CN107654682A - A kind of desulfuration baffle door - Google Patents
A kind of desulfuration baffle door Download PDFInfo
- Publication number
- CN107654682A CN107654682A CN201711045719.7A CN201711045719A CN107654682A CN 107654682 A CN107654682 A CN 107654682A CN 201711045719 A CN201711045719 A CN 201711045719A CN 107654682 A CN107654682 A CN 107654682A
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- valve plate
- axle
- guide wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000000741 silica gel Substances 0.000 claims abstract description 5
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 230000009467 reduction Effects 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 230000023556 desulfurization Effects 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of desulfuration baffle door, including valve body, valve plate and unclamp clamp system, the mechanism that walks up and down is installed on the outside of the valve body, the valve body side is provided with release clamp system, and the valve inner is provided with valve plate, sealing ring is provided with the valve plate, silica gel strip is installed on sealing ring, the valve body epicoele is provided with front and rear guide wheel, is provided with valve body and seals on the valve body epicoele, and the valve plate both sides are provided with the first or so guide wheel and second or so guide wheel.Inventive desulfurization baffle door, by the structure design to tappet gear, external bearings, movable valve plate, to change motion trend, it is stuck to prevent that valve shaft from being adhered to by medium, it is ensured that valve motion is steady, sealed reliable under working environment mal-condition.
Description
Technical field
The present invention relates to baffle door technical field, specially a kind of desulfuration baffle door.
Background technology
In today of industrialization high development, people need a bright day.But thermal power industry and metallurgy
Industry, the gas of substantial amounts of sulfur-bearing is discharged in flue, it forms acid rain, and serious pollution is caused to atmosphere.Flue gas takes off
Sulphur unit can be handled the sulfurous gas in flue, still, once after the unit breaks down, the flue gas in flue obtains
Leakage is produced less than processing, what is discharged is still the toxic gas to pollute the atmosphere.
And existing baffle door valve shaft is easily adhered to stuck by medium, valve motion is unstable, and sealing is unreliable.
The content of the invention
It is an object of the invention to provide a kind of desulfuration baffle door, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of desulfuration baffle door, including valve body, valve plate and
Clamp system is unclamped, the mechanism that walks up and down is installed on the outside of the valve body, the valve body side is provided with release clamp system, institute
State valve inner and valve plate is installed, sealing ring is installed on the valve plate, silica gel strip, the valve body epicoele are installed on sealing ring
Front and rear guide wheel is installed, is provided with valve body and seals on the valve body epicoele, the valve plate both sides are provided with the first or so guide wheel
With the second or so guide wheel, the mechanism that walks up and down is by the first electric device, turbine reduction box, casing, roller and steel wire rope group
It is arranged on into, first electric device on turbine reduction box, the turbine reduction box is arranged on body side, in the casing
Roller is installed, axle is fixed with by key on the roller, bearing, axle and turbine reduction box are installed between the casing and axle
Between by key connection, be wound with steel wire rope on the roller, the steel wire rope is connected by guide wheel with valve plate, and guide wheel is arranged on and led
On wheel carrier, the casing and wheel frame are each attached on framework, it is described release clamp system by the second electric device, support, on
Axle and cam mechanism composition, second electric device are fixed on support, and the support is fixedly welded on valve body side, described
Power transmission shaft is provided with second electric device, sliding bearing is installed on power transmission shaft, the first swing arm is installed on the power transmission shaft,
First swing arm is connected by first connecting rod with the second swing arm, and second connecting rod and third connecting rod, institute are connected with the second swing arm
State axle and pass through key connection with swing arm set, UC bearings are installed on the upper axle, pass through bolt between the UC bearings and valve body
Fixed, by gland and packing seal between the UC bearings and valve body, the upper axle penetrates valve inner, the upper axle
On cam mechanism is installed, connected between the upper axle and lower axle by connecting tube.
Preferably, key connection is passed through between the upper axle and cam mechanism.
Preferably, it is bolted between the worm gear reducer and casing.
Preferably, the valve plate is arranged to blind plate, and sealing surface of valve plate material is 316L.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention unclamps clamp system and uses worm-drive, passes through
Linkage, feed screw nut pair, which reaches to be synchronized with the movement, realizes that the release of valve clamps, and stable action is synchronous, sealed reliable.Limp
Mechanism is used and moved up and down, reasonable utilization space；Denso drives worm gear reducer axle, roller to rotate, and valve is realized by steel wire rope
Plate moves up and down.Simple in construction, stable movement, self-locking performance is good.Desulfuration baffle door is under working environment mal-condition, by valve
The structure design of door drive mechanism, external bearings, movable valve plate, to change motion trend, it is stuck to prevent that valve shaft from being adhered to by medium,
It can ensure that valve motion is steady, sealed reliable.
Brief description of the drawings
Fig. 1 is the front view of the present invention.
Fig. 2 is the side view of the present invention.
Fig. 3 is the top view of the present invention.
Fig. 4 is the structural representation of the mechanism of the invention that walks up and down.
Fig. 5 is the front view that the present invention unclamps clamp system.
Fig. 6 is the top view that the present invention unclamps clamp system.
Fig. 7 is the side view that the present invention unclamps clamp system.
Fig. 8 is the front view of valve body of the present invention.
Fig. 9 is the side view of valve body of the present invention.
Figure 10 is the top view of valve body of the present invention.
Figure 11 is the front view of valve plate of the present invention.
Figure 12 is the side view of valve plate of the present invention.
In figure：1- walks up and down mechanism；2- valve bodies；3- valve plates；4- unclamps clamp system；Guide wheel before and after 5-；On 6- valve bodies
Sealing；7- sealing rings；8- silica gel strips；The guide wheels of 9- first or so；The guide wheels of 10- second or so；101- frameworks；102- wheel frames；
103- guide wheels；104- steel wire ropes；The electric devices of 105- first；106- rollers；107- casings；108- bearings；109- axles；110- whirlpools
Take turns reduction box；The electric devices of 401- second；402- power transmission shafts；403- sliding bearings；404- supports；405- swing arm sets；406-UC
Bearing；407- glands；408- fillers；409- cam mechanisms；The upper axles of 410-；411- connecting tubes；412- lower axles；413- first
Swing arm；414- first connecting rods；The swing arms of 415- second；416- second connecting rods；417- third connecting rods.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-7 are referred to, the present invention provides a kind of technical scheme：A kind of desulfuration baffle door, including valve body 2, valve plate 3 and pine
Clamp system 4 is driven, the outside of valve body 2 is provided with the mechanism 1 that walks up and down, and the side of valve body 2, which is provided with, unclamps clamp system 4, in valve body 2
Portion is provided with valve plate 3, and sealing ring 7 is provided with valve plate 3, and silica gel strip 8 is provided with sealing ring 7, and the epicoele of valve body 2 is provided with front and rear
Guide wheel 5, the Anterior-Posterior of valve plate 3 is controlled, be provided with the epicoele of valve body 2 on valve body and seal 6, control medium outflow；3 liang of valve plate
Side is provided with the guide wheel 10 of the first or so guide wheel 9 and second or so, controls the left and right free degree of valve plate 3, and the mechanism that walks up and down 1 is by the
One electric device 105, turbine reduction box 110, casing 107, roller 106 and steel wire rope 104 are formed, and the first electric device 105 is pacified
On turbine reduction box 110, turbine reduction box 110 is arranged on the side of casing 107, and roller 106 is provided with casing 107, rolling
Axle 109 is fixed with by key on wheel 106, bearing 108, axle 109 and turbine reduction box 110 are installed between casing 107 and axle 109
Between by key connection, be wound with steel wire rope 104 on roller 106, steel wire rope 104 is connected by guide wheel 103 with valve plate 3, guide wheel 103
On wheel frame 102, casing 107 and wheel frame 102 are each attached on framework 101, because of heavy caliber valve plate weight, worm gear reducer
Draw box mechanism can be with self-locking, and electric device drives worm gear reducer axle, roller to rotate, and realizes that valve plate moves up and down by steel wire rope,
Simple in construction, stable movement, self-locking performance is good, unclamps clamp system 4 by the second electric device 401, support 404, upper axle 410 and convex
Wheel mechanism 409 is formed, and the second electric device 401 is fixed on support 404, and support 404 is fixedly welded on the side of valve body 2, and second
Power transmission shaft 402 is provided with electric device 401, sliding bearing 403 is installed on power transmission shaft 402, is provided with power transmission shaft 402
One swing arm 413, the first swing arm 413 are connected by first connecting rod 414 with the second swing arm 415, and second is connected with the second swing arm 415
Connecting rod 416 and third connecting rod 417, upper axle 410 and swing arm set 405 are provided with UC bearings 406, UC by key connection on upper axle 410
It is bolted between bearing 406 and valve body 2, it is close by gland 407 and filler 408 between UC bearings 406 and valve body 2
Envelope, is tightened with bolt by gland, filler and valve seal, upper axle 410 is penetrated inside valve body 2, be provided with upper axle 410
Cam mechanism 409, connected by connecting tube 411 between upper axle 410 and lower axle 412, led between upper axle 410 and cam mechanism 409
Key connection is crossed, the second electric device drives cam set to promote valve plate to unclamp by drive axis swing arm by linkage
Clamp, synchronism is good, sealed reliable, stable movement, is bolted between worm gear reducer 110 and casing 107, valve plate 3
Blind plate is arranged to, the seal face materials of valve plate 3 are 316L.
Operation principle：Unclamp clamp system 4 and use worm-drive, worm gear reducer 101 can be with self-locking, the first electric device
105 drive worm gear reducer axles, roller 106 rotate, and realize that valve plate 3 moves up and down by steel wire rope 104, the second electric device
401 rotate swing arm by power transmission shaft 402, drive cam mechanism 409 to promote valve plate 3 to make release by linkage and clamp, screw mandrel
Pair of nut, which reaches to be synchronized with the movement, realizes that the release of valve clamps.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of desulfuration baffle door, including valve body (2), valve plate (3) and release clamp system (4), it is characterised in that：The valve body
(2) outside is provided with the mechanism that walks up and down (1), and valve body (2) side, which is provided with, unclamps clamp system (4), the valve body (2)
Inside is provided with valve plate (3), and sealing ring (7) is provided with the valve plate (3), silica gel strip (8), institute are provided with sealing ring (7)
State valve body (2) epicoele and front and rear guide wheel (5) is installed, sealing (6), the valve plate on valve body are installed on valve body (2) epicoele
(3) both sides are provided with the first or so guide wheel (9) and second or so guide wheels (10), and the mechanism that walks up and down (1) is electronic by first
Device (105), turbine reduction box (110), casing (107), roller (106) and steel wire rope (104) composition, the first electronic dress
(105) are put on turbine reduction box (110), the turbine reduction box (110) is arranged on casing (107) side, the case
Roller (106) is installed in body (107), axle (109), the casing (107) and axle are fixed with by key on the roller (106)
(109) bearing (108) is installed between, passes through key connection, the roller (106) between axle (109) and turbine reduction box (110)
On be wound with steel wire rope (104), the steel wire rope (104) is connected by guide wheel (103) with valve plate (3), guide wheel (103) be arranged on lead
On wheel carrier (102), the casing (107) and wheel frame (102) are each attached on framework (101), the release clamp system (4)
It is made up of the second electric device (401), support (404), upper axle (410) and cam mechanism (409), second electric device
(401) it is fixed on support (404), the support (404) is fixedly welded on valve body (2) side, second electric device
(401) power transmission shaft (402) is provided with, sliding bearing (403) is installed on power transmission shaft (402), pacified on the power transmission shaft (402)
Equipped with the first swing arm (413), first swing arm (413) is connected by first connecting rod (414) with the second swing arm (415), and second
Second connecting rod (416) and third connecting rod (417) are connected with swing arm (415), the upper axle (410) passes through with swing arm set (405)
Key connection, UC bearings (406) are installed on the upper axle (410), pass through bolt between the UC bearings (406) and valve body (2)
It is fixed, sealed between the UC bearings (406) and valve body (2) by gland (407) and filler (408), the upper axle
(410) it is internal to penetrate valve body (2), cam mechanism (409), the upper axle (410) and lower axle are installed on the upper axle (410)
(412) connected between by connecting tube (411).
A kind of 2. desulfuration baffle door according to claim 1, it is characterised in that：The upper axle (410) and cam mechanism
(409) key connection is passed through between.
A kind of 3. desulfuration baffle door according to claim 1, it is characterised in that：The worm gear reducer (110) and casing
(107) it is bolted between.
A kind of 4. desulfuration baffle door according to claim 1, it is characterised in that：The valve plate (3) is arranged to blind plate, valve plate
(3) seal face materials are 316L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045719.7A CN107654682B (en) | 2017-10-31 | 2017-10-31 | Desulfurization baffle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711045719.7A CN107654682B (en) | 2017-10-31 | 2017-10-31 | Desulfurization baffle door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107654682A true CN107654682A (en) | 2018-02-02 |
| CN107654682B CN107654682B (en) | 2023-06-23 |
Family
ID=61096147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711045719.7A Active CN107654682B (en) | 2017-10-31 | 2017-10-31 | Desulfurization baffle door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107654682B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662180A (en) * | 2018-05-29 | 2018-10-16 | 湖北工业大学 | A kind of environmental protection baffle board door of flue |
| CN114233920A (en) * | 2021-11-16 | 2022-03-25 | 上海梅山工业民用工程设计研究院有限公司 | Accident rapid emergency valve device for coke oven flue gas desulfurization and denitrification system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2660253Y (en) * | 2003-12-20 | 2004-12-01 | 江苏神通阀门有限公司 | Glasses valve with closed link drive |
| CN2746215Y (en) * | 2004-12-09 | 2005-12-14 | 秦皇岛冶金机械有限公司 | Three-rod cut-off butterfly valve |
| CN201025308Y (en) * | 2007-03-07 | 2008-02-20 | 李红伟 | Valve plate positioning butterfly valve |
| CN201802893U (en) * | 2010-09-25 | 2011-04-20 | 王应齐 | Gate valve/blind valve |
| CN201827386U (en) * | 2010-07-25 | 2011-05-11 | 刘颖 | Connecting rod type sealing valve |
| CN104455519A (en) * | 2014-09-26 | 2015-03-25 | 南京圣诺热管有限公司 | Gate valve and machining method thereof |
| JP2015215009A (en) * | 2014-05-08 | 2015-12-03 | Smc株式会社 | Gate valve |
-
2017
- 2017-10-31 CN CN201711045719.7A patent/CN107654682B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2660253Y (en) * | 2003-12-20 | 2004-12-01 | 江苏神通阀门有限公司 | Glasses valve with closed link drive |
| CN2746215Y (en) * | 2004-12-09 | 2005-12-14 | 秦皇岛冶金机械有限公司 | Three-rod cut-off butterfly valve |
| CN201025308Y (en) * | 2007-03-07 | 2008-02-20 | 李红伟 | Valve plate positioning butterfly valve |
| CN201827386U (en) * | 2010-07-25 | 2011-05-11 | 刘颖 | Connecting rod type sealing valve |
| CN201802893U (en) * | 2010-09-25 | 2011-04-20 | 王应齐 | Gate valve/blind valve |
| JP2015215009A (en) * | 2014-05-08 | 2015-12-03 | Smc株式会社 | Gate valve |
| CN104455519A (en) * | 2014-09-26 | 2015-03-25 | 南京圣诺热管有限公司 | Gate valve and machining method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662180A (en) * | 2018-05-29 | 2018-10-16 | 湖北工业大学 | A kind of environmental protection baffle board door of flue |
| CN108662180B (en) * | 2018-05-29 | 2019-03-22 | 湖北工业大学 | A kind of environmental protection baffle board door of flue |
| CN114233920A (en) * | 2021-11-16 | 2022-03-25 | 上海梅山工业民用工程设计研究院有限公司 | Accident rapid emergency valve device for coke oven flue gas desulfurization and denitrification system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107654682B (en) | 2023-06-23 |
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