CN222459635U - An ecological defrosting air source heat pump system based on molten salt heating mechanism - Google Patents
An ecological defrosting air source heat pump system based on molten salt heating mechanism Download PDFInfo
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- CN222459635U CN222459635U CN202421210012.2U CN202421210012U CN222459635U CN 222459635 U CN222459635 U CN 222459635U CN 202421210012 U CN202421210012 U CN 202421210012U CN 222459635 U CN222459635 U CN 222459635U
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Abstract
The utility model belongs to the technical field of heating and ventilation, and discloses an ecological defrosting type air source heat pump system based on a fused salt heating mechanism, which comprises a fused salt heating defrosting tank, an air source heat pump, a heat storage water tank, a unit circulating water pump assembly and a tail end circulating water pump assembly; the fused salt heating defrosting tank water outlet is respectively connected with the heat storage water tank and the unit circulating water pump assembly through a defrosting tank outlet pipeline, the other end of the unit circulating water pump assembly is connected with the air source heat pump water inlet, the air source heat pump water outlet is connected with the fused salt heating defrosting tank water inlet through a water supply pipeline, the air source heat pump water outlet is connected with the heat storage water tank water inlet through a pipeline, the heat storage water tank water supply port is sequentially connected with the tail end circulating water pump assembly and the tail end water supply pipeline, and the heat storage water tank water return port is connected with a tail end user through a tail end water return pipeline. The terminal of the air source heat pump unit is kept at a constant water outlet temperature during defrosting, and the stability of equipment during defrosting of the unit is improved.
Description
Technical Field
The utility model belongs to the technical field of heating and ventilation, and relates to an ecological defrosting type air source heat pump system based on a fused salt heating mechanism.
Background
The existing air source heat pump system CN211204210U is an energy-saving constant-pressure stable type domestic hot water air source heat pump system, solves the problem that when an air source heat pump unit heats at the outdoor environment temperature lower than 0 ℃, frosting is formed on the surface of fins of an evaporator to obstruct the heat exchange performance of the evaporator, but after the specific implementation and application, the problems that when the air source heat pump unit defrost, the heating performance of the system is greatly attenuated, so that the indoor temperature and comfort level are affected, and when the unit frosts for a long time and consumes self energy, the service life of equipment is affected. Therefore, there is a need to develop an air source heat pump system that solves the above technical problems.
Disclosure of utility model
The utility model aims to overcome the defects in the background technology, and in order to ensure that the tail end of an air source heat pump unit keeps constant water outlet temperature during defrosting and improve the stability of equipment during defrosting of the unit, the utility model provides an ecological defrosting type air source heat pump system based on a fused salt heating mechanism, so that the whole system brings constant temperature and comfortable use feeling to a tail end user during heating, and improves the running stability of the equipment.
The technical scheme includes that the ecological defrosting type air source heat pump system based on a fused salt heating mechanism comprises a fused salt heating defrosting tank, an air source heat pump, a heat storage water tank, a unit circulating water pump assembly and a tail end circulating water pump assembly, wherein a water outlet of the fused salt heating defrosting tank is connected with the heat storage water tank and the unit circulating water pump assembly respectively through outlet pipelines of the defrosting tank, the other end of the unit circulating water pump assembly is connected with a water inlet of the air source heat pump, a water outlet of the air source heat pump is connected with a water inlet of the fused salt heating defrosting tank through a water supply pipeline, a water outlet of the air source heat pump is connected with a water inlet of the heat storage water tank through a pipeline, a water supply port of the heat storage water tank is sequentially connected with the tail end circulating water pump assembly and a tail end water supply pipeline, and a water return port of the heat storage water tank is connected with a tail end user through a tail end water return pipeline.
The end water supply line is connected to an end user.
The tail end water return pipeline is also connected with a water supplementing pipeline, and a butterfly valve is arranged on the water supplementing pipeline. The softened tap water is connected into the tail end water return pipeline through the water supplementing pipeline to keep the water level in the heat storage water tank stable.
The unit circulating water pump assembly comprises two circulating water pump pipelines which are arranged in parallel, and a unit circulating water pump is arranged on each circulating water pump pipeline.
The tail end circulating water pump assembly comprises two tail end circulating water pump pipelines which are arranged in parallel, and each tail end circulating water pump pipeline is provided with a tail end circulating water pump.
The water inlet of the tail end circulating water pump is connected with the water supply pipeline is connected with a water supply port of the heat storage water tank, the water outlet of the tail end circulating water pump conveys water to a tail end user through a tail end water supply pipeline, and meanwhile, the end user is connected with a water return port of the heat storage water tank through an end water return pipeline.
Further, the tail end of the outlet pipeline of the defrosting tank is respectively connected with the heat storage water tank and the unit circulating water pump assembly through pipelines. The tail end of the defrosting tank outlet pipeline is connected with a pipeline A and a pipeline B in a tapping way, the pipeline A is used for connecting the defrosting tank outlet pipeline and a unit circulating water pump assembly, and the pipeline B is used for connecting the defrosting tank outlet pipeline and a heat storage water tank. And a backwater electric valve is arranged on the pipeline B. The backwater electric valve is connected with the water outlet of the heat storage water tank.
Further, a water outlet of the fused salt heating defrosting tank is connected with an inlet of a unit circulating water pump in the unit circulating water pump assembly through a defrosting tank outlet pipeline.
Further, a butterfly valve is arranged on the outlet pipeline of the defrosting tank.
Furthermore, the outlet of the unit circulating water pump assembly is connected with the water inlet of the air source heat pump through a water return pipeline, and water is fed into the air source heat pump.
Furthermore, the tail end of the water supply pipeline is connected with a pipeline A and a pipeline B in a tapping mode, the pipeline A is used for connecting the water supply pipeline and the water inlet of the fused salt heating defrosting tank, the pipeline B is used for connecting the water supply pipeline and the water inlet of the heat storage water tank, an electric valve is arranged on the pipeline A, and a water feeding electric valve is arranged on the pipeline B.
The heat exchanger is arranged in the fused salt heating defrosting tank, the specific model of the heat exchanger is not limited, and the working function of the heat exchanger is realized.
The salt storage bin is arranged in the fused salt heating defrosting tank, and the optimal heat exchanger is arranged on the upper part of the salt storage bin.
The lower part of the fused salt heating defrosting tank is provided with a water tank temperature sensing head.
And a drain outlet is arranged at the bottom of the fused salt heating defrosting tank.
The system is also provided with a PLC control system, and the air source heat pump, the molten salt heating defrosting tank, the unit circulating water pump, the heat storage water tank, the tail end circulating water pump, the electric valve, the water feeding electric valve, the backwater electric valve, the heat exchanger, the butterfly valve and the water tank temperature sensing head are respectively connected with the PLC control system and are not limited by a specific model, so that the working function of the system is realized.
Compared with the prior art, the utility model has the following beneficial effects:
1. The ecological defrosting type air source heat pump system based on the molten salt heating mechanism reduces the influence on the water supply temperature of the tail end heating system when a unit is defrosted, and ensures the comfort level of a user side.
2. The ecological defrosting type air source heat pump system based on the molten salt heating mechanism provided by the utility model avoids the influence of the unit on the heat exchange performance of the system due to incomplete defrosting, ensures the unit to defrost as required, and effectively reduces the energy consumption of the unit during defrosting.
3. According to the utility model, the newly-added molten salt heating defrosting tank is internally provided with the salt storage bin, so that the temperature is fast and high, the defrosting problem of a unit can be rapidly solved, and the defrosting time of the unit is greatly shortened.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic diagram of an ecological defrosting air source heat pump system based on a molten salt heating mechanism.
Fig. 2 is a schematic diagram of a molten salt heating defrosting tank.
The system comprises an air source heat pump, a molten salt heating defrosting tank, a unit circulating water pump, a heat storage water tank, a tail end circulating water pump, a tail end user, an electric valve, a water feeding electric valve, a water returning electric valve, a defrosting tank outlet pipeline, a water feeding pipeline, a water returning pipeline, a water supplementing pipeline, a tail end water supplying pipeline, a tail end water returning pipeline, a water tank temperature sensing head, a water inlet of the molten salt heating defrosting tank, a water outlet of the molten salt heating defrosting tank, a heat exchanger, a salt storage bin and a drain outlet.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to the following examples.
Example 1
An ecological defrosting type air source heat pump system based on a fused salt heating mechanism is shown in fig. 1-2, and comprises a fused salt heating defrosting tank 2, an air source heat pump 1, a heat storage water tank 4, a unit circulating water pump assembly and a terminal circulating water pump assembly, wherein a water outlet 203 of the fused salt heating defrosting tank is respectively connected with the heat storage water tank 4 and the unit circulating water pump assembly through a defrosting tank outlet pipeline 10, the other end of the unit circulating water pump assembly is connected with a water inlet of the air source heat pump 1, a water outlet of the air source heat pump 1 is connected with a water inlet 201 of the fused salt heating defrosting tank through a water supply pipeline 11, a water outlet of the air source heat pump 1 is connected with a water inlet of the heat storage water tank 4 through a pipeline, a water supply port of the heat storage water tank 4 is sequentially connected with the terminal circulating water pump assembly and a terminal water supply pipeline 14, and a water return port of the heat storage water tank 4 is connected with a terminal user 6 through a terminal water return pipeline 15.
The end water supply line 14 is connected to the end user 6.
The tail end water return pipeline 15 is also connected with a water supplementing pipeline 13, a butterfly valve is arranged on the water supplementing pipeline 13. The softened tap water is connected into a tail end water return pipeline 15 through a water supplementing pipeline 13 to keep the water level in the heat storage water tank 4 stable.
The unit circulating water pump assembly comprises two circulating water pump pipelines which are arranged in parallel, and a unit circulating water pump 3 is arranged on each circulating water pump pipeline.
The tail end circulating water pump assembly comprises two tail end circulating water pump pipelines which are arranged in parallel, and each tail end circulating water pump pipeline is provided with a tail end circulating water pump 5.
The water inlet of the tail end circulating water pump 5 is connected with the water supply port of the heat storage water tank 4 through a water supply pipeline, the water outlet of the tail end circulating water pump 5 conveys water to the tail end user 6 through a tail end water supply pipeline 14, and meanwhile, the tail end user 6 is connected with the water return port of the heat storage water tank 4 through a tail end water return pipeline 15.
The tail end of the defrosting tank outlet pipeline 10 is respectively connected with the heat storage water tank 4 and the unit circulating water pump assembly through pipelines. The tail end of the defrosting tank outlet pipeline 10 is connected with a pipeline A and a pipeline B in a tapping way, the pipeline A is used for connecting the defrosting tank outlet pipeline 10 and a unit circulating water pump assembly, and the pipeline B is used for connecting the defrosting tank outlet pipeline 10 and the heat storage water tank 4. And a backwater electric valve 9 is arranged on the pipeline B. The backwater electric valve 9 is connected with the water outlet of the heat storage water tank 4.
And the water outlet 203 of the fused salt heating defrosting tank is connected with the inlet of the unit circulating water pump 3 in the unit circulating water pump assembly through the outlet pipeline 10 of the defrosting tank.
A butterfly valve is arranged on the outlet pipeline 10 of the defrosting tank.
The outlet of the unit circulating water pump 3 of the unit circulating water pump assembly is connected with the water inlet of the air source heat pump 1 through a water return pipeline 12, and water is fed into the air source heat pump 1.
The tail end of the water supply pipeline 11 is connected with a pipeline A and a pipeline B in a tapping way, the pipeline A is used for connecting the water supply pipeline 11 with a water inlet 201 of the fused salt heating defrosting tank, the pipeline B is used for connecting the water supply pipeline 11 with a water inlet of the heat storage water tank 4, an electric valve 7 is arranged on the pipeline A, and a water feeding electric valve 8 is arranged on the pipeline B.
The heat exchanger 204 is arranged in the molten salt heating defrosting tank 2, the specific model of the heat exchanger 204 is not limited, and the working function of the heat exchanger is realized.
A salt storage bin 205 is arranged in the fused salt heating defrosting tank 2, and a heat exchanger 204 is preferably arranged at the upper part of the salt storage bin 205.
The lower part of the fused salt heating defrosting tank 2 is provided with a water tank temperature sensing head 16.
A drain outlet 206 is arranged at the bottom of the fused salt heating defrosting tank 2.
The system is also provided with a PLC control system, and the air source heat pump 1, the molten salt heating defrosting tank 2, the unit circulating water pump 3, the heat storage water tank 4, the tail end circulating water pump 5, the electric valve 7, the water feeding electric valve 8, the water return electric valve 9, the heat exchanger 204, the butterfly valve and the water tank temperature sensing head 16 are respectively connected with the PLC control system, and do not limit a specific model, so that the working function of the system is realized.
When the air source heat pump 1 is used for defrosting, the electric valve 7 is opened, the water feeding electric valve 8 is closed, the water returning electric valve 9 is closed, the unit circulating water pump 3 of the unit circulating water pump assembly is used for enabling high-temperature water in the fused salt heating defrosting tank 2 to enter the air source heat pump 1 through the water returning pipeline 12 so as to defrost the unit quickly, the defrosted low-temperature water enters the fused salt heating defrosting tank 2 through the water feeding pipeline 11 and exchanges heat with the salt storage bin 205 to form high-temperature water through the heat exchanger 204, and the high-temperature water is circulated back and forth again until defrosting of the unit is completed.
After defrosting of the air source heat pump 1 is finished, the electric valve 7 is closed, the water feeding electric valve 8 and the water returning electric valve 9 are opened, the water tank temperature sensing probe 16 in the heat storage water tank 4 is linked with the air source heat pump 1 and the unit circulating water pump 3, when the water temperature in the water tank temperature sensing head 16 feedback heat storage water tank 4 is lower than a set temperature, the unit circulating pump 3 exchanges heat when water in the heat storage water tank 4 enters the air source heat pump 1 through the water returning pipeline 12, and the heat exchanged water enters the heat storage water tank 4 through the water feeding pipeline 11 to reciprocate until the water temperature in the heat storage water tank 4 reaches the set temperature.
The end circulating water pump 5 provides a heat source for the end user 6 side through the end water supply pipeline 14 by using the high-temperature water in the heat storage water tank 4, and the air source heat pump system can avoid the influence on the water temperature of the end user 6 side.
While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.
Claims (10)
1. The ecological defrosting type air source heat pump system based on the molten salt heating mechanism is characterized by comprising a molten salt heating defrosting tank (2), an air source heat pump (1), a heat storage water tank (4), a unit circulating water pump assembly and a tail end circulating water pump assembly, wherein a water outlet (203) of the molten salt heating defrosting tank is respectively connected with the heat storage water tank (4) and the unit circulating water pump assembly through a defrosting tank outlet pipeline (10), the other end of the unit circulating water pump assembly is connected with a water inlet of the air source heat pump (1), a water outlet of the air source heat pump (1) is connected with a water inlet (201) of the air source heating defrosting tank through a water supply pipeline (11), a water outlet of the air source heat pump (1) is connected with a water inlet of the heat storage water tank (4) through a pipeline, a water supply port of the heat storage water tank (4) is sequentially connected with a tail end circulating water pump assembly and a tail end water supply pipeline (14), and a water return port of the heat storage water tank (4) is connected with a tail end user (6) through a tail end return pipeline (15).
2. An ecologically defrosting air source heat pump system based on molten salt heating mechanism as in claim 1 wherein the end water supply line (14) is connected to the end user (6).
3. An ecological defrosting air source heat pump system based on a molten salt heating mechanism as claimed in claim 1, wherein the tail end water return pipeline (15) is further connected with a water supplementing pipeline (13) in a tapping mode, and a butterfly valve is arranged on the water supplementing pipeline (13).
4. The ecological defrosting air source heat pump system based on the molten salt heating mechanism as claimed in claim 1, wherein the tail end of the defrosting tank outlet pipeline (10) is connected with a pipeline A and a pipeline B in a tapping mode, the pipeline A is used for connecting the defrosting tank outlet pipeline (10) and a unit circulating water pump assembly, and the pipeline B is used for connecting the defrosting tank outlet pipeline (10) and the heat storage water tank (4).
5. The ecological defrosting air source heat pump system based on the molten salt heating mechanism as claimed in claim 1, wherein the tail end of the water supply pipeline (11) is connected with a pipeline A and a pipeline B in a tapping mode, the pipeline A is used for connecting the water supply pipeline (11) with a water inlet (201) of a molten salt heating defrosting tank, the pipeline B is used for connecting the water supply pipeline (11) with a water inlet of a heat storage water tank (4), an electric valve (7) is arranged on the pipeline A, and a water feeding electric valve (8) is arranged on the pipeline B.
6. An ecological defrosting air source heat pump system based on a fused salt heating mechanism as claimed in claim 1, wherein a heat exchanger (204) is arranged inside the fused salt heating defrosting tank (2).
7. An ecological defrosting air source heat pump system based on a fused salt heating mechanism as claimed in claim 1, wherein a salt storage bin (205) is arranged in the fused salt heating defrosting tank (2).
8. The ecological defrosting type air source heat pump system based on the fused salt heating mechanism as claimed in claim 1, wherein a water tank temperature sensing head (16) is arranged at the lower part of the fused salt heating defrosting tank (2).
9. An ecological defrosting air source heat pump system based on a fused salt heating mechanism as claimed in claim 1, wherein a drain outlet (206) is arranged at the bottom of the fused salt heating defrosting tank (2).
10. An ecological defrosting air source heat pump system based on a fused salt heating mechanism as claimed in claim 4, wherein a backwater electric valve (9) is arranged on the pipeline B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421210012.2U CN222459635U (en) | 2024-05-30 | 2024-05-30 | An ecological defrosting air source heat pump system based on molten salt heating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421210012.2U CN222459635U (en) | 2024-05-30 | 2024-05-30 | An ecological defrosting air source heat pump system based on molten salt heating mechanism |
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| Publication Number | Publication Date |
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| CN222459635U true CN222459635U (en) | 2025-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421210012.2U Active CN222459635U (en) | 2024-05-30 | 2024-05-30 | An ecological defrosting air source heat pump system based on molten salt heating mechanism |
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| CN (1) | CN222459635U (en) |
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- 2024-05-30 CN CN202421210012.2U patent/CN222459635U/en active Active
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