CN102944023A - Device for collecting condensed fluid on inner cylinder wall of wet chimney - Google Patents
Device for collecting condensed fluid on inner cylinder wall of wet chimney Download PDFInfo
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- CN102944023A CN102944023A CN2012104290220A CN201210429022A CN102944023A CN 102944023 A CN102944023 A CN 102944023A CN 2012104290220 A CN2012104290220 A CN 2012104290220A CN 201210429022 A CN201210429022 A CN 201210429022A CN 102944023 A CN102944023 A CN 102944023A
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Abstract
The invention provides a device for collecting condensed fluid on the inner cylinder wall of a wet chimney. The device is characterized by comprising at least one circle of collection groove on the inner cylinder wall of the chimney, wherein a fixing plate is arranged in the collection groove, and a flow guide tube is arranged at the bottom of the collection groove. Overcoming the disadvantages of the prior art, the device provided by the invention is simple in structure, wide in application scope, low in energy consumption and fault rate, good in use effect, safe, reliable, economical, practical, and easy to implement.
Description
Technical field
The present invention relates to a kind of wet chimney internal cylinder wall condensed fluid collection device, be used for the wet chimney internal cylinder wall condensed fluid collection that the industries such as thermal power generation power plant, chemical industry, metallurgy adopt wet desulfurizing process, belong to the Key Environmental Protection technical field.
Background technology
Wet desulfurization of flue gas by limestone-gypsum method technique is that world is used at most and the most ripe technique, also is the leading technique of domestic thermal power plant desulfurization.The above fired power generating unit of China 300MW surpasses 90% and adopts wet desulfurization of flue gas by limestone-gypsum method (WFGD) technology, the absorption tower exit gas temperature is about 50 ℃ in the Limestone-gypsum Wet Flue Gas Desulfurization Process system, and China's " Coal,steam plant with FGD designing technique rules " (DL/T5196-2004) stipulates " flue-gas temperature of desulfurization after funnel entrance generally should reach discharging more than 80 ℃ under the design conditions ", so early stage WFGD system of installing is basically all supporting flue gas heat-exchange unit (Gas-gas heater, GGH) arranged.But in actual motion, the serious problems such as burn into heat exchange element obstruction can appear in the GGH parts, affect the stable operation of WFGD security of system.In view of " Coal,steam plant with FGD designing technique rules " " have perfect anticorrosion and drainage measure and also can not establish flue gas heat-exchange unit when Technological Economy are more reasonable satisfying environmental requirement and chimney and flue ", so GGH seldom installs in the WFGD system of later stage design, original WFGD system also begins to cancel the GGH device.
In actual moving process, directly during discharged to atmosphere, easily produce " chimney rain " or acid mist sedimentation phenomenon by wet chimney without the saturated clean flue gas of the WFGD system of GGH, bring new environmental issue.
" chimney rain " or the genetic analysis of acid mist sedimentation phenomenon are as follows:
(1) flue gas carries liquid secretly
Former flue gas is through the spraying layer washing, and after the demister demist, from the absorption tower outlet, through connecting flue to the process of chimney top discharging, the drop less than the 50um diameter discharges with smoke gas flow.
(2) condensate liquid of flue gas
Former flue gas is through the spraying layer washing, and after the demister demist, from the absorption tower outlet, through connecting flue to the process of chimney lining top discharge, usually has 0.5～1.0 ℃ temperature drop, thus caused flue gas saturated-condensation produced droplet.
(3) smoke secondary is carried liquid secretly
The drop that the drop of taking away from demister and condensation produce can be assembled at the inner surface of chimney internal cylinder wall.Continuous deposition along with drop, they just can be subject to the downward pulling force of self gravitation, simultaneously, flue gas also can apply one and the unidirectional pulling force of smoke gas flow to liquid, when the power from flue gas reached or exceed the adhesive force of drop self gravitation and inner surface, liquid just can come off from the chimney internal cylinder wall.Then, liquid can reenter or by reentrainment, enter smoke gas flow and be entrained with chimney.
Again the drop of being taken away from the condensate liquid of chimney internal cylinder wall is all larger, and they are the principal elements that cause " chimney rain " or acid mist sedimentation phenomenon usually.
Conventional wet chimney structure is not mostly considered the wet environment of chimney internal cylinder wall meeting dewfall at present, and chimney internal cylinder wall condensed fluid collection device is not set yet.
Summary of the invention
The technical problem to be solved in the present invention provides the wet chimney internal cylinder wall condensed fluid collection device that a kind of energy consumption is low, reliability is high, can effectively collect the condensate liquid of chimney internal cylinder wall, and outside by mozzle discharge chimney, effectively avoid the condensate liquid of chimney internal cylinder wall to be discharged in the atmosphere by the smoke gas flow reentrainment, thereby avoid near the acid mist sedimentation of chimney or the generation of chimney rain phenomenon.
In order to solve the problems of the technologies described above, technical scheme of the present invention provides a kind of wet chimney internal cylinder wall condensed fluid collection device, it is characterized in that: comprise at least one circle feeder of being located on the chimney internal cylinder wall, feeder inside is provided with fixed head, and the feeder bottom is provided with mozzle.
Preferably, described feeder is U-shaped, V-type or ladder type.
Preferably, described feeder is radially vertical with chimney.
Preferably, described feeder and chimney radially are angle α, and the scope of angle α is 0 °≤α≤60 °.
Preferably, described feeder and chimney radially angle α be 15 °.
Preferably, described mozzle caliber is DN32～DN300.
Preferably, described mozzle caliber is DN100.
Preferably, described mozzle is located at described inner wall of stack or is passed described chimney outer wall.
Preferably, described feeder adopts fiberglass reinforced plastics (FRP) or polypropylene plastics (PP) or alloy material; Described fixed head is identical with described feeder material.
Preferably, described mozzle adopts fiberglass reinforced plastics (FRP) or polypropylene plastics (PP) or alloy material.
The zones of different of a kind of wet chimney internal cylinder wall condensed fluid collection device provided by the invention adopts different materials, and the design of each parts, size done rationally to adjust, can effectively collect the condensate liquid of chimney internal cylinder wall, and outside by mozzle discharge chimney, can effectively avoid the condensate liquid of chimney internal cylinder wall to be discharged in the atmosphere by the smoke gas flow reentrainment, greatly reduce the droplet content in the flue gas, thereby effectively avoided near the acid mist sedimentation of chimney or the generation of chimney rain phenomenon.
Compared to existing technology, a kind of wet chimney internal cylinder wall condensed fluid collection device provided by the invention has following beneficial effect:
(1) applied widely: as to can be used for the chimney internal cylinders such as concrete, brick.
(2) energy consumption is low: after inner wall of stack was installed wet chimney internal cylinder wall condensed fluid collection device, wet chimney internal cylinder wall condensed fluid collection device moved without energy requirement, and post bake mode commonly used solves the chimney acid rain problem, and energy consumption is low.
(3) effective: can be fully or solve to a certain extent near the chimney that needs to be resolved hurrily that present desulfuration chimney exists acid mist sedimentation or the generation of chimney rain phenomenon, should can also solve to a certain extent the chimney top ice formation issues by wet chimney internal cylinder wall condensed fluid collection device in addition.
(4) safe and reliable: as because the chimney internal cylinder wall condensed fluid collection device that should wet comes into operation rear safe and reliable without drive apparatus and movable part, substantially to need not maintenance.
Device provided by the invention has overcome the deficiencies in the prior art, and is simple in structure, applied widely, and energy consumption is low, failure rate is low, result of use is good, and is safe and reliable, and economical and practical, be easy to realize.
Description of drawings
Fig. 1 is wet chimney internal cylinder wall condensed fluid collection device schematic diagram (mozzle passes the chimney outer wall) among embodiment 1～embodiment 3;
Fig. 2 is A1-A1 cutaway view among Fig. 1 among embodiment 1～embodiment 3;
Fig. 3 is B1-B1 cutaway view (feeder is U-shaped) among Fig. 2 among the embodiment 1;
Fig. 4 is B1-B1 cutaway view (feeder is ladder type) among Fig. 2 among the embodiment 2;
Fig. 5 is B1-B1 cutaway view (feeder is V-type) among Fig. 2 among the embodiment 3;
Fig. 6 is wet chimney internal cylinder wall condensed fluid collection device schematic diagram (mozzle is positioned at inner wall of stack) among embodiment 4～embodiment 6;
Fig. 7 is A1-A1 cutaway view among Fig. 6 among embodiment 4～embodiment 6;
Fig. 8 is B1-B1 cutaway view (feeder is U-shaped) among Fig. 7 among the embodiment 4;
Fig. 9 is B1-B1 cutaway view (feeder is ladder type) among Fig. 7 among the embodiment 5;
Figure 10 is B1-B1 cutaway view (feeder is V-type) among Fig. 7 among the embodiment 6;
Description of reference numerals
The 1-chimney; The 2-feeder; The 3-mozzle; The 4-fixed head; α, β, γ-feeder and chimney be angle radially; W1-feeder height; W2-feeder width; W3-fixed head height; The W4-fixed head is from the feeder distance from top.
The specific embodiment
For the present invention is become apparent, hereby with six preferred embodiments, and cooperate accompanying drawing to be described in detail below.
Fig. 1 is a kind of wet chimney internal cylinder wall condensed fluid collection device schematic diagram provided by the invention, described a kind of wet chimney internal cylinder wall condensed fluid collection device comprises by riveted joint, welds or be bonded and fixed at least one circle feeder 2 on chimney 1 inner tube wall, and that feeder 2 can be designed to is U-shaped, V-type or ladder type.In conjunction with Fig. 2, fixed head 4 is equipped with in feeder 2 inside, and fixed head 4 can be fixed on feeder 2 on chimney 1 inwall by riveted joint, welding or bonding, and mozzle 3 is equipped with in feeder 2 bottoms.Mainly according to making things convenient for mozzle 3 layouts to walk always to determine, mozzle 3 passes chimney 1 outer wall to the aperture position of mozzle 3 among Fig. 1.
In conjunction with Fig. 3, feeder 2 is radially vertical with chimney 1, and feeder 2 is U-shaped.
Feeder height W1 generally gets 200～600mm, is preferably 300mm; Feeder width W 2 is generally got 50～200mm, is preferably 100mm; Fixed head height W3 generally gets 100～200mm, is preferably 150mm; Fixed head is generally got 10～50mm from feeder distance from top W4, is preferably 30mm.
Fig. 1 is a kind of wet chimney internal cylinder wall condensed fluid collection device schematic diagram provided by the invention, described a kind of wet chimney internal cylinder wall condensed fluid collection device comprises by riveted joint, welds or be bonded and fixed at least one circle feeder 2 on chimney 1 inner tube wall, and that feeder 2 can be designed to is U-shaped, V-type or ladder type.In conjunction with Fig. 2, fixed head 4 is equipped with in feeder 2 inside, and fixed head 4 can be fixed on feeder 2 on chimney 1 inwall by riveted joint, welding or bonding, and mozzle 3 is equipped with in feeder 2 bottoms.Mainly according to making things convenient for mozzle 3 layouts to walk always to determine, mozzle 3 passes chimney 1 outer wall to the aperture position of mozzle 3 among Fig. 1.
In conjunction with Fig. 4, feeder 2 and chimney 1 β radially in a certain angle, the scope of angle β is 30 °≤β≤80 °, is preferably 60 °.Feeder 2 is ladder type.
Feeder height W1 generally gets 200～600mm, is preferably 300mm; Feeder width W 2 is generally got 50～200mm, is preferably 100mm; Fixed head height W3 generally gets 100～200mm, is preferably 150mm; Fixed head is generally got 10～50mm from feeder distance from top W4, is preferably 30mm.
Fig. 1 is a kind of wet chimney internal cylinder wall condensed fluid collection device schematic diagram provided by the invention, described a kind of wet chimney internal cylinder wall condensed fluid collection device comprises by riveted joint, welds or be bonded and fixed at least one circle feeder 2 on chimney 1 inner tube wall, and that feeder 2 can be designed to is U-shaped, V-type or ladder type.In conjunction with Fig. 2, fixed head 4 is equipped with in feeder 2 inside, and fixed head 4 can be fixed on feeder 2 on chimney 1 inwall by riveted joint, welding or bonding, and mozzle 3 is equipped with in feeder 2 bottoms.Mainly according to making things convenient for mozzle 3 layouts to walk always to determine, mozzle 3 passes chimney 1 outer wall to the aperture position of mozzle 3 among Fig. 1.
In conjunction with Fig. 5, feeder 2 and chimney 1 γ radially in a certain angle, the scope of angle γ is 30 °≤γ≤80 °, is preferably 60 °.Feeder 2 is V-type.
Feeder height W1 generally gets 200～600mm, is preferably 300mm; Fixed head height W3 generally gets 100～200mm, is preferably 150mm; Fixed head is generally got 10～50mm from feeder distance from top W4, is preferably 30mm.
Fig. 6 is a kind of wet chimney internal cylinder wall condensed fluid collection device schematic diagram provided by the invention, described a kind of wet chimney internal cylinder wall condensed fluid collection device comprises by riveted joint, welds or be bonded and fixed at least one circle feeder 2 on chimney 1 inner tube wall, and that feeder 2 can be designed to is U-shaped, V-type or ladder type.In conjunction with Fig. 7, fixed head 4 is equipped with in feeder 2 inside, and fixed head 4 can be fixed on feeder 2 on chimney 1 inwall by riveted joint, welding or bonding, and mozzle 3 is equipped with in feeder 2 bottoms.Mainly according to making things convenient for mozzle 3 layouts to walk always to determine, mozzle 3 is positioned at chimney 1 inwall to the aperture position of mozzle 3 among Fig. 6.
In conjunction with Fig. 8, feeder 2 is radially vertical with chimney 1, and feeder 2 is U-shaped.
Feeder height W1 generally gets 200～600mm, is preferably 300mm; Feeder width W 2 is generally got 50～200mm, is preferably 100mm; Fixed head height W3 generally gets 100～200mm, is preferably 150mm; Fixed head is generally got 10～50mm from feeder distance from top W4, is preferably 30mm.
Embodiment 5
Fig. 6 is a kind of wet chimney internal cylinder wall condensed fluid collection device schematic diagram provided by the invention, described a kind of wet chimney internal cylinder wall condensed fluid collection device comprises by riveted joint, welds or be bonded and fixed at least one circle feeder 2 on chimney 1 inner tube wall, and that feeder 2 can be designed to is U-shaped, V-type or ladder type.In conjunction with Fig. 7, fixed head 4 is equipped with in feeder 2 inside, and fixed head 4 can be fixed on feeder 2 on chimney 1 inwall by riveted joint, welding or bonding, and mozzle 3 is equipped with in feeder 2 bottoms.Mainly according to making things convenient for mozzle 3 layouts to walk always to determine, mozzle 3 is positioned at chimney 1 inwall to the aperture position of mozzle 3 among Fig. 6.
In conjunction with Fig. 9, feeder 2 and chimney 1 β radially in a certain angle, the scope of angle β is 30 °≤β≤80 °, is preferably 60 °.Feeder 2 is ladder type.
Feeder height W1 generally gets 200～600mm, is preferably 300mm; Feeder width W 2 is generally got 50～200mm, is preferably 100mm; Fixed head height W3 generally gets 100～200mm, is preferably 150mm; Fixed head is generally got 10～50mm from feeder distance from top W4, is preferably 30mm.
Embodiment 6
Fig. 6 is a kind of wet chimney internal cylinder wall condensed fluid collection device schematic diagram provided by the invention, described a kind of wet chimney internal cylinder wall condensed fluid collection device comprises by riveted joint, welds or be bonded and fixed at least one circle feeder 2 on chimney 1 inner tube wall, and that feeder 2 can be designed to is U-shaped, V-type or ladder type.In conjunction with Fig. 7, fixed head 4 is equipped with in feeder 2 inside, and fixed head 4 can be fixed on feeder 2 on chimney 1 inwall by riveted joint, welding or bonding, and mozzle 3 is equipped with in feeder 2 bottoms.Mainly according to making things convenient for mozzle 3 layouts to walk always to determine, mozzle 3 is positioned at chimney 1 inwall to the aperture position of mozzle 3 among Fig. 6.
In conjunction with Figure 10, feeder 2 and chimney 1 γ radially in a certain angle, the scope of angle γ is 30 °≤γ≤80 °, is preferably 60 °.Feeder 2 is V-type.
Feeder height W1 generally gets 200～600mm, is preferably 300mm; Fixed head height W3 generally gets 100～200mm, is preferably 150mm; Fixed head is generally got 10～50mm from feeder distance from top W4, is preferably 30mm.
Claims (10)
1. wet chimney internal cylinder wall condensed fluid collection device, it is characterized in that: comprise at least one circle feeder (2) of being located on chimney (1) inner tube wall, feeder (2) inside is provided with fixed head (4), and feeder (2) bottom is provided with mozzle (3).
2. a kind of wet chimney internal cylinder wall condensed fluid collection device as claimed in claim 1 is characterized in that: described feeder (2) is U-shaped, V-type or ladder type.
3. a kind of wet chimney internal cylinder wall condensed fluid collection device as claimed in claim 1, it is characterized in that: described feeder (2) is radially vertical with chimney (1).
4. a kind of wet chimney internal cylinder wall condensed fluid collection device as claimed in claim 1 is characterized in that: described feeder (2) radially is angle α with chimney (1), and the scope of angle α is 0 °≤α≤60 °.
5. a kind of wet chimney internal cylinder wall condensed fluid collection device as claimed in claim 4 is characterized in that: described feeder (2) and chimney (1) radially angle α are 15 °.
6. a kind of wet chimney internal cylinder wall condensed fluid collection device as claimed in claim 1, it is characterized in that: described mozzle (3) caliber is DN32～DN300.
7. a kind of wet chimney internal cylinder wall condensed fluid collection device as claimed in claim 6, it is characterized in that: described mozzle (3) caliber is DN100.
8. a kind of wet chimney internal cylinder wall condensed fluid collection device as claimed in claim 1, it is characterized in that: described mozzle (3) is located at described chimney (1) inwall or is passed described chimney (1) outer wall.
9. a kind of wet chimney internal cylinder wall condensed fluid collection device as claimed in claim 1 is characterized in that: described feeder (2) employing fiberglass reinforced plastics (FRP) or polypropylene plastics (PP) or alloy material; Described fixed head (4) is identical with described feeder (2) material.
10. a kind of wet chimney internal cylinder wall condensed fluid collection device as claimed in claim 1 is characterized in that: described mozzle (3) employing fiberglass reinforced plastics (FRP) or polypropylene plastics (PP) or alloy material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104290220A CN102944023A (en) | 2012-10-31 | 2012-10-31 | Device for collecting condensed fluid on inner cylinder wall of wet chimney |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104290220A CN102944023A (en) | 2012-10-31 | 2012-10-31 | Device for collecting condensed fluid on inner cylinder wall of wet chimney |
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| CN2012104290220A Pending CN102944023A (en) | 2012-10-31 | 2012-10-31 | Device for collecting condensed fluid on inner cylinder wall of wet chimney |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388829A (en) * | 2013-07-30 | 2013-11-13 | 上海龙越环保科技有限公司 | Eliminator for gypsum rain or stack rain in wet desulphurization system |
| CN103438470A (en) * | 2013-08-16 | 2013-12-11 | 上海迪夫格环境科技有限公司 | Wet flue gas flue inner wall condensed liquid collecting device |
| CN103453537A (en) * | 2013-08-20 | 2013-12-18 | 上海迪夫格环境科技有限公司 | Device for collecting condensates outside top inner cylinder shell of wet chimney |
| CN103953937A (en) * | 2014-05-15 | 2014-07-30 | 上海迪夫格环境科技有限公司 | Guide vane device at entrance of wet chimney |
| CN104373946A (en) * | 2014-10-28 | 2015-02-25 | 吉林省电力勘测设计院 | Method and device for preventing and melting ice on tube head of single-tube chimney after desulfurization |
| CN104474794A (en) * | 2014-10-14 | 2015-04-01 | 上海迪夫格环境科技有限公司 | Condensate liquid collection device at top end of wet chimney flue gas guide plate |
| CN106122997A (en) * | 2016-08-09 | 2016-11-16 | 北京金汇中电力科技有限公司 | A kind of smoke liquid medium Almightiness type collects exhaust system |
| CN106322413A (en) * | 2015-07-10 | 2017-01-11 | 大唐环境产业集团股份有限公司 | Flue gas condensation and dew formation acid fluid collection device for glass fiber reinforced plastic internal chimney |
| CN106338078A (en) * | 2015-07-10 | 2017-01-18 | 大唐环境产业集团股份有限公司 | Smoke condensed dew acid liquid collecting device for glass fiber reinforced plastic inner chimney |
| CN110314525A (en) * | 2018-03-29 | 2019-10-11 | 中国电力工程顾问集团华北电力设计院有限公司 | The droplet collection device and drop collection system of drop are eliminated after wet desulphurization |
| CN112377935A (en) * | 2020-11-10 | 2021-02-19 | 西安热工研究院有限公司 | Chimney rain prevention and control device capable of reducing secondary carrying of flue gas |
| WO2022262925A3 (en) * | 2021-06-18 | 2023-02-09 | Дмитрий Михайлов | Device for collecting and discharging condensate |
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| CN202938328U (en) * | 2012-10-31 | 2013-05-15 | 上海迪夫格环境科技有限公司 | Collection device for liquor condensate on inner tube wall of wet chimney |
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| JPS5251126A (en) * | 1975-10-22 | 1977-04-23 | Mitsubishi Chem Ind Ltd | Preventive method against the corrosion of the inner-wall of a smokest ack |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388829A (en) * | 2013-07-30 | 2013-11-13 | 上海龙越环保科技有限公司 | Eliminator for gypsum rain or stack rain in wet desulphurization system |
| CN103438470A (en) * | 2013-08-16 | 2013-12-11 | 上海迪夫格环境科技有限公司 | Wet flue gas flue inner wall condensed liquid collecting device |
| CN103438470B (en) * | 2013-08-16 | 2015-08-26 | 上海迪夫格环境科技有限公司 | A kind of wet flue gas flue inner wall condensed fluid collection device |
| CN103453537A (en) * | 2013-08-20 | 2013-12-18 | 上海迪夫格环境科技有限公司 | Device for collecting condensates outside top inner cylinder shell of wet chimney |
| CN103453537B (en) * | 2013-08-20 | 2015-11-18 | 上海迪夫格环境科技有限公司 | Condensed fluid collection device outside the inner tube wall of a kind of Wet chimney top |
| CN103953937B (en) * | 2014-05-15 | 2017-06-16 | 上海迪夫格环境科技有限公司 | A kind of Wet chimney inlet guide vance device |
| CN103953937A (en) * | 2014-05-15 | 2014-07-30 | 上海迪夫格环境科技有限公司 | Guide vane device at entrance of wet chimney |
| CN104474794A (en) * | 2014-10-14 | 2015-04-01 | 上海迪夫格环境科技有限公司 | Condensate liquid collection device at top end of wet chimney flue gas guide plate |
| CN104474794B (en) * | 2014-10-14 | 2016-08-17 | 上海迪夫格环境科技有限公司 | A kind of Wet chimney smoke deflector top condensed fluid collection device |
| CN104373946A (en) * | 2014-10-28 | 2015-02-25 | 吉林省电力勘测设计院 | Method and device for preventing and melting ice on tube head of single-tube chimney after desulfurization |
| CN104373946B (en) * | 2014-10-28 | 2016-09-28 | 吉林省电力勘测设计院 | Cylinder head chemical defence ice method and device after a kind of single-drum chimney desulfurization |
| CN106322413A (en) * | 2015-07-10 | 2017-01-11 | 大唐环境产业集团股份有限公司 | Flue gas condensation and dew formation acid fluid collection device for glass fiber reinforced plastic internal chimney |
| CN106338078A (en) * | 2015-07-10 | 2017-01-18 | 大唐环境产业集团股份有限公司 | Smoke condensed dew acid liquid collecting device for glass fiber reinforced plastic inner chimney |
| CN106122997A (en) * | 2016-08-09 | 2016-11-16 | 北京金汇中电力科技有限公司 | A kind of smoke liquid medium Almightiness type collects exhaust system |
| CN110314525A (en) * | 2018-03-29 | 2019-10-11 | 中国电力工程顾问集团华北电力设计院有限公司 | The droplet collection device and drop collection system of drop are eliminated after wet desulphurization |
| CN112377935A (en) * | 2020-11-10 | 2021-02-19 | 西安热工研究院有限公司 | Chimney rain prevention and control device capable of reducing secondary carrying of flue gas |
| WO2022262925A3 (en) * | 2021-06-18 | 2023-02-09 | Дмитрий Михайлов | Device for collecting and discharging condensate |
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Application publication date: 20130227 |