305results about How to "Fast cooling" patented technology

The invention discloses a liquid-cooled double-shaft-extension alternating current permanent magnet synchronous servo motor and a use method, and relates to the technical field of motors. According to the liquid-cooled double-shaft-extension alternating-current permanent magnet synchronous servo motor and the use method thereof, the two liquid cooling mechanisms can be driven to work along with rotation of two rotor shafts of the double-shaft synchronous rotor mechanism through mutual cooperation of the double-shaft synchronous rotor mechanism, the liquid cooling mechanisms, the cooling pipe mechanisms and the spiral heat dissipation pipes; the liquid cooling mechanisms are enabled to pump and drain cooling liquid, so that the cooling liquid in the cooling pipe mechanism, the spiral heat dissipation pipe and the two liquid cooling mechanisms circularly flows, heat generated by working of the motor can be taken away in time in the circulating flowing process of the cooling liquid, and meanwhile, along with rotation of the double-shaft synchronous rotor mechanism, the heat generated by working of the motor can be taken away in time. According to the motor cooling device, hot air in the shell can be rapidly pumped out, the motor is cooled by combining liquid cooling and air cooling, the cooling effect on the motor is greatly enhanced, and continuous normal operation of the motor is ensured.

The invention relates to the technical field of enameled wire cooling, in particular to an enameled wire cooling device for enameled wire production. The water cooling device comprises a water cooling box, cooling liquid is contained in the water cooling box, at least two sets of conveying assemblies are arranged in the water cooling box, each conveying assembly comprises a rotating motor arranged on the side wall of the water cooling box, the output end of each rotating motor penetrates through the water cooling box, a transmission roller is arranged at the end of each rotating motor, a limiting roller is arranged above each transmission roller, and an adjusting assembly is arranged above each limiting roller; varnished wires pass through the through holes formed in the sponge mat and are adsorbed by the sponge mat through water on the surface of the through holes, so that the varnished wires are automatically dried, when much water is adsorbed in the sponge mat, the telescopic rods are shrunk by pressing the pressing plates, and the compression springs are compressed in the shrunk process of the telescopic rods; and water adsorbed in the sponge pad overflows under the extrusion force of the pressing plate, so that the cooled enameled wire is quickly dried and dehumidified.

The invention discloses a method for improving the strength and long-term service performance of a brazed joint in a skutterudite thermoelectric device by using a cobalt-based barrier layer, and belongs to the technical field of thermoelectric material connection. The problems that the long-term service performance of existing skutterudite and electrode brazing is poor, and the strength of a brazed joint is low are solved. The cobalt-based barrier layer added between the skutterudite and the electrode is cobalt and the refractory metal, and the refractory metal is high in melting point, bond energy and diffusion activation energy, so that diffusion of the Sb element through the barrier layer to the electrode is inhibited, and the components of the cobalt-based barrier layer can be flexibly adjusted, so that the thermal expansion coefficient of the barrier layer is easily matched with that of the skutterudite. The barrier layer powder and the skutterudite powder are subjected to integrated hot pressed sintering, and staggered interfaces are formed between the powder and the powder; and the interface stress can be well relieved. Due to the fact that the barrier layer contains fewer grain boundaries, diffusion of the Sb element can be better restrained. The shearing strength of the obtained brazed joint of skutterudite and the electrode reaches 33.6 MPa.

The invention relates to the technical field of sintering furnaces, and discloses an efficient metal injection molding vacuum degreasing sintering furnace which comprises a sintering furnace frame body, a furnace body is fixedly connected to the interior of the sintering furnace frame body, a furnace door is hinged to the open end of the furnace body, and a heating frame is arranged in the furnace body; a forming assembly used for sintering metal powder and adhesive mixtures injected into a mold cavity of the mold is arranged in the heating frame, and a vacuumizing assembly used for extracting air in the sintering furnace body is arranged on one side of the sintering furnace frame body. By arranging the detachable forming assembly and the forming mold, metal subjected to sintering forming can be conveniently replaced, the sintering position is constant, and it is effectively guaranteed that the quality of metal sintering blanks of the same batch is uniform; therefore, the air velocity in the heat conduction copper pipe is effectively improved, and the heat dissipation efficiency of inert gas in the conical shell is further improved through the heat conduction copper pipe.

The invention provides a fresh-keeping storage container and a refrigerator. The fresh-keeping storage container comprises an inner barrel body and an outer barrel body, wherein the inner barrel body is internally provided with a fresh-keeping storage space for placing stored objects; the first magnetic field assembly is arranged on the outer side of the side wall of one side of the inner barrel body; an air supply and return channel for refrigeration airflow to pass through is formed between the first magnetic field assembly and the side wall of the inner barrel body. According to the scheme, the air supply and return duct is arranged between the first magnetic field assembly and the inner barrel body, so that refrigeration airflow is closer to the fresh-keeping storage space, the fresh-keeping storage space can be refrigerated more quickly in the refrigeration process, the cooling speed is increased, the effective time for bacterial reproduction is shortened, and the fresh-keeping period is prolonged.

The invention relates to a temperature adjusting system and method in the spreading and airing process. The temperature adjusting system comprises an interlocking mechanism used for containing materials needing to be cooled. The negative pressure suction module is used for providing a negative pressure suction effect for the interlocking mechanism so as to form a negative pressure environment in the interlocking mechanism; the temperature monitoring module is used for collecting temperature information in the interlocking mechanism, the control module is in signal connection with the negative pressure suction module and the temperature monitoring module, and the control module is configured to control the working state of the negative pressure suction module according to temperature changes of materials in the interlocking mechanism. According to the invention, a complex equipment combination is replaced by a set of system. Therefore, the number of equipment is reduced, the space utilization rate is greatly improved, and the production environment is more efficient and neat. On the whole, by means of the innovative cooling method and system integration scheme, the production efficiency is improved, the production cost is reduced, and a solid foundation is laid for the intelligent process of the wine brewing industry.

The invention discloses a method for achieving titanium-aluminum alloy additive manufacturing through an electron beam spot melting process. The method comprises the steps that firstly, after a three-dimensional CAD model of a target product is established, layering slicing is conducted; 2, preheating and heat preservation of the substrate; 3, spreading powder and preheating a powder bed; 4, additive manufacturing process parameters are set, powder melting and solidification are carried out point by point, and a single-layer solid sheet layer is obtained; 5, carrying out secondary preheating treatment on the powder bed and descending the forming platform; and 6, repeating the process to obtain the titanium-aluminum alloy. A discrete point melting technology is adopted to replace a traditional line scanning continuous melting technology, point melting and solidification are carried out on a target area in a powder bed one by one, the size of a molten pool is reduced, the cooling speed of the molten pool is increased, the heat affected zone range of the edge of the molten pool is reduced, the influence time of the heat affected zone is shortened, and the uneven structure caused by aluminum element volatilization and phase change is avoided; and meanwhile, single-process printing of the titanium-aluminum alloy complex part is achieved, the difficulty and cost of the additive manufacturing process are reduced, and the method is suitable for the field of titanium-aluminum alloy additive manufacturing.

The invention belongs to the technical field of alloy forging, and discloses high-temperature alloy forging equipment and a forging method thereof.The high-temperature alloy forging equipment comprises a base and a forging frame fixed to the top of the base, a die column is fixedly arranged at the top of the base, and a material returning assembly is movably connected into the base in a sleeved mode. In the rotating process, the rotating cleaning cloth conducts contact cleaning towards the top face of the base, the outer side face of the die column and the top, it is guaranteed that chippings and particles generated in the forging process are fully cleaned out, it is guaranteed that a to-be-forged workpiece is placed and positioned stably, and it is avoided that residual solid matter influences positioning of the to-be-forged workpiece; the follow-up forging quality and stability are guaranteed, the forging effect is improved, cleaning operation is easy and convenient, reversing ventilation of the air supply assembly is matched, the top of the base can be directly purged through the material returning assembly, surface cooling is achieved while non-contact cleaning is achieved, and the cooling speed and the self safety are improved after the machine is shut down after forging is finished.

The invention discloses a GH738 alloy bar large-deformation semi-continuous efficient rolling device and technology. The requirements for the grain size and the durability are met at the same time by optimizing the heating and deformation technology in the semi-continuous rolling process. A large-deformation semi-continuous efficient rolling device and a corresponding process are adopted, wherein the large-deformation rolling is 50%-80%; heat is supplemented in the rolling process, and the blank temperature is increased; the finish rolling temperature is increased; and the rolled blank is rapidly heated by an induction coil, and hot straightening is carried out. The method disclosed by the invention has the beneficial effects that (1) the mode of large deformation and heat compensation by using a heating furnace midway is adopted, and the standard grain size requirement of grade 3-grade 6 is met; (2) the rolled blank is heated through an induction coil to be rapidly heated, hot straightening is carried out, and the roundness and the size of the bar are improved; and after standard heat treatment, a surface stress layer cannot be generated due to straightening, so that a coarse-grain ring cannot be generated.

The invention belongs to the technical field of metal powder material preparation, and relates to a preparation method of high-performance copper powder with high laser absorptivity and a 3D printing method.The preparation method comprises the following steps that firstly, spherical copper powder, nano ceramic particles and an auxiliary reagent are mixed to obtain mixed powder; 2, putting the mixed powder obtained in the step 1 into a grinding tank, and uniformly grinding and mixing through an acoustic resonance mixer; and 3, the mixed powder obtained after uniform grinding and mixing is placed in a vacuum drying box to be subjected to heat treatment, and the high-performance copper powder with the high laser absorptivity can be obtained after treatment is completed. According to the characteristics of the laser 3D printing technology, the nano ceramic particles are added into the spherical copper powder, the laser absorptivity is effectively improved, and the added auxiliary reagent has the effects of removing an oxidation film on the surface of the copper powder and improving the wettability of the copper powder and the nano particles in the printing process; meanwhile, the nano ceramic particles are used as a reinforcing phase, so that the mechanical property of the pure copper can be effectively improved.

The utility model discloses a heating discharge device of an electrical tar precipitator, which comprises a slag discharge port, the upper part of the slag discharge port is a square conical electric field bottom outlet, the lower part of the slag discharge port is a cylindrical tar discharge port, the lower end of the electric field bottom outlet is communicated with the upper end of the tar discharge port, and a quick-opening valve is arranged at the bottom of the slag discharge port. A ceramic heating rope is uniformly wound on the peripheral wall of the slag discharging opening; the slag discharge port of the electrical tar precipitator is arranged to be of a special structure with the square top and the round bottom, the electrical tar precipitator can be suitable for a drainage discharge port without a power supply, and fluid is decomposed into a rarefied spraying form or annular convection to achieve the purpose of impact counteracting; the quick-opening valve with an opening in the whole body is adopted, dynamic material flowing is quickly controlled, and operation is easy; the slag discharging opening is heated through the ceramic heating rope, and the ceramic heating rope has high high-temperature resistance, can stably work for a long time in a high-temperature environment, and is high in heating and cooling speed and low in energy consumption.

The invention relates to a fermented grain fermentation, blending, distillation and airing integrated system which comprises an integrated container used for containing fermented grains, a first production unit used for achieving fermented grain fermentation, a second production unit used for achieving fermented grain blending and airing and a third production unit used for achieving fermented grain distillation. The integrated container can be operated among the three production units by utilizing the hoisting function of the travelling crane, and in each production unit, the integrated container is specially assembled at the top and the bottom of the integrated container so as to realize different production processes, and the integrated container is designed to allow the integrated container to be conveniently assembled and disassembled under the condition that the structure of the integrated container does not need to be replaced. And multiple rounds of white spirit brewing among different production units are realized only by replacing internal fermented grains. The equipment can simultaneously meet the technological operation requirements of four procedures of fermentation, mixing, distillation and airing, the number of equipment in the production link is reduced, the equipment management and maintenance are more centralized, and the production efficiency is higher.

The invention relates to the technical field of screw compressors, in particular to a skid-mounted argon recovery screw compressor which comprises a base, a screw compressor body is fixedly mounted at the top of the base and provided with a suction end and an exhaust end, and the skid-mounted argon recovery screw compressor further comprises an exhaust pipe fixedly communicated with the exhaust end; the supporting frame is fixedly connected to the side wall of the base, and the top of the supporting frame is fixedly connected with a circular pipe through two supporting seats; the heat exchanger is composed of circular shells at the two ends and a plurality of heat exchange pipes, and the circular shell, close to the exhaust end, of the heat exchanger is fixedly communicated with the exhaust pipe; the control system controls the heat dissipation strengthening mechanism to assist the blowing mechanism to take away heat on the surface of the heat exchange pipe according to the temperature value detected by the detection unit, and the argon cooling speed can be increased, so that the situation that subsequent equipment is damaged or aged due to temperature rise caused by compression is avoided.

The invention provides a composite connection method for thick titanium alloy plates, and belongs to the technical field of metal material welding and additive manufacturing. According to the technical scheme, the method comprises the steps that symmetrical X-shaped grooves are machined in thick plate titanium alloy workpieces to be connected; a laser-electric arc hybrid welding system is adopted for conducting double-face bottoming welding on the X-shaped groove, so that a double-face bottoming welding seam is formed; and a powder feeding type laser cladding system is adopted, and multi-layer and multi-channel additive filling is conducted in the X-shaped groove above the double-face bottoming welding seam. According to the method, efficient laser-electric arc composite bottoming and low-heat-input laser cladding additive filling are separated, high-quality penetration of the root is guaranteed firstly, then welding deformation and residual stress are remarkably reduced through low-heat-input filling, the microstructure of a filling area is optimized, and therefore a welded joint with excellent comprehensive performance is obtained.

The utility model relates to the field of shaping and cooling devices, in particular to a PVC (polyvinyl chloride) film shaping and cooling device which comprises a base, a rotating bracket, a rotating motor, a rotating roller, a supporting piece, a heat conducting plate, radiating fins, a lifting bracket, a pressing plate and a locking knob, the top of the base is connected with the rotating bracket; the top of the rotating bracket is connected with a rotating motor; the output end of the rotating motor is in transmission connection with the rotating roller; the side surface of the rotating roller is rotationally connected with the side surface of the rotating bracket; a transmission supporting structure used for transmission tensioning is arranged on the top of the base. The top of the base is connected with the support; the top of the support is connected with the heat-conducting plate; the bottom of the heat-conducting plate is connected with multiple groups of radiating fins; the top of the base is connected with the lifting bracket; according to the device, the cooling speed of film raw materials can be effectively increased, meanwhile, the combination of the heat conduction plate and the heat dissipation fins can rapidly conduct the temperature, heat accumulation at the top of the heat conduction plate is avoided, and meanwhile the pressing plate can conduct pressing machining in the film raw material transmission process.

The invention relates to the technical field of cooling devices, and discloses a cooling device for iron casting production, which comprises a base, the top of the base is fixedly connected with a support frame, the inner wall of the support frame is provided with a fan assembly, the rear part of the base is fixedly communicated with a water inlet pipe, and the front part of the base is fixedly communicated with a water outlet pipe. After air cooling, the lifting frame is driven by the air cylinder to move so that an iron casting can be subjected to water cooling, manual contact is avoided, the service life of the equipment is prolonged, meanwhile, the cooling speed of the iron casting is further increased, the quality of produced cast iron is better, and before water cooling, the cooling efficiency is improved. The lifting frame moves to drive the pressing plate to move to clamp the iron casting, the position of the iron casting in water flow is prevented from being changed, cooling of the iron casting is more stable, the overall working efficiency of equipment is improved, and the overall quality of products is further improved.

The utility model discloses a box body and storage equipment, and belongs to the technical field of household appliances. The box body comprises: a housing; the inner container is installed in the shell, forms a chamber and is provided with first to fifth inner walls, the first to fourth inner walls are sequentially connected end to end and are all adjacent to the opening of the inner container, and the fifth inner wall is opposite to the opening of the inner container; the heat preservation layer is located between the shell and the inner container; the inner decoration plates are made of metal materials, and the first inner wall and the third inner wall are both provided with the inner decoration plates; the light source assembly comprises an area light source, is installed in the inner container and is located between the first inner wall and the third inner wall. The first inner wall and the third inner wall are each provided with a first protrusion for supporting the partition plate, a first installation space for installing the drawer is formed between the first protrusions and the fourth inner wall, and the interior trim panel is connected with the first protrusions. By means of the structure, interference of the interior trimming panel and the area light source in position layout is reduced, shadows and dark areas are reduced, and the interior of the storage equipment is brighter and clearer.

The invention provides a hydrogen fuel cell combined cooling heating and power system and a control method thereof. The system comprises a thermoelectric refrigeration device, a heat supply branch and a cooling branch, the first heat supply branch in the heat supply branches is composed of a thermoelectric refrigeration device, a heat exchanger and a hydrogen fuel cell and used for starting preheating of the hydrogen fuel cell. The second heat supply branch is used for recycling heat; a first cooling branch in the cooling branches consists of a thermoelectric refrigeration device, a cold exchanger, a heat exchanger and a hydrogen fuel cell, and is used for cooling the hydrogen fuel cell when the heat dissipation system fails; the second cooling branch consists of a thermoelectric refrigeration device, a cold exchanger, an inlet air compression device and a hydrogen fuel cell and is used for cooling inlet air of the hydrogen fuel cell; the third cooling branch is used for recycling cold energy; and the power supply branch is used for providing electric energy input for the hydrogen fuel cell. A complex inlet air cooling system of the hydrogen fuel cell is removed, the refrigerating and heating response speed is high, and safe operation of the hydrogen fuel cell system is guaranteed.

The utility model discloses an electric heating heat conduction oil furnace which comprises a furnace body, a concentric-square-shaped cavity is formed in the furnace body, two mounting plates are fixedly connected to the left side of the furnace body, transverse pipes are rotationally connected to the adjacent sides of the two mounting plates, the adjacent sides of the two transverse pipes are jointly communicated with a coiled pipe, and the coiled pipe is fixedly connected with the left side of the furnace body. Rotating joints are arranged on the opposite sides of the two mounting plates, the two transverse pipes are communicated with the corresponding rotating joints, the front side of the rotating joint located on the front side is communicated with the hollow-square-shaped cavity through a bent pipe, a liquid storage tank is arranged below the furnace body, and the liquid storage tank is communicated with the rear side of the rotating joint located on the rear side through a backflow pipe. The chemical product cooling device has the advantages that the electromagnetic valve is arranged on the coiled pipe, so that when cooling is needed, only the transverse pipe needs to be controlled to be conducted, the liquid outlet pipe needs to be blocked, oil flows in the coiled pipe and exchanges heat with the outside, the cooling rate of chemical products in the furnace body is increased, and the cooling speed of the oil in the coiled pipe is further increased through swinging of the coiled pipe.

The utility model relates to the technical field of condensers, and particularly discloses a novel condenser which comprises a shell assembly, a condensation assembly, a first water storage assembly and a second water storage assembly, the condensation assembly is located in the shell assembly, and the first water storage assembly and the second water storage assembly are fixedly connected to the two sides of the shell assembly respectively. The shell assembly comprises a rear vertical plate, a front plate, an upper plate, a lower plate, a first vertical plate and a second vertical plate, the rear vertical plate is of a C-shaped structure, one end of the rear vertical plate is fixedly connected with the first vertical plate, the other end of the first vertical plate is fixedly connected with the front plate, the other end of the front plate is fixedly connected with the second vertical plate, and the other end of the second vertical plate is fixedly connected with the rear vertical plate; the rear vertical plate, the first vertical plate, the front plate and the second vertical plate are connected end to end, and the upper plate and the lower plate are both perpendicular to the front plate. Water can be stored in the condenser, the condensation effect is improved, the replacement speed of condensate is increased, and the heat exchange efficiency of the condenser is improved.

The utility model provides a convenient bumping-resistant low-temperature transportation device which comprises an outer handle, a heat preservation box body, a temperature controller, a Stirling unit, a cooling pipe, a heat preservation box and a sealing strip, a left end cover is clamped on the left end face of the heat preservation box body, a right end cover is clamped on the right end face of the heat preservation box body, dustproof nets are installed on the front end face and the rear end face of the right end cover, and the outer handle is installed on the upper end face of the left end cover. A heat preservation door body is clamped on the upper end face of the heat preservation box body, a unit assembly is arranged in the right end cover and comprises a Stirling unit, a cooling pipe and a heat preservation box, the Stirling unit is installed on the right end face of the heat preservation box body, the heat preservation box is arranged on the upper end face of the Stirling unit, and the cooling pipe is arranged on the right end face of the heat preservation box. A door handle is arranged on the front end face of the heat preservation door body, a door upper cover is arranged on the rear side face of the heat preservation door body, the heat preservation box body in the design is good in sealing performance, so that the heat preservation performance of the transportation device is good, fluoride-free environment-friendly hydrocarbon refrigerants are used, the refrigeration speed is high, and practicability is good.

The utility model relates to the technical field of machinery manufacturing, in particular to a bulldozer crawler-type carburizing sleeve quenching tool which comprises a bottom plate, a heating mechanism, a cooling box and a spraying mechanism, the heating mechanism is arranged at the upper end of the bottom plate, the cooling box is arranged at the upper end of the bottom plate, the spraying mechanism is arranged at the upper end of the cooling box, and the spraying mechanism is arranged at the lower end of the cooling box. A filter box is mounted on one side of the cooling box in an embedded manner, and an air outlet filter screen is arranged on the other side of the cooling box; the heating mechanism is arranged, in the using process, a first motor and a heater are started, the first motor drives the shell to rotate, the heater heats raw materials, the shell rotates to enable the raw materials to be evenly heated, and the situation that the production qualification rate is reduced due to uneven heating is avoided; and after raw material processing is completed, raw materials are cooled through the spraying mechanism, meanwhile, a second motor is started in the cooling process to drive fan blades to rotate, water vapor generated in the water spraying cooling process is discharged through an air outlet filter screen, and the production efficiency is improved.

The invention discloses a geological sample digestion instrument temperature measuring device, and relates to the technical field of digestion instruments, the geological sample digestion instrument temperature measuring device comprises a digestion instrument body, a box cover and a sample test tube, the outer surface of the box cover is provided with a display screen, the bottom of the outer surface of the box cover is fixedly connected with a hinge piece through a bolt, and the box cover is hinged to the digestion instrument body through the hinge piece; a stirring assembly is arranged in the box cover and comprises an electric telescopic rod fixedly connected to the upper surface of the box cover, and the telescopic end of the electric telescopic rod is fixedly connected with a fixing frame. The first rotating block drives the temperature measuring rod to rotate, so that the temperature measuring rod inserted into the digestion solution stirs the digestion solution, the digestion solution and the geological sample are fully mixed, uneven heating caused by sedimentation of the geological sample is prevented, it is guaranteed that the geological sample can be fully heated in the digestion solution, and it can also be guaranteed that the geological sample can be effectively digested; the problem of incomplete digestion caused by sedimentation and accumulation of the geological sample is prevented, and the digestion efficiency is improved.

The utility model discloses a wiredrawing device for preparing superfine glass fiber cotton, and relates to the technical field of glass fiber wiredrawing, the wiredrawing device comprises a work box, a cooling mechanism is arranged outside the work box, the cooling mechanism comprises a first fixing plate, the outer surface of the first fixing plate is fixedly connected with the work box, and the outer surface of the first fixing plate is fixedly connected with the work box. The inner wall of the first fixing plate is fixedly connected with a condensation pipe, and the outer surface of the condensation pipe is fixedly connected with the working box. Through cooperative arrangement of a condensation pipe, a first water pump, a connecting pipe, a condenser, a first partition plate, a screw rod, a first moving plate, a first rotating rod, a first wire drawing wheel, a first motor, a first chain wheel, a first chain and a second chain wheel, water in the working box can be continuously cooled under the action of the condensation pipe; and the situation that the water temperature is increased due to the fact that water in the working box is cooled when the glass fibers are used for a long time is avoided, so that the cooling speed of the glass fibers is increased, and the working efficiency of wiredrawing is improved.

The utility model relates to a cold -air machine with adjustable pedestal, including cold -air machine body, the pedestal that is fixedly arranged below cold -air machine body, the pedestal includes the square board that is arranged below cold -air machine body, the adjusting device that is arranged on the square board, a plurality of support legs that are fixedly arranged below the square board, the wheel that is respectively arranged on a plurality of support legs, the adjusting device includes the first motor that is fixedly arranged below the square board, the first gear that is fixedly arranged in the first motor output, the second gear that rotatably arranged below the square board and is engaged with the first gear, the carousel that is fixedly arranged on the second gear, the drive mechanism that is arranged on the carousel is used to drive the up-and-down swing of cold -air machine body. Use this cold -air machine, and cold -air machine body can swing up and down while carrying on autogyration, two kinds of movement modes do not interfere with each other, realize compound air supply mode, significantly increase the coverage area and air disturbance of cold air, promote the mixing and diffusion of cold air and indoor hot air, accelerate the overall cooling speed.

The utility model relates to a fine and uniform reaction kettle for processing a synthetic leather treating agent, which is characterized in that a stirring device comprises a stirring shaft, a first stirring component, a second stirring component and a third stirring component which are sequentially arranged from top to bottom along the stirring shaft; the first stirring assembly comprises a first stirring rod, a second stirring rod, a first stirring blade and a second stirring blade, the first stirring blade is arranged at one end of the first stirring rod, the other end of the first stirring rod is connected with the stirring shaft, and the second stirring blade is arranged at one end of the second stirring rod; one end of the second stirring rod is connected with the kettle cover, the other end of the second stirring rod is connected with the stirring shaft, the second stirring assembly comprises a first U-shaped stirring rod, a first auxiliary stirring rod and a second auxiliary stirring rod, the first U-shaped stirring rod is arranged on the stirring shaft, and an opening of the first U-shaped stirring rod faces the kettle cover.

The utility model relates to a kind of cement stabilized macadam mixing devices of admixture recycling powder, it is related to recycling powder mixing technical field, including pre-stirring cooling cylinder, the top of pre-stirring cooling cylinder is provided with feed inlet, the inside opposite side between pre-stirring cooling cylinder is all provided with stirring assembly, the outer surface wall of pre-stirring cooling cylinder is provided with annular body, the top of annular body is provided with annular rack;Beneficial effect: by pre-stirring cooling cylinder, aggregate and recycling powder can be first stirred and mixed by stirring assembly, the heat absorption capacity of aggregate is reduced recycling powder temperature, then by fan device, the inside of pre-stirring cooling cylinder can be blown and cooled, water component is used to let the spray head body can be conveniently sprayed to carry out cooling treatment, which can accelerate the cooling efficiency of recycling powder, as far as possible can save time, and the cement stabilized macadam mixing efficiency is improved.

The utility model discloses a wireless charger, and belongs to the technical field of wireless charging. According to the wireless charger provided by the utility model, when the semiconductor chilling plate works, the low-temperature side of the semiconductor chilling plate can cool air in the first cavity, then the low-temperature air is blown to the first channel through the blowing piece, and finally the low-temperature air is blown out through the first air outlet; the first air outlet is arranged opposite to the wireless receiving coil assembly of the charging equipment, so that the cooling speed of the wireless receiving coil assembly can be greatly improved, and the heat dissipation effect is improved; meanwhile, the air blowing piece can blow air heated by the high-temperature side of the semiconductor chilling plate in the first cavity to the second channel, so that the high-temperature air is exhausted through the second air outlet, and the situation that the temperature of the wireless charger rises due to the fact that the high-temperature air remains in the shell and the second air outlet and the charging equipment are arranged in a staggered mode is avoided; and the heat dissipation effect of the charging equipment is further improved.

The invention belongs to the technical field of medical instruments, and particularly relates to a cavity tissue ablation device and an adaptive ablation needle thereof.The cavity tissue ablation device comprises an ablation host and an ablation needle assembly, the ablation needle assembly comprises a holding handle, an ablation needle body and a tube body assembly, the ablation needle body is installed at one end of the holding handle, and the tube body assembly is installed at the bottom of the holding handle; the top end of the tube body assembly penetrates through the holding handle and is connected with one end of the ablation needle body; the ablation needle body comprises a puncture needle and an injection tube, the injection tube is arranged in the middle inside the puncture needle, and a first injection hole is formed in the outer side of one end of the injection tube. According to the ablation needle, a medium can be injected into a cavity of a focus through the injection pipe arranged in the ablation needle, and heat conduction is accelerated through the injected medium in the ablation process, so that the cooling speed of the cavity focus is increased, the cooling speed of the focus is increased, the ablation time is shortened, and the possibility that normal tissue is damaged is reduced.

The utility model relates to the technical field of vacuum cups, in particular to a vacuum cup structure which comprises a heat preservation base. An inner container is arranged in the heat preservation base; a telescopic sleeve capable of axially stretching out and drawing back is arranged between the heat preservation base and the inner container; a cup cover is arranged at the top of the inner container; the inner container is sleeved with the telescopic sleeve, and the telescopic sleeve is connected with the cup cover; when a user has a quick cooling drinking requirement or needs to sense the temperature of liquid in the inner container, the telescopic sleeve is retracted into the heat preservation base, the upper portion of the inner container is exposed in the air at the moment, and the cooling speed of the liquid in the inner container is higher without heat preservation of the telescopic sleeve at the moment; meanwhile, a user touches the exposed inner container with the hand, the temperature of the liquid can be sensed in real time, the drinking opportunity is judged, and scalding is avoided.