CN201392013Y - Multi-source heat pump hot water unit - Google Patents

Multi-source heat pump hot water unit Download PDF

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Publication number
CN201392013Y
CN201392013Y CN200920143283U CN200920143283U CN201392013Y CN 201392013 Y CN201392013 Y CN 201392013Y CN 200920143283 U CN200920143283 U CN 200920143283U CN 200920143283 U CN200920143283 U CN 200920143283U CN 201392013 Y CN201392013 Y CN 201392013Y
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Prior art keywords
heat exchanger
water
valve
inlet
export
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Expired - Fee Related
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CN200920143283U
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Chinese (zh)
Inventor
胡芃
黄邦兴
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Mount Holyoke County prosperous trade limited liability company
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黄邦兴
胡芃
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Abstract

The utility model relates to a multi-source heat pump hot water system employing residual heat of waste hot stemming from life and production, and implements the technical scheme that residual heat of waste hot water can be fully utilized through the heat pump hot water system with relatively-high performance under a low-temperature condition. In the utility model, a compressor is connected to the refrigerant inlet ends of an outdoor heat exchanger and a water-cooling heat exchanger through a three-way electromagnetic valve (14) respectively, the inlet of a three-way electromagnetic valve B is connected to the outlet end of a filter, the other two outlet ends are connected to the inlet ends of an expansion valve (9), a one-way valve and an expansion valve A respectively, the inlet of a three-way electromagnetic valve A is connected to the outlet end of the outdoor heat exchanger, two outlets are connected to the inlet ends of a gas-liquid separator and the one-way valve respectively, and the outlet end of the expansion valve A is connected to the refrigerant side inlet end of a second heat exchanger. The utility model can take either air or water as a heat source according to environments and working conditions, and can recycle and reutilize the waste heat of waste hot water stemming from life and production, with energy conservation and low operating cost. The utility model can be widely applied in places such as bathrooms, guesthouses and the like.

Description

Multiple source heat-pump hot-water unit
Technical field
The utility model relates to heat pump hot-water system and field of energy-saving technology, especially can utilize the multiple source heat pump hot-water system of life, production spent hot water waste heat.
Background technology
At present, bath center, hotel, hotel, factory, the school in the most of cities and towns of China, except that small part adopted the municipal heating systems heat supply, major part all adopted fuel boiler or electric boiler heat supply.The fuel boiler heating plant relies on direct coal combustion, oil or natural gas to obtain heat, and not only efficient is low, causes energy waste, and the carbon dioxide greenhouse gas and the flue dust serious environment pollution that produce; Electric boiler then directly is converted into heat energy to high-grade electric energy, and the available energy utilization rate is very low.Along with global energy crisis and people's constantly enhancing of energy-conserving and environment-protective consciousness, development of new energy-conserving and environment-protective heating plant has become the task of top priority.
Heat pump hot-water system is to utilize kind of refrigeration cycle, absorbs heat from low temperature environment by cold-producing medium, and compressed machine is compressed into high temperature and high pressure gas, condensation heat in condenser then, and the device of heat hot water has higher Energy Efficiency Ratio, and energy-saving potential is huge.Present heat pump hot-water system mainly is to be the air source heat pump of thermal source with the air and to be the water resource heat pump of thermal source with water.Air source heat pump system is simple, and it is convenient to use, when still using under low temperature environment, its heating capacity and performance demands number average reduce greatly, and row's temperature superelevation of compressor, easily frosting, system rise closes frequently, can't operate as normal, be difficult to satisfy the requirement of cold district Winter heat supply.For making the air source heat pump can stable, reliable, high efficiency operation under low temperature environment, many researchs and improvement have been carried out both at home and abroad, as adopt frequency control and spray system, adopt the auxiliary heating of fuel Heating and electricity, utilize the characteristic of compression in the screw compressor, set up gas supplementing opening at the screw compressor working chamber, ejector refrigeration agent gas forms accurate twin-stage circulation when worst cold case, or adopts the formula heat pump that changes again to solve the problem of heating capacity deficiency under the low temperature environment.But still there are problems such as defrosting difficulty, system complex, coupling be unreasonable in these technical measures.Water resource heat pump then is to be thermal source with the comparatively stable upper soll layer water of temperature, underground water, surface water source heat pump is higher to water quality requirement, and still affected by environment bigger, and also exist well expense height and groundwater recharge problem at present for groundwater heat pump.
There are more life in bath center, hotel, hotel, factory, school etc., produce hot water, also have higher temperature after general the use, if therefore it is collected the thermal source as heat pump hot-water system, can improve the heat pump Energy Efficiency Ratio, improve the winter operation performance.For example: it is with the spent hot water's preheating supplementing water that reclaims that air source hot pump water heater adds board-like heat exchanger recovery spent hot water's device (ZL 200720200650.6); The air source hot pump water heater (ZL 200620024573.9) of band waste heat recovery plant is on the basis of air source hot pump water heater, and the spent hot water's heat exchange evaporimeter that is placed in spent hot water's drip pan with air heat exchange evaporimeter in parallel comes recovery waste heat; Waste Heat Recovery Teat pump boiler (ZL 200520074064.2) carries out secondary heat exchange with evaporimeter after then utilizing spent hot water's preheating supplementing water again, and temperature is reduced to about 15 ℃ and drained.Though these devices have all carried out recycling in various degree to spent hot water's waste heat, but still abundant inadequately, in addition under many circumstances, only depend on the waste heat that uses heat pump to reclaim the spent hot water to come and be not enough hot water thermal insulating to the supplementing water heating.
Summary of the invention
In order to overcome the simple air-source heat pump hot water group and the use defective of source heat pump water heater group, make under the heat pump hot-water system low temperature and still higher performance can be arranged, and can make full use of spent hot water's waste heat, the utility model provides a kind of multiple source heat-pump hot-water unit.
The technical solution that realizes above-mentioned purpose is as follows:
Multiple source heat-pump hot-water unit comprises compressor 1, outdoor heat exchanger 7 and boiler 17;
The exhaust end of compressor 1 is connecting an inlet of three-way magnetic valve 14, two refrigerant inlet ends that export difference junction chamber external heat exchanger 7 and water cooling heat exchanger 13 in addition of three-way magnetic valve 14; The refrigerant outlet end of outdoor heat exchanger 7 is connecting the arrival end of three-way magnetic valve A6, and two outlets of three-way magnetic valve A6 connect the arrival end of gas-liquid separator 2 and check valve 5 respectively; The port of export of expansion valve A4 is connected with the refrigerant side arrival end of second heat exchanger 3; The refrigerant side port of export of second heat exchanger 3 connects gas-liquid separator 2 arrival ends; Gas-liquid separator 2 ports of export are connecting the inlet end of compressor 1; The refrigerant outlet end of water cooling heat exchanger 13 is being connected the inlet of three-way magnetic valve B10 with filter 11 by series connection reservoir 12, the port of export of three-way magnetic valve B10 is connecting the arrival end of expansion valve 9, and another port of export is connecting the port of export of check valve 5 and the arrival end of expansion valve A4;
Connecting between water cooling heat exchanger 13 boiler 17 of connecting, the port of export of boiler 17 and water cooling heat exchanger 13 links valve A16 and boiler water circulating pump 15; One port series connected valve 18 of spent hot water's heat exchanger 19, the outlet of valve 18 is connecting the outlet of valve A16, and the another port of spent hot water's heat exchanger 19 is connecting the refrigerant side of second heat exchanger 3 and is holding flatly.
Described outdoor heat exchanger 7 is the air type outdoor heat exchanger, and described second heat exchanger 3 is water-refrigerant heat exchanger.
Useful technique effect of the present utility model is embodied in, the outdoor heat exchanger in the multiple source heat pump hot-water system and second heat exchanger can utilize air and spent hot water's heat energy respectively, it when environment temperature is higher air source heat pump, when environment temperature is low is water resource heat pump, outdoor heat exchanger is as condenser during defrosting, and second heat exchanger utilizes the spent hot water to be thermal source, as evaporimeter, defrosting is effective, and does not influence the hot water temperature.The utility model has organically combined air source heat pump and water resource heat pump, and the scope of application is wide, and Energy Efficiency Ratio height, but cascade utilization spent hot water waste heat especially improve winter heating's performance, improves the defrosting effect, and is energy-saving and cost-reducing.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
Embodiment:
Referring to Fig. 1, multiple source heat-pump hot-water unit comprises compressor 1, gas-liquid separator 2, second heat exchanger 3, expansion valve A4, check valve 5, three-way magnetic valve A6, outdoor heat exchanger 7, blower fan 8, expansion valve 9, three-way magnetic valve B10, filter 11, reservoir 12, water cooling heat exchanger 13, three-way magnetic valve 14, boiler water circulating pump 15, valve A16, boiler 17, valve 18, spent hot water's heat exchanger 19, supplementing water 20 pipelines, spent hot water's pipeline 21.Wherein outdoor heat exchanger 7 is the air type outdoor heat exchanger, and second heat exchanger 3 is water-refrigerant heat exchanger.
The exhaust end of compressor 1 is connecting an inlet of three-way magnetic valve 14, two refrigerant inlet ends that export difference junction chamber external heat exchanger 7 and water cooling heat exchanger 13 in addition of three-way magnetic valve 14; The refrigerant outlet end of outdoor heat exchanger 7 is connecting the arrival end of three-way magnetic valve A6, and two outlets of three-way magnetic valve A6 connect the arrival end of gas-liquid separator 2 and check valve 5 respectively; The port of export of expansion valve A4 is connected with the refrigerant side arrival end of second heat exchanger 3; The refrigerant side port of export of second heat exchanger 3 connects gas-liquid separator 2 arrival ends; Gas-liquid separator 2 ports of export are connecting the inlet end of compressor 1; The refrigerant outlet end of water cooling heat exchanger 13 is being connected the inlet of three-way magnetic valve B10 with filter 11 by series connection reservoir 12, the port of export of three-way magnetic valve B10 is connecting the arrival end of expansion valve 9, and another port of export is connecting the port of export of check valve 5 and the arrival end of expansion valve A4;
Connecting between water cooling heat exchanger 13 boiler 17 of connecting, the port of export of boiler 17 and water cooling heat exchanger 13 links valve A16 and boiler water circulating pump 15; One port series connected valve 18 of spent hot water's heat exchanger 19, the outlet of valve 18 is connecting the outlet of valve A16, and the another port of spent hot water's heat exchanger 19 is connecting the refrigerant side of second heat exchanger 3 and is holding flatly.
Spent hot water in the utility model multiple source heat pump hot-water system after the collected filtration is preheating supplementing water 20 in spent hot water's heat exchanger 19 earlier, and then sends into second heat exchanger 3 and continue heat release as its thermal source, discharges at last.
(1) when outdoor environment temperature 〉=5 ℃, circulation process is: compressor 1 → three-way magnetic valve 14 → water cooling heat exchanger 13 → reservoir 12 → filter 11 → three-way magnetic valve B10 → expansion valve 9 → outdoor heat exchanger 7 → three-way magnetic valve A6 → gas-liquid separator 2 → compressor 1; This moment outdoor heat exchanger 7 for evaporimeter absorbs airborne heat, to be condenser heat the water of boiler 17 or supplementing water 20 water cooling heat exchanger 13.
(2) when environment temperature during at<5 ℃, circulation process is: compressor 1 → three-way magnetic valve 14 → water cooling heat exchanger 13 → reservoir 12 → filter 11 → three-way magnetic valve B10 → expansion valve A4 → second heat exchanger, 3 → gas-liquid separator, 2 → compressor 1; This moment, second heat exchanger 3 was an evaporimeter, absorbed the heat among the spent hot water, and water cooling heat exchanger 13 is water or supplementing water 20 heating of condenser to boiler 17.
Circulation process when (3) outdoor heat exchanger 7 of the present utility model defrosts is: compressor 1 → three-way magnetic valve 14 → outdoor heat exchanger 7 → three-way magnetic valve A6 → check valve 5 → expansion valve A4 → second heat exchanger, 3 → gas-liquid separator, 2 → compressor 1; This Defrost mode does not absorb the heat of attemperater, and water temperature is not had influence.
The utility model can be widely used in bath center, hotel, hotel, factory of school etc. and locate.

Claims (2)

1, multiple source heat-pump hot-water unit comprises compressor (1), outdoor heat exchanger (7) and boiler (17), it is characterized in that:
The exhaust end of compressor (1) is connecting an inlet of three-way magnetic valve (14), two refrigerant inlet ends that export difference junction chamber external heat exchanger (7) and water cooling heat exchanger (13) in addition of three-way magnetic valve (14); The refrigerant outlet end of outdoor heat exchanger (7) is connecting the arrival end of three-way magnetic valve A (6), and two outlets of three-way magnetic valve A (6) connect the arrival end of gas-liquid separator (2) and check valve (5) respectively; The port of export of expansion valve A (4) is connected with the refrigerant side arrival end of second heat exchanger (3); The refrigerant side port of export of second heat exchanger (3) connects gas-liquid separator (2) arrival end; Gas-liquid separator (2) port of export is connecting the inlet end of compressor (1); The refrigerant outlet end of water cooling heat exchanger (13) is being connected the inlet of three-way magnetic valve B (10) with filter (11) by series connection reservoir (12), the port of export of three-way magnetic valve B (10) is connecting the arrival end of expansion valve (9), and another port of export is connecting the port of export of check valve (5) and the arrival end of expansion valve A (4);
Connecting between water cooling heat exchanger (13) boiler (17) of connecting, the port of export of boiler (17) and water cooling heat exchanger (13) link valve A (16) and boiler water circulating pump (15); One port series connected valve (18) of spent hot water's heat exchanger (19), the outlet of valve (18) is connecting the outlet of valve A (16), and the another port of spent hot water's heat exchanger (19) is connecting the refrigerant side of second heat exchanger (3) and is holding flatly.
2, multiple source heat-pump hot-water unit according to claim 1, it is characterized in that: described outdoor heat exchanger (7) is the air type outdoor heat exchanger, and described second heat exchanger (3) is water-refrigerant heat exchanger.
CN200920143283U 2009-03-11 2009-03-11 Multi-source heat pump hot water unit Expired - Fee Related CN201392013Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN200920143283U CN201392013Y (en) 2009-03-11 2009-03-11 Multi-source heat pump hot water unit

Publications (1)

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CN201392013Y true CN201392013Y (en) 2010-01-27

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ID=41598836

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103512193A (en) * 2013-09-29 2014-01-15 广西比迪光电科技工程有限责任公司 Domestic water source heat pump water heater consuming sewage
CN104406297A (en) * 2014-11-14 2015-03-11 江门市达能环保节能科技有限公司 Heat pump water heater capable of recycling waste water afterheat and remotely transferring heat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103512193A (en) * 2013-09-29 2014-01-15 广西比迪光电科技工程有限责任公司 Domestic water source heat pump water heater consuming sewage
CN104406297A (en) * 2014-11-14 2015-03-11 江门市达能环保节能科技有限公司 Heat pump water heater capable of recycling waste water afterheat and remotely transferring heat

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20100827

Address after: 237200 Zhongxing North Road, Heng Mountain Town, Mount Holyoke County, Anhui Province, 110

Patentee after: Mount Holyoke County prosperous trade limited liability company

Address before: 230035 Swan room, Swan Garden, CO South Road, Hefei, Anhui, 302

Co-patentee before: Hu Pi

Patentee before: Huang Bangxing

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100127

Termination date: 20160311