100results about How to "Good isotherm" patented technology

The invention is a capillary microgrooves and thermoelectric combined heat control method and system, relates to a heat dissipation and heat controlling method and device used in laser, electronic and electric apparatus. Liquid are heated for evaporation and boiling in capillary microgroove evaporator by heat member, steam flows into condensator through heat preservation flexible pipe, coagulates and heat releases in coagulating microgrooves in condensator under function of thermoelectric cooler on exine of condensator, and meanwhile thermoelectric cooler transmit heat from heat surface to heat dissipation elements (heat dissipation board or water-cooling heat radiator), and finally dissipate heat by air-cooling or water-cooling; coagulated liquid flows back to capillary microgroove evaporator through liquid return flexible pipe and connector to drain microgrooves, so that a circulation of heat extracting and releasing is completed, and components are cooled and heat controlled. Device adopting the inventive method includes a vacuum capillary microgroove evaporator, heat preservation flexible pipe, condensator, thermoelectric cooler, heat dissipation element, liquid return flexible pipe, connector to drain microgrooves.

The invention aims at providing an energy-saving and environmentally-friendly efficient process for recycling of kitchen waste and garden waste by using low-grade energy. The process comprises the following steps: firstly preprocessing the waste; uniformly classifying the collected kitchen waste and smashing the kitchen waste; smashing the collected large-size garden waste by a large pulverizer, and putting the large-size garden waste and the other small-size garden waste into a small pulverizer to further smash; proportionally putting the preprocessed kitchen waste and the garden waste into a high-temperature aerobic fermentation reactor, wherein the feeding method is a sequencing batch feeding method, and the moisture content of the reacted product is less than or equal to 30%; sieving the processed initial product to filter out the non-treatable large-particle-size impurities, after mixing, processing the product into a planting soil raw material, a soil conditioner or an organic fertilizer according to different uses.

The invention relates to a heat tube type pulse tube refrigerating machine cold air transfer arrangement wherein the condensation section of the heat tube is coupled to the refrigerating machine's fixed junction, the evaporation section is coupled with the refrigeration device, a condensation section end cover can be arranged on the condensation section to be coupled and contact with the refrigerating machine's fixed junction, and an evaporation end cap can be arranged on the evaporation section to be coupled with the refrigeration device, the cold air will be transferred to the cooling device from the fixed junction through the heat tube. The arrangement by the invention has high heat-transfer capability and can solve the problem of pulse tube refrigerating machine high power cold air transfer.

The invention relates to a heat pipe radiation and thrust generation device and a production method thereof, which not only can be used for rapidly transmitting heat generated in a braking process outside to rapidly radiate heat for cooling, but also can be used for generating the directional thrust simultaneously while radiating the heat. An evaporation end and a condensation end of the heat pipe are cylindroid box-shaped cavities which are connected by a round connection pipe. A liquid suction core is arranged at the inner side of the connection pipe, the evaporation end is provided with a hole through which an infusion pipe is conveniently inserted and tightly welded, and the infusion pipe is sealed by a way of cold-welding sealing at first and welding later. The invention further provides a production method of a heat pipe applied to an automotive brake pad. The method comprises the steps of: material selecting, mechanical processing, cleaning, assembling, leakage detecting, vacuumizing, working medium injecting, sealing-in and inspecting. By applying the heat pipe to a brake pad heat radiator, not only can the problem about the heat fading of the brake pad be effectively solved, but also the new direction for developing a bake pad heat radiator is provided.

The invention discloses a thermoelectric power generation module based on a flat heat pipe and a heat pipe cycle waste heat thermoelectric power generation system composed of the same, wherein the thermoelectric power generation module based on a flat heat pipe includes a thermoelectric power generation unit, a casing and a fan, and several groups of thermoelectric power generation units are arranged in parallel Multi-hole parallel flow flat tube, the left and right sides of the multi-hole parallel flow flat tube are tightly installed with thermoelectric power generation sheets and heat dissipation fins, and the upper and lower ends of the multi-hole parallel flow flat tube are respectively inserted into the gas header and liquid header to form an integrated thermoelectric power generation module . Several groups of thermoelectric power generation modules, heat exchangers in waste heat pipelines, gas pipelines, and liquid pipelines can form a heat pipe cycle waste heat thermoelectric power generation system. Through gravity heat pipe circulation, the waste heat in the pipeline is efficiently transferred to each thermoelectric power generation module for power generation. This solution has the advantages of high power generation efficiency, stable voltage, flexible and convenient design and installation, and strong scalability, and is conducive to the standardization, modularization, and commercialization of thermoelectric power generation devices.

The invention provides a treatment device of dioxins atmospheric pollutants in high-temperature flue gas and belongs to a removal method of organic halogen compounds in flue gas. The treatment device is characterized by comprising the following successively-connected devices: a primary intensification combustion furnace (1), a secondary intensification combustion furnace (2), a silicon nitride porous ceramic filter (3), a countercurrent flow heat-exchange waste heat boiler (4), a combined type heat-pipe heat exchanger (5), a filter bag dust remover (6), an acid gas removal system (7), an active carbon adsorption tower (8) and an induced draft fan (9). The treatment device of the dioxins atmospheric pollutants in the high-temperature flue gas is high in waste heat recycling efficiency and is capable of effectively treating the dioxins atmospheric pollutants carried in the process of generating and treating the high-temperature flue gas; all the items of the atmospheric pollutants are lower than the limit values specified in table 4 of GB18485-2014 "Control Standards of Household Garbage Incineration Pollutants"; the emission amount of the dioxins atmospheric pollutants is smaller than or equal to 0.1ngTEQ/m<3>.

The invention relates to a radiating device and discloses a multi-stage evaporation micro-channel heat pipe heat transferring and radiating device. The device comprises two independent working medium circulating systems, and each working medium circulating system is composed of a heat absorbing end and a radiating end; each heat absorbing end comprises at least one heat sink, each heat sink is connected with a condenser through a heat pipe, the condenser is correspondingly divided into several parts according to the number of the heat sinks connected with the condenser, and each part of the condenser and the corresponding heat pipe and the corresponding heat sink connected with the part of the condenser form a sealed independent working medium circulating space; each radiating end comprises an evaporator and a radiator, each evaporator is connected with the corresponding radiator to absorb heat and transfer the heat to the corresponding radiator through the corresponding heat pipe, each evaporator is the same as the condenser in structure, and the condenser, the evaporators and the radiators are provided with micro-channel structures. The heat sinks connected with heat sources and corresponding working medium circulating spaces are independent, a thermal coupling function is reduced, and by means of two-stage evaporation, heat conduction capacity can be greatly improved and flow resistance of fluids in the heat pipes can be greatly reduced.

The invention relates to an electric vehicle power battery heat management device based on a semiconductor refrigeration technology. The electric vehicle power battery heat management device is arranged in a battery cell module, and a gap is reserved between the heat management device and the battery cell. The electric vehicle power battery heat management device comprises a semiconductor chillingplate, two fixedly connected radiators, a controller and heat-conducting elements, wherein heat or cold produced by the semiconductor chilling plate is uniformly distributed on the radiators by virtue of the heat-conducting elements; the two radiators are respectively arranged at a heat end and a cold end of the semiconductor chilling plate; a plurality of heat-conducting elements are respectively connected between the heat ends or cold ends of the radiators and the semiconductor chilling plate in a pressing manner; and the controller is connected with the semiconductor chilling plate by a wire and controls the semiconductor chilling plate to be heated or chilled by switching the voltage polarity. According to the electric vehicle power battery heat management device disclosed by the invention, with the adoption of a semiconductor electronic technology, heating and cooling functions are realized by switching the voltage polarity, and the two radiators are respectively arranged on twoside faces of the semiconductor chilling plate, so that the heat transfer efficiency is improved. Moreover, the heat-conducting elements are respectively connected between the radiators and the semiconductor chilling plate in a pressing manner, and the heat-conducting efficiency between the semiconductor chilling plate and the radiators is improved.

The invention belongs to radiating equipment, and particularly relates to a heat pipe radiator for a high-power LED lamp, which comprises an LED light source, a hollow box-shaped evaporation cavity and a pipeline connected onto the evaporation cavity, the evaporation cavity and the pipeline form a closed circulation loop, the evaporation cavity is provided with an evaporation port, a return port and a filling port, and the position of the evaporation port is higher than that of the return port. The heat pipe radiator solves the problems of low radiating efficiency, heavy weight and the like of an existing LED lamp aluminum profile radiator, light attenuation of LEDs is slowed down, and further the service life of the heat pipe radiator is prolonged.

The invention discloses a nano-encapsulated phase change cold accumulation material and a preparation method thereof. The nano-encapsulated phase change cold accumulation material includes core materials and capsule wall materials, wherein, the core materials are made of organic phase change cold accumulation materials, while the capsule wall materials are made of urea formaldehyde resin; the mass ratio of the core materials to the wall materials is 5:3 or 5:2 or 10:3. The nano-capsule wall materials are formed by the polymerization reaction of two monomers, one is an oil-soluble monomer, and the other is a water-soluble monomer; the oil-soluble monomer and the water-soluble monomer are positioned inside and outside the drop of the core material respectively, and a polymer thin film is formed by carrying out reaction on the surface of the drop of the core material, wherein, preparing prepolymer first, then preparing emulsion and polymerizing, finally carrying out after-treatment to obtain the nano-encapsulated phase change cold accumulation material. The invention improves the technology of the preparation, increases encapsulation efficiency, reduces the cost of the preparation, and enhances the properties of the capsules.

The invention provides a treatment method for dioxins atmospheric pollutants in household refuse incineration smoke, and belongs to methods for removing organic halogen compounds in smoke. The method is characterized in that a treatment device is formed by sequentially connecting the following equipment of a primary intensified burning furnace (1), a secondary intensified burning furnace (2), a silicon-nitride porous ceramic filter (3), a countercurrent flow waste heat boiler (4), a combined type heat pipe exchanger (5), a bag dust collector (6), an acid gas removal system (7), an activated carbon adsorption tower (8) and an induced draft fan (9). The treatment method for the dioxins atmospheric pollutants in the household refuse incineration smoke is high in waste heat recovery efficiency and capable of effectively treating the dioxins atmospheric pollutants generated in the household refuse incineration process. All items in the atmospheric pollutants are lower than limiting values regulated in the sheet 4 of the GB18485-2014 household refuse incineration pollutant control standard. The emission of the dioxins atmospheric pollutants is not higher than 0.1 ngTEQ/m<3>.

The invention discloses a combined heating and cooling solar-assisted heat pump system. The system comprises a solar heat collection system and a heat pump system, wherein the solar heat collection system comprises a micro-channel flat plate heat pipe heat collector, a connecting pipeline, a water tank and a circulating water pump; the heat pump system comprises an evaporator, a reversing valve, a compressor, a condenser and a throttling device; the micro-channel flat plate heat pipe heat collector is connected with the water tank and is connected with the circulating water pump through the connecting pipeline; the circulating water pump is connected with the water tank; the evaporator is arranged in the water tank; one end of the evaporator is connected with the compressor through the reversing valve; the compressor is connected with the throttling device through the condenser; the throttling device is connected with the other end of the evaporator which is placed in the water tank. The micro-channel flat plate heat pipe heat collector can be laid on the outer surface of a normal building wall (or balcony) or used in place of the normal building outer wall (or balcony), so the building energy consumption can be greatly reduced and zero energy consumption (or close to zero energy consumption) can be realized, and the utilization rate of renewable energy sources (solar energy) is increased.

A heat-pipe wiped-film short-distance distiller is novel liquid-liquid separation equipment, which is composed of a heat pipe, a feed liquid distributor, a wiped-film device, an evaporating surface, a condensing surface, an electric heating element, a temperature control unit and the like. The heat-pipe wiped-film short-range distiller is characterized in that the outer surface of the heat generation segment at the upper part of the heat pipe is taken as the evaporating surface for heating feed liquid to be separated; and an automatic-control electrical heating system is provided so that a heating surface can freely set heating temperature according to the need and can heat the feed liquid to be separated without coking at a constant and uniform temperature. The feed liquid forms a uniform liquid film and is fully stirred by scraping and wiping through the wiped-film device, thus strengthening the heat and mass transfer process and realizing high effective separation of light components and heavy components. The heat-pipe wiped-film short-distance distiller is particularly suitable for separation of mixed liquid with high molecular weight, high boiling point, high viscosity and thermal sensitivity; and the distiller can be widely applied to petrochemical industry, biochemical industry, fine chemical industry, commodity chemicals, pharmaceutical industry, flavors and fragrances industry, pesticides industry, plastics industry and the like.

The invention relates to a cooling, temperature equalization and radiation device, and discloses a phase change heat pipe for a satellite payload and an instrument board. The phase change heat pipe comprises a rectangular metal aluminum profile. A heat pipe hole with an omega-shaped axial groove pipe core is formed in the central area of the rectangular metal aluminum profile. At least two axial phase change holes are distributed in each of the two sides of the heat pipe hole. After a phase change material is injected into the phase change holes, the phase change holes are sealed to form phase change material chambers. According to the phase change heat pipe, the problems of large size, great weight, difficulty in the temperature equalization of the satellite payload and the instrument board, and the like of a single heat pipe are solved, and the beneficial effects of high heat transfer capability, large phase change filling volume, low weight index, high isothermality, convenience for the machining of a heat pipe profile, and the like are achieved.

The invention relates to an integrated liquid cooling machine box based on two-phase heat transfer and a two-phase heat transfer method thereof. The integrated liquid cooling machine box comprises a machine box shell, a two-phase liquid cooling source and a plug-in cold guide plate, wherein flow channels which are communicated with each other are arranged in the top wall and the bottom wall of themachine box shell; the upper end and the lower end of the plug-in cold guide plate are fixedly connected with the top wall and the bottom wall of the machine box shell respectively, and are used forfixing electronic plug-in components; the two-phase liquid cooling source is fixedly connected with the machine box shell; and each flow channel has a flow channel inlet and a flow channel outlet which are communicated with the two-phase liquid cooling source through pipelines. The two-phase liquid cooling source is fixedly connected with the machine box shell and does not need to depend on an external liquid cooling source. The two-phase liquid cooling source is adopted, and a working medium is subjected to liquid state and gaseous state conversion in a pipeline system; the cooling working medium absorbs the heat of electronic equipment in the flow channels and is changed from the liquid state into the gaseous state, so that heat exchange efficiency is far higher than that of single-phasefluid heat exchange; and the cooling working medium phase change is performed in an isothermal process, so that the isothermal performance of the top wall and the bottom wall of the machine box shellis superior to that of the single-phase fluid heat exchange.

The invention discloses a heat fin, which comprises two side panels, a frame for connecting the two side panels, a capillary structural layer and a phase changing working medium, wherein the two side panels and the frame form a hollow thin-plate shell; the capillary structural layer is closely attached onto the inner wall of the shell; the phase changing working medium is sealed in the shell; a local part of the edge of each side panel or a local part of the frame is used as an evaporation area, and the rest part of each side panel or the rest part of the shell is used as a condensation area. Due to the adoption of the heat fin, the area of a steam conveying passage, the reflux width of the liquid working medium and the direct heat radiation area of the condensation area are increased, the distance from the center of the evaporation area to the edge of the evaporation area is shortened, the heat conduction limit is greatly improved, and a higher heat flow density is obtained.

The invention discloses a solar separating type heat pipe sea water desalting device which comprises a light-gathering groove, a separating type heat pipe, a low-temperature multiple-effect evaporation device, a heat exchanger, an original sea water pipeline and a sea water pump, wherein an evaporating pipe bundle positioned on the evaporating section of the separating type heat pipe is distributed on the focusing line of the light-gathering groove and forms a cavity structure, and a condensing pipe bundle positioned on the condensing section of the separating type heat pipe is distributed in a first effect device of the low-temperature multiple-effect evaporation device as a heating pipeline. According to the solar separating type heat pipe sea water desalting device, sunlight is reflected into the cavity of the evaporating section of the separating type heat pipe through the light-gathering groove, the sunlight is completely absorbed and enables a working medium inside the separating type heat pipe to vaporize, and working medium vapor rises to the condensing section and enters the condensing pipe bundle distributed in an evaporation chamber as the heating vapor source of the low-temperature multiple-effect evaporation device. The solar separating type heat pipe sea water desalting device disclosed by the invention optimizes the process of a solar sea water desalination process, has the characteristics of high solar heat-collecting efficiency, good heat-transfer property, high adaptability, high integral efficiency, easiness for operation, easiness for control, suitability for low-cost module production and the like and can be widely applied to the field of solar sea water desalination.

The invention relates to a treatment device for dioxins air pollutants in household garbage incineration flue gas, and belongs to methods for removing organohalogen compounds in flue gas. The treatment device is characterized by being formed by a primary intensified combustion furnace (1), a secondary intensified combustion furnace (2), a silicon nitride porous ceramic filter (3), a countercurrent flow heat exchange waste heat boiler (4), a combined type heat pipe heat exchanger (5), a bag dust collector (6), an acid gas removal system (7), an activated carbon adsorption tower (8) and an induced draft fan (9), all of which are sequentially connected. The treatment device for the dioxins air pollutants in the household garbage incineration flue gas is high in waste heat recovery efficiency and can effectively govern the dioxins air pollutants generated in the household garbage incineration process. All items of the air pollutants are lower than limiting values specified in table 4 of the Standard for Pollution Control on the Municipal Solid Waste Incineration of GB18485-2014. The quantity of the discharged dioxins air pollutants is smaller than or equal to 0.1 ngTEQ/m<3>.

The invention relates to the technical field of spacecraft thermal control measurement, in particular to an on-orbit thermal control coating measuring device, and discloses an on-orbit thermal control coating radiation parameter measuring device which comprises a cup body (1), a cup body heating sheet (2), a cup body thermistor (3), a cup body heat-proof component (4), a sensitive sheet (5), a sensitive sheet heating sheet (6), a sensitive sheet thermistor (7), a sensitive sheet heat-proof component (8), a sensitive sheet grounding component (9), a countersunk head polyimide screw (10), a polyimide heat-proof pad (11), an electric connector countersunk head screw (12), an electric connector (13), and an electric connector polyimide heat-proof pad (14). The on-orbit thermal control coating radiation parameter measuring device has the advantages that the structure is flat, so that the cup body is excellent in isothermality; the cup body and the sensitive sheet are simply connected with each other, so as to simplify the heat transmission route and effectively control heat leakage; the size of the sensitive sheet is enlarged, so that relative error caused by heat leakage and measurement is reduced, and the measuring accuracy is improved.

The invention provides a silicon controlled thyristor micro slot group composite phase change integrated cooling heat dissipation method and device, relating to the heat dissipation technology. The method includes that micro dimension composite phase change heat transfer characteristic of thin liquid film evaporation and thick liquid film boiling of liquid in open composite phase change micro slot group in a micro slot group composite phase change heat remover is utilized to remove heat. The device is provided with a micro slot group composite phase change heat remover at the two sides of single silicon controlled thyristor respectively, the silicon controlled thyristor removes heat in multiple groups, each group is provided with a wall type condenser heat dissipation structure, heat emitted by each silicon controlled thyristor can be taken out respectively and is carried into the wall type condenser by steam, condensation heat dissipation is carried out in condensation micro slot thereof, heat is taken away by external cooling water or air, condensed liquid reflows to the micro slot group composite phase change heat remover, and heat dissipation of silicon controlled thyristor with high power, large quantity and strong electric field is realized. The invention is safe and reliable, has small area, high heat-flow density, strong temperature control capability, high efficiency and low energy consumption and can be applicable to integrated cooling heat dissipation of a plurality of high power heat-emitting silicon controlled thyristors.

The invention relates to a treatment method of dioxin air pollutants in scrap copper smelting smoke and belongs to waste heat utilization and waste gas treatment methods. The treatment method of the dioxin air pollutants in the scrap copper smelting smoke is characterized in that a treatment device is composed of a primary intensified combustion furnace (1), a secondary intensified combustion furnace (2), a silicon nitride porous ceramic filter (3), a counterflow heat exchange waste heat boiler (4), a combined type heat pipe exchanger (5), a bag dust collector (6), a desulfurization system (7), an active carbon adsorption tower (8) and an induced draft fan (9), and the primary intensified combustion furnace (1), the secondary intensified combustion furnace (2), the silicon nitride porous ceramic filter (3), the counterflow heat exchange waste heat boiler (4), the combined type heat pipe exchanger (5), the bag dust collector (6), the desulfurization system (7), the active carbon adsorption tower (8) and the induced draft fan (9) are connected in sequence; by the adoption of the treatment method of the dioxin air pollutants in the scrap copper smelting smoke, the waste heat recovery efficiency is high, and the (dioxins) air pollutants generated in the scrap copper smelting process can be effectively treated. In treated exhaust tail gas, the item indexes of all air pollutants are lower than the values specified in table 3 of GB 31574-2015. The emission of the dioxin air pollutants is smaller than or equal to 0.1 ngTEQ/m<3>. The recovery rate of smoke waste heat is equal to or higher than 95%.

The invention discloses a heat-pipe-based heat exchange low-nitrogen type gas burner. The burner comprises an air-fuel mixing section and a combustion head which are sequentially connected in a gas flow direction, wherein a gas nozzle is arranged in the air-fuel mixing section, the combustion head comprises a plurality of heat pipes arranged in a pipe bundle mode, a heat pipe evaporation heat absorption section in the pipe bundle is arranged to form a combustion gap as the combustion head, and a heat pipe condensation heat release section is provided with a condensing device and is arranged outside a furnace. According to the burner, the combustion head formed through intermittent arrangement of the plurality of heat pipes is arranged between the furnace and the air-fuel mixing section, two phase-change heat exchange processes of evaporation heat absorption and condensation heat release in a heat pipe heat transfer process have the advantages of good heat conductivity, isothermal property and the like, so that pipe inner working media in the heat pipes are evaporated into steam when the heat pipe evaporation heat absorption section absorbs heat of a combustion zone of the furnace,the condensation device of air cooling, water cooling and the like is adopted for condensation and heat releasing, liquid after the steam in the pipes is subjected to heat releasing and condensation flows back the heat absorption section under the action of gravity, and the damage caused to a boiler hydrodynamic cycle of a water-cooled combustor water cycle is effectively solved.

The invention discloses a controllable heat pipe-based 4K thermal coupling regenerative low-temperature refrigerator and a refrigerating method thereof. The low-temperature refrigerator comprises a compressor, multiple stages of regenerative low-temperature refrigerators and heat bridges, wherein the heat bridges are used for connecting the multiple stages of regenerative low-temperature refrigerators; controllable heat pipes are adopted to replace conventional material copper as the heat bridges. The controllable heat pipes transfer heat by means of the gas and liquid phase change of a working medium fluid; the heat resistance is quite low; the heat conductivity coefficients of the controllable heat pipes under unit mass are several orders of magnitudes more than the heat conductivity coefficient of the copper; the controllable heat pipes are filled with inert gas; the heat resistances of condensation sections of the controllable heat pipes decrease along with the increment of the density of a heat flow; therefore, the working temperatures of the heat pipes only change slightly; compared with the copper, the controllable heat pipes have the advantages of light weight, small size and the like, and are particularly applicable to the fields of spaces, military affairs and the like.

The invention discloses a self-unloading floating head isothermal reaction methanol synthesis reactor which comprises a high-pressure upper channel box, a low-pressure casing and a casing lower end enclosure which are welded as a whole. A gas inlet pipe penetrates through the high-pressure upper channel box to enter into the high-pressure upper channel box. The end of the gas inlet pipe is equipped with a gas distributer. An upper tube plate and a lower tube plate are respectively installed at the upper and lower sides in the low-pressure casing. A plurality of reaction tubes are installed between the upper tube plate and the lower tube plate. An internal high-pressure end enclosure is installed on the lower tube plate. A high-temperature gas eduction tube is welded at the bottom of the internal high-pressure end enclosure and extends outside the casing lower end enclosure. The upper tube plate is connected with the low-pressure casing fixedly. The lower tube plate is matched with the low-pressure casing by clearance that is equivalent to assemble the lower tube plate and the internal high-pressure enc enclosure as a floating head, and the floating head can move freely towards the low-pressure casing. The reaction tubes and the casing are not connected fixedly, and heat expansion is eliminated, so that the potential safety hazard that the welding line of the tube plates and the casing is ripped does not exist.

The invention discloses a heat pipe falling film generator for low grade heat drive absorption refrigeration. The heat pipe falling film generator for low grade heat drive absorption refrigeration comprises a generator shell. A solution outlet, a solution inlet, a hot water inlet, a hot water outlet and a steam outlet are formed in the shell; step disk generation pipes are arranged in the shell, and comprise steam generation disks, heat pipes and water pipes; the water pipes communicate with the hot water inlet and the hot water outlet; the heat pipes are arranged on the water pipes in a penetrating way; the steam generation disks are fixedly connected with the heat pipes; a gap in which fallings films can be produced is remained between each steam generation disk and each water pipe. According to the heat pipe falling film generator for low grade heat drive absorption refrigeration provided by the invention, the performance of low grade heat applied in the solution generation process can be improved, the high efficient utilization of a low temperature heat source is realized, and the thermal performance of the absorption refrigeration cycle is further improved.