CN215667862U

CN215667862U - Natural gas filter element

Info

Publication number: CN215667862U
Application number: CN202121403003.1U
Authority: CN
Inventors: 项林斌
Original assignee: Shanghai Lantiao Gas Co ltd
Current assignee: Shanghai Lantiao Gas Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-28
Anticipated expiration: 2031-06-23

Abstract

The utility model relates to the technical field of fuel gas filtration, and discloses a natural gas filter element, which comprises a filter mantle, a filter cylinder and a shell, wherein the bottom of the filter cylinder is closed and is fixedly connected with the top of the filter mantle; the filter element adopts the combination of the filter cover, the filter cylinder and the shell, a spiral ascending filter channel is formed in the filter element through the spiral clapboard, dust in high-speed airflow is thrown onto surrounding dust-absorbing cotton, the separation of the dust is realized, meanwhile, the filter cotton is arranged in the filter cylinder, the dust cannot be accumulated on the filter cotton under the high-pressure airflow, the blockage is prevented, and the high-efficiency filtration is realized; the clearance can be dismantled to the shell, prevents to block up, convenient and practical.

Description

Natural gas filter element

Technical Field

The utility model relates to the technical field of fuel gas filtration, in particular to a natural gas filter element.

Background

With the rapid development of the society, the natural gas industry is rapidly developed, high-pressure and large-caliber pipelines become the inevitable trend of the development of the natural gas industry, and the gas quality filtration of high-pressure natural gas pipelines is a problem to be faced.

The filter element structure of the filter in the prior art is single, the filter element filter cotton is lack of certain strength support, the filter cotton is easy to deform under the impact of high-pressure gas, and a large amount of dust is accumulated on the filter cotton after long-term use, so that the filter element is blocked, and the filtering effect is influenced; meanwhile, dust deposited in the pipeline is difficult to be effectively and safely filtered, and a new natural gas filter element needs to be designed in order to reduce the accumulation and blockage of the dust while ensuring the filtering effect.

Disclosure of Invention

Therefore, the utility model provides a natural gas filter element, which aims to solve the problems that the filter cotton is deformed and easily blocked by accumulated dust due to the fact that the traditional filter element is single in structure and lacks strength support in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a natural gas filter core, includes the filter bowl, strains a section of thick bamboo and shell, strain a section of thick bamboo bottom and seal and with filter bowl top fixed connection, it encircles and is provided with the spiral baffle to strain a section of thick bamboo side surface, the shell cover is established in the outside of straining a section of thick bamboo and spiral baffle, the outer edge of spiral baffle offsets with the shell inner wall, the shell fastens each other with the filter bowl and a section of thick bamboo through closing the mode of being connected soon with the spiral baffle, strain a section of thick bamboo, shell and spiral baffle enclose into the ascending filtration passageway of spiral, filtration passageway bottom and filter bowl intercommunication, it is provided with the filter pulp to strain an inner chamber embedding, strains the penetrating its inner chamber and filtration passageway intercommunication in surface of a section of thick bamboo, the top of straining a section of thick bamboo is provided with the gas outlet, the through-hole that the gas outlet runs through the shell top stretches to the shell outside, the inner wall of shell is provided with the dust absorption cotton.

Furthermore, the spiral buckle is arranged at the outer edge of the spiral partition plate, the spiral groove corresponding to the spiral buckle is spirally arranged on the inner wall of the shell in a surrounding mode, the shell is tightly fastened with the filter cover and the filter cartridge through the spiral buckle and the spiral groove, so that the shell is connected with the filter cover and the filter cartridge, the normal operation of the filtering process is guaranteed, and meanwhile the shell is conveniently detached to clean the filter cartridge regularly.

Further, the surface of the filter cylinder is provided with a plurality of uniformly distributed air holes.

Further, the surface of the filter cylinder is in a through honeycomb shape.

Based on the technical characteristics, the surface structure of the filter cylinder is through, so that the filter cylinder is communicated with the inside and the outside, and the gas circulation and filtration are ensured.

Furthermore, the contact positions of the shell, the filter cover and the filter cylinder are provided with sealing gaskets, so that the air tightness in the filter element is ensured to be good, and the filtering effect is ensured.

The utility model has the following advantages:

the filter element adopts the combination of a filter cover, a filter cylinder and a shell, a spiral clapboard is arranged between the filter cylinder and the shell, so that a spiral ascending filter channel is formed in the filter element, high-pressure gas is rotated to throw dust into surrounding dust-absorbing cotton under the action of centrifugal force, the gas is filtered towards the center direction of the filter element, the separation of the dust is realized, meanwhile, the filter cotton is arranged in the filter cylinder, the dust cannot be accumulated on the filter cotton under the action of high-pressure gas flow, the filter cotton is prevented from being deformed, the blockage is prevented, and the high-efficiency filtration is realized; but the shell spiral is dismantled, regularly clears up impurity, prevents to block up convenient and practical.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.

Fig. 1 is an internal structural view of a natural gas filter cartridge provided by the present invention;

FIG. 2 is a schematic illustration of a natural gas filter cartridge provided in accordance with the present invention with the housing removed;

FIG. 3 is a cross-sectional view of a housing of a natural gas filter cartridge provided by the present invention;

fig. 4 is an external view of a natural gas filter cartridge according to the present invention.

In the figure: 1-filter cover, 2-filter cylinder, 3-shell, 4-air hole, 5-air outlet, 6-spiral clapboard, 7-spiral button, 8-dust-absorbing cotton, 9-filter channel, 10-filter cotton, 11-through hole and 12-spiral groove.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. 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.

As shown in fig. 1-4, a natural gas filter element comprises a filter mantle 1, a filter cartridge 2 and a shell 3, wherein the filter mantle 1, the filter cartridge 2 and the shell 3 are all cylindrical, the bottom of the filter cartridge 2 is closed and is fixedly connected with the top of the filter mantle 1, a spiral partition plate 6 is arranged on the side surface of the filter cartridge 2 in a surrounding manner, the spiral partition plate 6 is vertically and fixedly connected to the side surface of the filter cartridge 2, the shell 3 is sleeved outside the filter cartridge 2 and the spiral partition plate 6, and the outer edge of the spiral partition plate 6 abuts against the inner wall of the shell 3.

The outer edge of the spiral partition plate 6 is provided with a spiral buckle 7 towards one end of the shell 3, the inner wall of the shell 3 is spirally and circularly provided with a spiral groove 12 corresponding to the spiral buckle 7, and the spiral buckle 7 and the spiral groove 12 are consistent in spiral angle and are meshed. The outer shell 3 is fastened with the filter cover 1 and the filter cartridge 2 through the screwing of the turnbuckle 7 and the spiral groove 12.

The filter cartridge 2, the shell 3 and the spiral partition plate 6 are enclosed to form a filter channel 9 which spirally rises upwards, the bottom of the filter channel 9 is communicated with the filter cover 1, and the surface of the filter cover 1 is provided with a plurality of through holes, so that the filter cover is communicated with the outside to play a role in primary filtration. The filter cartridge 2 is provided with filter cotton 10 in an inner cavity in an embedded mode, the filter cotton 10 is arranged in a cylindrical mode and embedded into the filter cartridge 2, the filter cotton 10 cannot deform under the condition of high-pressure airflow through the support of the side wall of the filter cartridge 2, and the filtering effect of the filter cotton 10 is guaranteed. The surface of the filter cylinder 2 is through, preferably, the surface of the filter cylinder 2 is provided with a plurality of uniformly distributed air holes 4, or the surface of the filter cylinder 2 is in a through honeycomb shape, so that the inner cavity of the filter cylinder is communicated with the filtering channel 9, and the air circulation and filtration are ensured.

The top of the filter cartridge 2 is provided with an air outlet 5, and the air outlet 5 penetrates through a through hole 11 at the top of the shell 3 and extends to the outside of the shell 3. The contact positions of the shell 3, the filter cover 1 and the filter cylinder 2 are provided with sealing gaskets, so that the internal air tightness of the filter element is ensured to be good, and the filtering effect is ensured.

The inner wall of the shell 3 is provided with dust absorption cotton 8, the dust absorption cotton 8 is attached to the cylindrical inner wall of the shell 3 and is spaced from the spiral groove 12, and dust in the filtering channel 9 can be absorbed and collected.

The specific working process of the filter element is as follows: install the filter core in the filter that matches, gas among the high pressure pipeline is through filter house 1 prefilter, get into in filtering channel 9 from the bottom of filter core, high pressure gas is through the water conservancy diversion of spiral baffle 6, form the air current of spiral shell screwing in filtering channel 9, because the high-speed rotation of gas, under the centrifugal force effect, dust in the gas is got rid of on the dust absorption cotton 8 on every side, the gas is through penetrating 2 lateral walls of straining a section of thick bamboo and get into 2 insides of straining a section of thick bamboo, realize the separation of dust in the gas, the gas is through filtering cotton 10 and realize once more filtering again, reach the precision and filter, guarantee the gas quality, the gas after the filtration is discharged through the gas outlet 5 at a section of thick bamboo 2 tops, whole filtering process can be accomplished under high pressure draught, guarantee safety. The shell 3 can also rotate to be separated from the filter cover 1 and the filter cylinder 2, and dust absorption cotton 8 in the shell 3 can be cleaned to prevent blockage.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. A natural gas filter cartridge comprising a filter cage (1), a filter cartridge (2) and a housing (3), characterized in that: the bottom of the filter cylinder (2) is closed and is fixedly connected with the top of the filter cover (1), a spiral partition plate (6) is arranged on the side surface of the filter cylinder (2) in a surrounding mode, the shell (3) is sleeved outside the filter cylinder (2) and the spiral partition plate (6), the outer edge of the spiral partition plate (6) is abutted against the inner wall of the shell (3), the shell (3) is fastened with the filter cover (1) and the filter cylinder (2) in a screwing connection mode with the spiral partition plate (6), the filter cylinder (2), the shell (3) and the spiral partition plate (6) enclose a filter channel (9) which spirally rises upwards, the bottom of the filter channel (9) is communicated with the filter cover (1), filter cotton (10) is embedded in the inner cavity of the filter cylinder (2), the surface of the filter cylinder (2) is through to enable the inner cavity of the filter cylinder to be communicated with the filter channel (9), and the top of the filter cylinder (2) is provided with an air outlet (5), the air outlet (5) penetrates through a through hole (11) in the top of the shell (3) and extends to the outside of the shell (3), and dust collection cotton (8) is arranged on the inner wall of the shell (3).

2. A natural gas filter cartridge as recited in claim 1, wherein: the spiral filter is characterized in that a spiral buckle (7) is arranged at the outer edge of the spiral partition plate (6), a spiral groove (12) corresponding to the spiral buckle (7) is spirally arranged on the inner wall of the shell (3) in a surrounding mode, and the shell (3) is fastened with the filter cover (1) and the filter cartridge (2) through the spiral combination of the spiral buckle (7) and the spiral groove (12).

3. A natural gas filter cartridge as recited in claim 2, wherein: the surface of the filter cylinder (2) is provided with a plurality of air holes (4) which are uniformly distributed.

4. A natural gas filter cartridge as recited in claim 2, wherein: the surface of the filter cylinder (2) is in a through honeycomb shape.

5. A natural gas filter cartridge according to any one of claims 1 to 4, wherein: and sealing gaskets are arranged at the contact positions of the shell (3) and the filter cover (1) and the filter cylinder (2).