CN107930322A - A kind of furnace flue gas desulfurization dust-removal system and method - Google Patents
A kind of furnace flue gas desulfurization dust-removal system and method Download PDFInfo
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- CN107930322A CN107930322A CN201711223021.XA CN201711223021A CN107930322A CN 107930322 A CN107930322 A CN 107930322A CN 201711223021 A CN201711223021 A CN 201711223021A CN 107930322 A CN107930322 A CN 107930322A
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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
- B01D50/40—Combinations of devices covered by groups B01D45/00 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
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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
- B01D53/74—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
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- 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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- 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
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- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a kind of furnace flue gas desulfurization dust-removal system, including liquid storage tank, liquid storage tank is connected with circulation pipe, the entrance of circulation pipe is provided with immersible pump, exhaust pipe is provided with the top of liquid storage tank, cyclone dust collectors are installed in exhaust pipe, frame is fixed with the circulation pipe, impeller is connected with frame, impeller includes mandrel and several blades being fixed on the outside of mandrel, mandrel surface is provided with blind hole, the cavity being connected with blind hole is provided with blade, the liquid level of meeting of blade is provided with the first through hole being connected with cavity, open tubular column is connected with by bearing in blind hole, flue gas gas collecting tube is connected through circulation pipe with open tubular column；Pedestal is fixed with first through hole, pedestal top connects crown cap by the first spring body, and first through hole madial wall is provided with circular slanting face, top cap and circular slanting face selective exposure, the second through hole is provided with pedestal.The present invention can improve the deficiencies in the prior art, improve the treatment effeciency of flue gas.
Description
Technical field
The present invention relates to a kind of flue gas processing device, especially a kind of furnace flue gas desulfurization dust-removal system and method.
Background technology
Furnace flue gas contains a large amount of acidic materials and dust, if directly discharged, serious pollution can be caused to air.Stove
After the flue gas of kiln will be handled by desulfurization and dedusting, could outwards it discharge.Chinese invention patent CN104857799B discloses one kind
Desulfurizing dust-collector, by the position of reasonably optimizing desulfurization nozzle and cooling nozzle, improves fume treatment effect.It is but this kind of
Spraying type processing unit is all there are treatment fluid and the problem of smoke contacts limited area, if being passed directly into processing using by flue gas
Liquid holds the mode in pond, since flue gas is spread more slowly in a liquid, causes absorption efficiency lower.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of furnace flue gas desulfurization dust-removal system and method, can solve existing
There is the deficiency of technology, improve the treatment effeciency of flue gas.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of furnace flue gas desulfurization dust-removal system, including liquid storage tank, liquid storage tank are connected with circulation pipe, the entrance of circulation pipe
Immersible pump is provided with, exhaust pipe is provided with the top of liquid storage tank, cyclone dust collectors are installed in exhaust pipe, are consolidated in the circulation pipe
Surely there is frame, impeller is connected with frame, impeller includes mandrel and several blades being fixed on the outside of mandrel, and mandrel surface is set
Blind hole is equipped with, the cavity being connected with blind hole is provided with blade, the liquid level of meeting of blade is provided with first to be connected with cavity
Through hole, is connected with open tubular column in blind hole, flue gas gas collecting tube is connected through circulation pipe with open tubular column by bearing；It is solid in first through hole
Surely there is pedestal, pedestal top connects crown cap by the first spring body, and first through hole madial wall is provided with circular slanting face, top cap
With circular slanting face selective exposure, the second through hole is provided with pedestal.
Preferably, being provided with spiral stream guidance groove on the first through hole inner wall, the first wire is fixed with the top of top cap
Stratum reticulare.
Preferably, the top edge of the first through hole is provided with several third through-holes, it is connected with third through-hole
Hairbrush, hairbrush bottom are provided with impeller, several gaps are provided with the top of third through-hole.
Preferably, being provided with baffle plate in the circulation pipe, baffle plate is located at blade back of the body liquid level side, consolidates on baffle plate
Surely have several triangular prisms, the side of triangular prism is provided with fourth hole, triangular prism bottom surface set it is fluted, fourth hole with it is recessed
Groove is connected.
Preferably, it is staggeredly equipped with baffle in the groove.
Preferably, the cyclone dust collectors include shell and install the revolving vane in shell, the inner wall of shell is fixed
There is the second oven wire mesh blanket, revolving vane end installation having heaters, heater outside is fixed with outer cover, outer cover and the second metal
Silk screen layer is interference fitted.
A kind of method of above-mentioned furnace flue gas desulfurization dust-removal system, comprises the following steps：
A, the injection absorption suspension into liquid storage tank, absorption suspension include,
Following component is parts by weight,
25~30 parts of calcium hydroxide, 2~3 parts of triethylene glycol, 1~2 part of 2,5- methyl dihydroxy benzoates, 10~
15 parts of ethanol, 100~150 parts of water；
B, immersible pump is opened, absorption suspension is circulated in circulation pipe；
C, flue gas is passed through into circulation pipe by flue gas gas collecting tube, using adsorb suspension to the sour gas in flue gas into
Row absorption；
D, gas enters cyclone dust collectors by exhaust pipe and carries out dedusting after adsorbing suspension adsorption treatment；
E, it is discharged into air by the gas of desulfurization and dedusting.
It is using beneficial effect caused by above-mentioned technical proposal：The structure of present invention desulphurization plant improved first,
Traditional means of sprinkling treatment fluid have been abandoned, desulfurization process is carried out using flue gas is passed through in treatment fluid.In order to overcome flue gas
The problem of flue gas lacks with treatment fluid contact area in treatment fluid is passed directly into, there is provided blade wheel structure, and it is right that flue gas is introduced impeller
After sprayed, using in treatment fluid flow process to impeller carry out rotation driving, realize flue gas in treatment fluid uniformly point
Cloth.Flue gas is sprayed by the gap of top cap and circular slanting face, extensive to the impact force of top cap and the first spring body elasticity in flue gas
Under the balance of multiple power, top cap opens certain circulation runner under the promotion of flue gas, realizes the ejection of flue gas.Top cap position with
The size of flue gas flow synchronously changes, and when flue gas flow reduces, top cap declines, and reduces flow area, when flue gas flow increase
Top cap rises, and increases flow area, so as to ensure flow velocity substantially constant when flue gas sprays.Spiral stream guidance groove in first through hole
It can make flue gas that the flow tendency that rotation sprays be presented, the first oven wire mesh blanket at the top of top cap can pushed up when flue gas sprays
Crown portion forms a gas-liquid mixed region, improves dispersed homogeneous degree of the flue gas in absorption suspension.It is arranged on first through hole
The hairbrush at top can be swept as the flowing of liquid carries out brush to the periphery of first through hole, avoid first through hole periphery from precipitating
Thing attachment accumulation.In order to further improve dispersion degree of the flue gas in absorption suspension, the present invention is set in blade back of the body liquid level side
Baffle plate is counted, the turbulent flow formed by fluid on triangular prism, realization further improves flue gas and mixed with absorption suspension
The purpose of evenness.
Cyclone dust collectors used in the present invention are due to close liquid storage tank, so its interior humidity is larger, easily in inner wall
Form caking phenomenon.Cyclone dust collectors inner wall is generally used in the prior art and installs vibration or heating unit additional, is realized to knot
The processing of block.But this device one is complicated, if larger using the method power consumption that large area heats.This
Invention is directed to this problem, the second oven wire mesh blanket is set in cyclone dust collectors inner wall, since the second oven wire mesh blanket is hole knot
Structure, dust can not form the caking layer of densification on its surface, utilize outer cover and the contact squeeze of the second oven wire mesh blanket, realization pair
The attrition crushing of caking layer.At the same time using the heater installed in revolving vane end, the second oven wire mesh blanket is carried out local
Heating, using the thermal conductivity of metal mesh, realizes the heat drying of the second woven wire layer surface.
Since the present invention is without using spray equipment, without considering spray apertures blockage problem, it is possible to directly using absorption
Better calcium hydroxide absorption suspension.By adding 2,5-dihydroxybenzoic acid methyl esters and triethylene glycol, can improve
The combination effect of undissolved calcium hydroxide particle and flue gas in suspension, and then improve desulfurization effect.At the same time, can be with
Seizure effect of the suspension for particulate matter in flue gas is improved, so as to reduce the live load of cyclone dust collectors.
Brief description of the drawings
Fig. 1 is the structure chart of an embodiment of the invention.
Fig. 2 is the structure chart of impeller in an embodiment of the invention.
Fig. 3 is the structure chart of first through hole in an embodiment of the invention.
Fig. 4 is the structure chart of baffle plate in an embodiment of the invention.
Fig. 5 is the structure chart of cyclone dust collectors in an embodiment of the invention.
In figure：1st, liquid storage tank；2nd, circulation pipe；3rd, immersible pump；4th, exhaust pipe；5th, cyclone dust collectors；6th, frame；7th, impeller；
8th, mandrel；9th, blade；10th, blind hole；11st, cavity；12nd, first through hole；13rd, bearing；14th, open tubular column；15th, flue gas gas collecting tube；16、
Pedestal；17th, the first spring body；18th, top cap；19th, circular slanting face；20th, the second through hole；21st, spiral stream guidance groove；22nd, the first gold medal
Belong to silk screen layer；23rd, third through-hole；24th, hairbrush；25th, impeller；26th, gap；27th, baffle plate；28th, triangular prism；29th, fourth hole；
30th, groove；31st, baffle；32nd, shell；33rd, revolving vane；34th, the second oven wire mesh blanket；35th, heater；36th, outer cover；37th, lead
Chute.
Embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and attached drawing
Record can carry out customized, and the specific connection mode of each part is using bolt ripe in the prior art, rivet, weldering
The conventional means such as connect, paste, this will not be detailed here.
With reference to Fig. 1-5, an embodiment of the invention includes liquid storage tank 1, and liquid storage tank 1 is connected with circulation pipe 2, circulation
The entrance of pipe 2 is provided with immersible pump 3, and the top of liquid storage tank 1 is provided with exhaust pipe 4, cyclone dust collectors are provided with exhaust pipe 4
5, frame 6 is fixed with the circulation pipe 2, impeller 7 is connected with frame 6, and impeller 7 includes mandrel 8 and is fixed on the outside of mandrel 8
Several blades 9,8 surface of mandrel is provided with blind hole 10, the cavity 11 being connected with blind hole 10, blade 9 is provided with blade 9
Liquid level of meeting be provided with the first through hole 12 being connected with cavity 11, open tubular column 14, cigarette are connected with by bearing 13 in blind hole 10
Gas gas collecting tube 15 is connected through circulation pipe 2 with open tubular column 14；It is fixed with pedestal 16 in first through hole 12, the top of pedestal 16 passes through the
One spring body 17 connects crown cap 18, and 12 madial wall of first through hole is provided with circular slanting face 19, top cap 18 and circular slanting face
19 selective exposures, are provided with the second through hole 20 on pedestal 16.Spiral stream guidance groove 21, top cap are provided with 12 inner wall of first through hole
18 tops are fixed with the first oven wire mesh blanket 22.The top edge of first through hole 12 is provided with several third through-holes 23, and the 3rd
Hairbrush 24 is connected with through hole 23,24 bottom of hairbrush is provided with impeller 25, and the top of third through-hole 23 is provided with several gaps
26.Baffle plate 27 is provided with circulation pipe 2, baffle plate 27 is located at blade 9 and carries on the back liquid level side, several are fixed with baffle plate 27
Triangular prism 28, the side of triangular prism 28 are provided with fourth hole 29, and 28 bottom surface of triangular prism sets fluted 30, fourth hole 29 with
Groove 30 is connected.Baffle 31 is staggeredly equipped with groove 30.Cyclone dust collectors 5 include shell 32 and install the rotation in shell 32
Turn blade 33, the inner wall of shell 32 is fixed with the second oven wire mesh blanket 34,33 end of revolving vane installation having heaters 35, heating
The outside of device 35 is fixed with outer cover 36, and outer cover 36 is interference fitted with the second oven wire mesh blanket 34.
In addition, the diversion trench 37 being connected with the first oven wire mesh blanket 22 is provided with the top of circular slanting face 19.Liquid
Body can realize the flow tendency from 22 bottom of the first oven wire mesh blanket to top by diversion trench 37, exist with 9 surface of blade
The parallel liquid flow tendency with blade 9 mutually cross, further increase gas and liquid in the first oven wire mesh blanket 22
The effect being mutually mixed.
Embodiment 1
A kind of method of above-mentioned furnace flue gas desulfurization dust-removal system, comprises the following steps：
A, the injection absorption suspension into liquid storage tank 1, absorption suspension include,
Following component is parts by weight,
30 parts of calcium hydroxide, 2 parts of triethylene glycol, 1 part of 2,5- methyl dihydroxy benzoates, 12 parts of ethanol, 120
The water of part；
B, immersible pump 3 is opened, absorption suspension is circulated in circulation pipe 2；
C, flue gas is passed through into circulation pipe 2 by flue gas gas collecting tube 15, using adsorbing suspension to the sour gas in flue gas
Body is adsorbed；
D, gas enters cyclone dust collectors 5 by exhaust pipe 4 and carries out dedusting after adsorbing suspension adsorption treatment；
E, it is discharged into air by the gas of desulfurization and dedusting.
Embodiment 2
A kind of method of above-mentioned furnace flue gas desulfurization dust-removal system, comprises the following steps：
A, the injection absorption suspension into liquid storage tank 1, absorption suspension include,
Following component is parts by weight,
30 parts of calcium hydroxide, 2 parts of triethylene glycol, 1 part of 2,5- methyl dihydroxy benzoates, 12 parts of ethanol, 3 parts
Sodium metasilicate, 120 parts of water；
B, immersible pump 3 is opened, absorption suspension is circulated in circulation pipe 2；
C, flue gas is passed through into circulation pipe 2 by flue gas gas collecting tube 15, using adsorbing suspension to the sour gas in flue gas
Body is adsorbed；
D, gas enters cyclone dust collectors 5 by exhaust pipe 4 and carries out dedusting after adsorbing suspension adsorption treatment；
E, it is discharged into air by the gas of desulfurization and dedusting.
The present embodiment can improve adsorption efficiency of the absorption suspension for dust by adding sodium metasilicate
The present invention can effectively improve the efficiency of desulfurization and dedusting, and the experimental result of both examples above is as follows：
| Desulfurization degree (%) | Dust removal efficiency (%) | |
| Embodiment 1 | 99.1 | 99.5 |
| Embodiment 2 | 99.2 | 99.9 |
In the description of the present invention, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention, rather than the device or element of instruction or hint meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of furnace flue gas desulfurization dust-removal system, including liquid storage tank (1), liquid storage tank (1) are connected with circulation pipe (2), circulation pipe
(2) entrance is provided with immersible pump (3), and exhaust pipe (4) is provided with the top of liquid storage tank (1), rotation is provided with exhaust pipe (4)
Wind deduster (5), it is characterised in that：Frame (6) is fixed with the circulation pipe (2), impeller (7), leaf are connected with frame (6)
Wheel (7) includes mandrel (8) and several blades (9) being fixed on the outside of mandrel (8), and mandrel (8) surface is provided with blind hole (10),
It is provided with the cavity (11) being connected with blind hole (10) in blade (9), the liquid level of meeting of blade (9) is provided with and is connected with cavity (11)
Logical first through hole (12), is connected with open tubular column (14) in blind hole (10) by bearing (13), and flue gas gas collecting tube (15) is through following
Endless tube (2) is connected with open tubular column (14)；Pedestal (16) is fixed with first through hole (12), passes through the first spring at the top of pedestal (16)
Body (17) connection crown cap (18), first through hole (12) madial wall are provided with circular slanting face (19), top cap (18) and circular slanting
Facial (19) selective exposure, is provided with the second through hole (20) on pedestal (16).
2. furnace flue gas desulfurization dust-removal system according to claim 1, it is characterised in that：First through hole (12) inner wall
On be provided with spiral stream guidance groove (21), be fixed with the first oven wire mesh blanket (22) at the top of top cap (18).
3. furnace flue gas desulfurization dust-removal system according to claim 2, it is characterised in that：The top of the first through hole (12)
Portion edge is provided with several third through-holes (23), and hairbrush (24) is connected with third through-hole (23), and hairbrush (24) bottom is set
There is impeller (25), several gaps (26) are provided with the top of third through-hole (23).
4. furnace flue gas desulfurization dust-removal system according to claim 1, it is characterised in that：Set in the circulation pipe (2)
There is baffle plate (27), baffle plate (27) is located at blade (9) back of the body liquid level side, and baffle plate is fixed with several triangular prisms on (27)
(28), the side of triangular prism (28) is provided with fourth hole (29), and triangular prism (28) bottom surface sets fluted (30), fourth hole
(29) it is connected with groove (30).
5. furnace flue gas desulfurization dust-removal system according to claim 4, it is characterised in that：Staggeredly set in the groove (30)
It is equipped with baffle (31).
6. furnace flue gas desulfurization dust-removal system according to claim 1, it is characterised in that：Cyclone dust collectors (5) bag
Include shell (32) and the revolving vane (33) in shell (32) is installed, the inner wall of shell (32) is fixed with the second oven wire mesh blanket
(34), revolving vane (33) end installation having heaters (35), is fixed with outer cover (36) on the outside of heater (35), outer cover (36) with
Second oven wire mesh blanket (34) is interference fitted.
A kind of 7. method of the furnace flue gas desulfurization dust-removal system described in claim 1-6 any one, it is characterised in that including
Following steps：
A, the injection absorption suspension into liquid storage tank (1), absorption suspension include,
Following component is parts by weight,
25~30 parts of calcium hydroxide, 2~3 parts of triethylene glycol, 1~2 part of 2,5- methyl dihydroxy benzoates, 10~15 parts
Ethanol, 100~150 parts of water；
B, immersible pump (3) is opened, absorption suspension is circulated in circulation pipe (2)；
C, by flue gas gas collecting tube (15) to being passed through flue gas in circulation pipe (2), using adsorbing suspension to the sour gas in flue gas
Body is adsorbed；
D, gas enters cyclone dust collectors (5) by exhaust pipe (4) and carries out dedusting after adsorbing suspension adsorption treatment；
E, it is discharged into air by the gas of desulfurization and dedusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223021.XA CN107930322A (en) | 2017-11-29 | 2017-11-29 | A kind of furnace flue gas desulfurization dust-removal system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223021.XA CN107930322A (en) | 2017-11-29 | 2017-11-29 | A kind of furnace flue gas desulfurization dust-removal system and method |
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| Publication Number | Publication Date |
|---|---|
| CN107930322A true CN107930322A (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711223021.XA Pending CN107930322A (en) | 2017-11-29 | 2017-11-29 | A kind of furnace flue gas desulfurization dust-removal system and method |
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|---|---|---|---|---|
| CN2373165Y (en) * | 1999-05-11 | 2000-04-12 | 张恒学 | Induced air type dust-removing desulfurizing device |
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| CN201049271Y (en) * | 2007-04-18 | 2008-04-23 | 蓝章满 | Turning type smoke and dust filtering device |
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| CN102451610A (en) * | 2010-10-15 | 2012-05-16 | 中国石油化工股份有限公司 | Treatment method for nitrogen oxide tail gas discharged from industrial production furnace, and apparatus thereof |
| CN202460859U (en) * | 2012-03-05 | 2012-10-03 | 沃晓枫 | High strength cyclone dust collector |
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| CN206045776U (en) * | 2016-08-31 | 2017-03-29 | 中国大唐集团科学技术研究院有限公司西北分公司 | It is a kind of to hold liquid layer device for automatically adjusting for desulfurizing tower |
| CN106925054A (en) * | 2017-03-31 | 2017-07-07 | 郑州中绿环保新材料有限公司 | Gas purge system |
| CN206508778U (en) * | 2016-12-09 | 2017-09-22 | 蚌埠市中喜机电设备有限公司 | A kind of current stabilization flue gas desulfurization device of multi-absorption |
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2017
- 2017-11-29 CN CN201711223021.XA patent/CN107930322A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2373165Y (en) * | 1999-05-11 | 2000-04-12 | 张恒学 | Induced air type dust-removing desulfurizing device |
| CN2405121Y (en) * | 1999-12-30 | 2000-11-08 | 张同会 | High efficiency energy-saving dust-remover for air purification |
| WO2003067045A1 (en) * | 2002-02-07 | 2003-08-14 | Yukio Toyama | Exhaust emission control system |
| CN2558437Y (en) * | 2002-06-06 | 2003-07-02 | 罗建民 | Impact-flow integral flue gas desulfurizing, denitrogenation and dust-removing device |
| CN101229478A (en) * | 2007-01-22 | 2008-07-30 | 宝山钢铁股份有限公司 | Gas outburst spinning dive desulfurization dust cleaning apparatus |
| CN201049271Y (en) * | 2007-04-18 | 2008-04-23 | 蓝章满 | Turning type smoke and dust filtering device |
| CN102451610A (en) * | 2010-10-15 | 2012-05-16 | 中国石油化工股份有限公司 | Treatment method for nitrogen oxide tail gas discharged from industrial production furnace, and apparatus thereof |
| CN202460859U (en) * | 2012-03-05 | 2012-10-03 | 沃晓枫 | High strength cyclone dust collector |
| CN105597460A (en) * | 2015-12-15 | 2016-05-25 | 美的集团股份有限公司 | Filtration liquid tank for dust removal equipment and dust removal equipment with filtration liquid tank |
| CN206045776U (en) * | 2016-08-31 | 2017-03-29 | 中国大唐集团科学技术研究院有限公司西北分公司 | It is a kind of to hold liquid layer device for automatically adjusting for desulfurizing tower |
| CN206508778U (en) * | 2016-12-09 | 2017-09-22 | 蚌埠市中喜机电设备有限公司 | A kind of current stabilization flue gas desulfurization device of multi-absorption |
| CN106925054A (en) * | 2017-03-31 | 2017-07-07 | 郑州中绿环保新材料有限公司 | Gas purge system |
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Application publication date: 20180420 |