Filtering device with filter screen cleaning structure

Abstract

The utility model discloses a filter device with a filter screen cleaning structure, which comprises a filter shell, smoke waste gas enters the filter shell through a gas inlet pipe, filtered gas is discharged through a gas outlet pipe, the smoke waste gas is filtered through a filter screen, and dust adhered to the filter screen can be vibrated off through a vibrator, so that the filter device is convenient to clean. A vibrator can be always pressed on a filter screen through a spring in a positioning sleeve, an external dust collector is connected through a dust suction unit, so that dust vibrated off from the filter screen is discharged, the filter screen is convenient to disassemble and assemble through a clamping mode of an annular bearing table and a pressing ring, and a detachable lower cover is arranged, so that the filter screen can be conveniently disassembled and assembled. The interior of the filter shell can be cleaned conveniently, the upper cover can be moved conveniently through the handle, the dust suction end of an external dust collector is connected through the dust collector communicating pipe, dust falling on the filter screen through vibration is sucked through the dust suction ring, and the dust collector communicating pipe is opened and closed through the valve.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering devices, in particular to a filtering device with a filter screen cleaning structure. Background Technique

[0002] In the production of some factories, gases containing dust and impurities, namely soot waste gas, are generated. In order not to pollute the environment, these soot waste gases need to be filtered by a filtering device and then discharged into the atmosphere. There is a filter screen in the filtering device to adsorb and filter the dust and impurities in the soot waste gas.

[0003] The filter screen used for a long time will be blocked by dust and impurities, resulting in poor filtration. At present, in order to ensure the filtration stability of the filter screen, it is usually installed between the smoke exhaust pipes, and the disassembly and cleaning are very troublesome. Therefore, a filtering device with a filter screen cleaning structure is needed to solve the above problems. Summary of the Utility Model

[0004] In view of the problems existing in the prior art, the utility model discloses a filtering device with a filter screen cleaning structure. The technical scheme adopted is as follows: it includes a filtering outer shell, the filtering outer shell is a cylindrical structure with a hollow interior and an upper opening, an air inlet pipe is arranged at the lower left end of the filtering outer shell, and an air outlet pipe is arranged at the upper right end of the filtering outer shell; a filter screen is arranged inside the filtering outer shell, and the filter screen separates the air inlet pipe and the air outlet pipe; the upper end of the filtering outer shell is provided with an upper cover through bolts, the upper cover completely closes the upper opening of the filtering outer shell, a positioning sleeve is arranged at the center of the lower surface of the upper cover, a spring is arranged inside the positioning sleeve, a vibrator is arranged inside the positioning sleeve, and the vibrator is pressed against the upper surface of the filter screen by the spring inside the positioning sleeve; a dust extraction unit is arranged inside the filtering outer shell, the dust extraction unit is located between the filter screen and the air inlet pipe, the soot waste gas enters the inside of the filtering outer shell through the air inlet pipe, the filtered gas is discharged through the air outlet pipe, the soot waste gas is filtered through the filter screen, the dust adhered to the filter screen can be shaken off by the vibrator, the vibrator can be always pressed on the filter screen by the spring inside the positioning sleeve, and the dust extraction unit is connected to an external vacuum cleaner to discharge the dust shaken off from the filter screen.

[0005] As a preferred technical scheme of the filtering device with a filter screen cleaning structure of the utility model, a ring-shaped bearing platform is arranged inside the filtering outer shell, a pressing ring is arranged below the upper cover through a bracket, and the filter screen is clamped between the ring-shaped bearing platform and the pressing ring. By the clamping method of the ring-shaped bearing platform and the pressing ring, it is convenient to disassemble and install the filter screen.

[0006] As a preferred technical solution of the filtering device with a filter screen cleaning structure of the present utility model, the lower end of the filter housing is a lower cover installed by bolts. With the detachable lower cover, it is convenient to clean the interior of the filter housing.

[0007] As a preferred technical solution of the filtering device with a filter screen cleaning structure of the present utility model, a handle is provided on the upper surface of the upper cover, which facilitates the movement of the upper cover through the handle.

[0008] As a preferred technical solution of the filtering device with a filter screen cleaning structure of the present utility model, the dust extraction unit includes a dust extraction ring, a vacuum cleaner connecting pipe, and a valve. The inner side of the dust extraction ring is open. The dust extraction ring is arranged on the inner side wall of the filter housing and is located below the annular bearing platform. The inner end of the vacuum cleaner connecting pipe is connected to the dust extraction ring, and the outer end of the vacuum cleaner connecting pipe extends out of the filter housing. The valve is arranged on the vacuum cleaner connecting pipe. The inlet of an external vacuum cleaner is connected through the vacuum cleaner connecting pipe. Dust shaken off from the filter screen is sucked in through the dust extraction ring, and the vacuum cleaner connecting pipe is opened and closed through the valve.

[0009] As a preferred technical solution of the filtering device with a filter screen cleaning structure of the present utility model, the filter screen includes a filter element and a bearing frame. The filter element is located inside the bearing frame. The bearing frame is clamped by the annular bearing platform and the pressing ring. The vibrator contacts the filter element, and the filter element is supported by the bearing frame.

[0010] The beneficial effects of the present utility model: In the present utility model, soot and waste gas enter the interior of the filter housing through the intake pipe, the filtered gas is discharged through the outlet pipe, the soot and waste gas are filtered through the filter screen, the dust adhered to the filter screen can be shaken off by the vibrator, the vibrator can be always pressed on the filter screen by the spring inside the positioning sleeve, an external vacuum cleaner is connected through the dust extraction unit, so as to discharge the dust shaken off from the filter screen. The filter screen is convenient to disassemble and install by the clamping method of the annular bearing platform and the pressing ring. The interior of the filter housing can be easily cleaned through the detachable lower cover. The upper cover is convenient to move through the handle. The dust extraction end of an external vacuum cleaner is connected through the vacuum cleaner connecting pipe. Dust shaken off from the filter screen is sucked in through the dust extraction ring, the vacuum cleaner connecting pipe is opened and closed through the valve, and the filter element is supported by the bearing frame. Description of the Drawings

[0011] Figure 1 It is a schematic structural diagram of the present utility model;

[0012] Figure 2 It is a cross-sectional view of the present utility model;

[0013] Figure 3 It is a schematic structural diagram of the filter housing of the present utility model;

[0014] Figure 4 Schematic diagram of the filter screen structure of the present utility model;

[0015] Figure 5 Schematic diagram of the dust extraction unit structure of the present utility model;

[0016] Figure 6 Schematic diagram of the upper cover structure of the present utility model.

[0017] In the figure: 1 - filter housing, 101 - intake pipe, 102 - exhaust pipe, 103 - annular carrier, 104 - lower cover, 2 - filter screen, 21 - filter element, 22 - carrier frame, 3 - dust extraction unit, 31 - dust extraction ring, 32 - vacuum cleaner connecting pipe, 33 - valve, 4 - upper cover, 401 - positioning sleeve, 402 - pressing ring, 403 - handle, 5 - vibrator. Specific implementation mode

[0018] Embodiment 1

[0019] Such as Figures 1 to 6As shown in the figure, the utility model discloses a filtering device with a filter screen cleaning structure. The technical solution adopted is as follows: it includes a filtering housing 1, and the filtering housing 1 is a cylindrical structure with a hollow interior and an upper opening. An air inlet pipe 101 is arranged at the lower left end of the filtering housing 1, and an air outlet pipe 102 is arranged at the upper right end of the filtering housing 1. The lower end of the filtering housing 1 is a lower cover 104 installed by bolts. Through the detachable lower cover 104, it is convenient to clean the interior of the filtering housing 1; a filter screen 2 is arranged inside the filtering housing 1, and the filter screen 2 separates the air inlet pipe 101 and the air outlet pipe 102. The filter screen 2 includes a filter element 21 and a bearing frame 22. The filter element 21 is located inside the bearing frame 22, and the bearing frame 22 is clamped by an annular bearing platform 103 and a pressing ring 402. A vibrator 5 contacts the filter element 21, and the filter element 21 is supported by the bearing frame 22; the upper end of the filtering housing 1 is provided with an upper cover 4 by bolts. The upper cover 4 completely closes the upper opening of the filtering housing 1. A positioning sleeve 401 is arranged at the center of the lower surface of the upper cover 4. A spring is arranged inside the positioning sleeve 401, and a vibrator 5 is arranged inside the positioning sleeve 401. The vibrator 5 abuts against the upper surface of the filter screen 2 through the spring inside the positioning sleeve 401. An annular bearing platform 103 is arranged inside the filtering housing 1, and a pressing ring 402 is arranged below the upper cover 4 through a bracket. The annular bearing platform 103 and the pressing ring 402 clamp the filter screen 2 therebetween. Through the clamping method of the annular bearing platform 103 and the pressing ring 402, it is convenient to disassemble and install the filter screen 2. A handle 403 is arranged on the upper surface of the upper cover 4, and it is convenient to move the upper cover 4 through the handle 403; a dust extraction unit 3 is arranged inside the filtering housing 1, and the dust extraction unit 3 is located between the filter screen 2 and the air inlet pipe 101. The dust extraction unit 3 includes a dust extraction ring 31, a vacuum cleaner connecting pipe 32 and a valve 33. The inner side surface of the dust extraction ring 31 is open. The dust extraction ring 31 is arranged on the inner side wall of the filtering housing 1 and is located below the annular bearing platform 103. The inner end of the vacuum cleaner connecting pipe 32 is connected to the dust extraction ring 31, and the outer end of the vacuum cleaner connecting pipe 32 extends out of the filtering housing 1. The valve 33 is arranged on the vacuum cleaner connecting pipe 32. The air inlet of an external vacuum cleaner is connected through the vacuum cleaner connecting pipe 32. The dust shaken off the filter screen 2 is sucked through the dust extraction ring 31. The vacuum cleaner connecting pipe 32 is opened and closed through the valve 33. Smoke and waste gas enter the interior of the filtering housing 1 through the air inlet pipe 101, the filtered gas is discharged through the air outlet pipe 102, the smoke and waste gas are filtered through the filter screen 2, the dust adhered to the filter screen 2 can be shaken off through the vibrator 5, the vibrator 5 can be always pressed on the filter screen 2 through the spring inside the positioning sleeve 401, and an external vacuum cleaner is connected through the dust extraction unit 3, so as to discharge the dust shaken off the filter screen 2.

[0020] Working principle of the present utility model: Connect the intake pipe 101 and the outlet pipe 102 to external pipelines. The soot waste gas enters the filter housing 1 from the intake pipe 101, and then passes through the filter screen 2. The dust impurities inside the soot waste gas are filtered by the filter element 21 and remain on the lower surface of the filter element 21. The filtered clean gas is discharged from the outlet pipe 102. When it is necessary to clean the filter element 21, connect the vacuum cleaner connecting pipe 32 to the dust extraction end of an external vacuum cleaner, open the valve 33, turn on the external vacuum cleaner, and then turn on the vibrator 5. The vibrator 5 drives the filter element 21 to vibrate, shaking off the dust impurities adhering to its lower surface, which are then sucked in by the dust extraction ring 31, and reach the external vacuum cleaner through the vacuum cleaner connecting pipe 32 for collection, completing the cleaning of the filter element 21.

[0021] The circuit connection involved in the present utility model is a commonly used means adopted by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, belonging to the widely used prior art.

[0022] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "plurality" is two or more.

[0023] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] The components not described in detail herein are prior art.

[0025] Although the specific embodiments of the present utility model have been described in detail above, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present utility model, and modifications or variations that do not involve creative labor are still within the protection scope of the present utility model.

Claims

1. A filtering device with a filter screen cleaning structure, characterized in that: The invention comprises a filter housing (1), the filter housing (1) being a cylindrical structure with a hollow interior and an open top; an air inlet pipe (101) is arranged at the lower left end of the filter housing (1), and an air outlet pipe (102) is arranged at the upper right end of the filter housing (1); a filter screen (2) is arranged inside the filter housing (1), and the filter screen (2) separates the air inlet pipe (101) and the air outlet pipe (102); an upper cover (4) is arranged at the upper end of the filter housing (1) by means of bolts, and the upper cover (4) connects the filter housing (1) to the filter housing (1); The upper opening of the filter housing (1) is completely closed; a positioning sleeve (401) is arranged at the center of the lower surface of the upper cover (4); a spring is arranged inside the positioning sleeve (401); a vibrator (5) is arranged inside the positioning sleeve (401); the vibrator (5) is pressed against the upper surface of the filter screen (2) through the spring inside the positioning sleeve (401); a dust extraction unit (3) is arranged inside the filter housing (1); the dust extraction unit (3) is located between the filter screen (2) and the air intake pipe (101).

2. A filter device with a filter screen cleaning structure according to claim 1, characterized in that: An annular support platform (103) is arranged inside the filter housing (1), and a pressing ring (402) is arranged below the upper cover (4) via a bracket, and the annular support platform (103) and the pressing ring (402) clamp the filter screen (2) therebetween.

3. The filter device with a filter screen cleaning structure according to claim 1, characterized in that: The lower end of the filter housing (1) is a lower cover (104) mounted by bolts.

4. The filter device with a filter screen cleaning structure according to claim 1, characterized in that: A handle (403) is provided on the upper surface of the upper cover (4).

5. The filter device with a filter screen cleaning structure according to claim 2, characterized in that: The dust extraction unit (3) comprises a dust extraction ring (31), a dust collector connecting pipe (32) and a valve (33); the inner side surface of the dust extraction ring (31) is open; the dust extraction ring (31) is arranged on the inner side wall of the filter housing (1) and is located below the annular support platform (103); the inner end of the dust collector connecting pipe (32) is connected to the dust extraction ring (31); the outer end of the dust collector connecting pipe (32) extends out of the filter housing (1); and the valve (33) is arranged on the dust collector connecting pipe (32).

6. The filter device with a filter screen cleaning structure according to claim 2, characterized in that: The filter screen (2) comprises a filter element (21) and a supporting frame (22), the filter element (21) is located in the supporting frame (22), the supporting frame (22) is clamped by an annular supporting platform (103) and a pressing ring (402), and the vibrator (5) contacts the filter element (21).

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