CN217220639U

CN217220639U - Bin vent filter

Info

Publication number: CN217220639U
Application number: CN202220162541.4U
Authority: CN
Inventors: 任思谦; 马全章; 张红胜; 张明
Original assignee: Shaanxi Zhengyuan Fly Ash Comprehensive Utilization Co ltd
Current assignee: Shaanxi Zhengyuan Fly Ash Comprehensive Utilization Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-08-19
Anticipated expiration: 2032-01-20

Abstract

The application relates to the field of ventilation filters, in particular to a bin ventilation opening filter which comprises a mounting frame, a first filter plate and an air draft screen plate, wherein the first filter plate is connected with the mounting frame in a sliding manner, the air draft screen plate is connected to one side, close to the outside of a bin, of the mounting frame, and a fan is arranged in the air draft screen plate; when first filter and convulsions otter board butt, first filter demonstrates with convulsions otter board collision state, when first filter to separate with the convulsions otter board, first filter presents the separation state with the convulsions otter board. This application has and is stained with on the first filter fly ash that attaches and can drop through the collision, then fly ash on the first filter is at the in-process self-cleaning of airing exhaust, the higher effect of convenience.

Description

Filter for ventilation opening of storage bin

Technical Field

The application relates to the field of ventilation filters, in particular to a bin vent filter.

Background

The feed bin for storing the fly ash is generally provided with a vent, the vent is used for discharging air entering the fly ash feed bin, the vent is generally provided with a filter, and when the air flows out of the feed bin, fly ash particles in the feed bin are isolated in the feed bin, so that air pollution is prevented.

In the related technology, the bin vent filter comprises a filter frame, a filter screen and a fan, wherein the filter frame is arranged at a bin vent; the number of the filter screens is two, and the two filter screens are both arranged on the filter frame; the fan is installed between two filter screens, and when blowing after the fan is opened, the air current around the fan flows, then air pressure around the fan reduces, and indoor wind can flow to the feed bin outside along the direction of fan, and the fine coal ash that indoor wind carried is blockked in the feed bin by the filter screen.

In summary, the inventor thinks that after the filter is used for a long time, a filter net is adhered with a lot of dust particles, workers are required to disassemble the filter and remove the dust particles, and the steps are complicated.

SUMMERY OF THE UTILITY MODEL

In order to solve the loaded down with trivial details problem of dust particle step on cleaing away the filter screen, this application provides a feed bin vent filter.

The application provides a feed bin vent filter adopts following technical scheme:

a bin vent filter comprises a mounting frame, a first filter plate and an air draft screen plate, wherein the first filter plate is connected with the mounting frame in a sliding manner, the air draft screen plate is connected to one side, close to the outside of a bin, of the mounting frame, and a fan is mounted in the air draft screen plate;

when first filter and convulsions otter board butt, first filter demonstrates with convulsions otter board collision state, when first filter to separate with the convulsions otter board, first filter presents the separation state with the convulsions otter board.

Through adopting above-mentioned technical scheme, when the wind in the feed bin was discharged from the vent, first filter was blown by wind, slides on the installing frame, and when first filter collided convulsions otter board, the last fly ash that is stained with of first filter and attaches can drop through the collision, and then fly ash on the first filter is at the in-process self-cleaning of airing exhaust, and the convenience is higher.

Optionally, be provided with the second filter between first filter and the convulsions otter board, the filter pore size of second filter is less than the filter pore size of first filter, second filter and installing frame sliding connection.

Through adopting above-mentioned technical scheme, the continuous filtration of first filter and second filter for fly ash in the feed bin is at first filtered great fly ash granule by first filter, then is filtered less fly ash granule by the second filter, filters step by step, and first filter and second filter collide each other, also can make the fly ash collision on first filter and the second filter and fall.

Optionally, the inner wall of the mounting frame is connected with an organ cover, and the organ cover is fixedly connected with the edge of the first filtering plate and the edge of the second filtering plate.

Through adopting above-mentioned technical scheme, the setting of organ cover for the fly ash granule is blockked by the organ cover, can not imbed the installing frame inner wall, and the organ cover can cooperate the slip of first filter and second filter because self telescopic nature, and then the fly ash that the collision dropped on first filter and the second filter all can drop on the organ cover of installing frame diapire.

Optionally, a sliding groove is formed in the peripheral wall of the mounting frame, sliding blocks are fixedly connected to the peripheral walls of the first filter plate and the second filter plate, and the sliding blocks are connected with the mounting frame in a sliding mode along the direction of the sliding groove.

Through adopting above-mentioned technical scheme, the offering of sliding tray and the setting of sliding block for the slip of first filter and second filter can rely on the sliding block to slide along the sliding tray in the installing frame, then first filter and second filter can slide and collision each other, collide the fly ash on first filter and the second filter and drop.

Optionally, the air draft screen plate is connected with a dust removing assembly, the dust removing assembly comprises an air draft pipe, one end of the air draft pipe is communicated with the air draft screen plate, and the other end of the air draft pipe extends to the organ cover at the bottom of the installation frame.

Through adopting above-mentioned technical scheme, the setting of deashing subassembly for the wind that blows out on the convulsions otter board passes through the organ cover department of exhaust column entering installing frame bottom, then the wind that blows out from the exhaust column can blow off the fly ash granule of organ cover top surface, and this device does not need external energy, directly utilizes the natural wind of device itself to reach the purpose of cleaing away fly ash, and design benefit has guaranteed when first filter and second filter normally slide, has still reached energy-concerving and environment-protective purpose.

Optionally, the ash removal assembly further comprises an air suction cavity, one side of the air suction cavity is communicated with the air suction screen plate, and the other side of the air suction cavity is communicated with one end, close to the air suction screen plate, of the air suction pipe.

Through adopting above-mentioned technical scheme, the setting in chamber of induced drafting for induced drafting the chamber can collect the wind that blows off on the convulsions otter board to a greater extent in the exhaust column, then the air mass flow in the exhaust column is great, and when the wind in the exhaust column blew to wind organ cover top, the fly ash granule at organ cover top was dropped by a large amount of wind-blows, and it is quiet with organ cover top clearance.

Optionally, one side of the mounting frame is provided with a dust collecting frame.

By adopting the technical scheme, the ash collecting frame is arranged, so that the coal ash blown down from the top of the organ cover can all fall into the ash collecting frame, and the falling coal ash is collected by the ash collecting frame.

Optionally, the bottom wall of the ash collection frame is inclined, and the inclined end of the ash collection frame close to one side of the storage bin is lower.

Through adopting above-mentioned technical scheme, the diapire is the design of the receipts ash frame of inclination for the fly ash that drops into in receiving the ash frame is followed and is received the ash frame diapire and descend, then need not artifical manual clearance fly ash, saves time and labour.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the air in the ash storehouse is exhausted from the ventilation opening, the first filter plate is blown by the air, when the first filter plate collides with the air exhaust screen plate, the coal ash attached to the first filter plate can fall off through collision, and the coal ash on the first filter plate is automatically removed in the air exhaust process, so that the convenience is high;

2. the first filter plate and the second filter plate filter step by step, and the first filter plate and the second filter plate collide with each other, so that the fly ash on the first filter plate and the fly ash on the second filter plate collide and fall down;

3. the setting of organ cover for the fly ash tiny particle is blockked by the organ cover, and then the fly ash that the collision dropped on first filter and the second filter all can drop on the organ cover of installing frame diapire.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic view for showing the structures of a first filter plate and a second filter plate;

FIG. 3 is a schematic diagram intended to show the construction of the ash removal assembly.

Description of reference numerals: 1. installing a frame; 11. a sliding groove; 12. a dust collection frame; 2. a first filter plate; 3. a second filter plate; 4. air draft net plate; 41. a fan; 5. an organ cover; 6. a slider; 7. a soot cleaning assembly; 71. a suction chamber; 72. an exhaust pipe; 73. an air inlet cavity.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses feed bin vent filter. Referring to fig. 1 and 2, the bin vent filter comprises a mounting frame 1, a first filter plate 2, a second filter plate 3, an air draft screen plate 4, an organ cover 5 and an ash removal assembly 7, wherein the first filter plate 2, the second filter plate 3 and the air draft screen plate 4 are all in sliding connection with the mounting frame 1; the organ cover 5 covers the inner peripheral wall of the mounting frame 1; the ash removal component 7 is connected with the air draft screen plate 4 and the organ cover 5 and is used for removing the fly ash on the organ cover 5.

When convulsions otter board 4 carried out the induced draft, the inside wind of feed bin blew off the feed bin along first filter 2, second filter 3 and convulsions otter board 4, because the inside wind of feed bin is mingled with fly ash, consequently fly ash in the air can be filtered to first filter 2, second filter 3, when first filter 2, second filter 3 are blown and collide by wind, fly ash on first filter 2 and the second filter 3 is collided and is dropped.

Referring to fig. 2, the mounting frame 1 is a rectangular frame body, the mounting frame 1 is mounted on the wall of the silo by using bolts and sealant, the first filter plate 2, the second filter plate 3 and the air draft screen plate 4 are sequentially arranged adjacently, and the air draft screen plate 4 is positioned on one side of the mounting frame 1 close to the outside of the silo; the first filter plate 2 and the second filter plate 3 are both in rectangular plate structures, a plurality of first filter holes are uniformly formed in the first filter plate 2, a plurality of second filter holes are uniformly formed in the second filter plate 3, and the aperture of each first filter hole is larger than that of the first filter plate 2; the air draft screen plate 4 is fixedly connected with the mounting frame 1 through bolts, the air draft screen plate 4 is a grid plate and is internally provided with a cavity, and the fan 41 is arranged inside the air draft screen plate 4.

Referring to fig. 2, the top of each of the first filter plate 2 and the second filter plate 3 is provided with two sliding blocks 6, and the sliding blocks 6 are fixedly connected with the first filter plate 2 and the second filter plate 3 and are integrally formed; the bottom parts of the first filter plate 2 and the second filter plate 3 are respectively provided with two sliding blocks 6, and the sliding blocks 6 are fixedly connected with the first filter plate 2 and the second filter plate 3 and are integrally formed; two sliding tray 11 have been seted up to 1 roof of installing frame, connect in the sliding block 6 at 2 tops of first filter and connect in the sliding tray 11 that the sliding block 6 at 3 tops of second filter all is located the 1 roof of installing frame, two sliding tray 11 have been seted up to 1 diapire of installing frame, connect in the sliding block 6 of 2 bottoms of first filter and connect in the sliding tray 11 that the sliding block 6 of 3 bottoms of second filter all is located the 1 roof of installing frame, first filter 2,

second filter

3 and 1 sliding connection of installing frame.

Referring to fig. 3, the organ cover 5 is covered on four inner walls of the mounting frame 1, the edge of the organ cover 5 is fixedly bonded to the mounting frame 1, and the organ cover 5 is fixedly bonded to the peripheral walls of the first filter plate 2 and the second filter plate 3.

After the fan 41 is started, because the air pressure at the position of the fan 41 is lower than the air pressure in the storage bin, the air flow in the storage bin firstly passes through the first filter plate 2, the first filter plate 2 filters large-particle fly ash in the air, then the air flow continuously passes through the second filter plate 3, and the second filter plate 3 filters small-particle fly ash in the air; meanwhile, the first filter plate 2 and the second filter plate 3 slide in the mounting frame 1 through the sliding block 6 and touch the second filter plate 3, and then the fly ash particles on the first filter plate 2 and the second filter plate 3 collide with each other and fall on the top surface of the organ cover 5 at the bottom of the mounting frame 1.

Referring to fig. 3, the ash removing assembly 7 comprises an air suction cavity 71, an air exhaust pipe 72 and an air inlet cavity 73, the air suction cavity 71 is a combination of a cuboid and a rectangular pyramid, one side of the cuboid of the air suction cavity 71 is open, and the air suction cavity 71 and one side of the air exhaust screen plate 4, which is far away from the second filter plate 3, are welded and fixed; one end of the exhaust pipe 72 is fixedly communicated with one side of the air suction cavity 71 in a rectangular pyramid shape, and the other end extends to the organ cover 5 positioned on the bottom wall of the mounting frame 1; the air inlet cavity 73 is positioned at the joint of the side wall and the bottom wall of the mounting frame 1 and the organ cover 5 and is fixedly bonded with the organ cover 5, the air inlet cavity 73 is fixedly communicated with one end of the exhaust pipe 72, which is far away from the air suction cavity 71, and the fixing mode is welding fixing.

Referring to fig. 3, an ash collecting frame 12 is arranged on one side, away from the ash removing component 7, of the mounting frame 1, the width of the ash collecting frame 12 is equal to the thickness of the mounting frame 1, the bottom surface of the ash collecting frame 12 is inclined, the height of the higher end of the bottom surface of the ash collecting frame 12 is identical to the height of the organ cover 5 at the bottom of the mounting frame 1, and the lower side of the bottom surface of the ash collecting frame 12 extends towards the inside of the storage bin.

When the airflow is blown out from the air draft screen plate 4, the air enters the air draft cavity 71, the air in the air draft cavity 71 is blown out to the top surface of the organ cover 5 at the bottom of the mounting frame 1 along the air draft pipe 72, and the pulverized coal ash on the top surface of the organ cover 5 is blown into the ash collecting frame 12 and slides into the bin along the bottom of the ash collecting frame 12.

The implementation principle of this application embodiment a feed bin vent filter does: when the fan 41 is started, the air inside the bin is blown out of the bin along the first filter plate 2, the second filter plate 3 and the air draft screen plate 4, the fly ash is mixed with the air inside the bin, the first filter plate 2 filters large-particle fly ash in the air, then the air flow continuously passes through the second filter plate 3, and the small-particle fly ash in the air is filtered by the second filter plate 3; meanwhile, the first filter plate 2 and the second filter plate 3 slide in the mounting frame 1 through the sliding block 6 and touch the second filter plate 3, so that the fly ash particles on the first filter plate 2 and the second filter plate 3 collide and fall onto the top surface of the organ cover 5 at the bottom of the mounting frame 1; when the airflow is blown out from the air draft screen plate 4, the air enters the air draft cavity 71, the air in the air draft cavity 71 is blown out to the top surface of the organ cover 5 at the bottom of the mounting frame 1 along the air draft pipe 72, and the pulverized coal ash on the top surface of the organ cover 5 is blown into the ash collecting frame 12 and slides into the bin along the bottom of the ash collecting frame 12.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A silo vent filter which characterized in that: the filter plate comprises an installation frame (1), a first filter plate (2) and an air draft screen plate (4), wherein the first filter plate (2) is connected with the installation frame (1) in a sliding mode, the air draft screen plate (4) is connected to one side, close to the outside of a storage bin, of the installation frame (1), and a fan (41) is installed in the air draft screen plate (4);

when first filter (2) and convulsions otter board (4) butt, first filter (2) demonstrate with convulsions otter board (4) collision state, when first filter (2) to separate with convulsions otter board (4), first filter (2) and convulsions otter board (4) present the separation state.

2. The bin vent filter of claim 1, wherein: be provided with second filter (3) between first filter (2) and convulsions otter board (4), the filtration aperture of second filter (3) is less than the filtration aperture of first filter (2), second filter (3) and installing frame (1) sliding connection.

3. The bin vent filter of claim 1, wherein: the inner wall of the mounting frame (1) is connected with an organ cover (5), and the organ cover (5) is fixedly connected with the edge of the first filter plate (2) and the edge of the second filter plate (3).

4. The bin vent filter of claim 1, wherein: sliding groove (11) have been seted up to installing frame (1) perisporium, first filter (2) and the equal fixedly connected with sliding block (6) of second filter (3) perisporium, sliding block (6) along the direction and the installing frame (1) sliding connection of sliding groove (11).

5. The bin vent filter of claim 3, wherein: the ash removal component (7) is connected to the air draft screen plate (4), the ash removal component (7) comprises an air draft pipe (72), one end of the air draft pipe (72) is communicated with the air draft screen plate (4), and the other end of the air draft pipe extends to the organ cover (5) at the bottom of the mounting frame (1).

6. The bin vent filter of claim 5, wherein: the ash removal component (7) further comprises an air suction cavity (71), one side of the air suction cavity (71) is communicated with the air suction screen plate (4), and the other side of the air suction cavity is communicated with one end, close to the air suction screen plate (4), of the air suction pipe (72).

7. The bin vent filter of claim 1, wherein: one side of the mounting frame (1) is provided with an ash collecting frame (12).

8. The bin vent filter of claim 7, wherein: the bottom wall of the ash collection frame (12) is inclined, and the inclined end of the ash collection frame (12) close to one side of the storage bin is lower.