CN217715630U - Modular air suspension water chilling unit operation system - Google Patents
Modular air suspension water chilling unit operation system Download PDFInfo
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- CN217715630U CN217715630U CN202221739147.9U CN202221739147U CN217715630U CN 217715630 U CN217715630 U CN 217715630U CN 202221739147 U CN202221739147 U CN 202221739147U CN 217715630 U CN217715630 U CN 217715630U
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Abstract
The utility model discloses a modular gas suspension cooling water set operation system, which relates to the technical field of centrifugal compressors and comprises a gas suspension centrifugal compressor unit, an evaporator, a condenser, a water tank, a cooling tower and a gas supply structure, wherein a self-circulation pipeline structure is arranged between the gas suspension centrifugal compressor unit, the evaporator and the condenser, a cooling structure is added on the self-circulation pipeline structure, the cooling structure comprises the water tank, the cooling tower and a plate heat exchanger, the outward exhaust hole pipeline of the gas suspension centrifugal compressor unit is communicated with the condenser, a switching loop pipeline is connected between the condenser and the evaporator, and one end of the evaporator is connected with a return pipeline; the utility model discloses at the in-process that uses, need not to add oil circulation system and cooling system among the entire system, utilize temperature difference, pressure differential and multiunit auxiliary structure, realize the inside heat self-loopa of whole unit to reach the effect of lubricated bearing chamber and cooling motor end.
Description
Technical Field
The utility model relates to a centrifugal compressor technical field especially relates to a modular gas suspension cooling water set operating system.
Background
The air suspension compressor water chilling unit mainly comprises an air suspension centrifugal compressor, a condenser, an evaporator, an air supply structural system, a motor cooling system, a throttling device and related pipelines, the whole unit has more parts and is complex, and a traditional centrifugal compressor transmission system needs to be lubricated and cooled by oil, so that an oil circulation system and a cooling system are additionally arranged in an operation system, and the structure of the operation system is more complex;
in view of the above technical problem, the present application proposes a solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the modular gas suspension cooling water set operating system who provides need not to add oil circulation system and cooling system among the entire system, utilizes temperature difference, pressure differential and multiunit auxiliary structure, realizes the inside heat self-loopa of whole unit to reach the effect of lubricated bearing chamber and cooling motor end.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a modular gas suspension cooling water set operating system, includes gas suspension centrifugal compressor unit, evaporimeter, condenser, water tank, cooling tower and air feed structure, gas suspension centrifugal compressor unit, evaporimeter, condenser are provided with self-circulation pipeline structure each other, and the cooling structure has been increased in the self-circulation pipeline structure, contains water tank, cooling tower and plate heat exchanger among the cooling structure, gas suspension centrifugal compressor unit to communicate between outer exhaust hole pipeline and the condenser, be connected with the exchange loop pipeline between condenser and the evaporimeter, wherein evaporimeter one end is connected with return line, the terminal near gas pocket pipeline to the outside of return line and gas suspension centrifugal compressor unit communicates between, still be connected with second return line pipeline and first return line pipeline on the condenser respectively, second return line and first return line pipeline terminal communicate respectively with between gas suspension centrifugal compressor unit middle bearing cavity and the motor end cavity.
Preferably, a throttle valve assembly is arranged on the exchange loop pipeline, and the throttle valve assembly is respectively communicated with the evaporator and the condenser through the exchange loop pipeline.
Preferably, the first loop pipeline is provided with an electromagnetic valve.
Preferably, the second loop pipeline is respectively provided with a gear pump and an air supply structure, and the air supply structure is also provided with an electric heating structure.
Preferably, heat exchange loop pipelines are arranged between the plate heat exchanger and the water tank, between the plate heat exchanger and the evaporator and between the plate heat exchanger and the condenser, and the heat exchange loop pipelines are communicated with a liquid outlet at the bottom of the cooling tower through the water tank.
Preferably, the cooling tower is arranged at a position higher than the installation positions of the evaporator, the condenser and the water tank.
The utility model provides a modular gas suspension cooling water set operating system, beneficial effect lies in: compared with a centrifugal compressor running system used in the traditional sense, the whole system does not need to be additionally provided with a lubricating structure for a bearing cavity in the air compressor and a cooling structure for a motor end in the air compressor, the whole system takes a refrigerant in the centrifugal compressor as a main component, the compressor bearing protection and the motor cooling protection of the centrifugal compressor completely use a liquid refrigerant in a condenser, and in the starting process of a unit, the temperature and pressure change in the self characteristics of the refrigerant is realized by using the temperature difference and the pressure difference, and the primary heat exchange is realized through the turnover of an evaporator and the condenser;
in the heat exchange process, the refrigerator after heat exchange can be extracted to respectively aim at a bearing cavity and a motor end cavity in the air suspension centrifugal compressor, and a refrigerant is used as a lubricating medium in the bearing cavity and a cooling medium in the motor end cavity;
the final cooling process is realized by the plate heat exchanger and the cooling tower, so that simplification in the heat exchange process is realized, and heat dissipation is realized by matching with the cooling tower.
Drawings
Fig. 1 is a schematic structural diagram of an operating system of a modular gas suspension chiller according to the present invention;
fig. 2 is a side view of fig. 1 in a modular air suspension chiller operating system according to the present invention.
In the figure: 1. a gas suspension centrifugal compressor unit; 2. a first loop conduit; 3. an electromagnetic valve; 4. a condenser; 5. an exchange circuit conduit; 6. a throttle valve assembly; 7. a heat exchange circuit conduit; 8. a cooling tower; 9. a water tank; 10. a plate heat exchanger; 11. a second loop conduit; 12. a gear pump; 13. a return line; 14. an evaporator; 15. and a gas supply structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a modular gas suspension chiller running system includes a gas suspension centrifugal compressor unit 1, an evaporator 14, a condenser 4, a water tank 9, a cooling tower 8 and a gas supply structure 15, the gas suspension centrifugal compressor unit 1, the evaporator 14 and the condenser 4 are provided with a self-circulation pipeline structure, the self-circulation pipeline structure is additionally provided with a cooling structure, the cooling structure includes the water tank 9, the cooling tower 8 and a plate heat exchanger 10, an external exhaust pipeline of the gas suspension centrifugal compressor unit 1 is communicated with the condenser 4, an exchange loop pipeline 5 is connected between the condenser 4 and the evaporator 14, one end of the evaporator 14 is connected with a return pipeline 13, the end of the return pipeline 13 is communicated with an external near air hole pipeline of the gas suspension centrifugal compressor unit 1, the condenser 4 is further connected with a second loop pipeline 11 and a first loop pipeline 2, the ends of the second loop pipeline 11 and the first loop pipeline 2 are respectively communicated with a bearing cavity and a motor end cavity in the gas suspension centrifugal compressor unit 1, the exchange loop pipeline 5 is provided with a throttle valve assembly 6, the valve assembly 6 is respectively communicated with the evaporator 14 and the condenser 4 through the exchange loop pipeline 5, the second loop pipeline 2 is provided with a solenoid valve assembly 15, the second loop pipeline 11 and the condenser 4, the gas supply structure 15 are provided with a heating structure 15, and a gas supply structure 15 are provided with the gas supply structure. A heat exchange loop pipeline 7 is arranged among the plate heat exchanger 10, the water tank 9, the evaporator 14 and the condenser 4, the heat exchange loop pipeline 7 is communicated with a liquid outlet at the bottom of the cooling tower 8 through the water tank 9, and the arrangement position of the cooling tower 8 is higher than the installation positions of the evaporator 14, the condenser 4 and the water tank 9.
As described above, in the operation process of the air suspension centrifugal compressor unit 1, the bearing cavity inside the air suspension centrifugal compressor unit may have large mechanical wear, and the temperature of the motor end cavity in the air compressor may gradually increase, so that in the use process, the embodiments one, two and three are included:
the first embodiment is as follows: connecting an external exhaust hole pipeline on the gas suspension centrifugal compressor unit 1 to the condenser 4, so that when the gas suspension centrifugal compressor unit 1 is started, the refrigerant gas in the gas suspension centrifugal compressor unit is in a high-temperature high-pressure state, after the high-temperature high-pressure refrigerant gas enters the condenser 4, the high-temperature high-pressure refrigerant gas and cooling water in the condenser 4 fully exchange heat to form a low-temperature high-pressure liquid saturated refrigerant, and in the state, the refrigerant gas is converted into a low-temperature high-pressure state from the high-temperature high-pressure state, so that the temperature is changed;
then, the low-temperature high-pressure liquid saturated refrigerant enters the evaporator 14 through the exchange loop pipeline 5, in the process, the low-temperature high-pressure liquid saturated refrigerant firstly passes through the throttle valve assembly 6, the low-temperature high-pressure liquid protection refrigerant forms low-temperature low-pressure refrigerant liquid and enters the evaporator 14, the low-temperature low-pressure refrigerant liquid is evaporated in the evaporator 14 and can fully exchange heat with chilled water in the evaporator 14 to form low-temperature low-pressure gaseous refrigerant, and finally the gaseous low-temperature low-pressure refrigerant returns to a gas return port in the gas suspension centrifugal compressor unit 1 through the return pipeline 13 to wait for the next cycle;
according to the steps, the cycle is carried out, the shape, the temperature, the pressure and the like of the refrigerant in the gas suspension centrifugal compressor unit 1 are changed, and when the gas suspension centrifugal compressor unit 1 runs, the primary heat exchange process of the refrigerant in the gas suspension centrifugal compressor unit 1 is realized;
example two: the operation is carried out synchronously in the first embodiment, a low-temperature high-pressure liquid saturated refrigerant exists in the condenser 4, then the liquid saturated refrigerant existing in the condenser 4 can be extracted by starting the gear pump 12 and firstly enters the air supply structure 15 along the second loop pipeline 11, the liquid refrigerant passes through an electric heating structure arranged in the air supply structure 15 to be heated to form a gaseous refrigerant, and the gaseous refrigerant slowly flows in the second loop pipeline 11 until flowing into a bearing cavity in the air suspension centrifugal compressor unit 1, and the gaseous refrigerant is used as a lubricating medium in the bearing cavity;
in addition, the condenser 4 is also connected with a first loop pipeline 2, the high-pressure state existing in the condenser 4 is utilized, and the low-temperature high-pressure liquid protection refrigerant is extruded into a motor end cavity in the gas suspension centrifugal compressor unit 1 under the action of pressure difference by changing the opening and closing state of the electromagnetic valve 3 to be used as a cooling medium in the region;
by combining the two parts, no additional lubricating oil supply device and cooling device are needed to be added in the whole operation system, self-lubrication and self-cooling are realized only by utilizing the form change, pressure change and temperature change of the refrigerant in the evaporator 14 and the condenser 4, and finally the refrigerant existing in the bearing cavity and the motor end cavity is gathered to the external exhaust hole pipeline on the air suspension centrifugal compressor unit 1 and circulated again according to the content described in the first embodiment;
example three: the part belongs to an external cooling structure in an integral operation system, chilled water generated by an evaporator 14 area and cooling water generated by a condenser 4 area of the air suspension compressor unit 1 can enter a plate heat exchanger 10 along a heat exchange loop pipeline 7, after heat exchange is realized, the chilled water and the cooling water flow back to the evaporator 14 or the condenser 4 along the heat exchange loop pipeline 7 on the corresponding positions, redundant heat can enter a cooling tower 8 along the heat exchange loop pipeline 7, and the heat naturally dissipates into the atmosphere under the action of the cooling tower 8.
In conclusion, an oil circulation system and a cooling system do not need to be additionally arranged in the whole system, and the heat self-circulation in the whole unit is realized by utilizing the temperature difference, the pressure difference and a plurality of groups of auxiliary structures, so that the effects of lubricating a bearing cavity and cooling the motor end are achieved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a modular air suspension cooling water set operating system, includes air suspension centrifugal compressor unit (1), evaporimeter (14), condenser (4), water tank (9), cooling tower (8) and air feed structure (15), its characterized in that, air suspension centrifugal compressor unit (1), evaporimeter (14), condenser (4) are provided with from circulation pipeline structure each other, and the cooling structure has been add to the self-circulation pipeline structure, contains water tank (9), cooling tower (8) and plate heat exchanger (10) among the cooling structure, communicate between the outer exhaust hole pipeline of air suspension centrifugal compressor unit (1) and condenser (4), be connected with exchange circuit pipeline (5) between condenser (4) and evaporimeter (14), wherein evaporimeter (14) one end is connected with return line (13), communicate between the outer nearly gas pocket pipeline of return line (13) end and air suspension centrifugal compressor unit (1), still be connected with second return circuit pipeline (11) and second return circuit pipeline (2) respectively on condenser (4), second return circuit pipeline (11) and second return line end pipeline (2) communicate between the end and the centrifugal compressor unit (1) centrifugal compressor unit end chamber and the centrifugal compressor motor of air suspension respectively.
2. The modular gas suspension chiller operation system according to claim 1, wherein a throttle valve assembly (6) is disposed on the exchange loop piping (5), and the throttle valve assembly (6) is communicated with the evaporator (14) and the condenser (4) through the exchange loop piping (5), respectively.
3. A modular gas-suspension chiller operating system as claimed in claim 1, characterized in that the first loop pipe (2) is provided with a solenoid valve (3).
4. The modular gas suspension chiller operation system according to claim 1, wherein the second loop pipeline (11) is provided with a gear pump (12) and a gas supply structure (15), and the gas supply structure (15) is further provided with an electric heating structure.
5. A modular gas-suspension chiller operating system as claimed in claim 1, characterized in that a heat exchange circuit pipe (7) is arranged between the plate heat exchanger (10) and the water tank (9), the evaporator (14) and the condenser (4), and the heat exchange circuit pipe (7) is communicated with the liquid outlet at the bottom of the cooling tower (8) through the water tank (9).
6. A modular gas suspension chiller operating system as claimed in claim 5, characterized in that said cooling tower (8) is located at a higher level than the evaporator (14), condenser (4) and water tank (9) installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221739147.9U CN217715630U (en) | 2022-07-07 | 2022-07-07 | Modular air suspension water chilling unit operation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221739147.9U CN217715630U (en) | 2022-07-07 | 2022-07-07 | Modular air suspension water chilling unit operation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217715630U true CN217715630U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221739147.9U Active CN217715630U (en) | 2022-07-07 | 2022-07-07 | Modular air suspension water chilling unit operation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217715630U (en) |
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2022
- 2022-07-07 CN CN202221739147.9U patent/CN217715630U/en active Active
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