348results about How to "Improve heat transfer efficiency" patented technology

The invention belongs to the technical field of power station boiler waste heat recycling energy-saving equipment and relates to a plate-and-shell type coal economizer. The plate-and-shell type coal economizer comprises a corrugated plate heat exchange core body (1), a heat exchanger shell (2), a first and a second water inlet / outlet water tank (3, 3') and a first and a second exhaust gas inlet / outlet pipeline (4, 4'), wherein the corrugated plate heat exchange core body (1) is mounted in the heat exchanger shell (2), the first and second water inlet / outlet water tanks (3, 3') are respectively arranged at the upper and lower ends of the front side of the corrugated plate heat exchange core body (1), and the first and second exhaust gas inlet / outlet pipelines (4, 4') are respectively arranged at the upper and lower sides of the corrugated plate heat exchange core body (1). The plate-and-shell type coal economizer solves the problem that the length of a water passage needs to be increased to solve the problem of unapparent water heating due to the great difference between an exhaust gas density and a water density, and meanwhile, a corrugated passage at the exhaust gas side enables the exhaust gas flow turbulivity to be increased and the heat transfer efficiency to be improved; the blockage due to ash accumulation happens rarely, even if the ash is accumulated, the cleaning is easy to finish.

The invention discloses a divided water tank device for an internal heat exchanger of a split type solar water heater. Butt welding is carried out by utilizing an end enclosure of a stainless steel confined water bank inner bag; the end enclosure is used as the heat exchanger to play the role of a water tank partition board; the water tank is divided into independent divided cavities; the heat exchanger is sealed with the inner bag of the water tank; the adjacent cavity bodies communicate with each other via draught tubes; the medium circulation and the medium supplement, namely unconfined running of the heat exchanging part, are carried out safely and reliably via an upper circulating pipe and a heat collecting part; and the device can fully improve heat energy transformation and reduce heat loss.

This invention provides a carbon dioxide recovery cascade refrigeration system, including a circulation loop and a first heat exchanger, a compressor, a condenser, and a first oil drain pipe disposed on the circulation loop. The circulation loop is used for the flow of carbon dioxide heat exchange medium. The first heat exchanger has independent first and second heat exchange channels. The first heat exchange channel has a first inlet and a first outlet. The second heat exchange channel has a second inlet and a second outlet respectively connected to the circulation loop. The carbon dioxide heat exchange medium in the second heat exchange channel is used to reduce the temperature of the medium in the first heat exchange channel. An oil drain port is provided at the bottom of the first heat exchange channel. The gas inlet of the compressor is connected to the second outlet of the first heat exchanger. The condenser is located downstream of the compressor and is used to condense the carbon dioxide heat exchange medium after compression by the compressor. The oil drain port is connected to the inlet of the compressor through the first oil drain pipe. This system uses carbon dioxide as the heat exchange medium, resulting in low cost.

This invention provides a fluid heater and a cleaning device, the cleaning device including the fluid heater. The fluid heater includes: a housing defining a fluid channel through which fluid flows and including a first pipe connector and a second pipe connector for connection to a fluid pipeline; a heating unit disposed within the fluid channel; and a heat-conducting unit disposed within the fluid channel adjacent to the heating unit to transfer heat generated by the heating unit to the fluid within the fluid channel. The above-described fluid heater has high heating efficiency.

This invention belongs to the field of nuclear magnetic resonance technology and discloses a compact superconducting coil heat transfer structure and a liquid helium-free superconducting magnet. The compact superconducting coil heat transfer structure, applied to a liquid helium-free superconducting magnet, includes a tubular superconducting coil winding frame. A flattened superconducting coil assembly is wound around the outer surface of the superconducting coil winding frame via grooves. A heat transfer plate is provided on the outer side of the superconducting coil winding frame, and an end-face heat-conducting plate is provided at each end of the superconducting coil winding frame. Each end of the heat transfer plate is connected to the corresponding end-face heat-conducting plate, and a heat transfer metal plate is connected to both end-face heat-conducting plates. The heat transfer metal plate is in contact with the superconducting coil assembly to form a closed heat transfer loop. This invention has a compact overall structure and, through the heat transfer plates, significantly reduces the risk of excitation quench, improving the ease of use and stability of the equipment.

This utility model relates to the technical field of heating equipment for livestock farming, and discloses an infrared radiation plate for pig nursery pigs, including a shell and a first heating element. The first heating element is located inside the shell and is attached to the inner front wall of the shell. Compared with heating tubes, the first heating element provided by this utility model can provide a uniform heating effect for the infrared emitting plate, and the radiant heating area is large. Therefore, it is not necessary to use multiple heating tubes to heat the living environment of the nursery pigs, which can avoid the problem of increased pig farming costs due to increased purchase costs of heating plates. Moreover, the infrared emitting plate provided by this utility model has a simple structure, and users can directly plug it in after delivery, eliminating complicated installation procedures. In the humid and regularly disinfected environment of the pig farm, the service life of the infrared emitting plate is longer than that of heating tubes, which can greatly reduce the equipment investment of pig farming enterprises.

The utility model discloses an integrated heat exchanger suitable for frozen drying machine, including the casing, the casing is equipped with the outlet of drying gas, the inlet of water gas, the coolant outlet and the coolant inlet from top to bottom, the upper portion is equipped with the heat exchanger in the casing, still be equipped with the evaporimeter in the casing, still be equipped with the gas liquid separation chamber of gas in the bottom of casing, the evaporimeter is located heat exchanger below and communicates with the heat medium outlet of heat exchanger, the backflow channel of gas is established between evaporimeter and heat exchanger and the inside of casing, and the gas outlet of evaporimeter and the cold medium inlet of heat exchanger communicate with backflow channel. The utility model divides and sets up the upper and lower end in the casing with heat exchange and evaporation function, can simplify the structure setting in the casing, and the production cost is simplified, after setting evaporimeter below heat exchanger, can realize the step -by -step cooling of airflow from top to bottom, is favorable to the gathering of condensate in the bottom of casing and gas -water separation in the cooling process, thereby guaranteeing the drying effect of gas.

The utility model discloses a kind of device for separating and purifying cosmetic functional raw materials using affinity chromatography technology, it is related to chromatography column field, including fixed plate, chromatography column, heat preservation shell and connecting assembly, chromatography column is by effluent bucket, glass shell and top cover composition, fixed plate fixedly sets in effluent bucket outer wall, effluent bucket and top cover are with glass shell and are formed sealed cavity by thread connection, heat preservation shell is clamped by two half shells and is wrapped in chromatography column outer wall, connecting assembly is installed in fixed plate lower surface, connecting assembly is used for the fixation and separation of two half shells, the utility model is split by heat preservation shell, so that scale can be completely removed in cleaning process, improve heat transfer efficiency, ensure the uniformity of chromatography column internal temperature distribution, conducive to maintaining the stability and separation effect of chromatographic process.

The application provides a heat transfer device of a heavy ash powder flow cooling alkali machine, which comprises a screw rod and a blade, the inner cavity of the blade is communicated with the inner cavity of the screw rod, a pipe fitting is arranged on the blade, and movable blocks are screwed into the two ends of the pipe fitting. The application can change the contact area between the inner wall of the two ends of the pipe fitting and the material by changing the screwing depth of the movable blocks in the pipe fitting, so that the heat exchange efficiency can be further improved.

The present application relates to the technical field of edible salt, and particularly relates to a green edible salt production process. Technical problems are as follows: the existing technology causes the caking problem of edible salt in the production, transportation, storage and use process due to the zero addition of anti-caking agent. A technical solution is as follows: a green edible salt production process comprises the following steps: A: secondary cooling of finished salt before packaging; the finished salt is sent into a secondary cooler after coming out of a self-made salt device dryer, and the temperature of the finished salt is reduced to close to room temperature through circulating desalted water; B: screening of the finished salt particles cooled in step A, and selection of the oversize material with relatively large particle size and not easy to caking; C: addition of iodine agent into the finished salt cooled and screened in step B; D: storage of the finished salt in step C for a period of time before packaging; E: packaging by using a packaging material with strong blocking property and good sealing performance.

The invention belongs to the technical field of dibromohydantoin production, and particularly provides a dibromohydantoin synthesis method which comprises the following steps: S1, preparing a raw material aqueous solution, namely respectively mixing dimethyl hydantoin, sodium bromide and liquid caustic soda NaOH with deionized water to form a dimethyl hydantoin aqueous solution, a sodium bromide aqueous solution and a liquid caustic soda NaOH aqueous solution; s2, premixing the raw material aqueous solution, namely mixing the aqueous solution of dimethyl hydantoin, sodium bromide and caustic soda liquid NaOH prepared in S1 to obtain a premix; s3, electrochemical in-situ bromination reaction: introducing the premix into a micro-channel reactor provided with an electrolysis electrode, and applying current to the premix to obtain a dibromohydantoin initial solution; and S4, crystallizing, separating and drying the product, carrying out cooling crystallization through a three-stage stepped cooling method to obtain a dibromohydantoin crystal, carrying out centrifugal separation to obtain a dibromohydantoin wet product, and then drying to obtain a dibromohydantoin finished product. The method can improve the generation stability and the product quality of the dibromohydantoin.

The utility model provides a kind of battery and vehicle with it, battery includes shell, at least two battery layers and at least two heat exchange parts, each battery layer includes battery monomer;Each heat exchange part has accommodating cavity of accommodating heat exchange medium, at least two heat exchange parts include: first heat exchange part, set in the bottom of shell, at least two battery layers in the battery layer located in bottom is set on first heat exchange part and is attached with first heat exchange part;Second heat exchange part, set in the shell, any two adjacent battery layers are provided with second heat exchange part, and the battery layer on the both sides of second heat exchange part is attached with it.The battery of the utility model solves the problem of insufficient cooling efficiency of the cooling system of battery in the prior art.

The utility model provides a temperature control system and an oxygen pressure leaching device, and relates to the field of hydrometallurgy. The temperature control system comprises a heat exchange piece, a first pipeline assembly and a second pipeline assembly. The heat exchange piece is arranged in the reaction kettle, the heat exchange piece is provided with a heat exchange cavity, and the first pipeline assembly and the second pipeline assembly are both communicated with the heat exchange cavity; the first pipeline assembly comprises a first pipeline and a second pipeline which are connected in parallel, the first pipeline is used for bearing a cooling medium, and the second pipeline is used for bearing a heating medium; the first pipeline, the heat exchange chamber and the second pipeline assembly form a first flowing path; the second pipeline, the heat exchange cavity and the second pipeline assembly form a second flowing path. The temperature control system provided by the utility model solves the technical problems of high cost and high manufacturing difficulty of a reaction kettle temperature control method in the prior art.

This utility model belongs to the field of evaporator technology and discloses a high heat exchange efficiency microchannel heat exchange structure ice mold evaporator, including an evaporator body. Multiple microchannel heat exchange tubes are fixedly installed on the inner side of the evaporator body, and multiple microchannel holes are opened at the bottom of the evaporator body. Diversion pipes are fixedly installed on the left and right sides of the evaporator body. The comprehensive application of the microchannel heat exchange structure, inner surface strengthening treatment, and outer surface fin design significantly improves the heat exchange efficiency of the evaporator. Compared with traditional evaporators, the ice-making speed can be increased, producing the same amount of ice in a shorter time, meeting the demand for rapid ice making. High heat exchange efficiency means that, under the same ice-making capacity, the required refrigeration compressor running time is shortened, and energy consumption is reduced. Actual testing shows that using the evaporator of this utility model reduces the energy consumption of the ice-making system, effectively reducing operating costs.

The utility model relates to an enameled wire production equipment technical field especially relates to a kind of enameled wire painting wire rod cooling traction device, and multiple wire rod cooling traction devices are connected with factory centralized cooling equipment respectively;The wire rod cooling traction device includes cooling traction roller shaft and multiple wire guide wheels, and multiple wire guide wheels are used to guide enameled wire to bypass cooling traction roller shaft;Cooling liquid cavity is arranged in the cooling traction roller shaft, one end of the cooling traction roller shaft is provided with swivel joint, the cooling liquid cavity is connected with the swivel joint, and the swivel joint is connected with cooling water inlet pipe and outlet pipe, and the cooling water inlet pipe and the outlet pipe are connected with the factory centralized cooling equipment respectively. It has the characteristics that enameled wire cooling effect is good and equipment is simple and easy to maintain.

The utility model relates to the technical field of plate type evaporators, and discloses a novel rectangular grid plate evaporator which comprises a bottom plate, movable grooves are formed in the positions, close to the front end and the rear end, of the upper end face of the bottom plate, and threaded rods are rotationally embedded in the two movable grooves. And movable rods are arranged on the outer surfaces of the two threaded rods and the positions, close to the front end and the rear end, of one side of the upper end face of the bottom plate correspondingly, a first clamping plate is arranged between the two movable rods, located on one side, of the four movable rods, and a second clamping plate is arranged between the two movable rods, located on the other side, of the four movable rods. According to the heat exchanger, the rectangular supporting blocks are arranged on the upper end face of the first evaporation plate and the upper end face of the second evaporation plate, a liquid film formed between fluid and a heat exchange face can be effectively damaged in the using process, the fluid can be better evaporated, and an arranged movable rod can drive a first clamping plate to move and be adjusted; therefore, the number of the evaporation plates can be better increased or decreased according to different requirements.

The utility model discloses a mould temperature controller heating assembly, including the shell, the shell inside forms the installation space, still be provided with the water inlet pipe and the water outlet pipe of extending to outside on the shell, water inlet pipe and water outlet pipe are connected with the water pipe and form the water flow channel, the water pipe is located in the installation space of shell, the outside installation of water pipe has the heating structure, the heating structure includes the heat conduction cylinder, the heat conduction cylinder fixed mounting is at the outside of water pipe, the outside of heat conduction cylinder is provided with spiral groove, and electric heating tube spiral setting is cooperated with thread groove, and the end of the shell opposite point heating pipe is provided with the mouth of giving place. This mould temperature controller heating assembly has the advantage that can increase the contact area of heating tube and circulating water pipe, improves the heat transfer efficiency, and is convenient to use.

The utility model relates to fan cooler interval pad technical field, specifically disclose a kind of sulfur dioxide fan cooler interval pad, including main beam, the both sides of main beam are equipped with positioning structure respectively, the both ends of main beam are fixedly connected with edge arc block, first positioning structure is located in the side of main beam, contain multiple groups of symmetric distribution's positioning slot, each group positioning slot is made of two symmetrical isosceles trapezium, second positioning structure is located in the other side of main beam, eliminate displacement risk by double positioning structure, eliminate cooling water short-circuit phenomenon, significantly improve heat exchange efficiency, the combination design of isosceles trapezoidal slot and cylindrical positioning pin enhances impact stability, reduces equipment maintenance frequency, arc edge realizes automatic alignment sealing, installation efficiency is improved, integrally formed corrosion-resistant structure resists sulfur dioxide environmental erosion, prolongs cooler overall life, finally guarantees fan bearing continuous safe operation, avoid unplanned shutdown loss.

This invention relates to the field of molten salt energy storage technology and discloses a molten salt energy storage system. The molten salt energy storage system includes: a molten salt tank with an inner cavity and an outlet and inlet communicating with the inner cavity; the inner cavity is capable of storing nitrogen and high-temperature molten salt for energy storage; a nitrogen circulation pipeline connected between the outlet and inlet for exporting nitrogen from the molten salt tank through the outlet and importing it through the inlet; and a flow-dispersing device located in the inner cavity and communicating with the inlet, the flow-dispersing device including a jet nozzle, through which nitrogen introduced from the inlet is exported to agitate the molten salt. This invention places the flow-dispersing device in the inner cavity of the molten salt tank. The nitrogen exported through the jet nozzle of the flow-dispersing device forms an upward flow of bubbles, agitating the molten salt in the tank. This enhances the fluidity of the molten salt within the tank, improves the heat exchange effect between the molten salt and the heating and releasing units within the tank, increases the heat transfer efficiency of the molten salt, and improves the heat exchange effect between the energy release stage and the water in the water pipeline. It also improves the uniformity of nitrogen sealing.

The utility model discloses a multifunctional water tank of cooling relates to water tank technical field, including box, coil evaporator, water inlet pipe, drain pipe, overflow pipe, water supplementing mouth and float ball valve, the inside of box is provided with at least one coil evaporator, and the coil evaporator has import joint and export joint, and import joint and export joint are located in the one side outer wall of box and with the inside intercommunication of coil evaporator, and the one end of box is provided with water inlet pipe, drain pipe, overflow pipe and water supplementing mouth, and water inlet pipe, drain pipe, overflow pipe and water supplementing mouth are communicated with the inside of box respectively, and the inside of box is located at water supplementing mouth and is provided with float ball valve. In the utility model, through with the integration design of coil evaporator and water tank, form coil evaporative heat exchange system, has realized efficient heat exchange, compares traditional heat exchange mode, and heat exchange efficiency improves about 30%, and the equipment adopts compact design, and the installation space is saved.

The application provides a high-heat-dissipation, high-flexibility and high-isotropy superconducting bundled wire which is composed of a buckle center framework, superconducting tapes and an external protective sleeve. The buckle center framework is used in the technical scheme, the unit buckle rings in the buckle center framework are buckled to each other through buckling and have a movable allowance between each other, so that the buckle center framework can be bent without plastic deformation of the metal framework, strain accumulation of the superconducting tapes caused by bending is avoided, and the limit bending radius is small. The gap on the wall of the buckle center framework can accelerate the cooling efficiency of the bundled wire during pre-cooling of the cooling medium, and allows the cooling medium to flow in the radial and axial directions during formal operation of the bundled wire, so that the heat exchange efficiency of the superconducting tapes is increased.

The application relates to the technical field of heating equipment, and provides a heating air outlet device and a bathroom heater. The heating air outlet device comprises a mounting bracket and a heating module. A plurality of mounting cavities are formed in the mounting bracket, and the mounting cavities form air passing channels for external airflow to pass through. The heating module comprises a plurality of heating blocks. The plurality of heating blocks are respectively and correspondingly mounted in the plurality of mounting cavities along a first direction, and the plurality of heating blocks are arranged in a staggered manner along the first direction. The mounting heights of at least two heating blocks along the first direction are different. The heating air outlet device provided by the application can construct heating structures with different shapes according to requirements, and the mounting heights of the heating blocks can be correspondingly set according to the air volume before the air enters the respective mounting cavities, so that the heat exchange efficiency of airflow and the corresponding heating blocks in the part with relatively small air volume is improved, and the problem of poor local heat dissipation effect of the heating air outlet device is solved.

This disclosure relates to an infrared heating device for vacuum thermal testing. The infrared heating device includes: multiple plate units, heating wires, and connectors. The surface of each plate unit has multiple mesh openings and wiring grooves distributed between the mesh openings; the heating wires are embedded in the wiring grooves via a heat-conducting medium; the connectors are located on the plate units near the ends of the heating wires; the connectors are used to detachably electrically connect the heating wires to conductors, which are connected to an external power source; the multiple plate units can be detachably assembled to form a continuous radiating surface and enclose a heating chamber adapted to the shape of a spacecraft; the heating wires generate heat when energized and transfer the heat to the plate units via the heat-conducting medium; the plate units transfer external heat flow to the spacecraft surface through thermal radiation. This disclosure, through modular design and assembly, enables the infrared heating device to possess high flexibility and adaptability.

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 utility model discloses a welding tooling applied to dissimilar materials relates to welding technical field, including the carrier plate for bearing copper material and aluminum material, and the carrier plate is provided with the fixture for fixing copper material and aluminum material two position, the welding tooling still includes the water tank of can accommodate carrier plate and make the cooling liquid can immerse the welding area between copper material and aluminum material, and the spray assembly of the fixed or movable mode to the welding area spray cooling liquid is selected. The utility model discloses through setting up the carrier plate of bearing copper material and aluminum material and fixed clamp, can ensure two kinds of to be welded material to keep stable relative position in the welding process, avoid because of the misplacement of welding thermal stress or mechanical disturbance, and the water tank of can accommodate carrier plate and make the cooling liquid immerse the welding area is integrated simultaneously, and the spray assembly of optional fixed or movable mode, make the tooling have the double function of whole immersion cooling and spray cooling.

The utility model discloses a heat exchange device and water treatment facilities. The heat exchange device includes main part, first outflow joint and at least two first inflow joint, the main part is arranged in water treatment facilities and is inside provided with heat exchange cavity, first outflow joint with main part is connected and is communicated in heat exchange cavity, each first inflow joint with main part is connected and is communicated in heat exchange cavity, each first inflow joint is communicated with the different parts of heat exchange cavity respectively. The heat exchange device provided in the application is provided with at least two first inflow joint on the main part, and the heat exchange water can flow into the heat exchange cavity in the inside of the main part through the at least two first inflow joint, each first inflow joint is located at the different parts of the main part, and then the temperature change of the heat exchange device main part can be more uniform, and the heat exchange efficiency of the heat exchange device and the heat dissipation end of refrigerating device is improved.

This utility model discloses an electric heating blanket for heating concrete core walls, relating to the field of temperature control devices. It includes: a layered main body comprising a waterproof and wear-resistant layer, a heat-insulating and reflective layer, a heating layer, and a flexible support layer stacked sequentially; a temperature adjustment mechanism for selecting the heating level of the electric heating blanket; and a magnetic fixing strap for fixing it to the surface of the asphalt concrete core wall. The magnetic fixing strap is detachably connected to the edge of the layered main body, and the layered main body is connected to the temperature adjustment mechanism. This utility model features a novel design, is easy to carry, and optimizes heat conduction efficiency through the multi-layered structure of the layered main body, significantly improving construction adaptability and energy utilization. It is suitable for concrete curing operations in low-temperature environments such as dams and reservoirs.

The present application relates to helium purification device and method, specifically relates to a kind of metal hydride reactor dehydrogenation helium extraction device and method, purpose is to solve the problems of insufficient pressure fluctuation suppression ability, energy utilization efficiency, energy consumption is higher or the problem of insufficient safety that helium purification technology exists.The present application device includes heat exchanger, first reactor and second reactor are filled with metal hydride and are in parallel, and hydrogen storage tank and related monitoring and control components;First reactor, second reactor and heat exchanger are connected with external public heat exchange equipment.The present application method includes alternately using first reactor, second reactor carries out adsorption and desorption work, and according to actual situation, hydrogen storage tank releases hydrogen, and the system is self-pressurized.The present application improves energy utilization efficiency, reduces the energy consumption of device overall, and the pressure fluctuation of entire system is stable.

The utility model relates to twin screw extruder technical field, concretely is a kind of extruder granulating mechanism, including head, the extrusion end of head is equipped with granulating shell, and the side top of granulating shell is provided with the clamping groove that is attached in the outer wall of head, the bottom of granulating shell is designed as discharge gate, the other side of granulating shell is fixedly installed with motor, and the output shaft of motor is fixedly installed with the shaft, the outer wall one end of the shaft is fixedly installed with annular rotary drum, and the outer wall one side of annular rotary drum is fixedly installed with the cutter of equidistance distribution, the outer wall other side of annular rotary drum is provided with heating assembly;The utility model ensures cutter to keep appropriate temperature, avoid molten material to stick because cutter temperature is too low, and the heat in head heating groove is transferred to annular heating cylinder inside, auxiliary maintenance heating assembly's operation, without heating assembly excessive energy consumption, improve heat transfer efficiency, form double temperature guarantee to cutter, ensure processing stability.

The application discloses a plate-tube type freezing evaporator in the technical field of refrigeration equipment, which comprises an evaporation plate and an evaporation pipe, the evaporation pipe is fixed on the evaporation plate, both ports of the evaporation pipe are located on the same side of the evaporation plate, a plurality of punching ports are arranged on the evaporation plate, the punching ports are oppositely arranged in pairs, a first folding edge is arranged at the opposite end of the opposite punching ports, the evaporation pipe is arranged on the inner side region opposite to the first folding edge, and the evaporation pipe can be arranged in a single-pipe independent fixing mode or a double-pipe parallel fixing mode in the inner side region, a second folding edge and a third folding edge are sequentially connected to the two sides of the evaporation plate, notches are arranged at the upper and lower ends of the second folding edge, and the two ports of the evaporation pipe penetrate the notches.