CN102923719B - For the waste heat recovery system of drying tail gas of white carbon black production - Google Patents
For the waste heat recovery system of drying tail gas of white carbon black production Download PDFInfo
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- CN102923719B CN102923719B CN201210422121.6A CN201210422121A CN102923719B CN 102923719 B CN102923719 B CN 102923719B CN 201210422121 A CN201210422121 A CN 201210422121A CN 102923719 B CN102923719 B CN 102923719B
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- heat exchange
- exchange columns
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- drying
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The invention discloses a kind of waste heat recovery system of drying tail gas for white carbon black production, it comprises roasting kiln, drying tower, bag filter, heat exchange columns and aqua storage tank, described roasting kiln is connected with drying tower, described drying tower is connected with bag filter, slurry pipeline transport pipe is connected with drying tower after passing into heat exchange columns, described heat exchange columns is connected with bag filter and arranges induced draft fan between the two, the top of described heat exchange columns offers exhaust port, and the top in described heat exchange columns is provided with process water spray equipment, described aqua storage tank is connected with heat exchange columns by upflow tube, and described aqua storage tank is supplied water to process water spray equipment by hydraulic pipe, described hydraulic pipe is provided with water pump, and described hydraulic pipe is connected for water end (W.E.) with process water with water-supply pipe by control valve.Above-mentioned waste heat recovery system of drying tail gas has energy-saving and environmental protection and reduces the advantage of production cost.
Description
Technical field
The present invention relates to white carbon black production technical field, especially relate to a kind of waste heat recovery system of drying tail gas produced for precipitated silica.
Background technology
White carbon black have high temperature resistant, do not fire, tasteless, odorless, there is the series of advantages such as good electrical insulating property, it is enable to be widely used in many fields such as rubber item, agricultural chemical, daily-use chemical industry goods, jointing compound, anti-caking agent, at present, in precipitated silica production process, its drying process is all that slip is carried out drying by the warm air after utilizing Sweet natural gas or coal combustion substantially, and the tail gas produced in drying process is by directly discharging by induced draft fan after bag collector.This exhaust temperature, usually at 100 ~ 120 DEG C, can reach more than 130 DEG C sometimes.The high-temperature tail gas quantity discharged produced due to drying process is very large, not only causes a large amount of wastes of heat, and causes topsoil.
Summary of the invention
The object of the present invention is to provide a kind of waste heat recovery system of drying tail gas for white carbon black production, its feature that there are energy-saving and environmental protection and reduce production cost.Effectively solve precipitated silica in prior art and produce Problems existing.
The object of the invention is to be achieved through the following technical solutions:
A kind of waste heat recovery system of drying tail gas for white carbon black production, it comprises roasting kiln, drying tower and bag filter, described roasting kiln is connected with drying tower, described drying tower is connected with bag filter, and pass into slip by slurry pipeline transport pipe in described drying tower, wherein, described waste heat recovery system of drying tail gas also comprises heat exchange columns and aqua storage tank, be connected with drying tower after described slurry pipeline transport pipe passes into heat exchange columns, described heat exchange columns is connected with bag filter and arranges induced draft fan between the two, the top of described heat exchange columns offers exhaust port, and the top in described heat exchange columns is provided with process water spray equipment, described aqua storage tank is connected with heat exchange columns by upflow tube, and described aqua storage tank is supplied water to process water spray equipment by hydraulic pipe, described hydraulic pipe is provided with water pump, and described hydraulic pipe is connected for water end (W.E.) with process water with water-supply pipe by control valve.
Especially, described slurry pipeline transport pipe is snakelike being arranged in heat exchange columns.
Especially, described roasting kiln is connected with gas blower, and the front end of described gas blower is provided with airstrainer.
Beneficial effect of the present invention is, the described waste heat recovery system of drying tail gas for white carbon black production compared with prior art has the following advantages:
1) process water can remove dust in tail gas and sulfurous gas, reduces the exhaust temperature of tail gas, reaches the object of environmental protection;
2) high-temperature tail gas produced in slip drying process is utilized, after improving dry front slurry temperature, the object of the production cost that can reduce the consumption of drying Sweet natural gas or coal, reach energy-conservation, reduce.
Accompanying drawing explanation
Fig. 1 is the structural representation of the waste heat recovery system of drying tail gas for white carbon black production that the specific embodiment of the invention 1 provides.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Refer to shown in Fig. 1, Fig. 1 is the structural representation of the waste heat recovery system of drying tail gas for white carbon black production that the specific embodiment of the invention 1 provides.
In the present embodiment, a kind of waste heat recovery system of drying tail gas for white carbon black production comprises roasting kiln 1, drying tower 2 and bag filter 3, combustion gas is passed into and it is connected with gas blower 4 in described roasting kiln 1, the front end of described gas blower 4 is provided with airstrainer 5, and described roasting kiln 1 is connected with drying tower 2, described drying tower 2 is connected with bag filter 3, described waste heat recovery system of drying tail gas also comprises heat exchange columns 6 and aqua storage tank 7, described slurry pipeline transport pipe 8 is connected with drying tower 2 after passing into heat exchange columns 6, and described slurry pipeline transport pipe 8 is in the snakelike bottom being arranged in heat exchange columns 6, described heat exchange columns 6 is connected with bag filter 3 and arranges induced draft fan 9 between the two, the top of described heat exchange columns 6 offers exhaust port 10, and the top in described heat exchange columns 6 is provided with process water spray equipment 11, described aqua storage tank 7 is connected with heat exchange columns 6 by upflow tube 12, and described aqua storage tank 7 supplies water to process water spray equipment 11 by hydraulic pipe 13, described hydraulic pipe 13 is provided with water pump 14, and described hydraulic pipe 13 is connected for water end (W.E.) with process water by water-supply pipe 15, described water-supply pipe 15 is provided with control valve 16.
During work, the warm air produced after combustion of natural gas in combustion chamber 1 is sent in drying tower 2, slurry pipeline transport pipe 8 is carried in slip to drying tower 2 and is carried out drying, dried gas is sent in heat exchange columns 6 by induced draft fan 9 after bag filter 3 carries out dedusting, water pump 14 pump water carries out spraying and dedusting to process water spray equipment 11 process water spray equipment 11 high-temperature flue gas exchanged in thermal tower 6 in heat exchange columns 6, and remove sulfurous gas in tail gas, reduce the exhaust temperature of tail gas, discharged by exhaust port 10 after reaching environmental protection, in process water spray process, process water and high-temperature flue gas mixing are heated, slip in slurry pipeline transport pipe 8 in process water after heating and heat exchange columns 6 carries out heat exchange, implement preheating, improve the temperature needing dry slip, play save energy, the effect of protection of the environment, and more to flow in aqua storage tank 7 by upflow tube 12 through the process water of heat exchange and carry out recycle.
Above embodiment has just set forth ultimate principle of the present invention and characteristic; the present invention does not limit by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and change all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (1)
1. the waste heat recovery system of drying tail gas for white carbon black production, it comprises roasting kiln, drying tower and bag filter, described roasting kiln is connected with drying tower, described drying tower is connected with bag filter, and pass into slip by slurry pipeline transport pipe in described drying tower, it is characterized in that: described waste heat recovery system of drying tail gas also comprises heat exchange columns and aqua storage tank, be connected with drying tower after described slurry pipeline transport pipe passes into heat exchange columns, described heat exchange columns is connected with bag filter and arranges induced draft fan between the two, the top of described heat exchange columns offers exhaust port, and the top in described heat exchange columns is provided with process water spray equipment, described aqua storage tank is connected with heat exchange columns by upflow tube, and described aqua storage tank is supplied water to process water spray equipment by hydraulic pipe, described hydraulic pipe is provided with water pump, and described hydraulic pipe is connected for water end (W.E.) with process water by water-supply pipe, described water-supply pipe is provided with control valve, described slurry pipeline transport pipe is snakelikely be arranged in heat exchange columns, described roasting kiln is connected with gas blower, the front end of described gas blower is provided with airstrainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210422121.6A CN102923719B (en) | 2012-10-29 | 2012-10-29 | For the waste heat recovery system of drying tail gas of white carbon black production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210422121.6A CN102923719B (en) | 2012-10-29 | 2012-10-29 | For the waste heat recovery system of drying tail gas of white carbon black production |
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| Publication Number | Publication Date |
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| CN102923719A CN102923719A (en) | 2013-02-13 |
| CN102923719B true CN102923719B (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210422121.6A Active CN102923719B (en) | 2012-10-29 | 2012-10-29 | For the waste heat recovery system of drying tail gas of white carbon black production |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194596B (en) * | 2013-04-17 | 2014-09-03 | 东南大学 | Harmless resource utilization method for steel rolling oil sludge |
| CN106854004B (en) * | 2016-12-05 | 2022-11-11 | 益凯新材料有限公司 | Device and method for evaporative crystallization of white carbon black production wastewater |
| CN110701872A (en) * | 2019-09-20 | 2020-01-17 | 天津科技大学 | Salt drying tail gas waste heat recovery system |
Citations (4)
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|---|---|---|---|---|
| CN101503193A (en) * | 2008-10-17 | 2009-08-12 | 株洲兴隆化工实业有限公司 | White carbon black drying system using fire coal circulating fluid bed hot-air furnace |
| CN201981015U (en) * | 2011-01-04 | 2011-09-21 | 福建正盛无机材料股份有限公司 | Waste heat recovering device for tail gas of hot blast stove or boiler |
| CN202008286U (en) * | 2011-03-10 | 2011-10-12 | 福建海能新材料有限公司 | Device for recovering dry tail gas heat energy |
| CN202880907U (en) * | 2012-10-29 | 2013-04-17 | 无锡恒诚硅业有限公司 | Dried tail gas waste heat recovery system for white carbon black production |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0825724B2 (en) * | 1988-07-25 | 1996-03-13 | 三菱重工業株式会社 | High temperature treatment method for minerals |
| JP2008214158A (en) * | 2007-03-06 | 2008-09-18 | Maywa Co Ltd | Process for manufacturing amorphous silica from chaff |
| JPWO2009125457A1 (en) * | 2008-04-11 | 2011-07-28 | カンケンテクノ株式会社 | Method for treating exhaust gas containing silane gas and fluorine gas and exhaust gas treatment apparatus using the method |
| KR101058270B1 (en) * | 2008-07-07 | 2011-08-22 | 양형칠 | Silica sol manufacturing method and waste heat recovery system using the same |
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2012
- 2012-10-29 CN CN201210422121.6A patent/CN102923719B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503193A (en) * | 2008-10-17 | 2009-08-12 | 株洲兴隆化工实业有限公司 | White carbon black drying system using fire coal circulating fluid bed hot-air furnace |
| CN201981015U (en) * | 2011-01-04 | 2011-09-21 | 福建正盛无机材料股份有限公司 | Waste heat recovering device for tail gas of hot blast stove or boiler |
| CN202008286U (en) * | 2011-03-10 | 2011-10-12 | 福建海能新材料有限公司 | Device for recovering dry tail gas heat energy |
| CN202880907U (en) * | 2012-10-29 | 2013-04-17 | 无锡恒诚硅业有限公司 | Dried tail gas waste heat recovery system for white carbon black production |
Non-Patent Citations (1)
| Title |
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| 气相白炭黑项目废气、废水的综合利用;赵福玲等;《河南化工》;20110531;第28卷(第5期);第39-40页 * |
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| CN102923719A (en) | 2013-02-13 |
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