CN106178905A - There is the desulfurizing tower held one's breath with aerator - Google Patents
There is the desulfurizing tower held one's breath with aerator Download PDFInfo
- Publication number
- CN106178905A CN106178905A CN201610818813.0A CN201610818813A CN106178905A CN 106178905 A CN106178905 A CN 106178905A CN 201610818813 A CN201610818813 A CN 201610818813A CN 106178905 A CN106178905 A CN 106178905A
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- Prior art keywords
- aerator
- tower body
- aerated conduit
- breath
- effluent trough
- Prior art date
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Classifications
-
- 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
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—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 device
-
- 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
- B01D2251/402—Alkaline earth metal or magnesium compounds of magnesium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a kind of desulfurizing tower having and holding one's breath with aerator, belong to boiler flue gas purifying equipment technical field.Described have the desulfurizing tower with aerator of holding one's breath and include base, it is provided with tower body on described base, obturating system and aerator it is provided with, wherein: be provided with gas approach and exhanst gas outlet on described tower body, at described gas approach, be provided with flue gas flow guiding device in described tower body；Being provided with inner core and doctor solution spray equipment in described tower body, described doctor solution spray equipment is connected with being positioned at outside and equipped with doctor solution the solution circulatory pool of described tower body；Being provided with current-collecting device in described tower body, be provided with effluent trough outside described tower body, the outlet of described obturating system connects described solution circulatory pool by described effluent trough, and described aerator includes aerator and the aerated conduit being connected with described aerator.The present invention can make HSO3 ‑Or SO3 2‑There is fully oxidized, raising desulfurization degree, protect environment, again can be cost-effective.
Description
Technical field
The present invention relates to boiler flue gas purifying equipment technical field, particularly relate to a kind of there is hold one's breath with aerator de-
Sulfur tower.
Background technology
Recently as industrial expansion, the impact on environment shows especially day by day, and haze weather, whole world balloon warm, air
Pollution control is a difficult problem for mankind's facing.And the sulfur dioxide that coal-burning boiler, Industrial Stoves and incinerator etc. produce,
The gases such as carbon dioxide, are its arch-criminals.Flue gas desulfurization is the master reducing the major pollutants sulfur dioxide that coal combustion produces
Wanting measure, desulfurizing tower is the nucleus equipment of flue gas desulfurization technique.Wherein, the reaction principle of flue gas desulfurization is as follows:
Absorb: SO2(g)→SO2(1)+H2O→H++HSO3 -→H++SO3 2-
Dissolve: Mg (OH)2(s)→Mg2++2OH-
MgSO3(s)→Mg2++SO3 2-
Neutralize: OH-+H+→H2O
OH-+HSO3 -→SO3 2-+H2O
Oxidation: HSO3 -+1/2O2→SO4 2-+H+
SO3 2-+1/2O2→SO4 2-
Crystallization: Mg2++SO3 2-+1/2H2O→MgSO3·1/2H2O(s)
Mg2++SO4 2-+2H2O→MgSO4·2H2O(s)
During realizing the present invention, inventor finds that desulfurizing tower of the prior art is not provided that in oxidizing process
Enough oxygen, causes HSO3 -Or SO3 2-Oxidation reaction can not fully occur, there is residual, reduce removal efficiency, meanwhile, be used for taking off
The alkali liquor utilization rate of sulfur is low, and cost is high.
Summary of the invention
The technical problem to be solved in the present invention is to provide one can make HSO3 -Or SO3 2-There is fully oxidized, raising desulfurization
Rate, again can be cost-effective there is the desulfurizing tower held one's breath with aerator.
For solving above-mentioned technical problem, the present invention provides technical scheme as follows:
A kind of have the desulfurizing tower held one's breath with aerator, including base, described base is provided with tower body, described tower body
Lower inside is provided with obturating system and aerator, wherein:
Being provided with gas approach and exhanst gas outlet on described tower body, described gas approach is arranged at the sidewall of described tower body
On, described gas approach is in described tower body and is internally provided with flue gas flow guiding device, and described exhanst gas outlet is arranged at described tower body
Top；
Being provided with inner core and doctor solution spray equipment in described tower body, the upper end of described inner core connects described flue gas water conservancy diversion dress
Putting, described doctor solution spray equipment is connected with being positioned at outside and equipped with doctor solution the solution circulatory pool of described tower body；
In described tower body, the lower section of described inner core is provided with current-collecting device, is provided with for getting rid of sulfur outside described tower body
The effluent trough of acid magnesia serosity, the outlet of described current-collecting device connects the entrance of described obturating system, going out of described obturating system
Mouthful connecting described solution circulatory pool by described effluent trough, described aerator includes aerator and is connected with described aerator
Aerated conduit, the end of described aerated conduit stretches into the bottom of described obturating system.
Further, described doctor solution spray equipment includes the spray nozzle being arranged in described inner core, and described spray nozzle leads to
Cross shower to be connected with described solution circulatory pool.
Further, described current-collecting device is set to funnel-form, and the bottom surface of described obturating system is set to oblique section, described
Obturating system connects has one end of described current-collecting device higher than the other end, the end of described aerated conduit be positioned close to described in go out
One end of tank and the notch less than described effluent trough, described effluent trough is 0 °～60 ° with the angle of horizontal direction.
Further, it is provided with in the middle part of described obturating system for intercepting what untreated flue gas overflowed from described effluent trough
Baffle plate, described baffle plate stretches into below liquid level.
Further, the end of described aerated conduit is provided with 1～4 outlet, wherein:
Described aerated conduit end is set to " one " font with 2 outlets or " ten " font with 4 outlets.
Further, described aerated conduit includes first segment aerated conduit, second section aerated conduit and Section of three aeration tube
Road, described first segment aerated conduit is positioned at described tower body and is set to " L " type in the both sides of described obturating system, and described second
Joint aerated conduit and Section of three aerated conduit are set to " V " type and its section of tubing is arranged on the outside of described tower body.
Further, described first segment aerated conduit is provided with air accumulator, measuring instruments, regulation valve and for controlling
Stating the control valve of aerator work, described second section aerated conduit and Section of three aerated conduit are for removably connecting.
Further, described second section aerated conduit and Section of three aerated conduit are connected by screwed flange, described water outlet
Groove is set to " u "-shaped groove structure.
Further, the top of described obturating system and one end of close described effluent trough are provided with the first maintenance entrance,
The side of described obturating system and be provided with the second maintenance entrance in the lower section of described effluent trough.
Further, in described current-collecting device, it is provided with the gripper shoe for supporting described inner core, described gripper shoe and interior
Cylinder respectively with described current-collecting device for being welded to connect, described effluent trough bottom is provided with support column, described aerator employing Roots
Blower fan.
The method have the advantages that
The desulfurizing tower with aerator of holding one's breath that has of the present invention includes base, base is provided with have gas approach and
The tower body of exhanst gas outlet, gas approach connects the inner core within tower body by flue gas flow guiding device, is provided with doctor solution in tower body
Spray equipment, doctor solution spray equipment is connected with the solution circulatory pool equipped with doctor solution, sets in tower body and in the lower section of inner core
Being equipped with current-collecting device, the outlet of current-collecting device connects the entrance of obturating system, and the outlet of obturating system connects molten by effluent trough
Liquid circulatory pool, the aerator of aerator is obturating system transport of H SO by aerated conduit3 -Or SO3 2-Needed for there is oxidation reaction
The oxygen wanted.The having of the present invention hold one's breath and aerator desulfurizing tower in use, boiler smoke passes through flue gas flow guiding device
Being transported to be provided with in the inner core of doctor solution spray equipment, there is chemical reaction in flue gas in inner core, after there is chemical reaction
Magnesium sulfate particle loaded fluid is washed in obturating system through inner core, current-collecting device, and aerator passes through aerated conduit constantly for dress of holding one's breath
Put middle transport of H SO3 -Or SO3 2-There is the oxygen required for oxidation reaction so that it is fully oxidized, then crystallization, thus improve
Desulfurization degree, it is to avoid HSO3 -Or SO3 2-Being discharged in air pollution environment, meanwhile, constantly the oxygen for obturating system conveying can rise
Effect to stirring, it is to avoid MgSO3·1/2H2O (s) or MgSO4·2H2O (s) crystal settling is to the bottom of obturating system, finally
Magnesium sulfate particle loaded fluid after fully there is chemical reaction arrives at solution circulatory pool by effluent trough, and the spray in solution circulatory pool takes off
Sulfur denitration liquid can recycle, cost-effective.
To sum up, the aerator of the present invention can be with continuous aeration fully to supplement HSO3 -Or SO3 2-Needed for there is oxidation reaction
The oxygen wanted, improves desulfurization degree, it is to avoid the HSO of residual3 -Or SO3 2-It is discharged in air pollution environment, meanwhile, solution circulatory pool
In doctor solution can recycle, cost-effective.
Accompanying drawing explanation
Fig. 1 is the structural representation with the desulfurizing tower with aerator of holding one's breath of the present invention；
Fig. 2 is the structural representation with aerator of holding one's breath with the desulfurizing tower held one's breath with aerator of the present invention；
Fig. 3 is the structural representation of the inner core with the desulfurizing tower with aerator of holding one's breath of the present invention；
Fig. 4 is that the A of the inner core of the desulfurizing tower that having shown in Fig. 3 is held one's breath with aerator is to structural representation.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of desulfurizing tower having and holding one's breath with aerator, as Figure 1-4, including base 1, base 1
On be provided with tower body 6, tower body 6 lower inside is provided with obturating system 3 and aerator, wherein:
Being provided with gas approach 22 and exhanst gas outlet 9 on tower body 6, gas approach 22 is arranged on the sidewall of tower body 6, flue gas
Import 22 is in tower body 6 and is internally provided with flue gas flow guiding device 23, and exhanst gas outlet 9 is arranged at the top of tower body 6；
Being provided with inner core 7 and doctor solution spray equipment 8 in tower body 6, the upper end of inner core 7 connects flue gas flow guiding device 23, de-
Sulfur liquid spray equipment 8 is connected with being positioned at outside and equipped with doctor solution the solution circulatory pool 14 of tower body 6；
In tower body 6, the lower section of inner core 7 is provided with current-collecting device 5, is provided with outside tower body 6 for getting rid of magnesium sulfate mortar
The effluent trough 12 of liquid, the outlet of current-collecting device 5 connects the entrance of obturating system 3, and the outlet of obturating system 3 is by effluent trough 12 even
Connecing solution circulatory pool 14, aerator includes aerator 2 and the aerated conduit 4 being connected with aerator 2, the end of aerated conduit 4
Stretch into the bottom of obturating system 3.
The having of the present invention hold one's breath and aerator desulfurizing tower in use, boiler smoke is defeated by flue gas flow guiding device
Delivering to be provided with in the inner core of doctor solution spray equipment, there is chemical reaction in flue gas in inner core, and the sulfur after chemical reaction occurs
Acid magnesia serosity is washed in obturating system through inner core, current-collecting device, and aerator is constantly obturating system by aerated conduit
Middle transport of H SO3 -Or SO3 2-There is the oxygen required for oxidation reaction so that it is fully oxidized, then crystallization, thus improve de-
Sulfur rate, it is to avoid HSO3 -Or SO3 2-Being discharged in air pollution environment, meanwhile, constantly the oxygen for obturating system conveying can play
The effect of stirring, reduces MgSO3·1/2H2O (s) or MgSO4·2H2O (s) crystal settling, to the bottom of obturating system, finally fills
Distribute biochemical reacted magnesium sulfate particle loaded fluid and arrive at solution circulatory pool by effluent trough, the spray desulfurization in solution circulatory pool
Denitration liquid can recycle, cost-effective.
Preferably, doctor solution spray equipment 8 includes the spray nozzle 21 being arranged in inner core 7, and spray nozzle 21 passes through shower
It is connected with solution circulatory pool 14.Doctor solution in solution circulatory pool is transported in spray nozzle by shower, then from spray nozzle
Middle ejection and the flue gas generation chemical reaction in inner core, carry out desulfurization to boiler smoke.
Further, current-collecting device 5 is set to funnel-form, and the bottom surface of obturating system 3 is set to oblique section, obturating system 3
Connecting and have one end of current-collecting device 5 to be higher than the other end, the end of aerated conduit 4 is positioned close to one end of effluent trough 12 and is less than
The notch of effluent trough 12, effluent trough 12 is 0 °～60 ° with the angle of horizontal direction.The bottom surface of obturating system is set to oblique section to be had
It is beneficial to MgSO3·1/2H2O (s) or MgSO4·2H2O (s) crystal settling to it near the bottom surface of effluent trough one end, it is simple to crystal
Discharge, and the flow velocity that effluent trough is set to can increase with the angle that horizontal direction is 0 °～60 ° magnesium sulfate particle loaded fluid subtracts
Few crystal settling is to the bottom surface of effluent trough.
Overflow from effluent trough to block untreated boiler smoke, improve environmental quality.Arrange in the middle part of obturating system 3
Baffle plate 16, baffle plate 16 is had to stretch into below liquid level.
Further, the end of aerated conduit 4 is provided with 1～4 outlet, wherein: aerated conduit 4 end could be arranged to
There is " one " font of 2 outlets or there is " ten " font of 4 outlets.The end of aerated conduit is set to multiple outlet
The oxygen in aerated conduit can be made to export from different directions, thus play more preferable stirring action, reduce MgSO3·1/
2H2O (s) or MgSO4·2H2O (s) crystal settling is to the bottom of obturating system.
As a modification of the present invention, aerated conduit 4 includes first segment aerated conduit 41, second section aerated conduit 42 and
Section three, aerated conduit 43, first segment aerated conduit 41 is positioned at tower body 6 and is set to " L " type in the both sides of obturating system 3, the
Two joint aerated conduits 42 and Section of three aerated conduit 43 are set to " V " type and its section of tubing is arranged on the outside of tower body 6, separately
Outward, first segment aerated conduit 41 is arranged air accumulator 19, measuring instruments 20, regulation valve 18 and control valve 17, second section aeration tube
Road 42 and Section of three aerated conduit 43 are for removably connecting." L " type and " V " type structural grouping can make second section aerated conduit and
Section three, the section of tubing of aerated conduit is positioned at the outside of tower body so that realizing second section aerated conduit and Section of three aeration tube
Road detachable, thus clear up the deposit of Section of three aerated conduit end, the air accumulator that first segment aerated conduit is arranged is used
It is used for measuring oxygen flow, regulation valve in store oxygen, measuring instruments described for controlling for controlling oxygen flow, control valve
Aerator works.
Further, second section aerated conduit 42 and Section of three aerated conduit 43 are connected by screwed flange, effluent trough 12
It is set to " u "-shaped groove structure.Screwed flange is that the screw thread utilizing the interior processing of flange endoporus screws realization even with threaded pipe
Connecing, it is not necessary to welding, have low cost, good airproof performance and the advantage such as easy for installation, effluent trough is set to " u "-shaped groove, " u "-shaped groove
Structure can conveniently be extracted Section of three aerated conduit out and can discharge the gas in obturating system.
For the ease of the maintenance to obturating system, improve the service life of equipment.The top of obturating system 3 and close water outlet
One end of groove is provided with the first maintenance entrance 11, the side of the obturating system 3 and lower section of effluent trough 12 is provided with the second maintenance
Entrance 13.Wherein, the first maintenance entrance is for adding preservative to reduce magnesium sulfate particle loaded fluid to obturating system to obturating system
Corrosion, improve the service life of obturating system, the second maintenance entrance is for discharging the magnesium sulfate being deposited to bottom obturating system
Residue.
In the present invention, it is provided with the gripper shoe 10 for supporting inner core 7, gripper shoe 10 and inner core 7 in current-collecting device 5 respectively
With current-collecting device 5 for being welded to connect, effluent trough 12 bottom is provided with support column 15.Gripper shoe and support column play a supportive role respectively
To increase inner core and the fastness of effluent trough, improving safety, gripper shoe is designed as 4, makes the uniform force of inner core.Aerator
2 use roots blowers, and roots blower has simple in construction, easily manufactured, noise is little and the advantage such as smooth running.It addition, base 1
On be provided with support floor with improve to tower body 6 support strength；Tower body 6, inner core 7 and obturating system 3 all use carbon steel or
Stainless steel, tower body 6 and the inwall of obturating system 3 and inner core 7 all do that scarfing cinder is antirust and preservative treatment.Tower body, inner core and
Obturating system all uses the inwall of carbon steel or stainless steel, tower body and obturating system and inner core all to do, and scarfing cinder is antirust and anticorrosion
Process, it is possible to reduce the boiler smoke corrosion to equipment, extend the life-span.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (10)
1. there is the desulfurizing tower held one's breath with aerator, including base, it is characterised in that on described base, be provided with tower
Body, described tower body lower inside is provided with obturating system and aerator, wherein:
Being provided with gas approach and exhanst gas outlet on described tower body, described gas approach is arranged on the sidewall of described tower body, institute
Stating gas approach to be in described tower body and be internally provided with flue gas flow guiding device, described exhanst gas outlet is arranged at the top of described tower body
Portion；
Being provided with inner core and doctor solution spray equipment in described tower body, the upper end of described inner core connects described flue gas flow guiding device,
Described doctor solution spray equipment is connected with being positioned at outside and equipped with doctor solution the solution circulatory pool of described tower body；
In described tower body, the lower section of described inner core is provided with current-collecting device, is provided with for getting rid of magnesium sulfate outside described tower body
The effluent trough of particle loaded fluid, the outlet of described current-collecting device connects the entrance of described obturating system, and the outlet of described obturating system is led to
Crossing described effluent trough and connect described solution circulatory pool, described aerator includes aerator and the aeration being connected with described aerator
Pipeline, the end of described aerated conduit stretches into the bottom of described obturating system.
The most according to claim 1 have the desulfurizing tower held one's breath with aerator, it is characterised in that described doctor solution sprays
Device includes the spray nozzle being arranged in described inner core, and described spray nozzle is connected with described solution circulatory pool by shower.
The most according to claim 2 have the desulfurizing tower held one's breath with aerator, it is characterised in that described current-collecting device sets
Being set to funnel-form, the bottom surface of described obturating system is set to oblique section, and described obturating system connects the one of described current-collecting device
End is higher than the other end, and the end of described aerated conduit is positioned close to one end of described effluent trough and is less than the groove of described effluent trough
Mouthful, described effluent trough is 0 °～60 ° with the angle of horizontal direction.
The most according to claim 3 have the desulfurizing tower held one's breath with aerator, it is characterised in that in described obturating system
Portion is provided with for intercepting the baffle plate that untreated boiler smoke overflows from described effluent trough, and described baffle plate stretches into below liquid level.
The most according to claim 1 have the desulfurizing tower held one's breath with aerator, it is characterised in that described aerated conduit
End is provided with 1～4 outlet, wherein:
Described aerated conduit end is set to " one " font with 2 outlets or " ten " font with 4 outlets.
The most according to claim 5 have the desulfurizing tower held one's breath with aerator, it is characterised in that described aerated conduit bag
Including first segment aerated conduit, second section aerated conduit and Section of three aerated conduit, described first segment aerated conduit is positioned at described tower
Internal and be set to " L " type in the both sides of described obturating system, described second section aerated conduit and Section of three aerated conduit are arranged
The outside of described tower body it is arranged on for " V " type and its section of tubing.
The most according to claim 6 have the desulfurizing tower held one's breath with aerator, it is characterised in that described first segment aeration
Be provided with on pipeline air accumulator, measuring instruments, regulation valve and for control described aerator work control valve, described second
Joint aerated conduit and Section of three aerated conduit are for removably connecting.
The most according to claim 7 have the desulfurizing tower held one's breath with aerator, it is characterised in that described second section aeration
Pipeline and Section of three aerated conduit are connected by screwed flange, and described effluent trough is set to " u "-shaped groove structure.
9. described there is the desulfurizing tower held one's breath with aerator according to arbitrary in claim 1-8, it is characterised in that described in close
The top of device of air and the one end near described effluent trough are provided with the first maintenance entrance, the side of described obturating system and in institute
The lower section stating effluent trough is provided with the second maintenance entrance.
The most according to claim 9 have the desulfurizing tower held one's breath with aerator, it is characterised in that described current-collecting device
Inside being provided with the gripper shoe for supporting described inner core, described gripper shoe and inner core are the company of welding with described current-collecting device respectively
Connecing, described effluent trough bottom is provided with support column, and described aerator uses roots blower.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610818813.0A CN106178905B (en) | 2016-09-12 | 2016-09-12 | With the desulfurizing tower held one's breath with aerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610818813.0A CN106178905B (en) | 2016-09-12 | 2016-09-12 | With the desulfurizing tower held one's breath with aerator |
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| CN106178905A true CN106178905A (en) | 2016-12-07 |
| CN106178905B CN106178905B (en) | 2019-02-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082119A1 (en) * | 2021-11-11 | 2023-05-19 | 无锡星亿智能环保装备股份有限公司 | Waste gas tower |
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| CN106178905B (en) | 2019-02-22 |
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