CN216550315U

CN216550315U - Natural gas filtering device

Info

Publication number: CN216550315U
Application number: CN202122681426.6U
Authority: CN
Inventors: 于范易
Original assignee: Qingdao Iwei Gas Co ltd
Current assignee: Qingdao Iwei Gas Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-17
Anticipated expiration: 2031-11-04

Abstract

The utility model belongs to the technical field of gas pipelines, and particularly discloses a natural gas filtering device which comprises a valve body and a filter screen, wherein the valve body is used for connecting a gas inlet pipeline and a gas outlet pipeline, the filter screen is used for filtering impurities in natural gas, a positioning sleeve is sleeved in the valve body, a mounting ring used for fixing the filter screen is arranged in the positioning sleeve, a fixing column is fixed between the mounting ring and a sealing cover plate, the mounting ring is fixed on the inner side of the sealing cover plate through the fixing column, an external thread is arranged on the side wall of the sealing cover plate, an internal thread matched with the external thread is arranged on the inner side of one end of the corresponding valve body, and a gas inlet and a gas outlet are respectively arranged on the positioning sleeve corresponding to the gas inlet pipeline and the gas outlet pipeline. Through set up detachable position sleeve on the basis of original valve body, conveniently clear up and change the filter screen, it is simple quick, owing to can wholly dismantle the valve body tip, the clearance is more thorough, avoids impurity to block the admission pipeline, and can not touch original admission line and the pipeline of giving vent to anger, avoids causing for the pipeline to reveal the influence.

Description

Natural gas filtering device

Technical Field

The utility model belongs to the technical field of gas pipelines, and particularly relates to a natural gas filtering device.

Background

Disclosed in patent CN201420425583.8 is a current natural gas filter equipment, including valve body, access connection piece, exit linkage spare, blowdown mouth and filter screen, the valve body includes a natural gas import and a natural gas export, the natural gas import sets up with natural gas export mutually perpendicular, access connection piece and natural gas import sealing connection, access connection piece and natural gas export sealing connection, and in exit linkage spare one end stretched into the valve body, the one end of stretching into the exit linkage spare in the valve body was equipped with the filter screen, the blowdown mouth sets up on the valve body. The utility model has the advantages of more convenient replacement of the filter screen, simple structure, low processing cost and high bearing pressure. But the device need change the pipeline of giving vent to anger when changing the filter screen, influences the fixed connection relation of original pipeline to need set up the blowdown mouth alone and clear up the impurity that the filter screen filtered out, the blowdown mouth is less, and the clearance is comparatively difficult.

Accordingly, further developments and improvements are still needed in the art.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, a natural gas filtering device has been proposed. The utility model provides the following technical scheme:

the utility model provides a natural gas filtering device, is including the valve body that is used for connecting admission line and pipeline of giving vent to anger and the filter screen that is used for filtering impurity in the natural gas, the adapter sleeve has cup jointed in the valve body, be provided with the collar that is used for fixed filter screen in the adapter sleeve, be fixed with the fixed column between collar and the sealed apron, the collar is fixed in sealed apron inboard through the fixed column, be provided with the external screw thread on the lateral wall of sealed apron, the one end inboard that corresponds the valve body is provided with external screw thread assorted internal thread, it is provided with air inlet and gas outlet respectively to correspond admission line and pipeline of giving vent to anger on the adapter sleeve.

Further, the mounting ring is including the solid fixed ring that is used for connecting the fixed column and the clamp ring that is used for compressing tightly the filter screen, correspond on clamp ring and the solid fixed ring and be provided with the screw hole that is used for mounting screw, clamp ring and solid fixed ring pass through the detachable connection of screw.

Furthermore, a sealing groove for installing a sealing ring is arranged on the outer wall of the fixing ring.

Further, the threaded holes are four, and the four threaded holes are circumferentially and uniformly distributed on the compression ring and the fixing ring.

Furthermore, the positioning sleeve outer wall is provided with the positioning groove, be provided with on the valve body inner wall with positioning groove assorted location arch.

Furthermore, the positioning grooves are provided with four and correspondingly provided with four positioning bulges.

Further, be provided with the admission line on the valve body lateral wall, valve body tip and sealed apron relative one side are provided with the pipeline of giving vent to anger, the inside elastic washer who is used for sealed and keep apart valve body and position sleeve that is provided with near the pipeline one side of giving vent to anger of valve body.

Furthermore, a sealing gasket is arranged between the sealing cover plate and the positioning sleeve.

Furthermore, a plum blossom handle for screwing the sealing cover plate is fixed on the outer side of the sealing cover plate.

Furthermore, four fixing columns are arranged, and the four fixing columns are distributed between the mounting ring and the sealing cover plate in a central symmetry mode.

Has the advantages that:

1. the detachable positioning sleeve is arranged on the basis of the original valve body, so that the filter screen is convenient to clean and replace, the cleaning is simple and quick, the end part of the valve body can be integrally detached, the cleaning is more thorough, the air inlet pipeline is prevented from being blocked by impurities, the original air inlet pipeline and the original air outlet pipeline are not touched, and the leakage influence on the pipeline is avoided;

2. the mounting direction of the positioning sleeve is limited by the limiting action of the positioning groove and the positioning bulge, so that the air inlet can be accurately aligned with the air inlet pipeline;

3. through setting up the elastic washer for under the no external force extrusion condition, the tip of position sleeve and valve body is kept apart by the elastic washer, and then realizes the air inlet on the position sleeve and the admission line separation on the valve body, avoids impurity to fall into in the admission line of valve body bottom dismantling the in-process.

Drawings

FIG. 1 is a schematic illustration of an exploded view of a natural gas filtration unit in accordance with an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a natural gas filtration unit according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a natural gas filtration unit according to an embodiment of the present invention;

in the drawings: 100. a valve body; 110. an air intake duct; 120. an air outlet pipe; 130. positioning the projection; 200. a positioning sleeve; 210. positioning a groove; 300. sealing the cover plate; 310. a plum blossom handle; 320. fixing a column; 330. a fixing ring; 331. a sealing groove; 340. a compression ring; 341. a threaded hole; 400. a sealing gasket; 500. an elastic washer.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.

As shown in fig. 1-3, a natural gas filtering device, including the valve body 100 that is used for connecting inlet line 110 and outlet line 120 and the filter screen that is used for filtering impurity in the natural gas, positioning sleeve 200 has cup jointed in the valve body 100, be provided with the collar that is used for fixed filter screen in the positioning sleeve 200, be fixed with fixed column 320 between collar and the sealed apron 300, the collar is fixed in sealed apron 300 inboard through fixed column 320, be provided with the external screw thread on the lateral wall of sealed apron 300, the one end inboard that corresponds valve body 100 is provided with the internal thread with the external screw thread assorted, it is provided with air inlet and gas outlet respectively to correspond inlet line 110 and outlet line 120 on the positioning sleeve 200. Through set up detachable position sleeve 200 on original valve body 100's basis, conveniently clear up and change the filter screen, it is simple quick, owing to can wholly dismantle valve body 100 tip, the clearance is more thorough, avoids impurity to block the inlet duct, and can not touch original inlet duct 110 and outlet duct 120, avoids causing for the pipeline to reveal the influence.

Further, the mounting ring comprises a fixing ring 330 for connecting the fixing column 320 and a pressing ring 340 for pressing the filter screen, threaded holes 341 for mounting screws are correspondingly arranged on the pressing ring 340 and the fixing ring 330, and the pressing ring 340 and the fixing ring 330 are detachably connected through screws. Through the detachable fit connection of clamp ring 340 and fixed ring 330, fix the filter screen between clamp ring 340 and fixed ring 330, ensure that the installation is firm, convenient clearance, change easy operation.

Further, a sealing groove 331 for installing a sealing ring is disposed on an outer wall of the fixing ring 330.

Further, the number of the threaded holes 341 is four, and the four threaded holes 341 are circumferentially and uniformly distributed on the compression ring 340 and the fixing ring 330.

Further, the outer wall of the positioning sleeve 200 is provided with a positioning groove 210, and the inner wall of the valve body 100 is provided with a positioning protrusion 130 matched with the positioning groove 210. The installation direction of the positioning sleeve 200 is limited by the limiting action of the positioning groove 210 and the positioning protrusion 130, thereby ensuring that the air inlet can be accurately aligned with the air inlet duct 110.

Furthermore, four positioning grooves 210 are provided, and four positioning protrusions 130 are correspondingly provided.

Further, an air inlet pipe 110 is arranged on the side wall of the valve body 100, an air outlet pipe 120 is arranged on one side of the end of the valve body 100 opposite to the sealing cover plate 300, and an elastic gasket 500 for sealing and isolating the valve body 100 and the positioning sleeve 200 is arranged on one side of the valve body 100 close to the air outlet pipe 120. Through setting up elastic washer 500 for under the circumstances of no external force extrusion, the tip of position sleeve 200 and valve body 100 is kept apart by elastic washer 500, and then realizes that the air inlet on the position sleeve 200 separates with the admission line 110 on the valve body 100, avoids impurity to fall into in the admission line 110 of valve body 100 bottom in dismantling the in-process.

Further, a sealing gasket 400 is disposed between the sealing cover plate 300 and the positioning sleeve 200. Through setting up seal ring 400, increase the sealing performance that can dismantle sealed apron 300 department, avoid gas leakage phenomenon to take place.

Further, a plum blossom handle 310 for screwing the sealing cover plate 300 is fixed on the outer side of the sealing cover plate 300. The plum blossom handle 310 is convenient to grasp, and the plum blossom handle 310 is arranged at the axis position of the end part of the sealing cover plate 300, so that force application is convenient.

Further, four fixing posts 320 are provided, and the four fixing posts 320 are centrally and symmetrically distributed between the mounting ring and the sealing cover plate 300.

The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

Claims

1. The utility model provides a natural gas filtering device, its characterized in that, including valve body (100) that is used for connecting admission line (110) and pipeline (120) of giving vent to anger and be used for filtering the filter screen of natural gas internal impurity, positioning sleeve (200) have cup jointed in valve body (100), be provided with the collar that is used for fixed filter screen in positioning sleeve (200), be fixed with fixed column (320) between collar and sealed apron (300), the collar is fixed in sealed apron (300) inboard through fixed column (320), be provided with the external screw thread on the lateral wall of sealed apron (300), the one end inboard that corresponds valve body (100) be provided with external screw thread assorted internal thread, it is provided with air inlet and gas outlet respectively to correspond admission line (110) and pipeline (120) of giving vent to anger on positioning sleeve (200).

2. The natural gas filtering device according to claim 1, wherein the mounting ring comprises a fixing ring (330) for connecting the fixing column (320) and a pressing ring (340) for pressing the filter screen, threaded holes (341) for mounting screws are correspondingly arranged on the pressing ring (340) and the fixing ring (330), and the pressing ring (340) and the fixing ring (330) are detachably connected through screws.

3. The natural gas filtering device according to claim 2, wherein the outer wall of the fixing ring (330) is provided with a sealing groove (331) for installing a sealing ring.

4. The natural gas filtering device according to claim 2, wherein the number of the threaded holes (341) is four, and the four threaded holes (341) are circumferentially and uniformly distributed on the pressing ring (340) and the fixing ring (330).

5. The natural gas filtering device according to claim 1, wherein the outer wall of the positioning sleeve (200) is provided with a positioning groove (210), and the inner wall of the valve body (100) is provided with a positioning bulge (130) matched with the positioning groove (210).

6. The natural gas filtering device according to claim 5, wherein the positioning grooves (210) are provided with four, and correspondingly, four positioning protrusions (130) are provided.

7. The natural gas filtering device according to claim 1, wherein a gas inlet pipe (110) is arranged on the side wall of the valve body (100), a gas outlet pipe (120) is arranged on the side of the end part of the valve body (100) opposite to the sealing cover plate (300), and an elastic gasket (500) for sealing and isolating the valve body (100) and the positioning sleeve (200) is arranged on the side of the valve body (100) close to the gas outlet pipe (120).

8. A natural gas filtering device according to claim 1, wherein a sealing gasket (400) is further arranged between the sealing cover plate (300) and the positioning sleeve (200).

9. The natural gas filtering device according to claim 1, characterized in that a plum-blossom-shaped handle (310) for screwing the sealing cover plate (300) is fixed on the outer side of the sealing cover plate (300).

10. The natural gas filtering device according to claim 1, wherein four fixing posts (320) are provided, and the four fixing posts (320) are centrally and symmetrically distributed between the mounting ring and the sealing cover plate (300).