CN214694030U

CN214694030U - Natural gas filtering device

Info

Publication number: CN214694030U
Application number: CN202120996793.2U
Authority: CN
Inventors: 陈刚
Original assignee: Chengdu Lunci Instrument Co ltd
Current assignee: Chengdu Lunci Instrument Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-12
Anticipated expiration: 2031-05-11

Abstract

The utility model provides a natural gas filtering device, the purpose is solved current natural gas filtering device and is not convenient for clear up the technical problem of filter residue. The adopted technical scheme is as follows: a natural gas filtration plant comprising: the slag collecting chamber is communicated with the bottom of the conical barrel, the air inlet pipe penetrates through the upper part of the left wall of the conical barrel, and the exhaust pipe penetrates through the center of the top plate of the conical barrel; the bottom of the conical cylinder and the top of the slag collecting chamber are respectively provided with an annular ridge surrounding the outer wall and fixedly connected through bolts penetrating through the annular ridge; the air inlet pipe horizontally extends from left to right and faces a space between the inner wall of the conical cylinder and the exhaust pipe; the conical cylinder inclines towards the right from top to bottom, and the exhaust pipe is coaxial with the conical cylinder.

Description

Natural gas filtering device

Technical Field

The utility model relates to a natural gas purifying equipment technical field, concretely relates to natural gas filter equipment.

Background

Natural gas is trapped in underground porous rock formations, including oil field gas, gas field gas, coal bed gas, mud volcanic gas, biogenic gas, and the like, and a small amount of natural gas is also released from the coal bed. The natural gas is mainly formed by mixing gaseous low molecular hydrocarbon and non-hydrocarbon gas, is a high-quality fuel and has wide application in industrial factories and living communities.

Crude natural gas produced from the ground contains impurities such as dust, naphthalene, tar, water, nitrogen compounds, inorganic sulfur, organic sulfur, etc., which clog pipelines, corrode equipment and tools, or pollute the environment during combustion, and must be removed.

In the prior art, solid impurities in natural gas are generally removed by a vertical cylindrical filter, the natural gas enters from the bottom of an inner cylinder, flows from bottom to top, passes through a sieve pore of the inner cylinder, enters an outer cylinder, flows from top to bottom in the outer cylinder and finally flows out from the lower part of the inner cylinder. The inner cylinder and the outer cylinder of the filter collect residues which need to be cleaned respectively, and the defects of complex operation and high labor intensity exist during cleaning.

Disclosure of Invention

An object of the utility model is to provide a natural gas filtering device, its simple structure, row's sediment convenience have reduced the operation volume when later maintenance, have reduced staff's intensity of labour.

In order to achieve the above object, the utility model adopts the following technical scheme:

a natural gas filtration plant comprising: the slag collecting chamber is communicated with the bottom of the conical barrel, the air inlet pipe penetrates through the upper part of the left wall of the conical barrel, and the exhaust pipe penetrates through the center of the top plate of the conical barrel; the bottom of the conical cylinder and the top of the slag collecting chamber are respectively provided with an annular ridge surrounding the outer wall and fixedly connected through bolts penetrating through the annular ridge; the air inlet pipe horizontally extends from left to right and faces a space between the inner wall of the conical cylinder and the exhaust pipe; the conical cylinder inclines towards the right from top to bottom, and the exhaust pipe is coaxial with the conical cylinder.

Optionally, a push rod is arranged in the slag collecting chamber, and the push rod is coaxial with the conical barrel; the top of the ejector rod is in threaded connection with a sealing piece; the upper section of the sealing piece is hemispherical, the lower section of the sealing piece is in a round table shape with a large upper part and a small lower part, and the surface of the sealing piece is coated with an elastic layer; when the slag collecting chamber is detached from the conical cylinder, the sealing piece seals the bottom of the conical cylinder.

Optionally, the slag collecting chamber comprises a guide section coaxial with the conical barrel and a settling section extending vertically downwards.

Optionally, a first sealing element is arranged between the two annular ribs.

Optionally, the exhaust pipe is provided with a connecting disc surrounding the outer wall of the exhaust pipe, and the top plate of the conical cylinder is provided with an outer edge extending out of the outer wall of the conical cylinder and fixedly connected with the connecting disc through a bolt penetrating through the outer edge.

Optionally, a second sealing element is arranged between the connecting disc and the top plate of the conical barrel.

Optionally, a drainage cover surrounding the exhaust pipe is arranged at the bottom of the connecting disc, and a through hole for the exhaust pipe to penetrate out is formed in the bottom of the drainage cover; the space between the outer wall of the drainage cover and the inner wall of the conical cylinder forms a flow guide channel, and the extending direction of the air inlet pipe is tangent to the flow guide channel.

Optionally, the lower surface of the connecting disc is provided with a threaded interface and is in threaded connection with the drainage cover.

The utility model discloses a theory of operation does: introduce a toper section of thick bamboo with the natural gas through the intake pipe, the natural gas can be hit and beat the right side inner wall at a toper section of thick bamboo to along the downward spiral flow of toper section of thick bamboo inner wall, from up flowing down along the center pin of a toper section of thick bamboo after reacing toper bobbin base, and discharge from the blast pipe. The solid impurities mixed in the natural gas lose kinetic energy due to the fact that the solid impurities impact the inner wall of the conical cylinder, so that the solid impurities slide down along the inner wall of the conical cylinder and fall into a slag collecting chamber at the bottom of the conical cylinder. When the residue in the residue collection chamber needs to be cleaned, the bolt on the annular ridge is unscrewed, and then the residue collection chamber can be detached to clean the residue in the residue collection chamber.

Therefore, the utility model has the advantages that: simple structure, arrange the sediment convenience, the amount of operation when having reduced later maintenance has reduced staff's intensity of labour. In addition, when natural gas hits the right inner wall of the conical cylinder, an included angle between the natural gas and the inner wall of the lower conical cylinder is an obtuse angle, and an included angle between the natural gas and the inner wall of the upper conical cylinder is an acute angle; therefore, the natural gas can be better guided downwards, and the turbulence of the gas flow is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a left side view of the present invention;

reference numerals: 1. a tapered barrel; 2. a slag collection chamber; 3. an air inlet pipe; 4. an exhaust pipe; 5. an annular ridge; 6. a top rod; 7. a closure member; 8. a guide section; 9. a precipitation section; 10. a connecting disc; 11. a drainage cover.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Embodiments of the present invention will be described in detail below with reference to fig. 1 to 4.

The embodiment of the utility model provides a natural gas filtering device, this natural gas filtering device includes: the slag collecting device comprises a conical barrel 1 with a large upper part and a small lower part, a slag collecting chamber 2 communicated with the bottom of the conical barrel 1, an air inlet pipe 3 arranged at the upper part of the left wall of the conical barrel 1 in a penetrating way, and an exhaust pipe 4 arranged at the center of the top plate of the conical barrel 1 in a penetrating way. It should be understood that the air inlet pipe 3, the air outlet pipe 4 and the cone 1 may be configured as a detachable structure or as an integrated structure. The bottom of the conical cylinder 1 and the top of the slag collecting chamber 2 are respectively provided with an annular ridge 5 surrounding the outer wall and fixedly connected through a bolt penetrating through the annular ridge 5. The air inlet pipe 3 horizontally extends from left to right and faces the space between the inner wall of the conical cylinder 1 and the exhaust pipe 4. It should be understood that the air inlet pipe 3 may be directed to the space between the inner wall of the rear side of the tapered barrel 1 and the air outlet pipe 4, and the air inlet pipe 3 may be directed to the space between the inner wall of the front side of the tapered barrel 1 and the air outlet pipe 4. The conical cylinder 1 inclines towards the right from top to bottom, and the exhaust pipe 4 is coaxial with the conical cylinder 1.

Explaining the utility model discloses a concrete implementation mode introduces a toper section of thick bamboo 1 with the natural gas through intake pipe 3, and the natural gas can be hit and beat the right side inner wall at a toper section of thick bamboo 1 to along the downward spiral flow of a toper section of thick bamboo 1 inner wall, follow the center pin of a toper section of thick bamboo 1 after reacing a toper section of thick bamboo 1 bottom and from up flowing down, and discharge from blast pipe 4. The solid impurities mixed in the natural gas lose kinetic energy due to the fact that the solid impurities impact the inner wall of the conical cylinder 1, slide downwards along the inner wall of the conical cylinder 1 and fall into the slag collecting chamber 2 at the bottom of the conical cylinder 1. When the residue in the residue collection chamber 2 needs to be cleaned, the bolt on the annular ridge 5 is unscrewed, and then the residue collection chamber 2 can be detached, and the residue in the residue collection chamber 2 is cleaned. The utility model discloses simple structure, row's sediment convenience have reduced the operational load when later maintenance, have reduced staff's intensity of labour. In addition, when natural gas hits the right inner wall of the conical cylinder 1, the included angle between the natural gas and the inner wall of the lower conical cylinder 1 is an obtuse angle, and the included angle between the natural gas and the inner wall of the upper conical cylinder 1 is an acute angle; therefore, the natural gas can be better guided downwards, and the turbulence of the gas flow is avoided.

In one embodiment disclosed in the present application, a push rod 6 is arranged in the slag collecting chamber 2, and the push rod 6 is coaxial with the conical barrel 1; the top of the ejector rod 6 is in threaded connection with a sealing piece 7; the upper section of the sealing piece 7 is hemispherical, the lower section of the sealing piece is in a circular truncated cone shape with a large upper part and a small lower part, and the surface of the sealing piece is coated with an elastic layer; when the slag collecting chamber 2 is detached from the conical cylinder 1, the sealing piece 7 seals the bottom of the conical cylinder 1. It should be understood that the top plate of the conical cylinder 1 has an opening through which the exhaust pipe 4 and the draft shield 11 pass, and the sealing member 7 can be put in from the top plate opening of the conical cylinder 1 when the sealing member 7 is mounted. After the bolts of the annular ribs 5 are taken down, the slag collecting chamber 2 is pulled downwards, the sealing piece 7 is closed to the bottom of the conical cylinder 1, then the slag collecting chamber 2 is rotated, the sealing piece 7 is separated from the ejector rod 6, and the slag collecting chamber 2 can be detached. After the residue in the residue collection chamber 2 is cleaned, the ejector rod 6 is screwed into the threaded hole at the bottom of the sealing piece 7, so that the ejector rod 6 is in threaded connection with the sealing piece 7; and then screwing the bolt into the annular ridge 5 to enable the slag collecting chamber 2 to be in butt joint with the conical cylinder 1, jacking the sealing piece 7, and completing the installation of the slag collecting chamber 2, and enabling the bottom of the conical cylinder 1 to be in a communicated state again. So, when the residue of clearance collection sediment room 2, can effectively avoid a toper section of thick bamboo 1 and external intercommunication to prevent that the natural gas from escaping or the outside air from getting into a toper section of thick bamboo 1.

In one embodiment disclosed herein, the slag trap chamber 2 includes a guide section 8 coaxial with the conical drum 1, and a settling section 9 extending vertically downward.

In one embodiment disclosed herein, a first seal is provided between the two annular ribs 5. It should be appreciated that the first seal is typically an elastomeric rubber ring.

In one embodiment disclosed in the present application, the exhaust pipe 4 is provided with a connecting disc 10 surrounding the outer wall thereof, and the top plate of the conical cylinder 1 is provided with an outer edge extending out of the outer peripheral wall of the conical cylinder 1 and fixedly connected with the connecting disc 10 through a bolt penetrating through the outer edge.

In one embodiment disclosed in the present application, a second seal is provided between the connecting disc 10 and the top plate of the cone-shaped cylinder 1. It will be appreciated that the second seal is typically an elastomeric rubber ring.

In one embodiment disclosed in the present application, a flow guide cover 11 surrounding the exhaust pipe 4 is disposed at the bottom of the connecting disc 10, and a through hole for the exhaust pipe 4 to pass through is disposed at the bottom of the flow guide cover 11; the space between the outer wall of the drainage cover 11 and the inner wall of the conical cylinder 1 forms a flow guide channel, and the extending direction of the air inlet pipe 3 is tangent to the flow guide channel. It will be appreciated that by providing the draft shield 11, the natural gas can be better directed to flow spirally down the inner peripheral wall of the conical cylinder 1.

Further, the lower surface of the connecting disc 10 is provided with a threaded interface and is in threaded connection with the drainage cover 11.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that changes and modifications may be made to these embodiments without departing from the principles and spirit of the invention, and these changes and modifications are intended to fall within the scope of the invention.

Claims

1. A natural gas filtration device, comprising:

a tapered barrel (1) with a large upper part and a small lower part; and

a slag collecting chamber (2) communicated with the bottom of the conical cylinder (1); and

an air inlet pipe (3) is arranged on the upper part of the left wall of the conical barrel (1) in a penetrating way; and

the exhaust pipe (4) penetrates through the center of the top plate of the conical cylinder (1);

the bottom of the conical cylinder (1) and the top of the slag collecting chamber (2) are respectively provided with an annular ridge (5) surrounding the outer wall, and the conical cylinder and the slag collecting chamber are fixedly connected through bolts penetrating through the annular ridge (5);

the air inlet pipe (3) horizontally extends from left to right and faces a space between the inner wall of the conical cylinder (1) and the exhaust pipe (4);

the conical cylinder (1) inclines towards the right from top to bottom, and the exhaust pipe (4) is coaxial with the conical cylinder (1).

2. The natural gas filtration device of claim 1, wherein: a push rod (6) is arranged in the slag collecting chamber (2), and the push rod (6) is coaxial with the conical barrel (1); the top of the ejector rod (6) is in threaded connection with a sealing piece (7); the upper section of the sealing piece (7) is hemispherical, the lower section of the sealing piece is in a circular truncated cone shape with a large upper part and a small lower part, and the surface of the sealing piece is coated with an elastic layer; when the slag collecting chamber (2) is detached from the conical cylinder (1), the sealing piece (7) seals the bottom of the conical cylinder (1).

3. The natural gas filtration device of claim 1, wherein: the slag collecting chamber (2) comprises a guide section (8) coaxial with the conical barrel (1) and a settling section (9) extending vertically downwards.

4. The natural gas filtration device of claim 1, wherein: a first sealing element is arranged between the two annular edges (5).

5. The natural gas filtration device according to any one of claims 1 to 4, wherein: the exhaust pipe (4) is provided with a connecting disc (10) surrounding the outer wall of the exhaust pipe, the top plate of the conical cylinder (1) is provided with an outer edge extending out of the outer peripheral wall of the conical cylinder (1), and the top plate is fixedly connected with the connecting disc (10) through bolts penetrating through the outer edge.

6. The natural gas filtration device of claim 5, wherein: and a second sealing element is arranged between the connecting disc (10) and the top plate of the conical cylinder (1).

7. The natural gas filtration device of claim 5, wherein: a drainage cover (11) surrounding the exhaust pipe (4) is arranged at the bottom of the connecting disc (10), and a through hole for the exhaust pipe (4) to penetrate through is formed in the bottom of the drainage cover (11); the space between the outer wall of the drainage cover (11) and the inner wall of the conical cylinder (1) forms a flow guide channel, and the extending direction of the air inlet pipe (3) is tangent to the flow guide channel.

8. The natural gas filtration device of claim 7, wherein: the lower surface of the connecting disc (10) is provided with a threaded interface and is in threaded connection with the drainage cover (11).