CN103432888A - Flue gas denitration, desulfuration and dedusting integrated equipment of industrial boiler - Google Patents
Flue gas denitration, desulfuration and dedusting integrated equipment of industrial boiler Download PDFInfo
- Publication number
- CN103432888A CN103432888A CN2013103999840A CN201310399984A CN103432888A CN 103432888 A CN103432888 A CN 103432888A CN 2013103999840 A CN2013103999840 A CN 2013103999840A CN 201310399984 A CN201310399984 A CN 201310399984A CN 103432888 A CN103432888 A CN 103432888A
- Authority
- CN
- China
- Prior art keywords
- oxidation
- flue gas
- industrial boiler
- panel
- oxidation panel
- 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.)
- Pending
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 51
- 239000003546 flue gas Substances 0.000 title claims abstract description 42
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 230000003647 oxidation Effects 0.000 claims abstract description 124
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 124
- 238000010521 absorption reaction Methods 0.000 claims abstract description 28
- 239000003814 drug Substances 0.000 claims description 41
- 230000023556 desulfurization Effects 0.000 claims description 37
- 230000003009 desulfurizing effect Effects 0.000 claims description 28
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 26
- 239000000428 dust Substances 0.000 claims description 23
- 239000007921 spray Substances 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 15
- 238000004062 sedimentation Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 abstract 2
- 238000006297 dehydration reaction Methods 0.000 abstract 2
- 230000001131 transforming effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 239000000243 solution Substances 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229960002218 sodium chlorite Drugs 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention discloses flue gas denitration, desulfuration and dedusting integrated equipment of an industrial boiler. The flue gas denitration, desulfuration and dedusting integrated equipment is used for transforming a primary desulfuration and dedusting section, the upper half part of the primary desulfuration and dedusting section is changed into an oxidation section I, the lower half part of the primary desulfuration and dedusting section is provided with a desulfuration deduster, flue gas passes through an oxidation section I, then passes through a newly added oxidation section II, enters a dehydration section of the original desulfuration and dedusting section (the dehydration section is changed into an oxidation absorbing section, namely an absorption tower), enters an induced draft fan, and finally is discharged through a chimney. With the flue gas denitration, desulfuration and dedusting integrated equipment provided by the invention, the denitration and desulfuration efficiencies are greatly improved, the average desulfuration efficiency achieves more than 99.7%, and the denitration efficiency achieves more than 93.9%.
Description
Technical field
The present invention relates to the industrial smoke process field, in particular a kind of Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment.
Background technology
Harmful substance in boiler smoke is mainly flue dust, SO
2, NO
x.Current most widely used desulfur technology is wet method flue gas dust-removing desulfurizing, has very high desulfuration efficiency, but wet FGD is difficult to denitration simultaneously.This is because the NO in flue gas
xmore than 90%, be NO, it is a kind of inert gas, hardly by water or alkali liquor absorption.
At present, Industrial Boiler flue gas ash removal, desulphurization denitration main method, removal efficiency and shortcoming used is as follows: 1. also SNCR method of SNCR method.Its primary raw material is urea.Existing problems are: denitration efficiency is low, is less than 50%; The escaping of ammonia is serious,, affect surrounding enviroment and affect boiler efficiency; 2. also selective catalytic reduction of SCR method.Its primary raw material is urea.Existing problems are: denitration efficiency is low, 60-80%; Catalyst easily blocks, and flue dust affects catalyst life.The escaping of ammonia is serious, and corrosion is arranged.Affect surrounding enviroment; 3. liquid phase catalytic oxidation.Its primary raw material is sodium chlorite.Existing problems are: the sodium chlorite somewhat expensive, cost is high.4. organic catalysis oxidizing process.Its primary raw material is organic catalyst.Existing problems are: initial investment is larger.The power consumption of ozone preparation system is larger.The liquid oxygen transportation stores difficulty.Although NO can be by ClO
2, Cl
2, O
3deng the gaseous oxidizing agent oxidation, still, these oxidants are expensive, and simultaneously, gaseous oxidant is in service also abnormally dangerous at equipment.And in liquid phase oxidation, NaClO
2the oxidation absorption process is considered to reasonable while desulfurization denitration method.But NaClO
2denitration efficiency is the highest can only reach 65% left and right.And price is high, less economical, Cost Problems has affected the industrial applications of the method.How to reduce costs be crucial having under the prerequisite of higher denitrification efficiency.The present invention proposes a kind of integrated new technology of wet method while desulphurization denitration of high-efficiency and low-cost, by the NaClO absorption liquid, adding NaClO2, take the NaClO2/NaClO mixed solution as absorption liquid while desulphurization denitration.Overcome prior art and existed cost high, efficiency is low, and Zhou Bianhuan is increased to the problem that there is secondary pollution in border.Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment, be intended to solve prior art and exist cost high, efficiency is low, and Zhou Bianhuan is increased to the problem that there is secondary pollution in border.
Technical scheme of the present invention is as follows:
A kind of Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment, it comprises the venturi of cascade successively, elementary dust-removal and desulfurizing section, oxidation panel one, oxidation panel two, absorption tower and secondary tower, and air-introduced machine, chimney, sedimentation basin, desulfurization and dedusting pump, circulating pump, combined oxidation medicament pond, pharmacy jar, motor-driven valve, Hand-operated butterfly valve and PH meter, described air-introduced machine connects secondary tower and chimney; Described venturi, elementary dust-removal and desulfurizing section, absorption tower are connected sedimentation basin with secondary tower; Described desulfurization and dedusting pump is sent into the solution of sedimentation basin in venturi, elementary dust-removal and desulfurizing section and absorption tower, and flue gas is washed; Described circulating pump is sent into the medicament in combined oxidation medicament pond in oxidation panel one and oxidation panel two, and the medicament reclaimed in described oxidation panel one and oxidation panel two is recycled to combined oxidation medicament pond by pipeline; Described pharmacy jar is connected to combined oxidation medicament pond by motor-driven valve and Hand-operated butterfly valve, and described PH meter is arranged in combined oxidation medicament pond, separately is electrically connected to described motor-driven valve.
Described Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment, wherein, described oxidation panel one is arranged on the top of elementary dust-removal and desulfurizing section, the two intercepts by the armored concrete anticorrosive board, be provided with outlet passageway on the upper portion side wall of elementary dust-removal and desulfurizing section, bottom sides at described oxidation panel one is provided with inlet channel, the gas outlet UNICOM of this passage and elementary dust-removal and desulfurizing section.
Described Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment, wherein, the top of described oxidation panel one is provided with a plurality of sprays, described oxidation panel one and oxidation panel two UNICOMs, be provided with a plurality of sprays on the top of oxidation panel two, in the bottom sides of oxidation panel two, be provided with the flue with absorption tower UNICOM.
Described Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment, wherein, described absorption tower and secondary tower UNICOM are provided with air-introduced machine on the bottom sidewall of institute's secondary tower.
Described Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment, wherein, described armored concrete anticorrosive board is obliquely installed.
Described Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment, wherein, funnel-form is arranged in described oxidation panel two bottoms.
Described Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment, wherein, in described combined oxidation medicament pond, liquid PH is controlled between 5～7, in combined oxidation medicament pond, liquid exceeds this value range, the shutoff that described PH meter is controlled motor-driven valve is supplied with oxidation solution to combined oxidation medicament pond, in combined oxidation medicament pond, pH value is closed 7 the time higher than setting value, lower than setting value, within 5 o'clock, opens in compound oxidation medicament pond and adds oxidation solution.
Described Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment, wherein, NaClO and NaClO for described oxidation solution
2be configured to, wherein, NaClO concentration is 4mmol/L, NaClO
2concentration is 2mmol/L, and PH is 8～11.
Described Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment, wherein, UNICOM's flue specification of elementary dust-removal and desulfurizing section and oxidation panel one is 1.2m * 0.8m.
Described Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment, wherein, described armored concrete anticorrosive board angle of inclination is 60 degree.
Beneficial effect of the present invention: the present invention by preparation condition is: NaClO concentration is 4mmol/L, NaClO
2concentration is 2mmol/L, and combined oxidation liquid PH is 5～7; In the design of spray column, liquid-gas ratio is 4～16L/m3, and the flue-gas temperature of reaction will be controlled at preparation combined oxidation absorption liquid under the condition of 50 ± 5 ℃, and in conjunction with existing wet method flue gas dust-removing desulfurizing technology, newly-increased a set of oxidation and denitration desulfurizer, by NO
xbe oxidized to NO
2, by SO
2be oxidized to sulfate, then absorb through former alkali liquor absorption tower.Significantly improved the denitration desulfuration efficiency.
The accompanying drawing explanation
Fig. 1 is the functional block diagram of equipment provided by the invention.
Fig. 2 is the concrete structure design diagram of equipment provided by the invention.
The specific embodiment
For making purpose of the present invention, technical scheme and advantage clearer, clear and definite, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.
Referring to Fig. 1, the functional module of equipment provided by the invention comprises: the venturi of cascade, elementary dust-removal and desulfurizing section, oxidation panel one, oxidation panel two, absorption tower and secondary tower, and air-introduced machine, chimney, sedimentation basin, desulfurization and dedusting pump, circulating pump, combined oxidation medicament pond, pharmacy jar, motor-driven valve, Hand-operated butterfly valve and PH meter successively.Described air-introduced machine connects secondary tower and chimney; Described venturi, elementary dust-removal and desulfurizing section absorption tower are connected sedimentation basin with secondary tower; Described desulfurization and dedusting pump is sent into the solution of sedimentation basin in venturi, elementary dust-removal and desulfurizing section and absorption tower, and flue gas is washed; Described circulating pump is sent into the medicament in combined oxidation medicament pond in oxidation panel one and oxidation panel two, and the medicament reclaimed in described oxidation panel one and oxidation panel two is recycled to combined oxidation medicament pond by pipeline; Described pharmacy jar is connected to combined oxidation medicament pond by motor-driven valve and Hand-operated butterfly valve, and described PH meter is arranged in combined oxidation medicament pond, separately is electrically connected to described motor-driven valve.
Referring to Fig. 2, the present invention is provided with two sprays 10 in venturi 1, and spray along airintake direction, top in elementary dust-removal and desulfurizing section 2 is provided with two sprays, be provided with outlet passageway on the upper portion side wall of elementary dust-removal and desulfurizing section, described oxidation panel 1 is arranged on the top of elementary dust-removal and desulfurizing section 2, the two intercepts by the armored concrete anticorrosive board, described armored concrete anticorrosive board is obliquely installed, bottom sides at described oxidation panel 1 is provided with inlet channel, the gas outlet UNICOM of this passage and elementary dust-removal and desulfurizing section 2; The top of described oxidation panel one is provided with a plurality of sprays 10, described oxidation panel 1 and oxidation panel 24 UNICOMs, be provided with a plurality of sprays 10 on the top of oxidation panel 24, in the bottom sides of oxidation panel 24, be provided with the flue with absorption tower 5 UNICOMs, funnel-form is arranged in described oxidation panel 24 bottoms; Described absorption tower 5 and secondary tower 6 UNICOMs are provided with air-introduced machine 7 on the bottom sidewall of institute's secondary tower 6, and described circulating pump 8 is delivered to the medicament in combined oxidation medicament pond on the spray of oxidation panel one and oxidation panel two; Described desulfurization and dedusting pump 9 is delivered to the solution of sedimentation basin on the spray of absorption tower, venturi and elementary dust-removal and desulfurizing section.The bottom of described oxidation panel one and oxidation panel two is provided with the medicament recovery channel; The bottom of described absorption tower, secondary tower and elementary dust-removal and desulfurizing section is provided with the grain slag recovery channel, and UNICOM's sluice is sent into sedimentation basin.
Concrete improvement of the present invention comprises:
At first, elementary desulfurization and dedusting section is transformed, change oxidation panel one at the elementary desulfurization and dedusting section first half, lower semisection continues as desulfurizing dust-collector, flue gas passes through newly-increased oxidation panel two after oxidation panel one again, enter the dewatering period (it is absorption tower that this dewatering period changes the oxidation absorber portion into) of original desulfurization and dedusting section, then enter air-introduced machine and efflux through chimney.
Then, keep original desulfurization and dedusting circulating pipe system constant, newly-increased a set of combined oxidation fluid circulation.Combined oxidation liquid flows to combined oxidation medicament pond from stirring pharmacy jar, through newly-increased circulating pump, beats to the NO in oxidation panel one and two pairs of flue gases of oxidation panel
xand SO
2sprayed oxidation, the acidifying liquid collection after spray flows back to the combined oxidation circulatory pool.
At combined oxidation medicament pond installing PH meter, liquid PH in its pond is controlled between 5～7 again.In medicament (stirring) tank export pipeline, a motor-driven valve is housed, in combined oxidation medicament pond, pH value is closed 7 the time higher than setting value, lower than setting value, within 5 o'clock, opens in compound oxidation medicament pond and adds oxidation solution.
Finally in medicament (stirring) tank with NaClO and NaClO
2be configured to combined oxidation liquid.Its configuration requirement is as follows: NaClO concentration is 4mmol/L, NaClO
2concentration is 2mmol/L, and PH is 8～11.
Continuation is referring to Fig. 2, and flue gas enters oxidation panel one from elementary dust-removal and desulfurizing section through the by-pass flue of 1.2m * 0.8m.In oxidation panel one bottom, the anticorrosion base plate of armored concrete is housed, this base plate inclination degree is 60 degree, in its bottom, the 316L stainless steel pipes that one diameter is DN100 is housed, for reclaiming in time the oxidation solution of oxidation panel one.At oxidation panel one and oxidation panel two, spray angle being housed is that 120 degree, diameter are 8 nozzles that 1 cun, material are 316L.The 316L stainless steel pipes that a diameter is DN100 is equipped with in oxidation panel two bottoms, for reclaiming in time the oxidation solution of oxidation panel two.
The workflow of equipment provided by the invention is: flue gas first enters newly-increased by-pass flue by turning the level Four spray from venturi and original desulfurizing dust-collector, enter again improved oxidation panel one from by-pass flue, enter oxidation panel two at oxidation panel after the oxidation of three grades of sprays, enter absorber portion at oxidation panel two after the oxidation of level Four spray, enter former flue gas secondary tower at absorber portion after the absorption dewatering of acid-base neutralization reaction liquid phase, from secondary tower out by air-introduced machine discharged to chimney, significantly improved the denitration desulfuration efficiency.
Compared with prior art, under same Combustion Operation of Boilers and same drug concentration proportioning, use single NaClO
2desulphurization and denitration, mean efficiency of desulfurization reaches 85%, and the denitration rate reaches 65%.But with NaClO and NaClO
2the mean efficiency of desulfurization of the composite absorbent liquid of combination can reach more than 99.7%, and the denitration rate can reach more than 93.9%.Adopt the combined oxidation absorption liquid, flue gas bulk devulcanization rate on average improves 10%, and the denitration rate on average improves more than 20%.Due to approximately 700 yuan/tons of NaClO unit prices on market, NaClO
2approximately 13000 yuan/tons.Compared with prior art, under same Combustion Operation of Boilers, reach same denitrification efficiency, operating cost descends more than one times.The 20t/h of take coal-fired running time in chain furnace year was example as 7200 hours, used single NaClO
2desulphurization and denitration, a year reagent cost is 930,000 yuan; And employing NaClO, NaClO
2the combined oxidation absorption liquid of combination, a year reagent cost is 340,000 yuan.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. an Industrial Boiler denitrating flue gas, desulfurization dust removing integral equipment, it is characterized in that, comprise the venturi of cascade successively, elementary dust-removal and desulfurizing section, oxidation panel one, oxidation panel two, absorption tower and secondary tower, and air-introduced machine, chimney, sedimentation basin, desulfurization and dedusting pump, circulating pump, combined oxidation medicament pond, pharmacy jar, motor-driven valve, Hand-operated butterfly valve and PH meter, described air-introduced machine connects secondary tower and chimney; Described venturi, elementary dust-removal and desulfurizing section, absorption tower are connected sedimentation basin with secondary tower; Described desulfurization and dedusting pump is sent into the solution of sedimentation basin in venturi, elementary dust-removal and desulfurizing section and absorption tower, and flue gas is washed; Described circulating pump is sent into the medicament in combined oxidation medicament pond in oxidation panel one and oxidation panel two, and the medicament reclaimed in described oxidation panel one and oxidation panel two is recycled to combined oxidation medicament pond by pipeline; Described pharmacy jar is connected to combined oxidation medicament pond by motor-driven valve and Hand-operated butterfly valve, and described PH meter is arranged in combined oxidation medicament pond, separately is electrically connected to described motor-driven valve.
2. Industrial Boiler denitrating flue gas according to claim 1, desulfurization dust removing integral equipment, it is characterized in that, described oxidation panel one is arranged on the top of elementary dust-removal and desulfurizing section, the two intercepts by the armored concrete anticorrosive board, be provided with outlet passageway on the upper portion side wall of elementary dust-removal and desulfurizing section, bottom sides at described oxidation panel one is provided with inlet channel, the gas outlet UNICOM of this passage and elementary dust-removal and desulfurizing section.
3. Industrial Boiler denitrating flue gas according to claim 1, desulfurization dust removing integral equipment, it is characterized in that, the top of described oxidation panel one is provided with a plurality of sprays, described oxidation panel one and oxidation panel two UNICOMs, be provided with a plurality of sprays on the top of oxidation panel two, in the bottom sides of oxidation panel two, be provided with the flue with absorption tower UNICOM.
4. Industrial Boiler denitrating flue gas according to claim 1, desulfurization dust removing integral equipment, is characterized in that, described absorption tower and secondary tower UNICOM are provided with air-introduced machine on the bottom sidewall of institute's secondary tower.
5. Industrial Boiler denitrating flue gas according to claim 2, desulfurization dust removing integral equipment, is characterized in that, described armored concrete anticorrosive board is obliquely installed.
6. Industrial Boiler denitrating flue gas according to claim 3, desulfurization dust removing integral equipment, is characterized in that, funnel-form is arranged in described oxidation panel two bottoms.
7. Industrial Boiler denitrating flue gas according to claim 1, desulfurization dust removing integral equipment, it is characterized in that, in described combined oxidation medicament pond, liquid PH is controlled between 5～7, in combined oxidation medicament pond, liquid exceeds this value range, the shutoff that described PH meter is controlled motor-driven valve is supplied with oxidation solution to combined oxidation medicament pond, in combined oxidation medicament pond, pH value is closed 7 the time higher than setting value, lower than setting value, within 5 o'clock, opens in compound oxidation medicament pond and adds oxidation solution.
8. Industrial Boiler denitrating flue gas according to claim 7, desulfurization dust removing integral equipment, is characterized in that, NaClO and NaClO for described oxidation solution
2be configured to, wherein, NaClO concentration is 4mmol/L, NaClO
2concentration is 2mmol/L, and PH is 8～11.
9. Industrial Boiler denitrating flue gas according to claim 2, desulfurization dust removing integral equipment, is characterized in that, UNICOM's flue specification of elementary dust-removal and desulfurizing section and oxidation panel one is 1.2m * 0.8m.
10. Industrial Boiler denitrating flue gas according to claim 5, desulfurization dust removing integral equipment, is characterized in that, described armored concrete anticorrosive board angle of inclination is 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103999840A CN103432888A (en) | 2013-09-05 | 2013-09-05 | Flue gas denitration, desulfuration and dedusting integrated equipment of industrial boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103999840A CN103432888A (en) | 2013-09-05 | 2013-09-05 | Flue gas denitration, desulfuration and dedusting integrated equipment of industrial boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103432888A true CN103432888A (en) | 2013-12-11 |
Family
ID=49686659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103999840A Pending CN103432888A (en) | 2013-09-05 | 2013-09-05 | Flue gas denitration, desulfuration and dedusting integrated equipment of industrial boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103432888A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713112A (en) * | 2013-12-13 | 2015-06-17 | 贵州中烟工业有限责任公司 | Boiler dust removal circular processing system |
| CN104971602A (en) * | 2014-04-10 | 2015-10-14 | 鞍钢股份有限公司 | Sintering flue gas desulfurization and denitrification method based on limestone-gypsum method |
| CN105879642A (en) * | 2016-06-27 | 2016-08-24 | 沈阳汇川环境工程有限公司 | Coal-fired flue gas denitration and desulfurization method |
| CN106731558A (en) * | 2016-12-22 | 2017-05-31 | 青岛大学 | A kind of solwution method flue gas desulfurization and denitrification integrated technique |
| CN106890544A (en) * | 2017-02-27 | 2017-06-27 | 湖南云平环保科技有限公司 | Sodium base desulphurization denitration absorbent and preparation method thereof |
| CN111569570A (en) * | 2020-03-24 | 2020-08-25 | 江苏绿塔环境工程有限公司 | Horizontal integrated desulfurization denitration dust purification device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2447046Y (en) * | 2000-07-27 | 2001-09-12 | 铁道部第二工程局新线铁路运输处内昆铁路指挥部 | Smoke purifier |
| KR100520415B1 (en) * | 2004-11-25 | 2005-10-11 | 신도건공 주식회사 | Nox removal method from exhaust fumes |
| CN101385942A (en) * | 2008-10-13 | 2009-03-18 | 浙江大学 | Liquid-phase oxidation-absorption two-stage wet flue gas denitrification process |
| CN202860378U (en) * | 2012-11-05 | 2013-04-10 | 北京华福环境工程科技有限公司 | Smoke forced oxidation desulfurization and denitrification integrated device |
| CN203108436U (en) * | 2013-03-11 | 2013-08-07 | 中国大唐集团环境技术有限公司 | Flue gas treatment device in power plant |
-
2013
- 2013-09-05 CN CN2013103999840A patent/CN103432888A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2447046Y (en) * | 2000-07-27 | 2001-09-12 | 铁道部第二工程局新线铁路运输处内昆铁路指挥部 | Smoke purifier |
| KR100520415B1 (en) * | 2004-11-25 | 2005-10-11 | 신도건공 주식회사 | Nox removal method from exhaust fumes |
| CN101385942A (en) * | 2008-10-13 | 2009-03-18 | 浙江大学 | Liquid-phase oxidation-absorption two-stage wet flue gas denitrification process |
| CN202860378U (en) * | 2012-11-05 | 2013-04-10 | 北京华福环境工程科技有限公司 | Smoke forced oxidation desulfurization and denitrification integrated device |
| CN203108436U (en) * | 2013-03-11 | 2013-08-07 | 中国大唐集团环境技术有限公司 | Flue gas treatment device in power plant |
Non-Patent Citations (1)
| Title |
|---|
| 赵静等: "NaClO2/NaClO复合吸收液同时脱硫脱硝", 《环境工程学报》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713112A (en) * | 2013-12-13 | 2015-06-17 | 贵州中烟工业有限责任公司 | Boiler dust removal circular processing system |
| CN104713112B (en) * | 2013-12-13 | 2017-01-18 | 贵州中烟工业有限责任公司 | Boiler dust removal circular processing system |
| CN104971602A (en) * | 2014-04-10 | 2015-10-14 | 鞍钢股份有限公司 | Sintering flue gas desulfurization and denitrification method based on limestone-gypsum method |
| CN105879642A (en) * | 2016-06-27 | 2016-08-24 | 沈阳汇川环境工程有限公司 | Coal-fired flue gas denitration and desulfurization method |
| CN106731558A (en) * | 2016-12-22 | 2017-05-31 | 青岛大学 | A kind of solwution method flue gas desulfurization and denitrification integrated technique |
| CN106731558B (en) * | 2016-12-22 | 2019-06-18 | 青岛大学 | A solution-based flue gas desulfurization and denitrification integrated process method |
| CN106890544A (en) * | 2017-02-27 | 2017-06-27 | 湖南云平环保科技有限公司 | Sodium base desulphurization denitration absorbent and preparation method thereof |
| CN111569570A (en) * | 2020-03-24 | 2020-08-25 | 江苏绿塔环境工程有限公司 | Horizontal integrated desulfurization denitration dust purification device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103990365B (en) | The flue gas purifying method of a kind of ozone/hydrogen peroxide induced radical and system | |
| CN103432888A (en) | Flue gas denitration, desulfuration and dedusting integrated equipment of industrial boiler | |
| CN203750390U (en) | Calcium and chlorine dioxide-based three-section flue gas simultaneous desulfurization and denitration system | |
| CN201333376Y (en) | Flue gas desulfurization and denitration purifying device | |
| CN105056749A (en) | System and method for removing nitric oxides and sulfur oxides in flue gas simultaneously | |
| CN101745305A (en) | Method for removing various gaseous pollutants from smoke gas | |
| CN105327612A (en) | Flue gas low-temperature combined desulfurization and denitration technology method | |
| CN202606007U (en) | Ammonia desulfurization and denitrification tower | |
| CN205019964U (en) | SOx/NOx control device system is united to flue gas low temperature | |
| CN104941410B (en) | Flue gas desulfurization and denitrification integrated method and device based on two-step oxidation process of active molecules O3 at low temperature | |
| CN104524935B (en) | Single tower type double-cycle spray composite absorption device and method | |
| CN103990360A (en) | Continuous concentration purification method for desulfurization by-product magnesium sulfate solution | |
| CN104324575A (en) | Spray absorption type system for simultaneous desulphurization and denitration of sintering flue gas | |
| CN104190223A (en) | Liquid phase oxidation flue gas desulfurization, denitration and absorption technology and device | |
| CN202478814U (en) | Integral equipment integrating downstream washing desulfuration with ozone jetting back-flow denitration | |
| CN108261905A (en) | A kind of denitration integrated device and method | |
| CN205796943U (en) | Ozone oxidation double tower ammonia process of desulfurization denitrating system | |
| CN205760536U (en) | A kind of device of oxidizing process gas cleaning desulfurization denitration demercuration | |
| CN103768918B (en) | A kind of Caprolactam unit exhaust purifying method and device | |
| CN202962254U (en) | Device for purifying harmful substances in smoke generated during boiler combustion | |
| CN111495147A (en) | Integrated process and equipment for desulfurization and denitrification by ion exchange method | |
| CN204247052U (en) | Single tower type double-cycle spray composite absorption device | |
| CN104258722A (en) | A method for removing SO2 from tail gas | |
| CN204352744U (en) | A kind of low-temperature flue gas oxidation and denitration system | |
| CN205570079U (en) | SOx/NOx control demercuration removes ultralow discharge system of micronic dust integration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131211 |