CN104857830A - Flue gas desulfurization device - Google Patents
Flue gas desulfurization device Download PDFInfo
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- CN104857830A CN104857830A CN201510261084.9A CN201510261084A CN104857830A CN 104857830 A CN104857830 A CN 104857830A CN 201510261084 A CN201510261084 A CN 201510261084A CN 104857830 A CN104857830 A CN 104857830A
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- flue gas
- dividing plate
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Abstract
The invention relates to a flue gas desulfurization device. The flue gas desulfurization device comprises a casing (1), a gas inlet pipe (3), a gas outlet pipe (11), overflow tanks (6), overflow plates (7), liquid replenishing pipes (5), rotating separating plates (8), buoys (9), rotating beams (10), a liquid inlet pipe (16), a liquid outlet pipe (17), a liquid inlet pipe control valve (18), a liquid outlet pipe control valve (19), rotating separating plate contacts (20), overflow plate contacts (21), a demister (12), fan blades (15), a motor (23) and a controller (22), wherein the rotating separating plates rotate by the aid of buoyancy of an absorption liquid through the buoys at lower parts of the rotating separating plates, so that distances between the rotating separating plates and the overflow plates are adjusted, and the flue gas circulation processing quantity is adjusted; the efficiency of purification of sulfur dioxide in gas can be improved.
Description
Technical field
The present invention relates to a kind of flue gas desulfur device.
Background technology
Coal-burning boiler is when burning; in coal, contained various organic and inorganic sulfur is converted to the oxysulfide based on sulfur dioxide; the sulfur dioxide water entered in air in air is combined and forms acid rain; not only above ground structure and crops are produced and have a strong impact on; also have infringement to the health of people, therefore flue gas desulfurization is the pith of environmental protection.
The main mode of flue gas desulfurization is wet desulphurization, utilizes the slurries such as lime stone as washing agent, washs in reaction tower to flue gas, thus absorbs the sulfur dioxide in flue gas.But existing flue gas desulfur device generally has complex structure, manufacturing cost is high, desulfurized effect is undesirable problem.
Summary of the invention
Object of the present invention is just to provide a kind of wet desulphurization device to solve the problem.
In order to achieve the above object, present invention employs following technical scheme:
Wet flue gas desulfurizer of the present invention comprises housing, air inlet pipe, escape pipe, overflow launder, overflow plate, liquid supplementation pipe, rotation dividing plate, floating drum, cant beam, feed tube, drain pipe, feed tube control valve, drain pipe control valve, rotates dividing plate contact, overflow plate contact, demister, fan blade, motor, controller, wherein air inlet pipe is entered by the upper end of housing side, air inlet pipe is to downward-extension, liquid level is pressed close in the air inlet pipe outlet of air inlet pipe lower end, in housing, top is provided with multiple overflow launder, multiple overflow launder is set up in parallel, overflow launder is provided with liquid supplementation pipe, liquid supplementation pipe is connected with lower housing portion with liquid pump by pipeline, the return side being positioned at overflow launder below each overflow launder is connected with overflow plate, overflow plate is along the vertical direction of housing to downward-extension, each overflow plate is provided with rotation dividing plate near escape pipe side, rotate dividing plate to rotate around a cant beam, rotate dividing plate top and have a kink, kink effectively can guide the flowing of flue gas, the prolong smoke time of staying, improve clean-up effect.Rotate the lower partition and be connected with floating drum, floating drum floats on liquid level, the material of rotating dividing plate and floating drum is polytetrafluoroethylene (PTFE), rotate between the kink of dividing plate and overflow plate and there is flow of flue gas path, the bottom of overflow plate also has flow of flue gas path with rotating between dividing plate, escape pipe is positioned at the opposite side of housing, liquid level is pressed close in escape pipe import, escape pipe upwards extends through housing, escape pipe outlet is provided with fan blade, fan blade is rotated by driven by motor, housing central section is provided with feed tube, housing bottom is inclined ramp, tilted to escape pipe direction by air inlet pipe direction, housing bottom is positioned at escape pipe side and is close to housing bottom and is provided with drain pipe, controller is with feed tube control valve, drain pipe control valve, rotate dividing plate contact, overflow plate contact is connected.
Further, escape pipe import department is provided with liquid barrier.
Further, demister is arranged near escape pipe outlet side in escape pipe, below fan blade.
Further, absorbing liquid can be ammoniacal liquor, the lime stone aqueous solution, sodium hydrate aqueous solution etc.
Beneficial effect of the present invention is:
1, rotate the floating drum that the lower partition is rotated in dividing plate dependence, the buoyancy by absorbing liquid realizes rotating, thus regulates rotation dividing plate with the interval between overflow plate, and then regulates flue gas circulation treating capacity.
2, control supplementing of absorbing liquid and discharge by controller, realize automation and regulate.
3, liquid level is pressed close in air inlet pipe outlet and escape pipe import, is conducive to the further removal of sulfur dioxide in flue gas and other impurity.
4, the housing bottom tilted is conducive to the smooth discharge of absorbing liquid, rotates dividing plate and adopts polytetrafluoroethylene (PTFE) material corrosion resistance.
Accompanying drawing explanation
Fig. 1 is side sectional view of the present invention.
Fig. 2 is the front view of rotation dividing plate of the present invention.
In figure, 1-housing, the import of 2-air inlet pipe, 3-air inlet pipe, 4-air inlet pipe exports, 5-liquid supplementation pipe, 6-overflow launder, 7-overflow plate, 8-rotates dividing plate, 9-floating drum, 10-cant beam, 11-escape pipe, 12-demister, the import of 13-escape pipe, 14-liquid barrier, 15-fan blade, 16-feed tube, 17-drain pipe, 18-feed tube control valve, 19-drain pipe control valve, 20-rotates dividing plate contact, 21-overflow plate contact, 22-controller, 23-motor, 24-through hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, flue gas desulfur device of the present invention comprises housing 1, air inlet pipe 3, escape pipe 11, overflow launder 6, overflow plate 7, liquid supplementation pipe 5, rotates dividing plate 8, floating drum 9, cant beam 10, feed tube 16, drain pipe 17, feed tube control valve 18, drain pipe control valve 19, rotation dividing plate contact 20, overflow plate contact 21, demister 12, fan blade 15, motor 23, controller 22.Wherein air inlet pipe 3 is entered by the upper end of housing 1 side, air inlet pipe 3 is to downward-extension, liquid level is pressed close in the air inlet pipe outlet 4 of air inlet pipe 3 lower end, absorbing liquid is sodium hydroxide solution, in housing, top is provided with multiple overflow launder 6, multiple overflow launder 6 is set up in parallel, overflow launder 6 is provided with liquid supplementation pipe 5, liquid supplementation pipe 5 is connected with housing 1 bottom with liquid pump by pipeline, the return side being positioned at overflow launder below each overflow launder 6 is connected with overflow plate 7, overflow plate 7 is along the vertical direction of housing to downward-extension, each overflow plate 7 is provided with near escape pipe 11 side and rotates dividing plate 8, rotate dividing plate 8 to rotate around a cant beam 10, rotate dividing plate 8 top and have a kink, rotate the lower partition and be connected with floating drum 9, floating drum 9 floats on liquid level, the material of rotating dividing plate and floating drum is polytetrafluoroethylene (PTFE), rotate between the kink of dividing plate 8 and overflow plate 7 and there is flow of flue gas path, the bottom of overflow plate 7 also has flow of flue gas path with rotating between dividing plate 8, escape pipe 11 is positioned at the opposite side of housing, liquid level is pressed close in escape pipe import 13, escape pipe 11 upwards extends through housing, escape pipe outlet is provided with fan blade 15, fan blade 15 drives rotation by motor 23, feed tube 16 is provided with in the middle part of housing 1, housing bottom is inclined ramp, tilted to escape pipe 11 direction by air inlet pipe 3 direction, housing bottom is positioned at escape pipe 11 side and is close to housing bottom and is provided with drain pipe 17, housing bottom can install oxygen channel to pass into oxygen, inferior sulfate radical is oxidized to sulfate radical.Controller 22 is connected with feed tube control valve 18, drain pipe control valve 19, rotation dividing plate contact 20, overflow plate contact 21.
Flue gas is entered by air inlet pipe import 2, flows downward along air inlet pipe.Liquid level is pressed close in air inlet pipe outlet, and flue gas, from air inlet pipe outlet ejection, sprays to liquid level, and flue gas carries out first time contact with liquid level, and the harmful substances such as sulfur dioxide in flue gas are absorbed by liquid absorption.The bottom of flue gas flow direction overflow plate is with the flow of flue gas path rotated between dividing plate subsequently, and liquid supplementation pipe constantly pours into absorbing liquid in overflow launder, the absorbing liquid that overflow launder constantly overflows flows out from the return side of overflow launder, flow downward along overflow plate and leave overflow plate in the bottom of overflow plate, form absorbing liquid curtain, flue gas, by this absorbing liquid curtain, is further purified.Flue gas flows through the smoke flow channels between kink and overflow plate of rotating dividing plate subsequently, flows to the bottom of next overflow plate with the flow of flue gas path rotated between dividing plate.Multiple overflow launder arranged side by side, overflow plate, rotation dividing plate constitute continuous print, tortuous flue gas distribution channel.Flue gas reaches discharge standard through the purification of multiple absorbing liquid curtain.
Flue gas flows downward and enters escape pipe import after leaving the smoke flow channels between last kink rotating dividing plate and overflow plate.Liquid level is pressed close in escape pipe import, and under the effect of suction of giving vent to anger, absorbing liquid is inhaled into escape pipe import, strikes on liquid barrier 14 subsequently, and under the effect of liquid barrier, then the inwall that liquid strikes escape pipe flows out escape pipe.The process sucked and clash into creates multiple tracks absorbing liquid curtain and absorbing liquid mist, and flue gas obtains further purification through this absorbing liquid curtain and absorbing liquid mist.Flue gas after purification removes moisture by demister 12, leaves escape pipe discharge under the drive of fan blade 15.
In running, if need the treating capacity regulating flue gas, absorbing liquid can be added in desulfurizer, the liquid level risen promotes floating drum and moves upward, and then the bottom of overflow plate diminishes with the flow of flue gas path rotated between dividing plate, because the bottom of overflow plate arranged side by side has all diminished, so can control the amount of flow of flue gas with the flow of flue gas path rotated between dividing plate.On the contrary, if need the circulation increasing flue gas, drain pipe can be controlled and discharge appropriate absorbing liquid, thus increase the cross-sectional area of flow of flue gas path.
In addition, the height of liquid level can also be controlled by controller, when liquid level is too high, floating drum drives rotation dividing plate to move upward, and when moving to a certain degree, rotates the overflow plate contact 21 that dividing plate can strike overflow plate bottom, after controller receives this touching information, control drain pipe control valve 19 to open, discharge liquid, thus reduce liquid level.When liquid disappearance or when discharging too much, floating drum drives rotation dividing plate to move downward, when moving to a certain degree, the rotation dividing plate contact 20 of kink can touch on overflow plate, after controller receives this touching information, control feed tube control valve 18 to open, fluid infusion in desulfurizer, thus improve liquid level.
As can see from Figure 2, rotate on dividing plate and have a through hole 24, cant beam 10 passes from through hole 24, rotates dividing plate with cant beam 10 for axle realizes rotating.Floating drum 9 is closed barrels, for providing the power rotated needed for dividing plate rotation.
Because housing bottom tilts, the sweetening substance therefore generated and the solid impurity of absorption can move, by periodic exhaustion with removal of contamination to drain pipe position under gravity.Because liquid level is pressed close in the outlet of air inlet pipe, the impact of the flue gas also impurity that can promote in liquid moves downward along inclined-plane, promotes the removing of impurity.
Although describe technical scheme of the present invention in conjunction with specific embodiments above, but the present invention is not limited to this embodiment, when not changing principle of the present invention and instruction, those skilled in the art can make multiple remodeling and modification within the scope of the invention.
Claims (3)
1. a flue gas desulfur device, comprises housing (1), air inlet pipe (3), escape pipe (11), overflow launder (6), overflow plate (7), liquid supplementation pipe (5), rotates dividing plate (8), floating drum (9), cant beam (10), feed tube (16), drain pipe (17), feed tube control valve (18), drain pipe control valve (19), rotation dividing plate contact (20), overflow plate contact (21), demister (12), fan blade (15), motor (23), controller (22), it is characterized in that, air inlet pipe (3) enters housing by the upper end of housing (1) side, air inlet pipe (3) is to downward-extension, air inlet pipe outlet (4) of air inlet pipe (3) lower end presses close to liquid level, in housing, top is provided with multiple overflow launder (6), multiple overflow launder (6) is set up in parallel, overflow launder (6) is provided with liquid supplementation pipe (5), liquid supplementation pipe (5) is connected by the same housing of pipeline and liquid pump (1) bottom, the return side that each overflow launder (6) below is positioned at overflow launder is connected with overflow plate (7), overflow plate (7) is along the vertical direction of housing to downward-extension, each overflow plate (7) is provided with near the direction of escape pipe (11) side and rotates dividing plate (8), rotate dividing plate (8) to rotate around a cant beam (10), rotate dividing plate (8) top and have a kink, rotate the lower partition and be connected with floating drum (9), floating drum (9) floats on liquid level, the material of rotating dividing plate and floating drum is polytetrafluoroethylene (PTFE), rotate between the kink of dividing plate (8) and overflow plate (7) and there is flow of flue gas path, the bottom of overflow plate (7) also has flow of flue gas path with rotating between dividing plate (8), escape pipe (11) is positioned at the opposite side of housing, liquid level is pressed close in escape pipe import (13), escape pipe (11) upwards extends through housing, escape pipe outlet is provided with fan blade (15), fan blade (15) is driven by motor (23) and rotates, housing (1) middle part is provided with feed tube (16), housing bottom is inclined ramp, tilted towards escape pipe (11) direction by air inlet pipe (3) direction, housing bottom is positioned at escape pipe (11) side and is close to housing bottom and is provided with drain pipe (17), housing bottom is sulfur dioxide absorbing liquid, controller (22) is with feed tube control valve (18), drain pipe control valve (19), rotate dividing plate contact (20), overflow plate contact (21) is connected.
2. flue gas desulfur device according to claim 1, also comprises demister 12, and demister 12 is arranged near escape pipe outlet side in escape pipe, the below of fan blade.
3. flue gas desulfur device according to claim 1, escape pipe import department is provided with liquid barrier 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261084.9A CN104857830B (en) | 2015-05-20 | 2015-05-20 | A kind of flue gas desulfurization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261084.9A CN104857830B (en) | 2015-05-20 | 2015-05-20 | A kind of flue gas desulfurization device |
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| Publication Number | Publication Date |
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| CN104857830A true CN104857830A (en) | 2015-08-26 |
| CN104857830B CN104857830B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510261084.9A Expired - Fee Related CN104857830B (en) | 2015-05-20 | 2015-05-20 | A kind of flue gas desulfurization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439117A (en) * | 2016-09-21 | 2017-02-22 | 中国化学工程第六建设有限公司 | Method for controlling opening and closing of desulfuration smoke |
Citations (6)
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|---|---|---|---|---|
| CN1196001A (en) * | 1995-09-07 | 1998-10-14 | 奥地利能源及环境Sgp/瓦格纳-比罗有限公司 | Process and device for scrubbing acidic gas by wet method |
| EP0879632B1 (en) * | 1997-05-23 | 2003-09-24 | Mitsubishi Heavy Industries, Ltd. | Gas-liquid contact apparatus |
| CN101130154A (en) * | 2007-08-14 | 2008-02-27 | 湖南大学 | Pneumatic stirring, injecting, bubbling, desulfurizing and dust removing absorption tower |
| CN101983752A (en) * | 2010-07-27 | 2011-03-09 | 无锡市灵龙机械设备有限公司 | Automatic water compensation device |
| CN202052466U (en) * | 2010-11-27 | 2011-11-30 | 赵艳萍 | Gas filtering device |
| WO2013143788A1 (en) * | 2012-03-29 | 2013-10-03 | Doosan Lentjes Gmbh | A flue gas purification device |
-
2015
- 2015-05-20 CN CN201510261084.9A patent/CN104857830B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1196001A (en) * | 1995-09-07 | 1998-10-14 | 奥地利能源及环境Sgp/瓦格纳-比罗有限公司 | Process and device for scrubbing acidic gas by wet method |
| EP0879632B1 (en) * | 1997-05-23 | 2003-09-24 | Mitsubishi Heavy Industries, Ltd. | Gas-liquid contact apparatus |
| CN101130154A (en) * | 2007-08-14 | 2008-02-27 | 湖南大学 | Pneumatic stirring, injecting, bubbling, desulfurizing and dust removing absorption tower |
| CN101983752A (en) * | 2010-07-27 | 2011-03-09 | 无锡市灵龙机械设备有限公司 | Automatic water compensation device |
| CN202052466U (en) * | 2010-11-27 | 2011-11-30 | 赵艳萍 | Gas filtering device |
| WO2013143788A1 (en) * | 2012-03-29 | 2013-10-03 | Doosan Lentjes Gmbh | A flue gas purification device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439117A (en) * | 2016-09-21 | 2017-02-22 | 中国化学工程第六建设有限公司 | Method for controlling opening and closing of desulfuration smoke |
| CN106439117B (en) * | 2016-09-21 | 2019-03-12 | 中国化学工程第六建设有限公司 | The method for controlling desulfurization fume opening and closing |
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| Publication number | Publication date |
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| CN104857830B (en) | 2016-09-14 |
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Granted publication date: 20160914 |