CN103212283B - Glass tank flue gas treatment system - Google Patents
Glass tank flue gas treatment system Download PDFInfo
- Publication number
- CN103212283B CN103212283B CN201310165515.2A CN201310165515A CN103212283B CN 103212283 B CN103212283 B CN 103212283B CN 201310165515 A CN201310165515 A CN 201310165515A CN 103212283 B CN103212283 B CN 103212283B
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- China
- Prior art keywords
- tank
- flue gas
- flue
- pump
- pipeline
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- 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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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000003546 flue gas Substances 0.000 title claims abstract description 33
- 239000011521 glass Substances 0.000 title claims abstract description 16
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000004202 carbamide Substances 0.000 claims abstract description 23
- 238000010521 absorption reaction Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 36
- 239000003513 alkali Substances 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 18
- 238000004062 sedimentation Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 12
- 229910052796 boron Inorganic materials 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 10
- 238000013329 compounding Methods 0.000 claims description 8
- 230000008901 benefit Effects 0.000 claims description 3
- 239000000243 solution Substances 0.000 abstract description 9
- 239000000779 smoke Substances 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 abstract description 2
- 239000012670 alkaline solution Substances 0.000 abstract 2
- 238000004140 cleaning Methods 0.000 abstract 2
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 150000004767 nitrides Chemical class 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 25
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
- 235000011121 sodium hydroxide Nutrition 0.000 description 12
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 239000003500 flue dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
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 fume treatment technical field, particularly relate to a kind of glass tank furnace gas treatment system.
Background technology
At present, desulphurization and denitration, dedusting technology comparative maturity, but (furnace pressure surge requirements ± 2Pa) or a new problem are ensured to the process of boride contained in glass tank furnace gas and strict furnace pressure.Boride is active high in different temperature, humidity environment, and can exist in solid-state, liquid and gaseous form, traditional flue gas treating process can not meet.
Summary of the invention
The object of the present invention is to provide a kind of glass tank furnace gas treatment system, it can ensure that tank furnace is to furnace pressure stable (furnace pressure surge requirements ± 2Pa) and the strict demand that runs without interruption throughout the year, boride, flue dust, nitrogen oxide etc. contained in flue gas are removed, meet national environmental standard, to solve glass tank furnace gas process Problems existing in prior art.
For reaching this object, the present invention by the following technical solutions:
A kind of glass tank furnace gas treatment system, it comprises denitrating system, dedusting, de-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 urea liquid sprayer is arranged on tank furnace exhanst gas outlet section, and SCR reactor is arranged on the tank furnace flue after urea liquid sprayer;
Described dedusting, de-boron system comprise spraying deashing tank, cyclonic water film deduster, reactive absorption tower, sedimentation basin, circulatory pool, the first circulating pump, the second circulating pump, Alkali liquid compounding tank, alkali lye supply measuring pump, deashing tank of wherein spraying is connected with tank furnace exhanst gas outlet emergency bypass, cyclonic water film deduster is connected with SCR reactor by flue, reactive absorption tower to be exported with cyclonic water film deduster by flue and is connected, sedimentation basin by fluid pipeline respectively with cyclonic water film deduster, reactive absorption tower bottom connects, circulatory pool is connected with sedimentation basin middle and upper part by fluid connection tube road, first pump inlet is connected with circulatory pool middle and lower part by pipeline, first circulating-pump outlet is connected with cyclonic water film deduster upper nozzle by pipeline, second pump inlet is connected with circulatory pool middle and lower part by pipeline, second circulating-pump outlet is connected with reactive absorption tower upper nozzle by pipeline, Alkali liquid compounding tank supplies measuring pump by fluid pipeline and alkali lye and is connected, alkali lye supply measuring pump is connected with sedimentation basin by fluid pipeline, described flue gas emission is connected with reactive absorption tower.
Especially, described flue gas emission comprises gas-liquid separator, blower fan and chimney, wherein gas-liquid separator to be exported with reactive absorption top of tower by flue and is connected, and blower and pipeline is connected with gas-liquid separator, and chimney is connected with fan outlet by flue.
Especially, described blower fan is frequency conversion fan, ensures that tank furnace furnace pressure is stablized to control flue gas aspiration.
Especially, described spraying deashing tank carries out benefit wind by an electronic flue gas butterfly valve.
Frit disintegrating slag in described glass tank furnace gas treatment system employing dust pelletizing system smoke treatment and flue dust; Adopt urea as the nitrogen oxide in reducing agent, the selective-catalytic-reduction denitrified system smoke treatment of SCR; Adopt sodium hydrate aqueous solution through de-boron system process boride and the harmful substance such as part nitrogen oxide and extremely low sulfur dioxide; Adopt frequency conversion fan to control flue gas aspiration to ensure that tank furnace furnace pressure is stablized, by the clean flue gas after processing through flue gas emission discharged to air.
Beneficial effect of the present invention is, compared with prior art described glass tank furnace gas treatment system first removes glass disintegrating slag in flue gas and part flue dust, remove the NO in flue gas again, then to removing flue dust, the flue gas of NO carries out de-boron, dust removal process, finally the clean flue gas after de-boron, dedusting is discharged.Boride, nitrogen oxide and flue dust in the effective smoke treatment of instinct, and effectively prevent flue material dirt condensation blocking and boride clogging from occurring, ensure the uninterrupted stable operation of tank furnace, can ensure that glass melting furnace is to the stable strict demand of furnace pressure, system long service life, easy to maintenance, operating cost is low.
Accompanying drawing explanation
Fig. 1 is the system diagram of the glass tank furnace gas treatment system that the specific embodiment of the invention 1 provides.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Refer to shown in Fig. 1, Fig. 1 is the system diagram of the glass tank furnace gas treatment system that the specific embodiment of the invention 1 provides.
In the present embodiment, a kind of glass tank furnace gas treatment system, it comprises denitrating system, dedusting, de-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 solution 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 after urea liquid sprayer 3, described dedusting, de-boron system comprise spraying deashing tank 5, cyclonic water film deduster 6, reactive absorption tower 7, sedimentation basin 8, circulatory pool 9, first circulating pump 10, second circulating pump 11, Alkali liquid compounding tank 12, alkali lye supply measuring pump 13, deashing tank 5 of wherein spraying is connected with tank furnace exhanst gas outlet emergency bypass and carries out benefit wind by an electronic flue gas butterfly valve 17, described cyclonic water film deduster 6 is connected with SCR reactor 4 by flue, reactive absorption tower 7 to be exported with cyclonic water film deduster 6 by flue and is connected, sedimentation basin 8 by fluid pipeline respectively with cyclonic water film deduster 6, connect bottom reactive absorption tower 7, circulatory pool 9 is connected with sedimentation basin 8 middle and upper part by fluid connection tube road, first circulating pump 10 import is connected with circulatory pool 9 middle and lower part by pipeline, first circulating pump 10 is exported and is connected with cyclonic water film deduster 6 upper nozzle by pipeline, second circulating pump 11 import is connected with circulatory pool 9 middle and lower part by pipeline, second circulating pump 11 is exported and is connected with reactive absorption tower 7 upper nozzle by pipeline, Alkali liquid compounding tank 12 supplies measuring pump 13 by fluid pipeline and alkali lye and is connected, alkali lye supply measuring pump 13 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 reactive absorption tower 7 top exit by flue, and frequency conversion fan 15 is connected with gas-liquid separator 14 by pipeline, and chimney 16 to be exported with frequency conversion fan 15 by flue and is connected.
During work, urea, after urea liquid storage tank 1 stirring and dissolving becomes 15 ~ 20% concentration, pumps to spraying urea liquid emitter 3 through urea measuring pump 2, more compressed air mixing atomizing after spray into high-temperature flue and fully mix with tank furnace high-temperature flue gas.Mixed tank furnace flue gas is after spraying deashing tank 5 carries out rough dusting, nitrous oxides selectivity reduction reaction is carried out through SCR reactor 4, flue gas after nitrogen oxides reduction carries out cooling, taking off boron, dedusting through cyclonic water film deduster 6 again, enter the reactive absorption that reactive absorption tower 7 carries out residual nitrogen oxide, sulfur dioxide, boride etc. again, clean flue gas after gas-liquid separator 14 carries out gas-water separation, then is drawn into chimney 16 discharged to air through frequency conversion fan 15.
NaOH becomes the alkali lye of about 5% concentration through Alkali liquid compounding tank 12 stirring and dissolving, determine that flow is neutralized into the overflow of meta-alkali solution to circulatory pool 9 through associated conduit suction sedimentation basin 8 and the aqueous solution by alkali lye measuring pump 13 according to the pH value of solution in circulatory pool 9 again, in circulatory pool 9 solution through the first circulating pump 10 via associated conduit suction cyclonic water film deduster 6, fully wash with flue gas by after nozzle atomization, in circulatory pool 9 solution through the second circulating pump 11 via associated conduit suction reactive absorption tower 7, by the nitrogen oxide after nozzle atomization fully and in flue gas, the compounds such as sulfur dioxide react and absorb, cyclonic water film deduster 6, the aqueous solution in reactive absorption tower 7 is back to sedimentation basin 8 through associated conduit again, and with via Alkali liquid compounding tank 12, the alkali lye generation neutralization reaction that alkali lye metering 13 flows into, meta-alkali solution after neutralization continues overflow and recycles to circulatory pool 9, the sediment be wherein deposited in bottom sedimentation basin 8 enters Waste Water Treatment through blow-off line and carries out integrated treatment.
Above embodiment has just set forth general principle of the present invention and characteristic; the present invention does not limit by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and change all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (1)
1. a glass tank furnace gas treatment system, it comprises denitrating system, dedusting, de-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 urea liquid sprayer is arranged on tank furnace exhanst gas outlet section, and SCR reactor is arranged on the tank furnace flue after urea liquid sprayer;
Described dedusting, de-boron system comprise spraying deashing tank, cyclonic water film deduster, reactive absorption tower, sedimentation basin, circulatory pool, the first circulating pump, the second circulating pump, Alkali liquid compounding tank, alkali lye supply measuring pump, deashing tank of wherein spraying is connected with tank furnace exhanst gas outlet emergency bypass, cyclonic water film deduster is connected with SCR reactor by flue, reactive absorption tower to be exported with cyclonic water film deduster by flue and is connected, sedimentation basin by fluid pipeline respectively with cyclonic water film deduster, reactive absorption tower bottom connects, circulatory pool is connected with sedimentation basin middle and upper part by fluid connection tube road, first pump inlet is connected with circulatory pool middle and lower part by pipeline, first circulating-pump outlet is connected with cyclonic water film deduster upper nozzle by pipeline, second pump inlet is connected with circulatory pool middle and lower part by pipeline, second circulating-pump outlet is connected with reactive absorption tower upper nozzle by pipeline, Alkali liquid compounding tank supplies measuring pump by fluid pipeline and alkali lye and is connected, alkali lye supply measuring pump is connected with sedimentation basin by fluid pipeline, described flue gas emission is connected with reactive absorption tower, described flue gas emission comprises gas-liquid separator, blower fan and chimney, wherein gas-liquid separator to be exported with reactive absorption top of tower by flue and is connected, blower and pipeline is connected with gas-liquid separator, chimney is connected with fan outlet by flue, described blower fan is frequency conversion fan, described spraying deashing tank carries out benefit 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310165515.2A CN103212283B (en) | 2013-05-07 | 2013-05-07 | Glass tank flue gas treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103212283A CN103212283A (en) | 2013-07-24 |
| CN103212283B true CN103212283B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Families Citing this family (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 |
| CN111871176B (en) * | 2020-08-31 | 2025-07-29 | 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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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 |
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| Publication number | Publication date |
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| CN103212283A (en) | 2013-07-24 |
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Granted publication date: 20150722 Termination date: 20200507 |