CN102755821A - Carbon calcining furnace waste gas desulfurizing and dust-removing method and device - Google Patents
Carbon calcining furnace waste gas desulfurizing and dust-removing method and device Download PDFInfo
- Publication number
- CN102755821A CN102755821A CN2011101106777A CN201110110677A CN102755821A CN 102755821 A CN102755821 A CN 102755821A CN 2011101106777 A CN2011101106777 A CN 2011101106777A CN 201110110677 A CN201110110677 A CN 201110110677A CN 102755821 A CN102755821 A CN 102755821A
- Authority
- CN
- China
- Prior art keywords
- dust
- heat
- heat exchanger
- desulfurizing
- boiler
- 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.)
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Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 31
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002912 waste gas Substances 0.000 title claims abstract description 21
- 238000001354 calcination Methods 0.000 title abstract description 8
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 22
- 230000023556 desulfurization Effects 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000002918 waste heat Substances 0.000 claims description 23
- 239000007921 spray Substances 0.000 claims description 17
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 239000012670 alkaline solution Substances 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 5
- 239000005864 Sulphur Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention provides a carbon calcining furnace waste gas desulfurizing and dust-removing method and device. The method comprises the steps of heat exchanging and cooling, desulfurizing and dust-removing as well as heating and gas exhaustion. The manufacturing device comprises a carbon calcining furnace and is characterized by further comprising an afterheat boiler, a heat exchanger, a desulfurizing dust remover and a spraying system, wherein the carbon calcining furnace is connected with the afterheat boiler; the afterheat boiler is connected with the heat exchanger; the heat exchanger is connected with the desulfurizing dust remover; the spraying system is fixed on the desulfurizing dust remover; and a gate valve is arranged on each connecting pipeline. According to the invention, heat in high temperature waste gas generated in the carbon calcining furnace is effectively utilized and substances generated by desulfurization and dust removal are recycled, so that energy is saved and emission is reduced; by using the carbon calcining furnace waste gas desulfurizing and dust-removing method provided by the utility model, necessary conditions of desulfurization and dust removal are sufficiently taken into consideration and all steps are organically combined with each other; therefore, the carbon calcining furnace waste gas desulfurizing and dust-removing method provided by the utility model has the advantages of simplicity, practicability, high efficiency, small investment and low operation cost; and secondary pollution is effectively avoided.
Description
Technical field
The present invention relates to a kind of carbon calciner exhuast gas desulfurization dust collection method and device thereof.
Background technology
The plain calcining furnace of producing of charcoal produces a large amount of high-temp waste gas aborning, and these waste gas contain great amount of heat energy, also follow the pollutant that mainly comprises dust and sulfur dioxide.Generally, these waste gas are discharged without administering directly, cause environmental pollution, climatic deterioration.The present domestic integrated conduct method that lacks mature and reliable.
Summary of the invention
According to above deficiency of the prior art; The technical problem that the present invention will solve is: provide a kind of and can effectively utilize the high-temp waste gas heat; And can effectively remove the carbon calciner exhuast gas desulfurization dust collection method of harmful substance in the high-temp waste gas and the device of realizing this method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of carbon calciner exhuast gas desulfurization dust collection method, it is characterized in that, and may further comprise the steps:
(1) heat exchange cooling: the waste gas that carbon calciner produces gets into waste heat boiler and heat exchanger is realized the heat exchange cooling;
(2) desulfurization and dedusting: the waste gas after the cooling gets into desulfurizing dust-collector and cooperates spray system to spray alkaline solution and carries out wet method sulphur removing and dust removing, the gas after being purified;
(3) exhaust of heating: purified gas enters atmosphere through the heat exchanger back of heating through chimney.
Described waste heat boiler comprises heat-conducting oil furnace and steam boiler, and heat-conducting oil furnace is connected with carbon calciner respectively with steam boiler.
A kind of device of realizing above method; Comprise carbon calciner, it is characterized in that: also comprise waste heat boiler, heat exchanger, desulfurizing dust-collector, spray system, carbon calciner connects waste heat boiler; Waste heat boiler connects heat exchanger; Heat exchanger is connected with desulfurizing dust-collector, and spray system is fixed on the desulfurizing dust-collector, and each connecting line is provided with gate valve.
Described waste heat boiler comprises heat-conducting oil furnace and steam boiler, and heat-conducting oil furnace is connected with carbon calciner respectively with steam boiler.
Described spray system connects desulfurization and dedusting slurries pond.
Described desulfurizing dust-collector connects the sulfate processing unit (plant).
Be provided with the flue gas register between described heat exchanger and the desulfurizing dust-collector.
Be provided with blower fan between described waste heat boiler and the heat exchanger.
The beneficial effect that the present invention had is: the interior heat of high-temp waste gas that effectively utilizes carbon calciner to produce; And the material of recovery desulfurization and dedusting generation; Accomplish energy-saving and emission-reduction; This method has taken into full account the necessary condition of desulfurization and dedusting and each step has been organically combined, and is simple and practical, efficient is high, investment is little, operating cost is low, effectively avoids secondary pollution.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Among the figure: 1, carbon calciner; 2, heat-conducting oil furnace; 3, steam boiler; 4, heat exchanger; 5, desulfurizing dust-collector; 6, spray system; 7, desulfurization and dedusting slurries pond; 8, sulfate processing unit (plant); 9, flue gas register; 10, blower fan;
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are done and to be further described:
As shown in Figure 1, a kind of carbon calciner exhuast gas desulfurization dust collection method may further comprise the steps: (1) heat exchange cooling: the waste gas that carbon calciner 1 produces gets into waste heat boiler and heat exchanger 4 is realized the heat exchange cooling; (2) desulfurization and dedusting: the waste gas after the cooling gets into desulfurizing dust-collector 5 and cooperates spray system 6 to spray alkaline solution and carries out wet method sulphur removing and dust removing, the gas after being purified; (3) exhaust of heating: purified gas enters atmosphere through heat exchanger 4 back of heating through chimney.Described waste heat boiler comprises heat-conducting oil furnace 2 and steam boiler 3, and heat-conducting oil furnace 2 is connected with carbon calciner 1 respectively with steam boiler 3.Realize the device of above method; Comprise carbon calciner 1, also comprise waste heat boiler, heat exchanger 4, desulfurizing dust-collector 5, spray system 6, carbon calciner 1 connects waste heat boiler; Waste heat boiler connects heat exchanger 4; Heat exchanger 4 is connected with desulfurizing dust-collector 5, and spray system 6 is fixed on the desulfurizing dust-collector 5, and each connecting line is provided with gate valve.
Described waste heat boiler comprises heat-conducting oil furnace 2 and steam boiler 3, and heat-conducting oil furnace 2 is connected with carbon calciner 1 respectively with steam boiler 3.Described spray system 6 connects desulfurization and dedusting slurries pond 7.Described desulfurizing dust-collector 5 connects sulfate processing unit (plant) 8.Be provided with flue gas register 9 between described heat exchanger 4 and the desulfurizing dust-collector 5.Be provided with blower fan 10 between described waste heat boiler and the heat exchanger 4.
The sulfur-bearing dust-laden high-temp waste gas that carbon calciner 1 produces; Get into waste heat boiler through gate valve, waste heat boiler comprises heat-conducting oil furnace 2 and steam boiler 3, can the heat recovery of high-temp waste gas be used for generating electricity, make steam or be used for other production aspect; Reach energy-saving and emission-reduction; Heat energy is fully utilized the back temperature has had reduction, drives through blower fan 10, crosses gate valve earlier and gets into heat exchanger 4 then and carry out the cooling of heat exchange once more; The back gets into flue gas register 9 adjustment temperature; Get into desulfurizing dust-collector 5 along pipeline after regulating temperature, spray system 6 is sprayed the desulfurization and dedusting slurries and is cooperated desulfurizing dust-collector 5 to accomplish desulfurization and dedusting simultaneously, carries out the desulfurization and dedusting operation to greatest extent and avoids secondary pollution.The desulfurization and dedusting slurries use alkaline solution; Chemical reaction takes place in sulfur in smoke and a spot of sulfur trioxide and the alkaline solution contact process generate sulfate; The sulfate that generates gets into sulfate processing unit (plant) 8 and is used to process desulfuration byproduct, improves social benefit.
Waste gas after the purification gets into heat exchanger 4 and heats up, and the waste gas after the intensification is sent into smoke stack emission through gate valve, through improving the chimney delivery temperature, avoids steam dewfall corrosion equipment, helps chimney exhaust diffusion.
Claims (8)
1. a carbon calciner exhuast gas desulfurization dust collection method is characterized in that, may further comprise the steps:
(1) heat exchange cooling: the waste gas that carbon calciner produces gets into waste heat boiler and heat exchanger is realized the heat exchange cooling;
(2) desulfurization and dedusting: the waste gas after the cooling gets into desulfurizing dust-collector and cooperates spray system to spray alkaline solution and carries out wet method sulphur removing and dust removing, the gas after being purified;
(3) exhaust of heating: purified gas enters atmosphere through the heat exchanger back of heating through chimney.
2. method according to claim 1 is characterized in that: described waste heat boiler comprises heat-conducting oil furnace and steam boiler, and heat-conducting oil furnace is connected with carbon calciner respectively with steam boiler.
3. device of realizing the said method of claim 1; Comprise carbon calciner, it is characterized in that: also comprise waste heat boiler, heat exchanger, desulfurizing dust-collector, spray system, carbon calciner connects waste heat boiler; Waste heat boiler connects heat exchanger; Heat exchanger is connected with desulfurizing dust-collector, and spray system is fixed on the desulfurizing dust-collector, and each connecting line is provided with gate valve.
4. device according to claim 3 is characterized in that: described waste heat boiler comprises heat-conducting oil furnace and steam boiler, and heat-conducting oil furnace is connected with carbon calciner respectively with steam boiler.
5. device according to claim 3 is characterized in that: described spray system connects desulfurization and dedusting slurries pond.
6. device according to claim 3 is characterized in that: described desulfurizing dust-collector connects the sulfate processing unit (plant).
7. device according to claim 3 is characterized in that: be provided with the flue gas register between described heat exchanger and the desulfurizing dust-collector.
8. device according to claim 3 is characterized in that: be provided with blower fan between described waste heat boiler and the heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101106777A CN102755821A (en) | 2011-04-29 | 2011-04-29 | Carbon calcining furnace waste gas desulfurizing and dust-removing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101106777A CN102755821A (en) | 2011-04-29 | 2011-04-29 | Carbon calcining furnace waste gas desulfurizing and dust-removing method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102755821A true CN102755821A (en) | 2012-10-31 |
Family
ID=47050611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101106777A Pending CN102755821A (en) | 2011-04-29 | 2011-04-29 | Carbon calcining furnace waste gas desulfurizing and dust-removing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102755821A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743253A (en) * | 2014-01-15 | 2014-04-23 | 新郑市东升炭素有限公司 | Graphitization kiln exhaust gas waste heat utilization and dedusting desulfurization system |
| CN104713110A (en) * | 2013-12-13 | 2015-06-17 | 阿尔斯通技术有限公司 | Combustion system and combustion method |
| CN106582179A (en) * | 2016-12-31 | 2017-04-26 | 天津市宝坻区发达造纸有限公司 | Boiler flue gas treatment process |
| CN107420883A (en) * | 2017-08-03 | 2017-12-01 | 中国环境科学研究院 | A kind of carbon industry exhausted air quantity and pollutant become Zero discharging system and method |
| CN114471121A (en) * | 2022-03-03 | 2022-05-13 | 湖北中颐和环境工程有限公司 | Calcining furnace tail gas purification treatment device and process |
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|---|---|---|---|---|
| JPS60212210A (en) * | 1984-04-05 | 1985-10-24 | Mitsubishi Heavy Ind Ltd | Treatment of waste liquid in exhaust gas treating apparatus |
| CN2232795Y (en) * | 1995-04-10 | 1996-08-14 | 洛阳矿山机械工程设计研究院 | Desulfurizing dust remover |
| US6294135B1 (en) * | 1998-07-14 | 2001-09-25 | Seungki Joo | Small-scale boiler system using scrapped tires |
| CN1800062A (en) * | 2005-12-14 | 2006-07-12 | 上海金州环境工程有限公司 | Sludge anhydration and burning process, and its systematic device |
| CN101829468A (en) * | 2009-03-10 | 2010-09-15 | 上海融新能源环境科技有限公司 | Flue-gas cleaning method and system for waste incineration |
| CN202057204U (en) * | 2011-04-29 | 2011-11-30 | 淄博联兴炭素有限公司 | Waste gas desulfuration and dust control device of carbon calcining furnace |
-
2011
- 2011-04-29 CN CN2011101106777A patent/CN102755821A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60212210A (en) * | 1984-04-05 | 1985-10-24 | Mitsubishi Heavy Ind Ltd | Treatment of waste liquid in exhaust gas treating apparatus |
| CN2232795Y (en) * | 1995-04-10 | 1996-08-14 | 洛阳矿山机械工程设计研究院 | Desulfurizing dust remover |
| US6294135B1 (en) * | 1998-07-14 | 2001-09-25 | Seungki Joo | Small-scale boiler system using scrapped tires |
| CN1800062A (en) * | 2005-12-14 | 2006-07-12 | 上海金州环境工程有限公司 | Sludge anhydration and burning process, and its systematic device |
| CN101829468A (en) * | 2009-03-10 | 2010-09-15 | 上海融新能源环境科技有限公司 | Flue-gas cleaning method and system for waste incineration |
| CN202057204U (en) * | 2011-04-29 | 2011-11-30 | 淄博联兴炭素有限公司 | Waste gas desulfuration and dust control device of carbon calcining furnace |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713110A (en) * | 2013-12-13 | 2015-06-17 | 阿尔斯通技术有限公司 | Combustion system and combustion method |
| CN103743253A (en) * | 2014-01-15 | 2014-04-23 | 新郑市东升炭素有限公司 | Graphitization kiln exhaust gas waste heat utilization and dedusting desulfurization system |
| CN103743253B (en) * | 2014-01-15 | 2015-09-16 | 新郑市东升炭素有限公司 | A kind of graphitization kiln using waste heat from tail gas utilizes and dusting and desulfuring system |
| CN106582179A (en) * | 2016-12-31 | 2017-04-26 | 天津市宝坻区发达造纸有限公司 | Boiler flue gas treatment process |
| CN107420883A (en) * | 2017-08-03 | 2017-12-01 | 中国环境科学研究院 | A kind of carbon industry exhausted air quantity and pollutant become Zero discharging system and method |
| CN114471121A (en) * | 2022-03-03 | 2022-05-13 | 湖北中颐和环境工程有限公司 | Calcining furnace tail gas purification treatment device and process |
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Application publication date: 20121031 |