installed in the guide cylinder, and a filter screen located below the spiral blade is installed in the guide cylinder. The spiral blade rotates to convey electroplating liquid upwards through the guide cylinder, so that the electroplating liquid can circularly flow in the electroplating box and is uniformly mixed, impurities in the electroplating liquid can be filtered through the filter screen, and electroplating products are prevented from being influenced.

The invention discloses a flow battery multi-stack cascade test system, and relates to the technical field of flow battery energy storage systems. The flow battery multi-stack cascade test system comprises a stack setting module which comprises a plurality of stack setting units, each stack setting unit comprises a plurality of stack setting groups, and each stack setting group comprises at least one stack setting mechanism; the galvanic pile arrangement structure is used for arranging a galvanic pile and comprises a galvanic pile positive electrode liquid inlet, a galvanic pile negative electrode liquid inlet, a galvanic pile positive electrode liquid outlet and a galvanic pile negative electrode liquid outlet; and the electrolyte circulating module comprises a positive electrode liquid storage tank, a negative electrode liquid storage tank, a positive electrode main liquid inlet pipeline, a positive electrode auxiliary liquid inlet pipeline, a positive electrode main liquid return pipeline, a negative electrode main liquid inlet pipeline, a negative electrode auxiliary liquid inlet pipeline, a negative electrode main liquid return pipeline and a plurality of control valves arranged in the pipelines. According to the technical scheme of the invention, multiple liquid supply modes in the flow battery multi-stack cascade test system can be realized, and the influence of different liquid supply modes on the charge and discharge efficiency of the flow battery energy storage system can be detected.

The utility model relates to a water-cooled injection-molded oriented magnetic field coil, and the coil comprises a winding skeleton which is arranged in a ring shape, the winding skeleton is provided with a water-cooling channel, and the water-cooling channel is used for the circulation inflow of a cooling liquid; the coil is arranged in the water cooling channel, the coil surrounds the winding framework in the radial direction, and the coil is connected with an external power source and used for generating a magnetic field. The orientation magnetic field coil has the advantages that the probability that the coil is rapidly aged due to heating is reduced, and therefore the service life of the orientation magnetic field coil is prolonged.

A simple sterilization device relates to the technical field of sterilization devices and comprises a sterilization box body, the front surface of the sterilization box body is opened and hinged with a sealing door, interlayers communicated with each other are arranged on the box wall of the sterilization box body, and the interlayers are divided into a distribution interlayer and a backflow interlayer at the positions in the opposite side wall direction of the sterilization box body. A plurality of supporting distribution plates are fixedly connected to the opposite inner walls of the sterilization box body side by side from top to bottom, the supporting distribution plates are provided with distribution inner cavities, the distribution inner cavities are communicated with the distribution interlayer, distribution holes communicated with the distribution inner cavities are formed in the upper surfaces of the supporting distribution plates, and overflowing holes communicated with the distribution inner cavities are formed in the lower surfaces of the supporting distribution plates. The water injection sterilizing device solves the problem that in the using process of a sterilizing device in the prior art, high-temperature steam is easily gathered at the top of the box body and cannot be in uniform contact with the surface of a water injection, so that the sterilizing efficiency of the water injection is reduced.

The invention relates to an experimental system for researching heat transfer characteristics of a cold energy power generation coiled tube heat exchanger. Comprising a working medium storage tank, a first pump with a feeding port communicated with a discharging port 1a of the working medium storage tank, a liquid nitrogen heat exchanger with a first feeding port 3a communicated with a discharging port of the first pump and a condenser with a first feeding port 4a communicated with a first discharging port 3b of the liquid nitrogen heat exchanger, and a first discharging port 4b of the condenser is communicated with a feeding port 1b of the working medium storage tank. The liquid nitrogen heat exchanger is a coiled tube type heat exchanger. By adopting the technical scheme of the invention, the method can be used for researching the phase change heat transfer process of shell pass evaporation and condensation, accurately obtaining the phase change heat transfer rule of the working medium in the coiled tube type heat exchanger, and exploring the factors of the coiled tube type heat exchanger influencing the heat transfer coefficient and the pressure drop and the distribution rule of shell pass phase change flow; the feasibility research of the coiled tube type heat exchanger in LNG cold energy power generation is realized, and the blank that the coiled tube type heat exchanger is used as a condenser in an LNG cold energy power generation device in the prior art is filled.

The invention relates to the technical field of disinfection cabinets, and particularly discloses a disinfection cabinet device with a plasma disinfection function, the disinfection cabinet device comprises a disinfection cabinet body, a feeding frame and a discharging frame, and the feeding frame and the discharging frame are fixedly arranged on the two sides of the disinfection cabinet body respectively. According to the disinfection cabinet device, the conveying assembly is arranged in the disinfection cabinet body, and the conveying assembly is used for carrying out automatic feeding and discharging operation on articles entering the disinfection cabinet body, so that the disinfection efficiency of the disinfection cabinet device on the articles is improved, manual feeding and discharging of the disinfected articles in the disinfection cabinet body are not needed, on one hand, the labor intensity of workers is reduced, and the disinfection efficiency is improved; according to the disinfection cabinet device, on the one hand, when some heavy articles are disinfected, on the other hand, continuous disinfection treatment on the disinfected articles is achieved, the disinfection treatment efficiency of the disinfection cabinet device is remarkably improved, and the articles in the disinfection frame are comprehensively disinfected through active substances such as atomic oxygen and free radicals generated by the plasma generator.

The invention discloses an infrared heat pump drying machine, which comprises a drying chamber, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps, a plurality of infrared heat pumps and a plurality of infrared heat pumps, and is characterized in that the infrared heat pumps are arranged on the infrared heat pumps; the heat pump drying system comprises a heat pump drying outer box, an evaporator, a compressor and a condenser, the evaporator, the compressor and the condenser are arranged in the heat pump drying outer box, humid air in the drying chamber enters the heat pump drying outer box through an air outlet and an air return pipe, and the humid air is conveyed back to the drying chamber through an air supply pipe and an air supply outlet after being dried, dehydrated and heated by a heat pump; and the infrared drying system comprises a pair of infrared drying racks and a pair of carbon fiber infrared radiant panel groups. The invention further discloses an infrared heat pump drying method. Infrared drying and heat pump drying can be combined for use, the rapid heating characteristic of infrared rays can be utilized, heat can be recycled through a heat pump system, and the dual purposes of energy conservation and high efficiency are achieved.

The utility model relates to the field of hot air circulating ovens, in particular to an energy-saving hot air circulating oven which comprises a bearing plate. The upper end of the bearing plate is fixedly connected with a drying oven shell and a base plate. The air heating block is started to heat the bearing disc, then the first exhaust fan is started to exhaust air upwards, air in the drying oven shell can be exhausted into the exhaust pipe by the first exhaust fan through the exhaust hole, the second exhaust fan is started to assist in exhausting air, hot air in the exhaust pipe is blown into the exhaust pipe, and the air in the drying oven shell is exhausted by the second exhaust fan. Hot air can be blown to an object placed at the upper end of the bearing disc through the air exhaust body, the interior of the air exhaust body can be heated by starting an air heating rod, a motor is started to enable a rotating column to drive a top disc and the air exhaust body to rotate, circulating flowing of the hot air can be achieved, the position of the air exhaust body can be changed, and air can be blown to the center of the drying oven shell from multiple angles; and by blowing air at different positions, the fluidity of hot air can be improved, and the drying effect is improved.

The invention relates to the technical field of galvanization, in particular to a plating bath device and method for hot-dip galvanized steel sheet production, which comprises a plating bath pot for galvanization treatment of a steel sheet material and a support, and further comprises a rust removal cleaning barrel, a rust removal cleaning barrel and a rust removal cleaning barrel, the derusting cleaning cylinder is arranged at the top of the support, located on the two sides of the steel plate material and used for derusting the steel plate material, a plurality of nozzles and brushes are arranged at the bottom of the derusting cleaning cylinder, and a driving assembly for driving the derusting cleaning cylinder to swing to achieve dynamic cleaning is constructed in the support; and the degreasing spraying shell is connected to one side of the rust removal cleaning barrel and used for spraying an organic solution to conduct degreasing treatment on the surface of the steel plate material, a liquid storage chamber storing a large amount of the organic solution is arranged below the degreasing spraying shell, and the liquid storage chamber is connected with the degreasing spraying shell through a pipeline to ensure continuous supply of the organic solution.

The utility model relates to the technical field of reaction pots, in particular to a medical intermediate reaction pot. The reaction kettle has the advantages that hot water can be injected into the rotating pipe and the rotating communicating water tank through the water inlet connecting pipe, the hot water is input into the heat exchange water tank through the communicating pipes, heat is conducted to the heat conduction rods through the interior of the heat exchange water tank, and the heat conduction rods conduct the heat to medicine intermediates in the reaction kettle body; then backflow water is discharged through a rotating water return pipe, a multi-way connecting pipe and a drainage connecting pipe, circulating flowing of hot water is achieved, heating is more uniform, a rotating pipe rotates to drive a rotating communicating water tank and a plurality of communicating pipes to rotate around, and a heat exchange water tank and a plurality of heat conduction rods are driven to rotate and revolve around the heat conduction rods at the same time; the heating uniformity is further improved, the drug intermediates in the reaction pot body can be uniformly stirred through the rotation and revolution of a plurality of heat conducting rods while uniform heating is performed, and the reaction effect is improved.

The utility model discloses a refrigerant circulation formula condenser relates to condenser technical field, and the utility model discloses a bottom plate, the top surface fixedly connected with fixed frame of bottom plate, the top surface fixedly connected with clamping subassembly of bottom plate, the top of fixed frame is equipped with cooling assembly, cooling assembly includes condenser subassembly and water tank, the top surface fixedly connected with support of water tank, the bottom surface rotationally connected with pivot of support, the output of motor extends to support and is fixedly connected with pivot, a plurality of stirring rollers are fixedly connected with the outer surface of pivot, the top surface fixedly connected with water pump of fixed frame, the output fixedly connected with connecting pipe of water pump, the lower portion intercommunication of water tank is equipped with circulating pipe, the bottom end of circulating pipe penetrates fixed frame and is linked with condenser subassembly intercommunication, the outer surface of connecting pipe is clamped with the frame, the utility model discloses can make condensing equipment circulation refrigeration, and can install to condensing equipment.

The application relates to the technical field of JP cabinet bus joint, in particular to a temperature detection device for a JP cabinet bus joint, which comprises a base, a plurality of cabinet bodies arranged from bottom to top at the upper end of the base, a door plate assembly hinged to one side of the cabinet body, a circulating detection mechanism installed on one side of the door plate assembly, and a temperature detection assembly arranged on the circulating detection mechanism. The base and the plurality of cabinet bodies can be overlapped and installed, so that the cabinet bodies can be assembled according to needs, the practicability is improved, and after the assembly is completed, the corresponding air guide cover can form an integral whole, so that heat exchange work can be carried out on the upper end and lower end components of the bus joint assembly, the temperature of the bus joint assembly is sufficiently reduced, and meanwhile, multi-position detection work is carried out through the temperature detection assembly, so that the temperature of each position in the cabinet body can be accurately understood, the heat dissipation efficiency can be controlled, the temperature in the cabinet body can be sufficiently controlled, and the bus joint assembly can be ensured to stably work.

The utility model discloses a cooling circulation device for high modulus agent production, which belongs to the technical field of plant cooling circulation and comprises a bottom frame, two side frames, a middle frame, a cooling liquid pipeline, a first circulating pump, a second circulating pump and an instrument, the two side frames are mounted on two sides of the bottom frame, the middle frame is positioned in the middle of the two side frames, and the cooling liquid pipeline is mounted on the middle frame. A cooling liquid pipeline, a first circulating pump and a second circulating pump in the device jointly achieve circulating flow of cooling liquid, and a stable cooling environment needed in the high-modulus agent production process is ensured; due to the design of the drawer type collecting box and the inclined plane collecting tank, waste liquid possibly leaked from a cooling liquid pipeline or a circulating pump can be effectively collected. When the waste liquid is accumulated to a certain degree, the waste liquid can be easily discharged through the liquid discharging pipe and is convenient to clean and treat; the design of the device considers future maintenance requirements, such as regular inspection, waste liquid cleaning, fastening of joints and the like, which can be conveniently carried out.

The utility model relates to the technical field of food processing equipment, in particular to a high-pressure egg marinating device which comprises an outer tank, a discharging pipe fixedly installed at the bottom end of the outer tank, a ball valve fixedly installed on the discharging pipe, an external electric heater fixedly installed outside the outer tank and used for temperature control heating, and a top cover assembly arranged at the top of the outer tank and used for sealing. An inner mesh barrel which is integrally in a mesh barrel shape is arranged in the outer tank, a vertical pipe is fixedly installed at the bottom end of the inner mesh barrel, the tail end of the vertical pipe is inserted into a valve body of the ball valve and does not affect rotation of a valve element of the ball valve, and a brine filling gap is formed between the inner mesh barrel and the outer tank. And the inner mesh cylinder is used for circulating the marinating liquid and preventing the eggs and marinating materials from falling out to the marinating liquid filling gaps. The marinating and discharging device is convenient to marinate and discharge, and is convenient to use.

The utility model discloses a microcapsule spray dryer for producing emulsified powder essence, which realizes vertical circulating stirring of raw materials in a material storage tank through the rotary motion of a spiral conveying shaft in a material guide barrel; the spiral conveying shaft pumps the raw materials located on the lower portion of the material storage tank upwards along the material guide barrel, then the raw materials flow back through the upper end of the material guide barrel, and circular flowing of the raw materials in the vertical space is achieved. Therefore, the phenomena of local deposition and layering of the raw materials in the storage tank are avoided. Especially for emulsion with large density difference between the wall material and the core material, layering phenomena such as wall material sedimentation and core material oil phase floating are effectively prevented, the uniformity and the stability of the raw materials in the storage process are remarkably improved, and then the embedding rate and the structural integrity of the microcapsule are improved.

This utility model discloses a dust separation device, including a dust separator, a feeding mechanism, a cyclone separator, a dust collector, a fan, and a filter. The dust separator has a material inlet, a material outlet, a gas inlet, and a gas outlet. The dust separator receives material through the material inlet, rolls within the separator, and discharges it through the material outlet. It also receives gas through the gas inlet, carries away dust mixed in with the material, and discharges the dust-laden gas through the gas outlet. The feeding mechanism is connected to the material inlet of the dust separator, and the air inlet of the cyclone separator is connected to the gas outlet of the dust separator. This utility model can separate dust from materials and collect and process the separated dust, preventing dust from entering the air and thus avoiding dust impacting the production environment and harming personnel health.

The invention discloses a bioreactor for cell tissue engineering, relates to the technical field of bioreactors, and aims to solve the problems that the circulating flow of a liquid material is not ideal and the mixing effect is influenced due to the fact that gas and liquid are not fully guided in a reactor. According to the bioreactor for the cell tissue engineering, the inner blocking cover and the inner guide cylinder are matched, in the process that gas is introduced from the bottom to drive materials to be mixed and stirred, the materials in the inner guide cylinder are gushed upwards, and meanwhile under the cooperation of a through groove and the inner blocking cover, the materials are mixed and stirred. Through the arrangement of the through groove, materials on the outer side of the inner blocking cover can smoothly enter the inner blocking cover through the through groove, the materials can circularly flow, make full contact with gas and be mixed in the driving process when being pneumatically stirred, and meanwhile, the materials can react with oxygen in the introduced gas during cell reaction, so that the reaction efficiency is improved. And the mixing effect of the materials in the reaction tank in the stirring process is improved.

The utility model belongs to the technical field of root exudate collection, and particularly relates to a plant root exudate collection device which comprises a collection cylinder, the planting cylinder is arranged in the collecting cylinder in a sleeving manner; communicating holes are uniformly formed in the bottom wall and the side wall of the planting cylinder; a circulation pool; the liquid inlet end of the first pump body is communicated with the bottom of the collecting barrel, and the liquid outlet end of the first pump body is communicated with the circulating pool; the liquid inlet end of the second pump body is communicated with the circulating pool, and the liquid outlet end of the second pump body is communicated with the collecting cylinder. According to the utility model, the influence on the growth space and the growth direction of the plant seedling root system can be avoided to a certain extent, so that the natural growth of the plant seedling root system is facilitated; meanwhile, by means of the circulating pool and the pump body, the nutrient solution can circularly flow in the collecting and planting cylinder, subsequent collecting of root exudates is facilitated, meanwhile, the root exudates can be collected in different periods of plant seedlings, and operation is easy.

The utility model relates to mobile phone shell technical field especially, and it is a kind of ventilated mobile phone shell, the ventilated mobile phone shell includes: bottom frame and wall protection, the bottom frame with the wall protection enclose protective space, the bottom frame is equipped with annular groove, heat dissipation hole and air hole, the annular groove is around the circumferential side of the bottom frame and is arranged, the quantity of heat dissipation hole is multiple, each heat dissipation hole is respectively arranged in the opposite side of the bottom frame, and it is correspondingly arranged, one end of each heat dissipation hole is communicated with the protective space, the other end of each heat dissipation hole is communicated with the annular groove, the air hole penetrates the bottom frame, and it is communicated with the heat dissipation hole corresponding to each other.The ventilated mobile phone shell of the utility model is beneficial to air sequentially through annular groove and air hole to remove the heat of heat dissipation hole from mobile phone shell, realizes the circulation of air flow, to effectively improve the heat dissipation efficiency, reaches the purpose of improving the heat dissipation effect of mobile phone shell.

The utility model discloses an annealing device for motor stator silicon steel sheet production, including annealing furnace body, the back surface fixed mounting of annealing furnace body has the nitrogen cylinder, the gas -out end fixed communication of nitrogen cylinder has the intake pipe, the one end of intake pipe is away from nitrogen cylinder and extends to the inside of annealing furnace body and is passed through annealing furnace body. The device can extract the gas in the annealing furnace body through the setting of high temperature -resistant centrifugal fan, and the cooperation with the air extraction pipe and the exhaust pipe, and then can send the gas back to the annealing furnace body, realize the circulation flow of the gas in the annealing furnace body, ensure that the silicon steel sheet is heated evenly, utilize the setting of nitrogen cylinder, and the cooperation of intake pipe, pressure valve and rotor flowmeter, so that nitrogen can enter the annealing furnace body, and the intake pressure is adjusted and the intake flow is monitored, the air in the annealing furnace body is replaced by nitrogen, the annealing environment without oxygen is formed, and the oxidation condition of silicon steel sheet is prevented.

This invention discloses a double-cavity hose forming device with a sealing function, relating to the field of double-cavity hose forming technology. The device includes an extrusion molding machine, on which a melt generator is mounted. A vertical guide rail is mounted on one side of the extrusion molding machine, and a slide block is slidably mounted on the vertical guide rail. A cutting blade is mounted on the slide block. A base plate is mounted on the side of the extrusion molding machine near the vertical guide rail, and a transverse guide rail is mounted on the base plate. A support bracket is slidably mounted on the transverse guide rail. Two sets of module guide rails are symmetrically mounted on the side of the support bracket near the extrusion molding machine. Movable seats are slidably mounted on the two sets of module guide rails, and connecting rods are mounted on the movable seats. Sealing plates are mounted on the connecting rods. Activating the module guide rails causes the two movable seats to drive the two sealing plates to extrude the double-cavity hose, thus automatically sealing the double-cavity hose on the support bracket.

The utility model discloses a mobile power supply with a heat dissipation function, and relates to the technical field of mobile power supplies. The mobile power supply with the heat dissipation function comprises a shell, a circuit board, a liquid cooling heat dissipation assembly and a battery cell, the shell is provided with a containing cavity, an air inlet and an air outlet. The air inlet and the air outlet are communicated with the accommodating cavity; the circuit board is arranged in the accommodating cavity; the liquid cooling heat dissipation assembly is arranged in the containing cavity. The cooling fan is located on one side of the air outlet. The cooling plate abuts against the circuit board. The battery cell is arranged in the containing cavity and electrically connected with the circuit board, the circulating pump and the cooling fan. Air can be blown to the air outlet through the cooling fan so that air in the containing cavity can be exhausted from the air outlet, high-temperature air in the containing cavity can flow out of the containing cavity so as to take away heat, external low-temperature air can enter the containing cavity from the air inlet, air circulation flowing is achieved, and the heat dissipation efficiency is improved. Therefore, the heat dissipation effect on the circuit board is achieved, and the charging and discharging efficiency and the use safety are ensured.

The present invention discloses a flame-retardant wind turbine nacelle cover that is easy to seal and assemble, belonging to the technical field of wind turbines, and includes a nacelle cover body containing flame-retardant materials and a stabilizing plate arranged at the vertical opening of the nacelle cover body, wherein the stabilizing plate of the annular structure is installed at the vertical opening of the nacelle cover body through elastic sliding to buffer the installation of the main shaft of the unit, and the opening structure is covered with an elastically deformable sealing layer, and the gap between the main shaft bearing seat and the nacelle cover body is sealed and protected by the expansion of the sealing layer, and the expansion mechanism arranged in the sealing ring guides the deformation of the sealing layer through the movement of the stabilizing plate. The flame-retardant wind turbine nacelle cover that is easy to seal and assemble redesigns the structure inside and outside the cabin and at the connection point, which can not only perform auxiliary assembly and sealing operations on the connection, but also utilize the characteristics of the high-altitude use environment of the nacelle cover to promote the circulation of airflow in the cabin and sufficient heat exchange through high-altitude airflow.