CN219292346U - Dust device and dust pelletizing system in advance - Google Patents

Abstract

The utility model provides a pre-dust-settling device and a dust removal system, wherein the pre-dust-settling device comprises an air draft dust hood, a pre-dust-settling device, a dust removal fan and a dust removal valve, the air draft dust hood is arranged above material conveying equipment, the air draft dust hood is connected with the pre-dust-settling device through a first air draft pipeline, an inlet of the dust removal fan is connected with the pre-dust-settling device through a second air draft pipeline, and the dust removal valve is arranged at an outlet of the dust removal fan. The utility model designs a pre-dust-settling device, which can control the exhaust pressure of a branch pipe pipeline through a dust removal fan, avoid local air quantity excess, reduce large-particle materials from being sucked, and is provided with a pre-dust-settling device, so that pre-dust-settling treatment can be carried out, large-particle dust is reduced from entering the pipeline, and the stable operation of a dust removal system is ensured.

Description

Dust device and dust pelletizing system in advance

Technical Field

The utility model relates to the technical field of dust removal equipment, in particular to a pre-dust-settling device and a dust removal system.

Background

In the existing industrial production, including steel industry, colored industry, chemical industry, electric power industry, food processing industry, tobacco processing industry and the like, a dust removing system is generally large-scale concentrated dust removal, namely dust-containing gas generated in the production process is concentrated and collected, transported to a concentrated dust removing device through a dust removing branch pipe and a main pipe, purified by a dust remover, and the purified gas is directly discharged into the atmosphere, and the general procedures are dust collecting cover-dust removing branch pipe-main pipe-cloth bag dust removing-fan-chimney.

Therefore, the existing centralized dust removal system is designed to be basically integrated, and particularly for material transportation, local air quantity is excessive due to difficulty in balancing the air quantity, large-particle materials which are not required to be treated can be pumped away by the dust collection cover, so that not only is the material lost caused, but also large-particle dust is deposited in the branch pipe pipeline and the main pipe pipeline, and the normal operation of the follow-up whole dust removal system is affected.

Disclosure of Invention

The utility model aims to solve the technical problem of avoiding material loss in the station dust extraction process and reducing large-particle dust from entering a pipeline.

In order to solve the technical problems, the utility model provides a pre-dust-settling device which comprises an air draft dust hood, a pre-dust-settling device, a dust removal fan and a dust removal valve, wherein the air draft dust hood is arranged above material conveying equipment, the air draft dust hood is connected with the pre-dust-settling device through a first air draft pipeline, an inlet of the dust removal fan is connected with the pre-dust-settling device through a second air draft pipeline, and the dust removal valve is arranged at an outlet of the dust removal fan.

Compared with the prior art, the pre-dust-settling device has the advantages that the dust-settling fan can control the exhaust pressure of the branch pipe pipeline, the local air quantity is prevented from being excessive, the large-particle materials are reduced from being sucked, the pre-dust-settling device is arranged, the pre-dust-settling treatment can be performed, the large-particle dust is reduced from entering the pipeline, and the stable operation of a dust-settling system is ensured.

Further, the pre-dust-settling device comprises a dust-settling shell, a dust-settling zone, an air outlet zone and a collecting zone are arranged in the dust-settling shell, a filter screen is arranged between the dust-settling zone and the air outlet zone, the collecting zone is positioned at the lower part of the dust-settling shell, the dust-settling zone and the air outlet zone are positioned above the collecting zone, the dust-settling zone is communicated with the collecting zone, a first air suction pipeline is connected with the dust-settling zone, and a second air suction pipeline is connected with the air outlet zone. Dust-containing gas sucked by the suction hood can enter the pre-dust-settling device, coarse particles are filtered by the filter screen and cannot pass through the filter screen and enter the collecting area, and fine particles of dust enter the pipeline after passing through the air outlet area, so that large particle dust can be prevented from entering the pipeline, and stable operation of a dust removal system is facilitated.

Further, a vibration device is arranged on the filter screen. The vibration device can clean ash on the filter screen, so that the meshes are ensured not to be blocked.

Further, a dust exhaust valve is arranged at the bottom of the dust fall shell. The large-particle dust stored in the collecting area can be discharged from the bottom of the dust falling shell, so that dust recycling is facilitated.

Further, the dust exhaust valve is connected with a dust exhaust pipe, and an outlet of the dust exhaust pipe is positioned above the material conveying equipment. The collecting area can collect part of large-particle materials, and the large-particle materials can be directly returned to conveying equipment through the dust exhaust pipe, so that material loss is reduced.

Further, the bottom of the collecting area is conical, and the dust exhaust pipe is obliquely arranged. Therefore, other acting forces are not required to be applied, and large-particle dust can be automatically discharged under the action of gravity.

Further, the edge of the exhaust dust hood is provided with a dust collection baffle which extends downwards. The dust collection baffle is arranged to be favorable for the suction hood to suck dust-containing gas, so that dust emission is avoided.

Further, the pre-dust-settling device further comprises a handheld dust hood, and the handheld dust hood is connected with the first exhaust pipeline through a dust collection hose. The handheld dust hood can clean post dust and keep the working environment clean.

Further, a dust collection valve is arranged on the dust collection hose. Post dust clearance can be carried out when needs, then closes dust absorption valve when need not to clear up, avoids the amount of wind extravagant.

The utility model also provides a dust removal system which comprises a plurality of the pre-dust-settling devices. Dust pelletizing system can set up dust device in advance at the multiple spot, and each point wind pressure can be adjusted as required, effectively extracts the post dust, reduces material loss, prevents simultaneously that large granule dust from getting into the pipeline.

Drawings

Fig. 1 is a schematic structural diagram of a dust pre-settling device according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a pre-dust-settling device according to an embodiment of the present utility model.

Reference numerals illustrate:

11-exhaust dust hood, 111-dust collection baffle, 12-pre-dust collector, 121-dust-falling shell, 122-dust-falling area, 123-air outlet area, 124-collecting area, 125-filter screen, 126-vibration device, 127-dust discharge valve, 128-dust discharge pipe, 13-dust removal fan, 14-dust removal valve, 15-hand-held dust hood, 161-dust collection hose, 162-dust collection valve, 163-first exhaust pipeline, 164-second exhaust pipeline and 17-material conveying equipment.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like numerals and letters indicate like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures; arrows in the figure indicate the flow direction of the fluid.

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

The embodiment of the utility model provides a pre-dust-settling device which is arranged near dust-producing equipment and is used for pre-treating post dust. As shown in fig. 1 and 2, the pre-dust-settling device includes an exhaust hood 11, a pre-dust-settling device 12, a dust-settling fan 13, and a dust-settling valve 14. The suction hood 11 is connected to the pre-dust collector 12 via a first suction duct 163, the suction hood 11 being arranged above the material conveying device 17 for sucking dust gas. The inlet of the dust removal fan 13 is connected with the pre-dust-settling device 12 through a second exhaust pipeline 164, and the dust removal fan 13 is used for providing post exhaust power and dust removal main pipe air supply power. The dust removal valve 14 is arranged at the outlet of the dust removal fan 13, the dust removal branch pipe is connected with the dust removal valve 14, and the dust removal valve 14 is closed to cut off the pre-dust removal device of the corresponding branch pipe. The dust pre-settling device can control the exhaust pressure of the branch pipe pipeline through the dust removing fan 13, so that the local air quantity is prevented from being excessive.

In a preferred embodiment, the edge of the suction hood 11 is provided with a dust suction baffle 111 extending downwards, which is beneficial for the suction hood 11 to suck dust-containing gas and avoid dust emission.

Referring to fig. 1, the pre-dust-settling device further includes a handheld dust hood 15, where the handheld dust hood 15 is connected to the first air suction pipe 163 through a dust suction hose 161, and the handheld dust hood 15 can clean post dust and keep the working environment clean. The dust collection valve 162 is arranged on the dust collection hose 161, post dust cleaning can be performed when needed, and the dust collection valve 162 is closed when cleaning is not needed, so that air quantity waste is avoided.

The pre-dust collector 12 in the pre-dust collector is used for settling large-particle materials and dust, avoiding the blockage of a dust collection main pipe and reducing the material loss. Referring to FIG. 2, pre-dustfall apparatus 12 includes a dustfall housing 121, and the interior of dustfall housing 121 includes a dustfall zone 122, an air outlet zone 123, and a collection zone 124. A filter screen 125 is arranged between the dust settling area 122 and the air outlet area 123, the collecting area 124 is positioned at the lower part of the dust settling shell 121, the dust settling area 122 and the air outlet area 123 are positioned above the collecting area 124, the dust settling area 122 is communicated with the collecting area 124, the first air draft pipeline 163 is connected with the dust settling area 122, and the second air draft pipeline 164 is connected with the air outlet area 123. Dust-containing gas sucked by the suction hood 11 enters the pre-dust-settling device 12, coarse particles are filtered by the filter screen 125, cannot pass through the filter screen 125 and enter the collecting area 124, and fine particles of dust enter the pipeline after passing through the air outlet area 123, so that large particle dust can be prevented from entering the main dust-removing pipe, and stable operation of a dust-removing system is facilitated.

In a preferred embodiment, the filter screen 125 is provided with a vibration device 126, which can clean the filter screen 125, so as to ensure that the meshes are not blocked.

The bottom of the dust fall shell 121 is provided with a dust discharge valve 127, the dust discharge valve 127 is connected with a dust discharge pipe 128, and an outlet of the dust discharge pipe 128 is positioned above the material conveying equipment 17. The large-particle dust stored in the collecting area 124 can be discharged from the bottom of the dust falling shell 121, so that dust can be recycled, and part of large-particle materials can be directly returned to the conveying equipment through the dust discharging pipe 128, so that material loss is reduced.

In the preferred embodiment, the bottom of the collection area 124 is tapered and the dust exhaust 128 is disposed at an incline. Therefore, other acting forces are not required to be applied, and large-particle dust can be automatically discharged under the action of gravity.

Another embodiment of the present utility model provides a dust removal system, including a plurality of the pre-dust-settling devices in the foregoing embodiments. This dust pelletizing system sets up dust device in advance at the multiple spot, and each point wind pressure can be adjusted as required, effectively extracts the post dust, reduces material loss, prevents simultaneously that large granule dust from getting into the pipeline, guarantees system steady operation.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The utility model provides a dust device in advance, its characterized in that includes convulsions suction hood (11), pre-dust fall ware (12), dust removal fan (13) and dust removal valve (14), convulsions suction hood (11) set up in material conveying equipment (17) top, convulsions suction hood (11) with pre-dust fall ware (12) are connected through first convulsions pipeline (163), the import of dust removal fan (13) with pre-dust fall ware (12) are connected through second convulsions pipeline (164), dust removal valve (14) set up the export of dust removal fan (13).

2. The pre-dust settling device according to claim 1, wherein the pre-dust settling device (12) comprises a dust settling shell (121), a dust settling zone (122), an air outlet zone (123) and a collecting zone (124) are arranged in the dust settling shell (121), a filter screen (125) is arranged between the dust settling zone (122) and the air outlet zone (123), the collecting zone (124) is arranged at the lower part of the dust settling shell (121), the dust settling zone (122) and the air outlet zone (123) are arranged above the collecting zone (124), the dust settling zone (122) is communicated with the collecting zone (124), the first air suction pipeline (163) is connected with the dust settling zone (122), and the second air suction pipeline (164) is connected with the air outlet zone (123).

3. The pre-dust-settling device according to claim 2, characterized in that the filter screen (125) is provided with a vibration device (126).

4. The pre-dust settling device as claimed in claim 2, characterized in that the dust settling housing (121) is provided with a dust discharge valve (127) at the bottom.

5. The pre-dust-settling device as claimed in claim 4, characterized in that the dust-discharging valve (127) is connected with a dust-discharging pipe (128), the outlet of the dust-discharging pipe (128) being located above the material-conveying means (17).

6. The pre-dust device according to claim 5, characterized in that the bottom of the collecting zone (124) is conical and the dust discharge pipe (128) is arranged obliquely.

7. Pre-dust device according to claim 1, characterized in that the edge of the suction hood (11) is provided with a downwardly extending suction baffle (111).

8. The pre-dust device according to claim 1, further comprising a handheld suction hood (15), the handheld suction hood (15) being connected to the first suction duct (163) by a suction hose (161).

9. The pre-dust-settling device as claimed in claim 8, characterized in that the dust-collecting hose (161) is provided with a dust-collecting valve (162).

10. A dust removal system comprising a plurality of pre-dust removal devices as claimed in any one of claims 1 to 9.

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