CN106152801B - A kind of baking flue gas tar controlling device and method - Google Patents
A kind of baking flue gas tar controlling device and method Download PDFInfo
- Publication number
- CN106152801B CN106152801B CN201510194712.6A CN201510194712A CN106152801B CN 106152801 B CN106152801 B CN 106152801B CN 201510194712 A CN201510194712 A CN 201510194712A CN 106152801 B CN106152801 B CN 106152801B
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- China
- Prior art keywords
- tar
- ash bucket
- flue gas
- incinerator
- flue
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Chimneys And Flues (AREA)
- Electrostatic Separation (AREA)
Abstract
The present invention relates to a kind of baking flue gas tar controlling device and methods, it is ash bucket that the lower part of electrical tar precipitator, which is equipped with, incinerator is equipped with below ash bucket, tar in ash bucket is sent in incinerator, the output end of incinerator is connect with hot fume coil pipe one end on ash bucket is wrapped in, flue gas is sent to flue collector to the hot fume coil pipe other end or electrical tar precipitator smoke-intake pipe, incinerator are connect with gas pipeline and air blower.Advantages of the present invention effect: the present invention can completely remove the tar that electrical tar precipitator traps in baking flue gas, reduce stockpiling space and and the later period landfill harm of tar.The usage amount of ash bucket heat preservation steam can also be reduced, the tar be conducive in ash bucket is smoothly discharged by the waste heat for having handled tar generation to heat electrical tar precipitator ash bucket.With biggish market use value.
Description
Technical field
The present invention relates to a kind of tar controlling device and method, more particularly, to a kind of baking flue gas tar controlling device and
Method, is mainly used in aluminum electrolysis industry the improvement of tar in baking flue gas, and carbon element factory's pitch dissolves, green anode workshop pitch
The improvement of tar and other industries for generating tar and combustible dust gas in flue gas, such as electrode, coking and oil refining row
Industry.
Background technique
The main pollutant in aluminum electrolysis industry carbon element factory is the baking flue gas generated during anode-baking, in these flue gases
Contain tar (glance coal) and some other dust.The general processing unit of baking flue gas is that baking flue gas first passes through cooling at present
Tower cooling, using the tar and most dust in electrical tar precipitator trapping flue gas, then through the dry method system such as cloth bag
Handle the fluoride in flue gas.
The tar that electrical tar precipitator traps regularly is discharged by ash bucket.Tar has very big viscosity, can generally glue
It is attached on the side wall of ash bucket, is not easily cleaned, need when discharge to carry out high-temperature steam heating in the external of ash bucket side wall, or in ash bucket
Inside increase hot steam so that tar soften, from ash bucket be discharged.
Tar after discharge due to can not generally be utilized again, need to concentrate stacking containing other sundries such as dust, and
Periodically carry out the processing units such as innoxious landfill, strange land burning.Due to the viscosity of tar, the tar that ash bucket is discharged can fast rapid hardening
Gu tar has very strong hardness and the caking property with chamber wall after solidification, it is not easily cleaned and carries.Even if stockpiling, can also account for
With a large amount of space and container.
Not only labor intensity is high for the device of this processing tar, and occupies a large amount of space and resource, corrodes equipment, dirt
Dye object processing is not thorough, also needs the problem of carrying out innoxious landfill, may cause secondary pollution.The thinking and device can be thorough
The tar in flue gas is managed in bottom, and will not generate secondary pollution.
Therefore a kind of baking flue gas tar controlling device is needed, processing is newly-built and the roasting cigarette that existing carbon element factory generates is transformed
Gas tar mitigates the labor intensity of worker, realizes that system is more stable to meet the needs with the following national environmental standard now
Reliable operation.
Summary of the invention
The present invention relates to a kind of baking flue gas tar controlling device and methods for the above-mentioned purpose, it is therefore an objective to completely remove roasting
The tar that electrical tar precipitator traps in flue gas is burnt, stockpiling space and and the later period landfill harm of tar are reduced.
In order to achieve the above objectives, the present invention is implemented as follows: a kind of baking flue gas tar controlling device, electrical tar precipitator
To be equipped be ash bucket for lower part, incinerator is equipped with below ash bucket, the tar in ash bucket is sent in incinerator, the output end of incinerator with
Hot fume coil pipe one end is wrapped on ash bucket to connect, the hot fume coil pipe other end by flue gas be sent to flue collector or electrical tar precipitator into
Smoke pipe, incinerator are connect with gas pipeline and air blower.
Asphalt delivery band or screw conveyor are equipped between incinerator and ash bucket.
Pipeline is equipped between asphalt delivery band or screw conveyor and ash bucket, pipeline is equipped with electrically operated valve.
Hot fume coil pipe bending tubes end is in lower section, and hot fume coil pipe smoke end is above.
A kind of administering method of baking flue gas tar controlling device, the tar deposition that electrical tar precipitator traps is in ash bucket
Interior, tar is sent into incinerator, and combustion gas is passed through into incinerator by gas pipeline, is burnt under the action of air blower,
High-temperature flue gas after burning is discharged into flue collector or electrical tar precipitator smoke-intake pipe by the hot fume coil pipe of ash bucket surrounding.
According to after hot fume coil pipe flue-gas temperature determine that flue gas enters flue collector or electrical tar precipitator smoke-intake pipe；When
When flue-gas temperature is higher than 150 DEG C, flue gas is discharged into after flue collector enters back into cooling tower and is sent to electrical tar precipitator；But flue-gas temperature is lower than
At 150 DEG C, flue gas is directly entered in electrical tar precipitator by electrical tar precipitator smoke-intake pipe.
Advantages of the present invention effect: the present invention can completely remove the coke that electrical tar precipitator traps in baking flue gas
Oil reduces stockpiling space and and the later period landfill harm of tar.The waste heat of tar generation can also will have been handled to heat
Electrical tar precipitator ash bucket, reduces the usage amount of ash bucket heat preservation steam, and the tar be conducive in ash bucket is smoothly discharged.With biggish
Market use value.
Detailed description of the invention
Fig. 1 schematic structural view of the invention.
In figure: 1, flue collector；2, cooling tower；3, electrical tar precipitator smoke-intake pipe；4, electrical tar precipitator；5, electrically operated valve；6,
Electric control valve；7, ash bucket；8, hot fume coil pipe；9, smoke pipe；10, asphalt delivery band or screw conveyor；11, incinerator；12,
Gas pipeline；13, air blower.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing, but protection scope of the present invention is not limited by schematic diagram.
A kind of baking flue gas tar controlling device of the present invention as shown in the figure, it is ash bucket 7 that the lower part of electrical tar precipitator 4, which is equipped with,
Incinerator 11 is equipped with below ash bucket 7, the tar in ash bucket 7 is sent in incinerator 11, the output end of incinerator 11 and is wrapped in ash
Flue gas is sent to flue collector 1 or electric tar by smoke pipe 9 by the connection of 8 one end of hot fume coil pipe, 8 other end of hot fume coil pipe on bucket 7
Oily device smoke-intake pipe 3, incinerator 11 are connect with gas pipeline 12 and air blower 13.
Asphalt delivery band or screw conveyor 10 are equipped between incinerator 11 and ash bucket 7.
Pipeline is equipped between asphalt delivery band or screw conveyor 10 and ash bucket 7, pipeline is equipped with electrically operated valve 5.
8 bending tubes end of hot fume coil pipe is in lower section, and 8 smoke end of hot fume coil pipe is above.Electricity is equipped on gas pipeline 12
Dynamic regulating valve 6.
A kind of administering method of baking flue gas tar controlling device, the tar deposition that electrical tar precipitator 4 traps is in ash
In bucket 7, tar is sent into incinerator 11, combustion gas is passed through into incinerator 11 by gas pipeline 12, in air blower 13
The lower burning of effect, the high-temperature flue gas after burning are discharged into flue collector 1 or electrical tar precipitator by the hot fume coil pipe 8 of 7 surrounding of ash bucket
Smoke-intake pipe 3.
According to after hot fume coil pipe 8 flue-gas temperature determine that flue gas enters flue collector 1 or electrical tar precipitator smoke-intake pipe
3；When flue-gas temperature is higher than 150 DEG C, flue gas is discharged into after flue collector 1 enters back into cooling tower 2 and is sent to electrical tar precipitator 4；But flue gas
When temperature is lower than 150 DEG C, flue gas is directly entered in electrical tar precipitator 4 by electrical tar precipitator smoke-intake pipe 3.
11 burner hearth of incinerator sets temperature-detecting device, and air blower 13 is frequency conversion fan.Air blower, electric control valve and outlet
Temperature-detecting device interlocking, the additional amount of the blow rate required and combustion gas is adjusted according to the temperature of exiting flue gas.
The present invention not only can remove the tar of electrical tar precipitator trapping blanking, can also will burn the heat generated after tar
Gas heats electrical tar precipitator ash bucket, is discharged out of ash bucket conducive to tar.Since tar contains higher heat, convenient for burning, because
This need to supplement seldom combustion gas.Electrical tar precipitator of the present invention becomes the processing system of a closed loop, does not need to carry out tar
Secondary treatment had not only reduced the labor intensity of worker, has improved the degree of automation, but also substantially reduced the cost of processing tar.And the work
It is without secondary pollution during skill, pollutant control is thorough, operation and maintenance are simple, low energy consumption, be a kind of very promising roasting
Flue gas processing device.
Claims (6)
1. a kind of baking flue gas tar controlling device, it is characterised in that it is ash bucket, ash bucket lower section that the lower part of electrical tar precipitator, which is equipped with,
Equipped with incinerator, the tar in ash bucket is sent in incinerator, the output end of incinerator and is wrapped in hot fume coil pipe one on ash bucket
Flue gas is sent to flue collector or electrical tar precipitator smoke-intake pipe by end connection, the hot fume coil pipe other end, incinerator and gas pipeline and
Air blower connection.
2. a kind of baking flue gas tar controlling device according to claim 1, it is characterised in that between incinerator and ash bucket
Equipped with asphalt delivery band or screw conveyor.
3. a kind of baking flue gas tar controlling device according to claim 2, it is characterised in that asphalt delivery band or spiral
Pipeline is equipped between conveyer and ash bucket, pipeline is equipped with electrically operated valve.
4. a kind of baking flue gas tar controlling device according to claim 1, it is characterised in that hot fume coil pipe bending tubes end
In lower section, hot fume coil pipe smoke end is above.
5. a kind of administering method of baking flue gas tar controlling device, it is characterised in that the tar that electrical tar precipitator traps is heavy
In ash bucket, tar is sent into incinerator product, combustion gas is passed through into incinerator by gas pipeline, in the effect of air blower
Lower burning, the high-temperature flue gas after burning are discharged into flue collector or electrical tar precipitator smoke-intake pipe by the hot fume coil pipe of ash bucket surrounding.
6. a kind of administering method of baking flue gas tar controlling device according to claim 5, it is characterised in that according to warp
Flue-gas temperature determines that flue gas enters flue collector or electrical tar precipitator smoke-intake pipe after crossing hot fume coil pipe；When flue-gas temperature is higher than
At 150 DEG C, flue gas is discharged into after flue collector enters back into cooling tower and is sent to electrical tar precipitator；But when flue-gas temperature is lower than 150 DEG C, flue gas
It is directly entered in electrical tar precipitator by electrical tar precipitator smoke-intake pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194712.6A CN106152801B (en) | 2015-04-23 | 2015-04-23 | A kind of baking flue gas tar controlling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194712.6A CN106152801B (en) | 2015-04-23 | 2015-04-23 | A kind of baking flue gas tar controlling device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106152801A CN106152801A (en) | 2016-11-23 |
| CN106152801B true CN106152801B (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510194712.6A Expired - Fee Related CN106152801B (en) | 2015-04-23 | 2015-04-23 | A kind of baking flue gas tar controlling device and method |
Country Status (1)
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| CN (1) | CN106152801B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813259A (en) * | 2017-03-22 | 2017-06-09 | 福建省环境工程有限公司 | A kind of device and method for tar processing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB713911A (en) * | 1952-08-26 | 1954-08-18 | Permutit Co Ltd | Improvements in the purification of the effluents from gas-producing plants |
| CN101147891A (en) * | 2007-07-26 | 2008-03-26 | 北京科技大学 | High-performance charge pre-agglomerated electric tar corrector |
| CN101732938A (en) * | 2008-11-26 | 2010-06-16 | 威海市正大环保设备有限公司 | Method and device for electric catching and dry-process purification of carbon baking flue gas |
| CN104001622A (en) * | 2014-05-08 | 2014-08-27 | 浙江大学 | High-temperature electrostatic precipitation system |
| CN204574838U (en) * | 2015-04-23 | 2015-08-19 | 沈阳铝镁科技有限公司 | A kind of baking flue gas tar controlling device |
-
2015
- 2015-04-23 CN CN201510194712.6A patent/CN106152801B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB713911A (en) * | 1952-08-26 | 1954-08-18 | Permutit Co Ltd | Improvements in the purification of the effluents from gas-producing plants |
| CN101147891A (en) * | 2007-07-26 | 2008-03-26 | 北京科技大学 | High-performance charge pre-agglomerated electric tar corrector |
| CN101732938A (en) * | 2008-11-26 | 2010-06-16 | 威海市正大环保设备有限公司 | Method and device for electric catching and dry-process purification of carbon baking flue gas |
| CN104001622A (en) * | 2014-05-08 | 2014-08-27 | 浙江大学 | High-temperature electrostatic precipitation system |
| CN204574838U (en) * | 2015-04-23 | 2015-08-19 | 沈阳铝镁科技有限公司 | A kind of baking flue gas tar controlling device |
Non-Patent Citations (1)
| Title |
|---|
| 《碳素生产用煤气净化及废气余热利用改造工程方案》;耿万林;《山西冶金》;20131031;44-46 |
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| CN106152801A (en) | 2016-11-23 |
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Effective date of registration: 20210527 Address after: No.176-1 Dingxiang street, Sujiatun District, Shenyang, Liaoning 110000 Patentee after: SHENYANG BOYU TECHNOLOGY Co.,Ltd. Address before: 110001 Heping North Street 184, Heping District, Liaoning, Shenyang Patentee before: SHENYANG ALUMINUM AND MAGNESIUM TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20190301 |
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