CN210320741U - Refrigerant medium compression system - Google Patents
Refrigerant medium compression system Download PDFInfo
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- CN210320741U CN210320741U CN201920845170.8U CN201920845170U CN210320741U CN 210320741 U CN210320741 U CN 210320741U CN 201920845170 U CN201920845170 U CN 201920845170U CN 210320741 U CN210320741 U CN 210320741U
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- tube condenser
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- compression system
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Abstract
The utility model provides a refrigerant medium compression system, including shell and tube condenser and dry-type evaporator, be connected with a plurality of groups refrigerant medium compression group between shell and tube condenser and the dry-type evaporator, have gaseous cooling water coil pipe and the freezing water coil pipe in shell and tube condenser and the dry-type evaporator of flowing through respectively in shell and tube condenser and the dry-type evaporator. The utility model discloses a combination of condenser, evaporimeter and compressor forms the cold medium matter compression cycle system of multiunit formula, and better completion cooling water process improves cooling efficiency.
Description
Technical Field
The invention relates to a refrigerating device, in particular to a refrigerant medium compression system.
Background
There are many refrigerant medium compression systems in the prior art, and patent No. 201710411367.6 proposes a refrigerant medium compression system. In a refrigerant medium compression system using a water-adding type compressor, the amount of water taken to the outside as the refrigerant medium is compressed is reduced, and the amount of make-up water from the outside is reduced. The refrigerant medium compression system comprises: a water-fed compressor; a pre-separator for gas-water separation of the discharge fluid from the compressor; an after cooler for cooling the compressed refrigerant medium after the gas-water separation by the pre-separator; a water cooler for cooling the water separated by the gas-water separation of the pre-separator; a separator tank for supplying the compressed refrigerant medium and the separated water after passing through the respective coolers. The separator is connected to a compressed refrigerant medium delivery line in the gas phase portion, and to a water addition return line to the compressor in the liquid phase portion.
This is a complete refrigerant compression system, but this kind of compression system does not consider the pipeline pressure control balance, easily causes the pipeline to appear the problem of bursting or leaking because of the pressure difference, so how to provide a refrigerant compression system that refrigeration effect is good, and pipeline state balance is stable, is the direction we need to study.
Disclosure of Invention
The invention provides a cold medium compression system, which solves the problems in the prior art.
The technical scheme of the invention is realized as follows:
the cooling medium compression system comprises a shell-and-tube condenser and a dry evaporator, wherein a plurality of cooling medium compression groups are connected between the shell-and-tube condenser and the dry evaporator, and a cooling water coil and a freezing water coil which flow through gas in the shell-and-tube condenser and the dry evaporator are respectively arranged in the shell-and-tube condenser and the dry evaporator.
As a preferable scheme of the invention, the shell-and-tube condenser is provided with an inlet and an outlet aiming at the cooling water coil; the dry evaporator is provided with an inlet and an outlet aiming at the side view of the chilled water.
As a preferable aspect of the present invention, the refrigerant medium compression group includes a double-screw compressor, and one end of the double-screw compressor is communicated with the shell-and-tube condenser through a first connection pipe.
As a preferable scheme of the invention, the other end of the double-screw compressor is communicated with the dry evaporator through a second connecting pipe.
As a preferred scheme of the invention, measurement and control points are arranged on the first connecting pipe and the second connecting pipe, the measurement and control point on the second connecting pipe is close to the double-screw compressor, a differential pressure control system is connected between the two measurement and control points, and the differential pressure control system comprises a pressure gauge and a differential pressure controller which are connected.
As a preferable aspect of the present invention, a dry filter is provided between the shell-and-tube condenser and the dry evaporator, and an angle valve is provided on a connection pipe between the dry filter and the shell-and-tube condenser.
As a preferable scheme of the present invention, the drying filter and the dry evaporator are communicated through a third connecting pipe, and an expansion valve bank is disposed on the third connecting pipe, and the expansion valve bank includes two expansion valves connected in parallel.
In a preferred embodiment of the present invention, the expansion valve is connected to a connection point of the second connection pipe at a position close to the dry evaporator through a fourth connection pipe.
Advantageous effects
The cooling medium compression system comprises a shell-and-tube condenser and a dry evaporator, wherein a plurality of cooling medium compression groups are connected between the shell-and-tube condenser and the dry evaporator, and a cooling water coil and a freezing water coil which flow through gas in the shell-and-tube condenser and the dry evaporator are respectively arranged in the shell-and-tube condenser and the dry evaporator. The invention forms a multi-group cold medium compression circulating system by the combination of the condenser, the evaporator and the compressor, better completes the cooling water process and improves the cooling efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the connection structure of the present invention.
The system comprises a double-screw compressor 1, a shell-and-tube condenser 2, a dry evaporator 3, a first connecting pipe 4, a second connecting pipe 5, a differential pressure control system 6, a drying filter 7, an angle valve 71, a third connecting pipe 72, an expansion valve group 8, an expansion valve 81 and a fourth connecting pipe 82.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The refrigerant medium compression system shown in fig. 1 includes a shell-and-tube condenser 2 and a dry evaporator 3, a plurality of refrigerant medium compression sets are connected between the shell-and-tube condenser 2 and the dry evaporator 3, and a cooling water coil and a freezing water coil are respectively arranged in the shell-and-tube condenser 2 and the dry evaporator 3 and flow through the air in the shell-and-tube condenser 2 and the dry evaporator 3.
An inlet and an outlet aiming at the cooling water coil pipe are arranged on the shell-and-tube condenser 2; the dry evaporator 3 is provided with an inlet and an outlet aiming at the side view of the chilled water.
The refrigerant medium compression group comprises a double-screw compressor 1, and one end of the double-screw compressor 1 is communicated with a shell-and-tube condenser 2 through a first connecting pipe 4.
The other end of the twin-screw compressor 1 communicates with the dry evaporator 3 through a second connecting pipe 5.
Be equipped with the measurement and control point on first connecting pipe 4 and the second connecting pipe 5, the measurement and control point position on the second connecting pipe is close to double screw compressor 1, is connected with differential pressure control system between two measurement and control points, differential pressure control system is including the manometer and the differential pressure controller that are connected.
A drying filter 7 is arranged between the shell-and-tube condenser 2 and the dry evaporator 3, and an angle valve 71 is arranged on a connecting pipeline between the drying filter and the shell-and-tube condenser 2.
The dry filter 7 is communicated with the dry evaporator 3 through a third connecting pipe 72, an expansion valve group 8 is arranged on the third connecting pipe 72, and the expansion valve group 8 comprises two expansion valves 81 connected in parallel.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The cooling medium compression system comprises a shell-and-tube condenser (2) and a dry evaporator (3), and is characterized in that a plurality of cooling medium compression groups are connected between the shell-and-tube condenser (2) and the dry evaporator (3), and a cooling water coil and a freezing water coil which flow through the air in the shell-and-tube condenser (2) and the air in the dry evaporator (3) are respectively arranged in the shell-and-tube condenser (2) and the dry evaporator (3).
2. Refrigerant mass compression system according to claim 1, characterized in that the shell and tube condenser (2) is provided with an inlet and an outlet for cooling water coils; the dry type evaporator (3) is provided with an inlet and an outlet aiming at the side view of the chilled water.
3. Refrigerant medium compression system according to claim 1, characterized in that it comprises a twin-screw compressor (1), one end of said twin-screw compressor (1) being in communication with a shell-and-tube condenser (2) through a first connection pipe (4).
4. A cold medium compression system according to claim 3, wherein the other end of the twin-screw compressor (1) communicates with the dry evaporator (3) through a second connecting pipe (5).
5. The refrigerant medium compression system as claimed in claim 3, wherein the first connecting pipe (4) and the second connecting pipe (5) are provided with measurement and control points, the measurement and control points on the second connecting pipe are close to the twin-screw compressor (1), a differential pressure control system is connected between the two measurement and control points, and the differential pressure control system comprises a pressure gauge and a differential pressure controller which are connected with each other.
6. Refrigerant mass compression system according to claim 1, characterized in that a dry filter (7) is provided between the shell-and-tube condenser (2) and the dry evaporator (3), and an angle valve (71) is provided on the connection line between the dry filter and the shell-and-tube condenser (2).
7. The refrigerant mass compression system as recited in claim 6, wherein the dry filter (7) is communicated with the dry evaporator (3) through a third connecting pipe (72), an expansion valve set (8) is disposed on the third connecting pipe (72), and the expansion valve set (8) comprises two parallel expansion valves (81).
8. Cold medium mass compression system according to claim 7, wherein said expansion valve (81) is connected to a connection point on the second connection pipe (5) close to the dry evaporator (3) by means of a fourth connection pipe (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920845170.8U CN210320741U (en) | 2019-06-04 | 2019-06-04 | Refrigerant medium compression system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920845170.8U CN210320741U (en) | 2019-06-04 | 2019-06-04 | Refrigerant medium compression system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210320741U true CN210320741U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920845170.8U Active CN210320741U (en) | 2019-06-04 | 2019-06-04 | Refrigerant medium compression system |
Country Status (1)
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| CN (1) | CN210320741U (en) |
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2019
- 2019-06-04 CN CN201920845170.8U patent/CN210320741U/en active Active
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