CN102022825A - A heat pump hot-water unit for recovering food grade residual heat recovery - Google Patents

A heat pump hot-water unit for recovering food grade residual heat recovery Download PDF

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Publication number
CN102022825A
CN102022825A CN 200910178680 CN200910178680A CN102022825A CN 102022825 A CN102022825 A CN 102022825A CN 200910178680 CN200910178680 CN 200910178680 CN 200910178680 A CN200910178680 A CN 200910178680A CN 102022825 A CN102022825 A CN 102022825A
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China
Prior art keywords
condenser
communicated
temperature
evaporimeter
working medium
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CN 200910178680
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Chinese (zh)
Inventor
孙继江
吴志光
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NEIMENGGUO XINNUO RADIATOR CO Ltd
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NEIMENGGUO XINNUO RADIATOR CO Ltd
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Priority to CN 200910178680 priority Critical patent/CN102022825A/en
Publication of CN102022825A publication Critical patent/CN102022825A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

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  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The invention discloses a heat pump hot-water unit for recovering food grade residual heat which is of lower-level heat source and which is produced in a liquid-cooling and storage equipment used in the production process of the diary industry, the beverage industry, the wine industry and the pharmaceutical industry, etc. The heat pump hot-water assembly comprises a refrigerated tank, a circulating pump of the refrigerated tank, an evaporator, a high-temperature water case, a circulating pump of the high-temperature water case, a low-temperature water case, a circulating pump of the low-temperature case, a vapor-liquid separator, a compressor, a filter, a expansion valve, a high-temperature condenser and a low-temperature condenser. The advantages of the invention can be demonstrated in the following aspects: simple in structure; all components being able to be dismantled and washed; no need for energy; energy-saving and environmental-protective; capable of producing certain amount of high-temperature water and low-temperature water without additional input besides performs the function of freshness preservation through lowering temperature of refrigerated liquid.

Description

Food-grade heat pump of recovering residual heat hot water unit
Technical field:
The present invention relates to a kind of in industry production processes such as dairy industry production, beverage, the pharmacy of system wine, liquid cools bunkerage, the food-grade heat pump of recovering residual heat hot water unit of the recycling of the low level heat energy that is produced.
Background technology:
At present, in industry production processes such as dairy industry production, beverage, the pharmacy of system wine, need be with cooling packing or storages such as liquid such as fresh milk, beverage, injection medicines.Employed equipment mostly is unitary system cool equipment and cooling tower.With a large amount of low level heat energies of producing in the cooling procedure emitting in vain.And the huge cost height of employed equipment volume, the employed cold-producing medium freon of refrigeration plant does not meet environmental requirement yet.It is again necessary producing with hot water in these industries, and employed hot water preparation mode mostly is coal-fired, oil burning boiler, cost height, not environmental protection.
Summary of the invention:
The object of the present invention is to provide the energy-saving equipment of a kind of food beverage industry special low temperature thermal source recycling.
Of the present invention by following technical scheme enforcement: a kind of food-grade heat pump of recovering residual heat hot water unit, it includes cold-storage jar, cold-storage jar circulating pump, evaporimeter, high-temperature water tank, high temperature condenser, low-temperature condenser, high-temperature water tank circulating pump, low temperature water tank, low temperature water tank circulating pump, vapour liquid separator, compressor, filter and expansion valve; The refrigeration mouth that goes out of described cold-storage jar is communicated with the refrigeration mouth that advances of described evaporimeter, described evaporimeter goes out refrigeration and mouthful advances the refrigeration mouth with described cold-storage jar circulating pump and be communicated with, the circulation of described cold-storage jar is pumped refrigeration and mouthful is advanced the refrigeration mouth with described cold-storage jar and be communicated with, form the closed cycle of refrigeration liquid, the refrigeration liquid in the described cold-storage jar replaces thermal source and reaches the refrigerating fresh-keeping state with described evaporimeter through described cold-storage jar circulating pump circulation; Described evaporimeter sender property outlet is communicated with described vapour liquid separator working medium inlet, described vapour liquid separator sender property outlet is communicated with described compressor working medium inlet, described compressor sender property outlet is communicated with described high temperature condenser working medium inlet, described high temperature condenser sender property outlet is communicated with described low-temperature condenser working medium inlet, described low-temperature condenser sender property outlet is communicated with described filter working medium inlet, and described filter sender property outlet is communicated with described expansion valve working medium inlet; Described expansion valve sender property outlet is communicated with described evaporimeter working medium inlet, form the refrigeration working medium closed cycle, wherein said compressor shortens the liquid refrigeration working medium in the described evaporimeter into steam by the compression specific pressure and discharges, described expansion valve makes the throttling step-down when flowing through described expansion valve of refrigeration working medium liquid, becomes the warm steam-refrigerated working medium of low-temp low-pressure; Described high temperature condenser outlet pipe is communicated with described high-temperature water tank water inlet pipe, described high-temperature water tank outlet pipe is communicated with described high-temperature water tank circulating pump water inlet pipe, described high-temperature water tank circulating pump outlet pipe is communicated with described high temperature condenser water inlet pipe, form the high-temperature water closed cycle, water alternate cycles and the heating of the water in the described high-temperature water tank in described high-temperature water tank circulating pump circulation and described high temperature condenser; Described low-temperature condenser outlet pipe is communicated with described low temperature water tank water inlet pipe, described low temperature water tank outlet pipe is communicated with described low temperature water tank circulating pump water inlet pipe, described low temperature water tank circulating pump outlet pipe is communicated with described low-temperature condenser water inlet pipe, form the water at low temperature closed cycle, water alternate cycles and the heating of the water in the described low temperature water tank in described low temperature water tank circulating pump circulation and described low-temperature condenser.
Described evaporimeter comprises evaporator shell, refrigerant distributor and heat exchanger tube, and described refrigerant distributor and described heat exchanger tube place the inside cavity of described evaporator shell; Described evaporator shell is provided with evaporimeter and advances refrigeration mouthful and evaporimeter and go out refrigeration mouthful, and described evaporimeter advances refrigeration mouthful and described evaporimeter and goes out to refrigerate mouth and be communicated with the inside cavity of described evaporator shell; Also be provided with evaporimeter working medium inlet and evaporimeter sender property outlet on the described evaporator shell, described evaporimeter working medium inlet is communicated with described refrigerant distributor one end, and described evaporimeter sender property outlet is communicated with the described refrigerant distributor other end; Described refrigerant distributor is communicated with described heat exchanger tube, and the current-carrying in described refrigerant distributor and the described heat exchanger tube is liquid cryogenic refrigeration working medium, constantly absorbs the heat in refrigeration source, and the temperature of self is constantly risen, and the temperature of Niu Lengzang is constantly descended.
Described high temperature condenser and described low-temperature condenser are with a kind of structure, it comprises condenser shell, condenser refrigerant distributor and condenser heat exchanger tube, and described condenser refrigerant distributor and described condenser heat exchanger tube place the inside cavity of described condenser shell; Described condenser shell is provided with condenser working medium inlet and condenser sender property outlet, and described condenser working medium inlet is communicated with described condenser refrigerant distributor one end, and described condenser sender property outlet is communicated with the described condenser refrigerant distributor other end; Also be provided with condenser outlet pipe and condenser water inlet pipe on the described condenser shell, described condenser water inlet pipe and described condenser outlet pipe are communicated with the inside cavity of described condenser shell; Described condenser refrigerant distributor is communicated with described condenser heat exchanger tube, current-carrying in described condenser refrigerant distributor and the described condenser heat exchanger tube is the high-temperature vapour refrigeration working medium, the inside cavity of described condenser shell is the normal temperature water source, high-temperature vapour refrigeration working medium and normal temperature water source exchanged heat can make the temperature of water constantly rise, and the temperature of the high-temperature vapour refrigeration working medium in described condenser refrigerant distributor and the described condenser heat exchanger tube is alternately changed thereby finish thermal source in continuous decline.
Advantage of the present invention: simple in structure, each parts can be torn Xian respectively open, need not the energy, and energy-conserving and environment-protective when the cooling of refrigeration liquid is fresh-keeping, can also produce certain high temperature water and water at low temperature and the unnecessary input that do not increase.
Description of drawings:
Fig. 1 is a food-grade heat pump of recovering residual heat hot water unit structural representation;
Fig. 2 is the evaporation structure schematic diagram;
Fig. 3 is high temperature condenser (low-temperature condenser) structural representation.
Cold-storage jar 1, cold-storage jar circulating pump 2, evaporimeter 3, high-temperature water tank 4, condenser water inlet pipe 5, high-temperature water tank circulating pump 6, low temperature water tank 7, low temperature water tank circulating pump 8, vapour liquid separator 9, compressor 10, filter 11, expansion valve 12, high temperature condenser 13, low-temperature condenser 14, evaporator shell 15, refrigerant distributor 16, heat exchanger tube 17, evaporimeter advances refrigeration mouth 18, evaporimeter goes out refrigeration mouth 19, evaporimeter working medium inlet 20, evaporimeter sender property outlet 21, condenser shell 22, condenser refrigerant distributor 23, condenser heat exchanger tube 24, condenser working medium inlet 25, condenser sender property outlet 26, condenser outlet pipe 27.
The specific embodiment:
Embodiment: as Fig. 1, Fig. 2, shown in Figure 3, a kind of food-grade heat pump of recovering residual heat hot water unit includes cold-storage jar 1, cold-storage jar circulating pump 2, evaporimeter 3, high-temperature water tank 4, high temperature condenser 13, low-temperature condenser 14, high-temperature water tank circulating pump 6, low temperature water tank 7, low temperature water tank circulating pump 8, vapour liquid separator 9, compressor 10, filter 11 and expansion valve 12; The refrigeration mouth that goes out of cold-storage jar 1 is communicated with the refrigeration mouth that advances of evaporimeter 3, evaporimeter 3 goes out refrigeration and mouthful advances the refrigeration mouth with cold-storage jar circulating pump 2 and be communicated with, cold-storage jar circulating pump 2 goes out refrigeration and mouthful advances the refrigeration mouth with cold-storage jar 1 and be communicated with, form the closed cycle of refrigeration liquid, the refrigeration liquid in the cold-storage jar 1 replaces thermal source and reaches the refrigerating fresh-keeping state through 2 circulations of cold-storage jar circulating pump and evaporimeter 3; Evaporimeter 3 sender property outlets are communicated with vapour liquid separator 9 working medium inlet, vapour liquid separator 9 sender property outlets are communicated with compressor 10 working medium inlet, compressor 10 sender property outlets are communicated with high temperature condenser 13 working medium inlet, high temperature condenser 13 sender property outlets are communicated with low-temperature condenser 14 working medium inlet, and low-temperature condenser 14 sender property outlets are communicated with filter 11 working medium inlet; Filter 11 sender property outlets are communicated with expansion valve 12 working medium inlet; Expansion valve 12 sender property outlets are communicated with evaporimeter 3 working medium inlet, form the refrigeration working medium closed cycle, wherein compressor 10 shortens the liquid refrigeration working medium in the evaporimeter 3 into the steam discharge by the compression specific pressure, expansion valve 12 makes the throttling step-down when flowing through expansion valve 12 of refrigeration working medium liquid, becomes the warm steam-refrigerated working medium of low-temp low-pressure; High temperature condenser 13 outlet pipes are communicated with described high-temperature water tank 4 water inlet pipes, high-temperature water tank 4 outlet pipes are communicated with high-temperature water tank circulating pump 6 water inlet pipes, high-temperature water tank circulating pump 6 outlet pipes are communicated with high temperature condenser 13 water inlet pipes, form the high-temperature water closed cycle, the water that high-temperature water tank is 4 li is through the water alternate cycles of 13 li of 6 circulations of high-temperature water tank circulating pump and high temperature condensers and heat; Low-temperature condenser 14 outlet pipes are communicated with low temperature water tank 7 water inlet pipes, low temperature water tank 7 outlet pipes are communicated with low temperature water tank circulating pump 8 water inlet pipes, low temperature water tank circulating pump 8 outlet pipes are communicated with low-temperature condenser 14 water inlet pipes, form the water at low temperature closed cycle, the water that low temperature water tank is 7 li is through the water alternate cycles of 14 li of 8 circulations of low temperature water tank circulating pump and low-temperature condensers and heat.
Evaporimeter 3 comprises evaporator shell 15, refrigerant distributor 16, heat exchanger tube 17, and refrigerant distributor 16 and heat exchanger tube 17 place the inside cavity of evaporator shell 15; Evaporator shell 15 is provided with evaporimeter and advances refrigeration mouthfuls 18 and evaporimeter and go out refrigeration mouthfuls 19, and evaporimeter advances refrigeration mouthfuls 18 and evaporimeter and goes out refrigeration mouthfuls 19 and be communicated with the inside cavity of evaporator shell 15; Also be provided with evaporimeter working medium inlet 20 and evaporimeter sender property outlet 21 on the evaporator shell 15, evaporimeter working medium inlet 20 is communicated with refrigerant distributor 16 1 ends, and evaporimeter sender property outlet 21 is communicated with refrigerant distributor 16 other ends; Refrigerant distributor 16 is communicated with heat exchanger tube 17, and the current-carrying in refrigerant distributor 16 and the heat exchanger tube 17 is liquid cryogenic refrigeration working medium, constantly absorbs the heat in refrigeration source, and the temperature of self is constantly risen, and the temperature of Niu Lengzang is constantly descended.
High temperature condenser 13 and low-temperature condenser 14 are with a kind of structure, it comprises condenser shell 22, condenser refrigerant distributor 23 and condenser heat exchanger tube 24, and condenser refrigerant distributor 23 and condenser heat exchanger tube 24 place the inside cavity of condenser shell 22; Condenser shell 22 is provided with condenser working medium inlet 25 and condenser sender property outlet 26, and condenser working medium inlet 25 is communicated with condenser refrigerant distributor 23 1 ends, and condenser sender property outlet 26 is communicated with condenser refrigerant distributor 23 other ends; Also be provided with condenser outlet pipe 27 and condenser water inlet pipe 5 on the condenser shell 22, condenser outlet pipe 27 and condenser water inlet pipe 5 are communicated with the inside cavity of condenser shell 22; Condenser refrigerant distributor 23 is communicated with condenser heat exchanger tube 24, current-carrying in condenser refrigerant distributor 23 and the condenser heat exchanger tube 24 is the high-temperature vapour refrigeration working medium, the inside cavity of condenser shell 22 is the normal temperature water source, high-temperature vapour refrigeration working medium and normal temperature water source exchanged heat can make the temperature of water constantly rise, and the temperature of the high-temperature vapour refrigeration working medium in condenser refrigerant distributor 23 and the condenser heat exchanger tube 24 is alternately changed thereby finish thermal source in continuous decline.
Operation principle:
After compressed machine 10 compressions of refrigeration working medium, enter high temperature condenser 13 with the high-temperature steam form, high temperature condenser 13 is at first changed heat to high-temperature water tank 4, the steam that comes out from high temperature condenser 13 enters low-temperature condenser 14 again, low-temperature condenser 14 is changed steam heat to low temperature water tank 7 again, the refrigeration working medium that comes out from low-temperature condenser 14 enters expansion valve 12 with the low temperature vapour-liquid, through expansion valve 12 throttling step-downs, enter evaporimeter 3 with subzero 40 ℃, and in evaporimeter 3, absorb refrigeration source heat and enter the running status temperature, sucked the compression work of carrying out next time by compressor again.

Claims (3)

1. food-grade heat pump of recovering residual heat hot water unit, it is characterized in that it includes cold-storage jar, cold-storage jar circulating pump, evaporimeter, high-temperature water tank, condenser, high temperature condenser, low-temperature condenser, high-temperature water tank circulating pump, low temperature water tank, low temperature water tank circulating pump, vapour liquid separator, compressor, filter and expansion valve; The refrigeration mouth that goes out of described cold-storage jar is communicated with the refrigeration mouth that advances of described evaporimeter, described evaporimeter goes out refrigeration and mouthful advances the refrigeration mouth with described cold-storage jar circulating pump and be communicated with, the circulation of described cold-storage jar is pumped refrigeration mouthful and described cold-storage jar and is advanced refrigeration and mouthful is communicated with, and formation refrigerates the liquid closed cycle; Described evaporimeter sender property outlet is communicated with described vapour liquid separator working medium inlet, described vapour liquid separator sender property outlet is communicated with described compressor working medium inlet, described compressor sender property outlet is communicated with described high temperature condenser working medium inlet, described high temperature condenser sender property outlet is communicated with described low-temperature condenser working medium inlet, described low-temperature condenser sender property outlet is communicated with described filter working medium inlet, described filter sender property outlet is communicated with described expansion valve working medium inlet, described expansion valve sender property outlet is communicated with described evaporimeter working medium inlet, forms the refrigeration working medium closed cycle; Described high temperature condenser outlet pipe is communicated with described high-temperature water tank water inlet pipe, described high-temperature water tank outlet pipe is communicated with described high-temperature water tank circulating pump water inlet pipe, described high-temperature water tank circulating pump outlet pipe is communicated with described high temperature condenser water inlet pipe, forms the high-temperature water closed cycle; Described low-temperature condenser outlet pipe is communicated with described low temperature water tank water inlet pipe, described low temperature water tank outlet pipe is communicated with described low temperature water tank circulating pump water inlet pipe, described low temperature water tank circulating pump outlet pipe is communicated with described low-temperature condenser water inlet pipe, forms the water at low temperature closed cycle.
2. a kind of food-grade heat pump of recovering residual heat hot water unit according to claim 1, it is characterized in that, described evaporimeter comprises evaporator shell, refrigerant distributor and heat exchanger tube, and described refrigerant distributor and described heat exchanger tube place the inside cavity of described evaporator shell; Described evaporator shell is provided with evaporimeter and advances refrigeration mouthful and evaporimeter and go out refrigeration mouthful, and described evaporimeter advances refrigeration mouthful and described evaporimeter and goes out to refrigerate mouth and be communicated with the inside cavity of described evaporator shell; Also be provided with evaporimeter working medium inlet and evaporimeter sender property outlet on the described evaporator shell, described evaporimeter working medium inlet is communicated with described refrigerant distributor one end, and described evaporimeter sender property outlet is communicated with the described refrigerant distributor other end; Described refrigerant distributor is communicated with described heat exchanger tube.
3. a kind of food-grade heat pump of recovering residual heat hot water unit according to claim 1, it is characterized in that, described high temperature condenser and described low-temperature condenser are with a kind of structure, it comprises condenser shell, condenser refrigerant distributor and condenser heat exchanger tube, and described condenser refrigerant distributor and described condenser heat exchanger tube place the inside cavity of described condenser shell; Described condenser shell is provided with condenser working medium inlet and condenser sender property outlet, and described condenser working medium inlet is communicated with described condenser refrigerant distributor one end, and described condenser sender property outlet is communicated with the described condenser refrigerant distributor other end; Also be provided with condenser outlet pipe and condenser water inlet pipe on the described condenser shell, described condenser water inlet pipe and described condenser outlet pipe are communicated with the inside cavity of described condenser shell; Described condenser refrigerant distributor is communicated with described condenser heat exchanger tube.
CN 200910178680 2009-09-20 2009-09-20 A heat pump hot-water unit for recovering food grade residual heat recovery Pending CN102022825A (en)

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Application Number Priority Date Filing Date Title
CN 200910178680 CN102022825A (en) 2009-09-20 2009-09-20 A heat pump hot-water unit for recovering food grade residual heat recovery

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Application Number Priority Date Filing Date Title
CN 200910178680 CN102022825A (en) 2009-09-20 2009-09-20 A heat pump hot-water unit for recovering food grade residual heat recovery

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102778032A (en) * 2011-05-13 2012-11-14 内蒙古清源能源有限责任公司 Method and device for obtaining high-temperature hot water by utilizing waste heat from refrigeration
CN103835919A (en) * 2013-12-26 2014-06-04 江苏金通灵流体机械科技股份有限公司 Waste heat recovery system
CN108344031A (en) * 2018-03-28 2018-07-31 海安普豪生物能源有限公司 It is a kind of to utilize the outer hot-water supply of marsh gas power generation waste heat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102778032A (en) * 2011-05-13 2012-11-14 内蒙古清源能源有限责任公司 Method and device for obtaining high-temperature hot water by utilizing waste heat from refrigeration
CN102778032B (en) * 2011-05-13 2014-10-22 内蒙古清源能源有限责任公司 Method and device for obtaining high-temperature hot water by utilizing waste heat from refrigeration
CN103835919A (en) * 2013-12-26 2014-06-04 江苏金通灵流体机械科技股份有限公司 Waste heat recovery system
CN108344031A (en) * 2018-03-28 2018-07-31 海安普豪生物能源有限公司 It is a kind of to utilize the outer hot-water supply of marsh gas power generation waste heat

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Application publication date: 20110420