CN220726592U - Cooling system of vinyl chloride screw compressor - Google Patents
Cooling system of vinyl chloride screw compressor Download PDFInfo
- Publication number
- CN220726592U CN220726592U CN202321928862.1U CN202321928862U CN220726592U CN 220726592 U CN220726592 U CN 220726592U CN 202321928862 U CN202321928862 U CN 202321928862U CN 220726592 U CN220726592 U CN 220726592U
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- assembly
- cooling
- screw compressor
- circulating water
- communicated
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- 238000001816 cooling Methods 0.000 title claims abstract description 61
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 129
- 239000000498 cooling water Substances 0.000 claims abstract description 77
- 238000012544 monitoring process Methods 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model relates to a cooling system of a vinyl chloride screw compressor, which comprises a circulating water tank, a circulating water pump assembly, a cooling assembly, a monitoring assembly and a screw compressor assembly; the inlet end of the circulating water pump assembly is communicated with the circulating water tank, the outlet end of the circulating water pump assembly is sequentially connected with the cooling assembly and the screw compressor assembly, and the cooling water outlet end of the screw compressor assembly is communicated with the circulating water tank to form a closed-loop cooling system; the monitoring assembly is arranged at the outlet end of the cooling assembly, and the monitoring assembly is electrically connected with the circulating water pump assembly to form pressure interlocking. The utility model not only ensures the quality of the cooling water of the screw compressor, but also avoids the parking risk caused by unstable water supply pressure of the external network.
Description
Technical Field
The utility model relates to a compressor cooling system, in particular to a cooling system of a vinyl chloride screw compressor.
Background
The screw compressor is one kind of positive displacement compressor, and its working principle is that a pair of meshed and parallel male and female rotors form closed volume, and the motor drives the rotors to reduce the closed volume continuously with the rotation of the rotors, so that the gas is raised from low temperature and low pressure to high temperature and high pressure and the process of compressing gas is realized. During this time, the screw compressor performs an energy conversion from electrical energy to mechanical energy to thermal energy.
The prior intermediate procedure vinyl chloride compression device for producing PVC by a calcium carbide method is provided with a screw compressor, the cooling water of the screw compressor is directly cooled by using circulating water of an external network public engineering station or 7 ℃ water, the condition that the water quality is poor and a compressor cooler is easy to be blocked exists, and if the external network pressure is insufficient or the cooling water is suddenly interrupted, the screw compressor can cause the compressor to jump and stop due to the interlocking of the screw compressor, so that the whole production line is stopped.
Therefore, the technical staff in the field are dedicated to develop a cooling system of a vinyl chloride screw compressor, which not only ensures the quality of cooling water of the screw compressor, but also avoids the risk of stopping caused by unstable water supply pressure of an external network.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a cooling system of a vinyl chloride screw compressor, which not only ensures the quality of cooling water of the screw compressor, but also avoids the parking risk caused by unstable water supply pressure of an external network.
The technical scheme for solving the technical problems is as follows: a cooling system of a chloroethylene screw compressor comprises a circulating water tank, a circulating water pump assembly, a cooling assembly, a monitoring assembly and a screw compressor assembly;
the inlet end of the circulating water pump assembly is communicated with the circulating water tank, the outlet end of the circulating water pump assembly is sequentially connected with the cooling assembly and the screw compressor assembly, and the cooling water outlet end of the screw compressor assembly is communicated with the circulating water tank to form a closed-loop cooling system;
the monitoring assembly is arranged at the outlet end of the cooling assembly, and the monitoring assembly is electrically connected with the circulating water pump assembly to form pressure interlocking.
The beneficial effects of the utility model are as follows: the circulating water tank, the circulating water pump assembly, the cooling assembly and the screw compressor assembly form a closed-loop cooling system, so that the quality of cooling water is guaranteed, and the cooling quality of the screw compressor is improved; the circulation water tank stores a proper amount of cooling pure water, ensures the stability of the cooling pure water, avoids the parking risk caused by unstable water supply pressure of an external network, and is also used for throwing antirust and deoxidized medicines, thereby reducing the corrosion of a cooling system.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the circulating water pump assembly comprises two circulating water pumps which are arranged in parallel, the circulating water pumps are communicated with the circulating water tank through a water inlet pipe, and the circulating water pumps are communicated with the cooling assembly through a water outlet pipe.
The beneficial effect of adopting above-mentioned further scheme is that adopts two circulating water pumps, and one is used one reserve in the cooling process, and the maintenance of being convenient for or avoiding equipment to park.
Further, the water outlet pipe is also communicated with a bypass pipe, and the bypass pipe is communicated with the circulating water tank.
The adoption of the further scheme has the beneficial effects that the bypass pipe conveys redundant cooling water at the outlet end of the circulating water pump to the circulating water tank, so that the working efficiency of the circulating water pump is improved.
Further, the cooling assembly comprises two cooling water coolers which are arranged in parallel, the inlet end of each cooling water cooler is communicated with the water outlet pipe, and the outlet end of each cooling water cooler is communicated with the screw compressor assembly.
The beneficial effect of adopting above-mentioned further scheme is that the cooling water cooler is used for cooling the cooling water of screw compressor subassembly, improves the cooling efficiency of screw compressor subassembly.
Further, the cooling water cooler is also connected with a cooler cooling water pipe and a cooler cooling water return pipe.
The beneficial effect of adopting the further scheme is that the cooler cooling water pipe is used for providing cooling water for the cooling water cooler.
Further, the monitoring assembly comprises a temperature monitoring assembly and a pressure monitoring assembly, and the pressure monitoring assembly is electrically connected with the circulating water pump controller through a connecting wire.
The beneficial effect of adopting above-mentioned further scheme is that temperature monitoring subassembly and pressure monitoring subassembly are used for monitoring the temperature and the pressure of cooling water cooler exit end cooling water respectively to do benefit to remote control cooling water cooler, and pressure monitoring subassembly and circulating water pump controller electric connection form the pressure interlocking.
Further, an on-line liquid level monitoring assembly and an on-site liquid level meter are also installed on the circulating water tank.
The beneficial effect of adopting above-mentioned further scheme is that online liquid level monitoring module and local level gauge do benefit to the liquid level change in the long-range and near-field inspection circulating water tank.
Further, the cooling water cooler is communicated with the screw compressor assembly through a cooling water cooler water outlet pipe and a cooling water inlet pipe, and the screw compressor assembly is communicated with the circulating water tank through a cooling water outlet pipe.
Further, a check valve is also arranged at the outlet end of the circulating water pump.
The beneficial effect of adopting above-mentioned further scheme is that the check valve prevents the cooling water refluence.
Further, a water inlet main pipe is arranged between the water outlet pipe and the cooling water cooler.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a circulating water tank; 2. a circulating water pump; 3. a cooling water cooler; 4. a screw compressor assembly; 5. a check valve; 6. a water inlet pipe; 7. a bypass pipe; 8. a water outlet pipe; 9. a water inlet main pipe; 10. a water outlet pipe of the cooling water cooler; 11. a cooling water inlet pipe; 12. a cooling water outlet pipe; 13. a cooler cooling water pipe; 14. a cooler cooling water return pipe; 15. a temperature monitoring assembly; 16. a pressure monitoring assembly; 17. a connecting wire; 18. an online liquid level monitoring assembly; 19. an in situ level gauge.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the system or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1, a cooling system of a vinyl chloride screw compressor comprises a circulating water tank 1, a circulating water pump assembly, a cooling assembly, a monitoring assembly and a screw compressor assembly 4; the inlet end of the circulating water pump assembly is communicated with the circulating water tank 1, the outlet end of the circulating water pump assembly is sequentially connected with the cooling assembly and the screw compressor assembly 4, and the cooling water outlet end of the screw compressor assembly 4 is communicated with the circulating water tank 1 to form a closed-loop cooling system; the monitoring assembly is arranged at the outlet end of the cooling assembly and is electrically connected with the circulating water pump assembly to form pressure interlocking.
In the utility model, the circulating water tank 1, the circulating water pump assembly, the cooling assembly and the screw compressor assembly 4 form a closed-loop cooling system, thereby ensuring the quality of cooling water and further improving the cooling quality of the screw compressor; the circulation water tank 1 stores a proper amount of cooling pure water, ensures the stability of the cooling pure water, avoids the stop risk caused by unstable external network water supply pressure, and simultaneously the circulation water tank 1 is also used for putting antirust and deoxidized medicines, thereby reducing the corrosion of a cooling system.
In some embodiments, the circulating water pump assembly includes two circulating water pumps 2 arranged in parallel, and the two circulating water pumps 2 are mostly in the same structure, such as centrifugal pumps. In order to avoid the backflow of the circulated cooling pure water, the outlet end of the circulating water pump 2 is also provided with a check valve 5, and the check valve 5 can adopt a one-way valve or a stop check valve. The circulating water pump 2 is communicated with the circulating water tank 1 through a water inlet pipe 6, and two ends of the two water inlet pipes 6 are respectively communicated with the bottom of the circulating water tank 1 and the inlet end of the circulating water pump 2.
In order to facilitate remote and on-site monitoring of the liquid level of the circulating water tank 1, the circulating water tank 1 is also provided with an on-line liquid level monitoring assembly 18 and an on-site liquid level meter 19, which is beneficial to timely replenishing pure water into the circulating water tank 1. The circulating water pump 2 is communicated with the cooling assembly through a water outlet pipe 8. The water outlet pipe 8 is also communicated with a bypass pipe 7, the bypass pipe 7 is communicated with the circulating water tank 1, the bypass pipe 7 conveys redundant cooling water at the outlet end of the circulating water pump 2 to the circulating water tank 1, the internal pressure of the circulating water pump 2 is prevented from being overlarge, and the working efficiency of the circulating water pump 2 is further improved
In some embodiments, the cooling assembly comprises two cooling water coolers 3 arranged in parallel, the two cooling water coolers 3 adopt the same structure, and one cooling water cooler works and the other cooling water cooler is standby. The cooling water cooler 3 may be a plate cooler or a shell-and-tube cooler. The inlet end of the cooling water cooler 3 is communicated with a water outlet pipe 8. Specifically, a water inlet header pipe 9 is further arranged between the water outlet pipe 8 and the cooling water coolers 3, and both the cooling water coolers 3 are provided with the water inlet header pipe 9 for conveying the cooling pure water in the water outlet pipe 8 to the cooling water coolers 3 for cooling.
In another embodiment, the outlet end of the cooling water cooler 3 communicates with the screw compressor assembly 4. Specifically, the cooling water cooler 3 is communicated with the screw compressor assembly 4 through a cooling water cooler water outlet pipe 10 and a cooling water inlet pipe 11, and the screw compressor assembly 4 is communicated with the circulating water tank 1 through a cooling water outlet pipe 12.
The cooling water cooler 3 is also connected with a cooler cooling water pipe 13 and a cooler cooling water return pipe 14, and the cooler cooling water pipe 13 is used for providing cooling water in the cooling water cooler 3 and performing heat exchange with cooling pure water in the cooling water cooler 3, so that the temperature of the cooling pure water is reduced, and the cooling efficiency of the screw compressor assembly 4 is improved.
In this embodiment, the monitoring assembly includes a temperature monitoring assembly 15 and a pressure monitoring assembly 16, where the temperature monitoring assembly 15 and the pressure monitoring assembly 16 are both installed on the cooling water inlet pipe 11, and the temperature monitoring assembly 15 and the pressure monitoring assembly 16 are respectively used to monitor the temperature and the pressure of the cooling water at the outlet end of the cooling water cooler 3, so as to facilitate remote control of the cooling water cooler 3. The pressure monitoring assembly 16 is electrically connected with the controller of the circulating water pump 2 through the connecting wire 17, so that the pressure monitoring assembly 16 and the controller of the circulating water pump 2 are electrically connected to form pressure interlocking, and the standby cooling water circulating water pump 2 is started when the pressure is lower than a certain value, thereby avoiding automatic stopping of the equipment due to the fact that the cooling water pressure is too low in operation.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (9)
1. A cooling system for a vinyl chloride screw compressor, characterized by: the device comprises a circulating water tank (1), a circulating water pump assembly, a cooling assembly, a monitoring assembly and a screw compressor assembly (4);
the inlet end of the circulating water pump assembly is communicated with the circulating water tank (1), the outlet end of the circulating water pump assembly is sequentially connected with the cooling assembly and the screw compressor assembly (4), and the cooling water outlet end of the screw compressor assembly (4) is communicated with the circulating water tank (1) to form a closed-loop cooling system;
the monitoring assembly is arranged at the outlet end of the cooling assembly and is electrically connected with the circulating water pump assembly to form pressure interlocking;
the circulating water pump assembly comprises two circulating water pumps (2) which are arranged in parallel, the circulating water pumps (2) are communicated with the circulating water tank (1) through a water inlet pipe (6), and the circulating water pumps (2) are communicated with the cooling assembly through a water outlet pipe (8).
2. The vinyl chloride screw compressor cooling system of claim 1, wherein: the water outlet pipe (8) is also communicated with a bypass pipe (7), and the bypass pipe (7) is communicated with the circulating water tank (1).
3. The vinyl chloride screw compressor cooling system of claim 1, wherein: the cooling assembly comprises two cooling water coolers (3) which are arranged in parallel, the inlet end of each cooling water cooler (3) is communicated with the water outlet pipe (8), and the outlet end of each cooling water cooler (3) is communicated with the screw compressor assembly (4).
4. A vinyl chloride screw compressor cooling system according to claim 3, wherein: the cooling water cooler (3) is also connected with a cooler cooling water pipe (13) and a cooler cooling water return pipe (14).
5. The vinyl chloride screw compressor cooling system of claim 1, wherein: the monitoring assembly comprises a temperature monitoring assembly (15) and a pressure monitoring assembly (16), and the pressure monitoring assembly is electrically connected with the circulating water pump (2) controller through a connecting wire (17).
6. The vinyl chloride screw compressor cooling system of claim 1, wherein: the circulating water tank (1) is also provided with an on-line liquid level monitoring assembly (18) and an on-site liquid level meter (19).
7. A vinyl chloride screw compressor cooling system according to claim 3, wherein: the cooling water cooler (3) is communicated with the screw compressor assembly (4) through a cooling water cooler water outlet pipe (10) and a cooling water inlet pipe (11), and the screw compressor assembly (4) is communicated with the circulating water tank (1) through a cooling water outlet pipe (12).
8. The vinyl chloride screw compressor cooling system of claim 1, wherein: and the outlet end of the circulating water pump (2) is also provided with a check valve (5).
9. A vinyl chloride screw compressor cooling system according to claim 3, wherein: a water inlet main pipe (9) is arranged between the water outlet pipe (8) and the cooling water cooler (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321928862.1U CN220726592U (en) | 2023-07-21 | 2023-07-21 | Cooling system of vinyl chloride screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321928862.1U CN220726592U (en) | 2023-07-21 | 2023-07-21 | Cooling system of vinyl chloride screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220726592U true CN220726592U (en) | 2024-04-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321928862.1U Active CN220726592U (en) | 2023-07-21 | 2023-07-21 | Cooling system of vinyl chloride screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220726592U (en) |
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2023
- 2023-07-21 CN CN202321928862.1U patent/CN220726592U/en active Active
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