CN212409122U - Air source air suspension centrifugal cold water heat pump device - Google Patents
Air source air suspension centrifugal cold water heat pump device Download PDFInfo
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- CN212409122U CN212409122U CN202020836661.9U CN202020836661U CN212409122U CN 212409122 U CN212409122 U CN 212409122U CN 202020836661 U CN202020836661 U CN 202020836661U CN 212409122 U CN212409122 U CN 212409122U
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Abstract
The utility model discloses an air source air suspension centrifugal cold water heat pump device, which comprises an air suspension centrifugal compressor, a four-way valve, an air source heat exchanger, a liquid reservoir, an economizer, a liquid pump, an air tank and a dual-purpose heat exchanger, wherein the air suspension centrifugal compressor is provided with two-stage impellers which are respectively a first-stage impeller and a second-stage impeller, and a motor and a bearing are arranged between the first-stage impeller and the second-stage impeller; a second-stage impeller of the air suspension centrifugal compressor is connected with a first port of the four-way valve; the second port of the four-way valve is connected with the air suction port of the first-stage impeller of the air suspension centrifugal compressor; and a third port of the four-way valve is connected with an inlet of the air source heat exchanger. The utility model discloses an air source gas suspension centrifugation cold water heat pump device adopts the floated centrifugal compressor of gas as promoting power, does not have oil return circuit and oil cooling system in the system, has simplified the device, has guaranteed system performance and reliability.
Description
Technical Field
The utility model relates to an air source gas suspension centrifugation cold water heat pump device.
Background
The large-scale cold water heat pump devices on the market at present are screw type and centrifugal type products, oil lubrication rotors and bearings are adopted in screw type compressors, oil lubrication bearings are adopted in most of the centrifugal type compressors, and magnetic suspension type bearings are adopted in a small part of the centrifugal type compressors. The traditional compressor-containing system brings many hidden dangers of reliability, such as compressor jamming, motor burnout and the like, and the performance of a unit is reduced and the heat transfer coefficient of a heat exchanger is reduced after oil is brought into the system. Meanwhile, the magnetic suspension type compressor has low reliability and extremely high maintenance cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's defect, providing an air source gas suspension centrifugation cold water heat pump device, adopting the floated centrifugal compressor of gas as promoting power, do not have oil return circuit and oil cooling system in the system, simplified the device, guaranteed system performance and reliability.
The technical scheme for realizing the purpose is as follows: the utility model provides an air source gas suspension centrifugation cold water heat pump device, includes gas suspension centrifugal compressor, cross valve, air source heat exchanger, reservoir, economic ware, liquid pump, gas pitcher and dual-purpose heat exchanger, wherein:
the air suspension centrifugal compressor is provided with two stages of impellers, the two stages of impellers are respectively a first-stage impeller and a second-stage impeller, and a motor and a bearing are arranged between the first-stage impeller and the second-stage impeller;
a second-stage impeller of the air suspension centrifugal compressor is connected with a first port of the four-way valve;
the second port of the four-way valve is connected with the air suction port of the first-stage impeller of the air suspension centrifugal compressor;
the third port of the four-way valve is connected with the inlet of the air source heat exchanger;
a fourth port of the four-way valve is connected with a first interface of the dual-purpose heat exchanger;
an outlet of the air source heat exchanger is connected with a first interface of the liquid storage device through a first pipeline;
a second interface of the liquid storage device is connected with an inlet of the economizer through a first throttling device, and an outlet pipeline of the economizer is provided with a second throttling device;
the second throttling device is communicated with a second interface of the dual-purpose heat exchanger through a second pipeline;
the second throttling device is communicated with the first pipeline through a third pipeline;
a third interface of the dual-purpose heat exchanger is communicated with the first pipeline through a fourth pipeline;
the economizer is connected with the gas suspension centrifugal compressor;
and the third interface of the liquid storage device, the liquid pump, the gas tank and the motor are sequentially connected.
The air source air suspension centrifugal cold water heat pump device is characterized in that the air source heat exchanger is a finned tube heat exchanger.
The air source air suspension centrifugal cold water heat pump device is characterized in that a heating device is arranged in the air tank.
In the above air source air suspension centrifugal cold water heat pump device, the dual-purpose heat exchanger is a flooded or falling film heat exchanger.
In the above air source air suspension centrifugal cold water heat pump device, the bearing is an air suspension bearing.
In the air source air suspension centrifugal cold water heat pump device, the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are respectively provided with a check valve.
In the above air source air suspension centrifugal cold water heat pump device, the check valve on the first pipeline is located between the joint of the first pipeline and the third pipeline and the joint of the first pipeline and the third pipeline.
In the air source air suspension centrifugal cold water heat pump device, an electromagnetic valve is arranged between the connection position of the second interface of the liquid reservoir and the first throttling device and the motor.
The utility model discloses an air supply gas suspension centrifugation cold water heat pump device can utilize the air source to realize the refrigeration function of heating, has reduced oil system, and gas suspension is reliable and stable, and the pressure ratio is higher, and efficiency is higher, is an environment-friendly new forms of energy equipment.
Drawings
Fig. 1 is a schematic structural diagram of the air source air suspension centrifugal cold water heat pump device 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, a preferred embodiment of the present invention is an air source air suspension centrifugal cold water heat pump device, which includes an air suspension centrifugal compressor 1, a four-way valve 3, an air source heat exchanger 4, a liquid reservoir 6, an economizer 8, a liquid pump 9, a gas tank 10 and a dual-purpose heat exchanger 11.
The air suspension centrifugal compressor 1 is provided with two-stage impellers which are a first-stage impeller 101 and a second-stage impeller 102 respectively, a motor and a bearing 2 are arranged between the first-stage impeller 101 and the second-stage impeller 102, the bearing 2 adopts an air suspension bearing, and air in the motor and the bearing 2 is provided by an air tank 10.
The two-stage impeller 102 of the 1-stage air suspension centrifugal compressor is connected with a first port 3a of a four-way valve 3; a second port 3b of the four-way valve 3 is connected with an air suction port of a first-stage impeller 101 of the air suspension centrifugal compressor 1; a third port 3c of the four-way valve 3 is connected with an inlet of the air source heat exchanger 4; a fourth port 3d of the four-way valve 3 is connected with a first interface 11a of the dual-purpose heat exchanger 11; the outlet of the air source heat exchanger 4 is connected to the first port 6a of the reservoir 6 through a first pipe 21.
The second port 6b of the reservoir 6 is connected with the inlet of the economizer 8 through a first throttling device 71, and the outlet pipeline of the economizer 8 is provided with a second throttling device 72; the second throttling device 72 is communicated with the second port 11b of the dual-purpose heat exchanger 11 through the second pipeline 22; the second throttling means 72 communicates with the first duct 21 through the third duct 23; the third port 11c of the dual-purpose heat exchanger 11 is communicated with the first pipeline 21 through a fourth pipeline 24;
the economizer 8 is connected to the gas suspension centrifugal compressor 1.
The third port 6c of the liquid reservoir 6, the liquid pump 9, the gas tank 10 and the motor are connected in sequence.
The air source heat exchanger 4 is a finned tube heat exchanger. The gas tank 10 is internally provided with a heating device.
The dual-purpose heat exchanger 11 is a flooded type or falling film type heat exchanger. The dual-purpose heat exchanger 11 has three ports for serving as an evaporator during cooling and a condenser during heating.
The first, second, third and fourth pipes 21, 22, 23 and 24 are provided with check valves 5, respectively. The non-return valve 5 on the first duct 21 is located between the junction e of the first duct 21 and the third duct 23 and the junction f of the first duct 21 and the third duct. An electromagnetic valve 15 is arranged between the motor and the joint g of the second port 6b of the liquid reservoir 6 and the first throttling device 71.
The utility model discloses an air source gas suspension centrifugation cold water heat pump device, the refrigeration embodiment is: refrigerant gas is compressed by a first-stage impeller 101 of the gas suspension centrifugal compressor 1, mixed with a gaseous refrigerant of the economizer 8, introduced into a second-stage impeller 102 of the gas suspension centrifugal compressor 1, compressed, introduced into the four-way valve 3 through a first port 3a of the four-way valve 3, then enters the air source heat exchanger 4 through the third port 3c of the four-way valve 3, after the refrigerant is cooled into liquid through the air source heat exchanger 4, flows into the reservoir 6 through the first pipe 21, passes through the first throttle 71 and the second throttle 72, the refrigerant enters the dual-purpose heat exchanger 11 through the second pipeline 22 and the second interface 11b of the dual-purpose heat exchanger 11 to be evaporated, and the evaporated refrigerant gas passes through the fourth port 3d of the four-way valve 3 and the second port 3b of the four-way valve 3 in sequence through the first interface 11a of the dual-purpose heat exchanger 11 and returns to the suction port of the first-stage impeller 101 of the air suspension centrifugal compressor 1 to form a refrigeration cycle.
The heat pump embodiment is: refrigerant gas is compressed by a first-stage impeller 101 of the gas suspension centrifugal compressor 1, mixed with gaseous refrigerant of the economizer 8, enters a second-stage impeller 102 of the gas suspension centrifugal compressor 1, is compressed, enters the four-way valve 3 through a first port 3a of the four-way valve 3, then enters the dual-purpose heat exchanger 11 through a fourth port 3d of the four-way valve 3 and a first port 11a of the dual-purpose heat exchanger 11 in sequence, is cooled into liquid by the dual-purpose heat exchanger 11, flows out of a third port 11c of the dual-purpose heat exchanger 11, flows into the liquid reservoir 6 through a fourth pipeline 24, then passes through the first throttling device 71, the economizer 8, the second throttling device 72, the third pipeline 23 and the first pipeline 21 in sequence, enters the air source heat exchanger 4 from an outlet of the air source heat exchanger 4 to be evaporated, and the evaporated refrigerant gas flows through an inlet of the air source heat exchanger, The third port 3c and the second port 3b of the four-way valve 3 return to the suction port of the first-stage impeller 101 of the air-suspending centrifugal compressor 1 to form a refrigeration cycle. The liquid pump 9 extracts the refrigerant from the liquid storage 6, the refrigerant is heated by the gas tank 10, the gaseous refrigerant enters the bearing 2 and the machine of the electric suspension centrifugal compressor 1 to suspend the bearing 2 and support the motor shaft of the motor, an electromagnetic valve 15 is arranged between the connection g of the second interface 6b of the liquid storage 6 and the first throttling device 71 and the motor and used for cooling the motor, and the refrigerant heated by the motor returns to the suction port of the air suspension centrifugal compressor 1 to form circulation.
To sum up, the utility model discloses an air source gas suspension centrifugation cold water heat pump device adopts the floated centrifugal compressor of gas as promoting power, does not have oil return circuit and oil cooling system in the system, has simplified the device, has guaranteed system performance and reliability.
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 (8)
1. The utility model provides an air source gas suspension centrifugation cold water heat pump device which characterized in that, includes gas suspension centrifugal compressor, cross valve, air source heat exchanger, reservoir, economic ware, liquid pump, gas pitcher and dual-purpose heat exchanger, wherein:
the air suspension centrifugal compressor is provided with two stages of impellers, the two stages of impellers are respectively a first-stage impeller and a second-stage impeller, and a motor and a bearing are arranged between the first-stage impeller and the second-stage impeller;
a second-stage impeller of the air suspension centrifugal compressor is connected with a first port of the four-way valve;
the second port of the four-way valve is connected with the air suction port of the first-stage impeller of the air suspension centrifugal compressor;
the third port of the four-way valve is connected with the inlet of the air source heat exchanger;
a fourth port of the four-way valve is connected with a first interface of the dual-purpose heat exchanger;
an outlet of the air source heat exchanger is connected with a first interface of the liquid storage device through a first pipeline;
a second interface of the liquid storage device is connected with an inlet of the economizer through a first throttling device, and an outlet pipeline of the economizer is provided with a second throttling device;
the second throttling device is communicated with a second interface of the dual-purpose heat exchanger through a second pipeline;
the second throttling device is communicated with the first pipeline through a third pipeline;
a third interface of the dual-purpose heat exchanger is communicated with the first pipeline through a fourth pipeline;
the economizer is connected with the gas suspension centrifugal compressor;
and the third interface of the liquid storage device, the liquid pump, the gas tank and the motor are sequentially connected.
2. The air source gas suspension centrifugal cold water heat pump device according to claim 1, wherein the air source heat exchanger is a finned tube heat exchanger.
3. The air source gas suspension centrifugal cold water heat pump device according to claim 1, wherein a heating device is arranged inside the air tank.
4. The air source gas suspension centrifugal cold water heat pump device according to claim 1, wherein the dual-purpose heat exchanger is a flooded or falling film heat exchanger.
5. The air source air suspension centrifugal cold water heat pump device according to claim 1, wherein the bearings are air suspension bearings.
6. The air source air suspension centrifugal cold water heat pump device according to claim 1, wherein check valves are respectively arranged on the first pipeline, the second pipeline, the third pipeline and the fourth pipeline.
7. The air source air suspension centrifugal cold water heat pump device according to claim 6, wherein the check valve on the first pipeline is located between the connection of the first pipeline and the third pipeline and the connection of the first pipeline and the third pipeline.
8. The air source air suspension centrifugal cold water heat pump device according to claim 1, wherein a solenoid valve is arranged between a connection of the second port of the accumulator and the first throttling device and the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020836661.9U CN212409122U (en) | 2020-05-19 | 2020-05-19 | Air source air suspension centrifugal cold water heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020836661.9U CN212409122U (en) | 2020-05-19 | 2020-05-19 | Air source air suspension centrifugal cold water heat pump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212409122U true CN212409122U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020836661.9U Active CN212409122U (en) | 2020-05-19 | 2020-05-19 | Air source air suspension centrifugal cold water heat pump device |
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| Country | Link |
|---|---|
| CN (1) | CN212409122U (en) |
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2020
- 2020-05-19 CN CN202020836661.9U patent/CN212409122U/en active Active
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