CN101504190A - Waste hot water waste heat recovery type heat pump water heating system - Google Patents
Waste hot water waste heat recovery type heat pump water heating system Download PDFInfo
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Abstract
The invention relates to a hot wastewater waste-heat recovery type heat pump hot-water system by utilizing waste heat of domestic and industrial hot wastewater, which comprises a wastewater recycle pool, a hot water tank, a filter, a water source circulating water pump, a water source heat pump, a make-up water pipe, a heat preservation water tank, a hybrid resource heat pump, a circulating water pump, a make-up water resource heat pump, a wastewater heat exchanger, and a hot wastewater circulating water pump, wherein three groups of modular units, namely the water source heat pump, the make-up water resource heat pump and the hybrid resource heat pump can be cooperated to run, also can be used independently and have flexible combination and convenient operation. An outdoor heat exchanger and a second heat exchanger of the hybrid resource heat pump can utilize thermal energy of air and the hot wastewater respectively; and when the defrosting is performed, the outdoor heat exchanger is taken as a condenser, and the second heat exchanger utilizes the hot wastewater as a heat source and is taken as an evaporator, the system has good defrosting effect and does not influence hot water temperature. The heat pump hot-water system utilizes the waste heat in a step way, fully recovers the waste heat, and has energy conservation and consumption reduction after the hot wastewater is collected.
Description
Technical field
The present invention 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 make heat pump hot-water system still higher performance can be arranged at low temperatures, and can fully recycle spent hot water's waste heat, the invention provides a kind of waste hot water waste heat recovery type heat pump water heating system.
The technical solution used in the present invention is as follows:
Waste hot water waste heat recovery type heat pump water heating system comprises composite heat power supply pump 8, supplementing water water resource heat pump 10, water resource heat pump 5, waste water recovery pond 1, boiler 2, attemperater 7 and wastewater heat exchange device 11;
Described composite heat power supply pump comprises compressor 8.1, outdoor heat exchanger 8.7, second heat exchanger 8.3 and water cooling heat exchanger 8.13;
The exhaust end of compressor 8.1 is connecting the inlet of three-way magnetic valve C8.14, two refrigerant inlet ends that export difference junction chamber external heat exchanger 8.7 and water cooling heat exchanger 8.13 in addition of three-way magnetic valve C8.14; The refrigerant outlet end of outdoor heat exchanger 8.7 is connecting the arrival end of three-way magnetic valve A8.6, and two outlets of three-way magnetic valve A8.6 connect the arrival end of gas-liquid separator 8.2 and check valve 8.5 respectively; The port of export of expansion valve 8.4 is connected with refrigerant side arrival end with second heat exchanger 8.3; The refrigerant side port of export of second heat exchanger 8.3 connects gas-liquid separator 8.2 arrival ends; Gas-liquid separator 8.2 ports of export are connecting the inlet end of compressor 8.1; The refrigerant outlet end of water cooling heat exchanger 8.13 is being connected the inlet of three-way magnetic valve B8.10 with filter 8.11 by series connection reservoir (8.12), the port of export of three-way magnetic valve B8.10 is connecting the arrival end of expansion valve 8.9, and another outlet is connecting the port of export of check valve 8.5 and the arrival end of expansion valve 8.4; Be respectively equipped with A port and B port on second heat exchanger 8.3; Be respectively equipped with C port and D port on the water cooling heat exchanger 8.13;
Described supplementing water water resource heat pump comprises moisturizing compressor 10.2, the exhaust end of moisturizing compressor 10.2 is connecting the refrigerant inlet end of moisturizing condenser 10.1, connecting successively between the refrigerant outlet end of moisturizing condenser 10.1 and the refrigerant inlet end of moisturizing evaporimeter 10.3 moisturizing reservoir 10.6, moisturizing filter 10.5 and moisturizing expansion valve 10.4, the refrigerant outlet end of moisturizing evaporimeter 10.3 is connecting the inlet end of moisturizing compressor 10.2; Be respectively equipped with I port and J port on the moisturizing evaporimeter 10.3, be respectively equipped with K port and L port on the moisturizing condenser 10.1;
Described water resource heat pump comprises water source compressor 5.2, the exhaust end of water source compressor 5.2 is connecting the refrigerant inlet end of water source condenser 5.1, the inlet end of water source compressor 5.2 is connecting the refrigerant outlet end of water source gas-liquid separator 5.5, the refrigerant inlet end of water source gas-liquid separator 5.5 is connecting the refrigerant outlet end of water source evaporimeter 5.3, connecting between the refrigerant inlet end of water source evaporimeter 5.3 and the refrigerant outlet end of water source condenser 5.1 water source expansion valve 5.4, water source filter 5.6 and water source reservoir 5.7; Be respectively equipped with H port and G port on the water source condenser 5.1, be respectively equipped with E port and F port on the water source evaporimeter 5.3;
The outlet of described waste water recovery pond 1 is by effluent filter 12, spent hot water's water circulating pump 13 enters the mouth with the spent hot water of wastewater heat exchange device 11 and is connected, the spent hot water of wastewater heat exchange device 11 outlet and spent hot water in the supplementing water water resource heat pump 10 I port that enters the mouth is connected, the supplementing water arrival end of wastewater heat exchange device 11 is connected with a road of condensate make-up piping 6, the supplementing water port of export of spent hot water's heat exchanger 11 is connected with hot water inlet K port in the supplementing water water resource heat pump 10, the hot water outlet L port of the moisturizing condenser 10.1 in the supplementing water water resource heat pump 10 is connected with the supplementing water of attemperater 7 inlet, the spent hot water of the moisturizing evaporimeter 10.3 in the supplementing water water resource heat pump 10 exports J port and spent hot water in the water resource heat pump 5 E port that enters the mouth and is connected, and the spent hot water of the water source evaporimeter 5.3 in the water resource heat pump 5 exports F port and the spent hot water of the multiple source heat pump 8 A port that enters the mouth and links to each other; The spent hot water of second heat exchanger 8.3 in the multiple source heat pump 8 exports the B port and connects drainage pipeline, hot water inlet C port in the multiple source heat pump 8 links to each other with the hot water outlet pipe of attemperater 7, another hot water inlet D port links to each other with the hot water return pipe of attemperater 7, hot water inlet G port in the water source condenser 5.1 water side heat exchanger tube interfaces in the water resource heat pump 5 is being connected boiler 2 by water source water circulating pump 4 with filter 3, and the hot water outlet H port in the water resource heat pump 5 links to each other with the hot water return pipe of boiler 2; Another road of condensate make-up piping 6 directly is connected with attemperater 7.
The outdoor heat exchanger 8.7 in the multiple source heat pump 8 of the present invention and second heat exchanger 8.3 can utilize air and spent hot water's heat energy respectively, outdoor heat exchanger 8.7 is as condenser during defrosting, second heat exchanger 8.3 utilizes the spent hot water to be thermal source, as evaporimeter, defrosting is effective, and does not influence the hot water temperature.After the spent hot water was collected among the present invention, waste heat was reclaimed fully by cascade utilization.Three groups of heat-pump hot-water units among the present invention adopt modular constructions, but flexible combination, coupling also can independently use, easy to operate, energy-saving and cost-reducing.
Description of drawings
Fig. 1 is a heat pump hot-water system schematic diagram of the present invention;
Fig. 2 is the structural representation of the multiple source heat pump 8 in the heat pump hot-water system of the present invention;
Fig. 3 is the structural representation of the supplementing water water resource heat pump 10 in the heat pump hot-water system of the present invention;
Fig. 4 is the structural representation of the water resource heat pump 5 in the heat pump hot-water system of the present invention.
Among above-mentioned Fig. 1-Fig. 4, waste water recovery pond 1, boiler 2, filter 3, water source water circulating pump 4, water resource heat pump 5, condensate make-up piping 6, attemperater 7, multiple source heat pump 8, water circulating pump 9, supplementing water water resource heat pump 10, wastewater heat exchange device 11, filter 12, spent hot water's water circulating pump 13, control system 14, A, B, C, D, E, F, G, H, I, J, K, L are respectively the water route connecting interface of water resource heat pump 5, multiple source heat pump 8 and supplementing water water resource heat pump 10.
Among Fig. 2, compressor 8.1, gas-liquid separator 8.2, the second heat exchangers 8.3, expansion valve 8.4, check valve 8.5, three-way magnetic valve A8.6, outdoor heat exchanger 8.7, blower fan 8.8, expansion valve 8.9, three-way magnetic valve B8.10, filter 8.11, reservoir 8.12, water cooling heat exchanger 8.13, three-way magnetic valve C8.14, boiler water circulating pump 8.15, A are to enter the mouth from the spent hot water, B is spent hot water's outlet, and C is the hot water inlet, and D is a hot water outlet.
Among Fig. 3, moisturizing condenser 10-1, moisturizing compressor 10.2, moisturizing evaporimeter 10.3, moisturizing expansion valve 10.4, moisturizing filter 10.5, moisturizing reservoir 10.6, moisturizing gas-liquid separator 10.7, I is spent hot water's inlet, and J is spent hot water's outlet, and K is the hot water inlet, and L is a hot water outlet.
Among Fig. 4, water source condenser 5.1, water source compressor 5.2, water source evaporimeter 5.3, water source expansion valve 5.4, water source gas-liquid separator 5.5, water source filter 5.6, water source reservoir 5.7, E is spent hot water's inlet, and F is spent hot water's outlet, and G is the hot water inlet, and H is a hot water outlet.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described by embodiment.
Embodiment:
Referring to Fig. 1, waste hot water waste heat recovery type heat pump water heating system comprises waste water recovery pond 1, boiler 2, filter 3, water source water circulating pump 4, water resource heat pump 5, condensate make-up piping 6, attemperater 7, multiple source heat pump 8, water circulating pump 9, supplementing water water resource heat pump 10, wastewater heat exchange device 11, filter 12, spent hot water's water circulating pump 13, control system 14, A, B, C, D, E, F, G, H, I, J, K, L are respectively the water route connecting interface of water resource heat pump 5, multiple source heat pump 8 and supplementing water water resource heat pump 10.Wherein water resource heat pump 5, supplementing water water resource heat pump 10 and multiple source heat pump 8 three series of modular units can independence or cooperations.
Referring to Fig. 2, the composite heat power supply pump comprises compressor 8.1, outdoor heat exchanger 8.7, second heat exchanger 8.3 and water cooling heat exchanger 8.13;
The exhaust end of compressor 8.1 is connecting the inlet of three-way magnetic valve C8.14, two refrigerant inlet ends that export difference junction chamber external heat exchanger 8.7 and water cooling heat exchanger 8.13 in addition of three-way magnetic valve C8.14; Outdoor heat exchanger 8.7 outsides are provided with blower fan 8.8, and the refrigerant outlet end of outdoor heat exchanger 8.7 is connecting the arrival end of three-way magnetic valve A8.6, and two outlets of three-way magnetic valve A8.6 connect the arrival end of gas-liquid separator 8.2 and check valve 8.5 respectively; The port of export of expansion valve 8.4 is connected with refrigerant side arrival end with second heat exchanger 8.3; The refrigerant side port of export of second heat exchanger 8.3 connects gas-liquid separator 8.2 arrival ends; Gas-liquid separator 8.2 ports of export are connecting the inlet end of compressor 8.1; The refrigerant outlet end of water cooling heat exchanger 8.13 is being connected the inlet of three-way magnetic valve B8.10 with filter 8.11 by series connection reservoir 8.12, the port of export of three-way magnetic valve B8.10 is connecting the arrival end of expansion valve 8.9, and another outlet is connecting the port of export of check valve 8.5 and the arrival end of expansion valve 8.4; Be respectively equipped with A port and B port on second heat exchanger 8.3; Be respectively equipped with C port and D port on the water cooling heat exchanger 8.13, the C port is provided with boiler water circulating pump 8.15;
Referring to Fig. 3, supplementing water water resource heat pump mechanism comprises moisturizing compressor 10.2, the exhaust end of moisturizing compressor 10.2 is connecting the refrigerant inlet end of moisturizing condenser 10.1, connecting successively between the refrigerant outlet end of moisturizing condenser 10.1 and the refrigerant inlet end of moisturizing evaporimeter 10.3 moisturizing reservoir 10.6, moisturizing filter 10.5 and moisturizing expansion valve 10.4, the refrigerant outlet end of moisturizing evaporimeter 10.3 is connecting the inlet end of moisturizing compressor 10.2; Be respectively equipped with I port and J port on the moisturizing evaporimeter 10.3, be respectively equipped with K port and L port on the moisturizing condenser 10.1;
Referring to Fig. 4, water resource heat pump comprises water source compressor 5.2, the exhaust end of water source compressor 5.2 is connecting the refrigerant inlet end of water source condenser 5.1, the inlet end of water source compressor 5.2 is connecting the refrigerant outlet end of water source gas-liquid separator 5.5, the refrigerant inlet end of water source gas-liquid separator 5.5 is connecting the refrigerant outlet end of water source evaporimeter 5.3, connecting between the refrigerant inlet end of water source evaporimeter 5.3 and the refrigerant outlet end of water source condenser 5.1 water source expansion valve 5.4, water source filter 5.6 and water source reservoir 5.7; Be respectively equipped with H port and G port on the water source condenser 5.1, be respectively equipped with E port and F port on the water source evaporimeter 5.3;
The outlet of waste water recovery pond 1 is by effluent filter 12, spent hot water's water circulating pump 13 enters the mouth with the spent hot water of wastewater heat exchange device 11 and is connected, the spent hot water of wastewater heat exchange device 11 outlet and spent hot water in the supplementing water water resource heat pump 10 I port that enters the mouth is connected, enter moisturizing evaporimeter 10.3, the supplementing water arrival end of wastewater heat exchange device 11 and condensate make-up piping 6 a road and be connected, the supplementing water port of export of spent hot water's heat exchanger 11 is connected with hot water inlet K port in the supplementing water water resource heat pump 10, make the supplementing water after the preheating enter moisturizing condenser 10.1, the water outlet of moisturizing condenser 10.1 is connected with the supplementing water inlet of attemperater 7 by hot water outlet L port, spent hot water's water outlet of moisturizing evaporimeter 10.3 exports J port and spent hot water in the water resource heat pump 5 E port that enters the mouth by the spent hot water and is connected, make the spent hot water enter water source evaporimeter 5.3, spent hot water's water outlet of water source evaporimeter 5.3 exports F port and the spent hot water of the multiple source heat pump 8 A port that enters the mouth by the spent hot water and links to each other, make the spent hot water enter second heat exchanger 8.3, spent hot water's water outlet of second heat exchanger 8.3 exports the B port by the spent hot water and enters drainage pipeline, hot water inlet C port in the multiple source heat pump 8 links to each other with the hot water outlet pipe of attemperater 7, hot water inlet D port links to each other with the hot water return pipe of attemperater 7, hot water inlet G port in the water source condenser 5.1 water side heat exchanger tube interfaces in the water resource heat pump 5 is being connected boiler 2 by water source water circulating pump 4 with filter 3, and the hot water outlet H port in the water resource heat pump 5 links to each other with the hot water return pipe of boiler 2; Another road of condensate make-up piping 6 directly is connected with attemperater 7.
Condensate make-up piping 6 is divided into two-way, and one the tunnel enters attemperater 7 after waste heat exchanger 11 absorption waste water heats enter supplementing water water resource heat pump 10 absorption unit condensation heat, and another road supplementing water directly enters attemperater 7 when first via supplementing water is not enough.
The heated constant temperature circulation of boiler 2: after water source water circulating pump 4 enters water resource heat pump 5 absorption condensation heat, send boiler 2 back to by filter 3 when the coolant-temperature gage in the boiler 2 reduces and keep hot water constant temperature.
Spent hot water's heat recovery circulation: spent hot water's recovery pond 1 reclaims daily life, produces and use the spent hot water, the spent hot water who collects to wastewater heat exchange device 11 and supplementing water heat exchange, is discharged to sewer through filter 12, spent hot water's water circulating pump 13 after the spent hot water after the heat exchange enters supplementing water water resource heat pump 10, water resource heat pump 5, multiple source heat pump 8 each unit heat of evaporation of absorption more successively.
The inner loop of system of the present invention can be divided into 3 kinds of patterns:
(1) when outdoor environment temperature 〉=5 ℃, circulation process is: compressor 8.1 → three-way magnetic valve C8.14 → water cooling heat exchanger 8.13 → reservoir 8.12 → filter 8.11 → three-way magnetic valve B8.10 → expansion valve 8.9 → outdoor heat exchanger 8.7 → three-way magnetic valve A8.6 → gas-liquid separator 8.2 → compressor 8.1; This moment outdoor heat exchanger 8.7 for evaporimeter absorbs airborne heat, to be condenser heat the water of attemperater 7 water cooling heat exchanger 8.13.
(2) when environment temperature during at＜5 ℃, circulation process is: compressor 8.1 → three-way magnetic valve C8.14 → water cooling heat exchanger 8.13 → reservoir 8.12 → filter 8.11 → three-way magnetic valve B8.10 → expansion valve 8.4 → the second heat exchangers 8.3 → gas-liquid separator 8.2 → compressor 8.1; This moment, second heat exchanger 8.3 was an evaporimeter, absorbed the heat among the spent hot water, and water cooling heat exchanger 8.13 is the water heating of condenser to attemperater 7.
Circulation process when (3) outdoor heat exchanger 8.7 of multiple source heat pump 8 defrosts is: compressor 8.1 → three-way magnetic valve C8.14 → outdoor heat exchanger 8.7 → three-way magnetic valve A8.6 → check valve 8.5 → expansion valve 8.4 → the second heat exchangers 8.3 → gas-liquid separator 8.2 → compressor 8.1; This Defrost mode does not absorb the heat of attemperater 7, and water temperature is not had influence.
Circulation in the supplementing water water resource heat pump 10: the spent hot water after utilization and 11 heat exchanges of wastewater heat exchange device is as low-temperature heat source, with 10.3 heat exchange of moisturizing evaporimeter, the condensation heat heating that moisturizing condenser 10.1 discharges is by the supplementing water after spent hot water's preheating, and the supplementing water after the heating enters attemperater 7.
Circulation in the water resource heat pump 5: operation principle is identical with supplementing water water resource heat pump 10, spent hot water after utilization is absorbed heat by the moisturizing evaporimeter 10.3 of supplementing water water resource heat pump 10 makes low-temperature heat source, with 5.3 heat exchange of water source evaporimeter, the condensation heat that water source condenser 5.1 discharges is carried out heated constant temperature to the hot water of cooling in the boiler 2.
During Waste Heat Recovery type heat-pump hot-water unit overall operation of the present invention, collected spent hot water is by described spent hot water's heat recovery circular flow; When attemperater 7 lacks of water, start circulation in described condensate make-up piping 6 circulations and the supplementing water water resource heat pump 10; The hot water temperature is reduced under the desired temperature and prescribes a time limit in attemperater 7, starts circulation in the described multiple source heat pump 8, and switches circulation patterns in the multiple source heat pump 8 according to operating condition; The hot water temperature is reduced under the desired temperature and prescribes a time limit in boiler 2, starts circulation in the described water resource heat pump 5.But above-mentioned each circulation independent operating, but also cooperation.
When this embodiment was used for the bath center, boiler 2 can be bathing pool, and attemperater 7 can be used as the hot water for shower bath case; Also can be used for hotel, hotel etc. locates.
Claims (1)
1, waste hot water waste heat recovery type heat pump water heating system is characterized in that: comprise composite heat power supply pump (8), supplementing water water resource heat pump (10), water resource heat pump (5), waste water recovery pond (1), boiler (2), attemperater (7) and wastewater heat exchange device (11);
Described composite heat power supply pump comprises compressor (8.1), outdoor heat exchanger (8.7), second heat exchanger (8.3) and water cooling heat exchanger (8.13);
The exhaust end of compressor (8.1) is connecting the inlet of three-way magnetic valve C (8.14), two refrigerant inlet ends that export difference junction chamber external heat exchanger (8.7) and water cooling heat exchanger (8.13) in addition of three-way magnetic valve C (8.14); The refrigerant outlet end of outdoor heat exchanger (8.7) is connecting the arrival end of three-way magnetic valve A (8.6), and two outlets of three-way magnetic valve A (8.6) connect the arrival end of gas-liquid separator (8.2) and check valve (8.5) respectively; The port of export of expansion valve (8.4) is connected with refrigerant side arrival end with second heat exchanger (8.3); The refrigerant side port of export of second heat exchanger (8.3) connects gas-liquid separator (8.2) arrival end; Gas-liquid separator (8.2) port of export is connecting the inlet end of compressor (8.1); The refrigerant outlet end of water cooling heat exchanger (8.13) is being connected the inlet of three-way magnetic valve B (8.10) with filter (8.11) by series connection reservoir (8.12), the port of export of three-way magnetic valve B (8.10) is connecting the arrival end of expansion valve (8.9), and another outlet is connecting the port of export of check valve (8.5) and the arrival end of expansion valve (8.4); Be respectively equipped with A port and B port on second heat exchanger (8.3); Be respectively equipped with C port and D port on the water cooling heat exchanger (8.13);
Described supplementing water water resource heat pump comprises moisturizing compressor (10.2), the exhaust end of moisturizing compressor (10.2) is connecting the refrigerant inlet end of moisturizing condenser (10.1), connecting successively between the refrigerant inlet end of the refrigerant outlet end of moisturizing condenser (10.1) and moisturizing evaporimeter (10.3) moisturizing reservoir (10.6), moisturizing filter (10.5) and moisturizing expansion valve (10.4), the refrigerant outlet end of moisturizing evaporimeter (10.3) is connecting the inlet end of moisturizing compressor (10.2); Be respectively equipped with I port and J port on the moisturizing evaporimeter (10.3), be respectively equipped with K port and L port on the moisturizing condenser (10.1);
Described water resource heat pump comprises water source compressor (5.2), the exhaust end of water source compressor (5.2) is connecting the refrigerant inlet end of water source condenser (5.1), the inlet end of water source compressor (5.2) is connecting the refrigerant outlet end of water source gas-liquid separator (5.5), the refrigerant inlet end of water source gas-liquid separator (5.5) is connecting the refrigerant outlet end of water source evaporimeter (5.3), the water source expansion valve (5.4) of connecting between the refrigerant outlet end of the refrigerant inlet end of water source evaporimeter (5.3) and water source condenser (5.1), water source filter (5.6) and water source reservoir (5.7); Be respectively equipped with H port and G port on the water source condenser (5.1), be respectively equipped with E port and F port on the water source evaporimeter (5.3);
The outlet of described waste water recovery pond (1) is by effluent filter (12), spent hot water's water circulating pump (13) enters the mouth with the spent hot water of wastewater heat exchange device (11) and is connected, the spent hot water of wastewater heat exchange device (11) outlet and spent hot water in the supplementing water water resource heat pump (10) the I port that enters the mouth is connected, the supplementing water arrival end of wastewater heat exchange device (11) is connected with a road of condensate make-up piping (6), the supplementing water port of export of spent hot water's heat exchanger (11) is connected with hot water inlet K port in the supplementing water water resource heat pump (10), the hot water outlet L port of the moisturizing condenser (10.1) in the supplementing water water resource heat pump (10) is connected with the supplementing water of attemperater (7) inlet, the spent hot water of the moisturizing evaporimeter (10.3) in the supplementing water water resource heat pump (10) exports J port and spent hot water in the water resource heat pump (5) the E port that enters the mouth and is connected, and the spent hot water of the water source evaporimeter (5.3) in the water resource heat pump (5) exports F port and the spent hot water of multiple source heat pump (8) the A port that enters the mouth and links to each other; The spent hot water of second heat exchanger (8.3) in the multiple source heat pump (8) exports the B port and connects drainage pipeline, hot water inlet C port in the multiple source heat pump (8) links to each other with the hot water outlet pipe of attemperater (7), another hot water inlet D port links to each other with the hot water return pipe of attemperater (7), hot water inlet G port in water source condenser (5.1) the water side heat exchanger tube interface in the water resource heat pump (5) is being connected boiler (2) by water source water circulating pump (4) with filter (3), and the hot water outlet H port in the water resource heat pump (5) links to each other with the hot water return pipe of boiler (2); Another road of condensate make-up piping (6) directly is connected with attemperater (7).
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| CNA2009101163221A CN101504190A (en) | 2009-03-11 | 2009-03-11 | Waste hot water waste heat recovery type heat pump water heating system |
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| CN101852517A (en) * | 2010-06-22 | 2010-10-06 | 哈尔滨工业大学 | Reclaimed water heat energy recycling and reusing integrated equipment suitable for villa buildings |
| CN101957063A (en) * | 2010-10-15 | 2011-01-26 | 浙江大学 | All-weather solar and sewage energy mixed auxiliary heat pump water heater system |
| CN102287968A (en) * | 2011-06-16 | 2011-12-21 | 齐齐哈尔轨道交通装备有限责任公司 | Circulating water waste heat recovery and comprehensive utilization system |
| EP2525157A2 (en) | 2011-05-18 | 2012-11-21 | Armines | Method for producing a flow of hot water and associated system |
| CN103398627A (en) * | 2013-08-19 | 2013-11-20 | 大连交通大学 | Multi-source fluid waste heat recovery and comprehensive utilization system |
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