CN211876421U - Water source heat pump system capable of directly utilizing regenerated water - Google Patents
Water source heat pump system capable of directly utilizing regenerated water Download PDFInfo
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- CN211876421U CN211876421U CN201922297364.1U CN201922297364U CN211876421U CN 211876421 U CN211876421 U CN 211876421U CN 201922297364 U CN201922297364 U CN 201922297364U CN 211876421 U CN211876421 U CN 211876421U
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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 discloses a water source heat pump system of direct utilization recycled water mainly includes: the system comprises a filtering device, a water treatment device, a regenerative water pump and a water source heat pump unit; the filtering device is arranged in the reclaimed water storage tank and is connected with the water inlet of the water treatment device through a water pipe; the water outlet of the water treatment device is connected with a regenerated water pump, and the regenerated water pump is connected with a regenerated water inlet of the water source heat pump unit; the water source heat pump unit is externally connected with an energy supply source; a regenerated water outlet of the water source heat pump unit returns to the regenerated water storage tank through a water pipe; the circulating water outlet and the circulating water inlet of the water source heat pump unit are respectively connected with a tail end user, and a user side water pump is further arranged on a circulating pipeline between the tail end user and the water source heat pump unit. The utility model discloses having reduced middle heat exchanger, not only having higher energy utilization efficiency, fully extracting the low-grade heat energy of regeneration aquatic, having reduced equipment investment moreover, the running cost also reduces to some extent.
Description
Technical Field
The utility model relates to a water source heat pump technical field, concretely relates to directly utilize water source heat pump system of recycled water.
Background
The water source heat pump system of the regenerated water takes the regenerated water (reclaimed water) as a main heat source (heat sink) and is assisted by electric energy or other energy, and the regenerated water is changed into available high-grade energy by developing and utilizing low-grade energy which is not easy to utilize. The multifunctional water heater can meet the requirements of heating in winter and cooling in summer, can solve the problem of supplying sanitary hot water, and has the functional characteristic of three purposes.
The reclaimed water of the urban sewage treatment plant, the reclaimed water after the sewage treatment of the large-scale industrial and mining enterprises, the construction reclaimed water and other water sources reaching the national discharge standard can be used as heat sources (heat sinks) of the water source heat pump system, the reclaimed water recycling and utilizing technology meets the environmental trend requirements of water saving and water resource recycling, the method has good social benefits and economic benefits, embodies the people-oriented basis of the health and living engineering, promotes the innovative essence, and is bound to become a technology which is mainly popularized in the engineering construction field in the future.
The existing water source heat pump system for the regenerated water indirectly utilizes the regenerated water source heat pump system, but the energy utilization efficiency is low and the equipment investment is large because an intermediate heat exchanger is added. The heat pump system directly using the regenerated water source has higher energy utilization efficiency and can more fully extract low-grade heat energy in the regenerated water.
The quality of the reclaimed water is almost the same as that of river water, the reclaimed water can directly enter a water source heat pump unit through simple treatment, and the low-grade heat energy of the reclaimed water can be used as non-direct contact miscellaneous water for residents or enterprises after being utilized, so that the water source heat pump system directly utilizing the reclaimed water not only can exert the energy-saving advantage of the system, but also can solve the water quality treatment problem which puzzles the popularization and application of the water source heat pump for a long time, so that the system is simplified, and the initial investment and the operating cost are reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a more efficient directly utilizes water source heat pump system of recycled water to solve the problem that the energy utilization efficiency that exists is low, equipment investment is big among the prior art, reach economic energy-conserving purpose.
In order to realize the purpose, the technical scheme of the utility model is that:
a water source heat pump system directly utilizing regenerated water is characterized by mainly comprising: the system comprises a filtering device, a water treatment device, a regenerative water pump and a water source heat pump unit; the filtering device is arranged in the reclaimed water storage tank, and is used for filtering larger impurities in the reclaimed water and preventing the larger impurities from entering the water treatment device and the water source heat pump unit; the filtering device is connected with a water inlet of the water treatment device through a water pipe, and primary water treatment is carried out in the water treatment device; the water outlet of the water treatment device is connected with the water inlet of a regenerated water pump, the water outlet of the regenerated water pump is connected with the regenerated water inlet of the water source heat pump unit, and the regenerated water pump is used for providing power for regenerated water and pressurizing the regenerated water to send the regenerated water into the water source heat pump unit; the water source heat pump unit is externally connected with an energy supply source and used as driving energy for low-grade energy exchange of regenerated water; a regenerated water outlet of the water source heat pump unit returns to the regenerated water reservoir through a water pipe, so that the regenerated water flows back to the reservoir; the circulating water outlet and the circulating water inlet of the water source heat pump unit are respectively connected with a terminal user and provide energy for the terminal user in a circulating manner; and a user side water pump is further arranged on a circulating pipeline between the tail end user and the water source heat pump unit to provide power for inlet and outlet water of the tail end user.
The utility model utilizes the low-grade heat energy of the reclaimed water, under the normal condition, 1KW electric energy or other energy is input, and the cold quantity of more than 5KW or the heat of more than 4KW can be obtained, so the running cost and the initial investment of the reclaimed water source heat pump are greatly lower than the traditional heat supply and cold supply mode; the urban renewable water source heat pump has the advantages of energy conservation, environmental protection, water conservation, greenhouse gas emission reduction and the like, belongs to a technical product for efficiently utilizing renewable energy sources, and has wide market application prospect; the water source heat pump system directly utilizing the regenerated water reduces the number of intermediate heat exchangers, so that the energy utilization efficiency is higher, the low-grade heat energy in the regenerated water is fully extracted, the equipment investment is reduced, and the operation cost is also reduced; in addition, because the reclaimed water is treated by the filtering device and the water treatment device, the water quality of the unit discharged water is better than that of the imported water, and the reclaimed water is more favorable for being used as non-direct contact water for residents or enterprises.
Drawings
Fig. 1 is a schematic structural diagram of a water source heat pump system according to the present invention;
fig. 2 shows the system application scenario of the present invention: the liquid level of the regenerated water pool is higher than the installation elevation of the regenerated water pump;
fig. 3 shows the system application scenario of the present invention: the installation level of the regeneration water pump is higher than the liquid level of the regeneration water tank;
in the figure: 1-a regenerated water reservoir, 2-a filtering device, 3-a water treatment device, 4-a regenerated water pump, 5-a water source heat pump unit, 6-a terminal user, 7-a user side water pump, 8-an energy supply source and 9-a submersible pump.
Detailed Description
The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2. A water source heat pump system directly utilizing regenerated water mainly comprises: the system comprises a filtering device 2, a water treatment device 3, a regeneration water pump 4 and a water source heat pump unit 5; the filtering device 2 is arranged in the regenerated water reservoir 1, and is used for filtering larger impurities in the regenerated water and preventing the impurities from entering the water treatment device 3, the regenerated water pump 4 and the water source heat pump unit 5; the filtering device 2 is connected with a water inlet of the water treatment device 3 through a water pipe, and primary water treatment is carried out in the water treatment device 3; the water outlet of the water treatment device 3 is connected with the water inlet of the regeneration water pump 4, the water outlet of the regeneration water pump 4 is connected with the regeneration water inlet of the water source heat pump unit 5, and the regeneration water pump 4 is used for providing power for the regeneration water and pressurizing the regeneration water to send the regeneration water into the water source heat pump unit 5; the water source heat pump unit 5 is externally connected with an energy supply source 8 and used as driving energy for low-grade energy exchange of regenerated water; a regenerated water outlet of the water source heat pump unit 5 returns to the regenerated water reservoir 1 through a water pipe, so that the regenerated water flows back to the reservoir; a circulating water outlet and a circulating water inlet of the water source heat pump unit 5 are respectively connected with a terminal user 6, and energy is provided for the terminal user 6 in a circulating manner; and a user side water pump 7 is further arranged on a circulating pipeline between the tail end user 6 and the water source heat pump unit 5 to provide circulating power for circulating water.
Further, the regeneration water pump 4 may be arranged on a pipeline of a regeneration water outlet of the water source heat pump unit 5 according to actual requirements of customers.
Further, as shown in fig. 2, when the installation level of the regeneration water pump 4 is higher than the liquid level of the regeneration water tank 1, a submersible pump 9 is further arranged between the filter device 2 and the water treatment device 3, and the regeneration water passing through the filter device 2 is pressurized and sent into the water treatment device 3 by the submersible pump 9.
Further, when the power of the submersible pump 9 is large enough, the pipeline connecting the water outlet of the water treatment device 3 and the regenerated water inlet of the water source heat pump unit 5 may be provided with no regenerated water pump 4, and the submersible pump 9 directly provides sufficient pressure to drive the regenerated water to be sent into the water source heat pump unit 5, although the system cost and the operation cost are increased correspondingly under the condition.
The regenerated water is heated in winter to be used as a heat source, and is cooled in summer to be used as a heat sink.
Work as the liquid level in regeneration pond 1 is higher than during the installation elevation of regeneration water pump 4, the regeneration water receives the action of gravity, independently flows through filter equipment 2 with water treatment facilities 3, by 4 pump pumps in the regeneration water pump water source heat pump set 5 inside backward flow to the cistern after the heat exchange, accomplish a heat exchange process.
When the installation standard height of regeneration water pump 4 is higher than during the liquid level in regeneration pond 1, the regeneration water by immersible pump 9 pressurizes the process filter equipment 2 with water treatment facilities 3, 4 pressurization pump of regeneration water pump go into water source heat pump set 5 inside backward flow to the cistern after the heat exchange, accomplish a heat exchange process.
Claims (4)
1. A water source heat pump system directly utilizing regenerated water is characterized by mainly comprising: the device comprises a filtering device (2), a water treatment device (3), a regenerative water pump (4) and a water source heat pump unit (5); the filtering device (2) is arranged in the reclaimed water reservoir (1) and is connected with a water inlet of the water treatment device (3) through a water pipe; the water outlet of the water treatment device (3) is connected with the water inlet of the regeneration water pump (4), and the water outlet of the regeneration water pump (4) is connected with the regeneration water inlet of the water source heat pump unit (5); the water source heat pump unit (5) is externally connected with an energy supply source (8); a regenerated water outlet of the water source heat pump unit (5) returns to the regenerated water reservoir (1) through a water pipe; the circulating water outlet and the circulating water inlet of the water source heat pump unit (5) are respectively connected with a terminal user (6); and a user side water pump (7) is also arranged on a circulating pipeline between the end user (6) and the water source heat pump unit (5).
2. The water source heat pump system directly utilizing regenerated water as claimed in claim 1, wherein the regenerated water pump (4) is provided on a line of a regenerated water outlet of the water source heat pump unit (5).
3. The water source heat pump system directly utilizing regenerated water according to claim 1 or 2, characterized in that a submersible pump (9) is further provided between the filtering device (2) and the water treatment device (3).
4. The water source heat pump system directly utilizing regenerated water according to claim 3, characterized in that when the power of the submersible pump (9) is sufficiently large, the regenerated water pump (4) is not provided on a line connecting the water outlet of the water treatment device (3) and the regenerated water inlet of the water source heat pump unit (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922297364.1U CN211876421U (en) | 2019-12-19 | 2019-12-19 | Water source heat pump system capable of directly utilizing regenerated water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922297364.1U CN211876421U (en) | 2019-12-19 | 2019-12-19 | Water source heat pump system capable of directly utilizing regenerated water |
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| CN211876421U true CN211876421U (en) | 2020-11-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113988604A (en) * | 2021-10-29 | 2022-01-28 | 九州方圆实业控股(集团)有限公司 | Renewable water source heat pump district heating planning method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113988604A (en) * | 2021-10-29 | 2022-01-28 | 九州方圆实业控股(集团)有限公司 | Renewable water source heat pump district heating planning method |
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