CN101862570A - Filter bag dust removal method of rhombic filter bag dust remover - Google Patents
Filter bag dust removal method of rhombic filter bag dust remover Download PDFInfo
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- CN101862570A CN101862570A CN201010186542A CN201010186542A CN101862570A CN 101862570 A CN101862570 A CN 101862570A CN 201010186542 A CN201010186542 A CN 201010186542A CN 201010186542 A CN201010186542 A CN 201010186542A CN 101862570 A CN101862570 A CN 101862570A
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- Prior art keywords
- filter bag
- bag dust
- rhombic
- dust removal
- removal method
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000428 dust Substances 0.000 title claims abstract description 53
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 25
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 238000005243 fluidization Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000000391 smoking effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 6
- 238000009835 boiling Methods 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 5
- 238000005868 electrolysis reaction Methods 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 14
- 239000003546 flue gas Substances 0.000 description 14
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 244000144985 peep Species 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention relates to aluminum smelting industry, in particular to a filter bag dust removal method of a rhombic filter bag dust remover in an aluminum electrolysis purification process. The filter bag dust removal method of the rhombic filter bag dust remover of the invention is realized through a dust removal air cylinder, a rhombic filter bag, an inlet smoke passage, an outlet smoke passage, a left box body, a right box body, a funnel, a fluidizaton boiling bed, a counter blowing pipeline and a quick opening hole. The method of the invention comprises the following steps: 1) a smoke suction step, 2) a purification step, 3) a smoke exhaust step, 4) a dust removal step, and 5) an alumina absorbed fluoride circulation use step. The invention dismounts an air supply blower of the rhombic filter bag used for dust removal, uses natural air to enter a bag filter chamber through the quick opening hole, removes the dust from the rhombic filter bag through the action of the dust removal air cylinder, has convenient use and reliable performance, greatly reduces the environment pollution and the energy consumption, and reduces the electricity consumption under the condition of using the same filter area of the dust remover. The invention is applicable to all rhombic filter bag dust removers in industrial application.
Description
Technical field
The present invention relates to the aluminum smelting technology industry, specifically relate to a kind of filter bag dust removal method of rhombic filter bag dust remover of aluminum electrolytic decontamination process.
Background technology
The electrolysis flue gas cleaning equipment that the aluminum current electrolysis is used, mainly contain rhombic filter bag blowback wind deduster and off-line pulse dust collector, rhombic filter bag blowback wind deduster operation principle is for sucking the flue gas that electrolytic cell produced in the deduster by induced-draft fan, fresh aluminum oxide is fully mixed with flue gas, remove hydrogen fluoride gas, will purify to such an extent that flue gas enters in the atmosphere then; And fresh aluminum oxide becomes fluorinated alumina, and the boiling of fluorinated alumina by the deduster ebullated bed flows into and return chute and send into Pneumatic lift and mention and carry a fluorine feed bin and recycle; By back blowing machine filter bag is carried out blowback and finish filter bag ash removal, blow the aluminium oxide that adheres on the filter bag off and recycle.Because the back blowing machine commentaries on classics of not stopping transport in a day 24 hours, the energy waste situation is serious, and equipment operating cost height, environmental pollution are big.
Summary of the invention
The technical problem to be solved in the present invention is at the deficiencies in the prior art, and a kind of a kind of filter bag dust removal method of rhombic filter bag dust remover of aluminum electrolysis flue gas purification equipment filter bag ash removal is provided.
A kind of filter bag dust removal method of rhombic filter bag dust remover of the present invention comprises deashing cylinder, rhombic filter bag, import and export flue, left and right sides casing, funnel, fluidization ebullated bed, reverse-blow pipe road, fast perforate, and described a kind of filter bag dust removal method of rhombic filter bag dust remover may further comprise the steps:
1) smoking step: be meant by induced-draft fan the flue gas that electrolytic cell produced is sucked in the deduster by importing and exporting flue;
2) purifying step: be to instigate fresh aluminum oxide fully to be mixed, remove hydrogen fluoride gas with flue gas;
3) smoke evacuation step: be meant the purification flue gas is discharged in the atmosphere by discharge flue;
4) deashing step: be meant with reverse-blow pipe road that deduster left and right sides casing communicates on, a fast perforate is installed, according to the atmospheric pressure principle, the pressure reduction that produces between box house and the outside when utilizing deduster work, natural air is sucked deduster left and right sides casing by the reverse-blow pipe road, by the action of deashing cylinder, remove the fluorinated alumina that adheres on the rhombic filter bag;
5) fluorinated alumina recycles step: be meant that fluorinated alumina passes through the boiling of deduster funnel, fluidization ebullated bed, flow into and to return chute and send into Pneumatic lift and mention and carry a fluorine feed bin and recycle.
Western cleaning shop has 12 dedusters, layout in left and right sides, about each 6 deduster, described reverse-blow pipe road is that the steel pipe of 500mm～800mm is welded, draw on the top in the middle of every deduster casing, is arranged in the central gangway of top layer of cleaning shop.
Described fast perforate is for to process Φ 100mm～200mm circular hole respectively on the reverse-blow pipe road of drawing from casing, and vertical fast perforate of welding a Φ 100mm～200mm in the circular hole position, the internal diameter of fast perforate should be consistent with the aperture of cutting circular hole, fast perforate is the size that is used for regulating intake, satisfy and produce the requirement of using, remove this and also can be used as the peep hole of service work.
Respectively be divided into 6 bag houses in the casing of the deduster left and right sides, totally 12 bag houses, per two bag houses are one group of arranging symmetrically, and each bag house evenly hangs, is placed with 120 of rhombic filter bags, and described deashing cylinder is installed in the centre of every group of bag house of deduster left and right sides casing, each organizes two deashing cylinders, totally 12, during work, the deashing cylinder vibrated in per 60～120 seconds, the disk of deashing air cylinder base is pressed into bag house with clean air, and rhombic filter bag is carried out deashing.
A kind of filter bag dust removal method of rhombic filter bag dust remover of the present invention has following beneficial effect compared with prior art: a kind of filter bag dust removal method of rhombic filter bag dust remover of the present invention has been removed the air feed blower fan of rhombic filter bag deashing, utilize natural air to enter bag and consider the chamber by fast perforate, the rhombic filter bag deashing is carried out in action by the deashing cylinder, easy to use, dependable performance, and greatly reduced environmental pollution and energy consumption. using under the identical deduster filter area, reduced power consumption.The dedusting fan model of removing is: the 4-68N05A type, technical parameter is: Q=14490M
3/ h P=2350Pa N=15Kw by the running in 24 hours of every motor every day, produces actual practical 4 motors, annual electricity 500,000 degree of approximately saving.The present invention is applicable to all rhombic filter bag dust removers of commercial Application.
Description of drawings
A kind of filter bag dust removal method of rhombic filter bag dust remover of the present invention has following accompanying drawing:
Fig. 1 is a rhombic filter bag dust removers structural representation left view of the present invention;
Fig. 2 is a rhombic filter bag dust removers structural representation front view of the present invention;
Fig. 3 is a kind of filter bag dust removal method of rhombic filter bag dust remover line arrangement of the present invention structural representation;
Fig. 4 is the fast open-celled structure vertical view of a kind of filter bag dust removal method of rhombic filter bag dust remover of the present invention;
Fig. 5 is the fast open-celled structure front view of a kind of filter bag dust removal method of rhombic filter bag dust remover of the present invention.
Wherein: 1, deashing cylinder; 2, rhombic filter bag; 3, import and export flue; 4, left and right sides casing; 5, funnel; 6, fluidization ebullated bed; 7, reverse-blow pipe road; 8, fast perforate.
The specific embodiment
Below in conjunction with drawings and Examples a kind of filter bag dust removal method of rhombic filter bag dust remover technical scheme of the present invention is further described.
As Fig. 1-shown in Figure 4, a kind of filter bag dust removal method of rhombic filter bag dust remover of the present invention comprises deashing cylinder 1, rhombic filter bag 2, import and export flue 3, left and right sides casing 4, funnel 5, fluidization ebullated bed 6, reverse-blow pipe road 7, fast perforate 8, and described a kind of filter bag dust removal method of rhombic filter bag dust remover may further comprise the steps:
1) smoking step: be meant by induced-draft fan the flue gas that electrolytic cell produced is sucked in the deduster by importing and exporting flue 3;
2) purifying step: be to instigate fresh aluminum oxide fully to be mixed, remove hydrogen fluoride gas with flue gas;
3) smoke evacuation step: be meant the purification flue gas is discharged in the atmosphere by discharge flue;
4) deashing step: be meant with reverse-blow pipe road 7 that deduster left and right sides casing 4 communicates on, a fast perforate 8 is installed, according to the atmospheric pressure principle, the pressure reduction that produces between box house and the outside when utilizing deduster work, natural air is sucked deduster left and right sides casing 4 by reverse-blow pipe road 7, by 1 action of deashing cylinder, remove the fluorinated alumina that adheres on the rhombic filter bag 2;
5) fluorinated alumina recycles step: be meant that fluorinated alumina passes through the boiling of deduster funnel 5, fluidization ebullated bed 6, flow into and to return chute and send into Pneumatic lift and mention and carry a fluorine feed bin and recycle.
Western cleaning shop has 12 dedusters, layout in left and right sides, about each 6 deduster, described reverse-blow pipe road 7 is welded for the steel pipe of 500mm～800mm, draw on the top in the middle of every deduster casing, is arranged in the central gangway of top layer of cleaning shop.
Described fast perforate 8 is for to process Φ 100mm～200mm circular hole respectively on the reverse-blow pipe road 7 of drawing from casing, and vertical fast perforate 8 of welding a Φ 100mm～200mm in the circular hole position, the internal diameter of fast perforate 8 should be consistent with the aperture of cutting circular hole, fast perforate 8 is the sizes that are used for regulating intake, satisfy and produce the requirement of using, remove this and also can be used as the peep hole of service work.
Respectively be divided into 6 bag houses in the deduster left and right sides casing 4, totally 12 bag houses, per two bag houses are one group of arranging symmetrically, and each bag house evenly hangs, is placed with 2120 of rhombic filter bags, and described deashing cylinder 1 is installed in the centre of 4 every groups of bag houses of deduster left and right sides casing, each organizes two deashing cylinders 1, totally 12, during work, deashing cylinder 1 vibrated in per 60～120 seconds, the disk of deashing cylinder 1 base is pressed into bag house with clean air, and rhombic filter bag 2 is carried out deashing.
During work, the flue gas that electrolytic cell produced is sucked in the deduster, fresh aluminum oxide is fully mixed with flue gas, remove hydrogen fluoride gas, will purify to such an extent that flue gas enters in the atmosphere then by induced-draft fan; And fresh aluminum oxide becomes fluorinated alumina, and fluorinated alumina is by the boiling of deduster funnel 5, fluidization ebullated bed 6, flows into to return chute and send into Pneumatic lift and mention and carry a fluorine feed bin and recycle; The 7 fast perforates 8 of deduster reverse-blow pipe road are opened, natural air sucks deduster left and right sides casing 4 by reverse-blow pipe road 7, deashing cylinder 1 vibrated in per 60～120 seconds, and the disk of deashing cylinder 1 base is pressed into bag house with clean air, removed the fluorinated alumina that adheres on the rhombic filter bag 2.
Claims (3)
1. a filter bag dust removal method of rhombic filter bag dust remover comprises deashing cylinder (1), rhombic filter bag (2), import and export flue (3), left and right sides casing (4), funnel (5), fluidization ebullated bed (6), reverse-blow pipe road (7), fast perforate (8), and it is characterized in that: described a kind of filter bag dust removal method of rhombic filter bag dust remover may further comprise the steps: 1) smoking step; 2) purifying step; 3) smoke evacuation step; 4) deashing step; 5) fluorinated alumina recycles step.
2. a kind of filter bag dust removal method of rhombic filter bag dust remover according to claim 1, it is characterized in that: described reverse-blow pipe road (7) is welded for the steel pipe of 500mm～800mm, draw on the top in the middle of every deduster casing, is arranged in the central gangway of top layer of cleaning shop.
3. a kind of filter bag dust removal method of rhombic filter bag dust remover according to claim 1, it is characterized in that: described fast perforate (8) is for to process Φ 100mm～200mm circular hole respectively on the reverse-blow pipe road (7) of drawing from casing, and the vertical fast perforate (8) of welding a Φ 100mm～200mm in the circular hole position, the internal diameter of fast perforate (8) should be consistent with the aperture of cutting circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010186542A CN101862570A (en) | 2010-05-20 | 2010-05-20 | Filter bag dust removal method of rhombic filter bag dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010186542A CN101862570A (en) | 2010-05-20 | 2010-05-20 | Filter bag dust removal method of rhombic filter bag dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101862570A true CN101862570A (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010186542A Pending CN101862570A (en) | 2010-05-20 | 2010-05-20 | Filter bag dust removal method of rhombic filter bag dust remover |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2538404Y (en) * | 2002-01-15 | 2003-03-05 | 惠德跃 | Self-sucking reverse-blowing dust cleaning bag type duster |
| EP1882510A1 (en) * | 2006-07-26 | 2008-01-30 | Bha Group, Inc. | Filter cleaning system and method |
| CN201231110Y (en) * | 2008-07-30 | 2009-05-06 | 陕西航鑫航空技术发展有限公司 | Automatic ash-removing flat bag type dust collector |
| CN201342295Y (en) * | 2008-12-30 | 2009-11-11 | 科林环保装备股份有限公司 | Low-pressure multi-station direct-spraying dust removing device of bag filter |
-
2010
- 2010-05-20 CN CN201010186542A patent/CN101862570A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2538404Y (en) * | 2002-01-15 | 2003-03-05 | 惠德跃 | Self-sucking reverse-blowing dust cleaning bag type duster |
| EP1882510A1 (en) * | 2006-07-26 | 2008-01-30 | Bha Group, Inc. | Filter cleaning system and method |
| CN201231110Y (en) * | 2008-07-30 | 2009-05-06 | 陕西航鑫航空技术发展有限公司 | Automatic ash-removing flat bag type dust collector |
| CN201342295Y (en) * | 2008-12-30 | 2009-11-11 | 科林环保装备股份有限公司 | Low-pressure multi-station direct-spraying dust removing device of bag filter |
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Application publication date: 20101020 |