CN109200732A - A kind of compound desulfation dust-extraction device - Google Patents
A kind of compound desulfation dust-extraction device Download PDFInfo
- Publication number
- CN109200732A CN109200732A CN201811403074.4A CN201811403074A CN109200732A CN 109200732 A CN109200732 A CN 109200732A CN 201811403074 A CN201811403074 A CN 201811403074A CN 109200732 A CN109200732 A CN 109200732A
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- Prior art keywords
- spout
- dust
- throat
- nozzle
- venturi
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 16
- 238000000605 extraction Methods 0.000 title claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 27
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 19
- 230000007704 transition Effects 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 239000003546 flue gas Substances 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 19
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 abstract description 5
- 230000023556 desulfurization Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011044 inertial separation Methods 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- 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
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Cyclones (AREA)
Abstract
A kind of compound desulfation dust-extraction device, including sequentially connected dry whirlwind type dust cleaner, venturi desulfurizing dust-collector and wet type multi-tube dust cleaner.Venturi desulfurizing dust-collector includes the venturi nozzle of vertical arrangement and the U-shaped separator that its bottom is arranged in.Venturi nozzle inlet is provided with rotary blade.U-shaped separator is provided with exhanst gas outlet with the connection wall surface side of venturi nozzle and is connected with wet type multi-tube dust cleaner.The baffle venturi nozzle throat that inclination arrangement is provided in exhanst gas outlet is the converging transition and divergent segment of arc-shaped transition, and is most narrow place in the converging transition of arc-shaped transition and divergent segment junction, and most narrow place is provided with spout for spraying into desulfurizing agent.Spout is at least arranged two groups, and every group includes at least a spout, and each spout outlet is provided with nozzle, the central axis of the spray centerline of nozzle towards venturi nozzle.The present invention has many advantages, such as that structure is simple, desulfurization and dedusting excellent effect.
Description
Technical field
The present invention relates to a kind of compound desulfation dust-extraction devices, belong to environmental technology field.
Background technique
Remote districts have inconvenient traffic or waterpower, wind-power electricity generation regional load unstable region, resident living power utility or small-sized
Electricity consumption needs to use small-sized movable electricity generation boiler.The emergency service under such as earthquake case of emergency is also required to movable fast-assembling simultaneously
Boiler.At this point, considering that the supply object of system is that resident living power utility or mini electrical equipment are powered, the power of unit should not be set
It sets too greatly, configuration power supply capacity is usually 500~6000KW.It not only needs repair and maintenance simple, also wants the adaptation of equipment fuel
Property it is wide, can independent biological substance for combustion, can also be with the mixture of biological substance for combustion and coal, can also be individually coal-fired.
At this point, the gas cleaning of these small-sized movable electricity generation boilers needs relatively easy, economic processing mode.
Summary of the invention
The purpose of the present invention is to provide a kind of compound desulfation dust-extraction device, the desulfurization for small-sized movable electricity generation boiler is removed
Dirt.
The present invention is achieved through the following technical solutions:
A kind of compound desulfation dust-extraction device, including sequentially connected dry whirlwind type dust cleaner, venturi desulfurizing dust-collector and wet type
Multi-tube dust cleaner, the dry whirlwind type dust cleaner include gas approach, cyclone cylinder and central tube；The venturi desulfurizing dust-collector
Venturi nozzle including vertical arrangement and the U-shaped separator that its bottom is arranged in, the central tube top is provided with horizontal cigarette
Road is connect with the venturi nozzle；The venturi nozzle inlet is provided with rotary blade；The U-shaped separator with it is described
The connection wall surface side of venturi nozzle is provided with exhanst gas outlet and is connected with the wet type multi-tube dust cleaner；In the exhanst gas outlet
It is provided with the baffle of inclination arrangement, is connect at the top of the baffle with the venturi nozzle bottom wall, and the baffle lower part
Exhanst gas outlet is directed away to roll tiltedly.
In above-mentioned technical proposal, the venturi nozzle includes entrance, throat and outlet section, the throat from top to bottom
Two relative walls including being set as smooth arcwall face, so that throat is the converging transition and divergent segment of arc-shaped transition, and in arc
The converging transition of shape transition and divergent segment junction are most narrow place；The most narrow place of the throat is provided with spout for spraying into desulfurization
Agent, the notch setting is on the outside of the throat.
In above-mentioned technical proposal, the spout is at least arranged two groups, and every group includes at least a spout；Two groups of spouts point
Two relative walls that the throat is in smooth arcwall face are not set, and are set relatively at the most narrow place of the throat；Each
Spout outlet is provided with nozzle, the central axis of the spray centerline of the nozzle towards venturi nozzle.
As the technical solution of one of which optimization, two groups, and three spouts of every group of setting are at least arranged in the spout；Two
Group spout is separately positioned on two relative walls that the throat is in smooth arcwall face, and it is opposite at the most narrow place of the throat and
If；Each spout outlet is provided with nozzle, and the spray centerline of each nozzle is towards the central axis of venturi nozzle.
In above-mentioned technical proposal, the rotary blade includes several rotating vanes being circumferentially uniformly arranged.
In above-mentioned technical proposal, the wet type multi-tube dust cleaner includes several Whirlwind cyclones, and the Whirlwind cyclone is selected corrosion-resistant
Wear-resistant material.
The present invention has the following advantages and beneficial effects: 1) power consumption very little, hence it is evident that adds less than electrostatic or bag filter
The summation of desulfurizing tower；2) structure is simple, easy to maintain, low cost；3) synthesis desulfurating good dedusting effect.
Detailed description of the invention
Fig. 1 is the compound desulfation dust-extraction device schematic diagram of one of embodiment according to the present invention.
Fig. 2 is compound desulfation dust-extraction device rotary blade schematic diagram according to the present invention.
Fig. 3 is compound desulfation dust-extraction device spout according to the present invention and nozzle arrangements schematic diagram
In figure: 1- dry whirlwind type dust cleaner；2- horizontal flue；3- venturi nozzle；4- wet type multi-tube dust cleaner；5-U
Shape separator；6- baffle；11- gas approach；12- cyclone cylinder；13- central tube；31- entrance；32- outlet section；
33- throat；34- rotary blade；35- rotating vane；36- spout；37- nozzle.
Specific embodiment
A specific embodiment of the invention and the course of work are further described with reference to the accompanying drawing.
The positional terms such as the upper, lower, left, right, front and rear in present specification be positional relationship based on the figure and
It establishes.Attached drawing is different, then corresponding positional relationship is also possible to change therewith, therefore cannot be interpreted as with this to protection model
The restriction enclosed.
Present invention is particularly suitable for the desulfurization and dedustings of small-sized movable electricity generation system.
As shown in Figure 1, a kind of compound desulfation dust-extraction device, including sequentially connected dry whirlwind type dust cleaner 1, venturi are de-
Sulphur deduster and wet type multi-tube dust cleaner 4.Dry whirlwind type dust cleaner 1 includes gas approach 11, cyclone cylinder 12 and central tube 13.Text
Desulfurizing dust-collector includes the venturi nozzle 3 of vertical arrangement and the U-shaped separator 5 that its bottom is arranged in mound.Central tube 13 pushes up
Portion is provided with horizontal flue 2 and connect with venturi nozzle 3,
Venturi nozzle 3 from top to bottom include entrance, throat 33 and outlet section 32,
The entrance of venturi nozzle 3 is connect with horizontal flue 2 by connecting tube, is set between connecting tube and entrance 31 for flaring
It sets.Rotary blade 34 is arranged at the flaring of entrance 31.As shown in Fig. 2, rotary blade 34 is circumferentially uniformly set including several
The rotating vane 35 set.The setting of rotary blade 34 makes flue gas, by rotation diffusing, avoid it can when entering venturi nozzle 3
The flue gas short circuit for flinging bottom that can occur.
Throat 33 includes two relative walls for being set as smooth arcwall face.It is different from common Venturi tube, the application
Opposite two wall surfaces of throat 33 of venturi nozzle 3 be that smooth arcwall face is arranged, vertical section and cross section are phase
Pair smooth arcwall face so that throat 33 is the converging transition and divergent segment of arc-shaped transition, opposite arcwall face makes throat 33
Converging transition and divergent segment between there is no a horizontal segment, but the variable cross-section section of smooth transition, as shown in figures 1 and 3.In arc mistake
The converging transition crossed and divergent segment junction are most narrow place；The most narrow place is provided with spout 36 for spraying into desulfurizing agent, and spout 36 is set
It sets in 33 outside of throat.
Spout 36 is at least arranged two groups, and every group includes at least a spout 36.Two groups of spouts are separately positioned on throat 33
In two relative walls of smooth arcwall face, two groups of spouts are opposite at the most narrow place of throat 33 and set.Each 36 outlet end of spout
It is provided with nozzle 37, the central axis of the spray centerline of nozzle 37 towards venturi nozzle 3.
As a kind of prioritization scheme, two groups, and three spouts 36 of every group of setting are at least arranged in spout 36.Two groups of spouts are in larynx
The most narrow place in portion is opposite and sets, and is separately positioned on two relative walls that throat 33 is in smooth arcwall face.Three of every group of spout
Spout 36 can connect in a desulfurizing agent delivery pipe.Six notch settings of two groups of spouts are arranged in same cross section
The sustained height of venturi nozzle 6 shown in Fig. 1.Each 36 outlet end of spout is provided with nozzle 37, the spray of each nozzle 37
Center line is penetrated towards the central axis of venturi nozzle 3.As shown in figure 3, three spouts of every group of spout, the spray positioned at two sides
Mouth is arranged according to by axial symmetry of the center line of intermediate spout.Correspondingly, the nozzle of two sides spout is also with the nozzle of intermediate spout
Center line is axial symmetry setting.The desulfurizing agent that all nozzles eject all collects towards venturi nozzle central axis.The spout
And the setting of nozzle, so that its spouting liquid (in terms of gas liquid ratio) is 3 ~ 5 times of conventional desulfurization technique.
The connection wall surface side of U-shaped separator 5 and venturi nozzle 3 is provided with exhanst gas outlet, by connecting pipe with it is wet
Formula multi-tube dust cleaner 4 is connected.The baffle 6 of inclination arrangement, 6 top of baffle and 3 bottom of venturi nozzle are provided in exhanst gas outlet
Wall surface connection, and 6 lower part side of baffle is directed away from exhanst gas outlet and rolls tiltedly.Ash tube arranged at 5 bottom of U-shaped separator, in ash tube
Water seal.
Wet type multi-tube dust cleaner 4 includes several Whirlwind cyclones, and Whirlwind cyclone selects anticorrosive wear-resistant material.Several Whirlwind cyclones are in simultaneously
Connection formula is arranged inside wet type multi-tube dust cleaner 4.4 bottom of wet type multi-tube dust cleaner is provided with grey bucket, and Whirlwind cyclone separates
Solidliquid mixture pass through grey bucket chopped-off head.Water seal is arranged at grey bucket bottom.
Flue gas to be processed is set to enter dry whirlwind type dust cleaner 1 by gas approach 11, and to lower eddy flow in cyclone cylinder 12
The particulate matter in flue gas is separated with the collision of 12 inner wall of cyclone cylinder, flue gas is turned back upwards after reaching 12 bottom of cyclone cylinder, so that
Particulate matter in flue gas is got off to collect in 12 bottom of cyclone cylinder and is discharged by inertial separation；In flue gas is formed after primary dust removing
Eddy flow enters horizontal flue 2 from central tube 13；
Make the venturi nozzle 3 that venturi desulfurizing dust-collector is entered by the flue gas of primary dust removing, in 3 entrance of venturi nozzle
Place is by 34 switch of rotary blade at rotational flow gas.During from entrance 31 into throat 33, flue gas gas velocity is gradually increased, and
The most narrow place's gas velocity of throat 33 reaches maximum and flue gas pressures are minimum.
Make desulfurizing agent solution from spout 36 spray into 3 throat 33 of venturi nozzle, desulfurizing agent solution by high velocity smoke impact and
High atomisation, and being sufficiently mixed with flue gas makes desulfurizing agent in flue gas reach saturation state.Between small dust in flue gas
And its fierce collision and cohesion occur between desulfurizing agent drop.Subsequent flue gas flows into the reduction of 32 gas velocity of inlet/outlet section, and condensation has
The particle of drop continues to agglomerate perikinetic aggregation into bulky grain, while the SO in flue gas2It reacts with desulfurizing agent.
Make condensation there is the flue gas of bulky grain to enter wet type multitube from exhanst gas outlet as wet flue gas after 6 baffling of baffle to remove
Dirt device 4, in the process, part bulky grain are separated under the retardance of baffle 6 by U-shaped separator 5, and what is separated therewith goes back
There is most of drop.
Make wet flue gas in wet type multi-tube dust cleaner 4 by several Whirlwind cyclones separation further by particulate matter with drop together
Separation.Flue gas after separation is discharged.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of compound desulfation dust-extraction device, which is characterized in that described device includes sequentially connected dry whirlwind type dust cleaner
(1), venturi desulfurizing dust-collector and wet type multi-tube dust cleaner (4), the dry whirlwind type dust cleaner (1) includes gas approach
(11), cyclone cylinder (12) and central tube (13)；The venturi desulfurizing dust-collector include vertical arrangement venturi nozzle (3) and
The U-shaped separator (5) of its bottom is set, horizontal flue (2) are provided at the top of the central tube (13) and the venturi sprays
Manage (3) connection；Venturi nozzle (3) inlet is provided with rotary blade (34)；The U-shaped separator (5) and the text
The connection wall surface side of jet pipe (3) is provided with exhanst gas outlet and is connected with the wet type multi-tube dust cleaner (4) in mound；The flue gas goes out
It is provided with the baffle (6) of inclination arrangement in mouthful, is connect at the top of the baffle (6) with the venturi nozzle (3) bottom wall, and
Baffle (6) lower part is directed away from exhanst gas outlet and rolls tiltedly.
2. a kind of compound desulfation dust-extraction device according to claim 1, which is characterized in that the venturi nozzle (3) is certainly
Upper and lower including entrance (31), throat (33) and outlet section (32), the throat (33) includes being set as smooth arcwall face
Two relative walls, so that throat (33) is the converging transition and divergent segment of arc-shaped transition, and in the converging transition of arc-shaped transition and gradually
Expansion section junction is most narrow place；The most narrow place of the throat (33) is provided with spout (36) for spraying into desulfurizing agent, the spout
(36) setting is on the outside of the throat (33).
3. a kind of compound desulfation dust-extraction device according to claim 2, which is characterized in that the spout (36) is at least arranged
Two groups, and every group includes at least a spout (36)；Two groups of spouts are separately positioned on the throat (33) in smooth arcwall face
Two relative walls, and set relatively at the most narrow place of the throat；Each spout (36) outlet end is provided with nozzle (37), institute
The spray centerline of nozzle (37) is stated towards the central axis of venturi nozzle (3).
4. a kind of compound desulfation dust-extraction device according to claim 3, which is characterized in that the spout (36) is at least arranged
Two groups, and three spouts (36) of every group of setting；Two groups of spouts are separately positioned on two that the throat (33) are in smooth arcwall face
Relative wall, and set relatively at the most narrow place of the throat；Each spout (36) outlet end is provided with nozzle (37), each spray
The spray centerline of mouth (37) is towards the central axis of venturi nozzle (3).
5. a kind of compound desulfation dust-extraction device according to claim 1, which is characterized in that the rotary blade (34) includes
Several rotating vanes (35) being circumferentially uniformly arranged.
6. a kind of compound desulfation dust-extraction device according to claim 1, which is characterized in that the wet type multi-tube dust cleaner
It (4) include several Whirlwind cyclones, the Whirlwind cyclone selects anticorrosive wear-resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811403074.4A CN109200732A (en) | 2018-11-23 | 2018-11-23 | A kind of compound desulfation dust-extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811403074.4A CN109200732A (en) | 2018-11-23 | 2018-11-23 | A kind of compound desulfation dust-extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109200732A true CN109200732A (en) | 2019-01-15 |
Family
ID=64993557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811403074.4A Pending CN109200732A (en) | 2018-11-23 | 2018-11-23 | A kind of compound desulfation dust-extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109200732A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111603891A (en) * | 2019-02-22 | 2020-09-01 | 宝钢新日铁汽车板有限公司 | Flue gas absorption washing system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944539A (en) * | 2016-06-17 | 2016-09-21 | 中国重型机械研究院股份公司 | Venturi type desulfurizing device adopting spray drying method and desulfurizing method of desulfurizing device |
| CN205796998U (en) * | 2016-07-21 | 2016-12-14 | 西安交通大学 | The venturi mixer of rotational flow in a kind of pipe |
| CN206152623U (en) * | 2016-11-03 | 2017-05-10 | 无锡市华星东方电力环保科技有限公司 | Living beings flue gas multi -stage purification processing apparatus |
| CN108514805A (en) * | 2018-05-03 | 2018-09-11 | 闫家义 | Non-concentric variable cross-section GWF devices |
| CN209188411U (en) * | 2018-11-23 | 2019-08-02 | 北京米能科技有限公司 | A kind of compound desulfation dust-extraction device |
-
2018
- 2018-11-23 CN CN201811403074.4A patent/CN109200732A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944539A (en) * | 2016-06-17 | 2016-09-21 | 中国重型机械研究院股份公司 | Venturi type desulfurizing device adopting spray drying method and desulfurizing method of desulfurizing device |
| CN205796998U (en) * | 2016-07-21 | 2016-12-14 | 西安交通大学 | The venturi mixer of rotational flow in a kind of pipe |
| CN206152623U (en) * | 2016-11-03 | 2017-05-10 | 无锡市华星东方电力环保科技有限公司 | Living beings flue gas multi -stage purification processing apparatus |
| CN108514805A (en) * | 2018-05-03 | 2018-09-11 | 闫家义 | Non-concentric variable cross-section GWF devices |
| CN209188411U (en) * | 2018-11-23 | 2019-08-02 | 北京米能科技有限公司 | A kind of compound desulfation dust-extraction device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111603891A (en) * | 2019-02-22 | 2020-09-01 | 宝钢新日铁汽车板有限公司 | Flue gas absorption washing system and method |
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Application publication date: 20190115 |