CN105920962B - A kind of chimney leftover bits and pieces water bath dust-removing sulfur method - Google Patents
A kind of chimney leftover bits and pieces water bath dust-removing sulfur method Download PDFInfo
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- CN105920962B CN105920962B CN201610433833.6A CN201610433833A CN105920962B CN 105920962 B CN105920962 B CN 105920962B CN 201610433833 A CN201610433833 A CN 201610433833A CN 105920962 B CN105920962 B CN 105920962B
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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
-
- 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
Abstract
A kind of chimney leftover bits and pieces water bath dust-removing sulfur method, including：Funnel shaft, sieve tray, water spout, sparge pipe, valve, pumping line, water pump, vacuum, water inlet pipe, screen cover, rushes dirt mud pipe, rushes mouth, ashpit, clear water reserviors, wet ashpit at air inlet pipe；It is characterized in that：Tubaeform sieve tray is welded in flue dust air inlet pipe, and straight skewer enters wet grey pool water level or less to air inlet pipe downwards；Water spout connects with pumping line；Vacuum and screen cover are installed on unit fixed on water pump suction；The pre- water of flue dust sulfurous gas can generate weak acid, and soda ash is added to neutralize；Pumping line connects with dirt mud pipe is rushed, and it is flat hole to rush mouth, and pressure water has been torn open upwards in round spiral case, and dirt mud is rushed out outside ashpit；Forklift ash discharge or entrucking outward transport；Gap connects with sedimentation basin, and sedimentation basin gap connects with clear water reserviors, is used for closed cycle；Advanced design of the present invention, electricity consumption is few, high degree of automation, is a kind of very simple, practical, ideal dust-collecting sulfur-removing method of effect, can widely popularize.
Description
Technical field
The present invention relates to a kind of chimney leftover bits and pieces water bath dust-removing sulfur methods, belong to Environmental-protecting dust-removing equipment technical field.
Background technology
The tail portion soot emissions of fluidized bed furnace and various heat source furnaces are one and make every effort to perfect project always, and qualified discharge is
A kind of target, pernicious gas content is very high in flue dust, such as without processing, will cause seriously to destroy very much to ecological environment,
The existing flue gas discharge capacity kiln within 10 ten thousand steres per hour, is not achieved the discharge standard of National Environmental Protection Agency's requirement.
Invention content
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 tail portion flue dust of source stove is effectively treated in chimney leftover bits and pieces.
In order to solve the above technical problems, 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, the outlet of flue dust air inlet pipe, annular water spout, sparge pipe, valve,
Pumping line, vacuum, water inlet pipe, screen cover, rushes dirt mud pipe, rushes mouth, ashpit, wet grey pool water level, forklift ash discharge water pump
Slope road, wet ashpit, rushes dirt mud slope at clear water reserviors；It is characterized in that：Fluidized bed furnace offgas duct exports and flue dust import phase by air-introduced machine
It connects.
Flue dust air inlet pipe and tubaeform sieve tray are mounted in funnel shaft.
Flue dust import passes through funnel shaft on flue dust air inlet pipe top, 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 grey pool water level.
Flue dust air inlet pipe underwater penetration is adjusted according to emission request and air-introduced machine wind pressure, it is desirable that between 30-50mm.
Flue dust air inlet pipe underwater penetration is in 50mm or more, then dust removing effects are fine, but air-introduced machine wind pressure wants high.
Flue dust air inlet pipe underwater penetration in 30mm hereinafter, then air-introduced machine wind pressure require can low spot, but dust removing effects are poor.
Polylith is tubaeform, and sieve tray is welded in flue dust air inlet pipe, and every piece circumferentially by fulcrum on three fulcrums and inner wall of stack
It is connected.
Full circular hole is bored on tubaeform sieve tray, drilling 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 located above the tubaeform sieve tray of most lastblock.
Multiple spray orifices are drilled with around annular water spout downwards, injection diameter requires to be Φ 12-14mm.
Nozzle hole number according to dust removing effects requirement and water pump size design, water spray is bigger, dust removing effects are better,
On the contrary then dust removing effects are almost.
Annular water spout connects with sparge pipe.
Sparge pipe connects by valve with pumping line.
Vacuum is installed on unit fixed on water pump suction, is connected with water inlet pipe.
Water inlet pipe front end is equipped with screen cover, is not required to installation bottom valve, is not added with diversion.
The bore diameter of screen cover is between Φ 10-12mm.
The drilling area requirements of screen cover are within the 40-50% of the gross area.
Flue dust passes through flue dust air inlet pipe, when exporting ejection from flue dust air inlet pipe due to the pressure of air-introduced machine from flue dust import
The water in wet ashpit is encountered, bulky grain grit enters in water.
Steam flow starts uplink, encounters the water mist on multilayer sieve tray, and little particle grit is mixed into water, and diameter is crossed in funnel shaft
Wall flows into wet ashpit.
Air-flow after buck dust-removal and desulfurizing is arranged through chimney to air.
The pre- water of high temperature sulfurous gas in flue dust can generate weak acid.
Add soda ash or quick lime in sedimentation basin, neutralizes the acid-base value in water.
Gate is housed on pumping line branched pipe, is connected with dirt mud pipe is rushed.
Dirt mud pipe front end is rushed equipped with mouth is rushed, it is flat hole to rush mouth, and it is true by the hydraulic pressure and water of water pump to rush nozzle aperture discharge area
Fixed, water, hydraulic pressure are big, rush mouth discharge area and can be larger, whereas to smaller.
It is required that rushing the pressure water that mouth is gone out, dirt mud can be gone out by lower spiral case outside ashpit from dirt mud slope is rushed, it is desirable that
It is underwater undercurrent to rush dirt muddy water stream.
Top requires to submerge wet grey pool water level hereinafter, cannot leak out on ashpit.
It is 40-45 that the dirt mud slope angles v, which are rushed, with vertical line angle0Degree.
It is round volute shape to rush dirt mud slope envisaged underneath, adjusts gate, rushes pressure water that mouth is gone out in round spiral case
In torn open upwards, by underwater parabola direction, dirt mud is gone out outside ashpit.
One side of face ashpit is equipped with forklift ash discharge slope road, and forklift ash discharge slope road is designed at wet ashpit one end, the angles gradient r
For 13-150Degree.
Wet ashpit internal volume is required in 10m3More than, the gap for adjusting water level connects with sedimentation basin.
Sedimentation basin is used for precipitating the dust water that wet ashpit overflows, and internal volume is a little louder preferably.
Also there are one gap on sedimentation basin, outlet connects with clear water reserviors, and the clear water that sedimentation basin overflows is used for secondary cycle.
Chimney designs water bath dust-removing sulfur method in getting a foothold, and has following progress and novelty.
The floor space of dust pelletizing system has been saved in the design being combined into one, and saves investment.
Design pressure water rushes dirt mud, can use forklift ash discharge and entrucking, can save production cost, saves artificial.
Wet ash is filled by forklift to be transported outward, and dust cost of wheeling has been saved.
Using dust is managed outside water, secondary pollution environment is reduced.
Equipment is operated without special messenger.
With water closed cycle, water source has been saved, it is free from environmental pollution.
In conclusion water bath dust-removing desulphurization system advanced design, electricity consumption is few, high degree of automation, be it is a kind of it is very simple,
Dust-collecting sulfur-removing method highly practical, effect is ideal can be widelyd popularize.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Attached drawing is schematic structural view of the invention.
In attached drawing：1. funnel shaft, 2. flue dust imports, 3. flue dust air inlet pipe, 4. tubaeform sieve trays, 5. flue dust
Air inlet pipe outlet, 6. annular water spouts, 7. sparge pipes, 8. valves, 9. pumping lines, 10. water pumps, 11. vacuums,
12. water inlet pipe, 13. screen covers, 14. rush dirt mud pipe, 15. rush mouth, 16. ashpits, 17. wet grey pool water levels, 18. forklifts
Ash discharge slope road, 19. clear water reserviors, 20. wet ashpits, 21. rush dirt mud slope.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
Reference attached drawing, 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, water inlet pipe 12, screen cover 13, rushes dirt mud pipe 14, rushes mouth 15, ashpit 16, wet grey pool water level 17, shovel at vacuum 11
Vehicle ash discharge slope road 18, wet ashpit 20, rushes dirt mud slope 21 at clear water reserviors 19；It is characterized in that：Fluidized bed furnace offgas duct goes out by air-introduced machine
Mouth connects with flue dust import 2.
Flue dust air inlet pipe 3 and tubaeform sieve tray 4 are mounted in funnel shaft 1.
Flue dust import 2 passes through funnel shaft 1 on 3 top of flue dust air inlet pipe.
Flue dust air inlet pipe 3 is passed down through the tubaeform sieve tray 4 of polylith, straight skewer to 17 or less wet grey pool water level.
According to emission request and air-introduced machine wind pressure adjustment flue dust air inlet pipe export 5 underwater penetrations, it is desirable that 30-50mm it
Between.
Flue dust air inlet pipe exports 5 underwater penetrations in 50mm or more, then dust removing effects are fine, but air-introduced machine wind pressure is wanted
It is high.
Flue dust air inlet pipe export 5 underwater penetrations in 30mm hereinafter, then air-introduced machine wind pressure require can low spot, but dust removing effects compared with
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.
Full circular hole is bored on tubaeform sieve tray 4, drilling area is the 30-40% of the gross area.
Bore diameter is Φ 30-40mm.
Annular water spout 6 is looped around 3 top of flue dust air inlet pipe, is located at tubaeform 4 top of sieve tray of most lastblock.
6 periphery of annular water spout is drilled with downwards multiple spray orifices, and injection diameter requires to be Φ 12-14mm.
Nozzle hole number according to dust removing effects requirement and water pump size design, water spray is bigger, dust removing effects are better,
On the contrary then dust removing effects are almost.
Annular water spout 6 connects with sparge pipe 7.
Sparge pipe 7 connects by valve 8 with pumping line 9.
Vacuum 11 is installed in 10 import of water pump, is connected with water inlet pipe 12.
12 front end of water inlet pipe is equipped with screen cover 13, is not required to installation bottom valve, is not added with diversion.
The bore diameter of screen cover 13 is between Φ 10-12mm.
The drilling area requirements of screen cover 13 are the 40-50% or so of the gross area.
Flue dust is sprayed from flue dust import 2 by flue dust air inlet pipe 3 from flue dust air inlet pipe outlet 5 due to the pressure of air-introduced machine
When, the water in wet ashpit 20 is encountered, bulky grain grit enters in water.
Steam flow starts uplink, encounters the water mist on multilayer sieve tray 4, and little particle grit is mixed into water, and diameter crosses funnel shaft 1
Inner wall flows into wet ashpit 20.
The pre- water of high temperature sulfur-bearing steam in flue dust can generate weak acid.
Add soda ash or quick lime in sedimentation basin, neutralizes the acid-base value in water.
Gate 8 is housed on 9 branched pipe of pumping line, is connected with dirt mud pipe 14 is rushed.
14 front end of dirt mud pipe is rushed equipped with mouth 15 is rushed, it is flat hole to rush mouth 15, and discharge area presses the hydraulic pressure and water of water pump 10
It determines, water, hydraulic pressure are big, rush 15 discharge area of mouth and can be larger, whereas to smaller.
It is required that rushing the pressure water that mouth 15 is gone out, dirt mud can be gone out ashpit 16 from dirt mud slope 21 is rushed by lower spiral case
Outside, it is desirable that it is underwater undercurrent to rush dirt muddy water stream.
It is pushed up on ashpit 16, it is desirable that submerge wet grey pool water level 17 hereinafter, cannot leak out.
The angles v and vertical line angle for rushing dirt mud slope 21 are 40-450Degree.
It is round volute shape to rush 21 envisaged underneath of dirt mud slope, and adjustment gate 8 rushes pressure water that mouth is gone out in round snail
It has torn open in shell, by underwater parabola direction, dirt mud has been gone out outside ashpit 16 upwards.
The front of face ashpit 16 is equipped with forklift ash discharge slope road 18, and 18 angles gradient r of forklift ash discharge slope road are 13-150Degree,
The wet ash of accumulation is transported outward by forklift ash discharge or entrucking.
20 internal volume of wet ashpit is required in 10m3More than, the gap for adjusting water level connects with sedimentation basin.
Sedimentation basin is used for precipitating the dust water of the spilling of wet ashpit 20, and internal volume is a little louder preferably.
Also there are one gap on sedimentation basin, outlet connects with clear water reserviors 19, and the clear water that sedimentation basin overflows is followed for secondary
Ring can save water source.
Claims (6)
1. a kind of chimney leftover bits and pieces water bath dust-removing sulfur method, including：Funnel shaft, flue dust import, flue dust air inlet pipe, tubaeform sieve
Orifice plate, the outlet of flue dust air inlet pipe, annular water spout, sparge pipe, valve, pumping line, water pump, vacuum, water inlet pipe, strainer
It covers, rushes dirt mud pipe, rush mouth, ashpit, wet grey pool water level, forklift ash discharge slope road, clear water reserviors, wet ashpit, rush dirt mud slope；It is special
Sign is：Fluidized bed furnace offgas duct connects by air-introduced machine outlet with flue dust import, and flue dust air inlet pipe and tubaeform sieve tray are mounted on
In funnel shaft, flue dust import passes through funnel shaft on flue dust air inlet pipe top, is connected with air-introduced machine outlet；Flue dust into
Tracheae is passed down through the tubaeform sieve tray of polylith, below straight skewer to wet grey pool water level between 30-50mm, according to emission request and draws
Fan pressure adjustment flue dust air inlet pipe enters water optimum depth, and flue dust air inlet pipe underwater penetration is in 50mm or more, then dust removing effects are very
It is good, but air-introduced machine wind pressure wants high, flue dust air inlet pipe underwater penetration in 30mm hereinafter, then the requirement of air-introduced machine wind pressure can low spot,
But dust removing effects are poor；Polylith is tubaeform, and sieve tray is welded in flue dust air inlet pipe, and every piece circumferentially by three fulcrums and chimney
Fulcrum is connected on wall；Full circular hole is bored on tubaeform sieve tray；Annular water spout is looped around flue dust air inlet pipe top, is located at most upper
Above one piece of tubaeform sieve tray, it is drilled with multiple spray orifices downwards around annular water spout, nozzle hole number is according to dust removing effects
It is required that being designed with water pump size, water spray is bigger, dust removing effects are better, on the contrary then dust removing effects almost, annular water spout
Connect with sparge pipe, sparge pipe connects by valve with pumping line；Vacuum is installed, with water inlet pipe phase on unit fixed on water pump suction
It connects, water inlet pipe front end is equipped with screen cover, is not required to installation bottom valve, is not added with diversion, circular hole is drilled on screen cover；Flue dust is due to air inducing
The pressure of machine passes through flue dust air inlet pipe from flue dust import, and exporting the when of spraying from flue dust air inlet pipe encounters water in wet ashpit, big
Grain grit enters in water；Air-flow starts uplink, encounters the water mist on multilayer sieve tray, and little particle grit is mixed into water, and diameter crosses cigarette
Chimney outer casing inner wall flows into wet ashpit；Air-flow after buck dust-removal and desulfurizing is arranged through chimney to air；High temperature sulfur-bearing in flue dust
The pre- water of gas can generate weak acid, and soda ash or quick lime are added into sedimentation basin, neutralize the acid-base value in water；Pumping line branched pipe
It is upper that gate is housed, connect with dirt mud pipe is rushed, rush dirt mud pipe front end equipped with mouth is rushed, it is flat hole to rush mouth, rush nozzle aperture discharge area by
The hydraulic pressure and water of water pump determine that water, hydraulic pressure are big, rush mouth discharge area and can be larger, whereas to smaller, it is desirable that rush what mouth was gone out
Pressure water is underwater undercurrent；It is round volute shape to rush dirt mud slope envisaged underneath, adjusts gate, rushes the pressure water that mouth is gone out and exist
It has torn open in round spiral case, by underwater parabola direction, dirt mud has been gone out outside ashpit upwards；Top requires to submerge wet ash on ashpit
Pool water level is hereinafter, cannot leak out；One side of face ashpit is equipped with forklift ash discharge slope road, and the wet ash of accumulation is by forklift ash discharge or dress
Vehicle is transported outward；The gap of adjustment water level connects with sedimentation basin, and sedimentation basin is used for precipitating the dust water of wet ashpit spilling, on sedimentation basin
Also there are one gap, outlet connects with clear water reserviors, and the clear water that sedimentation basin overflows is used for secondary cycle.
2. a kind of chimney leftover bits and pieces water bath dust-removing sulfur method according to claim 1, it is characterized in that：Around annular water spout
It is Φ 12-14mm to bore injection diameter downwards.
3. a kind of chimney leftover bits and pieces water bath dust-removing sulfur method according to claim 1, it is characterized in that：The drilling of screen cover is straight
Diameter is between Φ 10-12mm, and drilling area is between the 40-50% of the gross area.
4. a kind of chimney leftover bits and pieces water bath dust-removing sulfur method according to claim 1, it is characterized in that：Rush the dirt mud slope angles v
It is 40-45 degree with vertical line angle.
5. a kind of chimney leftover bits and pieces water bath dust-removing sulfur method according to claim 1, it is characterized in that：Forklift ash discharge slope road is set
It is 13-15 degree to count the angles gradient r.
6. a kind of chimney leftover bits and pieces water bath dust-removing sulfur method according to claim 1, it is characterized in that：Wet ashpit internal volume is wanted
It asks in 10m3More than.
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| 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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| 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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| CN105920962B true CN105920962B (en) | 2018-08-24 |
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Families Citing this family (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 |
| 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 |
| FR3104451B1 (en) | 2019-12-16 | 2022-07-01 | Georges Levy | AIR CLEANER DEVICE |
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| CN2279205Y (en) * | 1995-07-27 | 1998-04-22 | 姚受田 | Air water cleaner |
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| 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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| 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 |
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| CN105920962A (en) | 2016-09-07 |
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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 |