CN212409119U - Compensation type water-ground source screw machine heat pump unit - Google Patents
Compensation type water-ground source screw machine heat pump unit Download PDFInfo
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- CN212409119U CN212409119U CN202020835515.4U CN202020835515U CN212409119U CN 212409119 U CN212409119 U CN 212409119U CN 202020835515 U CN202020835515 U CN 202020835515U CN 212409119 U CN212409119 U CN 212409119U
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Abstract
The utility model discloses a compensation type ground source screw machine heat pump unit, which comprises a screw compressor, an oil separator, a three-way regulating valve, a first dual-purpose heat exchanger, a four-way reversing valve, a gas-liquid separator, an air source heat exchanger, a liquid reservoir, an economizer and a second dual-purpose heat exchanger, wherein the outlet of the gas-liquid separator, the screw compressor, the oil separator, the first port of the four-way reversing valve, the second port of the four-way reversing valve and the inlet of the gas-liquid separator are sequentially connected; the third port of the four-way reversing valve, the inlet of the three-way regulating valve, the first outlet of the three-way regulating valve and the inlet of the first dual-purpose heat exchanger are sequentially connected; the second outlet of the three-way regulating valve is connected with the inlet of the air source heat exchanger. The utility model discloses a compensation type ground source screw rod machine heat pump set to screw compressor is as power, can utilize the ground source to realize refrigeration, heat, refrigerate function such as heating simultaneously, has reduced the switching of user side, has guaranteed the reliable and stable of user side water system, and comprehensive efficiency is higher.
Description
Technical Field
The utility model relates to a compensation type ground source screw rod machine heat pump set.
Background
The realization forms of the large heat pump device are divided into two types: one is to adopt a water system switching mode and adopt a water type heat pump unit; the other type adopts an air cooling type, and the cooling and heating modes are switched through a four-way valve. Since the water heat pump cannot be switched on the fluorine side, it is necessary to realize cooling heat by a complicated water piping system. The air-cooled heat pump can only realize heating and cooling independently, and can only meet a certain functional requirement when performing a heat recovery function.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's defect, providing a compensation type ground source screw rod machine heat pump set to screw compressor is as power, can utilize the ground source to realize refrigeration, heat, the refrigeration function such as heat simultaneously, has reduced the switching of user side, has guaranteed the reliable and stable of user side water system, and comprehensive efficiency is higher.
The technical scheme for realizing the purpose is as follows: the utility model provides a compensation type ground source screw machine heat pump set, includes screw compressor, oil separator, three-way control valve, first dual-purpose heat exchanger, four-way reversing valve, vapour and liquid separator, air source heat exchanger, reservoir, economic ware and the dual-purpose heat exchanger of second, wherein:
the outlet of the gas-liquid separator, the screw compressor, the oil separator, the first port of the four-way reversing valve, the second port of the four-way reversing valve and the inlet of the gas-liquid separator are sequentially connected;
the third port of the four-way reversing valve, the inlet of the three-way regulating valve, the first outlet of the three-way regulating valve and the inlet of the first dual-purpose heat exchanger are sequentially connected; the second outlet of the three-way regulating valve is connected with the inlet of the air source heat exchanger;
an outlet of the air source heat exchanger is connected with an inlet of the liquid storage device through a first pipeline, and an outlet of the liquid storage device is connected with an inlet of the economizer;
the fourth port of the four-way reversing valve is connected with the first port of the second dual-purpose heat exchanger;
the outlet of the economizer is connected with a second interface of the second dual-purpose heat exchanger through a second pipeline;
the outlet of the economizer is communicated with the first pipeline through a third pipeline;
a third interface of the second dual-purpose heat exchanger is communicated with the first pipeline through a fourth pipeline;
an outlet of the first dual-purpose heat exchanger is communicated with the first pipeline through a fifth pipeline;
the economizer is connected with the screw compressor.
The compensation type ground source screw machine heat pump unit is characterized in that the screw compressor adopts a double-screw compressor or a single-screw compressor.
The compensation type ground source screw machine heat pump unit is characterized in that the air source heat exchanger is a finned tube heat exchanger.
The compensation type ground source screw machine heat pump unit is characterized in that the first dual-purpose heat exchanger and the second dual-purpose heat exchanger are respectively a flooded heat exchanger or a falling film heat exchanger.
The compensation type ground source screw machine heat pump unit is characterized in that the first pipeline, the second pipeline, the third pipeline, the fourth pipeline and the fifth pipeline are respectively provided with a one-way valve.
The above compensation type ground source screw machine heat pump unit, wherein, the oil return opening of oil separator links to each other with helical-lobe compressor.
The utility model discloses a compensation type ground source screw rod machine heat pump set can utilize the ground source to realize refrigeration, heat, refrigerate and heat functions such as simultaneously, has reduced the switching of user side, has guaranteed the reliable and stable of user side water system, and comprehensive efficiency is higher, is a multi-functional high-efficient equipment, and the helical-lobe compressor of adoption can satisfy the requirement that high temperature heated, and the pressure ratio is higher, and efficiency is higher, is an environment-friendly new forms of energy equipment.
Drawings
Fig. 1 is the schematic structural diagram of the compensation type ground source screw machine heat pump unit of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1, in accordance with the preferred embodiment of the present invention, a compensation type ground source screw machine heat pump unit includes a screw compressor 1, an oil separator 2, a three-way regulating valve 3, a first dual-purpose heat exchanger 4, a four-way reversing valve 5, a gas-liquid separator 6, an air source heat exchanger 7, a liquid reservoir 8, an economizer 9, and a second dual-purpose heat exchanger 10.
The outlet of the gas-liquid separator 6, the screw compressor 1, the oil separator 2, the first port 5a of the four-way reversing valve 5, the second port 5b of the four-way reversing valve 5 and the inlet of the gas-liquid separator 6 are sequentially connected, and the oil return port of the oil separator 2 is connected with the screw compressor 1.
The third port 5c of the four-way reversing valve 5, the inlet 3a of the three-way regulating valve 3, the first outlet 3b of the three-way regulating valve 3 and the inlet of the first dual-purpose heat exchanger 4 are connected in sequence; the second outlet 3c of the three-way regulating valve 3 is connected with the inlet of the air source heat exchanger 7. The three-way regulating valve 3 can regulate the flow of the two paths of outlets.
The outlet of the air source heat exchanger 7 is connected with the inlet of the reservoir 8 through a first pipeline 21, and the outlet of the reservoir 8 is connected with the inlet of the economizer 9.
The fourth port of the four-way reversing valve 55d is connected with the first port 10a of the second dual-purpose heat exchanger 10; the outlet of the economizer 9 is connected with a second interface 10b of the second dual-purpose heat exchanger 10 through a second pipeline 22; the outlet of the economizer 9 communicates with the first conduit 21 through a third conduit 23; the third port 10c of the second dual-purpose heat exchanger 10 is communicated with the first pipeline 21 through a fourth pipeline 24; the outlet of the first dual-purpose heat exchanger 4 is communicated with the first pipeline 21 through a fifth pipeline 25; the economizer 9 is connected to the screw compressor 1.
The screw compressor 1 is a twin screw compressor or a single screw compressor. The air source heat exchanger 7 is a fin tube heat exchanger. The first dual-purpose heat exchanger 4 and the second dual-purpose heat exchanger 10 respectively adopt a flooded heat exchanger or a falling film heat exchanger.
The first pipeline 21, the second pipeline 22, the third pipeline 23, the fourth pipeline 24 and the fifth pipeline 25 are respectively provided with a check valve 11, and the check valve 11 on the first pipeline 21 is positioned between a joint e of the third pipeline 23 and the first pipeline 21 and a joint f of the fifth pipeline 25 and the first pipeline 21.
The utility model discloses a compensation type ground source screw rod machine heat pump set, when using, the refrigeration embodiment is: refrigerant gas is compressed by the screw compressor 1, then passes through the oil separator 2, enters the four-way reversing valve 5 through a first port 5a of the four-way reversing valve 5, enters the dual-purpose heat exchanger for condensation 10 through a fourth port 5d of the four-way reversing valve 5 on one path, flows out of a third port 5c of the four-way reversing valve 5 on the other path, and enters the three-way regulating valve 3 through an inlet 3a of the three-way regulating valve 3; then, one path of the medium enters the first dual-purpose heat exchanger 4 through a first outlet 3b of the three-way regulating valve 3, the other path of the medium passes through a second outlet 3c of the three-way regulating valve and reaches the air source heat exchanger 7, the medium condensed by the first dual-purpose heat exchanger 4 enters the liquid storage device 8 through the fifth pipeline 25 and the one-way valve thereon, and the medium condensed by the air source heat exchanger 7 enters the liquid storage device 8 through the first pipeline 21 and the one-way valve thereon; and then, after passing through the economizer 9, one path of the refrigerant sequentially enters the first dual-purpose heat exchanger 4 along the third pipeline 23, the first pipeline 21 and the fifth pipeline 25 to be evaporated, and the other path of the refrigerant enters the screw compressor 1 to form a refrigeration cycle, wherein in the scheme, the second dual-purpose heat exchanger 10 is used for refrigeration, and the first dual-purpose heat exchanger 4 is used as a condenser.
Embodiment of heating: refrigerant gas is compressed by the screw compressor 1, enters the four-way reversing valve 5 through the oil separator 2 and the first port 5a of the four-way reversing valve 5, enters the second dual-purpose heat exchanger for condensation 10 through the fourth port 5d of the four-way reversing valve 5, enters the liquid reservoir 8 through the fourth pipeline 24, then passes through the economizer 9, one path of the air enters the first dual-purpose heat exchanger 4 along the third pipeline 23, the first pipeline 21 and the fifth pipeline 25 in sequence, the other path of the air enters the air source heat exchanger 7 along the third pipeline 23 and the first pipeline 21 in sequence, the air is converged to the three-way regulating valve 3 and passes through the three-way regulating valve 3 to the third port 5c of the four-way reversing valve 5, then returns to the screw compressor 1 through the second port 5b of the four-way reversing valve 5 and the gas-liquid separator 6 to form a circulation, wherein the second dual heat exchanger 10 is used for heating and the first dual heat exchanger 4 is used for an evaporator.
The first dual-purpose heat exchanger 4 and the second dual-purpose heat exchanger 10 can be connected to the cooling and heating applications at the same time, and therefore, are not described here.
To sum up, the utility model discloses a compensation type ground source screw rod machine heat pump set to screw compressor can utilize the ground source to realize refrigeration, heat, refrigerate functions such as heating simultaneously as power, has reduced the switching of user side, has guaranteed the reliable and stable of user side water system, and comprehensive efficiency is higher.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a compensation type ground source screw machine heat pump set which characterized in that, includes helical-lobe compressor, oil separator, three-way control valve, first dual-purpose heat exchanger, four-way switching-over valve, vapour and liquid separator, air source heat exchanger, reservoir, economic ware and the dual-purpose heat exchanger of second, wherein:
the outlet of the gas-liquid separator, the screw compressor, the oil separator, the first port of the four-way reversing valve, the second port of the four-way reversing valve and the inlet of the gas-liquid separator are sequentially connected;
the third port of the four-way reversing valve, the inlet of the three-way regulating valve, the first outlet of the three-way regulating valve and the inlet of the first dual-purpose heat exchanger are sequentially connected; the second outlet of the three-way regulating valve is connected with the inlet of the air source heat exchanger;
an outlet of the air source heat exchanger is connected with an inlet of the liquid storage device through a first pipeline, and an outlet of the liquid storage device is connected with an inlet of the economizer;
the fourth port of the four-way reversing valve is connected with the first port of the second dual-purpose heat exchanger;
the outlet of the economizer is connected with a second interface of the second dual-purpose heat exchanger through a second pipeline;
the outlet of the economizer is communicated with the first pipeline through a third pipeline;
a third interface of the second dual-purpose heat exchanger is communicated with the first pipeline through a fourth pipeline;
an outlet of the first dual-purpose heat exchanger is communicated with the first pipeline through a fifth pipeline;
the economizer is connected with the screw compressor.
2. The offset ground source screw machine heat pump unit of claim 1, wherein the screw compressor is a twin screw compressor or a single screw compressor.
3. The offset-type ground water source screw machine heat pump unit of claim 1, wherein the air source heat exchanger is a finned tube heat exchanger.
4. The compensated ground source screw machine heat pump unit of claim 1, wherein the first dual-purpose heat exchanger and the second dual-purpose heat exchanger are respectively a flooded heat exchanger or a falling film heat exchanger.
5. The offset type ground source screw machine heat pump unit of claim 1, wherein the first pipeline, the second pipeline, the third pipeline, the fourth pipeline and the fifth pipeline are respectively provided with a one-way valve.
6. The compensated ground source screw machine heat pump unit according to claim 1, wherein an oil return port of the oil separator is connected with the screw compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020835515.4U CN212409119U (en) | 2020-05-19 | 2020-05-19 | Compensation type water-ground source screw machine heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020835515.4U CN212409119U (en) | 2020-05-19 | 2020-05-19 | Compensation type water-ground source screw machine heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212409119U true CN212409119U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020835515.4U Active CN212409119U (en) | 2020-05-19 | 2020-05-19 | Compensation type water-ground source screw machine heat pump unit |
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| Country | Link |
|---|---|
| CN (1) | CN212409119U (en) |
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2020
- 2020-05-19 CN CN202020835515.4U patent/CN212409119U/en active Active
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