CN102626583A - Apparatus and method for removing multi-component pollutants from smoke of glass kiln - Google Patents
Apparatus and method for removing multi-component pollutants from smoke of glass kiln Download PDFInfo
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- CN102626583A CN102626583A CN2012100756522A CN201210075652A CN102626583A CN 102626583 A CN102626583 A CN 102626583A CN 2012100756522 A CN2012100756522 A CN 2012100756522A CN 201210075652 A CN201210075652 A CN 201210075652A CN 102626583 A CN102626583 A CN 102626583A
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- absorption tower
- flue gas
- alkali lye
- preparation facilities
- glass
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention discloses an apparatus and a method for removing multi-component pollutants from a smoke of a glass kiln. The apparatus comprises an absorption tower, the middle part of the absorption tower is provided with an absorption tower gas inlet which is connected with a reactor, the front end of the reactor is connected with a bag-type dust collector and a strong oxidant preparation device, the upper part in the absorption tower is provided with a spray layer, a demister is arranged above the spray layer, and an absorption tower material outlet is connected with a sulfate preparation device and a nitrate preparation device. The absorption tower is provided with a circulating pipeline connecting the lower part of the absorption tower with the upper part of the absorption tower, and the circulating pipeline is provided with a circulating pump. The circulating pipeline is connected with an alkaline solution pipeline added with an alkaline solution, and the alkaline solution pipeline is connected with an alkaline solution tank through an alkaline solution pump. After using the apparatus to dedust, desulfurize and denitrate, the dust concentration is within 50mg/Nm<3>, the SO2 concentration is within 100mg/Nm<3>, and the NOx concentration is controlled within 500mg/N<3>, so standard reaching discharge is realized.
Description
Technical field
The present invention relates to a kind of glass stove flue gas multicomponent pollutant that is used for and remove device and removal methods.
Background technology
Because the glass manufacturing has the particularity of industry, melting furnaces must keep stable furnace pressure, and the furnace pressure of general operate as normal is about 6Pa; Needed to switch fuel lance and combustion air in per 20 minutes; Discharge through flue shutter control flue gas, normal to keep furnace pressure, therefore; The characteristics that the flue-gas dust-removing and desulfurization denitration technology of glass melter must combine glass to make are guaranteed the stable of glass melter furnace pressure.
The main contents of glass melter flue gas desulfurization and dedusting technology are exactly to research and develop out suitable sulfur method and desulfurizing agent; Confirm technological parameter, reaction condition and the technological process of science according to the characteristics of glass melter, be equipped with rational equipment, automatic control mode reaches the purpose that makes glass melter flue gas qualified discharge.
Glass melter on new at present is for environmental protection and energy saving, and fuel all adopts natural gas or coal, the flue gas of generation, and dust concentration is low, SO
2Concentration 600～1500mg/Nm
3, NOx concentration 1500-3000mg/Nm
3, the purity of desulphurization denitration end-product is than higher, for realizing recycling the good condition of having created.
Summary of the invention
The technical issues that need to address of the present invention just are to overcome the defective of prior art, provide a kind of glass stove flue gas multicomponent pollutant that is used for to remove device and removal methods, use its dust-removal and desulfurizing denitration after, dust concentration 50mg/Nm
3In, SO
2Concentration 100mg/Nm
3In, NOx concentration is controlled at 500mg/Nm
3With interior qualified discharge.
For addressing the above problem, the present invention adopts following technical scheme:
The invention provides a kind of glass stove flue gas multicomponent pollutant that is used for and remove device; Said device comprises the absorption tower, and middle part, said absorption tower is provided with the absorption tower air inlet, and said absorption tower air inlet connects a reactor; Said reactor front end connects sack cleaner and strong oxidizer preparation facilities; The absorption tower internal upper part is provided with spraying layer, and the spraying layer top is provided with demister, and the absorption tower discharging opening connects sulfate preparation facilities and nitrate preparation facilities.
Said absorption tower is provided with a circulating line that connects bottom, absorption tower and top, and said circulating line is provided with circulating pump.
Connect an alkali lye pipeline that adds alkali lye on the said circulating line, said alkali lye pipeline connects alkali liquid tank through lye pump.
The present invention discloses a kind of glass stove flue gas multicomponent pollutant removal methods; Glass stove flue gas is through behind the sack cleaner high-effective dust-removing; React in reactor with the strong oxidizer that produces in the strong oxidizer preparation facilities; Strong oxidizer with dedusting after the rapid oxidation of pollutant (about 2 seconds) in the flue gas, oxidizing process need not to control temperature, has solved and has needed the defective using catalyst and need the control temperature in traditional denitrating technique.Reaction back mist gets into the absorption tower, and the alkali lye that sprays with spraying layer comes in contact reaction.Reacted a part of alkali lye at the bottom of the absorption tower, gets into the sulfate preparation facilities and the nitrate preparation facilities carries out the preparation of sulfate and nitrate, another part alkali lye can through circulating pump be connected pipeline and get back to spraying layer, carry out recycle.
The present invention can handle the glass melter flue gas effectively, carries out flue gas qualified discharge after the dust-removal and desulfurizing denitration.
The present invention adopts the alkali lye absorption of contaminants, and reaction back solution can prepare nitrate and sulfate, and recycle, form recycling economy, has solved effectively that desulfurization end-product in the traditional handicraft is difficult to handle and problem that waste water can't recycle.
The present invention can handle the glass melter flue gas effectively, dust-removal and desulfurizing denitration qualified discharge, and it is normal to operate steadily.After putting into operation, after treatment discharged flue gas be up to state standards " flat glass industry atmosphere pollutants emission standards " (GB26453-2011) in the requirement of standard: dust concentration＜50mg/m
3, sulfur dioxide concentration＜400mg/m
3, NOx concentration＜700mg/m
3, 1 grade of blackness of exhaustion (lingemann grade).And the present invention arranges compactness, and floor space is little, and reduced investment, operating cost are low, and accessory substance is easy to handle non-secondary pollution.
Main feature of the present invention has:
(1) operation of the present invention does not produce harmful effect to the ordinary production of glass melter.
(2) after desulfurization dust-removal system puts into operation, after treatment discharged flue gas be up to state standards " flat glass industry atmosphere pollutants emission standards " (GB26453-2011) in the requirement of standard: dust concentration＜50mg/m
3, sulfur dioxide concentration＜400mg/m
3, NOx concentration＜700mg/m
3, 1 grade of blackness of exhaustion (lingemann grade).
(3) desulfurization dust-removal system is arranged compactness, and floor space is little.
(4) desulfurizing byproduct is easy to handle non-secondary pollution.
(5) reduced investment, operating cost are low.
(6) adopt advanced automatic control system, desulfurization dust-removal system is monitored in real time, control adding of cleaning solution automatically, guarantee desulfuration efficiency, improve operant level according to the variation of pH value.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
As shown in Figure 1; The invention provides a kind of glass stove flue gas multicomponent pollutant that is used for and remove device; Said device comprises absorption tower 5, and middle part, said absorption tower is provided with absorption tower air inlet 4, and said absorption tower air inlet connects a reactor 2; Said reactor front end connects sack cleaner 1 and strong oxidizer preparation facilities 3; The absorption tower internal upper part is provided with spraying layer 6, and the spraying layer top is provided with demister 7, and the absorption tower discharging opening connects sulfate preparation facilities 12 and nitrate preparation facilities 13.
Said absorption tower is provided with a circulating line 8 that connects bottom, absorption tower and top, and said circulating line is provided with circulating pump 11.
Connect an alkali lye pipeline that adds alkali lye on the said circulating line, said alkali lye pipeline connects alkali liquid tank 10 through lye pump 9.
Glass stove flue gas is through behind the sack cleaner high-effective dust-removing; React in reactor with the strong oxidizer that produces in the strong oxidizer preparation facilities; Strong oxidizer with dedusting after the rapid oxidation of pollutant (about 2 seconds) in the flue gas; Oxidizing process need not to control temperature, has solved the defective that needs to use catalyst in traditional denitrating technique and need control temperature.Reaction back mist gets into the absorption tower, and the alkali lye that sprays with spraying layer comes in contact reaction.Reacted a part of alkali lye at the bottom of the absorption tower, gets into the sulfate preparation facilities and the nitrate preparation facilities carries out the preparation of sulfate and nitrate, another part alkali lye can through circulating pump be connected pipeline and get back to spraying layer, carry out recycle.
The present invention can handle the glass melter flue gas effectively, carries out flue gas qualified discharge after the dust-removal and desulfurizing denitration.
The present invention adopts the alkali lye absorption of contaminants, and reaction back solution can prepare nitrate and sulfate, and recycle, form recycling economy, has solved effectively that desulfurization end-product in the traditional handicraft is difficult to handle and problem that waste water can't recycle.
The present invention can handle the glass melter flue gas effectively, dust-removal and desulfurizing denitration qualified discharge, and it is normal to operate steadily.After putting into operation, after treatment discharged flue gas be up to state standards " flat glass industry atmosphere pollutants emission standards " (GB26453-2011) in the requirement of standard: dust concentration＜50mg/m
3, sulfur dioxide concentration＜400mg/m
3, NOx concentration＜700mg/m
3, 1 grade of blackness of exhaustion (lingemann grade).And the present invention arranges compactness, and floor space is little, and reduced investment, operating cost are low, and accessory substance is easy to handle non-secondary pollution.
The present invention has excellent generalization values for the glass stove multicomponent pollutant flue gas that is used for that is fit to China's actual conditions removes device in China.With Guangdong Floating-Method Glass Co. Ltd.'s floatation glass production line is example; Use should technology after; Can reduce 252.3 tons of smoke discharge amounts every year, reduce 1483.3 tons of SO2 emissions, to the acid rain harm that alleviates this area's subenvironment, improve ambient air quality and have tangible effect, if the whole employings of float glass line in the whole nation should technology; Then can reduce ton surplus the smoke discharge amount 10,000 every year, reduce ton surplus the SO2 emissions 100,000.Therefore has tangible environmental benefit.This technology has been started the successful precedent of Chinese glass industry melting furnaces flue gas desulfurization and dedusting; The raising that requires along with the reinforcement of environmental consciousness, environmental protection standard, " two control districts " and division and the reinforcement of environmental protection management intensity, the glass melter flue gas desulfurization and dedusting is extremely urgent.
After the present invention puts into operation, can eliminate the black smoke that the melting furnaces flue gas effluxes, improve the living environment of surrounding area, establish the good social image of enterprise, improve the competitiveness in corporate reputation and market.In addition, to promoting Chinese glass industry scientific and technological progress and sustainable development, has crucial meaning.In addition, this project not only can be used for the flue gas desulfurization and dedusting of glass industry, but also can be used for the flue gas desulfurization of other industry, like pottery, cement and boiler etc., so these project market prospects are wide.
What should explain at last is: obviously, the foregoing description only be for clearly the present invention is described and is done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being amplified out thus or change still are among protection scope of the present invention.
Claims (4)
1. one kind is used for glass stove flue gas multicomponent pollutant and removes device; It is characterized in that: said device comprises the absorption tower, and middle part, said absorption tower is provided with the absorption tower air inlet, and said absorption tower air inlet connects a reactor; Said reactor front end connects sack cleaner and strong oxidizer preparation facilities; The absorption tower internal upper part is provided with spraying layer, and the spraying layer top is provided with demister, and the absorption tower discharging opening connects sulfate preparation facilities and nitrate preparation facilities.
2. the glass stove flue gas multicomponent pollutant that is used for as claimed in claim 1 removes device, it is characterized in that: said absorption tower is provided with a circulating line that connects bottom, absorption tower and top, and said circulating line is provided with circulating pump.
3. the glass stove flue gas multicomponent pollutant that is used for as claimed in claim 2 removes device, it is characterized in that: connect an alkali lye pipeline that adds alkali lye on the said circulating line, said alkali lye pipeline connects alkali liquid tank through lye pump.
4. glass stove flue gas multicomponent pollutant removal methods; It is characterized in that: glass stove flue gas is through behind the sack cleaner high-effective dust-removing; React in reactor with the strong oxidizer that produces in the strong oxidizer preparation facilities; Strong oxidizer with dedusting after pollutant in the flue gas through rapid oxidation in 2 seconds, oxidizing process need not to control temperature, mist entering absorption tower, reaction back; Come in contact reaction with the alkali lye of spraying layer spray; Reacted a part of alkali lye at the bottom of the absorption tower, gets into the sulfate preparation facilities and the nitrate preparation facilities carries out the preparation of sulfate and nitrate, another part alkali lye can through circulating pump be connected pipeline and get back to spraying layer, carry out recycle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100756522A CN102626583A (en) | 2012-03-21 | 2012-03-21 | Apparatus and method for removing multi-component pollutants from smoke of glass kiln |
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| CN2012100756522A CN102626583A (en) | 2012-03-21 | 2012-03-21 | Apparatus and method for removing multi-component pollutants from smoke of glass kiln |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990374A (en) * | 2014-05-12 | 2014-08-20 | 孙立刚 | Novel desulfurization, denitrification, decarburization and dust removal purification combined device for coal-fired flue gas |
| CN105233645A (en) * | 2015-09-30 | 2016-01-13 | 北京首钢国际工程技术有限公司 | Energy saving and emission reduction comprehensive purifying treatment technology of coke oven flue gas |
| CN105771579A (en) * | 2016-04-20 | 2016-07-20 | 北京中能诺泰节能环保技术有限责任公司 | Flue gas purification system |
| CN107998761A (en) * | 2017-12-12 | 2018-05-08 | 唐山伟德船用设备有限公司 | A kind of marine exhaust desulfurizer and method |
| CN108607353A (en) * | 2018-07-11 | 2018-10-02 | 绵阳惠泽天下环保科技有限公司 | The system for solving the alkali metal oxide in smoke abatement |
| CN108816017A (en) * | 2018-07-11 | 2018-11-16 | 绵阳惠泽天下环保科技有限公司 | Air-extractor applied to acidolysis glass furnace flue gas process |
| CN108816016A (en) * | 2018-07-11 | 2018-11-16 | 绵阳惠泽天下环保科技有限公司 | The system for removing glass furnace flue dust by acidolysis |
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| CN1923337A (en) * | 2006-08-23 | 2007-03-07 | 浙江大学 | Boiler smoke gas multipollutant ozonization and simultaneous elimination device and method therefor |
| CN101053747A (en) * | 2007-04-30 | 2007-10-17 | 武汉凯迪电力环保有限公司 | Simultaneously desulfurization and denitration wet ammonia flue gas cleaning technology and system thereof |
| CN102247750A (en) * | 2011-07-11 | 2011-11-23 | 华东理工大学 | Device and method for simultaneously desulfurizing and denitrifying flue gas by ozone catalytic oxidation process |
| CN202478802U (en) * | 2012-03-21 | 2012-10-10 | 秦皇岛双轮环保科技有限公司 | Removing device for multi-component pollutants in glass furnace flue gas |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1923337A (en) * | 2006-08-23 | 2007-03-07 | 浙江大学 | Boiler smoke gas multipollutant ozonization and simultaneous elimination device and method therefor |
| CN101053747A (en) * | 2007-04-30 | 2007-10-17 | 武汉凯迪电力环保有限公司 | Simultaneously desulfurization and denitration wet ammonia flue gas cleaning technology and system thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990374A (en) * | 2014-05-12 | 2014-08-20 | 孙立刚 | Novel desulfurization, denitrification, decarburization and dust removal purification combined device for coal-fired flue gas |
| CN105233645A (en) * | 2015-09-30 | 2016-01-13 | 北京首钢国际工程技术有限公司 | Energy saving and emission reduction comprehensive purifying treatment technology of coke oven flue gas |
| CN105233645B (en) * | 2015-09-30 | 2017-11-21 | 北京首钢国际工程技术有限公司 | A kind of flue gases of cock oven energy-saving and emission-reduction comprehensive purifying handling process |
| CN105771579A (en) * | 2016-04-20 | 2016-07-20 | 北京中能诺泰节能环保技术有限责任公司 | Flue gas purification system |
| CN105771579B (en) * | 2016-04-20 | 2018-06-29 | 北京中能诺泰节能环保技术有限责任公司 | Flue gas purification system |
| CN107998761A (en) * | 2017-12-12 | 2018-05-08 | 唐山伟德船用设备有限公司 | A kind of marine exhaust desulfurizer and method |
| CN108607353A (en) * | 2018-07-11 | 2018-10-02 | 绵阳惠泽天下环保科技有限公司 | The system for solving the alkali metal oxide in smoke abatement |
| CN108816017A (en) * | 2018-07-11 | 2018-11-16 | 绵阳惠泽天下环保科技有限公司 | Air-extractor applied to acidolysis glass furnace flue gas process |
| CN108816016A (en) * | 2018-07-11 | 2018-11-16 | 绵阳惠泽天下环保科技有限公司 | The system for removing glass furnace flue dust by acidolysis |
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Application publication date: 20120808 |