Pulse self-cleaning air filter

Abstract

The invention relates to the technical field of air filters, in particular to a pulse self-cleaning filter which comprises a filter chamber and an air purification chamber which are separated from each other, a plurality of filter elements are arranged in the filter chamber, the interiors of the filter elements are communicated with the air purification chamber, a blowback pipe used for blowback of the filter elements is arranged in the air purification chamber, and a blowback head is arranged on the blowback pipe; partition plates which can be opened and closed and are located between the adjacent filter elements are arranged in the filter chamber, the partition plates can divide the filter chamber into a plurality of partition cavities, and dust collection main pipes are connected into the partition cavities through dust collection branch pipes; a blowback control valve is arranged on the blowback head, and a dust collection control valve is arranged on the dust collection branch pipe; the dust collection header pipe is connected with a dust collection fan, and the dust collection fan is connected with a dust collection cloth bag; the pulse self-cleaning filter disclosed by the invention is relatively good in back flushing and cleaning efficiency, and the filtering effect of the filter element after back flushing and cleaning is relatively good.

Description

Technical Field

[0001] The invention relates to the technical field of air filters, in particular to a pulse self-cleaning filter. Background Art

[0002] Pulse self-cleaning filters have been widely used in the field of air purification due to their advantages such as low gas consumption, strong explosive power and good flushing effect. Existing large-scale pulse self-cleaning filters are equipped with multiple filter elements. When a filter element is backwashed online, the dust on the filter element will be blown to other adjacent filter elements, and the blown dust cannot be discharged in time, resulting in poor backwashing cleaning effect and poor filtering effect of the filter element. Summary of the invention

[0003] The main purpose of the present invention is to provide a pulse self-cleaning filter to solve the problem in the above-mentioned prior art that when the pulse self-cleaning filter performs online backblowing on a filter element, the dust on the filter element will be blown onto other adjacent filter elements, and the blown dust cannot be discharged in time, resulting in poor backblowing cleaning effect.

[0004] In order to achieve the above-mentioned purpose, the present invention provides a pulse self-cleaning filter, including a filter chamber and a clean air chamber separated from each other, a plurality of filter elements are arranged in the filter chamber, the interior of the filter element is connected with the clean air chamber, a backblowing pipe for backblowing the filter element is arranged in the clean air chamber, and a backblowing head is arranged on the backblowing pipe; an openable and closable partition is arranged in the filter chamber between adjacent filter elements, the partition can divide the filter chamber into a plurality of compartments, and the compartments are all connected to a dust suction main pipe through dust suction branch pipes.

[0005] Furthermore, a back-blowing control valve is provided on the back-blowing head, and a dust suction control valve is provided on the dust suction branch pipe; the dust suction main pipe is connected to a dust suction fan, and the dust suction fan is connected to a dust suction bag.

[0006] Furthermore, the partition is a shutter.

[0007] Furthermore, the partition includes a square window frame, the internal cavity of the window frame is provided with a plurality of blades arranged from top to bottom, the rear side of the blade is fixedly connected to one end of a rotating arm, the other end of the rotating arm is hinged with a linkage rod, the middle part of the rotating arm is hinged to the window frame; the window frame is connected to an electric push rod for driving the linkage rod to move up and down.

[0008] Furthermore, one end of the electric push rod is hinged to the window frame, and the other end is hinged to the fixing rod, and the fixing rod is fixedly connected to the linkage rod.

[0009] Furthermore, the outer side of the push rod of the electric push rod is covered with a bellows.

[0010] Furthermore, an air inlet chamber is provided below the filter chamber, and the air inlet chamber and the filter chamber are connected through a connecting port; a filter screen is provided on the side of the air inlet chamber.

[0011] Furthermore, a clean air outlet is provided on the clean air chamber.

[0012] The beneficial effects of the present invention are: By setting up a partition, when backblowing a certain filter element, the partition can be closed to isolate a separate chamber, thus preventing dust on one filter element from being blown onto another filter element. During the backblowing process, other filter elements can be used normally. After the backblowing is completed, the partition can be opened and the filter element after backblowing can be used normally.

[0013] By arranging the dust suction branch pipe, the dust suction main pipe and the dust suction fan, the dust blown into the compartment can be sucked out in time; the space in the compartment is small, and the dust suction pipe can suck out the dust and clean it up.

[0014] The pulse self-cleaning filter of the present invention has good back-blowing and cleaning efficiency, and the filtering effect of the filter element after back-blowing cleaning is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings in the specification, which constitute a part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0016] Figure 1 It is a schematic diagram of the structure of the pulse self-cleaning filter in the embodiment; Figure 2 The structure of the partition in the embodiment is shown in FIG. Figure 1 ; Figure 3 The structure of the partition in the embodiment is shown in FIG. Figure 2 .

[0017] In the figure: 1. Filter chamber; 2. Clean air chamber; 201. Clean air outlet; 3. Filter element; 4. Backblowing pipe; 401. Backblowing head; 5. Partition; 501. Window frame; 502. Blade; 503. Rotating arm; 504. Linkage rod; 505. Electric push rod; 506. Fixed rod; 507. Bellows; 6. Dust suction main pipe; 7. Dust suction fan; 8. Dust suction bag; 9. Dust suction branch pipe; 10. Inlet chamber; 11. Filter. DETAILED DESCRIPTION

[0018] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0019] like Figure 1As shown, according to an embodiment of the present invention, a pulse self-cleaning filter is provided, including a filter chamber 1 and a clean air chamber 2 separated from each other, a plurality of filter elements 3 are arranged in the filter chamber 1, the interior of the filter element 3 is communicated with the clean air chamber 2, a backblowing pipe 4 for backblowing the filter element 3 is arranged in the clean air chamber 2, a backblowing head 401 is arranged on the backblowing pipe 4; an openable and closable partition 5 is arranged in the filter chamber 1 and located between adjacent filter elements 3, the partition 5 can divide the filter chamber 1 into a plurality of compartments, and the compartments are all connected to a dust suction main pipe 6 through a dust suction branch pipe 9.

[0020] A back-blowing control valve is provided on the back-blowing head 401 , and a dust suction control valve is provided on the dust suction branch pipe 9 ; the dust suction main pipe 6 is connected to a dust suction fan 7 , and the dust suction fan 7 is connected to a dust suction bag 8 .

[0021] The partition 5 is a shutter.

[0022] An air inlet chamber 10 is provided below the filter chamber 1 , and the air inlet chamber 10 and the filter chamber 1 are connected via a connecting port; a filter screen 11 is provided on the side of the air inlet chamber 10 ; and a clean air outlet 201 is provided on the clean air chamber 2 .

[0023] like Figure 2 and Figure 3 As shown, in some embodiments, the partition 5 includes a square window frame 501, and the internal cavity of the window frame 501 is provided with a plurality of blades 502 arranged from top to bottom; the rear side of the blade 502 is fixedly connected to one end of a rotating arm 503, the other end of the rotating arm 503 is hinged with a linkage rod 504, and the middle part of the rotating arm 503 is hinged to the window frame 501; the window frame 501 is connected to an electric push rod 505 for driving the linkage rod 504 to move up and down; the linkage rod 504 rotates up and down to close and open the blade 502, and when the blade 502 is open, the wind can smoothly pass through the inside of the window frame 501; when the blade 502 is closed, the blade 502 blocks the wind so that the wind cannot pass through the inside of the window frame 501.

[0024] One end of the electric push rod 505 is hinged to the window frame 501 , and the other end is hinged to the fixing rod 506 . The fixing rod 506 is fixedly connected to the linkage rod 504 .

[0025] The outer side of the push rod of the electric push rod 505 is covered with a bellows 507; the bellows 507 is used for dust prevention.

[0026] By setting the partition 5 in the above embodiment, when backblowing a certain filter element 3, the partition 5 can be closed to isolate a separate cavity, thereby preventing dust on one filter element 3 from being blown onto another filter element 3. During the backblowing process, the other filter elements 3 can be used normally; after the backblowing is completed, the partition 5 can be opened, and the filter element 3 after backblowing can be used normally.

[0027] By arranging the dust suction branch pipe 9, the dust suction main pipe 6 and the dust suction fan 7, the dust blown into the compartment can be sucked out in time; the space in the compartment is small, and the dust suction pipe can suck out the dust and clean it up.

[0028] The backflushing and cleaning efficiencies of the above-mentioned embodiments are good, and the filtering effect of the filter element after backflushing and cleaning is good.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pulse self-cleaning filter, comprising a filter chamber (1) and a clean air chamber (2) separated from each other, wherein a plurality of filter elements (3) are arranged in the filter chamber (1), the interior of the filter element (3) is communicated with the clean air chamber (2), a backflush pipe (4) for backflush the filter element (3) is arranged in the clean air chamber (2), and a backflush head (401) is arranged on the backflush pipe (4); characterized in that: The filter chamber (1) is provided with an openable and closable partition (5) located between adjacent filter elements (3); the partition (5) can divide the filter chamber (1) into a plurality of compartments; each of the compartments is connected to a dust collection main pipe (6) via a dust collection branch pipe (9).

2. The pulse self-cleaning filter according to claim 1, characterized in that: The back-blowing head (401) is provided with a back-blowing control valve, and the dust suction branch pipe (9) is provided with a dust suction control valve; the dust suction main pipe (6) is connected to a dust suction fan (7), and the dust suction fan (7) is connected to a dust suction bag (8).

3. The pulse self-cleaning filter according to claim 1, characterized in that: The partition (5) is a shutter.

4. The pulse self-cleaning filter according to claim 3, characterized in that: The partition (5) comprises a square window frame (501); a plurality of blades (502) arranged from top to bottom are arranged in an internal cavity of the window frame (501); one end of a rotating arm (503) is fixedly connected to the rear side of the blade (502); a linkage rod (504) is hingedly connected to the other end of the rotating arm (503); the middle part of the rotating arm (503) is hingedly connected to the window frame (501); and an electric push rod (505) for driving the linkage rod (504) to move up and down is connected to the window frame (501).

5. The pulse self-cleaning filter according to claim 4, characterized in that: One end of the electric push rod (505) is hinged to the window frame (501), and the other end is hinged to the fixing rod (506), and the fixing rod (506) is fixedly connected to the linkage rod (504).

6. The pulse self-cleaning filter according to claim 5, characterized in that: The outer side of the push rod of the electric push rod (505) is covered with a bellows (507).

7. The pulse self-cleaning filter according to claim 5, characterized in that: An air intake chamber (10) is provided below the filter chamber (1), and the air intake chamber (10) and the filter chamber (1) are connected via a connecting port; a filter screen (11) is provided on the side of the air intake chamber (10).

8. The pulse self-cleaning filter according to claim 5, characterized in that: The clean air chamber (2) is provided with a clean air outlet (201).

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