CN102116482A - System and process for heat power incineration and purification of volatile organic waste gas boiler - Google Patents
System and process for heat power incineration and purification of volatile organic waste gas boiler Download PDFInfo
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- CN102116482A CN102116482A CN 201110032214 CN201110032214A CN102116482A CN 102116482 A CN102116482 A CN 102116482A CN 201110032214 CN201110032214 CN 201110032214 CN 201110032214 A CN201110032214 A CN 201110032214A CN 102116482 A CN102116482 A CN 102116482A
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Abstract
The invention discloses a system and method for heat power incineration and purification of a volatile organic waste gas boiler. The system comprises an adsorption device or an absorption device, a draught fan, a boiler and a desulfuration dust collection device. The process comprises the following specific steps: firstly feeding volatile organic waste gases into the adsorption device or the absorption device, and prepcessing the volatile organic waste gases; then feeding the volatile organic waste gases into the boiler through the draught fan, and calcining the volatile organic waste gases; feeding the discharged waste gas into the desulfuration dust collection device, desulfurating and dedusting; and discharging the tail gas reaching the standard. By utilizing the system and method provided by the invention, the methanthiol removal efficiency is over 99%, and the reechy removal efficiency is over 89%. The system and process provided by the invention are simple and practical, have the advantages of saved investment, low operation cost and high removal efficiency, and can bring certain economic benefits.
Description
Technical field
The present invention relates to environmental protection technical field, relate in particular to a kind of volatile organic waste gas boiler heating power incinerating and purifying system and technology.
Background technology
The current combustion method mainly contains flame combustion, catalytic combustion, heat-accumulation combustion, heat-storage catalytic burning, boiler heating power burning etc.(1) flame combustion is that the waste gas that contains organic class gas has been sent in the flame burning stove, makes the combustible component burning, changes into CO2 and H2O.The clearance of VOCs is generally more than 90%.Shortcoming: the fuel quantity of consumption is bigger, and the operating cost height must be installed the heat energy utilization device simultaneously; Investment operating cost height; Discharging NOx, SO are arranged
2, and the danger of dust.(2) essence of catalytic combustion is the deep oxidation effect that active oxygen participates in, and can make organic exhaust gas under lower initiation temperature condition by catalyst, flameless combustion takes place, and oxidation Decomposition is CO
2And H
2O.This method has following characteristics: initiation temperature is low, saves the energy; Applied widely; Treatment effeciency height, VOCs purifying rate are generally more than 95%; Reduce NO
XGeneration; The economy of operating cost.Shortcoming: when adopting noble metal catalyst, invest higher; As the exhaust gas constituents more complicated, when containing compositions such as dust, lead, tin, zinc, silicon, sulphur, phosphorus, arsenic and halogen, easily cause catalysqt deactivation; Condition control is bad easily can to produce bioxin.(3) heat-accumulation combustion adopts the organic exhaust gas of low concentration in the thermal oxidation method processing, and gas flow direction intermittently reverses in the operating process, and gas is heated when alternately entering RTO by the ceramic heat-storing bed, is cooled when flowing out RTO.This method heat recovery rate height is general more than 95%; Operating cost is less, and cost performance is reasonable; Removal efficient height can reach 98 ~ 99%.Be applicable to low concentration, big air quantity, do not contain the VOCs waste gas of alkali metal ion such as potassium sodium, low N constituent content.Shortcoming: investment cost is higher; May produce NOx and cause secondary pollution; Concentration need continue to replenish auxiliary fuel when low; As containing alkali metal ion such as potassium, sodium etc. in the waste gas, can reduce the heat storage capacity of heat storage.(4) the heat-storage catalytic burning is on the basis of heat-accumulation combustion, also adopts the flow-reversal operation, but adopts the form of catalytic combustion at combustion phases.This method has stronger adaptivity; Heat loss is little; Can start fast; No NOx generates.Shortcoming: investment cost height; As the exhaust gas constituents more complicated, when containing compositions such as dust, lead, tin, zinc, silicon, sulphur, phosphorus, arsenic and halogen, easily cause catalysqt deactivation; Condition control is bad easily can to produce bioxin.
Summary of the invention
The objective of the invention is to overcome existing treatment process shortcoming, a kind of volatile organic waste gas boiler heating power incinerating and purifying system and technology are provided.
Volatile organic waste gas boiler heating power incinerating and purifying system comprises absorption or absorption plant, air-introduced machine, boiler and desulfation dust-extraction device; Absorption or absorption plant, air-introduced machine, boiler and desulfation dust-extraction device link to each other in turn.
The volatile organic waste gas boiler heating power burns process for purifying: volatile organic waste gas enters absorption or absorption plant and the particle in the organic exhaust gas, impurity and acidic materials are adsorbed or absorbs preliminary treatment, volatile organic waste gas enters boiler by air-introduced machine organic substance in the organic exhaust gas and harmful substance is carried out burning disposal then, wherein air-introduced machine pressure is :-200Pa～-500 Pa, incineration temperature is 800～1000 degree, waste gas after coming out enters desulfation dust-extraction device and carries out desulfurization and dust removal process, and tail gas just can qualified discharge.
Described volatile organic waste gas comprises chloroform, methyl alcohol, methyl mercaptan and foul gas.Described absorption or absorption plant are: physical and chemical adsorption device and alkali cleaning absorb the acidic materials device.Described boiler is: power supply or heating boiler.
The beneficial effect that the present invention compared with prior art has:
(1) the present invention is simple and practical, reduced investment, and operating cost is low, removes the efficient height, can also bring certain economic benefits.
(2) the not newly-increased incinerator equipment of project, and the desulfation dust-extraction device that is provided with behind the stove, solved the secondary pollution problem that flame combustion may exist, the present invention simultaneously takes into full account all boiler corrosions and the safety problem that institute might exist, and has excellent popularization value.
(3) volatile organic waste gas directly enters boiler and burns through after absorption or absorbing preliminary treatment, and the removal efficient of methyl mercaptan is more than 99%, and the removal efficient of stench is more than 89%.
(4) waste gas that produces is mended wind as the secondary of boiler and be introduced directly into boiler furnace, be issued to the purpose of removing pollutant in the situation that does not increase equipment.
Description of drawings
Fig. 1 is a system architecture schematic diagram of the present invention.
Among the figure, absorption or absorption plant 1, air-introduced machine 2, boiler 3 and desulfation dust-extraction device 4.
The specific embodiment
As shown in Figure 1, volatile organic waste gas boiler heating power incinerating and purifying system comprises absorption or absorption plant 1, air-introduced machine 2, boiler 3 and desulfation dust-extraction device 4; Absorption or absorption plant 1, air-introduced machine 2, boiler 3 and desulfation dust-extraction device 4 link to each other in turn.
The volatile organic waste gas boiler heating power burns process for purifying: volatile organic waste gas enters particle, impurity and acidic materials in absorption or 1 pair of organic exhaust gas of absorption plant and adsorbs or absorb preliminary treatment, volatile organic waste gas carries out burning disposal by organic substance and harmful substance that air-introduced machine 2 enters in 3 pairs of organic exhaust gas of boiler then, wherein air-introduced machine pressure is :-200Pa～-500 Pa, incineration temperature is 800～1000 degree, waste gas after coming out enters desulfation dust-extraction device 4 and carries out desulfurization and dust removal process, and tail gas just can qualified discharge.
Described volatile organic waste gas comprises chloroform, methyl alcohol, methyl mercaptan and foul gas.Described absorption or absorption plant are: physical and chemical adsorption device and alkali cleaning absorb the acidic materials device.Described boiler is: power supply or heating boiler.
The volatile organic waste gas boiler heating power burns process for purifying and overcomes above defective workmanship, burn the purifying volatile organic exhaust gas by boiler heating power, volatile organic waste gas is through after absorption or absorbing preliminary treatment, directly entering boiler burns, the removal efficient of methyl mercaptan is more than 99%, and the removal efficient of stench is more than 89%.
Boiler heating power burns and is meant existing power supply of utilization or heating boiler, the waste gas that produces is mended wind as the secondary of boiler be introduced directly into boiler furnace, is issued to the purpose of removal pollutant in the situation that does not increase equipment.
The present invention is simple and practical, reduced investment, and operating cost is low, removes the efficient height, can also bring certain economic benefits.Design through after certain preliminary treatment, send boiler direct burning disposal waste gas.The newly-increased incinerator equipment of project, and the desulfation dust-extraction device that is provided with behind the stove have solved the secondary pollution problem that flame combustion may exist, and the present invention simultaneously takes into full account all boiler corrosions and the safety problem that institute might exist, and have excellent popularization value.
Embodiment 1
Certain volatile organic waste gas 24500m
3/ h is introduced into absorption or absorption plant carries out preliminary treatment, and volatile organic waste gas enters boiler by air-introduced machine and carries out burning disposal then, and the waste gas after coming out enters desulfation dust-extraction device and carries out desulfurization and dust removal process, and tail gas just can qualified discharge.
The present invention is simple and practical, and the processing air quantity is 24500m
3The organic exhaust gas of/h, from the estimation etc. of investment, operating cost compared that boiler heating power burns and RTO between pluses and minuses.Wherein, first investment cost is set year 330 days running times in the main body treatment facility, day operation time 24h, 0.65 yuan/degree of the electricity charge, power-equipment operating load 80%.RTO when operation be with spray 0# diesel oil, and the diesel oil cost be 5.40 yuan/rise meter.
Table 1 RTO and boiler heating power burn the economic indicator contrast table
After adopting boiler heating power to burn purification, the engineering that this invention is implemented has been carried out checking and accepting monitoring, this organic exhaust gas is handled the front and back data and is seen Table 2.Wherein HCl is by producing in the minimum of chloroform burning process, and methyl mercaptan is removed efficient greater than 99%, the foul smell of discharging He bioxin concentration also well below discharging standards.
Monitoring Data before and after table 2 boiler heating power burns
Embodiment 2
The volatile organic waste gas in another chemical plant, Zhejiang is introduced into absorption or absorption plant carries out preliminary treatment, volatile organic waste gas enters boiler by air-introduced machine and carries out burning disposal then, waste gas after coming out enters desulfation dust-extraction device and carries out desulfurization and dust removal process, and tail gas just can qualified discharge.
Boiler heating power is burned the volatile organic waste gas processing that process for purifying is applied to another chemical plant, Zhejiang, and this waste gas main component has methyl alcohol, ethanol, acetone, benzinum, acetylene etc., after boiler heating power burns, imports and exports data and sees Table 3.
Table 3 waste gas is imported and exported Monitoring Data
Claims (5)
1. a volatile organic waste gas boiler heating power incinerating and purifying system is characterized in that comprising absorption or absorption plant (1), air-introduced machine (2), boiler (3) and desulfation dust-extraction device (4); Absorption or absorption plant (1), air-introduced machine (2), boiler (3) and desulfation dust-extraction device (4) link to each other in turn.
2. one kind is used the volatile organic waste gas boiler heating power burning process for purifying of system according to claim 1, it is characterized in that volatile organic waste gas enter absorption or absorption plant (1) to the particle in the organic exhaust gas, impurity and acidic materials adsorb or absorb preliminary treatment, volatile organic waste gas enters boiler (3) by air-introduced machine (2) organic substance in the organic exhaust gas and harmful substance is carried out burning disposal then, wherein air-introduced machine pressure is :-200Pa～-500 Pa, incineration temperature is 800～1000 degree, waste gas after coming out enters desulfation dust-extraction device (4) and carries out desulfurization and dust removal process, and tail gas just can qualified discharge.
3. a kind of volatile organic waste gas boiler heating power according to claim 2 burns process for purifying, it is characterized in that described volatile organic waste gas comprises chloroform, methyl alcohol, methyl mercaptan and foul gas.
4. a kind of volatile organic waste gas boiler heating power according to claim 2 burns process for purifying, it is characterized in that described absorption or absorption plant are: physical and chemical adsorption device and alkali cleaning absorb the acidic materials device.
5. a kind of volatile organic waste gas boiler heating power according to claim 1 burns process for purifying, it is characterized in that described boiler is: power supply or heating boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110032214 CN102116482A (en) | 2011-01-30 | 2011-01-30 | System and process for heat power incineration and purification of volatile organic waste gas boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110032214 CN102116482A (en) | 2011-01-30 | 2011-01-30 | System and process for heat power incineration and purification of volatile organic waste gas boiler |
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| CN102116482A true CN102116482A (en) | 2011-07-06 |
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|---|---|---|---|
| CN 201110032214 Pending CN102116482A (en) | 2011-01-30 | 2011-01-30 | System and process for heat power incineration and purification of volatile organic waste gas boiler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697482A (en) * | 2013-12-09 | 2014-04-02 | 浙江环科环境研究院有限公司 | Treatment system and treatment process for organic waste gas boiler thermal incinerating |
| CN104190232A (en) * | 2014-09-05 | 2014-12-10 | 淄博高汇化工有限公司 | Vulcanization accelerator M tail gas treatment device |
| CN113209793A (en) * | 2021-05-13 | 2021-08-06 | 湖南农业大学 | Purification system and purification process for chlorine-containing volatile organic compounds |
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| WO2003002912A1 (en) * | 2001-06-29 | 2003-01-09 | Seghers Keppel Technology Group Nv | Flue gas purification device for an incinerator |
| CN1416941A (en) * | 2002-12-12 | 2003-05-14 | 江西省国燕橡胶有限公司 | Technological tail gas purifying method for reclaimed rubber production |
| CN201106855Y (en) * | 2007-06-15 | 2008-08-27 | 杰智环境科技股份有限公司 | Heat-accumulation type incinerator |
| KR20090067659A (en) * | 2007-12-21 | 2009-06-25 | 재단법인 포항산업과학연구원 | Incinerator and method for removing mercury thereof |
| CN201964431U (en) * | 2011-01-30 | 2011-09-07 | 浙江省环境保护科学设计研究院 | Heating power incineration and purification system for volatile organic waste gas boiler |
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2011
- 2011-01-30 CN CN 201110032214 patent/CN102116482A/en active Pending
Patent Citations (5)
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| WO2003002912A1 (en) * | 2001-06-29 | 2003-01-09 | Seghers Keppel Technology Group Nv | Flue gas purification device for an incinerator |
| CN1416941A (en) * | 2002-12-12 | 2003-05-14 | 江西省国燕橡胶有限公司 | Technological tail gas purifying method for reclaimed rubber production |
| CN201106855Y (en) * | 2007-06-15 | 2008-08-27 | 杰智环境科技股份有限公司 | Heat-accumulation type incinerator |
| KR20090067659A (en) * | 2007-12-21 | 2009-06-25 | 재단법인 포항산업과학연구원 | Incinerator and method for removing mercury thereof |
| CN201964431U (en) * | 2011-01-30 | 2011-09-07 | 浙江省环境保护科学设计研究院 | Heating power incineration and purification system for volatile organic waste gas boiler |
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| 《环境污染与防治》 20091031 吴康跃等 农药厂废气污染综合治理系统设计与应用 第31卷, 第10期 2 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697482A (en) * | 2013-12-09 | 2014-04-02 | 浙江环科环境研究院有限公司 | Treatment system and treatment process for organic waste gas boiler thermal incinerating |
| CN103697482B (en) * | 2013-12-09 | 2016-08-17 | 浙江环科环境研究院有限公司 | A kind of organic exhaust gas boiler heating power burning processing system and process technique |
| CN104190232A (en) * | 2014-09-05 | 2014-12-10 | 淄博高汇化工有限公司 | Vulcanization accelerator M tail gas treatment device |
| CN113209793A (en) * | 2021-05-13 | 2021-08-06 | 湖南农业大学 | Purification system and purification process for chlorine-containing volatile organic compounds |
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Application publication date: 20110706 |