CN210688817U - Gas suspension intermediate-deep secondary utilization ground source heat pump unit - Google Patents
Gas suspension intermediate-deep secondary utilization ground source heat pump unit Download PDFInfo
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- CN210688817U CN210688817U CN201921558362.7U CN201921558362U CN210688817U CN 210688817 U CN210688817 U CN 210688817U CN 201921558362 U CN201921558362 U CN 201921558362U CN 210688817 U CN210688817 U CN 210688817U
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- expansion valve
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- 239000000725 suspension Substances 0.000 title claims abstract description 17
- 239000003507 refrigerant Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The utility model relates to a ground source heat pump unit technical field specifically is a deep reutilization ground source heat pump unit in gas suspension, including the compressor, the condenser, expansion valve V1, the economizer, expansion valve V2 and evaporimeter, the compressor export is through check valve and condenser access connection, condenser export and expansion valve V1 access connection, expansion valve V1 export and economizer access connection, the economizer export and expansion valve V2 access connection, expansion valve V2 export and evaporimeter access connection, evaporimeter export compressor access connection. The ground source heat pump unit can directly utilize medium-temperature water after primary utilization of medium-depth layer water as a source side water source, saves secondary heat exchange, reduces energy consumption, meets low pressure ratio, and has the advantages of low noise and high energy efficiency.
Description
Technical Field
The utility model relates to a ground source heat pump unit technical field specifically is a deep reutilization ground source heat pump unit in gas suspension.
Background
The water temperature of the source side from the middle-deep ground source is at least 30 ℃ after the primary utilization, the water temperature is higher, the secondary utilization is realized by adding a set of heat exchange system in the middle and then entering a conventional heat pump unit after the temperature reduction treatment, and the mode has the defects of large heat loss and high energy consumption. The water temperature at the source side of the middle-deep ground source is above 30 ℃, the water temperature required by the load is 45 ℃, and the compression ratio of the two is small, so that the existing ground source heat pump unit is difficult to meet the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that prior art exists, provide a deep reutilization ground source heat pump unit in gas suspension.
The utility model provides a technical scheme that its technical problem adopted is: a ground source heat pump unit for secondary utilization of gas suspension middle and deep layers comprises a compressor, a condenser, an expansion valve V1, an economizer, an expansion valve V2 and an evaporator, wherein an outlet of the compressor is connected with an inlet of the condenser through a check valve, an outlet of the condenser is connected with an inlet of the expansion valve V1, an outlet of the expansion valve V1 is connected with an inlet of the economizer, an outlet of the economizer is connected with an inlet of the expansion valve V2, an outlet of the expansion valve V2 is connected with an inlet of the evaporator, and an outlet of the evaporator is connected with.
Preferably, the condenser is provided with an air supply outlet, the air supply outlet is connected with an inlet of a refrigerant pump, an outlet of the refrigerant pump is connected with an inlet of an air supply tank, and an outlet of the air supply tank is connected with an air supply port of a bearing of the compressor.
Preferably, the outlet of the condenser is further connected with the inlet of an expansion valve V3, the outlet of the expansion valve V3 is connected with the cooling inlet of the compressor, and the cooling outlet of the compressor is connected with the return air inlet of the evaporator.
Preferably, the economizer is provided with an make-up air outlet connected to the compressor interstage make-up air inlet.
Preferably, the compressor is an air suspension compressor.
Preferably, the condenser is connected to a load.
Preferably, the evaporator is connected with a ground source.
The beneficial effects of the utility model are that, the middle temperature water after the deep layer goes out of once only can directly be utilized to the ground source heat pump unit of this application is the source side water source, has saved the secondary heat transfer, has reduced the energy consumption, and satisfies the low-pressure ratio, has the advantage that the noise is low, the efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a heat pump unit of the present application.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1, the gas suspension ground source heat pump unit for secondary utilization of middle and deep layers comprises a compressor, a condenser, an expansion valve V1, an economizer, an expansion valve V2 and an evaporator, wherein an outlet of the compressor is connected with an inlet of the condenser through a check valve, an outlet of the condenser is connected with an inlet of the expansion valve V1, an outlet of the expansion valve V1 is connected with an inlet of the economizer, an outlet of the economizer is connected with an inlet of the expansion valve V2, an outlet of the expansion valve V2 is connected with an inlet of the evaporator, and an outlet of the evaporator is. Wherein, the compressor is the floated compressor of gas, and load is connected to the condenser, and ground source is connected to the evaporimeter.
The low-temperature low-pressure refrigerant gas is discharged by a gas suspension type compressor, is condensed into medium-temperature high-pressure liquid through a condenser, is subjected to primary throttling through an expansion valve V1, is subjected to secondary throttling through an economizer and an expansion valve V2 to form low-temperature low-pressure liquid, then enters an evaporator to absorb heat and is evaporated into low-temperature low-pressure gas, and finally returns to the compressor.
The condenser is provided with an air supply outlet, the air supply outlet is connected with an inlet of a refrigerant pump, an outlet of the refrigerant pump is connected with an inlet of an air supply tank, and an outlet of the air supply tank is connected with an air supply port of a bearing of the compressor. The gas separated from the condenser is supplied to the compressor through the gas supply tank by the operation of the refrigerant pump.
The outlet of the condenser is also connected with the inlet of an expansion valve V3, the outlet of an expansion valve V3 is connected with the cooling inlet of the compressor, and the cooling outlet of the compressor is connected with the air return inlet of the evaporator. Part of the liquid from the condenser is returned to the compressor cavity via expansion valve V3, cooled and returned to the evaporator.
The economizer is provided with an air supply outlet, and the air supply outlet is connected with an interstage air supply inlet of the compressor. The vapor from the economizer returns to the interstage gas supplementing port of the compressor, so that the amount of refrigerant gas of the compressor can be increased, and the refrigerating capacity is increased.
The ground source heat pump unit can directly utilize medium-temperature water after primary utilization of medium-depth layer water as a source side water source, saves secondary heat exchange, reduces energy consumption, meets low pressure ratio, and has the advantages of low noise and high energy efficiency.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (7)
1. The utility model provides a gas suspension middle and deep secondary utilization ground source heat pump unit which characterized in that: the system comprises a compressor, a condenser, an expansion valve V1, an economizer, an expansion valve V2 and an evaporator, wherein the outlet of the compressor is connected with the inlet of the condenser through a check valve, the outlet of the condenser is connected with the inlet of the expansion valve V1, the outlet of the expansion valve V1 is connected with the inlet of the economizer, the outlet of the economizer is connected with the inlet of the expansion valve V2, the outlet of the expansion valve V2 is connected with the inlet of the evaporator, and the outlet of the evaporator is connected with the inlet.
2. The gas suspension ground source heat pump unit for secondary utilization of the middle and deep layers as claimed in claim 1, characterized in that: the condenser is provided with an air supply outlet, the air supply outlet is connected with an inlet of a refrigerant pump, an outlet of the refrigerant pump is connected with an inlet of an air supply tank, and an outlet of the air supply tank is connected with an air supply port of a bearing of the compressor.
3. The gas suspension ground source heat pump unit for secondary utilization of the middle and deep layers as claimed in claim 1, characterized in that: the outlet of the condenser is also connected with the inlet of an expansion valve V3, the outlet of an expansion valve V3 is connected with the cooling inlet of the compressor, and the cooling outlet of the compressor is connected with the air return inlet of the evaporator.
4. The gas suspension ground source heat pump unit for secondary utilization of the middle and deep layers as claimed in claim 1, characterized in that: the economizer is provided with an air supply outlet, and the air supply outlet is connected with an interstage air supply inlet of the compressor.
5. The gas suspension ground source heat pump unit for secondary utilization of the middle and deep layers as claimed in claim 1, characterized in that: the compressor is a gas suspension type compressor.
6. The gas suspension ground source heat pump unit for secondary utilization of the middle and deep layers as claimed in claim 1, characterized in that: the condenser is connected with a load.
7. The gas suspension ground source heat pump unit for secondary utilization of the middle and deep layers as claimed in claim 1, characterized in that: the evaporator is connected with a ground source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558362.7U CN210688817U (en) | 2019-09-19 | 2019-09-19 | Gas suspension intermediate-deep secondary utilization ground source heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558362.7U CN210688817U (en) | 2019-09-19 | 2019-09-19 | Gas suspension intermediate-deep secondary utilization ground source heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210688817U true CN210688817U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921558362.7U Active CN210688817U (en) | 2019-09-19 | 2019-09-19 | Gas suspension intermediate-deep secondary utilization ground source heat pump unit |
Country Status (1)
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| CN (1) | CN210688817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032804A (en) * | 2020-07-27 | 2020-12-04 | 中国地质科学院水文地质环境地质研究所 | Power generation and centralized heating system and method for gradient development and utilization of medium-low temperature geothermal energy |
-
2019
- 2019-09-19 CN CN201921558362.7U patent/CN210688817U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032804A (en) * | 2020-07-27 | 2020-12-04 | 中国地质科学院水文地质环境地质研究所 | Power generation and centralized heating system and method for gradient development and utilization of medium-low temperature geothermal energy |
| CN112032804B (en) * | 2020-07-27 | 2022-02-22 | 中国地质科学院水文地质环境地质研究所 | Power generation and centralized heating system and method for gradient development and utilization of medium-low temperature geothermal energy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A ground source heat pump unit for secondary utilization of air suspension medium and deep layer Effective date of registration: 20220520 Granted publication date: 20200605 Pledgee: Zhejiang Anji Rural Commercial Bank of the West Branch of Limited by Share Ltd. Pledgor: ZHEJIANG LUBO ENVIRONMENT EQUIPMENT CO.,LTD. Registration number: Y2022330000733 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200605 Pledgee: Zhejiang Anji Rural Commercial Bank of the West Branch of Limited by Share Ltd. Pledgor: ZHEJIANG LUBO ENVIRONMENT EQUIPMENT CO.,LTD. Registration number: Y2022330000733 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |