8354 results about "Cooling pipe" patented technology

The invention discloses a concrete curing device for constructional engineering, and belongs to the technical field of constructional engineering. The device comprises the following modules: a data acquisition and sensing module for acquiring real-time parameters of the interior and surface of concrete through a temperature and humidity sensing network and a plurality of detection devices so as to support subsequent data analysis and decision; the internal temperature control execution module is used for controlling the internal temperature of the concrete through a snake-shaped cooling pipeline and precise flow regulation and maintaining the concrete within a proper curing temperature range; the surface curing execution module is used for continuously curing the concrete surface, and all-directional spraying of concrete surface curing moisture and cyclic utilization of water resources are achieved; the central control module is responsible for data analysis, maintenance decision optimization and execution instruction distribution, and intelligent control and remote monitoring of the maintenance process are achieved; and the performance evaluation module monitors the concrete strength development in real time, evaluates the maintenance effect, provides trend analysis and optimization suggestions, and provides a basis for continuous improvement of a maintenance decision.

The invention discloses a cooling pipeline assembly for a fusion reactor, and relates to the technical field of fusion reactors. The cooling pipeline assembly comprises a fixed base, a supporting part and a buffer part, and a supporting column extending in the height direction is arranged on the fixed base; a mounting part is formed at at least one end of the supporting part in the width direction, a mounting hole is formed in the mounting part, the mounting hole is through in the height direction and extends in the front-back direction, and the supporting column can move in the mounting hole in the front-back direction; the buffering piece is connected with the supporting column and the mounting part and used for keeping the supporting column and the mounting part at the preset position, and the buffering piece is suitable for deforming when the supporting part is driven to move relative to the fixed base after the pipeline deforms so as to adjust the relative position of the supporting column and the mounting part. According to the cooling pipeline assembly, through mutual cooperation of the fixing base, the supporting component and the buffering piece, the supporting component can move along with thermal deformation of the pipeline, stress concentration is relieved, and safe and stable operation of the cooling pipeline assembly and a fusion reactor is guaranteed.

The present disclosure discloses a dual liquid-cooling radiator for a semiconductor refrigeration system, including a first upper cold head module, a first lower cold head module, a second cold head module, and a semiconductor refrigeration chip. The temperature of a first liquid-cooling radiator is reduced through the conduction of the semiconductor refrigeration chip to reduce the temperature of a CPU. The heat generated by the semiconductor refrigeration chip is conducted through the second cold head module to reduce the temperature. A temperature control PCB adjusts the cooling temperature of the semiconductor refrigeration chip according to the temperature of the computer. A first water-cooled pipe and a second water-cooled pipe use a quick disassembly and assembly structure.

The disclosure discloses a chip cooling platform based on micro-nano structure, including a platform body, a cooling pipeline and an outer heat dissipation device, where the cooling pipeline is in a closed-loop structure, and part of the cooling pipeline is arranged in the platform body; the cooling pipeline is filled with cooling medium, and an inner wall of the cooling pipeline located in the platform body is provided with a turbulence structure; and a unidirectional hydraulic pump I is installed on the cooling pipeline arranged outside the platform body; the outer heat dissipation device is used for radiating the cooling medium in the cooling pipeline.

The utility model discloses an extrusion cooling device for MPP cable protection tube processing, which belongs to the technical field of MPP cable protection tube processing, and is characterized by comprising a base, the top of the base is fixedly connected with a cooling assembly, the top of the base is fixedly connected with a spraying assembly, the cooling assembly comprises a supporting frame, and the supporting frame is fixedly connected with the spraying assembly. The supporting frame is fixedly connected to the top of the base, the sealing heads are fixedly connected to the interior of the supporting frame, the cooling channel is fixedly connected between the opposite sides of the sealing heads, and the cooling pipe is fixedly connected to the interior of the cooling channel. The structure of the pipe is stabilized from the inside through preliminary cooling, stress concentration possibly generated by shock cooling is reduced, and therefore the quality of the pipe is improved, spraying cooling of the pipe is achieved through the spraying assembly, the effect of rapidly reducing the surface temperature of the pipe is achieved, and the pipe rapidly reaches the state close to the normal temperature.

The invention relates to the technical field of automobile engine cooling, in particular to an engine cooling device which comprises a heat dissipation shell and a cooling assembly. A liquid inlet is formed in the top wall of the heat dissipation shell, a liquid outlet is formed in the bottom wall of the heat dissipation shell, the liquid inlet communicates with a liquid inlet pipe, the liquid outlet communicates with a liquid outlet pipe, the end, close to the heat dissipation shell, of the liquid inlet pipe communicates with the end, close to the heat dissipation shell, of the liquid outlet pipe through a cooling pipe, and a plurality of heat dissipation fins distributed at intervals in the first direction are arranged in the heat dissipation shell. A plurality of through holes are formed in one side of the heat dissipation shell in a penetrating mode in the second direction, and the second direction is perpendicular to the first direction; the cooling assembly comprises a fan unit, the fan unit is located on the side, close to the through hole, of the heat dissipation shell, and the fan unit is slidably connected to the heat dissipation shell in the first direction so as to adjust the distance between the fan unit and the heat dissipation shell. The position of the fan can be adjusted according to the actual heat dissipation condition, so that the heat dissipation effect is improved.

The utility model relates to an unprocessed grain storage pulse dust collector for feed production, which comprises a dust collection shell, an air bag is fixed on one side of the dust collection shell; the anti-frosting assembly is arranged on one side of the air bag, the anti-frosting assembly comprises a temperature and humidity control part, and the temperature and humidity control part is used for controlling the temperature and humidity of air entering the air bag; the temperature and humidity control part comprises a hollow cooling tank and a heating tank, a spiral cooling pipe is fixed in the hollow cooling tank, and a semiconductor chilling plate and a water pump are arranged in the hollow cooling tank. High-temperature air is cooled through the hollow cooling tank and the spiral cooling pipe in the hollow cooling tank, low-temperature air is heated through the heating wire in the heating tank, and humidity in air is reduced while the temperature is regulated and controlled through the hollow cooling tank and the heating wire; deformation, damage and aging of the filter bag under high-temperature and low-temperature conditions can be avoided, and reduction of filtering efficiency due to caking of dust on the filter bag is prevented.

The utility model relates to the technical field of power distribution cabinets, and in particular to a ventilation mechanism of a positive pressure explosion-proof power distribution cabinet, comprising a power distribution cabinet, wherein an air inlet device is arranged on the top of the power distribution cabinet, the air inlet device comprises a box body arranged on the top of the power distribution cabinet, an air inlet is opened on the side of the box body, a dust cover is arranged on the outer side of the air inlet, the bottom of the box body is connected with the inside of the power distribution cabinet body through a through hole opened on the top of the power distribution cabinet body, a filter bin is arranged inside the box body, a heat dissipation device is arranged at the bottom end of the inside of the power distribution cabinet body, the heat dissipation device is composed of a heat exchange box, a cooling pipe and a support box, and is used to reduce the heat generated by the long-term use of electrical components in the cabinet. The ventilation mechanism of the positive pressure explosion-proof power distribution cabinet realizes the replacement of clean gas inside the power distribution cabinet through the air inlet device and the air outlet pipe, realizes efficient heat dissipation inside the power distribution cabinet through the unique heat dissipation device, increases practicality, and further improves the safety of the positive pressure explosion-proof power distribution cabinet.

The present application belongs to the technical field of mass concrete construction, and aims to solve the problem of high thermal resistance and slow heat dissipation of traditional cooling pipe laminar bottom layer, and discloses a gravity dam construction cooling water pipe based on destruction of laminar bottom layer and a method thereof. The cooling water pipe comprises a plurality of series water pipe units, each water pipe unit comprises a steel pipe, a flexible spring hose is arranged in the steel pipe, and the spring hose forms a spiral protruding turbulence structure along the inner wall of the steel pipe; the hose is fixed by pointwise anchoring and outer wall surface bonding with glue, and a ring is arranged at both ends for limiting and assisting turbulence. The present application breaks through the thermal resistance of laminar bottom layer, greatly improves the hydration heat conduction efficiency, is convenient to construct and has durable structure, and is suitable for mass concrete temperature control requirements.

The invention provides an air-cooling and water-cooling integrated dry-type transformer, and relates to the field of transformers. The air-cooling and water-cooling integrated dry-type transformer comprises a transformer body, an annular gap is reserved between a primary winding insulating layer and a secondary winding insulating layer of the transformer body, a cooling pipeline is installed in the annular gap, a liquid inlet channel and a liquid outlet channel are arranged in the cooling pipeline, and the section of the cooling pipeline is in an 8 shape; according to the air-cooling and water-cooling integrated dry-type transformer, air cooling and water cooling are cooperatively used for heat dissipation, the heat dissipation efficiency is improved, the 8-shaped cooling pipeline is arranged, cooling liquid circularly absorbs heat of the winding through the liquid inlet channel and the liquid outlet channel, the spiral design increases the contact area and duration, the air cooling channel conducts double air cooling on the surface of the winding and the surface of the cooling liquid pipeline through the air spraying holes, and the cooling efficiency is improved. And the splayed structure of the gas spraying holes promotes gas-liquid heat exchange, the synergistic effect of assisting water cooling with air cooling and promoting air cooling with water cooling is formed, and the heat dissipation efficiency is greatly improved.

The linear guide rail with the cooling structure comprises a guide rail body and a sliding block, a sliding groove is formed in the sliding block, the sliding block is arranged on the guide rail body in a sliding mode through the sliding groove, the guide rail body is installed on a gasket, a first installation groove in the length direction of the guide rail body is formed in the surface of the gasket, and a cooling pipe is arranged in the first installation groove. An air cooling structure is further arranged in the sliding block. According to the utility model, the cooling pipe is laid on the gasket, and the circulating cooling liquid is introduced into the cooling pipe to cool the guide rail above the cooling pipe; an air cooling structure is further arranged in the sliding block, the sliding block is cooled in the movement process of the sliding block, power in a certain direction can be increased for the sliding block by closing an air outlet in the front end or the rear end of the air cooling structure, and the movement speed of the sliding block is increased.

The invention discloses a composite efficient heat dissipation type modular data center, and belongs to the technical field of data centers, the composite efficient heat dissipation type modular data center comprises a data module and a data cabinet body provided with a liquid cooling center and an air cooling center, an integrated data seat is arranged in the data cabinet body, and a liquid cooling pipe distribution chamber is arranged between the back of the integrated data seat and the data cabinet body; the integrated data base is provided with a plurality of module slots for the data modules to be inserted, and the side walls of the two sides of the opening of the data cabinet body are provided with wind blocking partition plates. Through the combined design of liquid cooling and air cooling, when a data module in the data center is burnt down due to a fault, particulate matters generated by the data module can be rapidly sucked away by strong suction force generated by the air suction opening in the air blocking partition plate and are discharged through the air backflow cavity; particulate matters generated by burning are prevented from being blown away by air cooling airflow and polluting adjacent health data modules, and the risk of secondary pollution and the cleaning difficulty in the maintenance process are greatly reduced.

The invention relates to the technical field of gear oil injection, and provides a power plant coal mill bull gear oil spraying device which comprises an oil storage tank used for storing oil, one side of the oil storage tank is communicated with a pump body provided with two liquid outlets, the two liquid outlets of the pump body are communicated with a spraying assembly in a coal mill gearbox through oil injection pipes, and the spraying assembly is communicated with the oil storage tank. The spraying assembly is driven by an electric push rod to be stored, a cavity is formed in the other side of the oil storage tank, a motor is installed in the cavity, and two cooling pipes in the oil storage tank are located on the outer wall of the motor in a spiral mode so that energy transmission between the cooling pipes and the motor can be achieved. The phenomenon that the spray head is blocked due to exposure in air is avoided, the spraying efficiency of lubricating oil is ensured, meanwhile, the flowability and the lubricating performance of the lubricating oil are ensured through energy conversion, the lubricating effect is improved, gear abrasion is reduced, the service life of the gear is prolonged, and on the contrary, a certain cooling effect can be achieved on the motor.

The invention provides welding equipment for photovoltaic support assembly, and belongs to the technical field of photovoltaic support welding, the welding equipment comprises a supporting frame and a processing table, the supporting frame is connected with a supporting seat, an electric sliding table is arranged on the inner side of the supporting seat, an air cylinder and a welding head are arranged on one side of the electric sliding table, and a pipeline assembly is arranged on the inner side of the supporting seat; the eliminating assembly is used for cleaning dirt on the inner wall of the pipeline assembly; the screening assembly is used for filtering the cooling water in the pipeline assembly; the cooling device has the beneficial effects that the extrusion block can extrude the pressure sensor by increasing the water pressure, so that a chemical solution is released into the spiral cooling pipe, adhesion of impurities to the inner wall of the spiral cooling pipe is reduced, the cooling effect on a welding head is guaranteed, heat damage to the welding head is relieved by timely heat dissipation and cooling, the service life is prolonged, and the production cost is reduced. Meanwhile, the filter cartridge is cleaned through the scraper, so that the blockage of the filter cartridge is reduced, and the filtering effect is improved.

The invention discloses a hydrogen supply and energy storage device which comprises a hydrogen storage tank body, a gaseous hydrogen storage tank is installed in the hydrogen storage tank body, a liquid hydrogen storage tank is installed on the hydrogen storage tank body, a supporting plate is fixedly connected to the hydrogen storage tank body, and a cooling liquid storage box is installed at the top end of the supporting plate. A transverse plate is fixedly connected to the side wall of the cooling liquid storage box, metal cooling fins are arranged on the side wall of the transverse plate, and the cooling device further comprises a cooling circulation assembly and an air blowing cleaning assembly. A motor drives a first sector gear to rotate, the first sector gear is alternately engaged with a transmission gear and a driven gear, so that a rotating shaft drives metal heat dissipation fins to rotate for heat dissipation, and meanwhile, the driven gear drives cooling liquid to circularly flow in a sealing pipe, a cooling pipe and a liquid inlet pipe through a connecting rod and a piston rod; and cold airflow generated by the fan is used for dissipating heat of the hydrogen conveying pipe, so that the heat dissipation effect is improved.

The invention relates to the field of transformers, in particular to a high-heat-dissipation type transformer with an inner air guide pipe structure and a using method thereof.The high-heat-dissipation type transformer comprises a protective shell, a heat dissipation base is fixed to the inner wall of the protective shell, a transformer body is fixedly connected to the top end of the heat dissipation base, and heat dissipation fins are fixed to the two side walls of the transformer body; a cooling pipeline is fixed to the side wall of the protective shell, and an air outlet pipeline is fixed to the side wall of the other side of the protective shell. According to the high-heat-dissipation type transformer with the inner air guide pipe structure, driven fan blades are arranged to drive a plurality of air suction fan blades to rotate, hot air flow on the upper layer of the protective shell enters through an air inlet, is discharged through the driven fan blades again, is collected with hot air flow in an air outlet pipeline and is discharged, the air displacement is increased, and circulation of the air flow is increased, so that the heat dissipation efficiency of the transformer is improved. And heat exchange operation is accelerated, and heat dissipation is facilitated.

The invention relates to the technical field of nuclear fusion devices, and discloses a fusion device cooling pipe welding method and welding device.The fusion device cooling pipe welding method comprises the following steps that two cooling pipes to be welded are prepared; an adapter is welded to the welding face of one cooling pipe, and the nickel content of the adapter is higher than that of the cooling pipe; the radial interior of the adapter and the to-be-welded face of the adapter are polished; the two cooling pipes are assembled, so that the welding face of the other cooling pipe is in butt joint with the to-be-welded face of the adapter; and carrying out self-fusion welding on the adapter and the other cooling pipe. According to the welding method for the cooling pipe of the fusion device, the problem that the magnetic conductivity of the cooling pipe exceeds the standard is solved, and meanwhile the welding quality and the welding qualification rate of the cooling pipe are improved.

The invention discloses a new energy automobile heat dissipation system and method based on gallium-based double-state alloy. The heat dissipation system comprises a cooling pipeline, and the cooling pipeline is filled with a gallium-based double-state alloy cooling medium; the cooling pipeline is connected with a charging pile or an automobile heating part and a radiator; the electromagnetic pump is arranged on the cooling pipeline so as to drive the gallium-based double-state alloy cooling medium in the cooling pipeline to circularly flow between the radiator and the heating component; the controller is electrically connected with the electromagnetic pump so as to control starting, stopping and the rotating speed of the electromagnetic pump; heat brought out by the radiator and the gallium-based alloy from the heating component is released in the radiator, and the cooled alloy circularly returns to the heating component through the cooling pipeline to form closed circulation. According to the invention, a complete heat dissipation management scheme from extremely cold starting to high-power steady-state operation is realized; a'double-state 'working mode enables a heat dissipation medium to have the functions of phase change heat absorption and liquid circulation cooling; and the dilemma problem that a traditional coolant is insufficient in low-temperature freezing and high-temperature heat dissipation performance is solved.

The air-cooled handheld laser welding gun comprises a gun body and a grip connected with the gun body, a light inlet light path and a light inlet are arranged in the grip, a light outlet light path and a light outlet are arranged in the gun body, at least one group of detachably connected lens modules is arranged in each of the light inlet light path and the light outlet light path, and the lens modules are detachably connected with the grip. The gun body is provided with an adjusting assembly for reflecting laser in the light inlet light path to the light outlet light path, a reflecting mirror is arranged in the adjusting assembly, the laser is reflected from the light inlet light path to the light outlet light path through the reflecting mirror, the air cooling assembly comprises an air cooling pipe and an air cooling channel connected with the air cooling pipe, one end of the gun body is connected with a light outlet nozzle assembly, and the other end of the gun body is connected with the light outlet nozzle assembly. The light outlet nozzle assembly is connected with a light outlet pipe and a welding nozzle. According to the welding gun, the gas path is arranged around the light path, the gas path forms a loop to cool the light path, the gun body and the grip are cooled, meanwhile, the lens on the light path can be cooled, and the service life of the welding gun and parts is prolonged.

The invention provides a thermal radiation shielding assembly and a thermal radiation shielding system of a star imitator, the thermal radiation shielding assembly comprises a plasma container and a Dewar tank surrounding the periphery of the plasma container, and a first thermal radiation shielding part is arranged in an annular cavity formed between the plasma container and the Dewar tank; the first heat radiation shielding part is fixedly arranged on the periphery of the plasma container in a surrounding mode and comprises a cold pipe assembly, a first heat insulation assembly, a first cold shield assembly and a first supporting assembly; the cooling pipe assembly comprises a cooling pipe which surrounds and is attached to the peripheral wall of the plasma container to extend; the first heat insulation assembly extends around the plasma container, and the inner side surface of the first heat insulation assembly is attached to the peripheral wall of the cooling pipe assembly. The first cold shield assembly and the first heat insulation assembly extend around the plasma container at an interval; the first cold shield assembly is fixed to the outer wall of the plasma container through the first supporting assembly to form multiple heat radiation shielding layers, and high-temperature heat radiation from the plasma container can be isolated.

The invention discloses a rapid freezing device for abalone production and processing, and relates to the technical field of freezing, the rapid freezing device comprises an outer frame, a conveying assembly, a cooling assembly and a pre-cooling assembly, and rapid freezing of abalones is completed through cooperation of the conveying assembly, the cooling assembly and the pre-cooling assembly. Liquid nitrogen is sprayed to abalones conveyed on the conveying assembly through the annular cooling pipe and the nozzles so that the abalones can be quickly frozen through the liquid nitrogen, and the liquid nitrogen is stirred and disturbed through the cold air circulation mechanism so that it can be ensured that the liquid nitrogen makes full contact with the abalones in multiple directions and freezes the abalones; the tail end of the annular cooling pipe is communicated with the pre-cooling pipe through the arranged connecting pipe, so that residual liquid nitrogen in the annular cooling pipe is conveyed to the pre-cooling area, the pre-cooling pipe sprays the residual liquid nitrogen conveyed into the pre-cooling pipe from the air spraying groove to the abalones just entering the outer frame, and therefore the residual liquid nitrogen is used for pre-freezing the abalones; the freezing speed of the abalones is accelerated.

The invention discloses microelectronic magnetic force detection equipment and a method thereof, and belongs to the technical field of microelectronic magnetic force. The microelectronic magnetic force detection equipment comprises an equipment main body, a locking mechanism, a clamping mechanism and a detection mechanism; the lower portion of the equipment body is connected with the locking mechanism, the upper portion of the equipment body is connected with the clamping mechanism, and the detection mechanism is arranged on the right side of the equipment body. By means of the mode, the function of continuous feeding and discharging is achieved through the clamping mechanism and the locking mechanism, detection continuity is achieved, automatic operation is achieved in the whole process, and the operation stability is achieved while the working efficiency is improved; the detection capability is further expanded by adopting an array form of the atomic magnetometers, multi-angle synchronous detection can be realized after a plurality of atomic magnetometers are combined into an array, and meanwhile, the surface of the chip is cooled by blowing air through the cooling pipes at different angles, so that non-uniform temperature of the magnetic core in the detection process is prevented, and the detection precision is improved. And the stability of magnetic force detection is improved.

The invention discloses a self-suction type optical fiber laser cutting machine which comprises a machine body, a workbench is arranged in the machine body, a portal frame is arranged on the machine body, a laser cutting head is arranged on the portal frame, a self-suction device moving along with the laser cutting head is installed in the workbench, and a cooling assembly is arranged at the head end of the self-suction device. A cyclone separation assembly is arranged at the middle section of the self-suction device, and a filtering assembly is arranged at the tail end of the self-suction device; through real-time position linkage of the moving assembly and the laser cutting head, the self-suction device can accurately follow the cutting head to move, and it is ensured that the suction range always covers the cutting area; according to the cooling assembly, a right-angle bent-pipe-shaped slag cooling pipe is embedded in a water tank, the design of a spoke type contact plate is combined, and the temperature of molten residues is rapidly reduced through heat exchange between cold water and the inclined contact plate; through the synergistic effect of the cyclone separation assembly and the filtering assembly, efficient separation of smoke dust and residues is achieved, and two-stage purification of smoke is achieved through the Y-shaped filter and the activated carbon layer.

The invention discloses a stirring friction additive manufacturing device and method, relates to the technical field of additive manufacturing, and aims at solving the problems that in existing additive manufacturing, reinforced phases are not evenly distributed, an additive device is prone to being abraded, and the performance of a deposited material is degraded The device partially comprises a stirring head, a follow-up sleeve, a liquid cooling pipe and a metal matrix composite raw material rod. The follow-up sleeve is nested on the outer side of the stirring head, the liquid cooling pipe is used for continuously cooling and controlling the temperature of an additive tool and is mounted on the outer wall of the follow-up sleeve, the metal matrix composite raw material rod is fed to the stirring head, and pre-mixed powder of gel and a corrosion inhibitor is added into the metal matrix composite raw material rod to be combined with the metal slim pipe, so that the additive tool can be continuously stirred. The problem of uniform distribution of the reinforced phase of the aluminum-based composite material is solved, and meanwhile, the corrosion-resistant design of the deposited material is realized. The method is wide in application range, and can be suitable for reliable solid-phase deposition manufacturing of various low-volume-fraction metal-based composite materials such as aluminum-based, magnesium-based, copper-based and zinc-based composite materials.

The invention relates to the technical field of charging cabins, and one embodiment of the invention provides a preassembled type electric automobile liquid cooling charging cabin which comprises a cabin body and further comprises a partition plate, a first cooling pipe network, a second cooling pipe network, a liquid storage tank, a refrigerating machine, a conveying pump and an air cooling mechanism, the partition plate is fixedly connected into the cabin body, and the cabin body is divided into a power distribution cavity and a plurality of charging cavities; the first cooling pipe network is located in the partition plate, the second cooling pipe network is located in the bottom wall of the charging cabin, the liquid storage tank is fixedly connected into the power distribution cavity, the refrigerating machine communicates with the liquid storage tank through a circulating pipe, the input end of the conveying pump communicates with the liquid storage tank, and the output end of the conveying pump communicates with the first cooling pipe network and the second cooling pipe network. The first cooling pipe network communicates with the liquid storage tank, and the air cooling mechanism and the first cooling pipe network cooperate to conduct air cooling on the interior of the charging cavity. By means of the technical scheme, the technical problem that in the prior art, a cooling fan is used for cooling, and rapid cooling is difficult to achieve is solved.

The invention relates to the technical field of new energy automobile charging cables, and discloses a new energy automobile charging cable with heat dissipation performance, the automobile charging cable is composed of a cable body and a plurality of heat dissipation pieces, and the plurality of heat dissipation pieces are distributed in a linear array along the length direction of the cable body; wherein each heat dissipation piece comprises a cooling pipe, a trigger pipe and a sleeve, the cooling pipe and the trigger pipe are both arranged on the cable body in a sleeving mode, the sleeve is also arranged on the cable body in a sleeving mode, the cooling pipe and the trigger pipe are both arranged in the sleeve, and trigger media are accumulated in the trigger pipe. According to the designed heat dissipation piece, the continuous cooling effect of the cooling pipe and the cooling liquid in the cooling pipe on the cable body is guaranteed, the heat dissipation efficiency is improved through an automatic circulation mechanism, and therefore the heat dissipation performance and stable operation of the cable body are effectively guaranteed.

The invention discloses an automatic plastic pipeline winding machine, and relates to the field of plastic pipeline production, the automatic plastic pipeline winding machine comprises a mold driving mechanism, a winding mold pipe and a formed plastic pipe conveying mechanism, the mold driving mechanism comprises a base, a sliding bottom plate and roller carriers, the sliding bottom plate is slidably mounted on the base, and multiple groups of roller carriers are mounted on the sliding bottom plate at intervals; the winding mold pipe is arranged on the roller frame, a cooling pipe is fixedly installed in the winding mold pipe, a plurality of independent cooling cavities are formed between the inner wall and the outer wall of the winding mold pipe in the axial direction of the winding mold pipe, each cooling cavity is provided with an air inlet hose, and the two ends of each air inlet hose are connected with the corresponding cooling pipe and the inner wall of the winding mold pipe correspondingly; the heating mechanism comprises a flame gun installed towards the winding die pipe, the formed plastic pipe conveying mechanism is used for conveying a material belt to the winding die pipe and conveying a plastic pipe to the wound material belt, on one hand, the shrinkage pulling force generated by later cooling is reduced, and on the other hand, the winding coverage area of the front and rear material belts is reduced.

The utility model relates to the technical field of biodegradable materials, and discloses an extruder cooling device for production of biodegradable material products, which comprises an extrusion pipe, a circulating cooling part, a liquid inlet pipe, a liquid outlet pipe, a water tank, a circulating pump, a filling port and a cooling-water machine, the liquid inlet pipe flange is connected to one end of the circulating cooling piece, the liquid outlet pipe flange is connected to the other end of the circulating cooling piece, the water tank is arranged at the other end of the liquid outlet pipe, the circulating pump is fixedly connected to the top of the water tank, and the other end of the liquid inlet pipe is connected with a top flange of the circulating pump. According to the extruder cooling device for producing the biodegradable material products, the cooling pipes are uniformly distributed outside the extrusion pipe, so that cooling liquid is input into the cooling pipes through the water distribution pipes to ensure uniform cooling of the extrusion pipe, the cooling effects of all positions of the extrusion pipe are consistent, and the condition of non-uniform cooling is avoided.

The invention relates to the technical field of die-casting dies, and discloses a partitioned differential temperature cooling die-casting die for a complex aluminum alloy shell, which comprises a die body, and a thick-wall region, a thick-wall transition region and a thin-wall region are arranged in the die body; the mold body is provided with independent cooling units corresponding to the thin-wall area, the thick-wall transition area and the thick-wall area respectively, and each cooling unit is communicated with a cooling liquid transmission pipe through a self-adaptive sealing anti-leakage structure; thin-wall area cooling pipes arranged in a Z shape are installed on the outer side of the thin-wall area in an attached mode, spiral thick-wall transition area cooling pipes are installed on the outer side of the thick-wall transition area in an attached mode, and thick-wall area cooling pipes with built-in spoilers are installed in the thick-wall area in an embedded mode. According to the partitioned differential temperature cooling die-casting die for the complex aluminum alloy shell, through the partitioned independent temperature control cooling unit, the self-adaptive sealing anti-leakage structure and surface strengthening treatment, accurate cooling of regions with different wall thicknesses is achieved, the product forming quality is improved, the die universality is enhanced, the service life of the die is prolonged, and the maintenance cost is reduced.

The invention provides a fuel cell cooling system based on a vortex tube cooling effect, which comprises an air compressor, an intercooler, a humidifier, an electric pile, a check valve, a silencer, a three-way valve and a heat dissipation assembly which are connected in sequence, and is characterized by further comprising a vortex refrigeration tube and a plate heat exchanger, and the vortex refrigeration pipe is arranged between the silencer and the stop valve. According to the fuel cell cooling system based on the vortex tube cooling effect, by arranging the vortex cooling tube, high-pressure gas discharged from the tail of the system is utilized, and cold air generated by the vortex cooling tube is merged into the cooling system of the system, so that the energy consumption of heat dissipation is reduced, and the overall efficiency of the system is improved; and the volume of a heat dissipation assembly part which is one of the maximum components of the system is reduced, so that the overall volume of the system is reduced, and the volume power density of the system is improved. The auxiliary power consumption of the system is indirectly reduced, the integration level of the system is higher, and the cost is reduced.