CN217511442U - Rotary filtering assembly - Google Patents

Abstract

The utility model belongs to the technical field of air filtering device, and discloses a rotary filtering component, which comprises a box body, a filter screen, a baffle, a first scraping blade, a driving piece and a sundry buffer box, wherein the box body is provided with a ventilation duct which is communicated with an air blower, filtered air enters from an air inlet of the box body, the filter screen is arranged in the ventilation duct, the baffle is arranged between the inner wall of the box body and the bottom edge of the filter screen, sundries are accumulated on the baffle, the baffle is provided with an opening, the first scraping blade is arranged on the baffle, the first scraping blade is attached to the baffle and can be in sliding fit with the baffle, the driving piece is used for driving the first scraping blade to rotate, the sundry buffer box is arranged on the box body, the sundry buffer box is provided with an inlet end which is connected with the opening of the baffle, the first scraping blade pushes all accumulated sundries on the baffle, and the sundries enter the sundry buffer box through the opening of the baffle, the sundries are cleaned regularly, the blockage of the ventilation air duct due to the accumulation of the sundries is avoided, and the air can be filtered normally.

Description

Rotary filtering assembly

Technical Field

The utility model relates to an air filter technical field especially relates to a rotary filter assembly.

Background

The wind power coal separation uses a large amount of wind as a separation medium, the wind of a main body is generally circulated in a system, a blower sends the wind into a separation bed from the bottom of the separation bed, and a wind suction inlet of the blower sucks the wind into the blower from the upper part of the separation bed, so that the wind power circulation is formed. The design has a plurality of advantages, namely, the exhaust gas is reduced, and the using amount of gas filtering equipment is reduced; secondly, dust pollution caused by discharged gas is reduced; thirdly, in severe cold areas, the heat loss in the system can be reduced, and the energy consumption of heat supply is reduced. However, the circulating air system has certain problems, and because a lot of light impurities exist in the sorting material, the impurities are easy to enter the circulating air system, and are wound on fan blades of the air blower to reduce the air supply efficiency, and a shutdown accident occurs under severe conditions.

Therefore, a rotary filter assembly is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary filter assembly for the air inlet debris of filter-blower to can accomodate debris, clean effectual, avoid debris to pile up and influence the filter effect to the air.

In order to solve the above problems existing in the prior art, the utility model adopts the following technical scheme:

a rotary filter assembly comprising:

a box body provided with a ventilation air duct;

the filter screen is arranged in the ventilation air duct and is used for filtering sundries;

a baffle positioned between an inner wall of the tank and a bottom edge of the screen, the baffle having an opening;

the first scraping blade is positioned on the baffle plate, is attached to the baffle plate and can be in sliding fit with the baffle plate;

the driving piece is used for driving the first scraping blade to rotate;

the sundries buffer box is arranged in the box body and is provided with an inlet end, and the inlet end is connected with the opening of the baffle.

Preferably, rotatory filtering component still includes the pivot, the pivot with the driving piece transmission is connected, the pivot connect in the filter screen, first doctor-bar is fixed in the bottom of filter screen.

Preferably, the rotary filtering component further comprises a second scraping blade, the second scraping blade is fixed to the box body, and the second scraping blade is attached to the outer surface of the filter screen.

Preferably, the second doctor-bar includes the base and the protruding a plurality of broach of locating the base, the base is fixed in the box, the broach by flexible material make and with the surface laminating of filter screen.

Preferably, the filter screen includes support and wire side, the support is fixed in the pivot, the wire side can dismantle connect in the support.

Preferably, the bracket is tapered, and the cross-sectional area of the bracket gradually increases along the wind direction in the ventilation duct.

Preferably, the rotary filter assembly further comprises an upper bracket and a lower bracket, the upper bracket and the lower bracket are both connected to the box body, and two ends of the rotating shaft are respectively connected to the upper bracket and the lower bracket.

Preferably, both ends of the box body are respectively provided with an air inlet hole and an air outlet hole, and the cross section areas of the air inlet hole and the air outlet hole are smaller than the cross section area of the ventilation air duct.

Preferably, the ventilation area of the filter screen is larger than the cross-sectional area of the air intake hole.

Preferably, the rotary filter assembly further comprises an observation window, a dirt cleaning opening is formed in the box body, the observation window is arranged in the dirt cleaning opening, and the observation window is used for opening or closing the dirt cleaning opening.

The beneficial effects of the utility model are that:

the utility model provides a rotary filtering component, the ventilation duct of the box body is communicated with the blower, when the filtered air enters from the air inlet of the box body, the filter screen is arranged in the ventilation duct of the box body, the filter screen is used for filtering, the baffle is positioned between the inner wall and the bottom edge of the box body, sundries are accumulated on the baffle, the baffle is provided with an opening, the first scraping blade is attached to the baffle and can be in sliding fit with the baffle, the driving piece is used for driving the first scraping blade to rotate, thereby the first scraping blade pushes all the sundries accumulated on the baffle plate, the sundries buffer box is arranged on the box body and is provided with an inlet end which is connected with the opening of the baffle plate, the sundries enter the sundries buffer box through the opening of the baffle plate, the cleaning effect is good, and regularly clear up debris, avoid debris to pile up and block up the ventilation duct, guarantee that the air can normally filter and do not influence the filter effect.

Drawings

FIG. 1 is a schematic structural view of a rotary filter assembly according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a rotary filter assembly in an embodiment of the present invention.

Reference numerals:

1. a box body; 11. a storage door; 12. an observation window;

2. filtering with a screen; 21. a support; 22. a screen surface;

3. a baffle plate; 31. an opening;

4. a first blade;

5. a drive member;

6. a sundry buffer box;

7. a rotating shaft;

8. a second wiper blade; 81. a base; 82. comb teeth;

91. an upper bracket; 92. and a lower bracket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; 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 in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The dust-proof structure is arranged at an air inlet of the existing air blower and comprises a pipe body and an air filter which is rotatably connected to the pipe body, a cleaning brush is arranged between the pipe body and the air filter, the air filter rotates and is in contact with the cleaning brush to carry out self-cleaning, and sundries cleaned from the air filter fall into a sundry buffer box arranged at the bottom of the pipe body. However, all the filtered impurities can not automatically fall into the impurity buffer box, the cleaning effect is poor, the accumulated impurities can cause the blockage of the pipe body, and the filtering effect of the dustproof structure is influenced. To this, the embodiment provides a rotatory filtering component for filter blower's the air inlet debris to can accomodate debris, clean effectual, avoid debris to pile up and influence the filter effect to the air.

As shown in fig. 1-2, in the present embodiment, a rotary filter assembly includes a housing 1, a screen 2, a baffle 3, a first wiper 4, a driving member 5, and a glove box 6. Wherein, box 1 has the ventiduct, filter screen 2 sets up in the ventiduct, filter screen 2 is used for filtering debris, baffle 3 is located between box 1's inner wall and bottom edge, baffle 3 has opening 31, first doctor-bar 4 is located baffle 3, first doctor- bar 4 and 3 laminating of baffle and ability and baffle 3 sliding fit, driving piece 5 is used for driving first doctor-bar 4 to rotate, debris baffle-box 6 sets up in box 1, debris baffle-box 6 is provided with the entrance point, entrance point connection is in baffle 3's opening 31. Specifically, box 1's ventilation duct and air-blower intercommunication set up, treat that filtered air gets into from box 1's air inlet, and filter through filter screen 2, the air after the filtration is arranged to the air-blower in, debris are piled up on baffle 3, baffle 3 is the annular, its inner fringe is connected in filter screen 2's bottom edge, the outer fringe is connected in box 1's inner wall, opening 31 has been seted up on baffle 3, driving piece 5 can drive first doctor-bar 4 and remove along the circumferencial direction at filter screen 2 bottom edge, first doctor-bar 4 slides on baffle 3, thereby all accumulational debris on first doctor-bar 4 promotion baffle 3, debris enter into debris surge-box 6 through baffle 3's opening 31, and is clean effectual, regularly clear up debris, avoid debris to pile up and block up the ventilation duct, guarantee that the air can normally filter and do not influence the filter effect.

Further, with continued reference to fig. 1-2, the rotary filter assembly further includes a rotating shaft 7, the rotating shaft 7 is in transmission connection with the driving member 5, the rotating shaft 7 is connected to the filter screen 2, and the first scraper 4 is fixed at the bottom of the filter screen 2. Specifically, the output of driving piece 5 is connected in pivot 7 for drive pivot 7 rotates, filter screen 2 is installed in pivot 7, pivot 7 is located filter screen 2's axis position, pivot 7 rotation drives filter screen 2 and rotates along pivot 7's axis, the quantity of first doctor-bar 4 has a plurality ofly, a plurality of first doctor-bars 4 set up along the outer fringe interval of filter screen 2 bottom, and follow filter screen 2 synchronous rotation, push debris accumulational on the baffle 3 in debris baffle-box 6.

Further, with continued reference to fig. 1-2, the rotary filter assembly further includes a second scraping blade 8, the second scraping blade 8 is fixed to the box body 1, and the second scraping blade 8 is attached to the outer surface of the filter screen 2. Specifically, filter screen 2 structure is the circular cone, second doctor-bar 8 is on a parallel with filter screen 2's generating line, the generating line of circular cone is the fixed point to the distance of any point of bottom surface circumference promptly, laminate in filter screen 2's surface and fix on box 1 through adjustment second doctor-bar 8, driving piece 5 drive filter screen 2 rotates, second doctor-bar 8 is cleared up attached to the debris on filter screen 2, debris remove to baffle 3 along filter screen 2's surface on, keep filter screen 2's cleanliness all the time, guarantee filter screen 2's filter effect, push accumulated debris to debris surge-box 6 by first doctor-bar 4 on with baffle 3 at last and collect.

Further, with continued reference to fig. 1-2, the second scraper 8 includes a base 81 and a plurality of comb teeth 82 protruding from the base 81, the base 81 is fixed to the housing 1, and the comb teeth 82 are made of a flexible material and are attached to the outer surface of the filter screen 2. Specifically, a plurality of broach 82 follow base 81's length direction interval setting in proper order, and base 81's both ends are passed through the connecting piece and are installed on box 1, and broach 82 laminates mutually with filter screen 2's surface to clean filter screen 2, guarantee filter screen 2's filter effect. Meanwhile, in the cleaning process of the filter screen 2, the comb teeth 82 have certain flexibility, so that the structure of the filter screen 2 cannot be abraded, and the filtering effect of the filter screen 2 is caused to be invalid.

Further, with continued reference to fig. 1-2, the filter screen 2 includes a bracket 21 and a screen surface 22, the bracket 21 is fixed to the shaft 7, and the screen surface 22 is detachably connected to the bracket 21. Specifically, the axis of the rotating shaft 7 is parallel to the wind direction in the ventilation air duct, that is, the rotating shaft 7 is directed from the air inlet of the box 1 to the air outlet of the box 1, and the rotating shaft 7 is located at the central axis position of the bracket 21, the driving member 5 drives the rotating shaft 7, and the bracket 21 rotates around the rotating shaft 7. After the filter screen 2 is used for a long time, the screen surface 22 is directly detached from the bracket 21, so that the new screen surface 22 is convenient to replace.

Further, with continued reference to fig. 1-2, the bracket 21 is tapered such that the cross-sectional area of the bracket increases in the direction of the wind within the ventilation duct. Specifically, by the direction of the air inlet to the gas vent of box 1, the cross sectional area of support 21 increases gradually, and the summit of conical support 21 is towards the air inlet of box 1 promptly, and the bottom surface of conical support 21 is towards the gas vent of box 1 for the face that the filter screen 2 place of cladding on support 21 fully contacts with the air that comes from the air inlet, increases filter area, and the filter effect is good.

Further, with continued reference to fig. 1-2, the rotary filter assembly further comprises an upper bracket 91 and a lower bracket 92, wherein the upper bracket 91 and the lower bracket 92 are both connected to the box body 1, and both ends of the rotating shaft 7 are respectively connected to the upper bracket 91 and the lower bracket 92. Specifically, the upper bracket 91 and the lower bracket 92 are fixedly installed on the inner wall of the box body 1, the filter screen 2 is fixed on the rotating shaft 7 and is positioned between the upper bracket 91 and the lower bracket 92, the driving member 5 drives the rotating shaft 7 to rotate relative to the upper bracket 91 and the lower bracket 92, the rotating shaft 7 drives the filter screen 2 to synchronously rotate, and the air is filtered while sundries on the screen surface 22 and the baffle 3 are cleaned.

Further, with continued reference to fig. 1-2, the two ends of the box body are respectively provided with an air inlet hole and an air outlet hole, and the cross-sectional areas of the air inlet hole and the air outlet hole are both smaller than the cross-sectional area of the ventilation air duct. Specifically, the air to be filtered enters from the air inlet and is discharged from the air outlet after being filtered by the box body 1, and the calibers of the air inlet and the air outlet are smaller than the peripheral size of the box body 1, so that the air can be fully filtered in the box body 1, and the air filtering effect is improved.

Further, with continued reference to fig. 1-2, the vent area of the screen is greater than the cross-sectional area of the air intake. Specifically, air to be filtered enters from the air inlet, impurities in the air are filtered through the filter screen 2, the ventilation area of the filter screen 2 is larger than the cross section area of the air inlet, a certain allowance is reserved, and the wind resistance of the box body 1 cannot be increased after part of the filter screen 2 is blocked.

Further, with continued reference to fig. 1-2, the rotary filter assembly further includes an observation window 12, a dirt cleaning opening is provided on the box body 1, the observation window 12 is provided on the dirt cleaning opening, and the observation window 12 is used for opening or closing the dirt cleaning opening. Specifically, the observation window 12 is opened, the inner wall of the box body 1 can be cleaned firstly, the net surface 22 can be maintained and replaced secondly, the observation window 12 is closed, the rotary filtering component is started, and air is filtered. Preferably, there are a plurality of observation windows 12, and observation window 12 and the quantity one-to-one of dirt removing opening set up on the box 1 outer peripheral face along the peripheral direction interval of box 1, conveniently follow a plurality of angles and clear up the inner wall of box 1.

Further, with continued reference to fig. 1-2, the rotary filter assembly further comprises a storage door 11, the sundries buffer box 6 is further provided with an outlet end, the storage door 11 is arranged at the outlet end, and the storage door 11 is used for opening or closing the outlet end. Specifically, the first scraper 4 pushes sundries piled on the baffle 3, the sundries enter the sundries buffer box 6 from the opening 31 of the baffle 3, the storage door 11 is opened, and the sundries in the sundries buffer box 6 are directly taken out from the outlet end.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A rotary filter assembly, comprising:

a box body (1) provided with a ventilation air duct;

the filter screen (2) is arranged in the ventilation air duct, and the filter screen (2) is used for filtering sundries;

a baffle (3) located between the inner wall of the box (1) and the bottom edge of the sieve (2), the baffle (3) having an opening (31);

the first scraping blade (4) is positioned on the baffle plate (3), and the first scraping blade (4) is attached to the baffle plate (3) and can be in sliding fit with the baffle plate (3);

the driving piece (5) is used for driving the first scraping blade (4) to rotate;

the sundries buffer box (6) is arranged in the box body (1), and the sundries buffer box (6) is provided with an inlet end which is connected with the opening (31) of the baffle (3).

2. The rotating filter assembly according to claim 1, further comprising a rotating shaft (7), wherein the rotating shaft (7) is in transmission connection with the driving member (5), the rotating shaft (7) is connected to the filter screen (2), and the first scraper (4) is fixed to the bottom of the filter screen (2).

3. The rotating filtering assembly according to claim 2, characterized in that it further comprises a second scraper (8), said second scraper (8) being fixed to said tank (1) and said second scraper (8) being conformed to the outer surface of said filtering screen (2).

4. A rotating filter assembly according to claim 3, wherein the second scraper (8) comprises a base (81) and a plurality of comb teeth (82) projecting from the base (81), the base (81) being fixed to the casing (1), the comb teeth (82) being made of a flexible material and engaging the outer surface of the sieve (2).

5. A rotary filter assembly according to claim 2, wherein the filter screen (2) comprises a bracket (21) and a screen surface (22), the bracket (21) being fixed to the spindle (7), the screen surface (22) being detachably connected to the bracket (21).

6. The rotary filter assembly according to claim 5, wherein the bracket (21) is tapered such that the cross-sectional area of the bracket (21) increases in the direction of the wind in the ventilation air duct.

7. The rotating filter assembly according to claim 5, further comprising an upper bracket (91) and a lower bracket (92), wherein the upper bracket (91) and the lower bracket (92) are both connected to the cabinet (1), and both ends of the rotating shaft (7) are connected to the upper bracket (91) and the lower bracket (92), respectively.

8. The rotary filter assembly according to claim 1, wherein both ends of the box body (1) are respectively provided with an air inlet hole and an air outlet hole, and the cross-sectional areas of the air inlet hole and the air outlet hole are smaller than the cross-sectional area of the ventilation air duct.

9. The rotary filter assembly according to claim 8, wherein the ventilation area of the sieve (2) is greater than the cross-sectional area of the air intake.

10. The rotary filter assembly according to claim 1, further comprising an observation window (12), wherein the tank (1) is provided with a dirt cleaning opening, the observation window (12) is provided at the dirt cleaning opening, and the observation window (12) is used for opening or closing the dirt cleaning opening.

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