CN102923719A - Dry tail gas waste heat recovery system for white carbon black production - Google Patents
Dry tail gas waste heat recovery system for white carbon black production Download PDFInfo
- Publication number
- CN102923719A CN102923719A CN2012104221216A CN201210422121A CN102923719A CN 102923719 A CN102923719 A CN 102923719A CN 2012104221216 A CN2012104221216 A CN 2012104221216A CN 201210422121 A CN201210422121 A CN 201210422121A CN 102923719 A CN102923719 A CN 102923719A
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- tail gas
- water
- recovery system
- waste heat
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
Abstract
The invention discloses a dry tail gas waste heat recovery system for white carbon black production. The dry tail gas waste heat recovery system comprises a combustion furnace, a drying tower, a bag filter, a heat exchange pipe and a water storage tank, wherein the combustion furnace is communicated with the drying tower, the drying tower is communicated with the bag filter, a slurry conveying pipe goes into the heat exchange tower and then is communicated with the drying tower, the heat exchange tower is communicated with the bag filter and a draught fan is arranged between the heat exchange tower and the bag filter, the top of the heat exchange tower is provided with a tail gas exhaust port, the upper part in the heat exchange tower is provided with a process water spraying device, the water storage tank is communicated with the heat exchange tower through an overflow pipe, the water storage tank supplies water to the process water spraying device through a water conveying pipe, a water pump is arranged on the water conveying pipe, and the water conveying pipe is communicated with the process water supply end through a control valve and a water supply pipe. The dry tail gas waste heat recovery system has the advantages of energy saving, environmental friendliness and reduced production cost.
Description
Technical field
The present invention relates to the white carbon black production technical field, especially relate to a kind of waste heat recovery system of drying tail gas for precipitated silica production.
Background technology
That white carbon black has is high temperature resistant, do not fire, tasteless, odorless, have series of advantages such as good electrical insulating property, make it can 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 the precipitated silica production process, its drying process all is to utilize the warm air behind Sweet natural gas or the coal combustion that slip is carried out drying basically, and the tail gas that produces in drying process directly discharges by induced draft fan after by bag collector.This exhaust temperature can reach more than 130 ℃ sometimes usually at 100~120 ℃.Because the high-temperature tail gas quantity discharged that drying process produces is very large, has not only caused a large amount of wastes of heat, and has caused 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, the characteristics that it has energy-saving and environmental protection and reduces production costs.Effectively solved the problem that precipitated silica production exists in the prior art.
The objective 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 the slurry pipeline transport pipe in the described drying tower, wherein, described waste heat recovery system of drying tail gas also comprises heat exchange columns and aqua storage tank, described 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 induced draft fan is set between the two, the top of described heat exchange columns offers exhaust port, and the top in the described heat exchange columns is provided with the process water spray equipment, described aqua storage tank is connected with heat exchange columns by upflow tube, and described aqua storage tank supplies water to the process water spray equipment by hydraulic pipe, be provided with water pump on the described hydraulic pipe, and described hydraulic pipe is connected for water end (W.E.) with process water by control valve and water-supply pipe.
Especially, described slurry pipeline transport pipe is snakelike and is arranged in the 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 that 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 be removed dust and the sulfurous gas in the tail gas, reduces the exhaust temperature of tail gas, reaches the purpose of environmental protection;
2) utilize the high-temperature tail gas that produces in the slip drying process, behind the slurry temperature, can reduce dry consumption with Sweet natural gas or coal, the purpose that reach energy-conservation, reduces production costs before raising is dry.
Description of drawings
Fig. 1 is the structural representation of the waste heat recovery system of drying tail gas that is used for white carbon black production that provides of the specific embodiment of the invention 1.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and by embodiment.
See also shown in Figure 1ly, Fig. 1 is the structural representation of the waste heat recovery system of drying tail gas that is used for white carbon black production that provides of the specific embodiment of the invention 1.
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, pass into combustion gas in the described roasting kiln 1 and it is connected with gas blower 4, 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 the snakelike bottom that is arranged in heat exchange columns 6, described heat exchange columns 6 is connected with bag filter 3 and induced draft fan 9 is set between the two, the top of described heat exchange columns 6 offers exhaust port 10, and the top in the 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 for process water spray equipment 11 by hydraulic pipe 13, be provided with water pump 14 on the described hydraulic pipe 13, and described hydraulic pipe 13 is connected for water end (W.E.) with process water by water-supply pipe 15, is provided with control valve 16 on the described water-supply pipe 15.
During work; the warm air that produces behind the combustion of natural gas in the combustion chamber 1 is sent in the drying tower 2; slurry pipeline transport pipe 8 carries slip to carry out drying in drying tower 2; dried gas is sent in the heat exchange columns 6 by induced draft fan 9 after bag filter 3 carries out dedusting; water pump 14 pump water carry out spraying and dedusting to the high-temperature flue gas in the process water spray equipment 11 process water spray equipments 11 exchange thermal towers 6 in the heat exchange columns 6; and remove sulfurous gas in the 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 the slurry pipeline transport pipe 8 in process water after the heating and the heat exchange columns 6 carries out heat exchange; implement preheating; improved the temperature that needs dry slip; play save energy; the effect of protection of the environment, and more can flow in the aqua storage tanks 7 by upflow tube 12 through the process water of heat exchange and to carry out recycle.
Above embodiment has just set forth ultimate principle of the present invention and characteristic; the present invention is not limited by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various variations and change, and these variations and change all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. waste heat recovery system of drying tail gas that is used 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 the slurry pipeline transport pipe in the 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, described 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 induced draft fan is set between the two, the top of described heat exchange columns offers exhaust port, and the top in the described heat exchange columns is provided with the process water spray equipment, described aqua storage tank is connected with heat exchange columns by upflow tube, and described aqua storage tank supplies water to the process water spray equipment by hydraulic pipe, be provided with water pump on the described hydraulic pipe, and described hydraulic pipe is connected for water end (W.E.) with process water by water-supply pipe, is provided with control valve on the described water-supply pipe.
2. the waste heat recovery system of drying tail gas for white carbon black production according to claim 1; It is characterized in that: described slurry pipeline transport pipe is snakelike and is arranged in the heat exchange columns.
3. the waste heat recovery system of drying tail gas for white carbon black production according to claim 1; It is characterized in that: described roasting kiln is connected with gas blower, and 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 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102923719A true CN102923719A (en) | 2013-02-13 |
CN102923719B CN102923719B (en) | 2015-09-23 |
Family
ID=47638683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102923719B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103194596A (en) * | 2013-04-17 | 2013-07-10 | 东南大学 | Harmless resource utilization method for steel rolling oil sludge |
CN106854004A (en) * | 2016-12-05 | 2017-06-16 | 益凯新材料有限公司 | A kind of apparatus and method of the evaporative crystallization of white carbon black industrial wastewater |
CN110701872A (en) * | 2019-09-20 | 2020-01-17 | 天津科技大学 | Salt drying tail gas waste heat recovery system |
Citations (8)
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 |
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 |
WO2009125457A1 (en) * | 2008-04-11 | 2009-10-15 | カンケンテクノ株式会社 | Process for treatment of exhaust gas containing both silane gas and fluorine gas and exhasut gas treatment facility for the process |
KR101058270B1 (en) * | 2008-07-07 | 2011-08-22 | 양형칠 | Silica sol manufacturing method and waste heat recovery system using the same |
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 |
-
2012
- 2012-10-29 CN CN201210422121.6A patent/CN102923719B/en active Active
Patent Citations (8)
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 |
WO2009125457A1 (en) * | 2008-04-11 | 2009-10-15 | カンケンテクノ株式会社 | Process for treatment of exhaust gas containing both silane gas and fluorine gas and exhasut gas treatment facility for the process |
KR101058270B1 (en) * | 2008-07-07 | 2011-08-22 | 양형칠 | Silica sol manufacturing method and waste heat recovery system using the same |
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 |
---|
赵福玲等: "气相白炭黑项目废气、废水的综合利用", 《河南化工》, vol. 28, no. 5, 31 May 2011 (2011-05-31), pages 39 - 40 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103194596A (en) * | 2013-04-17 | 2013-07-10 | 东南大学 | Harmless resource utilization method for steel rolling oil sludge |
CN103194596B (en) * | 2013-04-17 | 2014-09-03 | 东南大学 | Harmless resource utilization method for steel rolling oil sludge |
CN106854004A (en) * | 2016-12-05 | 2017-06-16 | 益凯新材料有限公司 | A kind of apparatus and method of the evaporative crystallization of white carbon black industrial wastewater |
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 |
Also Published As
Publication number | Publication date |
---|---|
CN102923719B (en) | 2015-09-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103234214B (en) | The fine coal coal gasification powder process of high-moisture coal and Water Sproading integrated system and method thereof | |
CN204114893U (en) | Residual heat from boiler fume recycle device | |
CN104654815A (en) | Mosaic ceramic kiln waste heat power generation comprehensive utilization system | |
CN103724438A (en) | Waste heat utilization type starch air current drying machine | |
CN202880907U (en) | Dried tail gas waste heat recovery system for white carbon black production | |
CN102923719B (en) | For the waste heat recovery system of drying tail gas of white carbon black production | |
CN203223926U (en) | Heat energy recycle and purification device of boiler flue | |
CN204421052U (en) | A kind of waste heat recovery furnace | |
CN103405988A (en) | Smoke cooling system and method | |
CN203625272U (en) | Waste heat utilization type starch airflow dryer | |
CN201385389Y (en) | Natural rubber steam drying oven | |
CN204901732U (en) | Modular waste heat of boiler flue gas recovery system | |
CN204022721U (en) | A kind of dry system of processing of carbon black wet granulation | |
CN204114977U (en) | Steam boiler tail-gas recycling device | |
CN202947447U (en) | Jet flow type hot blast stove with preheating device and drying system | |
CN202599067U (en) | Drying tower waste heat recycling device | |
CN204901734U (en) | Novel waste heat of boiler flue gas recovery system | |
CN207299008U (en) | A kind of combustion control device of high-efficiency pulverized coal boiler | |
CN204901818U (en) | Waste heat of boiler flue gas recovery system | |
CN204901733U (en) | Novel composite boiler residual heat from flue gas system | |
CN201155799Y (en) | Plaster board organic heat carrier heating stove residual heat utilization device | |
CN204648887U (en) | A kind of energy-saving dryer | |
CN205014618U (en) | Structure is retrieved to various coating line waste gas latent heat | |
CN203083134U (en) | Smoke heat recovery device | |
CN203704558U (en) | Hot waste gas reverse-flow type brown coal drying furnace |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |