292results about How to "Increase the heat exchange area" patented technology

The invention relates to the technical field of copper pipe heat dissipation, in particular to a micro-channel heat dissipation device based on a copper pipe structure, which comprises a heat dissipation substrate, a copper pipe type heat dissipation channel and a liquid cooling circulation system, the copper pipe type heat dissipation channel is composed of a plurality of plastic copper pipes and replaces a traditional micro-channel or vapor chamber structure. The copper pipe is embedded or fixed in the heat dissipation substrate or on the surface of the heat dissipation substrate, cooling liquid circulates in the copper pipe, and efficient heat dissipation is achieved through the combined action of forced convection heat exchange and heat transfer; the copper pipe has good plasticity and can be subjected to three-dimensional bending forming according to heat source distribution and spatial layout, through the synergistic effect of forced convection and phase change heat transfer, the heat transfer efficiency is improved, particularly, extremely high local heat flow density can be coped, the chip is effectively prevented from being overheated, and the heat transfer efficiency is improved. The heat dissipation channel can be bent and formed in a three-dimensional space according to heat source distribution, accurate matching with the heat source form is achieved, limitation of traditional plane heat dissipation is broken through, and optimal configuration of heat dissipation capacity and heat flux density is achieved.

The invention discloses a micro-channel reactor and micro-channel reaction equipment, the micro-channel reactor comprises a reaction plate, a support transition plate and a heat exchange plate which are connected in a laminated manner, grooves are processed in the reaction plate to form micro-reaction channels, grooves are processed in the heat exchange plate to form heat exchange channels, and the support transition plate is separated between the reaction plate and the heat exchange plate; the micro-reaction channel comprises at least two micro-channel units and a middle flow channel connected with the adjacent micro-channel units, each micro-channel unit comprises a flow channel inlet, a flow channel outlet and a heart-shaped mixing cavity, an arc-shaped flow baffle and at least one turbulent flow column are arranged in the heart-shaped mixing cavity, the concave side of the arc-shaped flow baffle faces the flow channel inlet, and the convex side of the arc-shaped flow baffle faces the turbulent flow column. And the turbulent flow column is arranged between the arc-shaped flow baffle and the flow channel outlet. Through cooperation of the heart-shaped mixing cavity, the arc-shaped flow baffles and the turbulent flow columns, the particle suspension rate and the mass transfer capacity of the micro-reaction channel are effectively improved, then the reaction efficiency is improved, and the device can be used for achieving continuous preparation of nano-drugs.

The application relates to an outdoor unit and an air conditioning system. The outdoor unit comprises a support, a heat exchanger assembly and a fan. The heat exchanger assembly is fixedly connected with the support. The heat exchanger assembly comprises a first heat exchanger and a second heat exchanger. The first heat exchanger and the second heat exchanger are oppositely arranged along a first direction. The fan is fixedly connected with the support and located at the top of the heat exchanger assembly. The first heat exchanger comprises a main body part and a first extension part. The first extension part is located at one end of the main body part along a second direction. The first extension part is connected with the main body part. The plane where the first extension part is located intersects the plane where the main body part is located. The outdoor unit in the application has more than two air return surfaces. Thus, the heat exchanger assembly can have a larger heat exchange area, thereby improving the heat exchange efficiency of the outdoor unit. In the case of improving the heat exchange efficiency of a single outdoor unit, the number of outdoor units in the air conditioning system can be appropriately reduced. Thus, the cost of the air conditioning system can be reduced.

This invention discloses an internally protruding evaporative swirl fuel supply device and method, relating to the technical field of aero-engine and gas turbine combustion chambers. It includes an evaporator tube body, which is a hollow straight cylindrical structure. The front end of the evaporator tube body has an air inlet and a front inlet, the front inlet for fuel supply and the air inlet for combustion air supply. The rear end of the evaporator tube body has an air outlet. The inner wall surface of the evaporator tube body is provided with a protrusion array, comprising multiple rows of protrusions arranged axially along the evaporator tube body, with each protrusion in each row arranged sequentially circumferentially along the evaporator tube body. Each protrusion protrudes from the inner wall surface of the evaporator tube body into the tube wall, used to tear and break the adhering liquid film into droplets when the oil film flows through the protrusion array. This solves the problem that existing traditional straight-tube evaporator tubes rely solely on airflow shear force to passively tear the liquid film, lacking active film-breaking methods, resulting in significant deterioration of atomization effect under high flow conditions.

The application provides a pulsating heat pipe system with expanded heat exchange area, which comprises a pulsating heat pipe, the pulsating heat pipe comprises a lower bending structure and an upper bending structure, the lower bending structure comprises vertical pipes extending in the up-down direction and connecting pipes connecting the upper and lower ends of adjacent vertical pipes, the upper bending structure comprises horizontal pipes extending in the left-right direction and connecting pipes connecting the left and right ends of adjacent horizontal pipes, the upper bending structure and the lower bending structure form a series loop structure through the connecting pipes, the pulsating heat pipe comprises an evaporation end and a condensation end, the evaporation end comprises the lower part of the lower bending structure, and the condensation end comprises the upper part of the lower bending structure and the upper bending structure. The pulsating heat pipe system with expanded heat exchange area is provided, and the setting of the upper bending structure can increase the heat exchange area of the condensation end and improve the heat exchange effect.

The utility model discloses a liquid cooling plate which comprises an upper cover plate and a lower cover plate, and a main flow channel is formed between the upper cover plate and the lower cover plate; the water inlet nozzle is communicated with the water inlet of the main flow channel and is used for allowing a refrigerant to flow in; the water outlet nozzle is communicated with a water outlet, corresponding to the water inlet, of the main runner and is used for allowing a refrigerant to flow out; the heat exchange columns are arranged in the main flow channel, and the densities of the heat exchange columns in different areas in the main flow channel are different. According to the liquid cooling plate, the plurality of heat exchange columns are arranged, so that the structural strength of the liquid cooling plate can be enhanced, the contact area between a refrigerant and the flow channel wall can be increased, and the heat exchange efficiency is improved. Besides, the heat exchange columns with different densities are arranged in different areas, so that the flow distribution of the refrigerant in the flow channel can be optimized, the refrigerant is uniformly distributed, and the uniformity of the heat dissipation performance of the liquid cooling plate is improved.

The utility model belongs to the technical field of heat exchangers, and particularly relates to a lean and rich liquid double-flow-channel heat exchanger which comprises a shell, a shell cavity is formed in the shell, and first liquid flows in the shell cavity. At least one baffle plate group is arranged in the shell cavity, the baffle plate group comprises a plurality of baffle plates, the baffle plates and the inner wall of the shell cavity are obliquely arranged, and through holes are formed in the surfaces of the baffle plates; the guide pipe is arranged in the shell cavity and penetrates through the through hole, so that the spiral cavity is formed in the guide pipe, the second liquid spirally flows in the spiral cavity, the flowing path of the second liquid in the guide pipe is increased, the heat exchange area of the second liquid in the guide pipe is increased, and therefore the heat exchange performance of the pipe side is improved. Meanwhile, the second liquid flowing spirally can generate certain centrifugal force, so that heat exchange between the second liquid and the inner wall of the guide pipe is more sufficient, and the heat exchange efficiency is further improved.

The invention provides a mixed flow heat exchange device for outputting hot water, which is characterized in that the connecting line of the vertexes of the section of a jet pipe is a square, a pipe wall is formed between the adjacent vertexes of the square, the pipe wall is bent, the bending direction of the bend faces the center of the square, and jet holes for jetting from the inside of the jet pipe to the outside of the jet pipe are formed in the pipe wall. The invention provides a heat exchange device adopting a novel square jet pipe, so that the mixing heat exchange effect of two fluids is better and more uniform, and the heat exchange efficiency is improved.

The utility model relates to domestic waste treatment technical field especially, a kind of waste heat energy storage equipment for domestic waste incineration boiler, its technical scheme includes: front water tank, rear water tank and flue body, the front water tank and rear water tank are respectively installed in the front and rear ends of flue body and intercommunication, the flue body is used for the flue gas of incineration boiler to pass through;The front water tank and rear water tank are used for water storage heat exchange;Heating tank is communicated on the rear water tank, and the heating tank is used to increase heating area;The front water tank is detachably installed with protective sleeve, the protective sleeve is movably sleeved on the outside of heating tank, for protecting heating tank from the influence of smoke dust.The utility model has the advantages of guaranteeing waste heat recovery efficiency and reducing maintenance difficulty, solves the problem that existing equipment is affected by smoke dust, resulting in the decline of waste heat recovery efficiency and higher maintenance cost.

This application relates to the field of new energy battery pack technology, and in particular to a liquid-cooled battery module, including a liquid-cooled tray and a battery pack with the liquid-cooled tray. The liquid-cooled tray includes a liquid-cooled plate, which has a liquid-cooled cavity. The liquid-cooled cavity is provided with several liquid-cooled baffles, which divide the liquid-cooled cavity into several interconnected flow equalization and distribution sections. The liquid-cooled plate is provided with a sealing plate assembly, a liquid inlet assembly, and a liquid outlet assembly. The liquid inlet assembly includes a metal liquid inlet pipe and a liquid inlet connector connected to the liquid-cooled cavity. The liquid outlet assembly includes a metal liquid outlet pipe and a liquid outlet connector connected to the liquid-cooled cavity. The liquid inlet assembly and the liquid outlet assembly are located on the same side along the length of the liquid-cooled plate. The liquid-cooled baffles effectively extend the flow path of the coolant, thereby increasing the heat exchange time between the coolant and the battery cell. At the same time, it avoids the use of plastic pipes, effectively simplifies the installation steps, reduces leakage, and improves the stability of the battery module.

The utility model relates to the field of battery packs, in particular to a battery pack and electric equipment. The battery pack comprises a box body, a heat dissipation structure and a battery cell, the battery cell is arranged in the box body; the battery cell is of a prism structure, and chamfers are arranged at the edges; a plurality of battery cells are arranged in an array, the chamfers of a plurality of adjacent battery cells enclose to form a mounting cavity, and / or the chamfers of two adjacent battery cells and the box body enclose to form a mounting cavity, and / or the chamfers of the battery cells and the corners of the box body enclose to form a mounting cavity; the heat dissipation structure comprises a first heat dissipation pipe and a heat dissipation fin assembly. The first heat dissipation pipe penetrates through and is fixedly installed in the installation cavity, and the heat dissipation fin assembly is arranged between the first heat dissipation pipe and the hole wall of the installation cavity and arranged in the extending direction of the first heat dissipation pipe. Therefore, the overall occupied space of the heat dissipation structure and the battery cells can be reduced, the space in the box body can be saved, and the energy density in the battery pack is improved while the heat dissipation capability of the battery pack is ensured.

The utility model relates to high pressure reaction kettle technical field especially is a kind of high pressure reaction kettle quick heating device, including kettle body, half pipe jacket, jacket temperature -keeping cover, kettle cover, stirring mechanism, charging hole and lug;The utility model is through the heating structure design of half pipe jacket+spiral flow guide plate, sets up spiral flow guide plate in half pipe jacket, makes heat carrier form turbulent flow, increases flow velocity and expands heat exchange area, spiral flow guide plate is made of high heat conduction material copper alloy, absorbs the heat of medium heat conduction to kettle body while playing the flow guiding effect, to improve heat transfer coefficient, make kettle body quick heating, and cover jacket temperature -keeping cover in the outside of half pipe jacket, the nanometer micropore heat insulation material of jacket temperature -keeping cover inside is made of nanometer micropore heat insulation material, is filled in the gap between inner shell and half pipe jacket, and vacuum interlayer is equipped between inner shell and outer shell, reduce heat loss in the process of heating under this structure effect, to improve kettle body heating efficiency.

The utility model discloses a staggered winding type heater. The technical problem that an existing heater is complex in structure is solved. The device comprises an inner side support and a first staggered winding pipe set. The first staggered winding pipe set comprises a plurality of first arc-shaped pipes, a plurality of second arc-shaped pipes and a plurality of first connecting pipes. The first arc-shaped pipe and the second arc-shaped pipe are arranged in different planes. The first ends of the first arc-shaped pipes are communicated with the first ends of the second arc-shaped pipes through the first connecting pipes, the second ends of the first arc-shaped pipes are communicated with the second ends of the other second arc-shaped pipes through the first connecting pipes, and the first arc-shaped pipes and the second arc-shaped pipes are sequentially communicated and wound outside the inner side supporting frame. The bending radius of the first arc-shaped pipe is larger than that of the second arc-shaped pipe. According to the staggered winding type heater, the manufacturing requirements of complex parts are reduced, and the production cost and the production difficulty are reduced. And the first arc-shaped pipe and the second arc-shaped pipe are arranged on different surfaces and are wound outside the inner side supporting frame, so that the heater is compact in overall structure, and limited space can be fully utilized.

This utility model relates to an embedded water tank mechanical agitation and scraping powdery material cooler, belonging to the technical field of powdery material cooling devices. The aim is to provide an embedded water tank mechanical agitation and scraping powdery material cooler with a large heat exchange area, high efficiency, and good cooling effect on powdery materials. The technical solution adopted is as follows: multiple cooling water tanks and a mechanical agitation device are installed inside the tank. The structure of the mechanical agitation device is as follows: a horizontally positioned main shaft is rotatably installed in the upper part of the tank, and a lower shaft is parallel to and below the main shaft. The main shaft is connected to the lower shaft through at least two sets of chain drive components. Multiple long, strip-shaped scraper frames are fixed at intervals around the circumference of the chain drive components, and multiple scrapers are fixed on each scraper frame. Multiple cooling water tanks are arranged in two rows on both sides of the main shaft and the lower shaft. The multiple scrapers on the scraper frames correspond to and are inserted into the gaps of the cooling water tanks. This utility model is used for rapid cooling of high-temperature powdery materials.

The invention relates to the technical field of harmonic treatment of charging equipment, and discloses a charging pile filtering treatment device which comprises a filtering treatment device body, the bottom of the filtering treatment device body extends downwards to form a mounting cavity, a water cooling machine is arranged in the mounting cavity, and a cooling pipe of the water cooling machine extends into the filtering treatment device body. After being coiled in the water cooling pipe, the water cooling pipe penetrates out and flows back to the water cooling machine; the filtering treatment device comprises a filtering treatment device body, the outer wall of the filtering treatment device body is provided with a plurality of heat dissipation pipes communicated with the interior of the filtering treatment device body, and an outlet of each heat dissipation pipe is formed in the top of one end located in the filtering treatment device body and is perpendicular to an inlet formed in the corresponding heat dissipation pipe; the device can adapt to an outdoor installation environment, the probability that rainwater permeates into the device is avoided, efficient heat dissipation can be achieved, and the application reliability and effectiveness of the device in a new energy automobile charging pile scene are guaranteed.

The utility model discloses a kind of exhaust duct water vapor condensation collection devices, it is related to tobacco processing equipment technical field, exhaust duct inside close to the export of fan is parallel to the condensing plate of dense arrangement in flow direction, heat pipe is embedded into each condensing plate, with each condensing plate heat conduction connection fixed, and communicate to in circulating water cooling loop;The bottom of condensing plate is inclined plate structure by two sides respectively downward, and form the flow guide portion at the intersection of two side inclined plate structure, and the flow guide portion is directly below the liquid guide plate fixedly arranged with exhaust duct installation.The utility model condenses water vapor in high-humidity flue gas by condensing plate, and condensate is directly discharged exhaust duct by the flow of condensing plate and liquid guide plate in the position close to fan export;Circulating water cooling loop carries out circulating heat dissipation cooling to condensing plate, effectively solve the problem of exhaust duct inner wall scale caused by high-humidity flue gas, conducive to the control of equipment maintenance cost and the guarantee of production continuity.

The utility model relates to the technical field of heat exchangers, in particular to a multi-layer staggered fin type heat exchanger which comprises a heat exchanger body, a first fluid box is arranged on the heat exchanger body, rotary fluid boxes are symmetrically connected to the two ends of the first fluid box, second fluid boxes are evenly arranged in the first fluid box at intervals, and the second fluid boxes are symmetrically connected to the rotary fluid boxes. The two ends of the second fluid box are each fixedly provided with a sealing insertion opening, the sealing insertion openings are tightly connected with the first fluid box and the rotary fluid box in an inserted mode, upper heat exchange fins and lower heat exchange fins are fixed to the upper end and the lower end of the second fluid box respectively, and the upper heat exchange fins and the lower heat exchange fins at the adjacent positions are arranged in a staggered mode. According to the multi-layer staggered fin type heat exchanger, the heat exchange fins are designed to be of a wave-shaped structure, the adjacent heat exchange fins on the upper layer and the lower layer are arranged in a staggered mode, the heat exchange area can be effectively increased, meanwhile, the structure is compact, meanwhile, turbulent flow is increased, and the heat exchange effect is ensured.

This invention relates to a crystallization apparatus for preparing lithium hexafluorophosphate, comprising: a tank body, a feeding device provided on the top surface of the tank body, and an array of heat exchange components provided on the inner wall of the tank body. The heat exchange components include several heat exchange plates disposed on the inner wall of the tank body and arranged along the length of the tank body. This apparatus can increase the heat exchange area and enhance the heat exchange efficiency, enabling the uniform and rapid precipitation of lithium hexafluorophosphate crystals, and achieving continuous production with simultaneous crystallization and scale prevention.

The application discloses a low-pressure boiler system utilizing high-temperature flue gas heat exchange, which comprises a flue gas heating furnace wall, a liquid medium bin in the flue gas heating furnace wall, and heated liquid medium filled in the liquid medium bin; a plurality of flue gas heat exchange pipes are transversely arranged in the liquid medium bin and are parallel to each other and are uniformly distributed at intervals, the plurality of flue gas heat exchange pipes jointly form a flue gas heat exchange pipe array, and the flue gas heat exchange pipe array is immersed in the heated liquid medium in the liquid medium bin; the two ends of the liquid medium bin are respectively connected with a liquid medium leading-in pipe and a liquid medium leading-out pipe; in the flue gas heat exchange pipe array, any three flue gas heat exchange pipes adjacent to each other are recorded as a heat exchange pipe combination unit; the enclosed area between the three flue gas heat exchange pipes of any heat exchange pipe combination unit forms a liquid medium heat exchange enhancement tunnel extending along an axial direction; and a plurality of heat exchange enhancement cages are equidistantly arranged in each liquid medium heat exchange enhancement tunnel along the length extension direction. The output supply stability of the hot liquid medium is improved.

The utility model discloses a cross-flow nest plate tube heat exchanger, which belongs to the technical field of heat exchange equipment in a compressed air energy storage system and comprises a shell, a tube plate, a heat exchange tube, a tube pass seal head, a tube pass inlet, a tube pass outlet, nest plates, a shell pass inlet and a shell pass outlet. The heat exchange tube is arranged in the shell through the tube plate, the tube pass end socket is arranged on the side, opposite to the heat exchange tube, of the tube plate, and the tube pass inlet and the tube pass outlet are formed in the tube pass end socket. The sleeve sheets are sleeved on the heat exchange tubes to form a tube bundle with the heat exchange tubes; the multiple shell pass inlets are formed in the upper portion of the shell in the axial direction, and the multiple shell pass outlets are formed in the lower portion of the shell in the axial direction. According to the utility model, through the cross-flow arrangement, the circulation path of the shell pass gas is short, and the pressure drop of the shell pass gas is reduced; the shell pass has multiple inlets and multiple outlets, the adaptive air flux is larger, the requirement of large air flux on low pressure drop of the heat exchanger during compressed air energy storage is met, and then the overall efficiency of an energy storage system is improved.

The application discloses a rotary air preheater with a multilayer annular heat pipe, relates to the technical field of air preheating, and comprises an outer shell, an inner rotor, a center cylinder, a flue gas inlet, an air outlet, a flue gas outlet, an air inlet, a disturbance mechanism, a ring pipe group, a driving piece and a corrugated plate group. The center cylinder is coaxially arranged at the center position in the outer shell, the inner rotor is rotationally arranged on the outer wall of the center cylinder, the outer wall of the inner rotor is rotationally connected with the inner wall of the outer shell, the inner rotor is driven by the driving piece located at one side of the outer shell, the flue gas inlet and the air outlet are formed in the top end of the outer shell, and the flue gas outlet and the air inlet are formed in the bottom end of the outer shell. The corrugated plate group and the ring pipe group are arranged in the inner rotor, and a plurality of disturbance mechanisms are circumferentially arranged on the inner wall of the ring pipe group. The flue gas and the air are transversely washed to the annular heat pipe, the heat exchange coefficient of the flue gas and the air is strengthened, the deposition rate and deposition amount of ammonium bisulfate on the heated surface can be significantly slowed down, and the safety risk is reduced.

The utility model discloses a fish oil mixing filter device with spiral heating pipe. Including heating assembly, stirring subassembly, filter component and feeding assembly. Heating assembly has open heating bucket and spiral heating pipe, stirring subassembly contains mixing cavity, hollow oil pipe, rotating electrical machine, rotating shaft and stirring blade, filter component is constituted by filter bucket, lifting platform and filter baffle, and the first oil inlet pipe and second oil inlet pipe of feeding assembly are connected with crude oil tank and lye pool respectively. The device integrates multiple component functions, heats up quickly and evenly, the spiral heating pipe increases the heat exchange area, solves the traditional heating malady, the mixing and filtering are integrated, the transfer link is saved, the oxidation risk and the viscosity increase problem are reduced, the filter and the maintenance are optimized, the convex design and the liftable platform can separate, replace and clean the filter material, the oil inlet pipe is beneficial to the accurate proportioning and initial mixing. The device is suitable for refining fish oil and other materials, has multiple advantages, effectively integrates the function and has remarkable benefits.

The utility model relates to the field of silicone sealant processing, and discloses a cooling mechanism for silicone sealant processing, which comprises a cooling barrel, a silicone sealant storage barrel is fixedly arranged on the inner wall of the bottom of the cooling barrel, and cooling components are arranged on the cooling barrel and the silicone sealant storage barrel; the cooling assembly comprises a transfer pump, a discharge pipe, a connecting pipe, a return pipe, a cylinder, a main pipe, a branch head, an electromagnetic valve and an adding hopper; the material pump is fixedly installed at the bottom of the cooling barrel, the discharging pipe is fixedly installed at the bottom of the material pump, the connecting pipe is fixedly installed between the discharging pipe and the backflow pipe, the cylinder is fixedly installed on the silicone sealant storage barrel, the backflow pipe is fixedly connected with the cylinder, the main pipe is fixedly connected with the cylinder and the branch head, and the branch head is fixedly connected with the main pipe. And the electromagnetic valve is mounted on the cylinder. The silicone sealant cooling device has the following advantages and effects that the silicone sealant can be rapidly cooled, and the cooling efficiency of the silicone sealant is improved.

This utility model discloses a cooling device for an electrically heated lithium battery material tunnel kiln, belonging to the field of tunnel kiln cooling technology. It includes a frame, an insulation layer, a track, multiple saggers, and a kiln car. The insulation layer is disposed on the inner wall of the frame. The track is disposed at the bottom of the frame along the length of the tunnel kiln. The kiln car is rotatably connected to the track. The multiple saggers are spaced apart on the kiln car. It also includes cooling pipes, a liquid supply pipe, a liquid discharge pipe, a liquid cooling station, and a circulation tower. The end of the cooling pipe is connected to the top of the frame and extends into the gap between the multiple saggers. Both ends of the liquid supply pipe are connected to one end of the cooling pipe and the liquid cooling station, respectively. Both ends of the liquid discharge pipe are connected to the other end of the cooling pipe and the circulation tower, respectively. The cooling pipes can be evenly distributed on both sides of the saggers, ensuring uniform material cooling and high consistency in material forming.

The utility model discloses a kind of heat exchange equipment and pulping system. Heat exchange equipment includes heat exchange cylinder and cold pipe. Heat exchange cylinder is provided with heat exchange cavity, feed inlet and discharge port, heat exchange cavity is communicated with feed inlet and discharge port, cold pipe is set in heat exchange cavity, and it is used for being contacted with slurry, cold pipe includes at least one coil pipe, each coil pipe is spirally arranged along the central axis of heat exchange cylinder, each coil pipe includes multiple radiating sections, multiple radiating sections are sequentially connected along the axial direction of heat exchange cylinder, in the axial section of the central axis of heat exchange cylinder, two adjacent radiating sections are spaced apart. Using the heat exchange equipment provided by the utility model, the resistance in the flow process of slurry is reduced, the pressure drop of heat exchange equipment is reduced, the energy consumption of heat exchange equipment is reduced, the pipeline wear and tear and leakage risk caused by high pressure of heat exchange equipment are reduced, the service life of heat exchange equipment is prolonged, the maintenance cost is reduced, and the heat exchange area between slurry and cold pipe is increased, the heat dissipation effect of slurry is improved.

This invention discloses a dual-duct vertical cooling device for material cooling and waste heat utilization. The main body of the device consists of a cooling cylinder, a feed hood, a rotary support platform, a discharge hood, and an external support frame. Multiple sets of cooling cones and a material collection tray are vertically arranged inside the cylinder, with a central ventilation duct in the center. The external support frame, through circumferential guide wheels and a cylinder retaining ring, ensures stable operation. The cooling cones adopt a combination of outer and inner cone structures, combined with a skirted concave design, which, combined with the rotation of the equipment, achieves flat material dispersion, expanding the gas-solid heat exchange area. The dual-duct system operates independently: turbid air is fluidized and pressure-stabilized by the discharge hood before directly exchanging heat with the material, with the heated gas used for material preheating; clean air indirectly exchanges heat with the cone walls through the central ventilation duct, forming clean air for use in the plant area. This invention achieves uniform material cooling, broadens the pathways for waste heat utilization, improves cooling effect and waste heat recovery efficiency, and is suitable for rotary kiln production lines in magnesium smelting and other similar applications.

The utility model relates to the technical field of asphalt production, especially a kind of even heating device for polyurethane modified asphalt production, including, stirring bucket, for accommodating polyurethane modified asphalt;Agitating mechanism is set to the inside of stirring bucket, for stirring material, scrape the sidewall and bottom surface of stirring bucket;Conduction heating mechanism, it is around to set in the outside of stirring bucket, the inside of stirring bucket is heated by heat conduction oil conduction;And, radiation heating mechanism, the radiation heating mechanism is installed in the bottom of stirring bucket, the inside of stirring bucket is heated by infrared radiation, the utility model is guided to the heat conduction oil to be folded type path flow by folding type deflector, pass through turbulent disturbance and extend heat transfer path, so that heat is fully transferred, the heat transfer efficiency of heat conduction oil and stirring bucket wall is greatly improved, and the closed loop system of heat conduction oil furnace and circulating pump ensures that heat is continuously supplied and transported, so that heat transfer efficiency is greatly improved.

This utility model discloses an optimized structure for an aluminum alloy heat exchanger, relating to the field of heat exchanger technology. It includes a top plate, a partition plate attached to the bottom side of the top plate, and several sequentially stacked flow channel layers attached to the bottom side of the partition plate. A bottom plate is attached to one side of each flow channel layer. Several flow distribution ports are symmetrically arranged on the flow channel layers. Mutually perpendicular heat exchange mechanisms are provided on both sides of the flow channel layers. Each heat exchange mechanism includes a flow distribution groove connected to the corresponding flow distribution port, one end of which is connected to a mixing groove. Several corrugated heat exchange plates are installed between the two sets of mixing grooves of the heat exchange mechanism. Several flow distribution plates are installed within the heat exchange mechanism. This utility model solves the problems of low utilization rate and low heat exchange efficiency of the flow channel layers caused by the gaps in the diffusion grooves in the prior art. This utility model increases the path of the medium flow by using corrugated heat exchange plates, and the heat exchange plates of adjacent flow channel layers are arranged at intervals, increasing the heat exchange area between the flow channel layers and the medium, thereby improving the heat exchange efficiency.

An enhanced phase change thermal energy storage device, belonging to the technical field of phase change thermal energy storage equipment, solves the technical problems of solid-liquid stratification and low heat storage and release rates during the heat storage and release processes of traditional phase change thermal energy storage units. The solution is as follows: a heat transfer fluid inlet, a heat transfer fluid outlet, a shell, a central heat exchange tube, and an inner sleeve are coaxially arranged. The inner sleeve is installed inside the shell, and an insulation material layer is placed in the annular gap between the inner sleeve and the shell. The heat transfer fluid inlet and outlet respectively penetrate the end face of the shell and extend into the cavity of the shell. The central heat exchange tube is located between the heat transfer fluid inlet and outlet, and heat dissipation fins are provided on the tube wall. The space between the outer wall of the central heat exchange tube and the inner wall of the inner sleeve is filled with phase change material. This invention increases the heat exchange area between the phase change material and the heat transfer fluid, significantly improving its heat exchange efficiency, accelerating the melting and solidification rate of PCM, improving heat storage capacity, and making heat storage and release more uniform.

The invention provides a heat exchanger which comprises an outer pipe and an inner pipe, at least part of the inner pipe is located in the outer pipe, the heat exchanger is provided with a first channel and a second channel, at least part of the first channel is located in the inner pipe, and at least part of the second channel is located between the outer pipe and the inner pipe; the heat exchanger includes a vortex generating portion extending from a wall of the inner tube toward one of the first passage and the second passage in a radial direction of the inner tube. According to the heat exchanger, the vortex generation part can extend to one of the first channel and the second channel, so that a heat boundary layer of flowing fluid can be destroyed, and the vortex generation part can also increase the heat exchange area of the fluid, so that the heat exchange effect is improved.