CN214222747U

CN214222747U - Protection device of pressure swing adsorption program control valve

Info

Publication number: CN214222747U
Application number: CN202022241962.XU
Authority: CN
Inventors: 代贯超; 高芸; 唐文杰; 张鹏
Original assignee: Shandong Hengxin Technology Development Co ltd
Current assignee: Shandong Hengxin Technology Development Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-09-17
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a protection device of pressure swing adsorption programmable valve includes: the first pipeline, the second pipeline, first stop valve, the second stop valve, the third stop valve, the filter, the relief pressure valve, lubricator and programmable valve, the one end of first pipeline links to each other with the air supply, install first stop valve on the first pipeline, the convenience is to the maintenance of pipeline, the second pipeline connects in parallel in the both sides of first stop valve, the second stop valve is equipped with in proper order on the second pipeline, the filter, the relief pressure valve, lubricator and third stop valve, the one end that the air supply was kept away from to the first pipeline links to each other with the programmable valve, the internal diameter of first pipeline is greater than the internal diameter of second pipeline, can get into the programmable valve through the filter with the gas in the air supply, relief pressure valve and lubricator, guarantee that every programmable valve actuating mechanism obtains sufficient lubrication, the life of wearing parts has been prolonged greatly.

Description

Protection device of pressure swing adsorption program control valve

Technical Field

The present disclosure relates to a protection device for pressure swing adsorption program control valve.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The pressure swing adsorption technology is to separate and remove N2, CO2, CO, CH4 and other impurity components from raw material gas to obtain purified hydrogen product, and the main processes include adsorption, pressure equalization, sequential release, reverse release, flushing and other steps.

At present, the height of an air supply line of the whole device from the ground to the north side of an adsorber is 7.5m, program control valves are uniformly distributed on 1 layer and 2 layers of the device, but as the air supply line is long, bends are more, and the position of the program control valve on the 1 layer is low, lubricating oil does not exist in half of program control valve execution mechanisms in the middle parts and south sides of the 1 layer and the 2 layers, so that the program control valves are stuck to influence the program operation of a DCS (distributed control system), an O-shaped ring in the execution mechanism is damaged after long-term operation, the execution mechanism cannot act due to air leakage, and the quality of product air is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the disclosure provides a protection device of a pressure swing adsorption program control valve.

The utility model aims at providing a protection device of pressure swing adsorption program control valve can improve the air feed reliability, improves the economic nature of air supply quality and air feed, ensures that program control valve actuating mechanism obtains fully lubricated, reduces the fault rate that program control valve takes place, guarantees program control valve long-term steady operation.

In order to achieve the purpose, the following technical scheme is adopted in the disclosure:

a pressure swing adsorption programmable valve protection device comprising: first pipeline, second pipeline, first stop valve, second stop valve, third stop valve, filter, relief pressure valve, lubricator and programmable valve, the one end of first pipeline links to each other with the air supply, install first stop valve on the first pipeline, the convenient maintenance to the pipeline, the second pipeline connects in parallel in the both sides of first stop valve, second stop valve, filter, relief pressure valve, lubricator and third stop valve are equipped with in proper order on the second pipeline, the one end that the air supply was kept away from to first pipeline links to each other with programmable valve.

Further, the inner diameter of the first pipeline is larger than that of the second pipeline.

Furthermore, the pipeline between the second stop valve and the third stop valve is movably connected.

Furthermore, the number of the protection devices is at least two, and the protection devices are respectively arranged at different air inlets of the air supply pipeline to form annular air supply for the whole air supply pipeline.

Compared with the prior art, the beneficial effect of this disclosure is:

1. the device can enable gas in a gas source to enter the program control valve through the filter, the pressure reducing valve and the lubricator, ensures that each program control valve actuating mechanism is fully lubricated, and greatly prolongs the service life of vulnerable parts.

2. According to the air supply system, the protection devices are arranged at different air inlets on the air supply line, so that annular air supply is formed, and no lubricating oil exists in the middle part and the south half of the program control valve actuating mechanism caused by the long one-way air supply line, more elbows and the like.

3. This is disclosed through categorised the pipeline, can dismantle between first pipeline and the second pipeline, when certain equipment appears damaging, through opening first stop valve, second stop valve, third stop valve are closed, just can overhaul or change protection device, ensure the normal work of programme-controlled valve and air supply line.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a schematic view of the present disclosure in connection with a programmable valve;

FIG. 2 is a schematic view of a connecting gas supply line according to the present disclosure;

wherein: 1. the device comprises a gas source, 2, a first pipeline, 3, a second pipeline, 4, a first stop valve, 5, a second stop valve, 6, a third stop valve, 7, a filter, 8, a pressure reducing valve, 9, a lubricator, 10, a program control valve, 11 and a gas supply line.

The specific implementation mode is as follows:

the present disclosure is further described with reference to the following drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.

In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.

Example 1

A protection device for a pressure swing adsorption programmable valve 10, as shown in fig. 1, comprising: the device comprises a first pipeline 2, a second pipeline 3, a first stop valve 4, a second stop valve 5, a third stop valve 6, a filter 7, a pressure reducing valve 8, a lubricator 9 and a program control valve 10, wherein one end of the first pipeline 2 is connected with an air source 1, the first stop valve 4 is installed on the first pipeline 2, the pipelines are convenient to overhaul, the second pipeline 3 is connected to two sides of the first stop valve 4 in parallel, the second stop valve 5, the filter 7, the pressure reducing valve 8, the lubricator 9 and the third stop valve 6 are sequentially installed on the second pipeline 3, one end, far away from the air source 1, of the first pipeline 2 is connected with the program control valve 10, the inner diameter of the first pipeline 2 is larger than that of the second pipeline 3, gas in the air source 1 can enter the program control valve 10 through the filter 7, the pressure reducing valve 8 and the lubricator 9, it is ensured that an execution mechanism of each program control valve 10 is fully lubricated, and the service life of a quick-wear part is greatly prolonged.

The pipeline between second stop valve 5 and third stop valve 6 is swing joint, can freely dismouting, conveniently overhauls and changes.

Through categorizing the pipeline, can dismantle between first pipeline 2 and the second pipeline 3, when certain equipment appears damaging, through opening first stop valve 4, second stop valve 5, third stop valve 6 close, just can overhaul or change protection device, ensure the normal work of programme-controlled valve 10 and air supply line 11.

Example 2

As a preferred scheme, a protection device of a pressure swing adsorption program control valve 10, as shown in fig. 2, has the same specific structure as that of embodiment 1, wherein at least two sets of protection devices are provided, and the protection devices are respectively installed at different air inlets of an air supply line 11 to form annular air supply for the whole air supply line 11, so that the sufficiency of an air source 1 is ensured, each program control valve 10 execution mechanism is sufficiently lubricated, the service life of a wearing part is greatly prolonged, and no lubricating oil exists in about half of the program control valve 10 execution mechanisms in the middle and south due to the long unidirectional air supply line 11, more elbows and the like.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.

Claims

1. A protection device of a pressure swing adsorption program control valve is characterized by comprising: the automatic control device comprises a first pipeline, a second pipeline, a first stop valve, a second stop valve, a third stop valve, a filter, a pressure reducing valve, a lubricator and a program control valve, wherein one end of the first pipeline is connected with an air source, the first stop valve is installed on the first pipeline, the second pipeline is connected in parallel on two sides of the first stop valve, the second stop valve, the filter, the pressure reducing valve, the lubricator and the third stop valve are sequentially installed on the second pipeline, and one end, far away from the air source, of the first pipeline is connected with the program control valve.

2. The pressure swing adsorption program control valve as defined in claim 1, wherein said first conduit has an inner diameter greater than an inner diameter of said second conduit.

3. The pressure swing adsorption program control valve as defined in claim 1, wherein the pipe between said second stop valve and said third stop valve is movably connected.

4. The pressure swing adsorption programmable valve as defined in claim 1, wherein there are at least two sets of said protection devices, and said protection devices are respectively installed at different gas inlets of the gas supply line to form annular gas supply for the whole gas supply line.