CN102580429B - Waste gas dust removal system for calcium carbide furnace - Google Patents
Waste gas dust removal system for calcium carbide furnace Download PDFInfo
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- CN102580429B CN102580429B CN201210044909.8A CN201210044909A CN102580429B CN 102580429 B CN102580429 B CN 102580429B CN 201210044909 A CN201210044909 A CN 201210044909A CN 102580429 B CN102580429 B CN 102580429B
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- waste gas
- calcium carbide
- furnace
- shower nozzle
- down pipe
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Abstract
The invention discloses a waste gas dust removal system for calcium carbide furnace. The system is characterized in that a top end outlet of a waste gas chimney of a calcium carbide furnace is communicated with a waste gas blow-down pipe which faces to downwards slantingly; each recycling header pipe of the calcium carbide furnace slants upwards to communicate the waste gas blow-down pipe with a scrubber tower; at least one first nozzle is arranged in the waste gas blown-down pipe; at least one second nozzle is arranged in the scrubber tower; the number of the calcium carbide furnace is preferably eight arranged in one row, each four share one recycling header pipe; the scrubber tower is arranged between two calcium carbide furnaces to supply water for the first nozzle, the second nozzle and the recycling header pipe through a water pool and a water pump; and nitrogen is always introduced at the two ends of the recycling header pipe. According to the system provided by the invention, the furnace gas is introduced to the scrubber tower by the chimney effect of the waste furnace gas, fog-like water is sprayed in the pipeline and the scrubber tower, and the dust in the waste gas is collected by making use of the affinity of dust to water, thereby achieving the effect that no black smoke comes out from the chimney.
Description
Technical field
The invention belongs to environmental protection technical field, relate to the control technology of the waste gas of furnace of calcium carbide, be specifically related to a kind of waste gas dust removal system for calcium carbide furnace.
Background technology
In furnace of calcium carbide running, produce a large amount of tail gas, adopt dry-dedusting system dedusting more, dry method dust process is subject to the restriction of waste gas flue temperature, if temperature is lower, can produce a large amount of dense smoke, and serious environment pollution makes dust removing effects not good.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of waste gas dust removal system for calcium carbide furnace, with the stack effect of waste furnace gas, furnace gas is introduced to aeration tower, in pipeline and aeration tower, spray vaporific water, utilize the affinity of dust to water, by the trapping dust in waste gas, thereby reach the not effect of over-emitting black exhaust of chimney.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of waste gas dust removal system for calcium carbide furnace, the top outlet of the waste gas chimney 1 of furnace of calcium carbide is communicated with the waste gas blow-down pipe 2 under oblique, the recovery house steward 3 of furnace of calcium carbide is communicated with waste gas blow-down pipe 2 and aeration tower 4 obliquely, in waste gas blow-down pipe 2, at least one first shower nozzle 5 is set, at least one second shower nozzle is set in aeration tower 4.
The quantity of described the first shower nozzle 5 is three, and the water yield of each the first shower nozzle 5 is 50m
3/ h, the quantity of the second shower nozzle is six, is separately positioned on different At The Heights, the water yield 20m of each the second shower nozzle
3/ h.
The top of described waste gas chimney 1 arranges a pair of flange that 8 word blind plates are housed, and on the pipeline that described waste gas chimney 1 is connected with recovery house steward 3, a pair of flange that 8 word blind plates are housed is also set.
Described recovery house steward 3 two ends are connected with nitrogen.
Described the first shower nozzle 5 is provided with stop valve, and interlocks with the waste air valve of waste gas chimney 1.
The quantity of described furnace of calcium carbide is eight, and be positioned at same row, be followed successively by the first~eight furnace of calcium carbide, described aeration tower 4 is arranged between the 4th and the 5th furnace of calcium carbide, each furnace of calcium carbide arranges independent waste gas blow-down pipe 2, waste gas blow-down pipe 2 on first, second, third and the 4th furnace of calcium carbide is communicated with a recovery house steward obliquely successively, and the waste gas blow-down pipe 2 on the 8th, the 7th, the 6th and the 5th furnace of calcium carbide is communicated with another recovery house steward obliquely successively.
Position at first furnace of calcium carbide and the 8th furnace of calcium carbide is symmetrical arranged respectively pond, pond is communicated with corresponding recovery house steward, and being communicated with corresponding the first shower nozzle 5 and the second shower nozzle, is that the first shower nozzle 5 and the second shower nozzle supply water by water pump, and the flow of water pump is 300m
3/ h.
Described aeration tower 4 installation sites are higher two meters than pond.
Compared with prior art, the present invention introduces aeration tower with the stack effect of waste furnace gas by furnace gas, sprays vaporific water in pipeline and aeration tower, utilizes the affinity of dust to water, by the trapping dust in waste gas, thereby reaches the not effect of over-emitting black exhaust of chimney.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, describe embodiments of the present invention in detail.
Embodiment mono-
As shown in Figure 1, a kind of waste gas dust removal system for calcium carbide furnace, the top outlet of the waste gas chimney 1 of furnace of calcium carbide is communicated with the waste gas blow-down pipe 2 under oblique, one end of the recovery house steward 3 of furnace of calcium carbide is communicated with waste gas blow-down pipe 2 and aeration tower 4 obliquely, the other end that reclaims house steward 3 extend in pond, in waste gas blow-down pipe 2, three the first shower nozzles 5 are set, the water yield of each the first shower nozzle 5 is 50m
3/ h, arranges six the second shower nozzles in aeration tower 4, lay respectively at different At The Heights, the water yield 20m of each the second shower nozzle
3/ h, the first shower nozzle 5 is provided with stop valve, and interlocks with the waste air valve of waste gas chimney 1.
For convenience of maintenance, the top of waste gas chimney 1 arranges a pair of flange that 8 word blind plates are housed, and on the pipeline that waste gas chimney 1 is connected with recovery house steward 3, a pair of flange that 8 word blind plates are housed is also set.
For guaranteeing malleation work, reclaim house steward 3 two ends and be connected with nitrogen.
During work, pond is that the first shower nozzle 5 and the second shower nozzle supply water by water pump, and when waste air valve is opened, the stop valve of interlock is also opened, and the first shower nozzle 5 starts water spray, and the water yield reaches 50m
3/ h, makes the flue dust in waste gas enter into and reclaim house steward 3 along the waste gas blow-down pipe 2 under oblique, under the effect of nitrogen, is sent to aeration tower 4, in aeration tower 4, and the second shower nozzle water spray, the water yield reaches 20m
3/ h, every layer of shower nozzle works alone, further by smoke catching at aeration tower 4 with reclaim in house steward, now to reclaiming house steward, supply water, the dust depositing in pipe is taken away, thereby has been avoided chimney over-emitting black exhaust.
Embodiment bis-
A kind of waste gas dust removal system for calcium carbide furnace, have eight furnaces of calcium carbide, and be positioned at same row, be followed successively by the first~eight furnace of calcium carbide, the top outlet of the waste gas chimney 1 of each furnace of calcium carbide is communicated with the waste gas blow-down pipe 2 under oblique, aeration tower 4 is arranged between the 4th and the 5th furnace of calcium carbide, first, second, waste gas blow-down pipe 2 on third and fourth furnace of calcium carbide is communicated with a recovery house steward obliquely successively, the 8th, the 7th, waste gas blow-down pipe 2 on the 6th and the 5th furnace of calcium carbide is communicated with another recovery house steward obliquely successively, position at first furnace of calcium carbide and the 8th furnace of calcium carbide is symmetrical arranged respectively pond, pond is communicated with corresponding recovery house steward, and with corresponding the first shower nozzle 5 and the second shower nozzle and recovery house steward connection, by water pump, be that the first shower nozzle 5 and the second shower nozzle supply water, the flow of water pump is 300m
3/ h, arranges three the first shower nozzles 5 in each waste gas blow-down pipe 2, the water yield of each the first shower nozzle 5 is 50m
3/ h, arranges six the second shower nozzles in aeration tower 4, lay respectively at different At The Heights, the water yield 20m of each the second shower nozzle
3/ h, the first shower nozzle 5 is provided with stop valve, and with interlock with the waste air valve of waste gas chimney 1.
For convenience of maintenance, the top of each waste gas chimney 1 arranges a pair of flange that 8 word blind plates are housed, and on the pipeline that each waste gas chimney 1 is connected with corresponding recovery house steward, a pair of flange that 8 word blind plates are housed is also set.
Rule is comparatively reasonably set is, aeration tower 4 installation sites are higher two meters than pond.
For guaranteeing malleation work, reclaim house steward 3 two ends and be connected with nitrogen.
During work, pond is that corresponding the first shower nozzle 5 and the second shower nozzle supply water by water pump, and when waste air valve is opened, the stop valve of interlock is also opened, and the first shower nozzle 5 starts water spray, and the water yield reaches 50m
3/ h, makes the flue dust in waste gas enter into corresponding recovery house steward along the waste gas blow-down pipe 2 under oblique, under the effect of nitrogen, is sent to aeration tower 4, in aeration tower 4, and the second shower nozzle water spray, the water yield reaches 20m
3/ h, every layer of shower nozzle works alone, further by smoke catching at aeration tower 4 with reclaim in house steward, now with water pump, to reclaiming house steward, supply water, the dust depositing in pipe is taken away, thereby has been avoided chimney over-emitting black exhaust.
Claims (5)
1. a waste gas dust removal system for calcium carbide furnace, the top outlet of the waste gas chimney (1) of furnace of calcium carbide is communicated with the waste gas blow-down pipe (2) under oblique, the recovery house steward (3) of furnace of calcium carbide is communicated with waste gas blow-down pipe (2) and aeration tower (4) obliquely, in waste gas blow-down pipe (2), three the first shower nozzles (5) are set, the water yield of each the first shower nozzle (5) is 50m
3/ h; Six the second shower nozzles are set in aeration tower (4), are separately positioned on different At The Heights, the water yield 20m of each the second shower nozzle
3/ h, it is characterized in that, the top of described waste gas chimney (1) arranges a pair of flange that 8 word blind plates are housed, on the pipeline that described waste gas chimney (1) is connected with recovery house steward (3), a pair of flange that 8 word blind plates are housed is also set, described the first shower nozzle (5) is provided with stop valve, and interlocks with the waste air valve of waste gas chimney (1).
2. waste gas dust removal system for calcium carbide furnace according to claim 1, is characterized in that, described recovery house steward (3) two ends are connected with nitrogen.
3. waste gas dust removal system for calcium carbide furnace according to claim 1, it is characterized in that, the quantity of described furnace of calcium carbide is eight, and be positioned at same row, be followed successively by the first~eight furnace of calcium carbide, described aeration tower (4) is arranged between the 4th and the 5th furnace of calcium carbide, each furnace of calcium carbide arranges independent waste gas blow-down pipe (2), first, second, waste gas blow-down pipe (2) on third and fourth furnace of calcium carbide is communicated with a recovery house steward obliquely successively, the 8th, the 7th, waste gas blow-down pipe (2) on the 6th and the 5th furnace of calcium carbide is communicated with another recovery house steward obliquely successively.
4. waste gas dust removal system for calcium carbide furnace according to claim 3, it is characterized in that, position at first furnace of calcium carbide and the 8th furnace of calcium carbide is symmetrical arranged respectively pond, and pond is communicated with corresponding recovery house steward, and is communicated with corresponding the first shower nozzle (5) and the second shower nozzle.
5. waste gas dust removal system for calcium carbide furnace according to claim 4, is characterized in that, by water pump, is that the first shower nozzle (5) and the second shower nozzle supply water, and the flow of water pump is 300m
3/ h.
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CN201210044909.8A CN102580429B (en) | 2012-02-24 | 2012-02-24 | Waste gas dust removal system for calcium carbide furnace |
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CN201210044909.8A CN102580429B (en) | 2012-02-24 | 2012-02-24 | Waste gas dust removal system for calcium carbide furnace |
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CN102580429A CN102580429A (en) | 2012-07-18 |
CN102580429B true CN102580429B (en) | 2014-04-16 |
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CN103182232B (en) * | 2013-03-21 | 2015-10-28 | 新疆天业(集团)有限公司 | The processing method of micro-dust in a kind of calcium carbide stove exhaust |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2334747Y (en) * | 1998-01-07 | 1999-08-25 | 首钢总公司 | Device for recovering carbon dioxide by dry process dust-removing |
CN101816873A (en) * | 2010-05-06 | 2010-09-01 | 云南云维股份有限公司 | Method and device for purifying calcium carbide furnace tail gas by using negative pressure dry process |
CN101892344A (en) * | 2010-07-30 | 2010-11-24 | 中冶南方工程技术有限公司 | Dry dedusting system for converter gas and using method thereof |
CN102183155A (en) * | 2011-03-25 | 2011-09-14 | 宝钢工程技术集团有限公司 | Smoke high-temperature dust removal and steam and coal gas recovery system and method for calcium carbide furnace |
-
2012
- 2012-02-24 CN CN201210044909.8A patent/CN102580429B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2334747Y (en) * | 1998-01-07 | 1999-08-25 | 首钢总公司 | Device for recovering carbon dioxide by dry process dust-removing |
CN101816873A (en) * | 2010-05-06 | 2010-09-01 | 云南云维股份有限公司 | Method and device for purifying calcium carbide furnace tail gas by using negative pressure dry process |
CN101892344A (en) * | 2010-07-30 | 2010-11-24 | 中冶南方工程技术有限公司 | Dry dedusting system for converter gas and using method thereof |
CN102183155A (en) * | 2011-03-25 | 2011-09-14 | 宝钢工程技术集团有限公司 | Smoke high-temperature dust removal and steam and coal gas recovery system and method for calcium carbide furnace |
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