Self-cleaning gas filter

By introducing a slag-collection cone bucket and cleaning mechanism into the gas filter, the problem of inconvenience of emissions and unstable rotation of the filter cartridge when cleaning impurities is solved, and convenient cleaning of impurities and stable rotation of the filter cartridge is achieved.

CN222854935UActive Publication Date: 2025-05-13ZHEJIANG DEXIANG INTELLIGENT INSTRUMENT CO LTD
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Patent Information

Application Number
CN202421695689.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-17
Publication Date
2025-05-13
Estimated Expiration
2034-07-17

AI Technical Summary

Technical Problem

The existing self-cleaning gas filters are inconvenient to discharge when cleaning impurities, and need to disassemble the equipment for cleaning. The filter cartridge is very friction and has poor stability when rotating.

Method used

A gas filter including a slag-cone bucket and a cleaning mechanism is designed. The slag-cone bucket is used to concentrate on cleaning impurities and discharge them through drainage; the cleaning mechanism reduces the friction between the filter cartridge and the top plate through the cooperation of the top plate and the ball, and increases the stability of the rotation of the filter cartridge.

Benefits of technology

It realizes centralized cleaning and convenient emission of impurities, avoids cleaning after disassembly of equipment, and improves the stability of the filter cartridge rotation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222854935U_ABST
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Abstract

The utility model discloses a self-cleaning gas filter and relates to the technical field of gas filters. The gas filter comprises a mounting cylinder, a gas inlet pipe and a gas outlet pipe are fixedly connected to the two sides of the mounting cylinder respectively, the gas outlet pipe is in an L shape, a cylindrical filter cylinder for filtering gas is mounted at the top of the gas outlet pipe, and the filter cylinder is located in the mounting cylinder; a slag collecting conical hopper is fixedly connected to the circumferential inner wall of the mounting cylinder, a communicated blow-off pipe is fixedly connected to the bottom of the slag collecting conical hopper, and the other end of the blow-off pipe penetrates through the mounting cylinder and is provided with a control valve. According to the utility model, cleaned impurities can be concentrated through the residue collecting conical hopper, so that the impurities are discharged along with water drainage, the use is convenient, cleaning after equipment disassembly is avoided, the filter cartridge can be limited through the top plate in the rotating process of the filter cartridge, and the friction between the filter cartridge and the top plate is reduced through the cooperation with the balls, so that the filter cartridge is more stable. The rotating stability of the filter cartridge is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of fuel gas filters, in particular to a self-cleaning fuel gas filter. Background Art

[0002] Gas filter is an indispensable device on the pipeline for conveying medium. It is usually installed at the inlet of pressure reducing valve, pressure relief valve, positioning valve or other equipment to remove impurities in the medium to protect the normal use of valves and equipment. It is widely used in metallurgy, chemical industry, petroleum, papermaking, medicine, food, mining, electricity, city, family and other gas fields.

[0003] After searching, a self-cleaning gas filter disclosed in publication number CN219663200U includes a filter with a mounting groove on the top. Although the above device can achieve self-cleaning during use, it is not convenient to discharge impurities. Therefore, a self-cleaning gas filter is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a self-cleaning gas filter, which can collect the swept impurities through the slag collecting cone bucket so that they can be discharged together with the water. It is easy to use and avoids disassembling the equipment for cleaning. At the same time, during the rotation of the filter cartridge, the filter cartridge can be limited by the top plate, and the friction between the filter cartridge and the top plate can be reduced by cooperating with the ball bearing, thereby increasing the stability of the filter cartridge rotation and solving the existing technical problems.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] A self-cleaning gas filter comprises: a mounting cylinder, an air inlet pipe and an air outlet pipe are fixedly connected to the two sides of the mounting cylinder respectively, the air outlet pipe is L-shaped, a cylindrical filter cylinder for filtering gas is installed on the top of the air outlet pipe, and the filter cylinder is located in the mounting cylinder;

[0007] The circumferential inner wall of the mounting cylinder is fixedly connected with a slag collecting cone bucket, the bottom of the slag collecting cone bucket is fixedly connected with a connected sewage pipe, the other end of the sewage pipe passes through the mounting cylinder and is installed with a control valve, a motor is installed at the bottom of the mounting cylinder, one end of the motor output shaft rotates through the mounting cylinder and is fixedly connected with a driving shaft, the circumference of the driving shaft is fixedly connected with a blade for cleaning the inner wall of the slag collecting cone bucket, by installing the slag collecting cone bucket in the mounting cylinder, the impurities swept down can be concentrated by the slag collecting cone bucket, so that they are discharged together with the water when draining, which is convenient to use and avoids the need to disassemble the equipment for cleaning;

[0008] A cleaning mechanism is provided in the installation cylinder to clean the filter cylinder.

[0009] As a further solution of the utility model, the cleaning mechanism includes a fixed ring, which is fixedly connected to the top of the air outlet pipe. The surface of the fixed ring is rotatably connected to a rotating seat. The filter cartridge is located above the rotating seat. The surface of the fixed ring is fixedly connected to two columns. The side of the column close to the filter cartridge is fixedly connected to a brush plate, and the brush plate is used to clean the filter cartridge.

[0010] As a further solution of the utility model, a top plate is provided on the top of the fixing ring, and a plurality of penetrating connecting rods are provided between the top plate and the fixing ring, and nuts are threadedly connected to both ends of the connecting rods. A plurality of fixing seats are fixedly connected to the top of the filter cartridge, and balls are rotatably connected in the fixing seats. By installing the balls and the top plate on the top of the filter cartridge, the filter cartridge can be limited by the top plate during the rotation of the filter cartridge, and at the same time, the friction between the filter cartridge and the top plate can be reduced in cooperation with the balls, thereby increasing the stability of the rotation of the filter cartridge.

[0011] As a further solution of the utility model, a blind plate is fixedly connected to the top of the mounting tube by bolts.

[0012] As a further solution of the utility model, a U-shaped bracket is fixedly connected between the air inlet pipe and the air outlet pipe, and the motor is installed above the bracket.

[0013] As a further solution of the utility model, the tops of the air inlet pipe and the air outlet pipe are fixedly connected with connecting pipes.

[0014] In the present application, when in use, the gas enters the installation cylinder through the air inlet pipe, and then is discharged through the air outlet pipe after being filtered by the filter cylinder. The impurities in the gas are filtered on the outer wall of the filter cylinder. When the filter cylinder needs to be cleaned, the motor is started, and the motor drives the drive shaft to rotate, and the drive shaft drives the filter cylinder to rotate. The outer wall of the filter cylinder contacts the brush plate, and then the impurities on the outer wall of the filter cylinder are cleaned by the brush plate. The cleaned impurities fall on the slag collecting cone bucket, and the blades are driven to rotate while the drive shaft rotates. The blades are arranged in an arc shape, and the impurities on the slag collecting cone bucket are pushed into the sewage pipe at the bottom. When discharge is required, the control valve on the sewage pipe is opened, so that the impurities can be discharged together with the accumulated water.

[0015] The embodiments of the present invention have the following beneficial effects:

[0016] In the utility model, by installing a slag collecting cone bucket in the installation cylinder, the impurities swept down can be collected by the slag collecting cone bucket, so that they are discharged together with the water when draining, which is convenient to use and avoids the need to disassemble the equipment for cleaning;

[0017] In the utility model, by installing the ball bearings and the top plate on the top of the filter cartridge, the top plate can limit the filter cartridge during the rotation of the filter cartridge, and the friction between the filter cartridge and the top plate can be reduced in cooperation with the ball bearings, thereby increasing the stability of the filter cartridge rotation.

[0018] In the utility model, the swept impurities can be collected by the slag collecting cone bucket, so that they can be discharged together with the water. It is easy to use and avoids disassembling the equipment for cleaning. At the same time, during the rotation of the filter cartridge, the filter cartridge can be limited by the top plate, and the friction between the filter cartridge and the top plate can be reduced in cooperation with the ball bearing, thereby increasing the stability of the filter cartridge rotation.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 This is a schematic diagram of a three-dimensional structure of an embodiment of the utility model;

[0022] Figure 2 This is a schematic cross-sectional view of an embodiment of the utility model;

[0023] Figure 3 It is a partial cross-sectional exploded structural schematic diagram of an embodiment of the utility model.

[0024] In the figure: 1. installation cylinder; 2. air inlet pipe; 3. air outlet pipe; 4. blind plate; 5. bracket; 6. motor; 7. slag collecting cone bucket; 8. sewage pipe; 9. control valve; 10. blade; 11. drive shaft; 12. fixing ring; 13. rotating seat; 14. filter cylinder; 15. column; 16. brush plate; 17. connecting rod; 18. top plate; 19. fixing seat; 20. ball bearing. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be understood that the terms "opening", "upper", "middle", "length", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and known components.

[0028] Embodiment 1

[0029] See also Figure 1-Figure 3 As shown, in this embodiment, a self-cleaning gas filter is provided, comprising: a mounting cylinder 1, an air inlet pipe 2 and an air outlet pipe 3 are fixedly connected to both sides of the mounting cylinder 1, the air outlet pipe 3 is L-shaped, a cylindrical filter cylinder 14 for filtering gas is installed on the top of the air outlet pipe 3, and the filter cylinder 14 is located in the mounting cylinder 1;

[0030] A slag collecting cone bucket 7 is fixedly connected to the circumferential inner wall of the mounting cylinder 1, and a connected sewage pipe 8 is fixedly connected to the bottom of the slag collecting cone bucket 7. The slag collecting cone bucket 7 can collect the fallen impurities, and then conveniently discharge them through the sewage pipe 8, avoiding the need to dismantle the equipment for cleaning. The other end of the sewage pipe 8 passes through the mounting cylinder 1 and is installed with a control valve 9. A motor 6 is installed at the bottom of the mounting cylinder 1. One end of the output shaft of the motor 6 rotates through the mounting cylinder 1 and is fixedly connected with a driving shaft 11. The circumference of the driving shaft 11 is fixedly connected with a blade 10 for cleaning the inner wall of the slag collecting cone bucket 7. The rotation of the driving shaft 11 drives the blade 10 to rotate. The blade 10 is arranged in an arc shape, thereby pushing the impurities on the slag collecting cone bucket 7 into the sewage pipe 8 at the bottom;

[0031] A cleaning mechanism is provided in the installation cylinder 1 to clean the filter cylinder 14 .

[0032] Embodiment 2

[0033] Improvements based on Example 1:

[0034] Reference Figure 2 and Figure 3 The cleaning mechanism includes a fixed ring 12, which is fixedly connected to the top of the air outlet pipe 3. The surface of the fixed ring 12 is rotatably connected to a rotating seat 13. The filter cartridge 14 is located above the rotating seat 13. The surface of the fixed ring 12 is fixedly connected to two columns 15. The columns 15 are fixedly connected to a brush plate 16 on one side close to the filter cartridge 14. The motor 6 is started, and the motor 6 drives the drive shaft 11 to rotate. The drive shaft 11 drives the filter cartridge 14 to rotate. The outer wall of the filter cartridge 14 contacts the brush plate 16, and then the impurities on the outer wall of the filter cartridge 14 are cleaned by the brush plate 16.

[0035] Reference Figure 3 A top plate 18 is provided on the top of the fixing ring 12, and a plurality of penetrating connecting rods 17 are provided between the top plate 18 and the fixing ring 12. Nuts are threadedly connected to both ends of the connecting rods 17. A plurality of fixing seats 19 are fixedly connected to the top of the filter cartridge 14, and balls 20 are rotatably connected in the fixing seats 19. During the rotation of the filter cartridge 14, the top plate 18 can limit the filter cartridge 14, and at the same time, cooperate with the balls 20 to reduce the friction between the filter cartridge 14 and the top plate 18, thereby increasing the rotation stability of the filter cartridge 14.

[0036] Reference Figure 1 The top of the installation tube 1 is fixedly connected with a blind plate 4 by bolts. The blind plate 4 is used to seal the top of the installation tube 1. A sealing gasket is provided between the blind plate 4 and the installation tube 1.

[0037] Reference Figure 1 A U-shaped bracket 5 is fixedly connected between the air inlet pipe 2 and the air outlet pipe 3 , and the motor 6 is installed above the bracket 5 . The bracket 5 is used to support the installation tube 1 .

[0038] Reference Figure 1 The tops of the air inlet pipe 2 and the air outlet pipe 3 are fixedly connected with connecting pipes, and the connecting pipes are used to install pressure gauges.

[0039] It should be noted that, in the description of this specification, descriptions such as "first", "second", etc. are merely used to distinguish between various features and have no actual order or directional meaning, and this application is not limited to this.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A self-cleaning gas filter, characterized in that: include: A mounting cylinder (1), wherein an air inlet pipe (2) and an air outlet pipe (3) are fixedly connected to both sides of the mounting cylinder (1), the air outlet pipe (3) is L-shaped, and a cylindrical filter cylinder (14) for filtering fuel gas is installed on the top of the air outlet pipe (3), and the filter cylinder (14) is located inside the mounting cylinder (1); The circumferential inner wall of the mounting cylinder (1) is fixedly connected to a slag collecting cone bucket (7), the bottom of the slag collecting cone bucket (7) is fixedly connected to a connected sewage pipe (8), the other end of the sewage pipe (8) passes through the mounting cylinder (1) and is installed with a control valve (9), a motor (6) is installed at the bottom of the mounting cylinder (1), one end of the output shaft of the motor (6) rotates through the mounting cylinder (1) and is fixedly connected to a driving shaft (11), and a blade (10) for cleaning the inner wall of the slag collecting cone bucket (7) is fixedly connected to the circumference of the driving shaft (11); A cleaning mechanism is provided in the installation cylinder (1) to clean the filter cylinder (14).

2. A self-cleaning gas filter as claimed in claim 1, characterized in that: The cleaning mechanism comprises a fixed ring (12), the fixed ring (12) is fixedly connected to the top of the air outlet pipe (3), the surface of the fixed ring (12) is rotatably connected to a rotating seat (13), the filter cartridge (14) is located above the rotating seat (13), the surface of the fixed ring (12) is fixedly connected to two columns (15), and the columns (15) are fixedly connected to a brush plate (16) on one side close to the filter cartridge (14).

3. A self-cleaning gas filter as claimed in claim 2, characterized in that: A top plate (18) is provided on the top of the fixing ring (12), a plurality of connecting rods (17) are provided between the top plate (18) and the fixing ring (12), both ends of the connecting rods (17) are threadedly connected with nuts, and a plurality of fixing seats (19) are fixedly connected to the top of the filter cartridge (14), and balls (20) are rotatably connected in the fixing seats (19).

4. A self-cleaning gas filter according to any one of claims 1 to 3, characterized in that: The top of the installation cylinder (1) is fixedly connected with a blind plate (4) via bolts.

5. A self-cleaning gas filter as claimed in claim 1, characterized in that: A U-shaped bracket (5) is fixedly connected between the air inlet pipe (2) and the air outlet pipe (3), and the motor (6) is installed above the bracket (5).

6. A self-cleaning gas filter according to any one of claims 1 to 3, characterized in that: The tops of the air inlet pipe (2) and the air outlet pipe (3) are both fixedly connected with connecting pipes.

Citation Information

Patent Citations

  • Self-cleaning gas filter

    CN219663200U