838results about How to "Improve heat exchange efficiency" patented technology

The invention relates to the technical field of refrigerating systems, in particular to a micro-channel air conditioner phase change heat transfer evaporation heat exchanger. Comprising a flowing pipeline, the flowing pipeline is composed of a plurality of vertical pipelines and a plurality of bent pipelines connected with the vertical pipelines, and a continuous flowing path of a condensing agent is formed. And a mixing assembly specially used for stirring the condensing agent is arranged in the vertical pipeline. Fin assemblies are installed on the outer sides of the vertical pipelines, and the outer sides of the fin assemblies are wrapped by a complete shell. When the condensing agent flows in the flowing pipeline, the condensing agent can pass through the mixing assembly in each vertical pipeline to be fully mixed and uniformly distributed. The design ensures that the condensing agent in each vertical pipeline can reach an ideal uniform state. And then, the condensing agent flows through the fin assembly, and heat exchange is effectively carried out by utilizing the heat exchange area increased by the fins. By means of the layout, flowing of the condensing agent is optimized, and the heat exchange efficiency is remarkably improved.

The embodiment of the invention provides electronic equipment, and relates to the technical field of terminal products. The electronic equipment comprises a shell assembly, a mainboard, a heating unit, a fan and a heat dissipation module. An installation cavity is formed in the shell assembly, and the main board, the heating unit and the heat dissipation module are all arranged in the installation cavity. The mainboard is installed on the shell assembly, one side of the heating unit is installed on the mainboard, and the other side of the heating unit is connected with the heat dissipation module. The heat dissipation module and the shell assembly are arranged at an interval, and a thermal resistance structure is arranged between the heat dissipation module and the shell assembly. The shell assembly is provided with an air inlet and an air outlet, the air inlet and the air outlet both communicate with the mounting cavity, and the fan is used for driving at least part of air of the heat dissipation module to flow out of the mounting cavity through the air outlet. In this way, the fan drives the air at the heat dissipation module to flow out of the shell assembly for heat dissipation, and a thermal resistance structure is arranged between the heat dissipation module and the shell assembly, so that the shell assembly is not prone to overheating.

The invention relates to the technical field of rotary drum type drying machines for compound fertilizers, in particular to a rotary drum type drying machine for compound fertilizer processing, which comprises a bearing mechanism arranged on a bottom plate, and a drying mechanism and a backflow mechanism are arranged on the bearing mechanism; according to the rotary drum type dryer, hot air in the drying mechanism can be dried and filtered in time through the backflow mechanism, and a drying filter element can be rapidly and reasonably replaced in the working process of the rotary drum type dryer; through cooperation of the drying mechanism and the backflow mechanism, the compound fertilizer can be subjected to multi-stage roller drying, and hot air and the compound fertilizer flow in opposite directions in the drying process of each stage of roller, so that the overall heat exchange efficiency of the hot air and the compound fertilizer is greatly improved; and the overall heat loss is greatly reduced, the overall utilization efficiency of hot air is improved, the overall processing cost of the compound fertilizer is reduced, and meanwhile the overall drying efficiency of the compound fertilizer is greatly improved.

The invention discloses a micro-channel jet reactor. The micro-channel jet reactor comprises a sample introduction unit, a main mixing unit and a reaction unit which are sequentially communicated, the main mixing unit comprises a first inner pipe and a first outer pipe arranged outside the first inner pipe in a sleeving manner; a first annular space is formed between the first inner pipe and the first outer pipe; the sample introduction unit is communicated with the first inner pipe; a second sample inlet is formed in the first annular space, and a plurality of through holes are formed in the first inner pipe; the reaction unit comprises a second inner pipe and a second outer pipe arranged outside the second inner pipe in a sleeving manner; a second annular space is formed between the second inner pipe and the second outer pipe; the first inner pipe is communicated with the second inner pipe; during use, condensate is arranged in the second annular space. The reactor can effectively improve the mixing uniformity degree of reaction liquid, meanwhile, the reaction temperature is controlled, and the reaction rate and selectivity are ensured.

The plate-type temperature adjusting equipment comprises a box body, a plate-type temperature adjuster and a scale wiping unit, the plate-type temperature regulator and the scale wiping unit are arranged in the box body, liquid is contained in the box body, and the plate-type temperature regulator is used for being immersed into the liquid to regulate the temperature of the liquid; the plate-type thermolator is provided with a plurality of plate-shaped fluid channels which are arranged side by side at intervals from front to back, a fluid inlet hole and a fluid outlet hole are formed in the front side and the rear side of each plate-shaped fluid channel respectively, and the fluid inlet holes and the fluid outlet holes are formed in the positions, close to the left side and the right side, of the plate-shaped fluid channels respectively. And a scale wiping unit is arranged in a gap between every two adjacent plate-shaped fluid channels, and the scale wiping units continuously do reciprocating motion in the gaps through a driving unit to disturb the side walls of the plate-shaped fluid channels, so that scaling is prevented. According to the plate type temperature adjusting equipment, the temperature of fluid is adjusted, and meanwhile impurities possibly causing crystallization and scaling are removed.

The invention discloses a heating assembly, a machine head assembly and air blowing equipment, and relates to the technical field of air blowing equipment.The heating assembly comprises a heating piece and a heat conduction fin structure, and the heat conduction fin structure extends in the circumferential direction of the heating piece and is in heat conduction connection with the heating piece. The heat conduction fin structure and the heating piece can be arranged in the air outlet channel of the machine head assembly and are arranged on the air outlet path of the air outlet channel. According to the heating assembly, the heating piece is in heat conduction connection with the heat conduction fin structure, the heat conduction fins are used for improving the conduction speed of heat on the heating piece, the heat exchange area of the inlet air and the heating assembly is increased, and the beneficial effect of improving the heat exchange efficiency of the heating piece and the inlet air is achieved.

The utility model relates to the technical field of grate coolers, and discloses a grate cooler waste heat recovery system which comprises a machine body, a feeding bin and a star-shaped discharger are arranged on the machine body, an obliquely-arranged grate plate is arranged in the machine body, the left end of the grate plate is higher than the right end of the grate plate, the left end of the grate plate is connected with the machine body in a rotating mode, and a discharging port is formed in the right side wall of the machine body. The top of the machine body is connected with an air outlet pipe; the air outlet pipe is connected with the waste heat recycling box and the cleaning box, and an air blower is connected to the outer side wall of the machine body. A coil pipe is arranged in the waste heat recycling box, the top of the coil pipe is connected with an air outlet pipe, the bottom of the coil pipe extends into the cleaning box, an air outlet branch pipe is arranged at the bottom of the inner side of the cleaning box and connected with an air outlet spray head, and the side wall of the waste heat recycling box is connected with a first water inlet pipe and a first water outlet pipe. The heat recovery efficiency is higher, heat in hot air is in full contact with water, the heat exchange efficiency is effectively improved, and the manufacturing cost is saved.

The invention discloses a solution concentration device for a water purifying agent, which comprises a top concentration tank and a bottom concentration tank, and the top concentration tank is erected above the bottom concentration tank. The device has the beneficial effects that the top concentration tank is adopted, when the top concentration tank is used for concentrating a water purifying agent solution, a worker can pump the water purifying agent solution into a first flow dividing disc in a pressurizing manner through a pressurizing conveying pump, and the water purifying agent solution enters an inner pipe after being divided by the first flow dividing disc; a pressure maintaining valve mounted on the surface of the inner pipe keeps the internal pressure of the inner pipe, pure water in a water purifying agent solution enters the bottom of the top concentration tank after penetrating through a polyamide film layer, a polysulfone supporting layer and a polyester substrate layer and is discharged along a water discharging pipe, and after a part of pure water is filtered out by pressurizing a water purifying agent solvent in the inner pipe, primary concentration is completed; the energy consumption is far lower than that of traditional high-temperature concentration and low-temperature concentration when the pressurizing delivery pump works, and the pressurizing delivery pump is more energy-saving and environment-friendly, higher in speed and higher in working efficiency and working continuity.

The invention relates to the technical field of medical instruments, and discloses an isolation melting device and a pulp melting machine. The isolation melting device comprises a fixed frame which defines a mounting space; the movable support comprises a first support and a second support, one end of the first support is rotatably connected with one end of the second support, and the other end of the first support and the other end of the second support can move towards each other or away from each other; the bag body is provided with a bag opening and is connected with the first bracket and the second bracket; wherein the movable support can move into or out of the installation space, when the movable support moves into the installation space, the installation space limits the first support and the second support, the first support and the second support move oppositely, the bag body shrinks, and the area of the bag opening is reduced; when the movable support moves out of the installation space, the installation space relieves limiting of the first support and the second support, the first support and the second support move away from each other, the bag body expands, and the area of the bag opening is increased. Placement convenience of the plasma bag is improved, and heat exchange efficiency is improved.

The invention belongs to the technical field of cooling equipment, and particularly relates to a metal material extrusion cooling device which comprises two side plates symmetrically arranged and further comprises an air cooling assembly and a liquid cooling assembly, the air cooling assembly comprises a conveying belt and a plurality of fans, the conveying belt is located between the two side plates, and the fans are located between the two side plates. The air cooling assembly is used for carrying out air cooling on a workpiece through a conveying belt and a fan, the liquid cooling assembly comprises a lifting plate and a lifting motor, the lifting plate is located on one side of the conveying belt, and the liquid cooling assembly is used for carrying out liquid cooling on the workpiece through the lifting plate and the lifting motor. Through the arranged liquid cooling assembly, after a workpiece is moved to the position above a lifting plate after being subjected to air cooling, the lifting plate drives the workpiece to be immersed in cooling liquid in a cooling pond under the action of a lifting motor, liquid cooling is conducted on the workpiece through soaking of the cooling liquid, and the cooling effect of the device is effectively improved; and the production quality and the production efficiency of metal workpieces are ensured.

The invention discloses a novel high-flash stripping tower, which relates to the technical field of sewage treatment and comprises a tower body, a plurality of groups of steam output ends are distributed in the tower body in a circumferential array manner, and each steam output end is connected with the steam input module so as to output steam into the tower body; a spraying module is arranged at the top in the tower body and is used for spraying sewage to be treated into the tower body, and a steam stripping steam pipe is also arranged on one side of the top of the tower body and is used for discharging organic matters subjected to steam stripping; each steam output end is rotationally arranged in the tower body; each steam output end is connected with a rotating module which drives the steam output end to rotate in a reciprocating mode. The phenomenon that heat exchange cannot be generated when sewage drips in the direction away from the steam output ends is effectively avoided, and the steam output ends are arranged in the circumferential direction, so that the heat exchange requirement can be met by arranging a small number of steam output ends.

The invention discloses a marine seawater desalination device, and relates to the technical field of seawater treatment devices.The marine seawater desalination device comprises a pretreatment tank, a seawater temporary storage bin, a distillation bin, a condenser and a fresh water collection bin, the pretreatment tank communicates with a water inlet pipe and a first water conveying pipe, and a water suction pump is arranged on the water inlet pipe and used for sucking seawater into the pretreatment bin; a water filtering device for filtering seawater is arranged in the pretreatment tank, the first water conveying pipe is communicated with a seawater temporary storage bin, the seawater temporary storage bin is communicated with the distillation bin through a second water conveying pipe, a water supply pump is arranged on the second water conveying pipe, and a heating module for heating seawater is arranged in the distillation bin; the top of the distillation bin is communicated with a steam pipeline, the steam pipeline is communicated with a condenser and is used for condensing steam, the condenser is communicated with a fresh water pipeline, and the fresh water pipeline is communicated with a fresh water collecting bin. The sea water desalination device realizes efficient sea water desalination, reduces the occupied area of equipment, and is more suitable for ships.

The invention relates to the technical field of electronic information, and discloses a scale-like fin type micro-channel cold plate with a secondary channel. A first flowing channel is formed in the cold plate body; the fin plates are sequentially laid in the first flowing channel in the first direction, a plurality of fish scale-shaped protrusions are sequentially arranged on the two side faces of each fin plate in the flowing direction of the cooling liquid in a staggered mode, and the section of each fish scale-shaped protrusion is of a semi-oval structure; fish scale-shaped grooves are formed in the other side surfaces, corresponding to the fish scale-shaped bulges, of the fin plates; and each second flow channel is formed between every two adjacent fin plates. According to the fish scale-like fin type micro-channel cold plate containing the secondary channels, the flowing pressure of cooling liquid in the micro-channels is reduced, a boundary layer is broken, the heat dissipation temperature of the cold plate is uniform, and meanwhile the heat dissipation efficiency is improved.

The invention discloses a calcium carbonate phase change cementing material hardened body as well as a preparation method and application thereof. The preparation method of the calcium carbonate phase change cementing material hardened body comprises the following steps: firstly, uniformly mixing vaterite and a crystal form regulating agent, then adding water, stirring to obtain slurry, after the slurry is formed, carrying out radio frequency heating maintenance with the radio frequency heating frequency of 300KHz-300GHz and the power of 500-900W, and after the radio frequency heating maintenance, carrying out vacuum drying to obtain the calcium carbonate phase change cementing material hardened body. The calcium carbonate phase change cementing material hardened body is prepared. Compared with steam curing, the mode of curing the calcium carbonate phase-change cementing material through radio frequency heating can better promote accumulation of the calcium carbonate phase-change cementing material precursor and conversion of part of the calcium carbonate phase-change cementing material precursor to target mineral aragonite, enables an interface to be fused and bonded, remarkably improves the compressive strength, and is worthy of popularization and application.

The invention provides a data center heat recovery device, and relates to the technical field of heat recovery devices.The data center heat recovery device comprises a water tank, four heating boxes are arranged at the top of the water tank, feeding boxes are installed at the tops of the heating boxes, air inlet pipes are installed at the tops of the feeding boxes, and heat exchange pipes are fixedly inserted into the axes of the heating boxes; a sending-out layer is arranged between the bottom of the heating box and the water tank, the sending-out layer comprises a sending-out box, the top and the bottom of the heat exchange pipe are fixedly connected with the sending-in box and the sending-out box respectively, and connecting ports are formed in the positions, corresponding to the penetrating positions of the heat exchange pipe, in the sending-in box and the sending-out box. The four sets of heating boxes and heat exchange pipes are alternately used, the heat exchange time of hot air and cold water is prolonged, hot air can be alternately fed into the different heating boxes, air in the heat exchange pipes in a single cycle can be fed into the water tank, a standby water source is preheated, and therefore the heat exchange efficiency is improved, and heat is more sufficiently recycled.

The invention relates to the field of hydraulic oil cooling, in particular to a hydraulic oil cooler which comprises a tank body, a hydraulic oil inlet, a hydraulic oil outlet, a cooling liquid inlet and a cooling liquid outlet are formed in the tank body, two partition plates are fixedly arranged in the tank body, and a hydraulic oil storage area communicated with the hydraulic oil inlet and the hydraulic oil outlet is arranged between the two partition plates. Cooling liquid flowing areas communicated with the cooling liquid inlet and the cooling liquid outlet are arranged between the two partition plates and the tank body respectively, two cooling assemblies are arranged in the hydraulic oil storage area, a rotating shaft is arranged between the two cooling assemblies, and paddles are arranged on the rotating shaft. Kinetic energy of hydraulic oil is effectively absorbed through rotation of the paddles, the shaking amplitude of the hydraulic oil is reduced, along with rotation of the rotating shaft, the driving assembly drives the cooling pipes to reciprocate, the contact positions between the cooling pipes and the hydraulic oil are changed, the cooling effect is improved, and the cooling effect is improved. And the heat exchange efficiency is improved.

The invention relates to the technical field of leather processing, in particular to a leather forming processing device for automotive trim. The device comprises a pretreatment device and a mold device, the rear side of the mold device is connected and provided with a trimming device, the front side of the mold device is connected and provided with a heating device, and the mold device is internally provided and connected with a cooling device. The pretreatment device is used for improving the quality and the processing efficiency of leather, improving the consistency of products and effectively shortening the production cycle, the mold device is used for forming the leather, ensuring the size accuracy and effectively improving the consistency of the products, and the heating device is used for softening the leather, facilitating subsequent processing, improving the process effect and effectively improving the quality of the products. The cooling device is used for rapidly cooling leather, stabilizing the size and effectively improving the product precision, the trimming device is used for finely adjusting the leather and improving the finished product quality, and the safety monitoring device is used for guaranteeing the safety of the machining process and effectively improving the operation safety.

The cooling device comprises a water pump, and the outer wall of the rear side of the water pump is connected with a water inlet pipe and a water outlet pipe; and the cold discharging assembly is arranged on the right side of the water pump and connected with the end, away from the water pump, of the water discharging pipe, and the position, located above the water discharging pipe, of the cold discharging assembly is fixedly connected with a connecting pipe. The invention relates to the technical field of projector liquid crystal screens. According to the cooling device for liquid immersion heat dissipation of the liquid crystal display of the projector, through the arrangement of the water pump, the cooling assembly and the cooling unit, liquid with the higher heat conductivity coefficient can be used for conducting heat dissipation on the liquid crystal display, and the defect that the temperature of the heating face of the liquid crystal display is greatly different due to the fact that traditional air cooling heat dissipation air volume is not uniform is overcome; and meanwhile, the liquid cooling heat dissipation heat conduction and heat exchange efficiency is higher, and the stable display of the liquid crystal screen is greatly improved.

The invention provides a gasified grey water rotational flow spraying cooling tower, and relates to the technical field of cooling towers, the gasified grey water rotational flow spraying cooling tower comprises a tower body, a rotational flow spraying mechanism and a water tank are arranged in the tower body, the rotational flow spraying mechanism comprises a servo motor mounted on the upper surface of the water tank, a rotating shaft is mounted at the output end of the servo motor, and a second gear is meshed with the outer surface of a first gear. The four ends of the four-way pipe body are fixedly communicated with atomizing nozzles respectively, and four rotational flow grooves corresponding to the atomizing nozzles respectively are formed in the rotational flow disc. By arranging the rotational flow spraying mechanism, a servo motor is used for driving a rotating shaft and a first gear to rotate so as to drive a second gear, a four-way pipe body, an atomizing nozzle, a connecting round rod and a rotational flow disc to integrally rotate, and a rotational flow groove is matched to perform rotational flow guiding on water sprayed by the atomizing nozzle, so that the water forms rotational flow in the tower body; the contact area of water and air is effectively increased, water flow distribution is more uniform, and therefore the heat exchange efficiency and the cooling effect are improved.

The invention relates to an efficient vacuum pump unit which comprises a unit table, a motor and a pump table are installed on the top of the unit table, a pump body in butt joint with the motor is installed on the top of the pump table, first vertical plates are installed on the portions, on the two sides of the pump body, of the pump table, a second vertical plate is installed on the top of the unit table, and a cylindrical box is arranged on one side of the unit table. The cylinder box and the air outlet of the pump body are connected with an air cooling part, and the cylinder box and the motor are connected with a water cooling part. Through the design of the air cooling part, the air cooling part carries out convection heat dissipation through air flow pumped by the vacuum pump, energy consumption and loss caused by using an extra motor fan are avoided, operation of the air cooling part is tightly connected with the working state of the pump body, and the air flow pressure generated when the pump body works automatically drives a mechanical structure of the air cooling part; and intelligent control of heat dissipation is realized.

The invention relates to the technical field of charging equipment, in particular to a liquid cooling heat dissipation device and heat dissipation system for a high-power charging pile, the liquid cooling heat dissipation device comprises a charging module and a cooling module, a plurality of liquid cooling plates are arranged in the charging module, the liquid cooling plates are tightly attached to heating elements, and the input ends of the liquid cooling plates are connected with a first circulating pump; the cooling module comprises a cooling tank, a first fan, a filtering mechanism, a liquid storage tank and a second circulating pump, and the first fan is mounted above the cooling tank and used for cooling the cooling liquid; the output end of the liquid cooling plate is connected with the input end of the second circulating pump, the output end of the second circulating pump is connected with the input end of the cooling tank, the output end of the cooling tank is connected with the input end of the filtering mechanism, the output end of the filtering mechanism is connected with the input end of the liquid storage tank, and the output end of the liquid storage tank is connected with the first circulating pump. And the cooling module is used for enabling the cooled cooling liquid to flow back to a liquid cooling plate in the charging module.

The utility model relates to the technical field of heat exchange equipment, and discloses an anti-frosting condensation type heat exchanger. The anti-frosting condensation type heat exchanger comprises a base, an air inlet pipe, an air outlet pipe, a protective shell, a water outlet pipe, a water inlet pipe and a partition plate, the protective shell is arranged on the base, the top of the protective shell is connected and communicated with the air inlet pipe, and the bottom of the protective shell is connected and communicated with the air outlet pipe. The top of the protection shell is connected and communicated with a water outlet pipe, the bottom of the protection shell is connected and communicated with a water inlet pipe, a partition plate is fixedly connected to the interior of the protection shell, the first fixing frame is fixedly connected to the base, and the protection shell is arranged on the first fixing frame. By starting the heating module, the heating module generates heat, and the heat is transmitted to the protective shell through the heat conduction pipe, so that the situation that the heat is absorbed by frosting on the surface of the protective shell at low temperature, and the heat exchange efficiency is reduced is avoided.

The utility model belongs to the field of lampshade molds, and particularly relates to a novel lower mold plate of an LED lampshade mold, which solves the problem of how to efficiently cool a formed LED lampshade in the prior art, and comprises a bottom plate and a lower mold body, a cooling mechanism is arranged in the lower mold body, and a heating component is mounted on the inner wall of the lower mold body. According to the utility model, the cooling mechanism and the stirring mechanism are matched with each other, so that the LED lampshade heated and molded by the heating assembly in the lower mold body can be quickly cooled, the time is saved, the cooling quality is improved, the molded LED lampshade can be demolded in the lower mold body with higher quality, and the production efficiency is improved. And the spiral pipe is arranged in the cavity in a surrounding mode, the contact area can be increased, the heat exchange efficiency can be improved, cooling is accelerated, meanwhile, cooling water in the spiral pipe can be recycled, the cooling water in the water tank can be stirred through the arranged stirring mechanism, and heat dissipation of the cooling water is accelerated.

The utility model discloses super-strong steel chemical degreasing powder drying equipment, and relates to the technical field of drying equipment. The device comprises a drying assembly, and an inner cavity of the drying assembly is fixedly connected with a mixing assembly. The heating blocks embedded in the inner wall of the drying box are distributed in an annular array mode, oil removing powder in the drying box can be heated in a full-surrounding mode, compared with traditional bottom or single-side heating, the uniformity of a temperature field in the box is remarkably improved, and the problem of component decomposition or low-temperature caking caused by local overheating is solved; when the planetary gear stirring piece drives the auxiliary stirring rod to revolve around the first transmission shaft, rotation is achieved through meshing of the driven gear and the driving gear ring, and a three-dimensional stirring track of revolution and rotation is formed; the up-down reciprocating piece pushes the main stirring rod to do periodic up-down motion through the cam, so that materials are subjected to transverse shearing mixing and longitudinal stirring in the drying process, the material accumulation dead angle is effectively broken, and the heat exchange efficiency is improved.

The invention discloses an aviation kerosene production method based on vinasse waste, and belongs to the technical field of kerosene preparation, and the aviation kerosene production method comprises the following steps: pretreatment: screening and cleaning vinasse, removing impurities and water, then crushing the cleaned vinasse into particles, and drying and baking by using drying equipment; pyrolyzing: feeding the pretreated vinasse into a pyrolyzing furnace for pyrolyzing; gas purification: purifying the separated gas to remove sulfides and nitrides in the gas; fischer-Tropsch synthesis reaction: introducing the purified gas into a Fischer-Tropsch synthesis reactor to form hydrocarbon molecules; separating products: separating hydrocarbons in different boiling point ranges; product refining: further processing the separated hydrocarbon products; waste treatment: solid carbon black generated in the pyrolysis process is recycled. The device provided by the invention can reduce the dependence of existing aviation kerosene production on traditional fossil fuel, saves energy, reduces carbon emission, and is beneficial to sustainable development.

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 external circulation water pump of the small-displacement diesel engine comprises a water pump shell and a transmission shell installed on one side of the water pump shell, a water inlet and a water outlet are formed in the water pump shell, and the side, away from the transmission shell, of the water pump shell is detachably connected with an end cover used for sealing the water pump shell. A flexible impeller is installed in the water pump shell, a transmission shaft is installed in the transmission shell, and a water seal is arranged between the water pump shell and the transmission shell. The sealing performance between the transmission shell and the water pump shell can be improved through the water seal, in addition, even if the water seal loses efficacy, the transmission shell exists between the water pump shell and the diesel engine, seawater entering the transmission shell can be rapidly discharged through the through hole, and therefore the seawater cannot enter an engine gearbox, the influence on a diesel engine lubricating system is avoided, and the service life of the diesel engine is prolonged. Normal operation of the diesel engine is ensured.

The utility model relates to the technical field of gas-gas plate heat exchangers, and discloses a waste gas heat recovery gas-gas plate heat exchanger which comprises an upper shell and a lower shell, a plurality of fixing plates are uniformly mounted on the outer surface of the upper shell, limiting holes are formed in the two ends of the bottom of each fixing plate, and a plurality of mounting seats are uniformly mounted on the outer side of the upper end of the lower shell; the number of the mounting seats is equal to that of the fixing plates, the mounting seats and the fixing plates correspond to each other, cavities are formed in the inner sides of the mounting seats, sliding seats are fixedly mounted at the bottoms of the inner sides of the cavities, two sliding blocks are slidably connected to the upper ends of the sliding seats, fixing blocks are fixedly mounted at the upper ends of the sliding blocks, and inserting rods are fixedly mounted on the inner sides of the two fixing blocks; according to the heat exchanger, the protective shell which can be detached and separated vertically is arranged on the outer side of the heat exchanger body and can enter the heat exchanger body for inspection and maintenance, the maintenance efficiency is improved, meanwhile, the upper shell and the lower shell are allowed to be rapidly detached and reassembled, and the installation time is shortened.

The utility model relates to the technical field of transformers, in particular to an oil-immersed power transformer cooling fin structure which comprises a box body, oil collecting boxes and a plurality of cooling fin bodies, the cooling fin bodies are symmetrically distributed on the two sides of the oil collecting boxes, at least every two cooling fin bodies form a cooling fin set, and the oil collecting boxes are located at the two ends of the cooling fin set respectively. Supporting assemblies and reinforcing assemblies are arranged on the two sides, facing the cooling fins, of the box body, the supporting assemblies abut against oil collecting boxes at the bottoms of the cooling fin sets, the two reinforcing assemblies are arranged at equal intervals in the length direction of the cooling fin bodies, one end of each reinforcing assembly is fixedly connected with the outer side wall of the box body, and the other end of each reinforcing assembly penetrates through gaps between the cooling fin bodies. The radiating fins are attached to the outer side surfaces, deviating from the box body, of the radiating fins; convection of transformer oil can be promoted more effectively, and heat exchange efficiency is improved; meanwhile, oil flow can be evenly distributed, and local overheating is avoided; the structural strength of the cooling fin set is remarkably improved, and good safety and adaptability are achieved.

The utility model discloses a vapor chamber, and relates to the technical field of heat guide plates. The uniform temperature plate is connected with the heating device, the uniform temperature plate comprises a uniform temperature plate main body in which a phase change cavity is formed, and the inner wall of the uniform temperature plate main body is provided with stripe grooves extending in a first direction; a heat source area corresponding to the position of the heating device is arranged in the phase change containing cavity, the heat source area is provided with a layered first capillary structure and a strip-shaped second capillary structure extending in the first direction, the first capillary structure is laid on the stripe grooves, and the second capillary structure is connected with the first capillary structure. According to the vapor chamber, the capillary thermal resistance is reduced in the first direction by utilizing the guiding effect on the working medium and the enhanced capillary composite effect; under the application scene that a heat source is arranged in the mode of deviating from the central area of the vapor chamber and the vapor chamber inclines along the gravity direction, the vapor chamber inclines along the first direction, and due to the fact that a working medium is guided by the gravity and a groove composite capillary, the heat dissipation thermal resistance of the vapor chamber is low.