CN210546758U

CN210546758U - Double-acting pneumatic valve self-purging system

Info

Publication number: CN210546758U
Application number: CN201921045528.5U
Authority: CN
Inventors: 宋良锰; 于进江
Original assignee: KAITAI VALVE GROUP
Current assignee: KAITAI VALVE GROUP
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-05-19
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a two effect pneumatic valve are from blowing system of sweeping relates to valve technical field, including the sweep air supply, air supply trigeminy piece, five-way solenoid valve, the cylinder, the damping valve, sweep a mouthful device and first pipeline, the sweep air supply is connected with air supply trigeminy piece, air supply trigeminy piece is connected with five-way solenoid valve, five-way solenoid valve is connected with the both ends of cylinder, the lower extreme of five-way solenoid valve is equipped with the gas vent, the one end and the gas vent of first pipeline are connected, first pipeline of formation and second pipeline are separated to the other end of first pipeline, be equipped with the damping valve on the first pipeline, second pipeline connection sweeps a mouthful device, can improve the life of valve product and system effectively.

Description

Double-acting pneumatic valve self-purging system

Technical Field

The utility model relates to valve technical field especially involves a two effect pneumatic valve is from blowing system of sweeping.

Background

In the existing industrial system, part of pipeline media are gas-solid, gas-liquid two-phase or gas-liquid-solid three-phase systems. Under some working conditions with complex working conditions, the relative concentration of the medium is high, and the dust and coking are easy to accumulate on the pipeline. The common valve is easy to cause the phenomena of valve blocking, unstable medium flow or blockage, and unnecessary loss is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two effect pneumatic valve are from purge system for solve above-mentioned technical problem.

The utility model adopts the technical scheme as follows:

the utility model provides a system is swept from blowing of two effect pneumatic valve, includes sweep air supply, air supply trigeminy piece, five solenoid valve, cylinder, damping valve, sweeps a mouthful device and first pipeline, sweep the air supply with air supply trigeminy piece is connected, air supply trigeminy piece with five solenoid valve is connected, five solenoid valve with the both ends of cylinder are connected, the lower extreme of five solenoid valve is equipped with the gas vent, the one end of first pipeline with the gas vent is connected, the other end of first pipeline separates to form first branch pipeline and second branch pipeline, be equipped with on the first branch pipeline the damping valve, second branch pipeline is connected sweep a mouthful device.

Preferably, the device further comprises a second pipeline, and the purging gas source is connected with the gas source triplet through the second pipeline.

Preferably, the air source triple piece is connected with the five-way electromagnetic valve through the third pipeline.

Preferably, the five-way electromagnetic valve further comprises fourth pipelines, and the five-way electromagnetic valve is connected with two ends of the cylinder through the two fourth pipelines.

Preferably, the air source triple piece is a filter, a pressure reducing valve and an oil atomizer, the purging air source is connected with the filter, the filter is connected with the pressure reducing valve, the pressure reducing valve is connected with the oil atomizer, and the oil atomizer is connected with the five-way solenoid valve.

Preferably, the device further comprises a check valve, and the check valve is arranged on the second branch pipeline.

Preferably, the five-way electromagnetic valve is a two-position five-way electromagnetic valve.

Preferably, the cylinder is a double acting cylinder.

The technical scheme has the following advantages or beneficial effects:

the utility model provides a double action pneumatic valve is from blowing system of sweeping is applicable to double action pneumatic valve, and the waste gas that produces when utilizing double action cylinder to open and close the valve sweeps the valve, can improve the life of valve product and system effectively.

Drawings

Fig. 1 is a schematic structural view of the double-acting pneumatic valve self-purging system of the present invention.

In the figure: 1. a source of purge gas; 2. a five-way solenoid valve; 3. a cylinder; 4. a damping valve; 5. a purge port arrangement; 6. a first pipeline; 7. a first branch line; 8. a second branch pipe; 9. a second pipeline; 10. a third pipeline; 11. a fourth pipeline; 12. a filter; 13. a pressure reducing valve; 14. an oil atomizer; 15. a check valve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

FIG. 1 is a schematic structural view of a double acting pneumatic valve self-purging system of the present invention, and referring to FIG. 1, a preferred embodiment is shown illustrating a double acting pneumatic valve self-purging system, comprising: the device comprises a purging air source 1, an air source triple piece, a five-way electromagnetic valve 2, a cylinder 3, a damping valve 4, a purging port device 5 and a first pipeline 6. The purging air source 1 is connected with the air source triple piece, the air source triple piece is connected with the five-way electromagnetic valve 2, the five-way electromagnetic valve 2 is connected with two ends of the cylinder 3, an air outlet is formed in the lower end of the five-way electromagnetic valve 2, one end of the first pipeline 6 is connected with the air outlet, and the other end of the first pipeline 6 is separated to form a first branch pipeline 7 and a second branch pipeline 8. The first branch pipeline 7 is provided with a damping valve 4, and the second branch pipeline 8 is connected with a purging port device 5. In the embodiment, the double-acting pneumatic valve self-purging system is suitable for double-acting pneumatic valves, and can also be used for cleaning and purging pipelines and the like which are easy to coke and granular media. The purge gas source 1 is a fan or an air compressor. When the five-way electromagnetic valve is used, a rated working air source is obtained by the air source triple piece through the air source triple piece and enters the five-way electromagnetic valve 2, then the air source is used at two ends of the cylinder 3, the five-way electromagnetic valve 2 is electrified to control the opening of an action valve of the cylinder 3, meanwhile, an air outlet below the five-way electromagnetic valve 2 exhausts air, one part of exhausted air enters the damping valve 4 through the first branch pipeline 7, the other part of air enters the purging port device 5 through the second branch pipeline 8, and the force for purging the purging port device 5 can be adjusted by adjusting the damping valve 4. In a similar way, after the five-way electromagnetic valve 2 is powered off, the cylinder 3 acts on closing of the valve, meanwhile, the exhaust port below the five-way electromagnetic valve 2 exhausts, one part of exhausted gas enters the damping valve 4 through the first branch pipe 7, the other part of gas enters the purging port device 5 through the second branch pipe 8, and the force for purging the purging port device 5 can be adjusted by adjusting the damping valve 4.

Further, as a preferred embodiment, the double-acting pneumatic valve self-purging system further includes a second pipeline 9, and the purging gas source 1 is connected to the gas source triplet through the second pipeline 9.

Further, as a preferred embodiment, the double-acting pneumatic valve self-purging system further includes a third pipeline 10, and the air source triplet is connected to the five-way solenoid valve 2 through the third pipeline 10.

Further, as a preferred embodiment, the double-acting pneumatic valve self-purging system further includes a fourth pipeline 11, and the five-way solenoid valve 2 is connected with two ends of the cylinder 3 through two fourth pipelines 11.

Further, as a preferred embodiment, the gas source triplet is a filter 12, a pressure reducing valve 13 and an oil atomizer 14, the purge gas source 1 is connected with the filter 12, the filter 12 is connected with the pressure reducing valve 13, the pressure reducing valve 13 is connected with the oil atomizer 14, and the oil atomizer 14 is connected with the five-way solenoid valve 2.

Further, as a preferred embodiment, the double-acting pneumatic valve self-purging system further comprises a check valve 15, and the second branch pipeline 8 is provided with the check valve 15 for preventing media such as purged dust from flowing back into the five-way solenoid valve 2 to damage the system.

Further, as a preferred embodiment, the five-way solenoid valve 2 is a two-position five-way solenoid valve.

Further, as a preferred embodiment, the cylinder 3 is a double-acting cylinder.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. The utility model provides a two effect pneumatic valve is from purge system, its characterized in that, includes purge gas source, air supply trigeminy piece, five solenoid valve, cylinder, damping valve, purge mouthful device and first pipeline, purge gas source with air supply trigeminy piece is connected, air supply trigeminy piece with five solenoid valve is connected, five solenoid valve with the both ends of cylinder are connected, the lower extreme of five solenoid valve is equipped with the gas vent, the one end of first pipeline with the gas vent is connected, the other end of first pipeline separates and forms first branch pipeline and second branch pipeline, be equipped with on the first branch pipeline the damping valve, second branch pipeline is connected purge mouthful device.

2. A double acting pneumatic valve self purging system as set forth in claim 1, further including a second line through which said purge gas source is connected to said gas source triplet.

3. A double acting pneumatic valve self purging system as set forth in claim 1, further including a third line through which said air supply triplet is connected to said five-way solenoid valve.

4. A double acting pneumatic valve self purging system as set forth in claim 1, further including a fourth line, said five way solenoid valve being connected to both ends of said cylinder by two of said fourth lines.

5. A double acting pneumatic valve self purging system as claimed in claim 1, wherein said source of gas triplet is a filter, a pressure reducing valve, a mister, said source of purge gas is connected to said filter, said filter is connected to said pressure reducing valve, said pressure reducing valve is connected to said mister, and said mister is connected to said five way solenoid valve.

6. A double acting pneumatic valve self purging system as set forth in claim 1, further including a check valve disposed on said second branch conduit.

7. A double acting pneumatic valve self purging system as set forth in claim 1, wherein said five-way solenoid valve is a two-position five-way solenoid valve.

8. A double acting pneumatic valve self purging system as set forth in claim 1, wherein said cylinder is a double acting cylinder.