CN216770302U - Closed sewage source heat pump energy storage system - Google Patents
Closed sewage source heat pump energy storage system Download PDFInfo
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- CN216770302U CN216770302U CN202220267660.6U CN202220267660U CN216770302U CN 216770302 U CN216770302 U CN 216770302U CN 202220267660 U CN202220267660 U CN 202220267660U CN 216770302 U CN216770302 U CN 216770302U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses a closed sewage source heat pump energy storage system which comprises a sewage source heat pump unit, a heat storage device, a cold storage device, a first water filter, a first constant-pressure water supplementing device, a shared circulating water pump, an energy storage system circulating water pump, a first sewage heat exchange system circulating water pump, rubber ball cleaning equipment, a second constant-pressure water supplementing device, a second water filter and a second sewage heat exchange system circulating water pump, wherein the sewage source heat pump unit is sequentially connected with the first sewage heat exchange system circulating water pump and the rubber ball cleaning equipment through a first pipeline, the first pipeline is connected with the first constant-pressure water supplementing device through a second pipeline, and the rubber ball cleaning equipment is sequentially connected with the second water filter and the second sewage heat exchange system circulating water pump through a third pipeline. The utility model reasonably utilizes waste heat sources, and is energy-saving and environment-friendly.
Description
Technical Field
The utility model relates to the technical field of thermal engineering, in particular to a closed sewage source heat pump energy storage system.
Background
Most of the traditional heat storage modes use an electric boiler as a heat source, and the efficiency is less than 1. The water heat storage uses an electric heating wire to heat the water to 80-130 ℃, the heat storage mode is sensible heat storage, and the heat storage mode has small heat storage density, large heat loss and large occupied area; the solid brick heat storage uses an electric heating wire to heat circulating air, the air enables the temperature of the heat storage brick to rise to 500-800 ℃, the heat storage mode is sensible heat storage, the heat storage mode is low in heating and heat taking efficiency, the heat storage brick is easy to pulverize, the service life of the heating wire is short, residual heat is large, and heat is difficult to take at the temperature of below 200 ℃. The heat storage mode has high heat storage temperature and large heat loss, and cannot be combined with a heat pump.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a closed sewage source heat pump energy storage system.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a closed sewage source heat pump energy storage system comprises a sewage source heat pump unit, a heat storage device, a cold storage device, a first water filter, a first constant-pressure water supplementing device, a shared circulating water pump, an energy storage system circulating water pump, a first sewage heat exchange system circulating water pump, a rubber ball cleaning device, a second constant-pressure water supplementing device, a second water filter and a second sewage heat exchange system circulating water pump, wherein the sewage source heat pump unit is sequentially connected with the first sewage heat exchange system circulating water pump and the rubber ball cleaning device through a first pipeline, the first pipeline is connected with the first constant-pressure water supplementing device through a second pipeline, the rubber ball cleaning device is sequentially connected with the second water filter and the second sewage heat exchange system circulating water pump through a third pipeline, the sewage source heat pump unit is sequentially connected with the shared circulating water pump and the first water filter through a fourth pipeline, the fourth pipeline is connected with the second constant-pressure water supplementing device through a fifth pipeline, the fourth pipeline is sequentially connected with a heat storage device, a cold storage device and an energy storage system circulating water pump through a sixth pipeline.
Preferably, a plurality of sewage source heat pump units are arranged on the first pipeline in parallel.
Preferably, the sewage source heat pump unit comprises an evaporator and a condenser, wherein the evaporator is connected with the first pipeline, and the condenser is connected with the fourth pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has the following advantages: (1) the medium-low temperature solid phase change material heat storage device adopts latent heat for energy storage, and the energy storage density is about 5-8 times of that of water; (2) the medium-low temperature solid phase change material has good circulation stability, almost no heat attenuation after about 6000 times of circulation, constant-temperature heat release and stable heat release; (3) the medium-low temperature solid phase change material is combined with the sewage source heat pump unit, the efficiency of the sewage source heat pump unit is about 5 times that of an electric boiler, and compared with the heat storage of the electric boiler, the system can save 400% of electricity charge under the condition of the same heat production quantity; (4) the water temperature of the system is between 40 and 60 ℃ in winter, and the system is safe and reliable compared with the water heat storage at 80 to 130 ℃ and the heat storage at 500 to 800 ℃ of the heat storage brick; (5) the medium-low temperature solid phase-change material heat storage device is closed and has low pressure, and the heat storage tank in the high-temperature water heat storage system is a pressure container, so that the system is simpler and safer; (6) the flow loss of the water pump is reduced by a one-to-one design mode of the sewage source heat pump unit and the circulating water pump of the first sewage heat exchange system, so that the system is more energy-saving, and when a project is built in stages, the built system can normally run, but the comprehensive energy efficiency ratio of the system cannot be reduced; (7) by the bypass valve bank between the water supply and return pipelines, the problems that the temperature difference between water supply and return of a user is 10 ℃, the temperature difference between water supply and return of a sewage source heat pump is 5 ℃, and the temperature difference between the water supply and return of the sewage source heat pump is not matched are solved; (8) the waste heat source is reasonably utilized, and the energy is saved and the environment is protected.
Drawings
Fig. 1 is a system block diagram of a closed sewage source heat pump energy storage system provided by the utility model.
In the figure: the system comprises a sewage source heat pump unit 1, a heat storage device 2, a cold storage device 3, a first water filter 4, a first constant-pressure water supplementing device 5, a shared circulating water pump 6, an energy storage system circulating water pump 7, a first sewage heat exchange system circulating water pump 8, a rubber ball cleaning device 9, a second constant-pressure water supplementing device 10, a second water filter 11 and a second sewage heat exchange system circulating water pump 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, a closed sewage source heat pump energy storage system comprises a sewage source heat pump unit 1, a heat storage device 2, a cold storage device 3, a first water filter 4, a first constant pressure water supplementing device 5, a shared circulating water pump 6, an energy storage system circulating water pump 7, a first sewage heat exchange system circulating water pump 8, a rubber ball cleaning device 9, a second constant pressure water supplementing device 10, a second water filter 11 and a second sewage heat exchange system circulating water pump 12, wherein the sewage source heat pump unit 1 is sequentially connected with the first sewage heat exchange system circulating water pump 8 and the rubber ball cleaning device 9 through a first pipeline, the first pipeline is connected with the first constant pressure water supplementing device 5 through a second pipeline, the rubber ball cleaning device 9 is sequentially connected with the second water filter 11 and the second sewage heat exchange system circulating water pump 12 through a third pipeline, and the sewage source heat pump unit 1 is sequentially connected with the shared circulating water pump 6, the rubber ball cleaning device 9 through a fourth pipeline, The fourth pipeline is connected with a second constant-pressure water supplementing device 10 through a fifth pipeline, and the fourth pipeline is sequentially connected with a heat storage device 2, a cold storage device 3 and an energy storage system circulating water pump 7 through a sixth pipeline.
A plurality of sewage source heat pump units 1 are installed on the first pipeline in parallel, each sewage source heat pump unit 1 comprises an evaporator and a condenser, the evaporators are connected with the first pipeline, and the condensers are connected with the fourth pipeline.
The working principle is as follows: in the utility model, the system operation working medium is water, and the characteristics of refrigeration and heating of the sewage source heat pump unit 1 are utilized, so that the direct supply system can realize cooling in summer and heating in winter; the characteristics that the phase change point of the medium-low temperature solid phase change material is in the water outlet range of the sewage source heat pump are utilized, so that the cold accumulation in summer and the heat accumulation in winter of the energy storage system can be realized; the first water filter 4 and the second water filter 11 can filter the water medium
Heat accumulation and release processes:
a direct supply system: the sewage source heat pump unit 1, the first sewage heat exchange system circulating water pump 8 and the second sewage heat exchange system circulating water pump 12 operate to directly supply energy; an energy storage system: the sewage source heat pump unit 1 and the shared circulating water pump 6 operate to store energy in the heat storage device 2, and when the energy is fully stored, the shared circulating water pump 6 stops; the energy release system comprises: the energy storage system circulating water pump 7 runs to supply energy, the energy in the heat storage device 2 is exhausted, and the energy storage system circulating water pump 7 stops.
The cold accumulation and the cold discharge are carried out in the same way.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (3)
1. The utility model provides a closed sewage source heat pump energy storage system, includes sewage source heat pump set (1), heat accumulation device (2), cold-storage device (3), first water filter (4), first constant pressure moisturizing device (5), sharing circulating water pump (6), energy storage system circulating water pump (7), first sewage heat transfer system circulating water pump (8), glueballs cleaning equipment (9), second constant pressure moisturizing device (10), second water filter (11), second sewage heat transfer system circulating water pump (12), a serial communication port, sewage source heat pump set (1) has connected gradually first sewage heat transfer system circulating water pump (8), glueballs cleaning equipment (9) through first pipeline, first pipeline has first constant pressure moisturizing device (5) through the second pipeline connection, glueballs cleaning equipment (9) have connected gradually second water filter (11) through the third pipeline, The sewage source heat pump unit (1) is sequentially connected with a shared circulating water pump (6) and a first water filter (4) through a fourth pipeline, the fourth pipeline is connected with a second constant-pressure water supplementing device (10) through a fifth pipeline, and the fourth pipeline is sequentially connected with a heat storage device (2), a cold storage device (3) and an energy storage system circulating water pump (7) through a sixth pipeline.
2. A closed sewage heat pump energy storage system according to claim 1, wherein a plurality of sewage heat pump units (1) are installed in parallel on the first pipeline.
3. A closed sewage heat pump energy storage system according to claim 1, wherein the sewage heat pump unit (1) comprises an evaporator and a condenser, the evaporator is connected with the first pipeline, and the condenser is connected with the fourth pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220267660.6U CN216770302U (en) | 2022-02-10 | 2022-02-10 | Closed sewage source heat pump energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220267660.6U CN216770302U (en) | 2022-02-10 | 2022-02-10 | Closed sewage source heat pump energy storage system |
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| Publication Number | Publication Date |
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| CN216770302U true CN216770302U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220267660.6U Active CN216770302U (en) | 2022-02-10 | 2022-02-10 | Closed sewage source heat pump energy storage system |
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| CN (1) | CN216770302U (en) |
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2022
- 2022-02-10 CN CN202220267660.6U patent/CN216770302U/en active Active
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