CN211069497U - Multistage mixing dust removal device - Google Patents
Multistage mixing dust removal device Download PDFInfo
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- CN211069497U CN211069497U CN201921384407.3U CN201921384407U CN211069497U CN 211069497 U CN211069497 U CN 211069497U CN 201921384407 U CN201921384407 U CN 201921384407U CN 211069497 U CN211069497 U CN 211069497U
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- dust removal
- dust
- removal device
- electrostatic
- multistage
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- 239000000428 dust Substances 0.000 title claims abstract description 199
- 238000002156 mixing Methods 0.000 title claims description 8
- 239000004744 fabric Substances 0.000 claims abstract description 14
- 238000002955 isolation Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000012717 electrostatic precipitator Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 230000005686 electrostatic field Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000005367 electrostatic precipitation Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- -1 2.2 Substances 0.000 description 1
- 241001233242 Lontra Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a multistage mixed dust removal device, including air inlet loudspeaker, clean room and air-out loudspeaker, the clean room includes first order dust collector, dust device and the second grade dust collector that sets gradually from air inlet loudspeaker to air-out loudspeaker, the below of clean room is equipped with the ash bucket; the first-stage dust removing device comprises a cloth bag dust removing component and a first electrostatic dust removing component which are arranged from top to bottom in sequence. Through increasing sack dust removal component on first electrostatic precipitator subassembly, can collect the raise dust that first electrostatic precipitator subassembly produced at the deashing in-process, also can guarantee whole dust removal effect as reserve dust collector simultaneously during first electrostatic precipitator subassembly dust collection efficiency descends, through increasing dust device and second grade dust collector at first order dust collector air outlet, can effectively get rid of the secondary raise dust that first order dust collector air outlet goes out.
Description
Technical Field
The utility model relates to a multistage dust collector that mixes.
Background
In the production process of industries such as steel, metallurgy, electric power and the like, the generated dust gas is generally purified by using an electric dust remover. The electric dust collector is generally provided with a plurality of electrostatic fields which are sequentially arranged from an inlet to an outlet in a casing, each electrostatic field is composed of a plurality of dust removing electrode plates which are arranged in parallel, and a gallery is arranged between two adjacent electrostatic fields. When the dust gas passes through the electric dust collector, dust particles in the dust gas are adsorbed by the dust collection electrode plate, so that the purposes of purification and dust removal are achieved.
In the process, the existing electric dust removing device has the following defects:
1) because the air inlet is horn-shaped, dust particles adsorbed by the central area of the dedusting electrode plate are gradually increased, the dust particles adsorbed by the peripheral area of the dedusting electrode plate are less, when the dust particles are accumulated to a certain degree, the central area of the dedusting electrode plate needs to be subjected to ash removal treatment, otherwise the dedusting effect of the electric precipitator is seriously influenced, and at the moment, the peripheral area of the dedusting electrode plate does not reach the degree of needing ash removal, so that the utilization rate of the whole dedusting electrode plate is not high;
2) the ash removal mode is online ash removal, namely the ash removal process and the purification process are carried out simultaneously, so that the secondary dust generated during ash removal reduces the dust removal efficiency of the dust remover.
SUMMERY OF THE UTILITY MODEL
In order to achieve the technical purpose, the utility model provides a multistage dust collector that mixes has solved the problem in the background art.
The utility model provides a multistage mixed dust removal device, including air inlet loudspeaker, clean room and air-out loudspeaker, the clean room includes first order dust collector, dust device and the second grade dust collector that sets gradually from air inlet loudspeaker to air-out loudspeaker, the below of clean room is equipped with the ash bucket; the first-stage dust removing device comprises a cloth bag dust removing component and a first electrostatic dust removing component which are arranged up and down in sequence; at least one isolation plate is arranged in the dust falling device, and the isolation plate is fixedly connected with the upper surface or the lower surface of the dust falling device; the second-stage dust removal device is a second electrostatic dust removal component.
Preferably, the upper part of the dust falling device is provided with a spray assembly, and the spray assembly comprises at least one spray head.
Preferably, a plurality of guide plates are arranged inside the air inlet horn, and the guide plates divide the air inlet horn into a plurality of air inlet channels.
Preferably, the sizes of the air inlet channels at the same longitudinal section are the same. The air supply process is more uniform through the guide plate.
Preferably, a plurality of clamping grooves are formed in two inner side surfaces of the air inlet loudspeaker, and two ends of the guide plate are detachably connected with the clamping grooves in the two inner side surfaces of the air inlet loudspeaker respectively.
Preferably, the bag-type dust collection assembly is arranged above the first electrostatic dust collection assembly, and the bag-type dust collection assembly comprises a plurality of uniformly distributed cluster-type module bags and a centrifugal fan arranged above the cluster-type module bags. The bag-type dust collection assembly can effectively control secondary dust emission when the first electrostatic dust collection assembly carries out the ash removal process, and can be used as a standby dust collection device to guarantee the overall dust collection effect during the reduction of the dust collection efficiency of the first electrostatic dust collection assembly.
Preferably, the bag-type dust removal assembly further comprises at least one transparent screen plate, each cluster module bag is arranged in meshes of the transparent screen plate, and one side of the transparent screen plate is further connected with a mechanical vibration device. Mechanical vibration device can clear up the dust in the sack, and the vibration of penetrating apron drives the sack and produces the vibration in the horizontal direction to make the interior sedimentary dust of sack break away from the whereabouts, effectively avoid the sack to appear the phenomenon that the dust hardens on the surface, improve the life of device.
Preferably, the first electrostatic dust removal component is internally provided with electrostatic dust removal cleaning spray pipes at intervals.
Preferably, the first electrostatic dust collection assembly comprises dust collection poles arranged at intervals, a dust collection channel is formed between every two adjacent dust collection poles, a plurality of discharge electrodes are arranged in the dust collection channel at intervals, the dust collection poles are connected with the positive pole of the power supply, and the discharge electrodes are connected with the negative pole of the power supply.
Preferably, the discharge electrode is a wire electrode or a barbed electrode.
Preferably, the second electrostatic precipitation assembly has the same structure as the first electrostatic precipitation assembly.
The utility model has the advantages of as follows or beneficial effect:
1) the utility model adopts a multi-stage mixed dust removal device, a dust removal device is arranged between a first-stage dust removal device and a second-stage dust removal device, and the gas after the first-stage dust removal is subjected to dust removal through a spraying device, so that secondary dust raising is effectively prevented, and the load of the second-stage dust removal device is reduced; the air supply channel which is meandered is arranged in the dust settling device, so that the dust settling effect is better;
2) the utility model provides a multistage mixing dust removal device, through setting up the guide plate in the air inlet loudspeaker inside, make the air current distribution that gets into in the dust removal chamber more even, the regional and central area around the dust removal electrode plate is evenly utilized, can not produce in the part and pile up thereby seriously influence the dust removal effect of electrostatic precipitator, improve the work efficiency of whole dust removal electrode plate;
3) the utility model provides a multistage mixing dust removal device, which can collect the secondary dust generated by the first electrostatic dust removal component in the ash removal process by adding a cloth bag dust removal component on the first electrostatic dust removal component, and can also be used as a standby dust removal device to ensure the whole dust removal effect during the reduction of the dust removal efficiency of the first electrostatic dust removal component; through increasing dust device and second grade dust collector at first order dust collector air outlet, can effectively get rid of the secondary raise dust that first order dust collector air outlet goes out.
Drawings
Fig. 1 is a schematic view of the multistage mixing dust removing device provided by the present invention.
The reference numbers illustrate:
1. the air inlet loudspeaker, 2, clean room, 2.1, first level dust collector, 2.11, sack dust removal subassembly, 2.12, first electrostatic precipitator subassembly, 2.13, centrifugal fan, 2.14, penetrating otter board, 2.15, the utmost point that gathers dust, 2.2, dust device, 2.21, division board, 2.3, second level dust collector, 3, air-out loudspeaker, 4, ash bucket.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in fig. 1, the utility model provides a multistage dust collector that mixes, including air inlet loudspeaker 1, clean room 2 and air-out loudspeaker 3, clean room 2 includes first order dust collector 2.1, dust device 2.2 and second level dust collector 2.3 that set gradually from air inlet loudspeaker 1 to air-out loudspeaker 3, the below of clean room 2 is equipped with ash bucket 4, and wherein the gaseous dust content in first order dust collector 2.1 is the biggest, and consequently first order dust collector 2.1's load is the biggest, produces the secondary raise dust most easily.
Wherein, first order dust collector 2.1 is including the sack dust removal subassembly 2.11 and the first electrostatic precipitator subassembly 2.12 that set gradually from top to bottom, the equal fixed connection of the equal ash bucket 4 of sack dust removal subassembly 2.11 and first electrostatic precipitator subassembly 2.12 and its below is on external frame, air inlet loudspeaker 1 and air outlet loudspeaker 3 are installed respectively in external frame's both sides, and respectively with dust removal chamber 2 link up and form flue gas channel.
The cloth bag dust removal component 2.11 is arranged above the first electrostatic dust removal component 2.12, and the cloth bag dust removal component 2.11 comprises a plurality of uniformly distributed cluster type module cloth bags and a centrifugal fan 2.13 arranged above the cluster type module cloth bags. The cloth bag dust removal component 2.11 can effectively control the upward elegant secondary dust raising during the ash removal process of the electric dust removal component 2.12, and can be used as a standby dust removal device to ensure the overall dust removal effect during the reduction of the dust removal efficiency of the first electrostatic dust removal component 2.12.
The cloth bag dust removal component 2.11 further comprises at least one transparent screen plate 2.14, each cluster type module cloth bag is arranged in meshes of the transparent screen plate 2.14, and one side of the transparent screen plate 2.14 is further connected with a mechanical vibration device (not shown in the figure). The mechanical vibration device can drive the transparent screen plate 2.14 to move in a small range in the horizontal direction, so that the rapid movement of the transparent screen plate 2.14 drives the cloth bag to vibrate in the horizontal direction, the deposited dust in the cloth bag falls off, the phenomenon that the dust is hardened on the surface of the cloth bag is effectively avoided, and the service life of the device is prolonged.
The first electrostatic dust collection component 2.12 comprises dust collection electrodes 2.15 arranged at intervals, a dust collection channel is formed between every two adjacent dust collection electrodes 2.15, a plurality of discharge electrodes (not shown in the figure) are arranged in the dust collection channel at intervals, the dust collection electrodes 2.15 are connected with the positive electrode of a power supply, and the discharge electrodes are connected with the negative electrode of the power supply. The working principle of the first electrostatic precipitator component 2.12 is the prior art, and is not described herein. Preferably, the discharge electrode is a wire electrode or a barbed electrode. Preferably, the first electrostatic dust removal component 2.12 is internally provided with electrostatic dust removal cleaning spray pipes at intervals.
An air inlet of the dust falling device 2.2 is connected with an air outlet of the first-stage dust removing device 2.1, at least one isolation plate 2.21 is arranged inside the dust falling device 2.2, preferably, three isolation plates 2.21 are arranged, the isolation plates 2.21 are arranged at intervals, one end of each isolation plate 2.21 is fixedly connected with the upper surface or the lower surface of the dust falling device 2.2, and the isolation plates are used for configuring the inside of the dust falling device 2.2 into a winding air supply channel; along with division board 2.21's quantity gradually increasing, flue gas passageway total length in the dust device 2.2 gradually increases to can acquire better dust fall effect, during the use, can select division board 2.21's quantity according to actual need. Dust and impurity remaining in the gas that gets into dust device 2.2 from first order dust collector 2.1 can further get rid of when the air supply passageway through dust device 2.2, dust device 2.2's upper portion still disposes spray set, spray set includes at least one shower head, can be when gaseous process, further handles gas for reduce the secondary raise dust that floats dirt and produce from first order dust collector 2.1 air outlet department.
The second stage dust collector 2.3 is a second electrostatic dust collection assembly, and the structure thereof is the same as that of the first electrostatic dust collection assembly, which is not described herein again. The secondary dust generated from the air outlet of the first-stage dust removing device 2.1 can be removed to the maximum extent by the arrangement of the second-stage dust removing device 2.3, and the dust removing efficiency of the whole mixed dust removing device is ensured.
The utility model discloses a novel air inlet loudspeaker, including air inlet loudspeaker 1, air inlet loudspeaker 1 is inside to be equipped with multi-disc guide plate 1.1, guide plate 1.1 with air inlet loudspeaker 1 can fixed connection, also can swing joint, guide plate 1.1 will a plurality of inlet air channel is cut apart into to air inlet loudspeaker 1, when adopting swing joint's guide plate 1.1, is equipped with a plurality of radial draw-in grooves on two lateral walls of air inlet loudspeaker 1, and the both ends of guide plate 1.1 are dismantled with the draw-in groove respectively and are connected, can select to increase or reduce the quantity of guide plate 1.1 according to the air inlet flow of difference to adjust every inlet air channel.
Every inlet air channel is the same at the size of same longitudinal section department, can be so that the air supply process is more even, inlet air horn 1's air outlet with the air intake looks adaptation of first electrostatic precipitator subassembly 2.12 through setting up the inlet air channel that the size is the same in same longitudinal section department, can make the utilization ratio all around of dust removal electrode board the same with central zone's utilization ratio or be close to improve the work efficiency of whole dust removal electrode board.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The multistage mixed dust removal device is characterized by comprising an air inlet loudspeaker (1), a dust removal chamber (2) and an air outlet loudspeaker (3), wherein the dust removal chamber (2) comprises a first-stage dust removal device (2.1), a dust removal device (2.2) and a second-stage dust removal device (2.3) which are sequentially arranged from the air inlet loudspeaker (1) to the air outlet loudspeaker (3), and an ash hopper (4) is arranged below the dust removal chamber (2); the first-stage dust removal device (2.1) comprises a cloth bag dust removal component (2.11) and a first electrostatic dust removal component (2.12) which are arranged up and down in sequence; at least one isolation plate (2.21) is arranged in the dust falling device (2.2), and the isolation plate (2.21) is fixedly connected with the upper surface or the lower surface of the dust falling device (2.2); the second-stage dust removal device (2.3) is a second electrostatic dust removal component.
2. Multistage hybrid dust removal device according to claim 1, characterized in that the upper part of the dust fall device (2.2) is provided with a spray assembly comprising at least one spray header.
3. The multistage mixing dust removal device according to claim 1, wherein a plurality of guide plates (1.1) are arranged inside the air intake horn (1), and the guide plates (1.1) divide the air intake horn (1) into a plurality of air intake channels.
4. The multistage hybrid dedusting apparatus as set forth in claim 1, wherein each of the air intake passages has the same size at the same longitudinal section.
5. The multistage mixing dust removal device according to claim 3, wherein a plurality of clamping grooves are formed in two inner side surfaces of the air inlet horn (1), and two ends of the guide plate (1.1) are detachably connected with the clamping grooves in the two inner side surfaces of the air inlet horn (1) respectively.
6. The multistage hybrid dust removal device according to claim 1, wherein the bag house dust removal assembly (2.11) is arranged above the first electrostatic dust removal assembly (2.12), the bag house dust removal assembly (2.11) comprising a plurality of uniformly distributed bundled modular bags and a centrifugal fan (2.13) arranged above the bundled modular bags.
7. The multistage hybrid dust removal device according to claim 6, wherein the bag-type dust removal assembly (2.11) further comprises at least one through mesh plate (2.14), each clustered module bag is arranged in meshes of the through mesh plate (2.14), and a mechanical vibration device is further connected to one side of the through mesh plate (2.14).
8. The multistage hybrid dust removal device according to claim 1, wherein an electrostatic dust removal cleaning shower pipe is arranged at intervals in the first electrostatic dust removal assembly (2.12).
9. The multistage mixing dust removal device according to claim 1, wherein the first electrostatic dust removal assembly (2.12) comprises dust collection electrodes (2.15) arranged at intervals, a dust removal channel is formed between every two adjacent dust collection electrodes (2.15), a plurality of discharge electrodes are arranged at intervals in the dust removal channel, the dust collection electrodes (2.15) are connected with a positive electrode of a power supply, and the discharge electrodes are connected with a negative electrode of the power supply.
10. The multistage hybrid dust removing device according to claim 9, wherein the discharge electrode is a wire electrode or a barbed electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921384407.3U CN211069497U (en) | 2019-08-25 | 2019-08-25 | Multistage mixing dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921384407.3U CN211069497U (en) | 2019-08-25 | 2019-08-25 | Multistage mixing dust removal device |
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| Publication Number | Publication Date |
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| CN211069497U true CN211069497U (en) | 2020-07-24 |
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| CN201921384407.3U Active CN211069497U (en) | 2019-08-25 | 2019-08-25 | Multistage mixing dust removal device |
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| CN (1) | CN211069497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394015A (en) * | 2019-08-25 | 2019-11-01 | 湖北强达环保科技股份有限公司 | Multistage mixed dust removal device and system |
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2019
- 2019-08-25 CN CN201921384407.3U patent/CN211069497U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394015A (en) * | 2019-08-25 | 2019-11-01 | 湖北强达环保科技股份有限公司 | Multistage mixed dust removal device and system |
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