CN210495721U

CN210495721U - Cleaning and dust removing device for cement bin

Info

Publication number: CN210495721U
Application number: CN201921100723.3U
Authority: CN
Inventors: 丁建方
Original assignee: Huzhou Rigid Cement Co Ltd
Current assignee: Huzhou Rigid Cement Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-05-12
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a clean dust collector in cement bin, including set up in cement bin and with the round platform form dust removal box at the common top in cement bin, clearance department between the lateral wall of dust removal box and the cement bin inner wall is equipped with vibration generator, the bottom of dust removal box is equipped with a plurality of through-hole, be provided with the filter core downwards along the through-hole, be equipped with a plurality of slope baffle in the dust removal box from top to bottom, all be formed with airflow channel between every slope baffle and the box lateral wall, two airflow channel adjacent about wantonly are crisscross distribution all, dust removal box top is equipped with the air-blower, the air-blower is connected with the rose box, the rose box is connected with the filtering ponds. The utility model has the advantages of can compromise the recycle of cement ash simultaneously and keep good dust removal effect for a long time, need not frequent clearance laying dust case, work efficiency is high.

Description

Cleaning and dust removing device for cement bin

Technical Field

The utility model relates to a cement bin dust removal technical field, especially a clean dust collector in cement bin.

Background

Cement bin is cement, the equipment that often needs to use in the concrete production process, it is the approximate closed jar body in the shape, bulk cement for the storage production, screw conveyer is generally installed to the bottom opening part in cement bin, be used for the ejection of compact and feeding, cement bin is in the feeding process, storehouse internal gas pressure is greater than the atmospheric pressure outside the storehouse, can raise a large amount of cement ash and dust in the storehouse, cement ash and dust can be raised, cement bin can't accomplish to seal completely, if remove dust to it, cement ash and dust can spread to the external world, not only the polluted environment still cause harm to cement factory staff's healthy.

At present, an external dust removal device is generally arranged on the top of a cement bin to remove cement dust and dust, and the cement bin has a large dust output amount, so a wet dust removal method is adopted, the dust removal effect is good, but the cement dust is difficult to recover, and serious waste is caused; and with the dry-type dust removal method, because the dust output is big, dust collector's work load is big, can adhere to a large amount of dust, cement ash, even can keep certain dust removal effect in the short time, long-time use causes the inside deposition of equipment easily, and the dust removal effect reduces, also needs frequently to clear up to retrieve the cement ash to the dust box, and work efficiency is lower. Therefore, the existing dust removal for the cement bin has the problems that the workload of a dust removal device is large, cement dust can not be recycled, a good dust removal effect can not be kept for a long time, a dust box needs to be cleaned frequently, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clean dust collector in cement bin. The dust collection box has the advantages of being capable of simultaneously recycling cement dust, keeping a good dust removal effect for a long time, not needing to frequently clean the dust collection box and being high in working efficiency.

The technical scheme of the utility model: clean dust collector in cement bin, including setting up in cement bin and with the round platform form dust removal box at the common top in cement bin, clearance department between the lateral wall of dust removal box and the cement bin inner wall is equipped with vibration generator, the bottom of dust removal box is equipped with a plurality of through-hole, be provided with the filter core downwards along the through-hole, the dust removal box is internal from top to bottom to be equipped with a plurality of slope baffle, all be formed with airflow channel between every slope baffle and the box lateral wall, two airflow channel adjacent about wantonly are all crisscross distribution, dust removal box top is equipped with the air-blower, the air-blower is connected with the rose box, the rose box is connected with the filtering ponds.

In the cement bin cleaning and dust removing device, included angles formed by the inclined baffles and the horizontal plane are gradually increased from top to bottom.

In the aforementioned clean dust collector in cement bin, the filter core includes the wire netting inner bag, and the outside cladding of wire netting inner bag has the filter cloth.

In the cement bin cleaning and dust removing device, the air outlet of the air blower is provided with the cover plate, and the cover plate is rotatably connected with the top of the dust removing box body.

In the cement bin cleaning and dust removing device, a plurality of layers of filter screens are arranged in the filter box.

In the cement bin cleaning and dust removing device, the filter box and the filter tank are both arranged at the top of the dust removing box body.

In the cement bin cleaning and dust removing device, two branches are arranged on a pipeline connected with the filter box and the filter tank, one branch is inserted into the filter tank, the other branch is communicated with the outside air, and each branch is provided with a switch valve.

Compared with the prior art, one part of the dust collector is arranged inside the cement bin, the other part is arranged outside the cement bin, the inner part realizes the first-stage filtration and recovery of the dust in the cement bin, the outer part realizes the second-stage filtration and recovery and the third-stage filtration of the dust, the dry dust collection and the wet dust collection are combined, the dust collection effect is good, the dry dust collection is carried out inside the cement bin, the filtration and the recovery of most of the dust are completed, the external dust collection load is reduced, an external air blower and a filter box are not easy to accumulate dust, a small amount of dust is subjected to the dry dust collection again by an external filter box, the filter box is connected with a filter tank, finally, the dust can be discharged outwards after one wet dust collection is carried out in the filter tank, the cement ash filtered inside the cement bin can be directly recovered, the amount of the filter blower in the filter tank is small, the filter tank can also be recovered during the work, and the dust content in the air filtered by the, only filter out minute quantity of cement ash in the filtering ponds, the waste that causes the cement ash is less relatively, and the air cleanliness factor of emission is high moreover, has compromise cement ash's recycle and all keep better dust removal effect for a long time in general.

Specifically, the round platform-shaped dust removal box body in the cement bin and the cement bin share one top, so that the space is saved, a plurality of filter elements are arranged in the dust removal box body, most cement ash is filtered by the filter elements, the cement ash is filtered and dropped into the cement bin to be recovered, a plurality of inclined baffles are arranged above the filter elements, an airflow channel is formed between each inclined baffle and the side wall of the box body, the smooth air circulation is ensured, the blockage is avoided, the inclined baffles are arranged in a staggered manner, the length of the whole flow channel is prolonged, the raise dust through the filter core falls in the separation rear portion that receives the slope baffle, can reduce out the dirt volume to a certain extent, and the dust content has been not high in flowing to the outside air in cement bin, and the filtration of filter screen and the filtration of filtering ponds outwards discharges in the rose box again, and the ash accumulation of cement is slower in the rose box, can also retrieve it during the air-blower blast, need not frequent clearance.

The utility model discloses the air outlet of air-blower is equipped with the apron, when not feeding, the air outlet of air-blower is sealed to the apron, prevent the dust, the cement ash is raised outward, the feeding goes on in step with removing dust, during the feeding, the apron is opened but the air-blower is out of work, the air flows under the effect of interior external pressure difference in the storehouse, dust removal work finishes at every turn, the air-blower begins work, to blowing in the storehouse, lateral wall and the vibration generator work between the cement storehouse inner wall of dust removal box simultaneously, shake down the recovery with every slope baffle and the adnexed cement ash of filter core, to the law that the ash volume can increase gradually from top to bottom, the contained angle that a plurality of slope baffle and horizontal plane formed is according to the order crescent from top to bottom, be convenient for.

In addition, the filter element comprises a wire mesh inner container, the outer side of the wire mesh inner container is coated with filter cloth, the wire mesh inner container plays a role in fixing the filter cloth, and the filter cloth is easily disassembled and assembled in the through hole; the cover plate is rotatably connected with the top of the dust removal box body, so that the switch is convenient and fast; a plurality of layers of filter screens are arranged in the filter box, so that the filter effect is good; the filter box and the filter tank are both arranged at the top of the dust removal box body, and the space is reasonably utilized.

To sum up, the utility model has the advantages of can compromise the recycle of cement ash simultaneously and keep good dust removal effect for a long time, need not frequent clearance dust-collecting box, work efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a partial enlarged view of fig. 1 at a.

The labels in the figures are: 1-cement bin, 2-dedusting box body, 3-vibration generator, 4-blower, 5-filter box, 6-filter tank, 21-through hole, 22-filter core, 23-inclined baffle, 221-wire mesh inner container, 222-filter cloth, 41-cover plate and 51-filter screen.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b): clean dust collector in cement bin, the structure is as shown in figure 1 and figure 2, including setting up in cement bin 1 and with the round platform form dust removal box 2 at the common top in cement bin 1, clearance department between the lateral wall of dust removal box 2 and the 1 inner wall in cement bin is equipped with vibration generator 3, the bottom of dust removal box 2 is equipped with a plurality of through-hole 21, be provided with filter core 22 downwards along through-hole 21, be equipped with a plurality of slope baffle 23 from top to bottom in the dust removal box 2, all be formed with airflow channel between every slope baffle 23 and the box lateral wall, two airflow channel adjacent about wantonly are all crisscross distribution, dust removal box 2 top is equipped with air-blower 4, air-blower 4 is connected with rose box 5, rose box 5 is connected with filtering ponds 6.

The side wall of the cement bin 1 is provided with a side opening door, and the filter element 22 can be cleaned and maintained through the side opening door.

The included angle that a plurality of inclined baffle 23 and horizontal plane formed is according to the order crescent from top to bottom.

The filter element 22 comprises a wire mesh inner container 221, the outer side of the wire mesh inner container 221 is coated with filter cloth 222, the wire mesh inner container 221 fixes the filter cloth 222, and the top of the wire mesh inner container is bent and clamped at the uppermost end of the through hole 21.

And an air outlet of the air blower 4 is provided with a cover plate 41, and the cover plate 41 is rotatably connected with the top of the dust removal box body 2.

A plurality of layers of filter screens 51 are arranged in the filter box 5, and the aperture of each filter screen 51 is gradually reduced along the air flowing direction.

The filter box 5 and the filter tank 6 are both arranged at the top of the dedusting box body 2.

Two branches are arranged on a pipeline connected with the filter box 5 and the filter tank 6, one branch is inserted into the filter tank 6, the other branch is communicated with the outside air, and each branch is provided with a switch valve.

The utility model discloses a theory of operation: the utility model discloses open dust removal work when cement bin 1 feeds, the storehouse internal gas pressure is greater than the atmospheric pressure outside the storehouse during feeding, apron 41 is opened but air-blower 4 is out of work, on the pipeline that rose box 5 and filtering ponds 6 are connected, the branch switch valve that communicates with the outside air is closed, the branch switch valve that inserts in the filtering ponds is opened, the storehouse internal gas carries cement ash and flows upwards, at first through a plurality of filter elements 22, filter most cement ash by filter element 22, cement ash is filtered and falls to cement bin 1 and retrieves in filter element 22 department, filter element 22 is top is a plurality of inclined baffle 23, air current channel is all formed between each inclined baffle 23 and the box lateral wall, guarantee the circulation of air, inclined baffle 23 sets up in a staggered way, the length of whole runner has been prolonged, raise dust through filter element 22 falls in the separation rear portion of inclined baffle 23, the dust output has been reduced to a certain extent, the dust content in the air flowing to the outside of the cement bin 1 is not high, the air is discharged outwards through the filtering of the filter screen 51 in the filter box 5 and the filtering of the filter tank 6, the accumulation of cement ash in the filter box 5 is slow, and the air can be recovered when the air blower 4 blows air without frequent cleaning.

After the cement bin 1 is fed, a branch switch valve communicated with the outside air is opened on a pipeline connected with a filter box 5 and a filter tank 6, the branch switch valve inserted into the filter tank 6 is closed, an air blower 4 starts to work to blow air into the cement bin 1, meanwhile, a vibration generator 3 between the outer side wall of a dust removal box body 2 and the inner wall of the cement bin 1 works to shake and recover cement ash attached to each inclined baffle 23 and a filter element 22 in cooperation with the air blower 4, the air blower 4 is connected with the filter box 5, the cement ash in the filter box 5 can be carried while the air is blown into the cement bin 1 and is recovered into the cement bin 1, the air blower 4 stops working after the cement ash is recovered, and a cover plate 41 at the air outlet of the air blower 4 covers an air outlet.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Claims

1. Clean dust collector in cement bin, its characterized in that: including setting up in cement bin (1) and with cement bin (1) round platform form dust removal box (2) at common top, clearance department between the lateral wall of dust removal box (2) and cement bin (1) inner wall is equipped with vibration generator (3), the bottom of dust removal box (2) is equipped with a plurality of through-hole (21), be provided with filter core (22) downwards along through-hole (21), be equipped with a plurality of slope baffle (23) from top to bottom in dust removal box (2), all be formed with airflow channel between every slope baffle (23) and the box lateral wall, two airflow channel adjacent about wantonly are all crisscross distribution, dust removal box (2) top is equipped with air-blower (4), air-blower (4) are connected with rose box (5), rose box (5) are connected with filtering ponds (6).

2. The cement silo cleaning and dedusting device as claimed in claim 1, wherein: the included angle that a plurality of slope baffle (23) and horizontal plane formed according to from top to bottom order crescent.

3. The cement silo cleaning and dedusting device as claimed in claim 1, wherein: the filter element (22) comprises a wire mesh inner container (221), and filter cloth (222) is coated on the outer side of the wire mesh inner container (221).

4. The cement silo cleaning and dedusting device as claimed in claim 1, wherein: and an air outlet of the air blower (4) is provided with a cover plate (41), and the cover plate (41) is rotatably connected with the top of the dust removal box body (2).

5. The cement silo cleaning and dedusting device as claimed in claim 1, wherein: and a plurality of layers of filter screens (51) are arranged in the filter box (5).

6. The cement silo cleaning and dedusting device as claimed in claim 1, wherein: the filter box (5) and the filter tank (6) are both arranged on the top of the dust removal box body (2).

7. The cement silo cleaning and dedusting device as claimed in claim 1, wherein: and two branches are arranged on a pipeline connected with the filter box (5) and the filter tank (6), one branch is inserted into the filter tank (6), the other branch is communicated with the outside air, and each branch is provided with a switch valve.