CN103673381B - Novel full-year heat recovery air-cooled heat pump unit - Google Patents
Novel full-year heat recovery air-cooled heat pump unit Download PDFInfo
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- CN103673381B CN103673381B CN201310566879.1A CN201310566879A CN103673381B CN 103673381 B CN103673381 B CN 103673381B CN 201310566879 A CN201310566879 A CN 201310566879A CN 103673381 B CN103673381 B CN 103673381B
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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Abstract
The invention relates to a novel full-year heat recovery air-cooled heat pump unit. The novel full-year heat recovery air-cooled heat pump unit comprises a vapor compression cycle system composed of a compressor, a heat recovery heat exchanger, a four-way reversing valve, a finned heat exchanger, a one-way valve assembly, a liquid storage device, a drying and filtering device, a throttling device, an air conditioner side heat exchanger, a gas-liquid separator and magnetic valves. The four-way reversing valve and the two magnetic valves are adopted for achieving refrigerating, heating, refrigerating and heat recovering of hot water, heating and heat recovering of hot water, independent water heating, and heat recovery energy adjusting. The novel full-year heat recovery air-cooled heat pump unit has the advantages of being efficient, saving energy, and being relatively simple in system configuration and capable of adjusting recovered heat and achieving the heating and hot water recovery function.
Description
Technical field
The invention belongs to air-conditioning system technical field, especially a kind of novel annual recuperation of heat Air-Cooled Heat Pump Unit.
Background technology
In short supply along with world energy sources, each state all establishes the national economic development target of energy-saving and emission-reduction, and China also makes laws and is defined as fundamental state policy by economizing on resources.At field of heating ventilation air conditioning, how effective use of energy sources, how to set up efficient system solution, how to improve product comprehensive effectiveness, these become the research emphasis in industry.
Condensation heat for cold (heat) source device unit when freezing is drained in the middle of air by the air-cooled condensing unit of cooling tower or equipment itself.This part condensation heat radiation is recycled to systems such as domestic hot-waters by increasing application places now, decreases the thermal pollution to air, also improves the utilization rate of the energy simultaneously.At present for employing heat recovery technology Air-Cooled Heat Pump Unit, substantially be all the part or all of waste-heat recovery device of the fixing yield of design, operational mode adopts refrigeration more, refrigeration heating recovery, heat, recuperation of heat four patterns, run while cannot realizing total heat recovery and heating, the adaptive capacity for system requirements is not strong.Simultaneity factor design is also comparatively complicated, and great majority adopt two cold-producing medium transfer valves and some magnetic valves to carry out power and energy.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence; and a kind of novel annual recuperation of heat Air-Cooled Heat Pump Unit is provided; its adjustable range of recuperation of heat amount is according to the actual requirements 15%-100%; and recuperation of heat can be realized and heat without the need to shutting down associated working; system is simple; only need 1 cold-producing medium transfer valve and 2 magnetic valves, there is energy-efficient feature, the feature that system requirements are adaptable.
The object of the invention is to have come by following technical solution, it comprises by compressor, heat recovering heat exchanger, four-way change-over valve, finned heat exchanger, check valve assembly, reservoir, device for drying and filtering, throttling arrangement, domestic hot water side heat exchanger, gas-liquid separator, the vapor-compression cycle system of magnetic valve composition, described vapor-compression cycle system, by compressor, heat recovering heat exchanger, four-way change-over valve, finned heat exchanger, check valve assembly, reservoir, device for drying and filtering, throttling arrangement, domestic hot water side heat exchanger, the refrigerant vapor compression cycle system that gas-liquid separator is connected successively and is formed.The four-way change-over valve be provided with in described vapor-compression cycle system is connected with heat recovering heat exchanger, finned heat exchanger, domestic hot water side heat exchanger, gas-liquid separator respectively.The refrigerant side of described heat recovering heat exchanger is provided with four refrigerant side interfaces, i.e. a1, a2, a3 interface, a4 interface; This a1 is connected with compressor, a2 is connected with four-way change-over valve, a3 interface is connected with check valve assembly, a4 interface is connected with reservoir.
As preferably, described vapor-compression cycle system also comprises two bypass branch with the first magnetic valve, the second magnetic valve, and the second magnetic valve is between heat recovering heat exchanger a3 and a4 interface, and the first magnetic valve is between domestic hot water side heat exchanger c1 and c2 interface.Realize freeze by a four-way change-over valve and the first magnetic valve, the second magnetic valve, heat ,+recuperation of heat the hot water that freezes, heat+recuperation of heat hot water, independent water heating and recuperation of heat energy adjustment.
As preferably, described compressor is scroll compressor or screw compressor.
Adopt after said structure, the present invention compared to the prior art advantageously:
1, device adopts the heat recovering heat exchanger with four refrigerant side interfaces, and can realize elementary heat and reclaim and adjustable heat recovery function zoning design, organic efficiency is higher;
2, apparatus design has two with the bypass branch of magnetic valve, between heat recovering heat exchanger a3 and a4 interface, and between domestic hot water side heat exchanger c1 and c2 interface, adjust the refrigerant feed liquid amount of heat recovering heat exchanger, recuperation of heat amount can be realized and automatically regulate in 15%-100% scope.
Accompanying drawing explanation
Fig. 1 is systematic schematic diagram of the present invention.
Label in accompanying drawing is respectively: 1, compressor; 2, heat recovering heat exchanger; 3, four-way change-over valve; 41, finned heat exchanger; 42, axial flow blower; 5, check valve assembly; 6, reservoir; 7, device for drying and filtering; 8, throttling arrangement; 9, domestic hot water side heat exchanger; 10, gas-liquid separator; 11, the first magnetic valve; 12, the second magnetic valve; 51, the first check valve; 52, the second check valve; 53, the 3rd check valve; 54, the 4th check valve; 55, the 5th check valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed introduction is done to the present invention: as shown in Figure 1, a kind of novel annual recuperation of heat Air-Cooled Heat Pump Unit that the present invention proposes, comprise compressor 1, heat recovering heat exchanger 2, four-way change-over valve 3, finned heat exchanger 41, check valve assembly 5, reservoir 6, device for drying and filtering 7, throttling arrangement 8, domestic hot water side heat exchanger 9, gas-liquid separator 10, first magnetic valve 11, the vapor-compression cycle system of the second composition such as magnetic valve 12 grade, and realize refrigeration by a four-way change-over valve 3 and the first magnetic valve 11 and the second magnetic valve 12, heat, refrigeration+recuperation of heat hot water, heat+recuperation of heat hot water, independent water heating and recuperation of heat energy adjustment,
Above-mentioned vapor-compression cycle system, when kind of refrigeration cycle, it is gaseous refrigerant that liquid refrigerant in domestic hot water side heat exchanger 9 absorbs heat of vaporization, by four-way change-over valve 3 and gas-liquid separator 10, enter after compressor 1 inlet-pressure shortens gases at high pressure into and discharge, enter finned heat exchanger 41 by heat regenerator 2, and open axial flow blower 42, wind-force takes away condenser heat.Gaseous refrigerant condenses is the liquid refrigerant of high pressure, then through the first check valve 51, second magnetic valve 12, flow to reservoir 6, device for drying and filtering 7, and become low pressure refrigerant by throttling arrangement 8, get back in domestic hot water side heat exchanger 9 through the second check valve 52, circularly cooling again and again.
Above-mentioned vapor-compression cycle system, under refrigeration and recuperation of heat hot water jointly control pattern, be with kind of refrigeration cycle difference, hot water enters heat recovering heat exchanger and takes away partial condensation heat in such a mode, when water heating increase in demand, the condenser heat that axial flow blower opening or rotating speed are taken away to be reduced by finned heat exchanger side need be controlled, control by the on off state of the second magnetic valve 12 refrigerant flow entering heat recovering heat exchanger a3 interface simultaneously, thus regulate the condenser heat that hot water is taken away at heat recovering heat exchanger.
Above-mentioned vapor-compression cycle system, is heating circulation time, and four-way change-over valve 3 obtains electric, and refrigerant circulation direction changes.It is gaseous refrigerant that liquid refrigerant in finned heat exchanger 41 absorbs heat of vaporization, by with gas-liquid separator 10 four-way change-over valve 3, enter after compressor 1 inlet-pressure shortens gases at high pressure into and discharge, the liquid refrigerant that domestic hot water side heat exchanger 9 is condensed into high pressure is entered by heat regenerator 2, then through the 3rd check valve 53, second magnetic valve 12, flow to reservoir 6, device for drying and filtering 7, and become low pressure refrigerant by throttling arrangement 8, get back in finned heat exchanger 41 through the 4th check valve 54, circulation again and again heats.
Above-mentioned vapor-compression cycle system, under heating and jointly controlling pattern with recuperation of heat hot water, four-way change-over valve 3 obtains electric, with heat circulation difference and be, hot water enters heat recovering heat exchanger absorption condensation heat, and unit, according to heating the different demands with water heating, controls the on off state of the first magnetic valve 11 and the second magnetic valve 12, control the refrigerant flow entering heat recovering heat exchanger a3 interface and condenser, thus regulate recuperation of heat energy.
Above-mentioned vapor-compression cycle system, under independent water heating pattern, four-way change-over valve 3 obtains electric, and refrigerant circulation direction changes.It is gaseous refrigerant that liquid refrigerant in finned heat exchanger 41 absorbs heat of vaporization, by with gas-liquid separator 10 four-way change-over valve 3, enter after compressor 1 inlet-pressure shortens gases at high pressure into and discharge, by heat regenerator 2, the liquid refrigerant that heat recovering heat exchanger a3 mouth is condensed into high pressure is entered through the first magnetic valve 11 and the 3rd check valve 53, then reservoir 6 is flowed to, device for drying and filtering 7, and become low pressure refrigerant by throttling arrangement 8, then flow through the 4th check valve 54 and get back in finned heat exchanger 41.Hot water takes away whole condenser heat in heat recovering heat exchanger, and circulate hot water preparing again and again.
Be understandable that, for a person skilled in the art, technical scheme of the present invention and inventive concept be equal to and replace or change the protection domain that all should belong to the claim appended by the present invention.
Claims (3)
1. a novel annual recuperation of heat Air-Cooled Heat Pump Unit, comprise by compressor (1), heat recovering heat exchanger (2), four-way change-over valve (3), finned heat exchanger (41), check valve assembly (5), reservoir (6), device for drying and filtering (7), throttling arrangement (8), domestic hot water side heat exchanger (9), gas-liquid separator (10), the vapor-compression cycle system of magnetic valve composition, it is characterized in that: described vapor-compression cycle system is by compressor (1), heat recovering heat exchanger (2), four-way change-over valve (3), finned heat exchanger (41), check valve assembly (5), reservoir (6), device for drying and filtering (7), throttling arrangement (8), domestic hot water side heat exchanger (9), the refrigerant vapor compression cycle system that gas-liquid separator (10) is connected successively and is formed, the four-way change-over valve (3) be provided with in described vapor-compression cycle system is connected with heat recovering heat exchanger (2), finned heat exchanger (41), domestic hot water side heat exchanger (9), gas-liquid separator (10) respectively, the refrigerant side of described heat recovering heat exchanger (2) is provided with four refrigerant side interfaces, i.e. first interface (a1), the second interface (a2), the 3rd interface (a3) and the 4th interface (a4), this first interface (a1) is connected with compressor (1), the second interface (a2) is connected with four-way change-over valve (3), the 3rd interface (a3) is connected with check valve assembly (5), the 4th interface (a4) is connected with reservoir (6).
2. novel annual recuperation of heat Air-Cooled Heat Pump Unit according to claim 1, it is characterized in that: described vapor-compression cycle system also comprises two bypass branch with the first magnetic valve (11), the second magnetic valve (12), second magnetic valve (12) is between the 3rd interface (a3) and the 4th interface (a4) of heat recovering heat exchanger (2), and the first magnetic valve (11) is between the 5th interface (c1) and the 6th interface (c2) of domestic hot water side heat exchanger (9).
3. novel annual recuperation of heat Air-Cooled Heat Pump Unit according to claim 1, is characterized in that: described compressor (1) is scroll compressor or screw compressor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310566879.1A CN103673381B (en) | 2013-11-14 | 2013-11-14 | Novel full-year heat recovery air-cooled heat pump unit |
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| CN201310566879.1A CN103673381B (en) | 2013-11-14 | 2013-11-14 | Novel full-year heat recovery air-cooled heat pump unit |
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| CN103673381A CN103673381A (en) | 2014-03-26 |
| CN103673381B true CN103673381B (en) | 2015-07-22 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6592932B2 (en) * | 2015-03-27 | 2019-10-23 | 富士電機株式会社 | Refrigerant circuit device |
| CN106839492A (en) * | 2015-12-03 | 2017-06-13 | 李衡 | A kind of low-cost high-efficiency energy novel air source heat pump combined supply system |
| CN106322826A (en) * | 2016-05-28 | 2017-01-11 | 河南惠康人工环境设备有限公司 | Water-air dual-purpose heat pump water heater unit for recovering waste heat |
| CN106705394A (en) * | 2016-12-19 | 2017-05-24 | 珠海格力电器股份有限公司 | Heat recovery system for air conditioning unit and control method of heat recovery system |
| CN107514814A (en) * | 2017-08-31 | 2017-12-26 | 郑州云宇新能源技术有限公司 | Barber shop's Multifunctional heat pump water heater |
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| CN103673381A (en) | 2014-03-26 |
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Address after: 322100 Zhejiang province north of the city of Dongyang City Industrial District Guangfu Street No. 1233 Patentee after: Zhejiang CISCO refrigeration Limited by Share Ltd Address before: 322100 Zhejiang City, Dongyang Economic Development Zone, north of the city of Songgang District, the new B-6 functional block Patentee before: Zhejiang Sinoking Air-conditioning & Refrigeration Co., Ltd. |