CN215782451U - Bag type dust collector with built-in cyclone - Google Patents
Bag type dust collector with built-in cyclone Download PDFInfo
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- CN215782451U CN215782451U CN202120144605.3U CN202120144605U CN215782451U CN 215782451 U CN215782451 U CN 215782451U CN 202120144605 U CN202120144605 U CN 202120144605U CN 215782451 U CN215782451 U CN 215782451U
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- bag
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- type dust
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- 239000000428 dust Substances 0.000 title claims abstract description 85
- 238000007664 blowing Methods 0.000 claims description 51
- 238000005192 partition Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
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- Filtering Of Dispersed Particles In Gases (AREA)
- Cyclones (AREA)
Abstract
The utility model discloses a bag type dust collector with built-in cyclone, which comprises a bag type dust collector shell, a fixed clapboard, a built-in cyclone separator and a plurality of bag filter elements, wherein the built-in cyclone separator is positioned in the bag type dust collector shell, the fixed clapboard is fixed in the bag type dust collector shell, the fixed clapboard is provided with a plurality of through holes, one through hole corresponds to one bag filter element, each bag filter element is communicated with the corresponding through hole, the built-in cyclone separator is positioned below each bag filter element, and a dust-containing gas input pipeline penetrates through the side wall of the bag type dust collector shell to be communicated with the built-in cyclone separator.
Description
Technical Field
The utility model belongs to a bag type dust collector, and particularly relates to a bag type dust collector with built-in cyclone.
Background
The bag type dust collector is a dust collecting device which uses fiber material filter cloth to filter and remove dust in gas, the dust collecting principle of the bag type dust collector is that when dust-containing air flows through a filter bag filter element, the dust flows through the filter bag filter element to generate the combined action of multiple aspects such as screening, collision, hooking, diffusion, gravity, static electricity and the like, so that dust is retained on the surface of the filter bag when the dust-containing air flows through the dust collector, and then the dust-containing gas is purified, and the purifying efficiency can reach more than 90%. The bag type dust collector has the characteristics of high filtering precision, large treatment capacity and low cost, and is widely applied to coal gasification and dust removal of coal-fired power stations.
When the bag collector to the heavy-air volume designs the lectotype, need increase the quantity of sack filter core in the bag collector, the volume of bag collector has been increased simultaneously, in addition, when needs carry out the blowback deashing to the sack filter core, because the increase of sack filter core, must increase the consumption of blowback gas, blowback pulse valve is easy fatigue damage, running cost and energy consumption are higher, the effect of blowback is also relatively poor simultaneously, serious influence sack cleaner is at the ash content height, the application of large-traffic gas dust removal direction.
Therefore, it is necessary to design a bag-type dust collector that can process the dust-containing gas with high ash content and large flow rate, and has small volume, low cost and low consumption of back-blowing gas to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a bag type dust collector with built-in cyclone, which can realize dust removal of gas with high ash content and large flow and has the characteristics of small volume, low cost and low consumption of back-blowing gas.
In order to achieve the purpose, the bag type dust collector with the built-in cyclone comprises a bag type dust collector shell, a fixed partition plate, a built-in cyclone separator and a plurality of bag type filter elements, wherein the built-in cyclone separator is positioned in the bag type dust collector shell, the fixed partition plate is fixed in the bag type dust collector shell, a plurality of through holes are formed in the fixed partition plate, each through hole corresponds to one bag type filter element, each bag type filter element is communicated with the corresponding through hole, the built-in cyclone separator is positioned below each bag type filter element, and a dust-containing gas input pipeline penetrates through the side wall of the bag type dust collector shell to be communicated with the built-in cyclone separator.
The built-in cyclone separator is fixed in the shell of the bag-type dust collector through a fixed lacing wire.
The top of the built-in cyclone separator is of an inverted cone structure.
The bag-type dust collector further comprises a back-blowing gas input pipeline, a back-blowing main pipe and back-blowing nozzles, wherein the back-blowing main pipe and the back-blowing nozzles are located in the bag-type dust collector shell, the back-blowing main pipe and the back-blowing nozzles are located above the fixed partition plate, the outlet of the back-blowing gas input pipeline penetrates through the side wall of the bag-type dust collector shell and is communicated with the back-blowing main pipe, the inlet of each back-blowing nozzle is communicated with the back-blowing main pipe, one back-blowing nozzle corresponds to one through hole, and the outlet of each back-blowing nozzle is located right above the corresponding through hole.
The central line of the built-in cyclone separator is superposed with the central line of the shell of the bag-type dust collector.
Each blowback nozzle is positioned below the blowback main pipe.
The utility model has the following beneficial effects:
the bag type dust collector with the built-in cyclone adopts the principle of two-stage filtration when in specific operation, the built-in cyclone separator is arranged in the shell of the bag type dust collector, when in operation, dust-containing gas is firstly input into the built-in cyclone separator for pre-dedusting treatment, then the dust-containing gas ascends into the shell of the bag type dust collector and is subjected to two-stage dedusting through the bag type filter element, and finally the dust-containing gas is discharged through the through hole and the gas outlet at the top of the bag type dust collector so as to realize the two-stage filtration and dedusting of the dust-containing gas, the utility model can realize the treatment of high-flow high-dust-containing gas by carrying out two-stage filtration and dedusting on the dust-containing gas, simultaneously, the number of the bag type filter elements is not increased, the volume of the bag type dust collector is avoided to be increased, when the dust-containing gas with the same flow is treated, compared with the prior art, the utility model has the characteristics of small volume, low cost and small consumption of back-blowing gas, the practicability is extremely strong, and the popularization and the application are convenient.
Furthermore, the top of the built-in cyclone separator is of an inverted cone structure, so that dust particles on the cloth bag filter element are prevented from falling and depositing on the top of the built-in cyclone separator when the cloth bag filter element is reversely swept.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a bag-type dust collector shell, 2 is a bag-type filter core, 3 is a fixed baffle, 4 is a back-blowing main pipe, 5 is a back-blowing gas input pipeline, 6 is a back-blowing nozzle, 7 is a dust-containing gas input pipeline, 8 is a built-in cyclone separator, and 9 is a fixed lacing wire.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the bag type dust collector with built-in cyclone of the utility model comprises a bag type dust collector shell 1, a fixed partition plate 3, a built-in cyclone separator 8 and a plurality of bag type filter elements 2, wherein the built-in cyclone separator 8 is positioned in the bag type dust collector shell 1, the fixed partition plate 3 is fixed in the bag type dust collector shell 1, the fixed partition plate 3 is provided with a plurality of through holes, one through hole corresponds to one bag type filter element 2, each bag type filter element 2 is communicated with the corresponding through hole, the built-in cyclone separator 8 is positioned below each bag type filter element 2, and a dust-containing gas input pipeline penetrates through the side wall of the bag type dust collector shell 1 and is communicated with the built-in cyclone separator 8.
The built-in cyclone separators 8 are fixed in the bag-type dust collector shell 1 through the fixed tie bars 9, the number of the fixed tie bars 9 is multiple, the built-in cyclone separators 8 are fixed in the bag-type dust collector shell 1, and the central lines of the built-in cyclone separators 8 and the bag-type dust collector shell 1 are overlapped.
The bag-type dust collector also comprises a back-blowing gas input pipeline 5, a back-blowing main pipe 4 and branch-blowing nozzles, wherein the back-blowing main pipe 4 and the back-blowing nozzles 6 are positioned in the bag-type dust collector shell 1, the back-blowing main pipe 4 and the back-blowing nozzles 6 are positioned above the fixed partition plate 3, the outlet of the back-blowing gas input pipeline 5 penetrates through the side wall of the bag-type dust collector shell 1 to be communicated with the back-blowing main pipe 4, the inlet of each back-blowing nozzle 6 is communicated with the back-blowing main pipe 4, one back-blowing nozzle 6 corresponds to one through hole, the outlet of each back-blowing nozzle 6 is positioned right above the corresponding through hole, each back-blowing nozzle 6 is positioned below the back-blowing main pipe 4, the top of the built-in cyclone separator 8 is of a back-taper structure, and particles on the bag filter element 2 are prevented from falling behind and depositing on the top of the built-in cyclone separator 8 when the bag filter element 2 is reversely blown.
The specific working process of the utility model is as follows:
the dust-containing gas enters a built-in cyclone separator 8 through a dust-containing gas input pipeline 7 for pre-dedusting, then rises into a bag-type dust remover shell 1, then is deeply dedusted through a bag-type filter element 2, and finally is discharged through a through hole and a gas outlet at the top of the bag-type dust remover shell 1.
When the bag filter element 2 needs to be purged, the back blowing gas is input into the back blowing header pipe 4 through the back blowing gas input pipeline 5, then is sprayed into the bag filter element 2 through the back blowing nozzle 6 to clean particles on the outer surface of the bag filter element 2, enters the built-in cyclone separator 8 through the top opening of the built-in cyclone separator 8, and finally reversely flows out through the dust-containing gas input pipeline 7.
Wherein, the top of built-in cyclone 8 is the back taper structure, when preventing to carry out reverse purge to sack filter core 2, deposits the top of built-in cyclone 8 after the granule on the sack filter core 2 falls.
It should be noted that, in the present invention, the built-in cyclone separator 8 is arranged inside the conventional bag-type dust collector, the dust-containing gas is pre-dedusted by the built-in cyclone separator 8, and the gas dedusted by the built-in cyclone separator 8 rises again to enter the bag-type filter element 2 for deep dedusting, wherein the top of the built-in cyclone separator 8 is of an inverted cone structure, so as to prevent dust falling by back flushing from depositing on the top of the built-in cyclone separator 8.
Claims (1)
1. The bag type dust collector with the built-in cyclone is characterized by comprising a bag type dust collector shell (1), a fixed partition plate (3), a built-in cyclone separator (8) and a plurality of bag type filter elements (2), wherein the built-in cyclone separator (8) is positioned in the bag type dust collector shell (1), the fixed partition plate (3) is fixed in the bag type dust collector shell (1), a plurality of through holes are formed in the fixed partition plate (3), one through hole corresponds to one bag type filter element (2), each bag type filter element (2) is communicated with the corresponding through hole, the built-in cyclone separator (8) is positioned below each bag type filter element (2), and a dust-containing gas input pipeline penetrates through the side wall of the bag type dust collector shell (1) and is communicated with the built-in cyclone separator (8);
the built-in cyclone separator (8) is fixed in the shell (1) of the bag-type dust collector through a fixed lacing wire (9);
the number of the fixed lacing wires (9) is more than or equal to 2;
the top of the built-in cyclone separator (8) is of an inverted cone structure;
the bag-type dust collector is characterized by further comprising a back-blowing gas input pipeline (5), a back-blowing main pipe (4) and back-blowing nozzles (6), wherein the back-blowing main pipe (4) and the back-blowing nozzles (6) are located in the bag-type dust collector shell (1), the back-blowing main pipe (4) and the back-blowing nozzles (6) are located above the fixed partition plate (3), an outlet of the back-blowing gas input pipeline (5) penetrates through the side wall of the bag-type dust collector shell (1) to be communicated with the back-blowing main pipe (4), inlets of the back-blowing nozzles (6) are communicated with the back-blowing main pipe (4), one back-blowing nozzle (6) corresponds to one through hole, and an outlet of each back-blowing nozzle (6) is located right above the corresponding through hole;
the central line of the built-in cyclone separator (8) is superposed with the central line of the shell (1) of the bag-type dust collector;
each blowback nozzle (6) is positioned below the blowback main pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120144605.3U CN215782451U (en) | 2021-01-19 | 2021-01-19 | Bag type dust collector with built-in cyclone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120144605.3U CN215782451U (en) | 2021-01-19 | 2021-01-19 | Bag type dust collector with built-in cyclone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215782451U true CN215782451U (en) | 2022-02-11 |
Family
ID=80125954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120144605.3U Active CN215782451U (en) | 2021-01-19 | 2021-01-19 | Bag type dust collector with built-in cyclone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215782451U (en) |
-
2021
- 2021-01-19 CN CN202120144605.3U patent/CN215782451U/en active Active
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