CN105920962A - Chimney waste water-bath dust removal and desulfurization method - Google Patents
Chimney waste water-bath dust removal and desulfurization method Download PDFInfo
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- CN105920962A CN105920962A CN201610433833.6A CN201610433833A CN105920962A CN 105920962 A CN105920962 A CN 105920962A CN 201610433833 A CN201610433833 A CN 201610433833A CN 105920962 A CN105920962 A CN 105920962A
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- water
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- inlet pipe
- flue dust
- air inlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/507—Sulfur oxides by treating the gases with other liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
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- Chemical Kinetics & Catalysis (AREA)
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- Environmental & Geological Engineering (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Of Particles Using Liquids (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Disclosed is a chimney waste water-bath dust removal and desulfurization method. A device comprises a chimney shell, a gas inlet pipe, sieve plates, a water spray nozzle, a water spray pipe, valves, a water pump outlet pipe, a water pump, a vacuum apparatus, an inlet pipe, a filter screen, a dust washing mud pipe, a washing nozzle, an ash door, a clean water tank and a wet ash tank. The method is characterized in that the flared sieve plates are welded on the smoke dust gas inlet pipe which is straightly plugged downwards into water of the wet ash tank, the water spray nozzle is connected with the water pump outlet pipe, the vacuum apparatus and the filter screen are mounted on a water pump inlet, sulfurous gas of smoke dust can generate weak acid when reacting with water, the weak acid is neutralized by adding sodium carbonate, the water pump outlet pipe is connected with the dust washing mud pipe, the washing nozzle is a flat hole, pressure water is stirred up in a circular volute, dust mud is washed out of the ash door, ash is discharged by a forklift or loaded and transported outwards, an overflow port is connected with a settling tank, and an overflow port of the settling tank is connected with a clean water tank to realize closed circulation. The method is advanced in design, less in power consumption and high in automation degree, is a quite simple, practical and ideal dust removal and desulfurization method, and can be energetically popularized.
Description
Technical field
The present invention relates to a kind of chimney leftover bits and pieces water bath dust-removing sulfur method, belong to Environmental-protecting dust-removing equipment technical field.
Background technology
The afterbody soot emissions of fluidized bed furnace and various heat source furnace, are one and make every effort to perfect problem, qualified discharge is all the time
A kind of target, in flue dust, pernicious gas content is the highest, if do not processed, ecological environment will cause very heavy damage,
Kiln within existing flue gas discharge capacity 10 ten thousand steres per hour, does not reaches the discharge standard of national environmental protection goal.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of chimney leftover bits and pieces water bath dust-removing sulfur method, to fluidized bed furnace and various heat
The afterbody flue dust of source stove, gets a foothold at chimney and is effectively treated.
In order to solve above technical problem, the present invention provides a kind of chimney leftover bits and pieces water bath dust-removing sulfur method, including: chimney
Shell, flue dust import, flue dust air inlet pipe, tubaeform sieve tray, flue dust air inlet pipe outlet, annular water spout, sparge pipe, valve,
Pumping line, water pump, vacuum, water inlet pipe, screen cover, rush dirt mud pipe, rush mouth, ashpit, wet ash pool water level, forklift ash discharge
Slope road, clear water reserviors, wet ashpit, rush dirt mud slope；It is characterized in that: fluidized bed furnace offgas duct is through air-introduced machine outlet and flue dust import phase
Connect.
Flue dust air inlet pipe and tubaeform sieve tray are arranged in funnel shaft.
Flue dust import is on flue dust air inlet pipe top, and through funnel shaft, is connected with air-introduced machine outlet.
Flue dust air inlet pipe is passed down through the tubaeform sieve tray of polylith, below straight skewer to wet ash pool water level.
Flue dust air inlet pipe underwater penetration is adjusted, it is desirable between 30-50mm according to emission request and air-introduced machine blast.
Flue dust air inlet pipe underwater penetration is at more than 50mm, then dust removing effects is fine, but air-introduced machine blast requires to want height.
Flue dust air inlet pipe underwater penetration at below 30mm, then air-introduced machine blast require can low spot, but dust removing effects is poor.
Polylith is tubaeform, and sieve tray is welded in flue dust air inlet pipe, and every piece circumferentially by three fulcrums and fulcrum on inner wall of stack
It is connected.
Boring full circular hole on tubaeform sieve tray, boring area is the 30-40% of the gross area.
Bore diameter is Φ 30-40mm.
Annular water spout is looped around flue dust air inlet pipe top, is positioned at above the tubaeform sieve tray of lastblock.
Being drilled with downwards multiple spray orifice around annular water spout, injection diameter requires as Φ 12-14mm.
Nozzle hole number designs according to requirement and the water pump size of dust removing effects, and injection flow rate is the biggest, and dust removing effects is the best,
Otherwise then dust removing effects is almost.
Annular water spout connects with sparge pipe.
Sparge pipe connects with pumping line through valve.
Vacuum is installed on unit fixed on water pump suction, connects with water inlet pipe.
Water inlet pipe front end is provided with screen cover, is not required to install bottom valve, is not added with diversion.
The bore diameter of screen cover is between Φ 10-12mm.
The boring area requirements of screen cover is within the 40-50% of the gross area.
Flue dust is due to the pressure of air-introduced machine, from flue dust import through flue dust air inlet pipe, when the outlet ejection of flue dust air inlet pipe
Running into the water in wet ashpit, bulky grain grit enters in water.
Steam flow starts up, runs into the water smoke on multi-deck screen orifice plate, and little particle grit is mixed in water, and footpath is crossed in funnel shaft
Wall flows into wet ashpit.
Air-flow after buck dust-removal and desulfurizing is arranged to air through chimney.
The pre-water of high temperature sulfurous gas in flue dust can generate weak acid.
In sedimentation basin, add soda ash or quick lime, neutralize the acid-base value in water.
Equipped with gate on pumping line branched pipe, connect with rushing dirt mud pipe.
Rushing dirt mud pipe front end equipped with rushing mouth, rushing mouth is flat hole, rushes nozzle aperture discharge area true by hydraulic pressure and the water yield of water pump
Fixed, the water yield, hydraulic pressure are big, rush mouth discharge area and can be larger, whereas to less.
Require to rush the press water that mouth is gone out, can dirt mud be gone out ashpit from rushing dirt mud slope through lower spiral case, it is desirable to
Rush dirt muddy water stream for undercurrent under water.
On ashpit push up requirement submerge wet ash pool water level below, it is impossible to leak out.
Rushing v angle, dirt mud slope with vertical line angle is 40-450Degree.
Rushing dirt mud slope envisaged underneath is round volute shape, adjusts gate, rushes press water that mouth goes out at round spiral case
In upwards torn open, by parabola direction under water, dirt mud is gone out outside ashpit.
The just side to ashpit is provided with forklift ash discharge slope road, and forklift ash discharge slope road is designed at wet ashpit one end, gradient r angle
For 13-150Degree.
Wet ashpit internal volume requires at 10m3Above, the gap adjusting water level connects with sedimentation basin.
Sedimentation basin is used for precipitating the dirt buck that wet ashpit overflows, and its internal volume is a little bigger preferably.
Also having a gap, outlet to connect with clear water reserviors on sedimentation basin, the clear water that sedimentation basin overflows is for secondary cycle.
Chimney designs water bath dust-removing sulfur method in getting a foothold, and has following progress and novelty.
The design united two into one, has saved the floor space of dust pelletizing system, has saved investment.
Design pressure water rushes dirt mud, available forklift ash discharge and entrucking, can save production cost, saves artificial.
Wet ash, by forklift dress outward transport, has saved dirt ash cost of wheeling.
Utilize and outside water, manage dirt ash, reduce secondary pollution environment.
Equipment operates without special messenger.
Use water closed cycle, save water source, free from environmental pollution.
In sum, water bath dust-removing desulphurization system advanced design, electricity consumption is few, and automaticity is high, be one very simple,
The dust-collecting sulfur-removing method that practical, effect is ideal, can widely popularize.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings.
Accompanying drawing is present configuration schematic diagram.
In accompanying drawing: 1. funnel shaft, 2. flue dust import, 3. flue dust air inlet pipe, the most tubaeform sieve tray, 5. flue dust
Air inlet pipe outlet, 6. annular water spout, 7. sparge pipe, 8. valve, 9. pumping line, 10. water pump, 11. vacuum,
12. water inlet pipes, 13. screen covers, 14. rush dirt mud pipe, 15. rush mouth, 16. ashpits, 17. wet ash pool water level, 18. forklifts
Ash discharge slope road, 19. clear water reserviors, 20. wet ashpits, 21. rush dirt mud slope.
Detailed description of the invention
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
Referring to the drawings, a kind of chimney leftover bits and pieces water bath dust-removing sulfur method, including: funnel shaft 1, flue dust import 2, flue dust
Air inlet pipe 3, tubaeform sieve tray 4, flue dust air inlet pipe outlet 5, annular water spout 6, sparge pipe 7, valve 8, pumping line 9,
Water pump 10, vacuum 11, water inlet pipe 12, screen cover 13, rush dirt mud pipe 14, rush mouth 15, ashpit 16, wet ash pool water level 17, shovel
Car ash discharge slope road 18, clear water reserviors 19, wet ashpit 20, rush dirt mud slope 21；It is characterized in that: fluidized bed furnace offgas duct goes out through air-introduced machine
Mouth connects with flue dust import 2.
Flue dust air inlet pipe 3 and tubaeform sieve tray 4 are arranged in funnel shaft 1.
Flue dust import 2 is on flue dust air inlet pipe 3 top, and passes funnel shaft 1.
Flue dust air inlet pipe 3 is passed down through the tubaeform sieve tray of polylith 4, and straight skewer is to wet ash pool water level less than 17.
Adjust flue dust air inlet pipe according to emission request and air-introduced machine blast and export 5 underwater penetrations, it is desirable to 30-50mm it
Between.
Flue dust air inlet pipe exports 5 underwater penetrations at more than 50mm, then dust removing effects is fine, but air-introduced machine blast requires to want
High.
Flue dust air inlet pipe exports 5 underwater penetrations at below 30mm, then air-introduced machine blast require can low spot, but dust removing effects is relatively
Difference.
Polylith is tubaeform, and sieve tray 4 is welded in flue dust air inlet pipe 3, and every piece circumferentially by three fulcrums and funnel shaft 1
Fulcrum on wall is connected.
Boring full circular hole on tubaeform sieve tray 4, boring area is the 30-40% of the gross area.
Bore diameter is Φ 30-40mm.
Annular water spout 6 is looped around flue dust air inlet pipe 3 top, is positioned at above the tubaeform sieve tray of lastblock 4.
Annular water spout 6 periphery is drilled with downwards multiple spray orifice, and injection diameter requires as Φ 12-14mm.
Nozzle hole number designs according to requirement and the water pump size of dust removing effects, and injection flow rate is the biggest, and dust removing effects is the best,
Otherwise then dust removing effects is almost.
Annular water spout 6 connects with sparge pipe 7.
Sparge pipe 7 connects with pumping line 9 through valve 8.
In water pump 10 import, vacuum 11 is installed, connects with water inlet pipe 12.
Water inlet pipe 12 front end is provided with screen cover 13, is not required to install bottom valve, is not added with diversion.
The bore diameter of screen cover 13 is between Φ 10-12mm.
About the 40-50% that boring area requirements is the gross area of screen cover 13.
Flue dust is due to the pressure of air-introduced machine, from flue dust import 2 through flue dust air inlet pipe 3, from flue dust air inlet pipe outlet 5 ejection
Time, running into the water in wet ashpit 20, bulky grain grit enters in water.
Steam flow starts up, runs into the water smoke on multi-deck screen orifice plate 4, and little particle grit is mixed in water, and funnel shaft 1 is crossed in footpath
Inwall flows into wet ashpit 20.
The high temperature pre-water of sulfur-bearing gas in flue dust can generate weak acid.
In sedimentation basin, add soda ash or quick lime, neutralize the acid-base value in water.
Equipped with gate 8 on pumping line 9 branched pipe, connect with rushing dirt mud pipe 14.
Rushing dirt mud pipe 14 front end equipped with rushing mouth 15, rush mouth 15 for flat hole, discharge area presses hydraulic pressure and the water yield of water pump 10
Determining, the water yield, hydraulic pressure are big, rush mouth 15 discharge area and can be larger, whereas to less.
Require to rush the press water that mouth 15 is gone out, dirt mud can be gone out ashpit 16 from rushing dirt mud slope 21 through lower spiral case
Outward, it is desirable to rush dirt muddy water stream for undercurrent under water.
Push up on ashpit 16, it is desirable to submerge wet ash pool water level less than 17, it is impossible to leaks out.
The v angle rushing dirt mud slope 21 is 40-45 with vertical line angle0Degree.
Rushing dirt mud slope 21 envisaged underneath is round volute shape, adjusts gate 8 and rushes press water that mouth goes out round snail
Shell is upwards torn open, by parabola direction under water, dirt mud has been gone out outside ashpit 16.
The just front to ashpit 16 is provided with forklift ash discharge slope road 18, and gradient r angle, road 18, forklift ash discharge slope is 13-150Degree,
The wet ash piled up is transported outward by forklift ash discharge or entrucking.
Wet ashpit 20 internal volume requires at 10m3Above, the gap adjusting water level connects with sedimentation basin.
Sedimentation basin is used for precipitating the dirt buck that wet ashpit 20 overflows, and its internal volume is a little bigger preferably.
Also having a gap, outlet to connect with clear water reserviors 19 on sedimentation basin, the clear water that sedimentation basin overflows follows for secondary
Ring, can save water source.
Claims (8)
1. a chimney leftover bits and pieces water bath dust-removing sulfur method, including: funnel shaft, flue dust import, flue dust air inlet pipe, tubaeform sieve
The outlet of orifice plate, flue dust air inlet pipe, annular water spout, sparge pipe, valve, pumping line, water pump, vacuum, water inlet pipe, filter screen
Cover, rush dirt mud pipe, rush mouth, ashpit, wet ash pool water level, forklift ash discharge slope road, clear water reserviors, wet ashpit, rush dirt mud slope；It is special
Levy and be: fluidized bed furnace offgas duct connects with flue dust import through air-introduced machine outlet, and flue dust air inlet pipe and tubaeform sieve tray are arranged on
In funnel shaft, flue dust import is on flue dust air inlet pipe top, and through funnel shaft, is connected with air-introduced machine outlet；Flue dust enters
Tracheae is passed down through the tubaeform sieve tray of polylith, below straight skewer to wet ash pool water level, adjusts according to emission request and air-introduced machine blast
Whole flue dust air inlet pipe enters water optimum depth, and flue dust air inlet pipe underwater penetration is at more than 50mm, then dust removing effects is fine, but air-introduced machine
Blast requires height, flue dust air inlet pipe underwater penetration at below 30mm, then air-introduced machine blast require can low spot, but dust removing effects is relatively
Difference；Polylith is tubaeform, and sieve tray is welded in flue dust air inlet pipe, and every piece is connected with fulcrum on inner wall of stack circumferentially by three fulcrums
Connect；Full circular hole is bored on tubaeform sieve tray；Annular water spout is looped around flue dust air inlet pipe top, is positioned at the tubaeform sieve of lastblock
Above orifice plate, being drilled with downwards multiple spray orifice around annular water spout, nozzle hole number is according to big to requirement and the water pump of dust removing effects
Little designing, injection flow rate is the biggest, and dust removing effects is the best, on the contrary then dust removing effects almost, annular water spout connects with sparge pipe,
Sparge pipe connects with pumping line through valve；Vacuum is installed on unit fixed on water pump suction, connects with water inlet pipe, water inlet pipe front end
Screen cover is installed, is not required to bottom valve is installed, is not added with diversion, screen cover is drilled with circular hole；Flue dust is due to the pressure of air-introduced machine, from cigarette
Dirt import, through flue dust air inlet pipe, runs into the water wet ashpit when the outlet ejection of flue dust air inlet pipe, and bulky grain grit enters water
In；Steam flow starts up, runs into the water smoke on multi-deck screen orifice plate, and little particle grit is mixed in water, and funnel shaft inwall stream is crossed in footpath
Enter wet ashpit；Air-flow after buck dust-removal and desulfurizing is arranged to air through chimney；The pre-water of high temperature sulfurous gas in flue dust can be given birth to
Become weak acid, in sedimentation basin, add soda ash or quick lime, neutralize the acid-base value in water；Equipped with gate on pumping line branched pipe,
Connecting with rushing dirt mud pipe, rush dirt mud pipe front end equipped with rushing mouth, rushing mouth is flat hole, rush nozzle aperture discharge area by the hydraulic pressure of water pump and
The water yield determines, the water yield, hydraulic pressure are big, rush mouth discharge area and can be larger, whereas to less, it is desirable to rush press water that mouth goes out under water
Undercurrent；Rushing dirt mud slope envisaged underneath is round volute shape, adjusts gate, rush press water that mouth goes out in round spiral case to
On torn open, by parabola direction under water, dirt mud is gone out outside ashpit；On ashpit push up requirement submerge wet ash pool water level below,
Can not leak out；The just side to ashpit is provided with forklift ash discharge slope road, and the wet ash of accumulation is transported outward by forklift ash discharge or entrucking；Adjust
The gap of water level connects with sedimentation basin, and sedimentation basin is used for precipitating the dirt buck that wet ashpit overflows, and its internal volume is a little bigger preferably, heavy
Shallow lake Chi Shangye has a gap, outlet to connect with clear water reserviors, and the clear water that sedimentation basin overflows is for secondary cycle.
A kind of chimney leftover bits and pieces water bath dust-removing sulfur method the most according to claim 1, is characterized in that: adjust flue dust air inlet pipe
Underwater penetration is between 30-50mm.
A kind of chimney leftover bits and pieces water bath dust-removing sulfur method the most according to claim 1, is characterized in that: on tubaeform sieve tray
Boring area is the 30-40% of the gross area, and bore diameter is Φ 30-40mm.
A kind of chimney leftover bits and pieces water bath dust-removing sulfur method the most according to claim 1, is characterized in that: around annular water spout
Boring downwards injection diameter is Φ 12-14mm.
A kind of chimney leftover bits and pieces water bath dust-removing sulfur method the most according to claim 1, is characterized in that: the boring of screen cover is straight
Footpath between Φ 10-12mm, boring area the gross area 40-50% with.
A kind of chimney leftover bits and pieces water bath dust-removing sulfur method the most according to claim 1, is characterized in that: rush v angle, dirt mud slope
It is 40-45 with vertical line angle0Degree.
A kind of chimney leftover bits and pieces water bath dust-removing sulfur method the most according to claim 1, is characterized in that: forklift ash discharge slope road sets
Meter gradient r angle is 13-150Degree.
A kind of chimney leftover bits and pieces water bath dust-removing sulfur method the most according to claim 1, is characterized in that: wet ashpit internal volume is wanted
Seek 10m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610433833.6A CN105920962B (en) | 2016-06-18 | 2016-06-18 | A kind of chimney leftover bits and pieces water bath dust-removing sulfur method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610433833.6A CN105920962B (en) | 2016-06-18 | 2016-06-18 | A kind of chimney leftover bits and pieces water bath dust-removing sulfur method |
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| Publication Number | Publication Date |
|---|---|
| CN105920962A true CN105920962A (en) | 2016-09-07 |
| CN105920962B CN105920962B (en) | 2018-08-24 |
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ID=56830140
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310908A (en) * | 2016-11-01 | 2017-01-11 | 北镇市青岩节能设备制造有限公司 | Cyclonic water film dust collector with vacuum automatic water supply device |
| CN106390641A (en) * | 2016-11-19 | 2017-02-15 | 杨朴 | Stainless steel water bath dedusting and desulfurizing tower |
| CN106422601A (en) * | 2016-11-24 | 2017-02-22 | 杨朴 | Boiling furnace dust removal and desulfurization tower |
| CN110496483A (en) * | 2019-08-30 | 2019-11-26 | 王德财 | A kind of large size Environmental-protecting dust-removing equipment |
| FR3104451A1 (en) | 2019-12-16 | 2021-06-18 | Georges Levy | AIR CLEANING DEVICE |
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| US3757708A (en) * | 1971-09-22 | 1973-09-11 | Prospero P Di | Pollution control device |
| CN2279205Y (en) * | 1995-07-27 | 1998-04-22 | 姚受田 | Air water cleaner |
| CN201070572Y (en) * | 2007-08-14 | 2008-06-11 | 湖南大学 | Injecting, bubbling, desulfurating, dust settling and absorbing tower with vertical screen plate |
| CN204816188U (en) * | 2015-06-25 | 2015-12-02 | 杨朴 | Stainless steel water bath dust removal desulfurizing tower |
| CN204911100U (en) * | 2015-06-25 | 2015-12-30 | 杨朴 | Water bath dedusting desulphurizer |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3757708A (en) * | 1971-09-22 | 1973-09-11 | Prospero P Di | Pollution control device |
| CN2279205Y (en) * | 1995-07-27 | 1998-04-22 | 姚受田 | Air water cleaner |
| CN201070572Y (en) * | 2007-08-14 | 2008-06-11 | 湖南大学 | Injecting, bubbling, desulfurating, dust settling and absorbing tower with vertical screen plate |
| CN204816188U (en) * | 2015-06-25 | 2015-12-02 | 杨朴 | Stainless steel water bath dust removal desulfurizing tower |
| CN204911100U (en) * | 2015-06-25 | 2015-12-30 | 杨朴 | Water bath dedusting desulphurizer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310908A (en) * | 2016-11-01 | 2017-01-11 | 北镇市青岩节能设备制造有限公司 | Cyclonic water film dust collector with vacuum automatic water supply device |
| CN106390641A (en) * | 2016-11-19 | 2017-02-15 | 杨朴 | Stainless steel water bath dedusting and desulfurizing tower |
| CN106422601A (en) * | 2016-11-24 | 2017-02-22 | 杨朴 | Boiling furnace dust removal and desulfurization tower |
| CN110496483A (en) * | 2019-08-30 | 2019-11-26 | 王德财 | A kind of large size Environmental-protecting dust-removing equipment |
| CN110496483B (en) * | 2019-08-30 | 2020-06-05 | 嵊州市万睿科技有限公司 | Large-scale environmental protection dust collecting equipment |
| FR3104451A1 (en) | 2019-12-16 | 2021-06-18 | Georges Levy | AIR CLEANING DEVICE |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105920962B (en) | 2018-08-24 |
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Effective date of registration: 20190426 Address after: 415500 Xingxing Village, Dayan Barrier Town, Lixian County, Changde City, Hunan Province Patentee after: HUNAN FEILAIFENG NONMETAL MINERAL MATERIAL CO., LTD. Address before: 415528 Shuangquan Temple Residential Committee of Fangshiping Town, Lixian County, Changde City, Hunan Province Patentee before: LIXIAN COUNTY FANGSHIPING YANGPU MINING MACHINERY PLANT |