CN214577625U - Unloading system for suction valve of compressor - Google Patents
Unloading system for suction valve of compressor Download PDFInfo
- Publication number
- CN214577625U CN214577625U CN202120066982.XU CN202120066982U CN214577625U CN 214577625 U CN214577625 U CN 214577625U CN 202120066982 U CN202120066982 U CN 202120066982U CN 214577625 U CN214577625 U CN 214577625U
- Authority
- CN
- China
- Prior art keywords
- compressor
- suction valve
- communicated
- oil
- oil pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Compressor (AREA)
Abstract
The utility model provides a compressor suction valve off-load system, which comprises a compressor, the intercommunication has the main oil pump on the crankcase of compressor, the exit end intercommunication of main oil pump has cooling arrangement, the exit end intercommunication of the last oil body of cooling arrangement has the filtration equipment of the oil body, the exit end and the crankcase intercommunication of the last oil body of filtration equipment, and still the intercommunication has the control valve on the exit end of filtration equipment, the intercommunication has the suction valve device on the exit end of control valve, the intercommunication has the cylinder on the aspirator valve device. The top of the suction valve device is realized through the inside oil body of compressor in this scheme, with present realize through external air supplies such as increase explosion-proof air compressor machine that the suction valve device backs down and compare to continuous output's pressure cycle oil is more stable, reliable as the power supply, and just needs oil body to cool down in the compressor itself, lubricates etc. makes the compressor pipeline simpler, has reduced required cost simultaneously.
Description
Technical Field
The utility model belongs to reciprocating piston compressor field especially relates to a compressor suction valve off-load system.
Background
The compressor for oil and gas field and process usually uses a pressure-opening suction valve device to adjust the load of the compressor in stages so as to achieve the purpose of energy conservation and consumption reduction. The industry usually adopts instrument air or pure nitrogen as the power supply, and the power air supply can only be used after the pressure reduction in the factory under the general condition, and the suction valve device is designed for ventilation and unloading.
However, in the above conventional design, when the pressure of the air source is unstable after decompression, the reliability of the air suction valve becomes poor when the air suction valve is unloaded, and the phenomenon that the air suction valve is not opened frequently occurs, so that the compressor cannot be unloaded reliably. In addition, when the compressor is used in field environments such as oil and gas fields, the power source for jacking the suction valve device cannot be provided independently, and an independent explosion-proof air compressor is generally required to be equipped for air supply, so that the configuration can lead to complicated compressor pipelines, and in addition, the explosion-proof air compressor can become a fault point, so that the power source cannot be reliably and continuously provided, and meanwhile, the cost is increased.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a compressor suction valve unloading system to provide power for ejecting the suction valve device more reliably and continuously.
In order to achieve the above objects and other related objects, the present invention provides a compressor suction valve unloading system, which comprises a main oil pump communicated with a compressor upper crankcase and a control valve communicated with the main oil pump, wherein the control valve is connected with a suction valve device disposed on a cylinder.
Further, the cooling device is used for cooling the oil body output by the main oil pump and is arranged between the control valve and the main oil pump.
Further, the oil filter device is used for filtering oil bodies output by the main oil pump and arranged between the control valve and the main oil pump.
Further, the cooling device and the filtering device are arranged in series, and the outlet end of the oil body on the cooling device or the filtering device is communicated with the inlet end of the control valve.
Further, the inlet end of the oil body on the cooling device is communicated with the main oil pump, the outlet end of the oil body on the cooling device is communicated with the inlet end of the oil body on the filtering device, and the outlet end of the oil body on the filtering device is communicated with the inlet end of the control valve.
Further, the outlet end of the oil body on the filtering device is communicated with a crankcase of the compressor.
Furthermore, the control valve is a three-way electromagnetic valve, the inlet end of the three-way electromagnetic valve is communicated with the outlet end of the oil body on the filtering device, one outlet end of the three-way electromagnetic valve is communicated with the suction valve device, and the other outlet end of the three-way electromagnetic valve is communicated with the crankcase.
Further, an auxiliary oil pump is connected to the main oil pump in parallel.
Further, the outlet end of the oil body on the filtering equipment is directly communicated with the crankcase through a second communicating pipe, and a detection device for detecting the temperature and the pressure of the oil body is arranged on the second communicating pipe.
Further, a controller for controlling the opening and closing of the control valve is electrically connected to the control valve.
As the above, the utility model discloses a compressor suction valve off-load system has following beneficial effect:
the top of the suction valve device is realized through the inside oil body of compressor in this scheme, with present realize through external air supplies such as increase explosion-proof air compressor machine that the suction valve device backs down and compare to continuous output's pressure cycle oil is more stable, reliable as the power supply, and just needs oil body to cool down in the compressor itself, lubricates etc. makes the compressor pipeline simpler, has reduced required cost simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an unloading system of a suction valve of a compressor according to an embodiment of the present invention.
Detailed Description
Reference numerals in the drawings of the specification include: the air conditioner comprises a compressor 1, a main oil pump 2, an auxiliary oil pump 3, an air cooler 4, a duplex filter 5, a cylinder 6, an air suction valve device 7, a three-way electromagnetic valve 8, a first communicating pipe 9, a second communicating pipe 10, a third communicating pipe 11 and a fourth communicating pipe 12.
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Examples
As shown in fig. 1, the present embodiment provides a loading and unloading system for a suction valve of a compressor, which includes a first communicating pipe 9 communicated with a crankcase (serving as an oil tank) of the compressor 1, the first communicating pipe 9 is communicated with a main oil pump 2 and an auxiliary oil pump 3, the main oil pump 2 is connected in parallel with the auxiliary oil pump 3, the output ends of the main oil pump 2 and the auxiliary oil pump 3 are connected with a cooling device, in this embodiment, the cooling device is an air cooler 4, the output end of the air cooler 4 is connected with a filtering device, in the present embodiment, the filtering device is a duplex filter 5, the output end of the duplex filter 5 is communicated with a three-way electromagnetic valve 8, and the output end of the duplex filter 5 is communicated with the crankcase of the compressor 1 through a second communicating pipe 10, so that oil can return to the crankcase. The second communicating pipe 10 is provided with a detection device for detecting oil pressure, oil temperature, and the like, and the detection device includes a pressure transmitter, a temperature transmitter, and the like, as shown in fig. 1. In addition, a valve is also arranged on the first communicating pipe 9; the arrows in fig. 1 indicate the direction of oil flow.
The inlet end of the three-way electromagnetic valve 8 is communicated with the duplex filter 5, one outlet end of the three-way electromagnetic valve 8 is communicated with the crankcase of the compressor 1 through a third communicating pipe 11, the other outlet end of the three-way electromagnetic valve 8 is communicated with an air suction valve device 7 through a fourth communicating pipe 12, the air suction valve device 7 is communicated with the air cylinder 6, and a valve is arranged on the third communicating pipe 11.
The three-way electromagnetic valve 8 is connected with a controller, the controller in the embodiment adopts the existing PLC, and the controller controls the three-way electromagnetic valve 8 to act.
During specific implementation, when compressor 1 operates, stable pressure cycle oil of continuous output of main oil pump 2, main oil pump 2 makes the oil body in the crankcase come out as the power supply, and the oil body enters into air cooler 4 through main oil pump 2 and cools off, then just returns the crankcase after filtering through duplex filter 5, and duplex filter 5's effect is filtered the impurity in the oil body, avoids the pipeline to block up. When the compressor 1 needs unloading, the PLC controls the three-way electromagnetic valve 8 to be opened, so that the duplex filter 5 and the fourth communicating pipe 12 are communicated, the suction valve device 7 is jacked open by the pressure of oil bodies, and a valve on the third communicating pipe 11 can be opened, so that the oil bodies flow back into a crankcase from the third communicating pipe 11. When unloading is not needed, the PLC controls the three-way electromagnetic valve 8 to be closed, and the oil body flows back into the crankcase through the second communicating pipe 10.
Through the oil body in the compressor 1 as the power supply in this scheme, push up the suction valve device 7 through the pressure of the oil body, with present realize through external air supplies such as increase explosion-proof air compressor machine that suction valve device 7 pushes up open and compare to the pressure cycle oil that lasts the output is more stable, reliable as the power supply, and just itself needs the oil body to cool down in the compressor 1, lubricate etc. makes the compressor 1 pipeline simpler, has reduced required cost simultaneously.
In the present embodiment, the operation of the PLC-controlled three-way solenoid valve 8 is conventional, and will not be described in detail here.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The unloading system of the suction valve of the compressor is characterized by comprising a main oil pump communicated with a crankcase on the compressor and a control valve communicated with the main oil pump, wherein the control valve is connected with a suction valve device arranged on a cylinder.
2. A compressor suction valve unloading system according to claim 1, further comprising a cooling device for cooling the body of oil output by the main oil pump, said cooling device being disposed between the control valve and the main oil pump.
3. A compressor suction valve unloading system according to claim 2, further comprising a filter device for filtering the oil volume after the main oil pump output, said filter device being disposed between the control valve and the main oil pump.
4. A compressor suction valve unloading system according to claim 3, wherein said cooling means and filtering means are arranged in series, the outlet end of the oil body on the cooling means or filtering means being in communication with the inlet end of the control valve.
5. A compressor suction valve unloading system according to claim 4, wherein the inlet end of the cooling device oil feeding body is communicated with the main oil pump, the outlet end of the cooling device oil feeding body is communicated with the inlet end of the filtering device oil feeding body, and the outlet end of the filtering device oil feeding body is communicated with the inlet end of the control valve.
6. The compressor suction valve unloading system according to claim 5, wherein an outlet end of the oil body on said filter device is in communication with a crankcase of the compressor.
7. A compressor suction valve unloading system according to claim 6, wherein the control valve is a three-way solenoid valve, an inlet end of the three-way solenoid valve is communicated with an outlet end of an oil body on the filtering device, one outlet end of the three-way solenoid valve is communicated with the suction valve device, and the other outlet end of the three-way solenoid valve is communicated with the crankcase.
8. The compressor suction valve unloading system according to claim 1, wherein an auxiliary oil pump is connected in parallel to said main oil pump.
9. The unloading system for the suction valve of the compressor as claimed in claim 3, wherein the outlet end of the oil body on the filtering device is directly communicated with the crankcase through a second communicating pipe, and the second communicating pipe is provided with a detection device for detecting the temperature and the pressure of the oil body.
10. The compressor suction valve unloading system according to claim 1, wherein a controller for controlling the opening and closing of the control valve is electrically connected to said control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120066982.XU CN214577625U (en) | 2021-01-11 | 2021-01-11 | Unloading system for suction valve of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120066982.XU CN214577625U (en) | 2021-01-11 | 2021-01-11 | Unloading system for suction valve of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214577625U true CN214577625U (en) | 2021-11-02 |
Family
ID=78368235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120066982.XU Active CN214577625U (en) | 2021-01-11 | 2021-01-11 | Unloading system for suction valve of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214577625U (en) |
-
2021
- 2021-01-11 CN CN202120066982.XU patent/CN214577625U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214036124U (en) | Oil injection screw compressor control system | |
| CN112160907A (en) | Screw air compressor system of water lubrication bearing and control method thereof | |
| CN214577625U (en) | Unloading system for suction valve of compressor | |
| CN201265528Y (en) | Full-pneumatic pressure control and flow regulation system of helical-lobe compressor | |
| CN214731521U (en) | High-efficiency energy-saving vacuum control system | |
| CN203584757U (en) | Energy-regulating mechanism of compressor | |
| CN211040456U (en) | Simple hydrogenation device | |
| CN211422910U (en) | Oil injection medium-pressure gas circuit control system | |
| CN204493160U (en) | Air compressor intelligent frequency-conversion energy-saving control system | |
| CN210623025U (en) | One-key dual-machine compressor control system | |
| CN201762132U (en) | Constant-pressure water supplementing vacuum degassing unit | |
| CN204532781U (en) | A kind of membrane compressor automatic cycle start-stop control system | |
| CN211924433U (en) | Oilless middle-high pressure air compressor | |
| CN210599415U (en) | Compressor and air conditioning system | |
| CN212130793U (en) | System for accurately controlling automatic loading stability of screw compressor and air conditioner | |
| CN204300682U (en) | For the pipeline control system of hydraulic piston type compressor | |
| CN209763483U (en) | negative pressure oil temperature machine | |
| CN209308757U (en) | A kind of cooling device of steam turbine | |
| CN202532175U (en) | Bridging branch subarea compressed air supply pipeline | |
| CN206943061U (en) | The regulation and control system of compound compressor | |
| CN205445962U (en) | Compressor unloading valve | |
| CN111396292A (en) | Process air compressor intersegmental condensate recovery system | |
| CN110736025A (en) | simple hydrogenation device | |
| CN205841173U (en) | A kind of vehicle air compressor performance test stand | |
| CN218178598U (en) | Ethylene oxide system of unloading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |