CN103212283A - Glass tank flue gas treatment system - Google Patents
Glass tank flue gas treatment system Download PDFInfo
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- CN103212283A CN103212283A CN2013101655152A CN201310165515A CN103212283A CN 103212283 A CN103212283 A CN 103212283A CN 2013101655152 A CN2013101655152 A CN 2013101655152A CN 201310165515 A CN201310165515 A CN 201310165515A CN 103212283 A CN103212283 A CN 103212283A
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Abstract
The invention discloses a glass tank flue gas treatment system which comprises a denitration system, a dedusting and boron-removing system and a flue gas discharge system, wherein the dedusting system comprises an atomizing and ash-cleaning tank and a water circulation component of the atomizing and ash-cleaning tank; the denitration system comprises an SCR (selective reduction rectifier) reactor, a urea solution storage tank, a metering pump and a urea solution ejector; the boron-removing system comprises a cyclone water membrane deduster, a reaction absorption tower, a sediment tank, a circulating tank, a first circulating pump, a second circulating pump, an alkaline solution preparation tank and an alkaline solution supplying and metering pump; and the flue gas discharge system comprises a steam-water separator, a frequency conversion fan and a chimney. The flue gas treatment system can treat borides and nitride oxides and smoke in the flue gas effectively, can effectively prevent the phenomena of flue material dust coagulation and blocking and boride blocking, guarantee the continuous and stable operation of the tank, has long service life of the system, is convenient to maintain, and is low in running cost.
Description
Technical field
The invention belongs to the flue gas processing technology field, relate in particular to a kind of glass tank furnace gas treatment system.
Background technology
At present, desulfurization, denitration, dedusting technology be comparative maturity, but the processing of boride contained in the glass tank furnace gas and strict furnace pressure are guaranteed that (the furnace pressure fluctuation requires in ± 2Pa) still new problem.Boride is active high in different temperature, humidity environment, can be solid-state, liquid state and gaseous form and exist, and traditional flue gas treating process can not satisfy.
Summary of the invention
The object of the present invention is to provide a kind of glass tank furnace gas treatment system, its can ensure tank furnace to furnace pressure stable (the furnace pressure fluctuation require ± 2Pa) and the strict demand that throughout the year runs without interruption, boride contained in the flue gas, flue dust, nitrogen oxide etc. are removed, satisfy national environmental standard, to solve the problem that the glass tank furnace gas processing exists in the prior art.
For reaching this purpose, the present invention by the following technical solutions:
A kind of glass tank furnace gas treatment system, it comprises denitrating system, dedusting, take off boron system and flue gas emission, wherein, described denitrating system comprises urea liquid storage tank, urea liquid conveying and metering pump, urea liquid sprayer, SCR reactor, wherein the urea liquid sprayer is arranged on tank furnace exhanst gas outlet section, and the SCR reactor is arranged on the tank furnace flue behind the urea liquid sprayer;
Described dedusting, take off the boron system and comprise that spraying deashing jar, cyclonic water film deduster, reaction absorption tower, sedimentation basin, circulatory pool, first circulating pump, second circulating pump, alkali lye preparing tank, alkali lye supplies with measuring pump; The deashing jar of wherein spraying is connected with tank furnace exhanst gas outlet emergency bypass, cyclonic water film deduster is connected with the SCR reactor by flue, the reaction absorption tower is connected with the cyclonic water film deduster outlet by flue, sedimentation basin by fluid pipeline respectively with cyclonic water film deduster, bottom, reaction absorption tower connects, circulatory pool is connected with the sedimentation basin middle and upper part by the liquid connecting pipe, first pump inlet is connected with the circulatory pool middle and lower part by pipeline, first circulating-pump outlet is connected with the cyclonic water film deduster upper nozzle by pipeline, second pump inlet is connected with the circulatory pool middle and lower part by pipeline, second circulating-pump outlet is connected with reaction absorption tower upper nozzle by pipeline, the alkali lye preparing tank is supplied with measuring pump by fluid pipeline and alkali lye and is connected, alkali lye is supplied with measuring pump and is connected with sedimentation basin by fluid pipeline, and described flue gas emission is connected with the reaction absorption tower.
Especially, described flue gas emission comprises gas-liquid separator, blower fan and chimney, wherein gas-liquid separator is connected with reaction absorption tower top exit by flue, and blower and pipeline is connected with gas-liquid separator, and chimney is connected with the blower fan outlet by flue.
Especially, described blower fan is a frequency conversion fan, ensures that with control flue gas aspiration the tank furnace furnace pressure is stable.
Especially, described spraying deashing jar is mended wind by an electronic flue gas butterfly valve.
Described glass tank furnace gas treatment system adopts frit disintegrating slag and the flue dust in the dust pelletizing system smoke treatment; Adopt urea as the nitrogen oxide in reducing agent, the selective-catalytic-reduction denitrified system handles flue gas of SCR; Adopt sodium hydrate aqueous solution through taking off boron system handles boride and part nitrogen oxide and extremely low harmful substances such as sulfur dioxide; Employing frequency conversion fan control flue gas aspiration is stable to ensure the tank furnace furnace pressure, and the clean flue gas after handling is arranged to atmosphere through flue gas emission.
Beneficial effect of the present invention is, compared with prior art described glass tank furnace gas treatment system removes glass disintegrating slag and the part flue dust in the flue gas earlier, remove the NO in the flue gas again, then the flue gas that removes flue dust, NO is taken off boron, dust removal process, at last the clean flue gas after taking off boron, dedusting is discharged.Boride, nitrogen oxide and flue dust in the effective smoke treatment of instinct, and prevent effectively that flue material dirt from condensing and stop up and the generation of boride clogging, ensure the uninterrupted stable operation of tank furnace, can ensure that glass melting furnace is to the stable strict demand of furnace pressure, system's long service life, easy to maintenance, operating cost is low.
Description of drawings
Fig. 1 is the system diagram of the glass tank furnace gas treatment system that provides of the specific embodiment of the invention 1.
The specific embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and by the specific embodiment.
See also shown in Figure 1ly, Fig. 1 is the system diagram of the glass tank furnace gas treatment system that provides of the specific embodiment of the invention 1.
In the present embodiment, a kind of glass tank furnace gas treatment system, it comprises denitrating system, dedusting, take off boron system and flue gas emission, described denitrating system comprises urea liquid storage tank 1, urea liquid conveying and metering pump 2, urea liquid sprayer 3, SCR reactor 4, the bottom of described urea liquid storage tank 1 offers sewage draining exit 18, wherein said urea liquid sprayer 3 is arranged on tank furnace exhanst gas outlet section, and described SCR reactor 4 is arranged on the tank furnace flue behind the urea liquid sprayer 3; Described dedusting, take off the boron system and comprise that spraying deashing jar 5, cyclonic water film deduster 6, reaction absorption tower 7, sedimentation basin 8, circulatory pool 9, first circulating pump 10, second circulating pump 11, alkali lye preparing tank 12, alkali lye supplies with measuring pump 13; The deashing jar 5 of wherein spraying is connected by an electronic flue gas butterfly valve 17 with tank furnace exhanst gas outlet emergency bypass mends wind, described cyclonic water film deduster 6 is connected with SCR reactor 4 by flue, reaction absorption tower 7 is connected with cyclonic water film deduster 6 outlets by flue, sedimentation basin 8 by fluid pipeline respectively with cyclonic water film deduster 6, reaction 7 bottoms, absorption tower connect, circulatory pool 9 is connected with sedimentation basin 8 middle and upper parts by the liquid connecting pipe, 10 imports of first circulating pump are connected with circulatory pool 9 middle and lower parts by pipeline, 10 outlets of first circulating pump are connected with cyclonic water film deduster 6 upper nozzles by pipeline, 11 imports of second circulating pump are connected with circulatory pool 9 middle and lower parts by pipeline, 11 outlets of second circulating pump are connected with reaction absorption tower 7 upper nozzles by pipeline, alkali lye preparing tank 12 is supplied with measuring pump 13 by fluid pipeline and alkali lye and is connected, and alkali lye is supplied with measuring pump 13 and is connected with sedimentation basin 8 by fluid pipeline; Described flue gas emission comprises gas-liquid separator 14, blower fan 15 and chimney 16.Wherein gas-liquid separator 14 is connected with reaction absorption tower 7 top exits by flue, and frequency conversion fan 15 is connected with gas-liquid separator 14 by pipeline, and chimney 16 is connected with frequency conversion fan 15 outlets by flue.
During work, urea is taken out to urea solution jet device 3 through urea measuring pump 2 after urea liquid storage tank 1 stirring and dissolving becomes 15～20% concentration, sprays into high-temperature flue behind the compressed again air mixed aerosol and fully mixes with the tank furnace high-temperature flue gas.Mixed tank furnace flue gas is after spraying deashing jar 5 carries out rough dusting, carry out the nitrous oxides selectivity reduction reaction through SCR reactor 4, flue gas behind the nitrogen oxides reduction cools off, takes off boron, dedusting through cyclonic water film deduster 6 again, enter reaction absorption tower 7 again and carry out the reaction absorption of residual nitrogen oxide, sulfur dioxide, boride etc., clean flue gas is drawn into chimney 16 rows to atmosphere through frequency conversion fan 15 again after gas-liquid separator 14 carries out gas-water separation.
NaOH becomes the alkali lye of 5% left and right sides concentration through alkali lye preparing tank 12 stirring and dissolving, be neutralized into inclined to one side aqueous slkali overflow to circulatory pool 9 according to the pH value decision flow of solution in the circulatory pool 9 through the associated conduit suction sedimentation basin 8 and the aqueous solution by alkali lye measuring pump 13 again, in the circulatory pool 9 solution through first circulating pump 10 via associated conduit suction cyclonic water film deduster 6, by fully washing with flue gas after the nozzle atomization, solution reacts absorption tower 7 through second circulating pump 11 via the associated conduit suction in the circulatory pool 9, by the nitrogen oxide in abundant after the nozzle atomization and the flue gas, the reaction of compounds such as sulfur dioxide also absorbs, cyclonic water film deduster 6, the aqueous solution in the reaction absorption tower 7 is back to sedimentation basin 8 through associated conduit again, and with via alkali lye preparing tank 12, the alkali lye generation neutralization reaction that alkali lye metering 13 flows into, it is recycling to circulatory pool 9 that inclined to one side aqueous slkali after the neutralization continues overflow, and the sediment that wherein is deposited in sedimentation basin 8 bottoms enters Waste Water Treatment through blow-off line and carries out integrated treatment.
Above embodiment has just set forth basic 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 (4)
1. glass tank furnace gas treatment system, it comprises denitrating system, dedusting, take off boron system and flue gas emission, it is characterized in that, described denitrating system comprises urea liquid storage tank, urea liquid conveying and metering pump, urea liquid sprayer, SCR reactor, wherein the urea liquid sprayer is arranged on tank furnace exhanst gas outlet section, and the SCR reactor is arranged on the tank furnace flue behind the urea liquid sprayer;
Described dedusting, take off the boron system and comprise that spraying deashing jar, cyclonic water film deduster, reaction absorption tower, sedimentation basin, circulatory pool, first circulating pump, second circulating pump, alkali lye preparing tank, alkali lye supplies with measuring pump; The deashing jar of wherein spraying is connected with tank furnace exhanst gas outlet emergency bypass, cyclonic water film deduster is connected with the SCR reactor by flue, the reaction absorption tower is connected with the cyclonic water film deduster outlet by flue, sedimentation basin by fluid pipeline respectively with cyclonic water film deduster, bottom, reaction absorption tower connects, circulatory pool is connected with the sedimentation basin middle and upper part by the liquid connecting pipe, first pump inlet is connected with the circulatory pool middle and lower part by pipeline, first circulating-pump outlet is connected with the cyclonic water film deduster upper nozzle by pipeline, second pump inlet is connected with the circulatory pool middle and lower part by pipeline, second circulating-pump outlet is connected with reaction absorption tower upper nozzle by pipeline, the alkali lye preparing tank is supplied with measuring pump by fluid pipeline and alkali lye and is connected, alkali lye is supplied with measuring pump and is connected with sedimentation basin by fluid pipeline, and described flue gas emission is connected with the reaction absorption tower.
2. glass tank furnace gas treatment system according to claim 1, it is characterized in that, described flue gas emission comprises gas-liquid separator, blower fan and chimney, wherein gas-liquid separator is connected with reaction absorption tower top exit by flue, blower and pipeline is connected with gas-liquid separator, and chimney is connected with the blower fan outlet by flue.
3. glass tank furnace gas treatment system according to claim 2 is characterized in that, described blower fan is a frequency conversion fan.
4. glass tank furnace gas treatment system according to claim 1 is characterized in that, described spraying deashing jar is mended wind by an electronic flue gas butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310165515.2A CN103212283B (en) | 2013-05-07 | 2013-05-07 | Glass tank flue gas treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310165515.2A CN103212283B (en) | 2013-05-07 | 2013-05-07 | Glass tank flue gas treatment system |
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| CN103212283A true CN103212283A (en) | 2013-07-24 |
| CN103212283B CN103212283B (en) | 2015-07-22 |
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| CN201310165515.2A Expired - Fee Related CN103212283B (en) | 2013-05-07 | 2013-05-07 | Glass tank flue gas treatment system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107837635A (en) * | 2017-11-02 | 2018-03-27 | 龙伍洋 | Double source waste gas environment-friendly disposal system |
| CN108786408A (en) * | 2018-08-17 | 2018-11-13 | 深圳市凯盛科技工程有限公司 | Thin float glass substrate production line denitrating flue gas boron removal dust removal integrated plant |
| CN109621671A (en) * | 2018-12-14 | 2019-04-16 | 国联汽车动力电池研究院有限责任公司 | A kind of molten-salt electrolysis exhaust gas treating method and processing system |
| CN111871176A (en) * | 2020-08-31 | 2020-11-03 | 湖南旗滨医药材料科技有限公司 | Flue gas treatment method and flue gas treatment system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247752A (en) * | 2011-07-19 | 2011-11-23 | 陕西彩虹电子玻璃有限公司 | Flue gas treatment system of tank furnace and flue gas treatment method thereof |
| CN203253335U (en) * | 2013-05-07 | 2013-10-30 | 苏圣科技（无锡）有限公司 | Glass tank furnace flue gas treatment system |
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2013
- 2013-05-07 CN CN201310165515.2A patent/CN103212283B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247752A (en) * | 2011-07-19 | 2011-11-23 | 陕西彩虹电子玻璃有限公司 | Flue gas treatment system of tank furnace and flue gas treatment method thereof |
| CN203253335U (en) * | 2013-05-07 | 2013-10-30 | 苏圣科技（无锡）有限公司 | Glass tank furnace flue gas treatment system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107837635A (en) * | 2017-11-02 | 2018-03-27 | 龙伍洋 | Double source waste gas environment-friendly disposal system |
| CN108786408A (en) * | 2018-08-17 | 2018-11-13 | 深圳市凯盛科技工程有限公司 | Thin float glass substrate production line denitrating flue gas boron removal dust removal integrated plant |
| CN109621671A (en) * | 2018-12-14 | 2019-04-16 | 国联汽车动力电池研究院有限责任公司 | A kind of molten-salt electrolysis exhaust gas treating method and processing system |
| CN111871176A (en) * | 2020-08-31 | 2020-11-03 | 湖南旗滨医药材料科技有限公司 | Flue gas treatment method and flue gas treatment system |
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| CN103212283B (en) | 2015-07-22 |
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Granted publication date: 20150722 Termination date: 20200507 |