CN211204190U - Energy-saving heat recovery water source heat pump system - Google Patents
Energy-saving heat recovery water source heat pump system Download PDFInfo
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- CN211204190U CN211204190U CN201922332511.4U CN201922332511U CN211204190U CN 211204190 U CN211204190 U CN 211204190U CN 201922332511 U CN201922332511 U CN 201922332511U CN 211204190 U CN211204190 U CN 211204190U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat 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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Abstract
The utility model relates to a heat recovery field. An energy-efficient heat recovery water source heat pump system comprising: the system comprises a water source heat pump unit, a direct supply heat exchanger, a heat recovery heat exchanger, a high-temperature pool and a low-temperature pool; in a time period with a smaller heat load, the requirements of heating and hot water are met through the direct supply heat exchanger; in a time period with a large heat load, the water source heat pump unit is started, and the requirements of heating and hot water are met by combining the direct supply heat exchanger; in the refrigeration stage in summer, the hot water requirement can be met while refrigeration is carried out; hot water can be provided through the direct supply heat exchanger in the transition season; the heat of the primary heat source can be fully utilized to achieve the effect of energy conservation; the performance problem of the compressor can be reasonably avoided, and the heat recovery problem is solved.
Description
Technical Field
The utility model belongs to the technical field of heat recovery and specifically relates to an energy-saving heat recovery water source heat pump system.
Background
The prior art comprises and has the structure that: the traditional water source heat pump heat recovery system comprises a water source heat pump unit, a heat exchanger, a system water circulating pump, an intermediate water circulating pump, a water supplementing system and the like. The heat source of once giving intermediary's water side through the heat exchanger with heat transfer, and the heat of intermediary's water promotes through water source heat pump set's secondary, gives the end water for, and end water is carried to the user side through system water circulating pump.
The method has the following defects: when the temperature of the heat source is too high, although the temperature is reduced by the intermediate water, the heat left by the heat source is not fully utilized, so that the energy is wasted; due to the limitation of the performance of the compressor of the water source heat pump unit, a heat source with an over-high temperature cannot directly enter the unit, and the heat exchange of the heat exchanger and the re-entering of the unit wastes energy resources and increases investment.
SUMMERY OF THE UTILITY MODEL
The problem of the unable unit of directly advancing of heat source in order to solve high temperature heat source can not the rational utilization and too high temperature, the utility model provides an energy-saving heat recovery water source heat pump system can make full use of a heat source, reaches energy-conserving effect to can rationally avoid compressor performance problem, effectively carry out heat recovery.
The utility model provides a technical scheme that its technical problem adopted provides an energy-saving heat recovery water source heat pump system, include: the system comprises a water source heat pump unit, a direct supply heat exchanger, a heat recovery heat exchanger, a high-temperature pool and a low-temperature pool; the inlet pipeline of the condenser of the water source heat pump unit is divided into two paths, one path is connected to the outlet of the tail end water circulating pump through a valve b, and the other path is connected to the intermediate water outlet of the heat recovery heat exchanger through a valve f; the outlet pipeline of the condenser of the water source heat pump unit is divided into two paths, one path is connected to a tail end water supply pipe through a valve d, and the other path is connected to the inlet of the intermediate water circulating pump through a valve h; the inlet pipeline of the water source heat pump unit evaporator is divided into two paths, one path is connected to the outlet of the tail end water circulating pump through a valve a, and the other path is connected to the intermediate water outlet of the heat recovery heat exchanger through a valve e; the outlet pipeline of the water source heat pump unit evaporator is divided into two paths, one path is connected to a tail end water supply pipe through a valve c, and the other path is connected to an inlet of an intermediate water circulating pump through a valve g; an outlet of the intermediate water circulating pump is connected to an intermediate water inlet of the heat recovery heat exchanger, a heat source inlet of the heat recovery heat exchanger is connected to a low-temperature pool outlet, and a heat source outlet of the heat recovery heat exchanger is connected to a low-temperature pool inlet; the tail end water outlet of the direct supply heat exchanger is connected to a tail end water supply pipe, the tail end water inlet of the direct supply heat exchanger is connected to the outlet of a tail end water circulating pump, the heat source outlet of the direct supply heat exchanger is connected to the inlet of the high-temperature pool, and the heat source inlet of the direct supply heat exchanger is connected to the outlet of the high-temperature pool; the heat source outlet of the direct supply heat exchanger is connected to the inlet of the low-temperature pool through a pipeline; the inlet of the tail end water circulating pump is connected to a tail end water return pipe.
Furthermore, a tail end water constant-pressure water replenishing device is further arranged and connected to an inlet of the tail end water circulating pump.
Furthermore, an intermediary water constant-pressure water replenishing device is further arranged and connected to the inlet of the intermediary water circulating pump.
Furthermore, a shutoff valve a is arranged at a tail end water inlet of the direct supply heat exchanger, and a shutoff valve b is arranged at a tail end water outlet of the direct supply heat exchanger.
Further, the high-temperature pool is connected to high-temperature spring water or high-temperature raw sewage or high-temperature reclaimed water.
Further, the low-temperature pool is connected to low-temperature hot spring water or low-temperature raw sewage or low-temperature reclaimed water.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model can meet the requirements of heating and hot water through the direct supply heat exchanger in the time period with smaller heat load; in a time period with a large heat load, the water source heat pump unit is started, and the requirements of heating and hot water are met by combining the direct supply heat exchanger; in the refrigeration stage in summer, the hot water requirement can be met while refrigeration is carried out; hot water can be provided through the direct-supply heat exchanger in the transition season.
2. The utility model can fully utilize the heat of the primary heat source to achieve the effect of energy saving; the performance problem of the compressor can be reasonably avoided, and the heat recovery problem is solved.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
The system comprises a condenser 1, an evaporator 2, a direct supply heat exchanger 3, a heat recovery heat exchanger 4, an intermediate water circulating pump 5, a tail end water circulating pump 6, a valve a, a valve b, a valve c, a valve d, a valve e, a valve 12, a valve f, a valve 13, a valve g, a valve h, a high temperature pool 15, a low temperature pool 16, a tail end water constant pressure water replenishing device 17, an intermediate water constant pressure water replenishing device 18, a shut-off valve a, a shut-off valve b 21, a tail end water return pipe 22 and a tail end water supply pipe 22.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1, an energy-saving heat recovery water source heat pump system includes: the system comprises a water source heat pump unit, a direct supply heat exchanger 3, a heat recovery heat exchanger 4, a high-temperature pool 15 and a low-temperature pool 16; the inlet pipeline of the condenser 1 of the water source heat pump unit is divided into two paths, one path is connected to the outlet of the tail end water circulating pump 6 through a valve b8, and the other path is connected to the intermediate water outlet of the heat recovery heat exchanger 4 through a valve f 12; the outlet pipeline of the condenser 1 of the water source heat pump unit is divided into two paths, one path is connected to the tail end water supply pipe 22 through a valve d10, and the other path is connected to the inlet of the intermediate water circulating pump 5 through a valve h 14; the inlet pipeline of the water source heat pump unit evaporator 2 is divided into two paths, one path is connected to the outlet of the tail end water circulating pump 6 through a valve a7, and the other path is connected to the intermediate water outlet of the heat recovery heat exchanger 4 through a valve e 11; the outlet pipeline of the water source heat pump unit evaporator 2 is divided into two paths, one path is connected to the tail end water supply pipe 22 through a valve c9, and the other path is connected to the inlet of the intermediate water circulating pump 5 through a valve g 13; an outlet of the intermediate water circulating pump 5 is connected to an intermediate water inlet of the heat recovery heat exchanger 4, a heat source inlet of the heat recovery heat exchanger 4 is connected to an outlet of the low-temperature pool 16, and a heat source outlet of the heat recovery heat exchanger 4 is connected to an inlet of the low-temperature pool 16; a water outlet at the tail end of the direct supply heat exchanger 3 is connected to a water supply pipe 22 at the tail end, a water inlet at the tail end of the direct supply heat exchanger 3 is connected to an outlet of a water circulating pump 6 at the tail end, a heat source outlet of the direct supply heat exchanger 3 is connected to an inlet of the high-temperature pool 15, and a heat source inlet of the direct supply heat exchanger 3 is connected to an outlet of the high-temperature pool 15; the heat source outlet of the direct supply heat exchanger 3 is connected to the inlet of the low temperature pool 16 through a pipeline; the inlet of the end water circulation pump 6 is connected to the end water return pipe 21.
The terminal water constant pressure water replenishing device 17 is connected to the inlet of the terminal water circulation pump 6. The medium water constant pressure water replenishing device 18 is connected to the inlet of the medium water circulating pump 5. And a shutoff valve a19 is arranged at the tail end water inlet of the direct supply heat exchanger 3, and a shutoff valve b20 is arranged at the tail end water outlet.
The high temperature tank 15 is connected to high temperature spring water or high temperature raw sewage or high temperature reclaimed water.
The low-temperature pool 16 collects a high-temperature heat source which is directly heated by the heat exchanger 3, or is connected to low-temperature hot spring water, low-temperature raw sewage or low-temperature reclaimed water.
In a time period with a small heat load, the energy-saving heat recovery water source heat pump system meets the requirements of heating and hot water through the direct supply heat exchanger 3; in a time period with a large heat load, the water source heat pump unit is started, and the direct supply heat exchanger 3 is combined to meet the requirements of heating and hot water; in the refrigeration stage in summer, a compressor of the water source heat pump unit discharges a high-temperature refrigerant with a large amount of heat while refrigerating, and a user can connect a hot water tank at the interface of the heat recovery heat exchanger 4 according to the requirement of the user to collect hot water so as to meet the requirement of the hot water; hot water can be directly supplied through the direct supply heat exchanger 3 in the transition season.
Opening a valve b8, a valve d10, a valve e11 and a valve g13 in winter, closing a valve a7, a valve c9, a valve f12 and a valve h 14; and in summer, opening the valve a7, the valve c9, the valve f12 and the valve h14, and closing the valve b8, the valve d10, the valve e11 and the valve g 13.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.
Claims (6)
1. An energy-saving heat recovery water source heat pump system which is characterized in that: the method comprises the following steps: the system comprises a water source heat pump unit, a direct supply heat exchanger (3), a heat recovery heat exchanger (4), a high temperature pool (15) and a low temperature pool (16); the inlet pipeline of the condenser (1) of the water source heat pump unit is divided into two paths, one path is connected to the outlet of the tail end water circulating pump (6) through a valve b (8), and the other path is connected to the intermediate water outlet of the heat recovery heat exchanger (4) through a valve f (12); the outlet pipeline of the condenser (1) of the water source heat pump unit is divided into two paths, one path is connected to a tail end water supply pipe (22) through a valve d (10), and the other path is connected to the inlet of an intermediate water circulating pump (5) through a valve h (14); the inlet pipeline of the water source heat pump unit evaporator (2) is divided into two paths, one path is connected to the outlet of the tail end water circulating pump (6) through a valve a (7), and the other path is connected to the intermediate water outlet of the heat recovery heat exchanger (4) through a valve e (11); the outlet pipeline of the water source heat pump unit evaporator (2) is divided into two paths, one path is connected to a tail end water supply pipe (22) through a valve c (9), and the other path is connected to the inlet of an intermediate water circulating pump (5) through a valve g (13); an outlet of the intermediate water circulating pump (5) is connected to an intermediate water inlet of the heat recovery heat exchanger (4), a heat source inlet of the heat recovery heat exchanger (4) is connected to an outlet of the low-temperature pool (16), and a heat source outlet of the heat recovery heat exchanger (4) is connected to an inlet of the low-temperature pool (16); a tail end water outlet of the direct supply heat exchanger (3) is connected to a tail end water supply pipe (22), a tail end water inlet of the direct supply heat exchanger (3) is connected to an outlet of a tail end water circulating pump (6), a heat source outlet of the direct supply heat exchanger (3) is connected to an inlet of a high temperature pool (15), and a heat source inlet of the direct supply heat exchanger (3) is connected to an outlet of the high temperature pool (15); the heat source outlet of the direct supply heat exchanger (3) is connected to the inlet of the low temperature pool (16) through a pipeline; the inlet of the tail end water circulating pump (6) is connected to a tail end water return pipe (21).
2. The energy-saving heat recovery water source heat pump system according to claim 1, wherein: the water-saving device is also provided with a tail end water constant-pressure water supplementing device (17), and the tail end water constant-pressure water supplementing device (17) is connected to the inlet of the tail end water circulating pump (6).
3. The energy-saving heat recovery water source heat pump system according to claim 1, wherein: the water supply device is also provided with an intermediate water constant-pressure water replenishing device (18), and the intermediate water constant-pressure water replenishing device (18) is connected to the inlet of the intermediate water circulating pump (5).
4. The energy-saving heat recovery water source heat pump system according to claim 1, wherein: and a water inlet at the tail end of the direct supply heat exchanger (3) is provided with a shut-off valve a (19), and a water outlet at the tail end is provided with a shut-off valve b (20).
5. The energy-saving heat recovery water source heat pump system according to claim 1, wherein: the high-temperature pool (15) is connected to high-temperature spring water or high-temperature raw sewage or high-temperature reclaimed water.
6. The energy-saving heat recovery water source heat pump system according to claim 1, wherein: the low-temperature pool (16) is connected to low-temperature spring water or low-temperature raw sewage or low-temperature reclaimed water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922332511.4U CN211204190U (en) | 2019-12-23 | 2019-12-23 | Energy-saving heat recovery water source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922332511.4U CN211204190U (en) | 2019-12-23 | 2019-12-23 | Energy-saving heat recovery water source heat pump system |
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| Publication Number | Publication Date |
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| CN211204190U true CN211204190U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922332511.4U Active CN211204190U (en) | 2019-12-23 | 2019-12-23 | Energy-saving heat recovery water source heat pump system |
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| CN (1) | CN211204190U (en) |
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- 2019-12-23 CN CN201922332511.4U patent/CN211204190U/en active Active
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