CN204630150U - A kind of evaporation ends heating plant of gas-fired heat pump - Google Patents
A kind of evaporation ends heating plant of gas-fired heat pump Download PDFInfo
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- CN204630150U CN204630150U CN201520282112.0U CN201520282112U CN204630150U CN 204630150 U CN204630150 U CN 204630150U CN 201520282112 U CN201520282112 U CN 201520282112U CN 204630150 U CN204630150 U CN 204630150U
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- heat exchanger
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Abstract
The utility model discloses a kind of evaporation ends heating plant of gas-fired heat pump, it comprises solar thermal collector (1), condenser (3) and header tank (7), thermal-arrest heat exchanger (71) is provided with in described header tank (7), evaporation ends heat exchanger (72) and backwater heat exchanger (73), pass through to be connected into heat pipe through the go out hot junction of the first valve (15) with thermal-arrest heat exchanger (71) in one end of described solar thermal collector (1), its other end passes through heat pipe and is connected through the hot junction of entering of the second valve (14) with thermal-arrest heat exchanger (71), the first water pump (2) is provided with between described solar thermal collector (1) and the first valve (15).The utility model can not only overcome system for thermally labile, efficiency is low, energy consumption is large shortcoming, alleviates the deficiency of peak of power consumption electric power, and can solve the defrosting problem of winter air source gas-fired heat pump; Solar thermal collector area can be reduced again, thus save initial cost.
Description
Technical field
The utility model relates to new forms of energy, complementary heating plant field, is specifically related to a kind of evaporation ends heating plant of gas-fired heat pump.
Background technology
, there is the shortcoming that system effectiveness is low, energy consumption is large in single gas-fired heat pump device, and during using air as thermal source, winter, heat pump existed defrosting problem; Single solar heat pump installation, the stability of heating is difficult to be guaranteed.
Utility model content
The utility model object is to provide a kind of evaporation ends heating plant of gas-fired heat pump, and it can solve problem existing in background technology effectively.
In order to solve problem existing in background technology, it comprises solar thermal collector 1, condenser 3 and header tank 7, thermal-arrest heat exchanger 71 is provided with in described header tank 7, evaporation ends heat exchanger 72 and backwater heat exchanger 73, pass through to be connected with the hot junction that goes out of thermal-arrest heat exchanger 71 into heat pipe through the first valve 15 in one end of described solar thermal collector 1, its other end passes through heat pipe and is connected with the hot junction of entering of thermal-arrest heat exchanger 71 through the second valve 14, the first water pump 2 is provided with between described solar thermal collector 1 and the first valve 15, the top of described evaporation ends heat exchanger 72 is provided with evaporimeter 5, the water side of this evaporimeter 5 is connected through the water inlet end of expansion valve 4 with condenser 3 by conduit, the water inlet end of described evaporimeter 5 is connected through the water side of compressor 6 with condenser 3 by conduit, one end of described compressor 6 is connected with gas engine 13 by pipeline, the other end of this gas engine 13 is connected with combustion gas input, the top of described gas engine 13 is provided with cooling water heat exchanger 8, be connected with flue gas heat-exchange unit 9 by conduit bottom it, pass through to be connected with the hot junction of entering of heat user 11 into heat pipe through over-heat-exchanger 10 in one end of described flue gas heat-exchange unit 9, the hot junction that goes out of described heat user 11 is passed through heat pipe and is connected with conduit through over-heat-exchanger 10, described heat user 11 go out hot junction and entering between hot junction of heat exchanger 10 is provided with the second water pump 22, the water inlet end of described heat user 11 is connected with feed pipe 23 through the 3rd valve 20 by conduit, its water side is connected with drainpipe 24 through the 4th valve 21 by conduit, the other end of described flue gas heat-exchange unit 9 is connected with the hot junction that goes out of cooling water heat exchanger 8 by conduit, the hot junction of entering of described cooling water heat exchanger 8 is connected with condenser 3 by conduit, the other end of described condenser 3 is connected with drainpipe 24 through the 5th valve 19 by conduit, the hot junction of entering of described heat exchanger 10 is connected with feed pipe 23 through the 6th valve 18 by conduit, the other end of described 5th valve 19 is provided with the 3rd water pump 12, the hot junction of entering of described backwater heat exchanger 73 is arranged near the water side of the 3rd water pump 12, it goes out hot junction and is connected with conduit, the heat pipe that enters of described backwater heat exchanger 73 is provided with the 8th valve 17, it goes out heat pipe and is provided with the 7th valve 16, the hot junction that goes out of described heat exchanger 10 is arranged near the water inlet end of the 3rd water pump 12.
Owing to have employed above technical scheme, the utility model has following beneficial effect:
1. compare with gas only heat pump assembly, system can not only be overcome for thermally labile, efficiency is low, energy consumption is large shortcoming, alleviate the deficiency of peak of power consumption electric power, and the defrosting problem of winter air source gas-fired heat pump can be solved;
2. compare with single solar heat pump, the COP of heating system can improve further, solar thermal collector area can be reduced again, thus saving initial cost, simultaneously combined heat device, cloudy day or night can efficiently heat supplies, are not subject to the impact of outdoor weather, make it possible to removing auxiliary electrical heater system, while saving cost of equipment, electric energy can be saved further again.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model, below in conjunction with accompanying drawing, embodiment is briefly described.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of header tank in the utility model.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment being clearly and completely described.
Embodiment 1
Referring to Fig. 1-2, a kind of evaporation ends heating plant of gas-fired heat pump, it comprises solar thermal collector 1, condenser 3 and header tank 7, thermal-arrest heat exchanger 71 is provided with in described header tank 7, evaporation ends heat exchanger 72 and backwater heat exchanger 73, pass through to be connected with the hot junction that goes out of thermal-arrest heat exchanger 71 into heat pipe through the first valve 15 in one end of described solar thermal collector 1, its other end passes through heat pipe and is connected with the hot junction of entering of thermal-arrest heat exchanger 71 through the second valve 14, the first water pump 2 is provided with between described solar thermal collector 1 and the first valve 15, the top of described evaporation ends heat exchanger 72 is provided with evaporimeter 5, the water side of this evaporimeter 5 is connected through the water inlet end of expansion valve 4 with condenser 3 by conduit, the water inlet end of described evaporimeter 5 is connected through the water side of compressor 6 with condenser 3 by conduit, one end of described compressor 6 is connected with gas engine 13 by pipeline, the other end of this gas engine 13 is connected with combustion gas input, the top of described gas engine 13 is provided with cooling water heat exchanger 8, be connected with flue gas heat-exchange unit 9 by conduit bottom it, pass through to be connected with the hot junction of entering of heat user 11 into heat pipe through over-heat-exchanger 10 in one end of described flue gas heat-exchange unit 9, the hot junction that goes out of described heat user 11 is passed through heat pipe and is connected with conduit through over-heat-exchanger 10, described heat user 11 go out hot junction and entering between hot junction of heat exchanger 10 is provided with the second water pump 22, the water inlet end of described heat user 11 is connected with feed pipe 23 through the 3rd valve 20 by conduit, its water side is connected with drainpipe 24 through the 4th valve 21 by conduit, the other end of described flue gas heat-exchange unit 9 is connected with the hot junction that goes out of cooling water heat exchanger 8 by conduit, the hot junction of entering of described cooling water heat exchanger 8 is connected with condenser 3 by conduit, the other end of described condenser 3 is connected with drainpipe 24 through the 5th valve 19 by conduit, the hot junction of entering of described heat exchanger 10 is connected with feed pipe 23 through the 6th valve 18 by conduit, the other end of described 5th valve 19 is provided with the 3rd water pump 12, the hot junction of entering of described backwater heat exchanger 73 is arranged near the water side of the 3rd water pump 12, it goes out hot junction and is connected with conduit, the heat pipe that enters of described backwater heat exchanger 73 is provided with the 8th valve 17, it goes out heat pipe and is provided with the 7th valve 16, the hot junction that goes out of described heat exchanger 10 is arranged near the water inlet end of the 3rd water pump 12.
Embodiment 2
Referring to Fig. 1-2, first backwater after heat user 11 once heats through the condenser 3 of heat pump, the cooling water recover 8 (80-100 DEG C) entering gas engine 13 again carries out post bake, the off-gas recovery device 9 (exhaust gas temperature is generally at about 500 DEG C) entering gas engine 13 afterwards carries out three heating, finally entering heat exchanger 10 and carry out heat exchange with heat user 11, is user's heat supply.
Due to the different heating stages, the thermic load that user needs is change, when needs thermic load is larger, the heat supply of solar gas heat pump may can not meet, this just needs outer net to carry out concurrent heating, when needs thermic load is less, system can produce waste heat, and this just needs heat to deliver to outer net.Therefore consider from system heat balance, design following four kinds of heat supply modes:
Pattern one: when user's thermic load is equal with this device heating load, system independent operating, now the 6th valve 18, the 5th valve 19 are all closed, and needed for user, heating load is supplied separately by this device.
Pattern two: when user's thermic load is greater than this device heating load, this device and heat supply network cooperation, the 6th valve 18, the 5th valve 19 are closed, and the 3rd valve 20, the 4th valve 21 are opened, and heating load needed for user is by this device and heat supply network shared.
Pattern three: when this device breaks down, heat supply network isolated operation, the 6th valve 18, the 5th valve 19 are closed, and the 3rd valve 20, the 4th valve 21 are opened, and needed for user, heating load is supplied separately by heat supply network.
Pattern four: when user's thermic load is less than this device heating load, this device and heat supply network cooperation, the 6th valve 18, the 5th valve 19 are opened, and the 3rd valve 20, the 4th valve 21 are closed heating load needed for user by this device provisioning, and carried out concurrent heating to heat supply network.
Embodiment 3
Referring to Fig. 1-2, the present embodiment makes full use of the heat and user's backwater waste heat that solar thermal collector provides, and by the mutual switching of the second valve 14, first valve 15, the 7th valve 16, the 8th valve 17, realizes two kinds of heat supply running patterns:
1, when fair weather, second valve 14, first valve 15 is opened, 7th valve 16, the 8th valve 17 are closed, solar thermal collector 1 system starts, solar thermal collector 1 system can under the cryogenic conditions of 10-20 DEG C thermal-arrest, ensure that on the one hand the efficiency of higher solar thermal collector 1, make use of regenerative resource on the other hand, environmentally safe and solar energy resources is very abundant;
2, when cloudy day or night, 7th valve 16, the 8th valve 17 are opened, second valve 14, first valve 15 is closed, backwater bypass system starts, make a part of backwater after flowing through heat user 11 enter header tank 7 and carry out heat exchange, making water temperature in header tank 7 still remain on 10-20 DEG C by regulating the aperture of valve, making the evaporation ends temperature of heat pump relatively improve like this, condensation temperature reduces relatively, favourable to heating plant performance.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (1)
1. the evaporation ends heating plant of a gas-fired heat pump, it is characterized in that it comprises solar thermal collector (1), condenser (3) and header tank (7), thermal-arrest heat exchanger (71) is provided with in described header tank (7), evaporation ends heat exchanger (72) and backwater heat exchanger (73), pass through to be connected into heat pipe through the go out hot junction of the first valve (15) with thermal-arrest heat exchanger (71) in one end of described solar thermal collector (1), its other end passes through heat pipe and is connected through the hot junction of entering of the second valve (14) with thermal-arrest heat exchanger (71), the first water pump (2) is provided with between described solar thermal collector (1) and the first valve (15), the top of described evaporation ends heat exchanger (72) is provided with evaporimeter (5), the water side of this evaporimeter (5) is connected through the water inlet end of expansion valve (4) with condenser (3) by conduit, the water inlet end of described evaporimeter (5) is connected through the water side of compressor (6) with condenser (3) by conduit, one end of described compressor (6) is connected with gas engine (13) by pipeline, the other end of this gas engine (13) is connected with combustion gas input, the top of described gas engine (13) is provided with cooling water heat exchanger (8), be connected with flue gas heat-exchange unit (9) by conduit bottom it, pass through to be connected into heat pipe through the enter hot junction of over-heat-exchanger (10) with heat user (11) in one end of described flue gas heat-exchange unit (9), the hot junction that goes out of described heat user (11) is passed through heat pipe and is connected with conduit through over-heat-exchanger (10), described heat user (11) go out hot junction and entering between hot junction of heat exchanger (10) is provided with the second water pump (22), the water inlet end of described heat user (11) is connected with feed pipe (23) through the 3rd valve (20) by conduit, its water side is connected with drainpipe (24) through the 4th valve (21) by conduit, the other end of described flue gas heat-exchange unit (9) is connected by the hot junction that goes out of conduit with cooling water heat exchanger (8), the hot junction of entering of described cooling water heat exchanger (8) is connected with condenser (3) by conduit, the other end of described condenser (3) is connected with drainpipe (24) through the 5th valve (19) by conduit, the hot junction of entering of described heat exchanger (10) is connected with feed pipe (23) through the 6th valve (18) by conduit, the other end of described 5th valve (19) is provided with the 3rd water pump (12), the hot junction of entering of described backwater heat exchanger (73) is arranged near the water side of the 3rd water pump (12), it goes out hot junction and is connected with conduit, the heat pipe that enters of described backwater heat exchanger (73) is provided with the 8th valve (17), it goes out heat pipe and is provided with the 7th valve (16), the hot junction that goes out of described heat exchanger (10) is arranged near the water inlet end of the 3rd water pump (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520282112.0U CN204630150U (en) | 2015-04-29 | 2015-04-29 | A kind of evaporation ends heating plant of gas-fired heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520282112.0U CN204630150U (en) | 2015-04-29 | 2015-04-29 | A kind of evaporation ends heating plant of gas-fired heat pump |
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| CN204630150U true CN204630150U (en) | 2015-09-09 |
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| CN201520282112.0U Expired - Fee Related CN204630150U (en) | 2015-04-29 | 2015-04-29 | A kind of evaporation ends heating plant of gas-fired heat pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972681A (en) * | 2016-05-27 | 2016-09-28 | 沈阳建筑大学 | Water source heat pump-steam turbine and heat supply network complementary combined heating supply system |
-
2015
- 2015-04-29 CN CN201520282112.0U patent/CN204630150U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972681A (en) * | 2016-05-27 | 2016-09-28 | 沈阳建筑大学 | Water source heat pump-steam turbine and heat supply network complementary combined heating supply system |
| CN105972681B (en) * | 2016-05-27 | 2019-05-28 | 沈阳建筑大学 | Water resource heat pump-steam turbine combining heating system complementary with heat supply network |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20170429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |