CN217733018U

CN217733018U - Air entrainment post filter equipment

Info

Publication number: CN217733018U
Application number: CN202221983783.6U
Authority: CN
Inventors: 范双涛; 时准
Original assignee: Shandong Multi Energy Complementary Industrial Technology Research Institute Co ltd; Lufeng Shenzhou Gas Co ltd; Shuifa Energy Group Co Ltd
Current assignee: Shandong Multi Energy Complementary Industrial Technology Research Institute Co ltd; Lufeng Shenzhou Gas Co ltd; Shuifa Energy Group Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-04
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a gas column filter equipment relates to natural gas filtration technical field. The filtering device comprises a housing, wherein two isolated filtering cavities are arranged in the housing, an air outlet cavity communicated with the filtering cavities is arranged on the housing, a filter element is arranged between the filtering cavities and the air outlet cavity, and a sealing cover for sealing the air outlet cavity is arranged on the housing; the two filter chambers are respectively communicated with the air inlet main pipe through a first air inlet branch pipe and a second air inlet branch pipe; the two air outlet cavities are respectively communicated with the air outlet main pipe through a first air outlet branch pipe and a second air outlet branch pipe, and valves are arranged on the first air inlet branch pipe, the second air inlet branch pipe, the first air outlet branch pipe and the second air outlet branch pipe; and the housing is provided with an air pressure detection meter for detecting the internal pressure of the two air outlet cavities respectively. The filtering device is provided with two independent gas filtering channels, and when the blocked filter element needs to be replaced, the filtering device can still perform filtering operation, so that the normal use of the air-entraining column can be ensured when the filter element is replaced.

Description

Gas column filter equipment adds

Technical Field

The utility model relates to a natural gas filtration technology field specifically is a gas column filter equipment.

Background

The gas column filtering device can prevent fine foreign particles in the pipeline from being brought into the natural gas cylinder, and can also play a role in protecting the flowmeter and ensuring the metering accuracy.

When current gas column filter equipment that adds carries out gas filtration, gaseous only has a filtration route, when needs are changed the inside filter core of filter equipment, need stop the gas filtration operation, dismantles the inside filter core of filter equipment and gets off to change, just can continue to filter the operation. When the filter element is replaced or cleaned, the filter device can not filter gas, so that the gas filling column can not be normally used when the filter element is replaced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas column filter equipment adds, filter equipment is provided with two independent gas filtration passageways, and when the filter core that blocks up needs to be changed, filter equipment still can carry out the filtration operation, guarantees to add the gas column can normal use when carrying out the filter core change.

In order to achieve the above purpose, the utility model provides a following technical scheme: the gas column filtering device comprises a housing, wherein two mutually isolated filtering cavities are arranged in the housing, a gas outlet cavity communicated with the filtering cavities is also arranged on the housing, a filter element is arranged between the filtering cavity and the gas outlet cavity, and a sealing cover for sealing the gas outlet cavity is also arranged on the housing; the two filter cavities are respectively communicated with the air inlet main pipe through a first air inlet branch pipe and a second air inlet branch pipe; the two air outlet cavities are respectively communicated with the air outlet main pipe through a first air outlet branch pipe and a second air outlet branch pipe, and valves are arranged on the first air inlet branch pipe, the second air inlet branch pipe, the first air outlet branch pipe and the second air outlet branch pipe; and the housing is also provided with a first air pressure detection meter and a second air pressure detection meter which are respectively used for detecting the pressure intensity in the two air outlet cavities.

Preferably, an air inlet communicated with the filter cavity is formed in the housing, and the first air inlet branch pipe and the second air inlet branch pipe are respectively communicated with the corresponding air inlet.

Preferably, the housing is provided with an air outlet communicated with the air outlet cavity, and the first air outlet branch pipe and the second air outlet branch pipe are respectively communicated with the corresponding air outlets.

Preferably, a separation part is arranged between the filter cavity and the air outlet cavity, and the filter element is provided with an ear plate attached to the separation part.

Preferably, a first sealing gasket is arranged on one side, facing the filter cavity, of the lug plate.

Preferably, an air guide cylinder is arranged in the air outlet cavity and between the filter element and the sealing cover, and an air inlet hole and an air outlet hole which correspond to the filter element and the air outlet are respectively formed in the air guide cylinder.

Preferably, the inner wall of the air cavity is provided with a limit groove, and the gas cylinder is provided with a limit part matched with the limit groove.

Preferably, the housing is provided with an air pressure detection hole communicated with the air outlet cavity, and the first air pressure detection meter and the second air pressure detection meter are connected with the corresponding air pressure detection holes in a matched manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, filter equipment is provided with two independent gas filtration passageways, and when the filter core that blocks up was changed to needs, filter equipment still can carry out the filtration operation, guarantees to add the gas column and can normal use when carrying out the filter core and changing.

2. The utility model discloses, use the atmospheric pressure to detect the table and judge the jam state of filter core, judge simple and conveniently, be favorable to the user in time to dismantle the filter core that clears up or change the new filter core to the filter core that causes the jam.

3. The utility model discloses, the filter core is pegged graft and is advanced the filtration intracavity to compress tightly spacingly through air guide cylinder and sealed lid, dismantle the back with sealed lid and air guide cylinder, can directly take out the filter core, can carry out the dismantlement and the change installation of filter core fast.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of the structure of the housing of the present invention;

FIG. 5 is a schematic view of the internal structure of the housing of the present invention;

fig. 6 is a schematic structural view of the filter element of the present invention;

FIG. 7 is a schematic structural view of the gas cylinder of the present invention;

fig. 8 is a schematic structural view of the sealing cover of the present invention; .

In the figure:

1-housing, 11-filter cavity, 12-air inlet, 13-air outlet cavity, 14-air outlet, 15-isolation part, 16-sealing groove, 17-limiting groove, 18-air pressure detecting hole,

2-filter element, 21-ear plate, 22-first sealing gasket,

3-an air guide cylinder, 31-an air inlet hole, 32-an air outlet hole, 33-a limiting part,

4-a second sealing gasket, which is,

5-a sealing cover, 51-a pressing head,

6-an air inlet manifold, 61-a first air inlet branch pipe, 62-a second air inlet branch pipe,

7-outlet manifold, 71-first outlet branch pipe, 72-second outlet branch pipe,

8-a valve is arranged on the upper portion of the valve,

91-a first air pressure detection meter, 92-a second air pressure detection meter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, an air-entraining column filtering device comprises a housing 1, wherein two mutually isolated filtering cavities 11 are arranged in the housing 1, an air outlet cavity 13 communicated with the filtering cavities 11 is further arranged on the housing 1, a filter element 2 is arranged between the filtering cavities 11 and the air outlet cavity 13, and a sealing cover 5 for sealing the air outlet cavity 13 is further arranged on the housing 1; the two filter chambers 11 are respectively communicated with the air inlet manifold 6 through a first air inlet branch pipe 61 and a second air inlet branch pipe 61; the two outlet cavities 13 are respectively communicated with the outlet manifold 7 through a first outlet branch pipe 71 and a second outlet branch pipe 72, and the first inlet branch pipe 61, the second inlet branch pipe 61, the first outlet branch pipe 71 and the second outlet branch pipe 72 are all provided with valves 8; the housing 1 is further provided with a first air pressure detection meter 91 and a second air pressure detection meter 92 which are respectively used for detecting the internal pressure of the two air outlet cavities 3.

Specifically, in this embodiment, as shown in fig. 1-2 and fig. 5, an air inlet 12 communicated with the filter cavity 11 is disposed on the housing 1, and the first air inlet branch pipe 61 and the second air inlet branch pipe 61 are respectively communicated with the corresponding air inlet 12.

Specifically, in this embodiment, as shown in fig. 1-2 and fig. 5, an air outlet 14 communicated with the air outlet cavity 14 is provided on the housing 1, and the first air outlet branch pipe 71 and the second air outlet branch pipe 72 are respectively communicated with the corresponding air outlet 14.

As a specific embodiment, as shown in fig. 3 and 5, a partition portion 15 is disposed on the housing 1 and between the filter cavity 11 and the air outlet cavity 13, an ear plate 21 attached to the partition portion 15 is disposed on the filter element 2, and the filter element 2 passes through the air outlet cavity 13 and is inserted into the filter cavity 2.

Further, as shown in fig. 3 and 6, a first sealing washer 22 is disposed on a side of the ear plate 21 facing the filter cavity 11 to increase the sealing performance between the ear plate 21 and the isolation portion 21, so as to ensure that the gas inside the filter cavity 11 can only enter the gas outlet cavity 13 through the filter element 2.

Further, as shown in fig. 2-3 and 7, an air guide cylinder 3 is disposed in the air outlet cavity 13 and between the filter element 2 and the sealing cover 5, and the air guide cylinder 3 is provided with an air inlet hole 31 and an air outlet hole 32 corresponding to the filter element 2 and the air outlet 14, respectively. The purpose of this design is that, firstly, a flow guiding effect can be created for the gas entering the interior of the housing 1 by means of the gas cylinder 3; secondly, the sealing cover 5 can form a compression effect on the filter element 2 through the gas cylinder 3, so that the lug plate 21 on the filter element 2 is tightly attached to the isolation part 15, and the sealing effect of the first sealing gasket 22 is ensured.

Furthermore, a limit groove 17 is arranged on the inner wall of the air cavity 13, and a limit part 33 matched with the limit groove 17 is arranged on the gas cylinder 3. The air outlet hole 31 is aligned with the air outlet 14 by the limiting and guiding action of the limiting part 33 and the limiting groove 17.

Specifically, in this embodiment, as shown in fig. 3 to 4 and fig. 8, a sealing groove 16 is disposed at an inlet of the air outlet cavity 13 on the housing 1, an internal thread is disposed on an inner wall of the sealing groove 16, a pressing head 51 corresponding to the sealing groove 16 is disposed on the sealing cover 5, and an external thread matched with the internal thread is disposed on the pressing head 51. Thus, the compressing head 51 can form a pushing function to the gas cylinder 3 while playing a connecting and fixing function.

Further, a second gasket 4 is arranged in the sealing groove 16 and between the gas cylinder 3 and the sealing cover 5, and the sealing function of the sealing cover 5 on the gas outlet cavity 13 is enhanced through the gasket 4.

Specifically, in this embodiment, as shown in fig. 1 and 4, the housing 1 is provided with an air pressure detection hole 18 communicated with the air outlet cavity 13, and the first air pressure detection gauge 91 and the second air pressure detection gauge 92 are connected to the corresponding air pressure detection hole 18 in a matching manner. Can detect two inside pressures of going out the air cavity 13 through first air pressure detection table 91 and second air pressure detection table, when the filter core 2 that corresponds with going out the air cavity 13 blocks up, gaseous unable entering corresponding air cavity 13 of going out, go out the inside pressure of air cavity 13 and diminish, change through atmospheric pressure in order to judge the jam state of filter core 2.

The working principle is as follows: when the gas filtering device is used, high-pressure natural gas respectively enters the two filtering cavities 11 from the gas inlet manifold 5, the first gas inlet branch pipe 61 and the second gas inlet branch pipe 62, then flows to the gas outlet cavity 13 from the filtering cavities 11 and is filtered through the filter element 2, finally the gas finally flows into the gas outlet manifold 7 through the first gas outlet branch pipe 71 and the second gas outlet branch pipe 72, and the gas outlet manifold 7 is connected with an external main process pipeline to finish gas filtering.

The long-time filtration of filter core 2 is used, and tiny particle and gaseous impurity in the pipeline are filtered by filter core 2 and are adsorbed on filter core 2 surface, cause the filter core to block up, can detect the inside pressure in the corresponding air outlet cavity 13 through first atmospheric pressure test table 91 or second atmospheric pressure test table 92 at this moment, judge the jam situation of corresponding filter core 2, and pressure is lower promptly, and it is more serious to block up. When the filter element 2 is replaced or cleaned, for example, the corresponding filter element 2 is blocked by the first air inlet branch pipe 61 and the first air outlet branch pipe 71, the valve 8 on the first air inlet branch pipe 61 and the first air outlet branch pipe 71 is closed, then the corresponding sealing cover 5 is opened to take out the second sealing gasket 4, the air guide tube 3 and the filter element 2 in sequence, after the filter element 2 is cleaned or a new filter element is directly replaced, the filter element 2, the air guide tube 3 and the second sealing gasket 4 are returned in sequence, and finally the sealing cover 5 is covered and the corresponding valve is reopened, so that the replacement of the blocked filter element is completed. When the filter element is replaced, gas can continue to be filtered through the filtering channels corresponding to the second gas inlet branch pipe 92 and the second gas outlet branch pipe 72, so that the replacement of the filter element by the gas can be carried out on the premise of filtering without stopping, and the filtering device can be used for filtering without stopping.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a gas column filter equipment which characterized in that: the filter comprises a housing, wherein two mutually isolated filter cavities are arranged in the housing, an air outlet cavity communicated with the filter cavities is also arranged on the housing, a filter element is arranged between the filter cavities and the air outlet cavity, and a sealing cover used for sealing the air outlet cavity is also arranged on the housing; the two filter cavities are respectively communicated with the air inlet main pipe through a first air inlet branch pipe and a second air inlet branch pipe; the two air outlet cavities are communicated with the air outlet main pipe through a first air outlet branch pipe and a second air outlet branch pipe respectively, and valves are arranged on the first air inlet branch pipe, the second air inlet branch pipe, the first air outlet branch pipe and the second air outlet branch pipe; and the housing is also provided with a first air pressure detection meter and a second air pressure detection meter which are respectively used for detecting the internal pressure of the two air outlet cavities.

2. The gas column filter apparatus of claim 1, wherein: the housing is provided with an air inlet communicated with the filter cavity, and the first air inlet branch pipe and the second air inlet branch pipe are respectively communicated with the corresponding air inlets.

3. The gas column filter apparatus of claim 1, wherein: the housing is provided with a gas outlet communicated with the gas outlet cavity, and the first gas outlet branch pipe and the second gas outlet branch pipe are respectively communicated with the corresponding gas outlets.

4. A gas column filter device according to claim 3, wherein: and a separation part is arranged between the filter cavity and the air outlet cavity, and the filter element is provided with an ear plate which is attached to the separation part.

5. The gas column filter apparatus of claim 4, wherein: one side of the ear plate, which faces the filter cavity, is provided with a first sealing gasket.

6. The gas column filter apparatus of claim 4, wherein: the air outlet cavity is positioned between the filter element and the sealing cover, and an air guide cylinder is arranged in the air outlet cavity and is provided with an air inlet hole and an air outlet hole corresponding to the filter element and the air outlet respectively.

7. The gas column filter apparatus of claim 6, wherein: the inner wall of the air cavity is provided with a limiting groove, and the gas cylinder is provided with a limiting part matched with the limiting groove.

8. The gas column filter apparatus of claim 1, wherein: the cover is provided with air pressure detection holes communicated with the air outlet cavity, and the first air pressure detection meter and the second air pressure detection meter are matched and connected with the corresponding air pressure detection holes.