CN215334678U - Filter explosion-proof device - Google Patents

Abstract

The utility model relates to the technical field of filter equipment, and provides a filter explosion-proof device which comprises a pipeline and a pressure relief pipe communicated with the outer side wall of the pipeline, wherein the pressure relief pipe is sleeved with a sealing cover through threads, the top of the sealing cover is penetrated with an air inlet pipe, the air inlet pipe is provided with a plurality of holes, the sealing cover is sleeved with a shell, a filter element is arranged in the shell, a convex block of the filter element is abutted against the air inlet pipe, a movable column is arranged in the pressure relief pipe, one end of the movable column extends into the pipeline and is connected with a plug sheet, the other end of the movable column extends into the pipeline and is connected with a contraction spring, the other end of the contraction spring is connected to the inner wall of the air inlet pipe, the plug sheet is matched with the movable column through the arranged movable column and the plug sheet to open the closed pressure relief pipe, so that the pressure difference between the inside and the outside of the pipeline is reduced, thereby avoiding the damage of the filter and the pipeline, the escaped gas can be gathered in the sealing cover and the shell, and the waste of resources is avoided.

Description

Filter explosion-proof device

Technical Field

The utility model relates to the technical field of filter equipment, in particular to an anti-explosion device of a filter.

Background

The filter is an indispensable device on a medium conveying pipeline, is usually arranged at the inlet end equipment of a pressure reducing valve, a pressure relief valve, a constant water level valve and other equipment of a squaring filter, and consists of a cylinder body, a stainless steel filter screen, a pollution discharge part, a transmission device and an electric control part;

the traditional filter can generate a blasting phenomenon when the pressure is overloaded, so that the filter and a pipeline are damaged, and even people are injured;

when the pressure is not released, the filtered gas in the pipeline can seep out, so that the filtered gas in the pipeline escapes, and resources are wasted. To this end, we propose a filter bursting prevention device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the filter explosion-proof device which overcomes the defects of the prior art, is reasonable in design and compact in structure, the plug piece is matched with the movable column to open the closed pressure relief pipe through the arranged movable column and the plug piece, so that the pressure difference between the inside and the outside of the pipeline is reduced, the damage of the filter and the pipeline is avoided, the escaped gas can be gathered in the sealing cover and the shell through the arranged shell and the sealing cover, and the waste of resources is avoided.

(II) technical scheme

The utility model provides a filter explosion-proof device, includes pipeline and the pressure release pipe of intercommunication at the pipeline lateral wall, the pressure release pipe is equipped with sealed lid through the thread bush, the intake pipe is worn to be equipped with at the top of sealed lid, and seted up a plurality of holes in the intake pipe, the cover is equipped with the shell in the sealed lid, and be provided with the filter core in the shell, the lug of filter core is contradicted in the intake pipe, be provided with movable post in the pressure release pipe, the one end of activity post extends to in the pipeline and is connected with the plug piece, the other end of activity post extends to in and is connected with the shrink spring, the other end of shrink spring is connected on the inner wall of intake pipe.

Preferably, be provided with many gag levers on the inner wall of pipeline, the other end of many gag levers is connected with same stopper that is used for spacingly, and the stopper is corresponding with the plug sheet.

Preferably, a rubber pad is arranged between the plug piece and the limiting block.

Preferably, the top edge position of the plug sheet is additionally provided with a trapezoidal plug sheet.

(III) advantageous effects

The embodiment of the utility model provides an anti-explosion device for a filter. The method has the following beneficial effects:

1. through the movable column and the plug piece that set up, the plug piece cooperation movable column can open inclosed pressure release pipe for the inside and outside pressure differential of pipeline reduces, thereby avoids taking place the damage of filter and pipeline.

2. Through the shell and the sealing cover, the escaped gas can be gathered in the sealing cover and the shell, and the waste of resources is avoided.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is a partial cross-sectional view of the structure of the present invention.

In the figure: 1. a pipeline; 11. a pressure relief pipe; 12. a limiting rod; 13. a limiting block; 14. a plug sheet; 15. a movable post; 2. a sealing cover; 21. an air inlet pipe; 22. a retraction spring; 3. a housing; 31. And (3) a filter element.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

Referring to the attached drawings 1-2, a filter explosion-proof device comprises a pipeline 1 and a pressure relief pipe 11 communicated with the outer side wall of the pipeline 1, wherein the pressure relief pipe 11 is sleeved with a sealing cover 2 through threads, a certain gap is formed between the sealing cover 2 and the pressure relief pipe 11 and can store gas escaped from the pipeline 1, a gas inlet pipe 21 is arranged at the top of the sealing cover 2 in a penetrating manner, a plurality of holes are formed in the gas inlet pipe 21, the gas inlet pipe 21 can enable redundant gas to flow into the gap between the sealing cover 2 and the pressure relief pipe 11 through the holes and be stored, a shell 3 is sleeved on the sealing cover 2, a filter element 31 is arranged in the shell 3, a convex block of the filter element 31 is abutted against the gas inlet pipe 21, the arranged filter element 31 can filter gas outside the shell 3, the filtered gas is fused with the gas filtered in the pipeline and cannot pollute the gas in the pipeline, and a gap is formed between the shell 3 and the sealing cover 2, also flow in through the hole of intake pipe 21 in the gap, and then save, when the gas in the pipeline 1 when the loss from the pressure release pipe 11, preferentially save to two gaps, thereby avoid the gaseous loss after the filtration, be provided with movable post 15 in the pressure release pipe 11, the one end of movable post 15 extends to in the pipeline 1 and is connected with the chock plug 14, the other end of movable post 15 extends to in the intake pipe 21 and is connected with shrink spring 22, movable post 15 can drive chock plug 14 and displace in pressure release pipe 11, and shrink spring 22 can restrict movable post 15's position, shrink spring 22's the other end is connected on the inner wall of intake pipe 21.

In this embodiment, be provided with many gag lever posts 12 on pipeline 1's the inner wall, many gag lever posts 12's the other end is connected with same stopper 13, stopper 13 can be fixed to the gag lever post, and stopper 13 that sets up can carry on spacingly stopper piece 14, can be with in external gas flows into pipeline 1 through the edge of activity post 15, gag lever post 12 is corresponding with pressure release pipe 11, stopper piece 14 is corresponding with stopper 13.

In this embodiment, be provided with the rubber pad between cock stem 14 and the stopper 13, when the pressure release can be alleviated to the rubber pad of setting, cock stem 14 can be protected not to take place deformation to stopper 13's striking, and the life-span is longer.

In this embodiment, add on the top edge position of cock piece 14 and be equipped with trapezoidal cock piece, the leakproofness at cock piece 14 edge can be strengthened to the trapezoidal cock piece of edge setting to reduce the gas in the pipeline and leak.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (4)

1. An explosion-proof device of a filter comprises a pipeline (1) and a pressure relief pipe (11) communicated with the outer side wall of the pipeline (1);

the method is characterized in that: the pressure relief pipe (11) is sleeved with a sealing cover (2) through threads, an air inlet pipe (21) penetrates through the top of the sealing cover (2), and a plurality of holes for air outlet are formed in the air inlet pipe (21);

the sealing cover (2) is sleeved with the shell (3), the shell (3) is internally provided with the filter element (31), and a convex block of the filter element (31) is abutted against the air inlet pipe (21);

be provided with movable post (15) in pressure release pipe (11), the one end of movable post (15) extends to in pipeline (1) and is connected with cock piece (14), and the other end of movable post (15) extends to in intake pipe (21) and is connected with shrink spring (22), and the other end of shrink spring (22) is connected on the inner wall of intake pipe (21).

2. A filter bursting device as claimed in claim 1 in which: the inner wall of the pipeline (1) is provided with a plurality of limiting rods (12), the other ends of the limiting rods (12) are connected with a same limiting block (13) for limiting, and the limiting block (13) corresponds to the plug piece (14).

3. A filter bursting device as claimed in claim 1 in which: a rubber pad is arranged between the plug sheet (14) and the limiting block (13).

4. A filter bursting device as claimed in claim 1 in which: the top edge of the plug sheet (14) is additionally provided with a trapezoidal plug sheet.

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