79 results about "Heat exchanger" patented technology

A noise-reducing attachment apparatus for a heat exchanger door is provided for facilitating attenuation of noise emanating from an electronics rack. The apparatus includes a frame structure configured to coupled to the heat exchanger door. The door includes in air opening and air-to-liquid heat exchanger, and air passing through the air opening also passes across the heat exchanger. The air opening facilitates passage of external air through the electronics rack. The frame structure defines in part an airflow channel through the apparatus, wherein air passing through the air opening also passes through the airflow channel when the apparatus is operatively coupled to the door. An acoustically absorptive material, which is coupled to the frame structure and at least partially defines the airflow opening through the apparatus, is selected and positioned to attenuate noise emanating from the electronics rack when the apparatus is coupled to the heat exchanger door.

The present invention provides a method for producing an electronic assembly and an electronic assembly with an integrated cooling system for dissipating heat. The electronic assembly comprises a base; and at least one electrical component attached to the base. The base defines an integrated cooling system having a fluid channel spanning within the base and at least one heat exchanger in heat communication with the fluid channel. The integrated cooling system may further include a pump attached to the base for directing the flow of the fluid within the fluid channel, and a port in fluid communication with the fluid channel for receiving fluid from an external source.

Resins 5, 6 are interposed as insulating layers between heat radiation side and heat absorption side heat exchange bodies 2, 3 and heat radiation side and heat absorption side electrodes 41, 42 of a thermoelectric conversion element module 4. The resin 5 is fusion bonded to the heat radiation side heat exchange body 2, and the resin 6 is fusion bonded to the heat radiation side heat exchange body 3. The material of the resins 5, 6 is, for example, a thermosetting plastic. The thermosetting plastic becomes soft when heated and then cures. At the time of fusion bonding of the resins 5, 6 to the heat exchange bodies 2, 3, the heat exchange bodies 2, 3 and the resins 5, 6 are heated and pressed. Then, the resins 5, 6 become soft and enter the cavities and flaws formed in the surfaces of the heat exchange bodies 2, 3. The resins 5, 6 having entered the cavities and flaws cure to fill the cavities in the surfaces of the heat exchange bodies 2, 3.

The invention discloses a method and a system for modularized combined treatment of high-difficulty organic waste water, and the treatment system comprises: a primary settling tank, an adjusting tank, a reinforced flocculation tank, a precipitation separation tank, a secondary flocculation settling tank, a buffering water tank, a pH adjusting tank, a primary honeycomb microelectrolytic tank, a flocculation settling tank, a secondary honeycomb microelectrolytic tank, an intermediate tank, a heat exchanger, a microwave catalytic oxidation device, a secondary catalytic oxidation pot, and a re-oxidation filter pipe. The treatment method adopts a combined technical scheme of a multistage honeycomb iron carbon microelectrolytic module, a reinforced flocculation module and a microwave electro-catalytic oxidation module; the invention has the characteristics of high applicability, good treatment effect, and unit modularization; the modules can be combined and cascaded freely according to the waste water condition, and thus different waste water treatment effect requirements and waste water quantity requirements are adapted; the operation cost is low; the sludge amount is low; no secondary pollution is caused; and the method is an environment-friendly high-difficulty waste water treatment method.

The invention relates to a high-thermal-conductivity high-electrical-conductivity carbon nano-grade composite material. The material is characterized in that a polymer with a mass percentage of 3-30% is stuck and coated on the surface of carbon-based micro-nano powder with a mass percentage of 70-97%, and press molding is carried out, such that the material is obtained. According to the composite material, a layer of polymer is coated on the surface of high-thermal-conductivity high-electrical-conductivity carbon-based micro-nano powder with a water suspension method, such that the high-thermal-conductivity high-electrical-conductivity carbon nano-grade composite material powder is prepared. Preparation efficiency is high. When the method provided by the invention is used in preparing the high-thermal-conductivity high-electrical-conductivity carbon nano-grade composite material, the method is simple and feasible. The content of the carbon-based micro-nano powder filling material is high. The method can satisfy actual requirements of large-batch productions. The prepared high-thermal-conductivity carbon nano-grade material has good electrical conductivity and thermal conductivity, and can be applied in 3D printing materials, chemical equipment heat exchangers, laptops, high-power LED lightings, flat panel displays, digital cameras, mobile communication products, and fields of related miniaturized and high speed electronic components.

The invention discloses a step-by-step heating system for high-viscosity slurry. The system comprises a preheating hydrolysis tank, a material pump, a high-temperature and high-pressure heat exchanger, a reaction processing unit, a heat source, a heat taking and utilizing unit and a subsequent processing unit. The system has the advantages that aiming at the high-viscosity slurry, through rapid primary heating and thermal hydrolysis viscosity reduction treatment of strong mechanical disturbance in the preheating hydrolysis tank and a step-by-step heating strategy for secondary preheating in the high-temperature and high-pressure heat exchanger, the high-efficiency heat exchange and temperature rise and low-resistance conveying of sludge to be preheated to the supercritical temperature areeffectively realized, and the high-efficiency and low-cost implementation of a supercritical water harmless treatment and resource utilization process for oil sludge, oil sand, high-viscosity organicmatter and other various slurry including the sludge is effectively promoted.

The invention relates to a device for testing a contamination characteristic of a segmental temperature control coal burning boiler. The device comprises a hearth and a flue, wherein the lower end of the hearth is connected with a combustor for spraying coal powder and an opposed air pipeline; the combustor is connected with a primary air inlet pipeline and a secondary air inlet pipeline respectively; the primary air inlet pipeline and the secondary air inlet pipeline as well as the opposed air pipeline are communicated with an air blower respectively; a heat preservation layer is arranged on the outer side of the hearth; a plurality of electric heating elements are arranged on the wall of the hearth in a segmental manner; segmental cooling clamping sleeves are arranged outside the flue; the tail of the flue is connected with a heat exchanger; and a plurality of test holes are formed in the hearth and the flue. The device can simulate various temperature situations of the hearth of the actual boiler, so that the stability and the flexibility of a test system are improved; by adopting segmental electric heating, the hearth can be stabilized at test required temperature; by adopting the segmental cooling clamping sleeves, the smoke temperature in the flue can be precisely controlled in a required range, and environments at different positions of the flue in the actual boiler can be simulated; and the contamination characteristic of the coal powder in different smoke temperature regions is convenient to research.

An internal combustion engine is provided in which the temperature of an exhaust gas gradually decreases from its upstream side to its downstream side, and the temperature of a working medium of a heat exchanger, which flows in the opposite direction to the exhaust gas, gradually increases from its upstream side to its downstream side. The temperature difference between the exhaust gas temperature and the working medium temperature is the smallest at the interface between a liquid phase region and a two-phase region of the working medium, and since a catalyst device is incorporated at the upstream side, relative to the flow of exhaust gas, of the vicinity of the position where the temperature difference is the smallest, it is therefore possible for the heat exchanger to utilize the heat generated by the catalyst device effectively. Since the catalyst device is disposed in the two-phase region of the working medium, in which the temperature is constant, and this constant temperature is a temperature at which the catalyst is active, the catalyst can exhibit a stable exhaust gas purification performance.

The invention provides a summer water temperature adjustment device for a swimming pool. The water temperature adjustment device comprises a platy heat exchanger, a temperature control electromagnetic valve and a temperature transmitter, wherein the platy heat exchanger is provided with a water inlet and a water outlet; the water inlet can be connected to an air conditioning chilled water pipe; the water outlet can be connected to an air conditioning system water return pipe; the temperature control electromagnetic valve is arranged at the water inlet end of the platy heat exchanger; and the temperature transmitter is arranged in the swimming pool, and is used for monitoring water temperature and transmitting a control signal to the temperature control electromagnetic valve to start or stop the temperature control electromagnetic valve. The water temperature adjustment device can be used for reducing, adjusting and controlling the temperature of water in the swimming pool in summer, and is simple and low in cost; furthermore, the temperature control electromagnetic valve is only started or stopped through the water temperature transmitter instead of being controlled by a worker.

A fuel cooled cooling air heat exchanger includes a fuel injector and an airflow body. The fuel injector has a fuel flow passage formed therein that includes a fuel inlet port and a fuel outlet port. The airflow body is coupled to and surrounds at least a portion of the fuel injector. The airflow body has an inner surface that is spaced apart from the fuel injector to define an airflow passage between the airflow body and the fuel injector, and the airflow passage includes an air inlet port and an air outlet port.

The invention relates to a chilled water system for a central air-conditioning system of a high-rise building and a control method thereof. The chilled water for the central air-conditioning system of the high-rise building, disclosed by the invention, comprises an air conditioner mainframe (1), a low-region chilled water circulating system and a high-region chilled water circulating system, wherein the low-region chilled water circulating system is of a closed type chilled water circulating system, the high-region chilled water circulating system is of an open type chilled water circulating system, the high-region chilled water circulating system is connected with the low-region chilled water circulating system through a high-region water supply tank and a high-region water return tank, and low-temperature chilled water of the air conditioner mainframe (1) is directly conveyed to the tail ends of air conditioners through the low-region chilled water circulating system and the high-region chilled water circulating system without a heat exchanger. According to the chilled water system disclosed by the invention, the chilled water of the air conditioner mainframe can be directly conveyed to all the tail ends without the heat exchanger in a way of combining the closed type system with the open type system, and the energy consumption of the air conditioner mainframe can be saved on the premise of meeting the requirements on temperature and humidity of the tail ends, so that the chilled water system is in line with the environment-friendly requirements of saving energy and reducing consumption, the design is reliable and the energy-saving effect is significant.

The invention discloses an integrated Dewar applied to a linear pulse tube refrigerator and a method for manufacturing the integrated Dewar. The integrated Dewar comprises a regenerator section, a cold head section and a pulse tube section; the three sections are connected with one another by bolts, the regenerator section is connected with a regenerator hot-end heat exchanger, and the pulse tube section is laterally sealed by a chuck and is connected with a pulse tube section hot-end heat exchanger; a working face is pressed on a cold face of a cold head by Z-shaped supports of embedding groove structures of annular platforms on end surfaces of the regenerator section and the pulse tube section; and the regenerator section is provided with a lead pin, and a middle section is provided with a window and a bleeder valve seat. The integrated Dewar and the method have the advantages that the integrated Dewar is of a triple-section structure and can be coupled with the linear pulse tube refrigerator advantageously, and most parts of the working face directly cling to the cold head, so that cold transmission loss is reduced; the integrated Dewar is applied to the linear pulse tube refrigerator, the linear pulse tube refrigerator is coupled with a cooled device by the aid of the integrated Dewar, and accordingly the integrated Dewar has an extremely positive significance in the aspect of improving the practicality of the linear pulse tube refrigerator.

The invention discloses a high-temperature gas-liquid dyeing machine, comprising a cylinder block, a main pump and a heat exchanger. Fabric in the cylinder block is cycled through a combination nozzle, a lift roller, an air nozzle, a fabric arrangement mechanism and a fabric storage tank; the combination nozzle includes a water nozzle and an atomizing nozzle; the water nozzle and the atomizing nozzle are communicated in a fabric moving direction; the main pump is communicated with the heat exchanger through a cylinder bottom main pipe; the heat exchanger is communicated with the water nozzle and the atomizing nozzle through a cylinder top main pipe. The high-temperature gas-liquid dyeing machine is suitable for crease and tension sensitive fabrics and provides good expansion for fabrics; flocs are rarely left in the machine herein and are easier to clean; a pump front automatic hair remover helps decrease manual operation; the requirement on dyeing process is low; water, gas and electricity are saved; dyeing quality and dyeing efficiency are high; the manufacture process is simple, and the cost is low.

The invention relates to deep layer seawater cooling sea breeze air-conditioning pipeline system. It belongs to refrigerating engineering field. It includes sea surface working platform, air sterilization, clearing machine unit, compressor unit, master valve, input pipeline, sector valve, heat exchanger sector valve, output pipeline, exit master valve, secondary booster pump system, city transforming pipeline air treatment device, air compressor, city pipeline distribution system, allocate node device, and user using unit. Its principle are cleaning air at sea surface; is pressurizing the sterilized air by air compressor; entering underwater heat exchanger to exchange heat; outputting; the output temperature is 10 centigrade degree; entering city pipeline distribution system; entering user using unit by allocate node device. The invention can fully utilize sea water and cleaning sea wind to realize no pollution and save resources, offer cleaning low temperature sea wind for land mass, and improve working and living environment. Thus it has obvious social and economic benefit.

The invention discloses a thermal-circulation drying device as well as a fabric cloth drying machine and a setting machine using the same, wherein the thermal-circulation drying device has the characteristics of high drying efficiency and good energy-saving effect and greatly increases product quality. The thermal-circulation drying device comprises eight drying ovens which are respectively provided with a heating device; each drying oven is provided with an air inlet and an air outlet; the first and eighth drying ovens, the second and seventh drying ovens, the third and sixth drying ovens and the fourth and fifth drying ovens respectively form an independent thermal-circulation channel; a wind wheel and a heat exchanger are sequentially arranged above the air outlet in each drying oven, a wind nozzle which is communicated with the air inlet is arranged in each drying oven, and the thermal-circulation drying device is suitable for all fabric cloth drying machines and setting machines.The thermal-circulation drying device is used for guiding front higher-humidity hot air to the rear drying ovens so as to play a protection role for overdried fabrics in the rear drying ovens, and isused for guiding rear lower-humidity hot air to the front drying ovens so as to increase the drying efficiency of the fabrics in the front drying ovens, thereby achieving energy-saving effect and ensuring better drying evenness at the same time.

The present invention relates to an aluminum alloy brazing sheet (1) for a heat exchanger improved in a life including a fatigue in a plastic area and an aluminum alloy heat exchanger tube (11) using the brazing sheet, which is composed of: a core material (2) of an Al—Mn series alloy; a skin material (3) of any one of an Al—Zn series alloy, an Al—Zn—Mg series alloy, an Al—Si—Mn—Zn series alloy, and an Al—Si—Mn—Mg—Zn series alloy clad on one side of the core material; and a brazing material (4) of an Al—Si series alloy clad on the other side of the core material, and is adapted so that an X-ray diffraction intensity ratio of the aluminum alloy brazing sheet satisfies a relational expression of I200/(I111+I200+I220+I311)≧0.4.

It is proposed a two-phase heat exchanger device for a power-electronic module arrangement having a semiconductor module. The two-phase heat exchanger device includes a base plate configured for being in contact with a first semiconductor module at a first side of the base plate; and at least one tube element for a first cooling medium including a first portion having at least one evaporator channel and a second portion having at least one condenser channel. The base plate has a groove containing the tube element, wherein the groove is dimensioned for enabling thermal contact between the base plate and the first portion of the tube element and dimensioned to form a gap between the base plate and the second portion of the tube element for thermal separation of the base plate and the second portion of the tube element.

The invention relates to a system of power test, and the objective is to provide an air-fuel mixed power test system. In the test system, an eddy current dynamometer is connected with a pneumatic engine, a hydraulic dynamometer is connected with an internal combustion engine; and the test system also includes a gas tank for storing high pressure gas, the gas tank is connected with a heat exchanger, a stable pressure box and a pneumatic engine in order via pipelines; high-temperature discharging pipelines of the internal combustion engine is connected with the heat exchanger, exchanging heat with high pressure gas by the heat exchanger and communicationg with the atmosphere; a pressure sensor is provided on the stable pressure box, pipelines of the gas tank outlet is provided with an air flow meter, high pressure gas pipelines of both sides of the heat exchanger is provided with a thermocouple respectively; and all the pressure sensor, the air flow meter and the thermocouple are connected with a computer. The invention provides feasible test system for verifying validity of the air-fuel mixed power test system theoretical derivation, being able to provide reliable experimental parameters for implementation of more advanced air-fuel mixed power system in the future.

A liquid cold and hot exchanger for an air-conditioning device comprises at least one line of flat pipes and two main boards arranged at the two ends of the flat pipes. A fin is arranged between every two adjacent flat pipes, and the flat pipes are arranged on the inner end surfaces of the main boards in an inserted mode; main flow passes and auxiliary flow passes are distributed in the outer side surfaces of the main boards, wherein the main flow passes and the auxiliary flow passes are formed in a crossed mode and communicate with each other; the main flow passes and the auxiliary flow passes divide the outer side surfaces of the main boards into a plurality of small panels, the main boards are fixed in a first shell provided with an installation cavity, and the small panels of the outer side surfaces of the main boards are attached to the bottom wall of the installation cavity of the first shell in a brazing mode; a first fluid interface is formed in the outer wall of the first shell, and the first fluid interface, the auxiliary flow passes, flow collecting channels and the plat pipes form a first fluid space; and a second shell is arranged on a core body in a surrounding mode in the circumferential direction, a second fluid interface is formed in the outer wall of the second shell, and the second fluid interface and the fins form a second fluid space. According to the liquid cold and hot exchanger for the air-conditioning device, the small panels are adopted to be attached to the heat exchanger shells in a welding mode, and therefore the anti-pressure capability of the heat exchanger is effectively enhanced.

The invention relates to an efficient and energy-saving BOG (boil-off gas) recycling device which comprises a nitrogen gas storage tank, a first control valve, a nitrogen gas compressor, a nitrogen gas water cooler, a water tank, a pump, a second control valve, an expander, a third control valve, a heat exchanger I, a fourth control valve, a fifth control valve, a sixth control valve, a heat exchanger II, a seventh control valve, an eighth control valve, an LNG (liquefied natural gas) storage bottle, a weigher and a ninth control valve. According to the efficient and energy-saving BOG recycling device, a common oil-free nitrogen gas compressor and a turbo expander are adopted, low-temperature nitrogen is adopted as a heat transfer medium to exchange heat with BOG and liquefy the BOG; and dependence, on an aboard BOG compressor, of a current BOG recycling device is avoided, and therefore, the efficient and energy-saving BOG recycling device has the advantages of being safe, energy-saving, efficient and environmentally-friendly.

The invention relates to a tube-shell type heat exchanger which used the U-shaped cross-helical tube, involving an engine exhaust recycle heat exchanger. For improving the engine exhaust recycle system, accelerating the exhaust cooling and increasing the heat exchange efficiency. The heat exchanger includes the heat exchange tube, shell and the tube board, the heat exchange tube is the U shaped siphon, whose two ends fixed on the same tube board, the heat exchange tube is the stainless steel tube which has the entad raised cross-helical groove on the surface, the cross is the 'X'-shaped, the section shape of the stainless steel pipe is a special flat shape, and the height and width of the section shape in the flat shape heat exchange tube are unlikeness. Because of the application of the cross-helical heat exchange tube, the tube inside and outside produce the turbulent flow, not easy to dirty and increase the heat exchange efficiency. The heat exchanger has a compact structure, is particularly suitable for the exhaust gas recycle coolers of a vehicle engine, reduce the discharge of the nitrogen oxygen compound and enhance the exhaust discharge performance indicators, at the same time, the invention can also be used as the mid cooler of a turbocharger system to improve the engine performance.

The invention discloses a water heater water tank and an air energy water heater. The water heater water tank comprises a water tank inner container. At least one side of the water tank inner container is wrapped by a heat exchanger. The heat exchanger comprises a first flow collection pipe, a second flow collection pipe and multiple heat exchange pipes. The first flow collection pipe is located on the upper portion of the side face of the water tank inner container, and the second flow collection pipe is located on the lower portion of the side face of the water tank inner container. The heatexchange pipes are attached to the outer wall of the water tank inner container, and a refrigerant in each heat exchange pipe flows towards the second flow collection pipe from the first flow collection pipe. The water heater water tank has the advantage of being high in heat exchange efficiency.

The invention discloses a heat exchanger for a polypropylene chemical process. The heat exchanger comprises a barrel-shaped shell, wherein both ends of the shell are respectively provided with a pipe plate, a first medium inlet and a first medium outlet are formed in the shell, the first medium inlet and the first medium outlet are respectively positioned at both ends of the shell, and a first medium flow channel is formed by the first medium inlet, a space in the shell and the first medium outlet; a central pipe is fixedly arranged between the two pipe plates in the shell, at least one medium inlet is formed in one pipe plate, at least one medium outlet corresponding to the medium inlet is formed in the other pipe plate, the medium inlet and the medium outlet which correspond to each other are communicated through a spiral pipe, and the spiral pipe is wound on the central pipe. The heat exchange among many kinds of media can be simultaneously realized by the heat exchanger, so as to be adapted to the polypropylene chemical process, so that the size is reduced, the heat-exchanging area is increased, and the cost is lowered.