CN2703966Y - Wet flue gas high-efficiency desulfurizing and dust-removing equipment suitable for various desulfurizing agents - Google Patents
Wet flue gas high-efficiency desulfurizing and dust-removing equipment suitable for various desulfurizing agents Download PDFInfo
- Publication number
- CN2703966Y CN2703966Y CN 200420022508 CN200420022508U CN2703966Y CN 2703966 Y CN2703966 Y CN 2703966Y CN 200420022508 CN200420022508 CN 200420022508 CN 200420022508 U CN200420022508 U CN 200420022508U CN 2703966 Y CN2703966 Y CN 2703966Y
- Authority
- CN
- China
- Prior art keywords
- scrubber
- flue gas
- water film
- cyclone
- eddy flow
- 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.)
- Expired - Fee Related
Links
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 38
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000003546 flue gas Substances 0.000 title claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000000428 dust Substances 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 239000002320 enamel (paints) Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 abstract description 12
- 230000023556 desulfurization Effects 0.000 abstract description 12
- 239000007921 spray Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 230000018044 dehydration Effects 0.000 abstract 2
- 238000006297 dehydration reaction Methods 0.000 abstract 2
- 239000010797 grey water Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000009102 absorption Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 101000999829 Escherichia coli (strain K12) NH(3)-dependent NAD(+) synthetase Proteins 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model discloses a wet flue gas high-efficiency desulfurization dust removal equipment suitable for various desulfurizing agents. The device comprises a flue gas reheater, a cyclone water film dust collector, a Venturi scrubber, a self-excited scrubber, an anti-blocking nozzle, a cyclone dehydration demister, a purified flue gas outlet pipeline, an ash settling tank, a water seal ash water collector and a cyclone spray water film type scrubber, wherein one end of the cyclone spray water film type scrubber is connected with the self-excited scrubber, the other end of the cyclone spray water film type scrubber is connected with the cyclone dehydration demister, the Venturi scrubber is installed behind the cyclone water film dust collector and is vertically integrated with the self-excited scrubber, and the water seal ash water collector is installed at the bottoms of the self-excited scrubber and the cyclone spray water film type scrubber and is arranged in the ash settling tank. The utility model has the characteristics of rational in infrastructure, high-efficient, low resistance, the installation is reformed transform and is maintained conveniently, and the inside difficult scale deposit of equipment, difficult jam, the flue gas does not take water after purifying, and equipment cost is low, and the working costs is low, and grey water closed cycle does not have secondary pollution etc.
Description
Technical field
The utility model relates to a kind of desulfurating dust-removing equipment, and is especially relevant with the wet type flue gas efficient desulfurizing and dust collecting equipment of applicable multiple desulfurizing agent.
Background technology
Along with high speed development economic and society; the human life quality improves constantly; also more and more higher to requirement on environmental protection; for this reason; the atmosphere pollutants emission standards that country works out is also more and more stricter; especially new " thermal power plant's atmosphere pollutants emission standards " GB13223-2003 that works out, country further strengthens the control and the supervision of environmental quality, has higher requirement for the design of Air Pollution Control equipment.And the desulfurating dust-removing equipment that puts into operation both at home and abroad at present, because of desulfurizing agent uses single, enterprise can not use on a selective basis according to the actual conditions of this locality, therefore exist desulfurization dust-removing efficiency on the low side, every index does not reach national requirements for environmental protection, though the desulfurization dust-removing efficiency that has is higher, the ubiquity system is cumbersome, complex structure, bulky, floor space is big, the easy incrustation of device interior, easily stop up, the flow of flue gas resistance is big, and maintenance workload is big, the dehydrating demisting weak effect, air-introduced machine band water, shortcomings such as equipment price costliness, operating cost height.
Summary of the invention
The purpose of this utility model provides a kind of compact conformation, technological process is scientific and reasonable, practical, efficient, low-resistance, installation are transformed easy to maintenance, device interior is difficult for incrustation, is difficult for stopping up, and purifies the back flue gas and is not with water, and equipment manufacturing cost is low, operating cost is low, Closed Recirculation for Ash Water, non-secondary pollution, every index is better than the wet type flue gas efficient desulfurizing and dust collecting equipment of the applicable multiple desulfurizing agent of national requirements for environmental protection.
For achieving the above object, the utility model is realized by following technical solution: the wet type flue gas efficient desulfurizing and dust collecting equipment of applicable multiple desulfurizing agent, comprise smoke re-heater, cyclonic water film deduster, Venturi scrubber, the auto-excitation type washer, the block-resistant type nozzle, eddy flow dehydrating demisting device, purify the exhanst gas outlet pipeline, ash settling basin, water seal ash water collector and whirlwind shower water film scrubber, whirlwind shower water film scrubber one end is connected with the auto-excitation type washer, and the other end is connected with eddy flow dehydrating demisting device, after Venturi scrubber is installed in cyclonic water film deduster, and the vertical one made from the auto-excitation type washer, water seal ash water collector is installed in the bottom of auto-excitation type washer and whirlwind shower water film scrubber, and is arranged in the ash settling basin, and eddy flow dehydrating demisting device is connected with smoke re-heater by purifying the exhanst gas outlet pipeline.
The wet type flue gas efficient desulfurizing and dust collecting equipment of described applicable multiple desulfurizing agent, the outlet of its block-resistant type nozzle is concordant with Venturi scrubber inwall and whirlwind shower water film scrubber inwall, and is uniformly distributed along the circumference 2-1000.
The wet type flue gas efficient desulfurizing and dust collecting equipment of described applicable multiple desulfurizing agent, its smoke re-heater is by tube sheet) and heat exchanger tube form, heat exchanger tube is located between two tube sheets and by being welded to connect, heat exchanger tube adopts corrosion resistant steel pipe or steel tube surface to cover the enamel coating, the heat exchanger tube axial segmentation connects by the indent arc, radially is streamlined.
Polytetrafluoroethylene (PTFE) or enamel coating are adopted in eddy flow plate surface in the wet type flue gas efficient desulfurizing and dust collecting equipment of described applicable multiple desulfurizing agent, its eddy flow dehydrating demisting device.
The utility model compared with prior art has the following advantages: (one) is that the desulfurizing agent applicability is wide, can use on a selective basis according to the actual conditions of enterprise this locality, as limestone/lime-gypsum method desulfurizing agent (CaCO
3/ CaO), double alkali method desulfurizing agent (NaOH, Na
2CO
3, NaHCO
3, Na
2SO
3), seawater is made desulfurizing agent, ammonia process of desulfurization agent (NH
4) and adopt new ammonia process (NADS) sulfur removal technology; (2) be desulfurization dust-removing efficiency height (desulfurization degree 〉=95%, dust removal efficiency 〉=99.5%), effect stability, all other air pollution emission indexs all are better than national requirements for environmental protection; (3) be compact conformation, technological process is scientific and reasonable, and equipment manufacturing cost is low, and operating cost is low; (4) be that device interior is less scaling, be difficult for stopping up that be difficult for leaking out, the flow of flue gas resistance is little, dehydrating demisting is effective; (5) be that the main equipment selection is flexible, both can have adopted natural granite to build manufacturing by laying bricks or stones, can adopt skin again is steel plate, and internal layer line with rubber lining is moulded or the cylinder manufacturing of ceramic coated layer, and is cheap, easy for installation, long service life; (6) be that smoke re-heater adopts the streamlined technology of coating, have compact conformation, corrosion resistant, wear-resisting, efficient heat transfer, characteristics such as stifled ash does not leak out, and flue gas resistance is little.
Description of drawings
Fig. 1 is the structural representation of the wet type flue gas efficient desulfurizing and dust collecting equipment of the applicable multiple desulfurizing agent of the utility model.
Fig. 2 is the structural representation of the wet type flue gas efficient desulfurizing and dust collecting equipment smoke re-heater of the applicable multiple desulfurizing agent of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Diagram mark: 1, gas approach, 2, streamlined smoke re-heater, 3, cyclonic water film deduster, 4, the block-resistant type nozzle, 5, Venturi scrubber, 6, the auto-excitation type washer, 7, the flue gas communication channel, 8, whirlwind shower water film scrubber, 9, the block-resistant type nozzle, 10, eddy flow dehydrating demisting device, 11, axial nozzle, 12, purify the exhanst gas outlet pipeline, 13, air-introduced machine, 14, chimney, 15, ash settling basin, 16, automatic water seal ash water collector, 17, circulating pump, 18, alkaline solution replenishes import, 19, the import of dehydrating demisting device flushing water, 20, the automatic overflow water seal, 21, industry water, 22, the ash water stream channel, 23, column, 24, tube sheet, 25, heat exchanger tube, 26, the eddy flow plate.
As shown in Figure 1, the wet type flue gas efficient desulfurizing and dust collecting equipment of applicable multiple desulfurizing agent, comprise smoke re-heater 2, cyclonic water film deduster 3, Venturi scrubber 5, auto-excitation type washer 6, block-resistant type nozzle 9, eddy flow dehydrating demisting device 10, purify exhanst gas outlet pipeline 12, ash settling basin 15, water seal ash water collector 16 and whirlwind shower water film scrubber 8, whirlwind shower water film scrubber 8 one ends are connected with auto-excitation type washer 6, the other end is connected with eddy flow dehydrating demisting device 10, after Venturi scrubber 5 is installed in cyclonic water film deduster 3, and with the auto-excitation type washer 6 vertical one of making, water seal ash water collector 16 is installed in the bottom of auto-excitation type washer 6 and whirlwind shower water film scrubber 8, and be arranged in the ash settling basin 15, eddy flow dehydrating demisting device 10 is connected with smoke re-heater 2 by purifying exhanst gas outlet pipeline 12, block-resistant type nozzle 4 and 9 outlet are concordant with Venturi scrubber 5 inwalls and whirlwind shower water film scrubber 8 inwalls, and be uniformly distributed along the circumference 30, as shown in Figure 2, smoke re-heater 2 is made up of tube sheet 24 and heat exchanger tube 25, heat exchanger tube 25 is located between two tube sheets 24 and by being welded to connect, heat exchanger tube 25 adopts corrosion resistant steel pipe or steel tube surface to cover the enamel coating, heat exchanger tube 25 axial segmentation connect by the indent arc, radially be streamlined, polytetrafluoroethylene (PTFE) or enamel coating are adopted in eddy flow plate 26 surfaces in the eddy flow dehydrating demisting device 10.
During work, flue gas reduces by gas approach 1 temperature after streamlined smoke re-heater 2 heat absorptions, enter in the cyclonic water film deduster 3 by the flue tangential swirl,, carry out preliminary desulfurization and dedusting by washing with a large amount of flue dust of the reverse mass transfer moving handle of moisture film from top to bottom.Further reduce the cigarette temperature simultaneously; Flue gas after the cooling, water smoke, grit three-phase air-flow from up to down, enter Venturi scrubber 5 simultaneously, the spraying that block-resistant type nozzle 4 produces is moved in the same way with the three-phase air-flow and is fully contacted absorption, carry out the desulfurization and dedusting second time, enter the venturi collapsible tube, because sectional area dwindles gradually, static pressure progressively is converted into kinetic energy in the pipe, air velocity in the pipe is increased, under the impact of high velocity air, further be atomized into more tiny droplet by the alkaline detergent solution of nozzle ejection, and gas, liquid, Gu the relative velocity of (grit) three-phase is but very big, make them get abundant mixing, thereby increased the chance of grit and droplet collision, on the other hand, because the alkaline detergent solution atomizing fully makes gas reach capacity, thereby destroyed the air film on grit surface, grit is wetting by aqueous vapor fully, carries out desulfurization and dedusting for the third time; After air-flow enters auto-excitation type washer 6, these are by between the grit of water-wet and the droplet, under the effect of different inertia force, in collision contacts mutually, coalescence becomes bigger dust-laden drop, these thicker dust-containing liquids drop under air-flow and the gravity effect simultaneously, alkaline liquid level in the automatic water seal ash of the high speed impact water collector 16, and fall into and carry out desulfurization and dedusting in the ash settling basin 15 the 4th time, when the gas shock liquid level, on liquid level, evoke a large amount of foams and spray, and contact with droplet with the grit that does not fall into ash settling basin, collision, mix, carry out desulfurization and dedusting the 5th time, after passing foam spray layer, relatively cleaner air communication is crossed flue gas communication channel 7, tangential swirl enters in the whirlwind shower water film scrubber 8 again, by with the reverse shower of the alkaline mist drop of basipetal alkaline liquid film and upper nozzle 9 ejections, the mass transfer motion, last desulfurization and dedusting, clean flue gas after the purification enters eddy flow dehydrating demisting device 10, after the carbonated drink separating treatment, be delivered to streamlined smoke re-heater 2 by clean flue gas outlet conduit 12 and heat up, the flue gas after the intensification adds through air-introduced machine and is sent to chimney row heavenwards.And buck is respectively through automatic overflow water seal 20, and water seal ash water collector 16 enters ash settling basin automatically, and after neutralisation treatment, waste water reclaims for desulfurating dust-removing equipment and recycles, and the lime-ash of precipitation or byproduct are with grab trolley, forklift or artificial periodic cleaning in the ash settling basin.
Claims (5)
1, a kind of wet type flue gas efficient desulfurizing and dust collecting equipment of applicable multiple desulfurizing agent, comprise smoke re-heater (2), cyclonic water film deduster (3), Venturi scrubber (5), auto-excitation type washer (6), block-resistant type nozzle (9), eddy flow dehydrating demisting device (10), purify exhanst gas outlet pipeline (12), ash settling basin (15) and water seal ash water collector (16), it is characterized in that: it also comprises whirlwind shower water film scrubber (8), whirlwind shower water film scrubber (8) one ends are connected with auto-excitation type washer (6), the other end is connected with eddy flow dehydrating demisting device (10), after Venturi scrubber (5) is installed in cyclonic water film deduster (3), and with the vertical one of making of auto-excitation type washer (6), water seal ash water collector (16) is installed in the bottom of auto-excitation type washer (6) and whirlwind shower water film scrubber (8), and be arranged in the ash settling basin (15), eddy flow dehydrating demisting device (10) is connected with smoke re-heater (2) by purifying exhanst gas outlet pipeline (12).
2, the wet type flue gas efficient desulfurizing and dust collecting equipment of applicable multiple desulfurizing agent according to claim 1, it is characterized in that: the outlet of block-resistant type nozzle (9) is concordant with Venturi scrubber (5) inwall and whirlwind shower water film scrubber (8) inwall, and is uniformly distributed along the circumference 2-1000.
3, the wet type flue gas efficient desulfurizing and dust collecting equipment of applicable multiple desulfurizing agent according to claim 1 and 2, it is characterized in that: smoke re-heater (2) is made up of tube sheet (24) and heat exchanger tube (25), heat exchanger tube (25) is located between two tube sheets (24) and by being welded to connect, heat exchanger tube (25) adopts corrosion resistant steel pipe or steel tube surface to cover the enamel coating, heat exchanger tube (25) axial segmentation connects by the indent arc, radially is streamlined.
4, the wet type flue gas efficient desulfurizing and dust collecting equipment of applicable multiple desulfurizing agent according to claim 1 and 2 is characterized in that: polytetrafluoroethylene (PTFE) or enamel coating are adopted in eddy flow plate (26) surface in the eddy flow dehydrating demisting device (10).
5, the wet type flue gas efficient desulfurizing and dust collecting equipment of applicable multiple desulfurizing agent according to claim 3 is characterized in that: polytetrafluoroethylene (PTFE) or enamel coating are adopted in eddy flow plate (26) surface in the eddy flow dehydrating demisting device (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420022508 CN2703966Y (en) | 2004-05-06 | 2004-05-06 | Wet flue gas high-efficiency desulfurizing and dust-removing equipment suitable for various desulfurizing agents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420022508 CN2703966Y (en) | 2004-05-06 | 2004-05-06 | Wet flue gas high-efficiency desulfurizing and dust-removing equipment suitable for various desulfurizing agents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2703966Y true CN2703966Y (en) | 2005-06-08 |
Family
ID=34770403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420022508 Expired - Fee Related CN2703966Y (en) | 2004-05-06 | 2004-05-06 | Wet flue gas high-efficiency desulfurizing and dust-removing equipment suitable for various desulfurizing agents |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2703966Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972578A (en) * | 2010-09-10 | 2011-02-16 | 西昌新钒钛有限公司 | Rotary kiln flue gas treating device capable of automatically controlling blowing rate of draught fan |
| CN103990323A (en) * | 2014-05-09 | 2014-08-20 | 新乡市胜达过滤净化技术有限公司 | Vane-type separator coated with polytetrafluoroethylene membrane and preparation method thereof |
| CN105498419A (en) * | 2015-11-20 | 2016-04-20 | 太仓市振锋化工设备有限公司 | Winter heating chimney exhaust gas purification system |
| CN106498120A (en) * | 2015-09-04 | 2017-03-15 | 江苏博际喷雾系统有限公司 | A kind of converter gas evaporation cooling washing system |
| CN106964224A (en) * | 2017-01-24 | 2017-07-21 | 北京利德衡环保工程有限公司 | A kind of dedusting demister and its water circulation system |
| CN107413149A (en) * | 2017-06-26 | 2017-12-01 | 哥乐巴环保科技(上海)有限公司 | A kind of MDF dries the modified technique and processing system of tail gas biochemical processing method |
| CN112228894A (en) * | 2020-09-04 | 2021-01-15 | 福建澳林镁环保科技有限公司 | High-speed desulphurization and cooling method for furnace gas |
| CN113509831A (en) * | 2021-06-16 | 2021-10-19 | 宁波新福钛白粉有限公司 | Sulfuric acid method titanium dioxide acidolysis tail gas treatment system and treatment method |
-
2004
- 2004-05-06 CN CN 200420022508 patent/CN2703966Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972578A (en) * | 2010-09-10 | 2011-02-16 | 西昌新钒钛有限公司 | Rotary kiln flue gas treating device capable of automatically controlling blowing rate of draught fan |
| CN103990323A (en) * | 2014-05-09 | 2014-08-20 | 新乡市胜达过滤净化技术有限公司 | Vane-type separator coated with polytetrafluoroethylene membrane and preparation method thereof |
| CN106498120A (en) * | 2015-09-04 | 2017-03-15 | 江苏博际喷雾系统有限公司 | A kind of converter gas evaporation cooling washing system |
| CN105498419A (en) * | 2015-11-20 | 2016-04-20 | 太仓市振锋化工设备有限公司 | Winter heating chimney exhaust gas purification system |
| CN106964224A (en) * | 2017-01-24 | 2017-07-21 | 北京利德衡环保工程有限公司 | A kind of dedusting demister and its water circulation system |
| CN107413149A (en) * | 2017-06-26 | 2017-12-01 | 哥乐巴环保科技(上海)有限公司 | A kind of MDF dries the modified technique and processing system of tail gas biochemical processing method |
| CN112228894A (en) * | 2020-09-04 | 2021-01-15 | 福建澳林镁环保科技有限公司 | High-speed desulphurization and cooling method for furnace gas |
| CN113509831A (en) * | 2021-06-16 | 2021-10-19 | 宁波新福钛白粉有限公司 | Sulfuric acid method titanium dioxide acidolysis tail gas treatment system and treatment method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |