CN211215927U

CN211215927U - Oxygen filter

Info

Publication number: CN211215927U
Application number: CN201921645360.1U
Authority: CN
Inventors: 惠福明
Original assignee: WUXI XIXI CHEMICAL MACHINE FITTINGS WORKS CO Ltd
Current assignee: WUXI XIXI CHEMICAL MACHINE FITTINGS WORKS CO Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-08-11
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to an oxygen filter; the method is characterized in that: the device comprises a first shell, a second shell, a cone, a filter screen and a bracket group for supporting the filter screen; the first shell is communicated with the second shell; the filter screen is arranged in the first shell; the cone is arranged at one end of the filter screen far away from the second shell. The problem of the filter screen that current scheme caused cause easily arouse to break and influence oxygen filter's work efficiency, need pull down oxygen filter and wash the filter screen again and the junction of casing takes place easily to leak etc is solved.

Description

Oxygen filter

Technical Field

The utility model relates to a filter, concretely relates to oxygen filter.

Background

An oxygen filter is an indispensable device on the transport medium pipeline. Oxygen filters are typically installed at the inlet end of pressure relief valves, level valves or other equipment. The oxygen filter is used for intercepting gas impurities in the medium and fine particles in the pipeline so as to protect the normal use of the valve and equipment. When the medium passes through the filter screen, impurities in the medium are blocked, and filtering is finished. After the oxygen filter works for a long time, a large amount of impurities are generated on the filter screen. The entire oxygen filter is typically removed and the filter mesh removed for cleaning. Meanwhile, the filter screen in the existing oxygen filter is impacted by oxygen for a long time, and the filter screen is easy to crack. How to solve these problems becomes crucial.

According to the existing scheme, a filter screen is arranged in a shell, and the shell is connected with an air inlet and an air outlet respectively. Such a solution has the following problems: (1) the filter screen is impacted by oxygen, the filter screen is easy to crack, and the working efficiency of the oxygen filter is influenced; (2) the oxygen filter needs to be detached and then the filter screen needs to be cleaned, which wastes time and labor; (3) the oxygen filter works for a long time, and the joint of the shell is easy to leak.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an oxygen filter to solve among the prior art filter screen and arouse easily that to break and influence oxygen filter's work efficiency, need pull down oxygen filter again and rinse the junction of casing and take place easily to leak the scheduling problem.

The utility model discloses the technical scheme who adopts as follows:

an oxygen filter;

the device comprises a first shell, a second shell, a cone, a filter screen and a bracket group for supporting the filter screen; the first shell is communicated with the second shell; the filter screen is arranged in the first shell; the cone is arranged at one end of the filter screen far away from the second shell.

The further technical scheme is as follows: and the oxygen filter is provided with lifting blocks in parallel.

The further technical scheme is as follows: and the first shell is provided with a drain outlet for draining liquid.

The further technical scheme is as follows: a first flange is arranged at one end of the first shell, which is close to the second shell; a second flange is arranged at one end, close to the first shell, of the second shell; the first flange is connected with the second flange through a screw; and the screw rod is provided with a nut.

The further technical scheme is as follows: a gasket is arranged between the first shell and the second shell.

The further technical scheme is as follows: the filter screen is a nickel-copper wedge-shaped screen.

The further technical scheme is as follows: one end of the cone body, which is far away from the filter screen, is arc-shaped.

The further technical scheme is as follows: the bracket group comprises a hollow bracket and a sealing bracket; the hollow bracket supports one end of the filter screen close to the vertebral body; the sealing support supports one end of the filter screen far away from the vertebral body.

The utility model has the advantages as follows: the utility model discloses an oxygen filter adopts the centrum to shunt oxygen, has avoided breaking of filter screen. The first shell and the second shell are arranged, so that the filter screen is convenient to disassemble. The oxygen filter brings the following effects: (1) the filtering net is provided with the cone, so that the filtering net cannot be impacted by oxygen, and the working efficiency of the oxygen filter is improved; (2) a gasket is arranged between the first shell and the second shell, so that leakage between the first shell and the second shell is avoided; (3) the first shell and the second shell are arranged, so that the filter screen can be cleaned without integrally dismounting the oxygen filter; (4) a drain outlet is arranged to quickly drain liquid accumulated in the first shell; (5) the lifting block is arranged, so that the oxygen filter can be moved conveniently.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a first housing; 11. a first flange; 12. a second flange; 13. a screw; 14. a nut; 15. a third flange; 16. a fourth flange; 2. a second housing; 3. a vertebral body; 4. filtering with a screen; 5. a bracket set; 51. a hollow support; 52. sealing the bracket; 6. a hanging block; 7. a drain port; 71. a drain conduit; 8. a gasket.

Detailed Description

The following describes a specific embodiment of the present embodiment with reference to the drawings.

Fig. 1 is a schematic structural diagram of the present invention. As shown in the figure 1, the utility model discloses an oxygen filter. The direction of X in the figure does the utility model discloses structure schematic's upper end, the direction of Y in the figure does the utility model discloses structure schematic's right-hand member. The oxygen filter comprises a first shell 1, a second shell 2, a cone 3, a screen 4 and a bracket set 5 supporting the screen 4.

The first casing 1 communicates with the second casing 2. A sieve 4 is placed in the first housing 1. The cone 3 is mounted on the end of the sieve 4 remote from the second housing 2.

The first casing 1 is horizontally disposed in the left-right direction. The first housing 1 has a left-right through structure. Oxygen enters the first casing 1 from the right end of the first casing 1. A third flange 15 is mounted to the right end of the first housing 1. The right end of the first housing 1 is connected to an intake duct. The right end of the first housing 1 is connected to an intake duct via a third flange 15.

The tightness of the connection of the first housing 1 to the inlet line is ensured by the third flange 15. No leakage of oxygen from the inlet duct into the first housing 1 occurs.

Preferably, the screen 4 is a nickel-copper wedge screen. The sieve 4 is placed horizontally inside the first housing 1. The filter screen 4 is horizontally arranged in the left-right direction. Preferably, the sieve 4 is cylindrical. The nickel-copper wedge-shaped net can improve the use strength of the filter screen 4 and improve the use efficiency of the oxygen filter.

The right end of the filter screen 4 is provided with a cone 3. Preferably, the cone 3 is conical. The left end of the cone 3 is connected with the right end of the filter screen 4.

The end of the cone 3 far away from the filter screen 4 is arc-shaped. The right end of the vertebral body 3 is arranged in a circular arc shape. Oxygen enters the first shell 1 and gathers outside the filter screen 4 through the diversion of the cone 3. The oxygen outside the filter screen 4 enters the filter screen 4 after being filtered by the filter screen 4.

The right end of the vertebral body 3 is arc-shaped, so that the vertebral body 3 can conveniently shunt oxygen. The left end of the cone 3 is connected with the right end of the filter screen 4.

The holder set 5 includes a hollow holder 51 and a sealing holder 52. The hollow support 51 supports the end of the sieve 4 close to the vertebral body 3. The sealing support 52 supports the end of the filter screen 4 remote from the cone 3.

The bracket set 5 is fixedly arranged in the first shell 1. The hollow bracket 51 is mounted on the right end of the inner surface of the first housing 1. The outer end of the hollow bracket 51 is connected to the inner surface of the first housing 1. The inner end of the hollow bracket 51 supports the right end of the filter screen 4. The hollow holder 51 has a hollow structure. The diverted oxygen gas is collected on the outside of the sieve 4 through the hollow holder 51.

The sealing bracket 52 is mounted to the left end of the inner surface of the first housing 1. The outer end of the sealing bracket 52 is attached to the inner surface of the first housing 1. The inner end of the sealing bracket 52 supports the left end of the screen 4. The sealing holder 52 is of a closed structure. Oxygen gas accumulated on the outside of the screen 4 cannot enter the second housing 2 through the seal holder 52.

The bracket group 5 plays a supporting role for the filter screen 4. When it is desired to clean the sieve 4, the sieve 4 and the cone 3 are removed from the left end of the first housing 1. After the filter screen 4 is cleaned, the filter screen 4 and the cone 3 are inserted from the left end of the first housing 1. The sieve 4 and the cone 3 pass through the hollow bracket 51 and the sealing bracket 52, respectively.

The first casing 1 is provided with a drain opening 7 for draining liquid.

The drain port 7 is provided at the lower end of the first casing 1. The drain opening 7 is provided with a drain duct 71. The drain pipe 71 is vertically installed. The drain duct 71 communicates with the first housing 1. The upper end of the drain pipe 71 is connected to the lower end of the first housing 1.

After the oxygen filter works for a long time, liquid is accumulated in the first housing 1. In order to avoid long-term accumulation of liquid in the first housing 1 affecting the operation of the oxygen filter. The liquid in the first housing 1 can be rapidly discharged through the drain pipe 71.

The oxygen filter is provided with lifting blocks 6 in parallel.

Preferably, the lifting block 6 is plural. The lifting blocks 6 are respectively provided at the upper end of the first casing 1 and the upper end of the second casing 2. The hoisting blocks 6 are respectively arranged at the upper end of the outer surface of the first shell 1 and the upper end of the outer surface of the second shell 2.

The oxygen filter is very inconvenient to assemble and disassemble, and a lifting block 6 is arranged on the oxygen filter. The oxygen filter can be conveniently moved by buckling the hoisting block 6 by the hoisting device.

The second housing 2 is disposed at the left end of the first housing 1. The right end of the second casing 2 is connected to the left end of the first casing 1.

A first flange 11 is provided at an end of the first housing 1 adjacent to the second housing 2. A second flange 12 is provided at one end of the second housing 2 adjacent to the first housing 1. The first flange 11 and the second flange 12 are connected by a screw 13. The screw 13 is provided with a nut 14.

The first flange 11 is disposed at the left end of the first housing 1. The first flange 11 is provided at the left end of the outer surface of the first housing 1. The inner surface of the first flange 11 abuts the outer surface of the first housing 1. The second flange 12 is provided at the right end of the second housing 2. The second flange 12 is provided at the right end of the outer surface of the second housing 2. The inner surface of the second flange 12 abuts the outer surface of the second housing 2.

The screws 13 pass through the first flange 11 and the second flange 12, respectively. Nuts 14 are provided at the left and right ends of the screw 13, respectively. When the nut 14 is tightened, the nut 14 creates a compressive force on the first flange 11 and the second flange 12, respectively. So that the first housing 1 and the second housing 2 can be firmly coupled.

A gasket 8 is provided between the first housing 1 and the second housing 2.

The right end of the gasket 8 is connected to the left end of the first housing 1. The left end of the gasket 8 is connected to the right end of the second housing 2. Preferably, the gasket 8 is a rubber gasket.

The right surface of the gasket 8 is in abutment with the left surface of the first housing 1. The left surface of the gasket 8 is in abutment with the right surface of the second housing 2. The gasket 8 ensures the tightness of the connection between the first housing 1 and the second housing 2. The filtered oxygen does not leak when entering the second housing 2.

The second housing 2 is horizontally disposed in the left-right direction. The first housing 1 has a left-right through structure. The filtered oxygen enters the second casing 2 from the right end of the second casing 2. A fourth flange 16 is mounted to the left end of the second housing 2. The left end of the second shell 2 is connected with an air outlet pipeline. The left end of the second housing 2 is connected to the outlet pipe via a fourth flange 16.

The tightness of the connection of the second housing 2 to the outlet pipe is ensured by the fourth flange 16. The filtered oxygen can not leak from the second shell 2 into the air outlet pipeline.

Oxygen in the intake duct enters the first casing 1 from the right end of the first casing 1. Oxygen is shunted through the cone 3 and accumulates outside the screen 4. The oxygen is filtered by the filter screen 4, and the filtered oxygen enters the filter screen 4. The filtered oxygen enters the second shell 2 and is discharged through the air outlet pipeline.

In the present embodiment, the screen 4 is described as a nickel-copper wedge screen, but the screen is not limited thereto, and may be another screen within a range capable of performing its function.

In the present embodiment, the gasket 8 is described as a rubber gasket, but the gasket is not limited thereto, and may be another gasket within a range capable of functioning.

In the present specification, terms such as "cylindrical" and "conical" are used, and they are not exactly "cylindrical" and "conical", and may be in a state of "substantially cylindrical" and "substantially conical" within a range capable of performing the functions thereof.

In the present specification, the number of the "plural" or the like is used, but the present invention is not limited thereto, and other numbers may be used within a range where the function thereof can be exerted.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.

Claims

1. An oxygen filter, characterized by: comprises a first shell (1), a second shell (2), a cone (3), a filter screen (4) and a bracket group (5) for supporting the filter screen (4); the first shell (1) is communicated with the second shell (2); the filter screen (4) is arranged in the first shell (1); the cone body (3) is arranged at one end, far away from the second shell (2), of the filter screen (4).

2. The oxygen filter of claim 1, wherein: the oxygen filter is provided with lifting blocks (6) in parallel.

3. The oxygen filter of claim 1, wherein: the first shell (1) is provided with a drain outlet (7) for draining liquid.

4. The oxygen filter of claim 1, wherein: a first flange (11) is arranged at one end of the first shell (1) close to the second shell (2); a second flange (12) is arranged at one end of the second shell (2) close to the first shell (1); the first flange (11) is connected with the second flange (12) through a screw (13); the screw (13) is provided with a nut (14).

5. The oxygen filter of claim 1, wherein: a gasket (8) is arranged between the first shell (1) and the second shell (2).

6. The oxygen filter of claim 1, wherein: the filter screen (4) is a nickel-copper wedge-shaped screen.

7. The oxygen filter of claim 1, wherein: one end of the cone body (3) far away from the filter screen (4) is arc-shaped.

8. The oxygen filter of claim 1, wherein: the bracket group (5) comprises a hollow bracket (51) and a sealing bracket (52); the hollow bracket (51) supports one end of the filter screen (4) close to the vertebral body (3); the sealing bracket (52) supports one end of the filter screen (4) far away from the vertebral body (3).