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193results about "Boiler absorbers" patented technology
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Adsorption module and method of manufacturing the same
InactiveUS20080078532A1Reduce the number of stepsReduce in quantityBoiler absorbersStationary tubular conduit assembliesFiberMetallic materials
An adsorption module has heat medium pipes through which a fluid flows, a porous heat transferring member, and adsorbent. The porous heat transferring member is a sintered body formed by sintering a metallic material that is in a form of one of powders, particles and fibers, and has pores for allowing an adsorbed medium to pass through. The porous heat transferring member is disposed on peripheries of the heat medium pipes and bonded to outer surfaces of the heat medium pipes by sintering. The adsorbent is disposed in the pores. The porous heat transferring member further has an adsorbed medium passage for allowing the adsorbed medium to pass through. The adsorbed medium passage is located between the heat medium pipes, and extends straight and parallel to axes of the heat medium pipes.
Owner:DENSO CORP
Energy efficient sorption processes and systems
InactiveUS20050262720A1Reduce the temperatureReduce power consumptionSolar heating energyInternal combustion piston enginesSorbentEngineering
The present invention relates to novel energy efficient sorption processes and systems for cooling, dehumidifying and heating using multistage liquid desiccant regenerators, or hybrid cooling systems or adsorption cooling systems involving appropriate combinations of rotating contacting devises, adsorption modules with heat transfer passages in thermal contact with the adsorption module wall and switchable heat pipes. The sorption processes of this invention help in flexible designing of compact cooling, dehumidifing, heating systems easy operability. The adsorption module of this invention leads to lower cycle times as low as 5 minutes; makes it possible to achieve high system Coefficient of Performance (COP) up to 0.9 due to reduced thermal mass; offers high specific cooling power in the range of 50 to 750 W / kg of AC; is easy to manufacture and operates at low costs. The refrigeration cum heating system of this invention with heat pipe in thermal contact with the adsorption modules increase the heat transfer rates without increasing the thermal mass leading to increase of COP and the single or multistage pressure equalisation increases the internal regeneration of heat thereby increasing the COP, reducing the cycle time resulting in increased specific cooling power (SCP), reducing the required quantity of adsorbent / refrigerant making the module compact and cost effective.
Owner:INDIAN INST OF TECH
Temp and moisture independent control type air-conditioning system using solution as auxiliary working substance
InactiveCN1862121AAchieve bactericidal effectAchieve purification effectBoiler absorbersAir conditioning systemsEngineeringControl valves
The inventive air-conditioning system comprises refrigeration and solution cycle systems. The refrigeration cycle system has a compressor, an evaporator, an expansion valve and a condenser. The solution cycle system has a dehumidifier, a regenerating unit, a solution reservoir, a solution pump, a mixed solution valve and a control valve. Because of adding a solution cycle system, the invention can realize the accuracy independent control of temperature and humidity.
Owner:TSINGHUA UNIV +1
Adsorption type cooling apparatus, method of controlling cold output of same, and fin type adsorbent heat exchanger for use in same
InactiveUS6041617AQuick assemblyPrevent movementBoiler absorbersEnergy efficient heating/coolingEvaporationEngineering
According to the invention, the temperature and flow rate of cooling water for removing the heat of absorption are controlled artificially according to the cold output of load water by utilizing heated cooling water after the removal of the heat of absorption or heat source water, etc. According to the invention, a coolant tank and a load heat exchanger unit are provided as separate units. A load carrier is provided for cooling the load while partly evaporating the coolant through heat exchange between liquid coolant supplied from the coolant supplied from the coolant tank through a pump and the load. Mixture fluid of liquid coolant and vapor coolant after the heat exchange in the load cooler are returned to the coolant tank for separation of gas and liquid. Because the coolant tank and the load cooler are provided separately, the heat exchange with the load is performed by utilizing the latent heat of evaporation of coolant independently of possible temperature variations in the coolant tank. It is thus possible to obtain load heat at a constant temperature.
Owner:MAYEKAWA MFG CO LTD
Heat exchange module of a sorptive type and a method for the manufacture thereof
ActiveUS7704305B2Increased durabilityImprove heat exchange efficiencyBoiler absorbersDomestic cooling apparatusMolecular sieveActivated carbon
Owner:POWERWAVE TECH SWEDEN AB +1
Heat Exchange Module of a Sorptive Type and a Method for the Manufacture Thereof
ActiveUS20080093059A1Increased durabilityImprove heat exchange efficiencyBoiler absorbersDomestic cooling apparatusCross-linkFungal microorganisms
As conventional heat exchange modules, adsorptive agents of an inorganic type such as silica gel, zeolite, active alumina, active carbon and molecular sieve have been used. While these adsorptive agents have characteristics of high moisture absorptive ability and easy handling, they have problems of durability, regenerating temperature and generation of bacteria or fungi. An object of the present invention is to solve these problems which are noted in the inorganic adsorptive agents and to provide a heat exchanger module of a energy conservation type having a high heat exchange efficiency and a method for the manufacture thereof. The present invention is a heat exchange module of a sorptive type, characterized in that, a moisture absorptive layer in which a sorptive agent of an organic polymer type comprising organic polymer having hydrophilic polar group and cross-linking structure in a molecule is an essential component, saturated moisture absorbing rates at 20° C. and 65% RH and 90% RH are not less than 20% by weight and not less than 40% by weight, respectively and the difference in the saturated moisture absorbing rates under such a condition is not less than 20% by weight is formed on a metal surface having excellent heat conductivity.
Owner:POWERWAVE TECH SWEDEN AB +1
Attapulgite lay base composite adsorbent for ammonia adsorption refrigeration and its preparing and use
InactiveCN1899683AImprove performanceImprove adsorption capacityBoiler absorbersOther chemical processesMetal chlorideAdhesive
The present invention relates to adsorbent for ammonia refrigeration, is especially one kind of attapulgite clay base composite adsorbent for ammonia refrigeration and its preparation and application, and belongs to the field of new chemical functional material preparing technology. The composite adsorbent for ammonia refrigeration is prepared through mixing alkali earth chloride, attapulgite clay, pore expanding agent and adhesive in certain proportion, forming in a pelletizing machine, stoving and roasting. The composite adsorbent has the advantages of stable performance, high adsorption stability, etc.
Owner:NANJING UNIV OF TECH
Adsorption heat exchanger
An adsorption heat exchanger may comprise a stack of alternating adsorption layers and heat transfer layers. Separator plates may separate the adsorption layers from the heat transfer layers. The adsorption layer may include a first corrugated sheet positioned between and brazed to the adsorption zone facing side of two separator sheets. The first corrugated sheet and the exposed portions of the adsorption zone facing side of the separator sheets may be coated with an adsorptive material. The heat transfer layer may include a second corrugated sheet positioned between and brazed to the heat transfer zone facing side of two separator sheets. The second corrugated sheet may be oriented about 90° to the first corrugated sheet.
Owner:HONEYWELL INT INC
Adsorption Heat Pump, Adsorption Refrigerator and Adsorber Elements Therefor
InactiveUS20090217691A1Efficiently dissipatedProne to feverDomestic cooling apparatusBoiler absorbersHeat conductingEngineering
The invention relates to an adsorber element for a heat exchanger and an adsorption heat pump or adsorption refrigerator that contains at least one such adsorber element. The adsorber element includes a heat-conducting solid body and a sorption material for a vaporous adsorbate arranged on the surface of this solid body. A fluid-tight foil composite is arranged on the outer surface of the open-pore solid body, at least in the areas in which a contact with a heat transfer fluid is provided, wherein this adsorber element is embodied such that the heat exchange between the open-pore solid body and the heat transfer fluid can take place via the fluid-tight foil composite.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
Adsorber generator for use in sorption heat pump processes
This invention provides a compact heat exchanger that has an effective geometry for heat transfer operations regardless of the heat conductivity of the material chosen for the fin materials. It has further been found that the use of adsorbent coated anodized aluminum for fin materials provides for a very efficient heat exchanger.
Owner:UOP LLC
Refrigeration system for electronic components having environmental isolation
InactiveUS6138469AConveniently removedAvoid corrosionBoiler absorbersDomestic cooling apparatusEngineeringElectronic component
To cool heat-emitting electronic components, a compact, non-moving-parts compressor, an evaporator in juxtaposition to the electronic components and a condenser are mounted as a unit, preferably within a vacuum can. A heat exchanger is mounted external to the can but in proximity to the condenser. The foregoing comprise a unit which may be detachably connected to a host pump and heat exchanger. The unit may be removed from the system of which it is a part for upgrade and maintenance. All its components are thermally isolated from the ambient atmosphere to prevent water vapor condensation corrosion.
Owner:ORACLE INT CORP
Apparatus and method for vapor driven absorption heat pumps and absorption heat transformer with applications
ActiveCN104769371AReduce energy consumptionLow costHeat pumpsBoiler absorbersThermodynamicsEngineering
Owner:TAHOE TECH
Solid sorption heat pump
ActiveUS7251955B2Improve insulation performanceImprove insulation effectHeat pumpsBoiler absorbersSorbentEngineering
A solid sorption heat pump is provided that includes an adsorber / desorber unit including a heat exchanger and a solid sorption material. The adsorber / desorber unit is placed in a common housing, which is sealed against the outside atmosphere, together with a condenser / evaporator unit, and the adsorber / desorber unit and the condenser / evaporator unit are separated from one another by an adsorbant-permeable element. The adsorber / desorber unit includes a thermoconductive absorbent holding body, which is connected in a thermoconductive manner to the heat exchanger. The absorbant holding body holds the sorption material, and provides stability to the adsorber / desorber unit. The interior of the common housing is subjected to the action of a negative pressure. The common housing is provided as a thin-walled sheet metal sheathing that is placed on the absorbent holding body, whereby diverting the collapsing forces generated by the negative pressure to the holding body and / or to the heat exchanger and to the condenser / evaporator unit.
Owner:SORTECH AG (DE)
Heat exchange having adsorbing core for use in refrigerating system
A heat exchanger having an adsorbing core is advantageously applied to a refrigerating system mounted on an automotive vehicle. The adsorbing core absorbs heat from coolant and gives heat to the coolant thereby to perform heat-exchanging operation. The adsorbing core is composed of a heat exchanging member such as tubes or fins of the heat exchanger and a attracting layer connected to the surface of the heat exchanging member. A seed crystal retaining layer is firmly connected to the surface of the heat exchanging member, and the attractant crystals forming the attractant layer are grown on the seed crystals by a hydrothermal crystal growth method. Since the attracting layer is uniformly formed and firmly connected to the surface of the heat exchanging member, heat is quickly transferred between the attractant layer and the heat exchanging member.
Owner:DENSO CORP
Method and apparatus for thermal storage using heat pipes
A thermal storage and transfer system includes a cooling system and method using ice or other frozen material with heat pipes to produce a cool airstream. Preferably, the ice is disposed in a container with the condensers and evaporators of the heat pipes respectively inside and outside the container. A fan blows air across the evaporator sections through a duct to circulate within an enclosed airspace to be cooled. A separate refrigeration system which may be used to independently cool the airspace also freezes water or another liquid to produce the ice or other frozen material in the container. The cooling system is broadly applicable, including use on motor vehicles to provide cooling for several hours when the vehicle engine is off. A heating system includes an adsorbent heat exchanger for extracting heat from exhaust gases of an engine and heating an enclosed airspace.
Owner:ACME ENERGY
Water generation from air utilizing solar energy and adsorption refrigeration unit
The invention is a water generator device from air utilizing solar thermal energy and adsorption principle. The system is based on an adsorption refrigeration unit with Ether as a refrigerant and activated carbon as adsorbed. The required heat is generated from evacuated tube solar system and the heat sink is the atmosphere. The adsorption unit is an air-cooled refrigeration unit that can operate at relatively low hot water temperature (60-70° C.) and relatively high atmospheric temperature (30-40° C.). The water condensed from air is than driven through a simple water purification unit to assure its quality as drinking water. The very small electricity needed to operate the hot water and cold water pumps along with the filtration unit and the controller of the adsorption unit is generated from a small Photo Voltaic (PV) unit for stand alone systems.
Owner:AL MAAITAH ADNAN AYMAN
Component for solar adsorption refrigeration system and method of making such component
InactiveUS20110048063A1Increase load capacityEnough timeBoiler absorbersOther chemical processesContact formationAdsorption refrigeration
An adsorption structure is described that includes at least one adsorbent member formed of an adsorbent material and at least one porous member provided in contact with a portion of the adsorbent member to allow gas to enter and exit the portion of the adsorbent member. Such adsorption structure is usefully employed in adsorbent-based refrigeration systems. A method also is described for producing an adsorbent material, in which a first polymeric material is provided having a first density and a second polymeric material is provided having a second density, in which the second polymeric material is in contact with the first polymeric material to form a structure. The structure is pyrolyzed to form a porous adsorbent material including a first region corresponding to the first polymeric material and a second region corresponding to the second polymeric material, in which at least one of the pore sizes and the pore distribution differs between the first region and the second region.
Owner:ENTEGRIS INC
Dehumidification solution condensation heat regeneration low-temperature heat source absorption type coupling air conditioner device and regulation and control method
ActiveCN106091187AImprove performanceRaise the evaporation temperatureMechanical apparatusBoiler absorbersCooling towerBusiness efficiency
Owner:SOUTHEAST UNIV
Adsorption heat pump, adsorption refrigerator and adsorber elements therefor
InactiveUS8707729B2Efficiently dissipatedProne to feverDomestic cooling apparatusBoiler absorbersAdsorption refrigerationHeat conducting
Owner:FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
Method and system for combined supply of cooling, heating and power through small biomass gasification
InactiveCN104119961ARealize the principle of cascade utilizationEasy to transportInternal combustion piston enginesBoiler absorbersFlue gasThermal water
The invention discloses a method and a system for combined supply of cooling, heating and power through small biomass gasification. The method comprises the following steps: feeding high-temperature crude biomass gasified gas generated in a biomass gasification furnace into a heat pipe type gas-liquid heat exchanger for utilizing sensible heat, wherein the temperature after heat exchange through the heat pipe type gas-liquid heat exchanger is 200 DEG C; purifying the crude gasified gas after the heat exchange; feeding one part of the purified biomass gasified gas into an internal combustion engine for combustion for power generation, and taking the other part of the purified biomass gasified gas as supplementary fuel of a hot water flue gas direct-fired machine; arranging a temperature sensor behind the heat pipe type gas-liquid heat exchanger, controlling the motor speed of a fan and a spiral blade type feeding device through a temperature control system based on the temperature to adjust the balance between the gas consumption and the gas yield, and accurately controlling the temperature of the biomass gasified gas to be 200 DEG C. The system is reasonable in configuration, the effect of medium and low-temperature waste heat can be brought into full play, the gradient utilization rule of energy is realized, and the energy utilization rate of the system is increased.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Chemical heat pump working with a hybrid substance
InactiveUS20090249825A1Low thermal conductivityIncrease storage capacityHeat pumpsBoiler absorbersLiquid stateCompound (substance)
A chemical heal pump includes a reactor part (1) that contains an active substance and an evaporator / condenser part (3) that contains that portion of volatile liquid that exists in a condensed state and can be absorbed by the active substance. A channel (4) interconnects the reactor part and the evaporator / condenser part, In at least the reactor part a matrix (13) is provided for the active substance so that the active substance both in its solid state and its liquid state or its solution phase is hold or carried by or bonded to the matrix. The matrix is advantageously an inert material such as aluminium oxide and has pores, which are permeable for the volatile liquid and in which the active substance is located. In particular, a material can be used that has a surface or surfaces, at which the active substance can be bonded in the liquid state thereof. For example, the matrix can be a material comprising separate particles such as a powder or a compressed fibre material.
Owner:CLIMATEWELL AB
Vapor-liquid heat and/or mass exchange device
ActiveUS20130133346A1Increase desorptionImprove distributionHeat pumpsBoiler absorbersVapor liquidWorking fluid
The invention is directed toward a vapor-liquid heat and / or mass exchange device that can be used in an integrated heat and / or mass transfer system. To achieve high heat and mass transfer rates, optimal temperature profiles, size reduction and performance increases, appropriately sized flow passages with microscale features, and countercurrent flow configurations between working fluid solution, vapor stream, and / or the coupling fluid in one or more functional sections of the desorber are implemented. In one exemplary embodiment of the present invention, a desorber section utilizes a heating fluid flowing in a generally upward direction and a concentrated solution flowing in a generally downward direction with gravity countercurrent to the rising desorbed vapor stream. To further increase the efficiency of the system, various types of column configurations can be used. Additionally, the surfaces of the microchannels can be altered to better transfer heat.
Owner:GEORGIA TECH RES CORP
Method and apparatus for making a sorber
InactiveUS7003979B1Improved thermal pathImprove permeabilityBoiler absorbersBoilers/analysersElectrical conductorSorbent
A structure and method of manufacture for a sorber, wherein a mass of sorbent contained in a sorber enclosure comprises a plurality of sorbent disks stacked in face-to-face relation. The sorbent disks are formed from a solid sorbent material such as zeolite and contain surface features in at least one face of each disk which, when the disks are stacked, form passageways by which sorbate is distributed throughout the mass of sorbent material. In one embodiment, each sorbent disk is annular in shape and has a plurality of radial grooves which extend from the periphery of the disk to the aperture through the center of the disk. The disks are stacked face-to-face and an inner conductor is inserted through the center apertures of the disks. This assembly is then inserted into a conductive housing and is enclosed by a pair of end plugs or caps which are secured to the housing. A port in one of the end caps allows sorbate to enter and exit the sorber enclosure. The sorber structure forms a coaxial transmission line for electromagnetic waves which are used to desorb sorbate from the sorbent disks. Alternate embodiments may use sorbent disks which employ surface features other than grooves to provide passageways through the sorbent mass. Alternate embodiments may also have configurations which are not cylindrical and / or coaxial.
Owner:ORACLE INT CORP
Improved heat and mass transfer apparatus and method for solid-vapor sorption systems
InactiveCN1349605APromote migrationImprove performanceBoiler absorbersOther chemical processesHydrogenSorbent
A sorber heat exchanger is provided with a substrate material incorporating a sorbent for reacting with a polar gas refrigerant or hydrogen. A preferred sorbent is a metal salt capable of reacting with the polar gas refrigerant to form a complex compound. The sorbent incorporating substrate is loaded into the reactor space between the heat transfer surfaces. Incorporating the sorbent into the substrate reduces sorbent migration thereby improving performance and life expectancy of the heat exchanger.
Owner:ROCKY RES
Aluminum heat exchanger
InactiveUS6994154B2Prevent generation of hydrogenAvoid generatingBoiler absorbersEnergy efficient heating/coolingEngineeringMoisture
In an adsorber for an adsorption type refrigerator of the present invention, aluminum heat exchangers 120, 130 arranged in a casing 110 are provided with films which do not permit moisture to pass therethrough, such as SiO3 films, anodic oxide coating films and several ppm to a hundred and several tens of ppm of inorganic negative ions such as PO43−, SiO32− are added in the water enclosed in the casing.
Owner:DENSO CORP
Intelligent cooling system
Disclosed are systems and methods of intelligently cooling thermal loads by providing a burst mode cooling system for rapid cooling, and an auxiliary cooling system that controls the temperature of the thermal load and surrounding environment between burst mode cooling cycles.
Owner:ROCKY RES
Method, apparatus and system for transferring heat
Owner:COMMONWEALTH SCI & IND RES ORG
Waste heat driven double heat pipe generator
InactiveCN1587866ASolve the problem of low temperature corrosionSolving Corrosion ProblemsBoiler absorbersClimate change adaptationFlue gasPneumatic valve
A double heat pipe generator driven by after heat is adopted in marine adsorption ice making field, comprising: fume heating steam boiler, fume heating pipe, heat pipe air operated valve, adsorption bed, adsorption unit pipe, absorbent, sea water condenser, cooling valve, sea water pipe, sea water inlet and sea water outlet fume heating pipeline is installed on the upper part of fume heating steam boiler, its space outside is heat generator with water as medium; heating zone upper part of heat pump is connected to heating channel which is set in adsorption unit pipe with absorbent inside by heat pipe air operated valve; sea water condenser whose two ends are linked to sea water pipeline is set on top of generator, and sea water inlet and outlet are linked separately to sea water pipeline and sea water condenser; condensing zone of heat pipe is consisted of the outside space of adsorption unit pipe in adsorption bed and lower part space. The invention has solved flue gas corrosion problem and risen reliability of the system by reducing valve quantity.
Owner:SHANGHAI JIAO TONG UNIV
Monolithically Integrated Bi-Directional Heat Pump
Monolithically integrated heat pump. The heat pump includes as adsorbent / absorbent condenser forming a hot terminal integrated with a phase change heat exchanger forming a cold terminal. The adsorbent / absorbent condenser and the phase change heat exchanger are integrated into a single pressure vessel.
Owner:UNIV OF TEXAS +1
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