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65results about How to "Improve cold storage capacity" patented technology
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Manufacturing method of ice bag for preserving biological products
ActiveCN103194177AImprove cooling effectImprove bindingHeat-exchange elementsFreezing thawingDissolution
The invention discloses a manufacturing method of an ice bag for preserving biological products. The manufacturing method comprises the following steps: 1) adding a thickener into hot water or boiling water, and fully stirring till dissolution; 2) adding high molecular water-absorbing resin into a solution in the step 1) while hot, stirring, then standing to carry out full reaction and imbibition on the high molecular water-absorbing resin and the thickener, and forming a gelatinous solid, wherein the reaction time is 5-30minutes; and 3) bagging the gelatinous solid in the step 2), cooling, and then placing into a cold storage, a refrigerating cabinet or a refrigerator at the temperature of -10 DEG C to -20 DEG C for freezing for above 12hours. The invention provides a simple, convenient and high-efficient manufacturing method of a high molecular cold storage agent, namely the manufacturing method of the ice bag for preserving the biological products. The prepared cold storage agent has the advantages of high repeatability, great freezing-thawing phase change latent heat, long cold storage time and fast water absorption speed, and furthermore, the cost of the process is low; and by changing the added thickener, the different phase change temperatures can be obtained for meeting various different application requirements.
Owner:浙江赛灵特医药科技有限公司
Evaporator with cool storage function
ActiveCN102374705AReduce the pass areaInhibit the increase in ventilation resistanceHeat storage plantsEvaporators/condensersCool storageFront edge
Owner:MAHLE INT GMBH
Composite phase-change cold-accumulation material
InactiveCN103820083AStrong cold storage capacityHas practical valueHeat-exchange elementsHardnessPhase change
The invention provides a composite phase-change cold-accumulation material. The composite phase-change cold-accumulation material is formed by compounding dodecanol, water, glycerin or a mixture of any two of the dodecanol, the water and the glycerin, and a surfactant. The composite phase-change cold-accumulation material has the characteristics of small hardness, large available phase change latent heat, stable cold accumulation capacity and the like.
Owner:PEKING UNIV +2
Phase-change cold-storage device for air conditioner
InactiveCN1731034AImprove heat transfer performanceReduce heat transfer resistanceDomestic cooling apparatusLighting and heating apparatusEngineeringPhase change
The phase change cold accumulator includes cold accumulator barrel with one set of heat exchange pipe with coolant, phase change cold accumulating material, upper liquid collecting chamber located in and communicated to the upper end of the heat exchange pipe, and lower liquid collecting chamber located in and communicated to the lower end of the heat exchange pipe. The cold accumulator barrel is provided with coolant inlet communicated with the lower liquid collecting chamber and coolant outlet communicated with the upper liquid collecting chamber, and the phase change cold accumulating material is sealed inside the cavity comprising the cold accumulator barrel, the heat exchange pipe, the upper end plate and the lower end plate. The present invention has small heat transfer resistance, small flow resistance, high cold accumulating and releasing efficiency, and homogeneous solidification and melting of the phase change cold accumulating material, and is suitable for various cooling air conditioners.
Owner:NANJING UNIV
Evaporator with cool storage function
InactiveCN102109254AImprove cooling effectAvoid performance degradationHeat storage plantsEvaporators/condensersCool storageEngineering
An evaporator (1) with a cool storage function includes a plurality of flat refrigerant flow tubes (13) spaced apart from one another, and a plurality of flat cool storage material containers (15) each of which contains a cool storage material and is disposed on one side of the corresponding refrigerant flow tube (13), and is brazed to the corresponding refrigerant flow tube (13). The cool storage material container includes a container body (21) brazed to the corresponding refrigerant flow tube (13), and an internal-volume-increasing portion (22) which extends downstream from the container body, which projects downstream from the refrigerant flow tube (13), and which is greater in dimension in a thickness direction than the container body (21). An inner fin (23) extending from the container body (21) to the internal-volume-increasing portion (22) is disposed in the cool storage material container (15).
Owner:KEIHIN THERMAL TECH CORP
Phase change cold accumulation composite material based on polyethylene glycol
ActiveCN104531081AHigh phase change heatLower phase transition temperatureHeat-exchange elementsOrganic solventPolyethylene glycol
The invention provides a phase change cold accumulation composite material based on polyethylene glycol. The phase change cold accumulation composite material comprises 8-10 parts of polyethylene glycol and 0.3-5 parts of solvent, wherein the solvent is water and one or more of organic solvent soluble with water. The phase change cold accumulation composite material further comprises 0.05-2 parts of nucleating agents. The phase change cold accumulation composite material has high phase change heat and low phase change temperature and can be circularly used, and the cold accumulation capacity of the phase change cold accumulation composite material keeps good. Meanwhile, a preparing method of the phase change cold accumulation composite material is simple, practicable and low in cost.
Owner:南京璇玑新材料有限公司 +1
Ground source cold accumulation device and ground source cold accumulation system
InactiveCN101586855ASimple structureGuaranteed uptimeLighting and heating apparatusAir conditioning systemsCooling coilEngineering
The embodiment of the invention discloses a ground source cold accumulation device and a ground source cold accumulation system. The ground source cold accumulation device comprises a liquid cold accumulation working substance and an underground cooling coil heat exchange unit, the liquid cold accumulation working substance is positioned in underground soil, the underground cooling coil heat exchange unit is positioned in the liquid cold accumulation working substance and is partially exposed on the ground, realizing the cold accumulation of the cold accumulation working substance. The cold accumulation of the cold accumulation working substance is performed through the underground cooling coil heat exchange unit, and the cold accumulation capability and the heat exchange capability of unit space are enhanced through the liquid cold accumulation working substance. The accumulated cold capability of the cold accumulation working substance can be used as the cold ends of air conditioning devices and other heat exchange systems, and the ground source cold accumulation device has simple structure, stable and reliable operation and high efficiency and is environmental friendly.
Owner:HUAWEI TECH CO LTD
Circulation box material and preparation method thereof
The invention discloses a circulation box material and a preparation method thereof, and belongs-the technical field of plastic products. The circulation box material is mainly prepared from, by weight, 100-150 parts of high-density polyethylene, 15-25 parts of polypropylene, 2-10 parts of polyacrylonitrile carbon fibers, 10-15 parts of a filler, 2-10 parts of a pigment, 10-25 parts of a compatibilizer, 0.5-3.5 parts of a dispersant, 0.2-0.7 parts of an antioxidant, 0.1-0.6 parts of an antibacterial agent, 0.3-0.6 parts of a coupling agent and 0.2-0.6 parts of a stabilizer. Circulation boxes made through adopting the method have the advantages of large mechanical strength, uniform color and strong antibacterial property, and are suitable for loading and transporting refrigerated and frozen foods.
Owner:广西睿桂涵农业有限公司
Energy storage assembly and multi-split air-conditioning system
ActiveCN105588242AGood cold storage capacityImprove cold storage capacityMechanical apparatusSpace heating and ventilation safety systemsComputer moduleEngineering
The embodiment of the invention discloses an energy storage assembly and a multi-split air-conditioning system, and relates to the technical field of electronics. A refrigerant can be used for storing energy, the energy storage capacity can be improved, and the energy storage effect is enhanced. According to the specific scheme, the energy storage assembly (10) is connected between an outdoor unit module (20) and an indoor unit module (30) and comprises an energy storage barrel (11), an electronic expansion valve (12) and an electromagnetic valve assembly (13); and the electromagnetic valve assembly (13) comprises a plurality of electromagnetic valves, a plurality of one-way valves and four ports. A first end (131) of the electromagnetic valve assembly (13) is connected with one side (111) of the energy storage barrel (11); and a second end (132) of the electromagnetic valve assembly (13) is connected with the other side (112) of the energy storage barrel (11). The energy storage assembly is used for the process of energy storing of a multi-split air conditioner.
Owner:QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
Fruit and vegetable fresh-keeping box
InactiveCN105600156AReduce loss rateImprove cooling effectDomestic cooling apparatusLighting and heating apparatusSeawaterHorticulture
The invention relates to a fresh-keeping box, in particular to a fruit and vegetable fresh-keeping box. The fruit and vegetable fresh-keeping box comprises a box body and is characterized in that the six side faces of the box body are all of hollow structures, and aluminum boxes are arranged in the hollow structures and contain seawater and absolute ethyl alcohol. The fruit and vegetable fresh-keeping box is simple in structure and convenient to use, an ethyl alcohol and seawater compound is adopted as a refrigerant, cold accumulation capacity is high, the effect of cooling fresh fruits and vegetables is good, and low temperature can be kept for a long time, which is suitable for dynamically keeping the fruits and vegetables fresh.
Owner:INST OF BOTANY CHINESE ACAD OF SCI
House type barn food grain storing method
ActiveCN111758773AImprove storage qualityStorage Quality AssuranceClimate change adaptationSeed preservation by freezing/coolingTemperature controlAgricultural science
The invention discloses a house type barn food grain storing method. The house type barn food grain storing method comprises an inner loop current temperature control technology, a fumigation and steaming technology and a nitrogen controlled atmosphere technology, which one of the inner loop current temperature control technology, the fumigation and steaming technology and the nitrogen controlledatmosphere technology is selected for implementation; in the inner loop current temperature control technology, cooling capacity of a cooling core of a food grain pile at the lower part of a barn is pumped out and inputted into space above the top of the food grain pile, and a downgoing type air current is formed in the food grain pile; in the fumigation and steaming technology, fumigation and steaming gas in the space above the top of the food grain pile is pumped out from the upper part of the barn and is charged in the bottom of the food grain pile from a venthole in the lower part of the barn, and an upgoing type air current is formed in the food grain pile; and in the nitrogen controlled atmosphere technology, nitrogen is charged in the space above the top of the food grain pile fromthe upper part of the barn, and then gas is exhausted outwards from the lower part of the barn, so that the concentration of the nitrogen in the food grain pile can reach a nitrogen concentration target value I. According to the house type barn food grain storing method disclosed by the invention, an appropriate storing technology can be flexibly selected according to actual food grain storing situations, so that the food grain storing quality can be effectively improved; and inner loop current temperature control, fumigation and steaming as well as controlled atmosphere storage can be independently operated, so that the food grain storing quality can be guaranteed, besides, consumption of storing energy can be reduced, and the operating cost is low.
Owner:JILIN BRANCH CHINA GRAIN RESERVES CORP +1
A method of heat dissipation and cooling for high heat density cabinets in data centers
ActiveCN106385784BShorten the conveying distanceTake away quicklyCooling/ventilation/heating modificationsControl systemData center
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
Refrigerant hydrate circulating cool storage system
InactiveCN106017178AThere will be no problems such as aging and sudden drop in cold storage capacitySolve the huge shortcomingsDomestic cooling apparatusHeat storage plantsCool storageSolvent
The invention discloses a refrigerant hydrate circulating cool storage system. The refrigerant hydrate circulating cool storage system comprises a hydrate reaction barrel, an absorber, a solution pump, a generator, a condenser and mixed liquid which is formed by a DMF solvent and an R134a refrigerant and is operated in the whole system. The DMF solvent and the R134a refrigerant form a mixed solution in the absorber, and the mixed solution is pumped into the generator through the solution pump. R134a steam is generated in the generator, enters an evaporator coil located in the hydrate reaction barrel after being cooled and liquefied through the condenser so as to provide cooling capacity for hydrate reactions and then returns to the absorber, the residual solution in the generator also returns to the absorber to be mixed again. According to the refrigerant hydrate circulating cool storage system, hydrates melts to absorb heat at the high temperature by day so as to achieve the purpose of cooling a room, and waste heat or low-price electric energy is used for achieving the purpose of refrigerant gas hydrate cool storage by night through the cool storage circulating system.
Owner:HENAN UNIV OF SCI & TECH
Cold supply system and cold supply method thereof
ActiveCN111664524ALower deployment costsCold storage capacity is flexible and adjustableFluid circulation arrangementAir conditioning systemsProcess engineeringCold storage
The invention provides a cold supply system and a cold supply method thereof. The cold supply system comprises first refrigeration equipment, second refrigeration equipment and cold storage equipment,the first refrigeration equipment and the cold storage equipment are used for providing a first medium for end equipment for cold supply to the end equipment, the second refrigeration equipment is used for providing the first medium for the cold storage equipment to carry out cold charging on the cold storage equipment, a cooling side medium input port of the second refrigeration equipment is used for receiving the first medium output by the end equipment, a freezing side medium input port of the first refrigeration equipment is connected with a cold supply side medium output port of the second refrigeration equipment, and is used for receiving the first medium output by the cooling side medium output port of the second refrigeration equipment, through the system and the method, cold supply stability of the end equipment is ensured, and adjustment of the cold storage amount of the cold storage equipment is reinforced.
Owner:HUAWEI DIGITAL POWER TECH CO LTD
refrigeration equipment
ActiveCN102269505AImprove cold storage capacityStable temperatureLighting and heating apparatusRefrigeration devicesEngineeringHeat conservation
The invention provides a refrigeration device. The refrigeration equipment includes a shell, a foam layer, an evaporator and an inner container, and also includes an ice row located between the evaporator and the inner container. By placing the ice row between the evaporator and the inner tank, and wrapping the ice row in the foam layer, the ice row is in a closed environment, and the cold energy stored by the ice row will not directly contact with the air. When it is opened When refrigerating the door body of the equipment, the ice row will not lose much cooling capacity. After closing the door body, the cooling capacity lost due to opening the door can be quickly replenished by the ice row, which is more conducive to maintaining a constant temperature in the inner tank and increasing heat preservation Time, to achieve improved cold storage performance of refrigeration equipment.
Owner:QINGDAO HAIER BIOMEDICAL CO LTD
Low-temperature phase transition material for storing cold energy and preparation method of low-temperature phase transition material
InactiveCN103045176AIncrease profitSolve problems such as large fluctuations in cold energy supplyHeat-exchange elementsEnergy supplyGraphite substrate
The invention discloses a low-temperature phase transition material for storing cold energy. The low-temperature phase transition material is characterized in that the low-temperature phase transition material comprises the following components in parts by weight: 0.2-5 parts of nano metal material, 0.2-5 parts of nano porous graphite substrate, 0.2-5 parts of surfactant, and 20-98 parts of low-temperature organic phase transition substance. The invention further discloses a preparation method of the low-temperature phase transition material. The low-temperature energy storage material can be used for storing surplus waste cold during an energy consumption peak, and release the stored cold at a valley. After the material is transported to other required places, the material is used for cold energy utilization equipment; the problem that the fluctuation of cold energy supply is great is solved; the utilization ratio of the cold energy is increased greatly; and the material is energy-saving, environment-friendly, better in stability and lower in toxicity, and can better meet cold accumulation requirements.
Owner:SHANGHAI MARITIME UNIVERSITY
Cold storage movable refrigeration house
PendingCN113091375AWith preservation functionImprove cold storage capacityEvaporators/condensersStationary refrigeration devicesInsulation layerEngineering
The invention belongs to the technical field of movable refrigeration houses, and particularly relates to a cold storage movable refrigeration house which comprises a box body. The inner wall of the box body is wrapped with a heat insulation layer, a first box door and a second box door are hinged to the right side face of the box body, and a first partition plate and a second partition plate are fixedly connected between the inner top wall and the inner bottom wall of the box body; and the first partition plate and the second partition plate are both wrapped with heat insulation layers, and the box body is sequentially divided into an equipment bin, a freezing bin and a goods feeding bin from left to right through the first partition plate and the second partition plate. According to the cold storage movable refrigeration house, the total refrigeration electricity consumption cost in the using process is reduced; and compared with the prior art, cold energy generated in the valley electricity consumption period can be stored through a cold storage evaporator, then the cold energy is released in the peak electricity consumption period, and therefore the electricity consumption in the valley electricity consumption period can be increased, the electricity consumption of the peak electricity consumption period is reduced, the refrigeration electricity consumption cost can be effectively reduced.
Owner:盟喀侨环境优化技术(上海)有限公司
Coolant
InactiveCN108690563AImprove surface propertiesGood biocompatibilityHeat-exchange elementsHydrogenIon exchange
The invention discloses a coolant, and belongs to the field of novel materials. The coolant is characterized in that sepiolite is used as the raw materials, puffed, and connected with sulfydryl groups, and the polarity groups in a structure of the sepiolite and carbomer dispersion can form hydrogen bonds with polarity groups in high water absorbent resin so as to substitute the lost water molecules around the polarity groups; the metal ions in the modified sepiolite interlayer structure are dissolved with carbomer, the ionized hydrogen ions generate one part of ion exchange, the produced metalions can provide conditions for the coordination crosslinking of macromolecules in the system, and the activity and stability of the internal biological macromolecules requiring cooling are effectively improved; the coordination crosslinking is physical crosslinking, the process is reversible, the phase change temperature range is further increased, and the cooling effect is improved; the problems of slow water absorbing speed, small water absorbing amount and narrow phase-transition temperature range in the existing coolant are solved.
Owner:常州市蒽盗钟情生物科技有限公司
Liquefied gas storage tank and application method thereof
InactiveCN104776311AEffectively maintain liquid stateMaintain a liquid statePressure vesselsInsulation layerLiquid state
The invention discloses a liquefied gas storage tank, which comprises an inner cavity, a thermal-insulation layer, and an outer cavity. The heat-insulation layer is arranged on the external side of the inner cavity, the outer cavity is arranged on the external side of the heat-insulation layer; the space in the inner cavity is used to store the liquefied gas, and the inner cavity is communicated with the outer cavity. The invention further discloses an application method of the liquefied gas storage tank. The liquefied gas storage tank is arranged under the ground, in the hill body, or under the water. The liquefied gas storage tank has a compact structure and a strong performance on maintaining the temperature in the tank and thus is capable of maintaining the liquid state of the gas in the tank.
Owner:ZEROQ SCI & TECH
Phase change cold storage device for air conditioner
InactiveCN113218016AEasy to passReduce dosageHeat storage plantsAir conditioning systemsThermodynamicsEnhanced heat transfer
The invention relates to a phase change cold storage device for an air conditioner. The phase change cold storage device comprises a box body, a plurality of heat exchange coil pipes connected in parallel are arranged in the box body, each heat exchange coil pipe extends in an S-shaped bent shape in the length direction of the box body, fractal fins are arranged on the pipe wall of each heat exchange coil pipe, the fractal fins are of a forked structure evenly distributed along the circumference of the pipe walls, the forked structures between the adjacent heat exchange coil pipes are correspondingly connected to form a uniformly arranged net-shaped structure, and the box body is filled with a phase change material. According to the phase change cold storage device, the fractal fins are bionic step-by-step forked tree-shaped structure fins, compared with a common flat plate type fin structure, the fractal fins have the advantages that the heat exchange area is large, heat can be better transferred to the area away from the heat exchange coil pipes, the heat exchange time is greatly shortened, the cold storage and release time is prolonged, compared with other foam metal and other complex enhanced heat transfer forms, the structure is simpler, the price is low, and a better enhanced heat transfer effect is achieved with a smaller amount of metal.
Owner:SOUTHEAST UNIV
A medium and low temperature phase change cold storage material and its preparation method
InactiveCN105647481BImprove cold storage capacityHigh latent heat of phase changeHeat-exchange elementsAlcoholLiquid state
The invention relates to a medium-low temperature phase change cold storage material and a preparation method thereof, in particular to an alcohol group-alkyl group mixture medium-low temperature phase change cold storage material with the medium-low melting point and higher latent heat and application of the material, belongs to the field of phase change materials, and discloses a medium-low temperature phase change cold storage material based on nonyl alcohol and a preparation method and application of the material. The preparation method comprises the steps that under the certain conditions, mixed liquid is formed by regulating and controlling the proportion of the nonyl alcohol, n-pentdecne and water, the liquid is mechanically mixed to be uniform and then cooled to the room temperature, and the medium-low temperature phase change cold storage material is obtained. The cold storage material is in a liquid state at the room temperature of 0 DEG C-10 DEG C, can be applied to containers in different shapes and is free of corrosivity and suitable for refrigerated transportation of medicine, food freshness keeping and the like. The medium-low temperature phase change cold storage material is simple in component proportion, wide in source, low in cost and suitable for industrialized popularization.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Cold storage agent for kiwi fruit storage
InactiveCN107699204ALarge reservesLow priceHeat-exchange elementsFruits/vegetable preservation by freezing/coolingMANNITOL/SORBITOLKiwi fruit
The invention discloses a cold storage agent for kiwi fruit storage. The cold storage agent comprises: a copolymer, mannitol, malic acid, xylitol, sodium diacetate, butanediol, calcium lactate, and aphase change temperature regulator.
Owner:雅安市猕猴桃产业技术研究院
Large centralized air-conditioning system with distributed cold and heat sources
PendingCN108844165AImprove cold storage capacityReduce wasteMechanical apparatusLighting and heating apparatusEngineeringAir conditioning
The invention provides a large centralized air-conditioning system with distributed cold and heat sources. The large centralized air-conditioning system comprises a large energy station, wherein the large energy station is connected with user units through a transmission and distribution pipe network, and a plurality of user units are distributed along the transmission and distribution pipe network; the transmission and distribution pipe network is a three-pipe annular transmission and distribution pipe network and comprises an annular main water supply trunk pipe, an annular main backwater trunk pipe and an annular secondary backwater trunk pipe, and the annular main water supply trunk pipe, the annular main backwater trunk pipe and the annular secondary backwater trunk pipe are parallel;the water supply end of the large energy station is connected with the main water supply trunk pipe, the backwater end of the large energy station is connected with the main backwater trunk pipe, themain backwater trunk pipe communicates with the secondary backwater trunk pipe through a secondary by-pass pipe, and the main water supply trunk pipe communicates with the main backwater trunk pipe through a third by-pass pipe. According to the large centralized air-conditioning system with the distributed cold and heat sources, the centralized large air conditioning system and a decentralized air conditioning system are combined, the advancing or delaying of the cooling and heating in the morning and evening or in winter and summer can be realized, the operation adjustment of the system is more flexible and convenient.
Owner:CHINA NORTHWEST ARCHITECTURE DESIGN & RES INST CO LTD
Evaporator and refrigerating device
InactiveCN107062707AImprove heat transfer efficiencyImprove freezing effectEvaporators/condensersTubular elementsEvaporationRefrigeration
The invention provides an evaporator and a refrigerating device. The evaporator is applied to the refrigerating device and comprises a shell and an evaporation tube. The evaporation tube contains a refrigerant. The evaporator is located in the shell and makes contact with the inner wall of the shell. The refrigerant is evaporated and absorbs heat in the evaporation tube. A filling piece is arranged in the evaporation tube and makes contact with the inner wall of the evaporation tube. The filling piece extends in the length direction of the evaporation tube. The cross section area of the filling piece is smaller than the cross section area of the evaporation tube. According to the evaporator, the filling is arranged in the evaporation tube, and the cross section area of the filling piece is smaller than that of the evaporation tube; in this way, the heat exchange area of the refrigerant is increased, the heat exchange efficiency is improved and the refrigerating speed is higher; the filling amount of the refrigerant is reduced under the same refrigerating effect, the efficiency of the refrigerant in a pipeline is improved, and the refrigeration efficiency of the whole machine is improved; the filling piece can be used as a cold storage agent to participate in the whole refrigeration cycle, the refrigerating capacity is improved, and the energy consumption of the whole machine is reduced.
Owner:HEFEI HUALING CO LTD +2
Cold storage ball module and cold storage water tank using cold storage ball module
PendingCN110345790AImprove cold storage capacityImprove temperature distributionHeat storage plantsIce storageWater flow
The invention discloses a cold storage ball module and a cold storage water tank using the cold storage ball module. The cold storage ball module comprises a stand column and cold storage balls, wherein the multiple cold storage balls are up-and-down strung on the stand column. According to the cold storage ball module and the cold storage water tank using the cold storage ball module provided bythe invention, in the cold storage ball module, the multiple cold storage balls are supported through the stand column and cannot be mutually stacked, so that the cold storage balls on the bottom partcannot be broken due to excessive pressure; through ordered alignment and distribution, gap spaces among the cold storage balls are reasonably utilized, the space of the box body is sufficiently utilized, the number of the cold storage balls is maximally set, and a cold storage capability of the cold storage water tank is improved; and through ordered alignment and distribution, gaps among the cold storage balls are uniformly distributed, a water flow flows uniformly, all ice storage balls fully contact the water flow, the temperature distribution in a water tank is uniform, and a cold storage capability is improved.
Owner:DONGGUAN ZHAORONG ENERGY SAVING SCI & TECH
Refrigeration house refrigerating system
PendingCN108592486AAvoid safety hazardsImprove cold storage capacityMechanical apparatusCompression machines with non-reversible cyclePentaerythritolProcess engineering
The invention discloses a refrigeration house refrigerating system which comprises a first refrigerating circulating system and a second refrigerating circulating system, wherein the first refrigerating circulating system comprises a main refrigerating unit, an evaporative condenser and a main refrigerating unit heat exchanger; the second refrigerating circulating system comprises a cold accumulation water tank, a refrigerating pump, an adjusting station and heat exchangers between refrigeration houses; the cold accumulation water tank, the refrigerating pump, the adjusting station, the heat exchangers between refrigeration houses and connected pipelines are filled with intercooling liquid, wherein the intercooling liquid is potassium formate-pentaerythritol-water dispersible polyisocyanates-water system secondary refrigerant; and the main refrigerating unit heat exchanger of the first refrigerating circulating system is completely immersed in the intercooling liquid in the cold accumulation water tank of the second refrigerating circulating system.
Owner:北京中冷高科制冷设备有限公司
Phase-change cold storage module and manufacturing tool and manufacturing method thereof
InactiveCN106352727ASolve the problems of poor weldability and unreliable sealingSolving Corrosion ProblemsHeat storage plantsPhase changeCold storage
The invention discloses a phase-change cold storage module. The phase-change cold storage module comprises a template shell, a phase-change cold storage agent and an evaporator are arranged in the template shell, an evaporator inlet, an evaporator outlet and a cold storage material filling port are formed in the side wall of the template shell, and the cold storage material filling port is communicated with an inner cavity of the template shell. The invention further discloses a manufacturing tool of the phase-change cold storage module. The manufacturing tool comprises an extrusion head, reshaping tools are arranged on the two sides of an extrusion opening formed in the lower portion of the extrusion head, the reshaping tools are driven by air cylinders, a cavity mold is arranged under the reshaping tools and the extrusion opening, and an evaporator fixing tool is arranged at the bottom of the cavity mold. The invention further discloses a manufacturing method of the phase-change cold storage module, wherein the phase-change cold storage module is manufactured by means of the manufacturing tool of the phase-change cold storage module. The structure and the template shell material are changed, manufacturing is convenient, the cold storage capacity is significantly increased, and the corrosion and sealing problems can be solved.
Owner:胡家萍
Cold accumulation water tank of refrigeration house refrigerating system
PendingCN108592488ASimple structureImprove cold storage capacityLighting and heating apparatusStationary refrigeration devicesEngineeringRefrigeration
The invention discloses a cold accumulation water tank of a refrigeration house refrigerating system. The walls of the cold accumulation water tank are composed of a carbon steel plate layer, a steelframe layer, a polyurethane foaming layer and a polyurethane sandwich panel layer; a secondary refrigerant input port is formed in one side of the upper part of the cold accumulation water tank; a secondary refrigerant output port is formed in the lower part of the side wall of the side opposite to the secondary refrigerant input port; a plurality of partition boards are arranged in the cold accumulation water tank; one side edge of each of the partition boards is connected with the side wall of the cold accumulation water tank; a clearance is reserved between the other side edge of each of the partition boards and the another side wall of the cold accumulation water tank; and the clearances formed between every two adjacent partition boards are not on the same side.
Owner:北京中冷高科制冷设备有限公司
Phase-change cold storage device and cold supply system with same
InactiveCN106352726AImprove energy efficiencyEven distribution of waterHeat storage plantsHeat exchanger casingsTemperature stratificationWater flow
The invention discloses a phase-change cold storage device and a cold supply system with same. The phase-change cold storage device comprises a casing, an energy storage material, a water inlet pipe and a water outlet pipe, wherein the energy storage material is arranged in the casing; the water inlet pipe is arranged on a water inlet end plate of the casing, and the water outlet pipe is arranged on a water outlet end plate of the casing; flow distribution assemblies are respectively arranged at one side, near the water inlet end plate, and one side, near the water outlet end plate, in the casing; the flow distribution assembly at one side near the water inlet end plate is communicated with the water inlet pipe, and the flow distribution assembly at one side near the water outlet end plate is communicated with the water outlet pipe; a flow distribution plate is arranged between each flow distribution assembly and the energy storage material; water distribution holes are formed in one side, away from the flow distribution plate, of each flow distribution assembly. The phase-change cold storage device has the advantage that by adopting the scheme, the water distribution holes are formed in one side away from the flow distribution plate, and the water flow is returned back and sent into the flow distribution plate, so that the water flow of the energy storage material is uniformly distributed, the problem of temperature stratification produced by the energy storage material is effectively inhibited, the cold storage efficiency and effect are improved, and the service life of the energy storage material is prolonged.
Owner:GUANGDONG EUROKLIMAT AIR CONDITIONING & REFRIGERATION
Ground source cold accumulation device and ground source cold accumulation system
InactiveCN101586855BSimple structureGuaranteed uptimeHeat pumpsAir conditioning systemsCooling coilEngineering
The embodiment of the invention discloses a ground source cold accumulation device and a ground source cold accumulation system. The ground source cold accumulation device comprises a liquid cold accumulation working substance and an underground cooling coil heat exchange unit, the liquid cold accumulation working substance is positioned in underground soil, the underground cooling coil heat exchange unit is positioned in the liquid cold accumulation working substance and is partially exposed on the ground, realizing the cold accumulation of the cold accumulation working substance. The cold accumulation of the cold accumulation working substance is performed through the underground cooling coil heat exchange unit, and the cold accumulation capability and the heat exchange capability of unit space are enhanced through the liquid cold accumulation working substance. The accumulated cold capability of the cold accumulation working substance can be used as the cold ends of air conditioningdevices and other heat exchange systems, and the ground source cold accumulation device has simple structure, stable and reliable operation and high efficiency and is environmental friendly.
Owner:HUAWEI TECH CO LTD
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