CN2041767U - Desulfurizotion aspirating washing unit - Google Patents
Desulfurizotion aspirating washing unit Download PDFInfo
- Publication number
- CN2041767U CN2041767U CN 89200381 CN89200381U CN2041767U CN 2041767 U CN2041767 U CN 2041767U CN 89200381 CN89200381 CN 89200381 CN 89200381 U CN89200381 U CN 89200381U CN 2041767 U CN2041767 U CN 2041767U
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- CN
- China
- Prior art keywords
- desulfurization
- section
- dedusting
- aspirating
- eddy flow
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Abstract
The utility model relates to a desulfurization aspirating washing unit which is the desulfurization aspirating equipment used for controlling the pollution of a soot type boiler, comprising an aspirating section and a desulfurising section. A water film aspirating section is connected together with a plate tower absorbing desulfurising section by a gas raising pipe structure. A labyrinth type liquid distributing device which is integrally connected with a gas raising pipe makes the circulating liquid form a uniformly distributed water film structure.
Description
The utility model relates to a kind of desulfurating dust-removing equipment that the coal smoke type boiler pollutes of controlling.
The spray column that external at present advanced desulphurization plant has Japan " Hitachi " company to adopt, tower body is with the steel plate of σ=20 millimeter, material such as lining resin, fiberglass, the void tower air velocity is 2.4 meter per seconds, the tower resistance is 400～500 millimeters of water (4000～5000Pa), gas approach top is provided with two-layer five row's showers, distribution grid is that (material is selected stainless steel for use to the large aperture plate, percent opening is 30%), the demist section adopts two-layer folded sheet, adopts the limestone slurry of 95～98% purity to make circulation fluid in the storage tank.Flue gas enters the circulation fluid cooling of at first accepting in the tower by shower ejection by the bottom, and then fully carries out gas-liquid mass transferring with circulation fluid by big orifice plate, removal sulfur dioxide, and desulfuration efficiency can reach 90%.But this equipment is used for the fuel combustion type boiler, and the dust removal problem of coal smoke type boiler be can't resolve.
Domestic desulfurization and dedusting effect equipment preferably is a gallet water curtain dust collector, and this equipment becomes the garden cylindrical shell with corrosion resistant numb masonry, and the tube inwall is provided with water supply installation.Ash-laden gas enters the cylindrical shell rear screw from tube bottom, garden tangential direction and rises, discharge through tube top, garden, garden tube internal face forms water membrane by water supply installation, and flow from top to bottom, this layer moisture film can adhere to the grit that reaches wall because of centrifugal action, and discharges from the deduster bottom ash discharging hole with grit.This deduster efficiency of dust collection is 90%, and desulfuration efficiency is 20%, and deduster tail gas band water can make the blower fan seriously corroded, and the deduster volume is big, heavy, can not whole Transporting.
The purpose of this utility model provide a kind of can high-efficiency desulfurization again can high-effective dust-removing the equipment of control coal-smoke pollution, but and equipment resistance is little, volume is little, whole Transporting in light weight, also can avoid the blower fan etching problem.
Desulfurization and dedusting washer tower body (7) is a carbon steel, adopts riser (8) that water film dedusting section and plate column absorption desulfurization section are linked together, referring to accompanying drawing 1.Water film dedusting section inwall diabase lining is anticorrosion, its structure comprises riser (8), labyrinth type liquid distributor (9), gas approach (10) and circulation fluid outlet (11), and riser selects for use the carbon steel that is coated with corrosion resistant coating or stainless steel labyrinth type liquid distributor and riser to link into an integrated entity; Plate column absorbs the desulfurization section inwall and is coated with corrosion resistant coating, its structure comprises the demist section and absorbs desulfurization section: the demist section is made up of exhanst gas outlet (1), antisplash ring (2) and demist eddy flow plate (3), demist eddy flow plate is selected plastic material for use, its structure is seen accompanying drawing 2, it is to be made of cylindricality cover (12), blade (13) and blind plate (14), blade upwards warps 22 °～25 °, and the diameter of blind plate is 1/3 of a demist eddy flow board diameter; Absorb desulfurization section and be made up of circulation fluid import (4), liquid distributor (5) and two-layer slant-hole tray (6), column plate is selected carbon steel or the stainless steel that is coated with corrosion resistant coating for use.
The operation principle of desulfurization and dedusting washer: circulation fluid (available clear water or aqueous slkali) enters washer from the circulation fluid import (4) that is positioned at tower body top, arrive labyrinth type liquid distributor (9) through slant-hole tray (6), this device makes circulation fluid form uniform moisture film structure.On the other hand, boiler smoke tangentially enters tower body by the gas approach that is positioned at the tower body bottom (10), and spiral rises, under action of centrifugal force, grit is thrown to the tower wall and is adhered to by moisture film, enter sedimentation basin by circulation fluid outlet (11), in sedimentation basin, join grab bucket and wait mechanical device to reclaim coal dust.More fine dust and the most of sulfur dioxide that is adhered to by moisture film does not enter plate column absorption desulfurization part by riser (8) together in company with flue gas, the effect of slant-hole tray (6) is that solution-air is farthest contacted, under the effect of circulation fluid, remove fine dust and sulfur dioxide, gas after being cleaned carries out demist through demist eddy flow plate (3), is discharged by the gas vent that is positioned at the tower body top (1) then.
The design parameter of the utility model desulfurization and dedusting washer: the ash-laden gas inlet velocity is got 23～30 meter per seconds (common gallet water curtain dust collector gas approach speed is 17 ± 5 meter per seconds); Washer void tower air velocity is 1.5～3.5 meter per seconds (gallet water curtain dust collector void tower air velocity is 4 ± 0.5 meter per seconds); Liquid-gas ratio is 1.5～3 liters/meter
3The blade of demist eddy flow plate upwards warps 22 °～25 °, and the blind plate diameter at eddy flow plate center is 1/3 of an eddy flow board diameter.
Description of drawings: accompanying drawing 1 expression desulfurization and dedusting washer structural representation, 1-gas vent wherein, 2-antisplash ring, 3-demist eddy flow plate, the import of 4-circulation fluid, the 5-liquid distributor, 6-column plate, 7-tower body, the 8-riser, 9-labyrinth type liquid distributor, 10-gas approach, the outlet of 11-circulation fluid.
Accompanying drawing 2 expression demist eddy flow plate structure schematic diagrames, 12-cylindricality cover wherein, 13-blade, 14-blind plate.
Accompanying drawing 3 expression riser structural representations, 8-riser wherein, 9-labyrinth type liquid distributor.
The desulfurization of the utility model Desulfurizotion aspirating washing unit and dust removing effects are all remarkable, do with clear water Be circulation fluid, its desulfuration efficiency reaches more than 60%, uses aqueous slkali as circulation fluid, and its desulfuration efficiency reaches more than 80%. Efficiency of dust collection can reach more than 98%. The resistance of washer is the 2000Pa(200 millimeter of water) about, be significantly less than the resistance of Japanese desulphurization plant. This washer also has Corrosion Protection, and volume is little, in light weight, but whole Transporting. Also solve in addition gallet water curtain dust collector tail gas band water problem, can avoid the blower fan corrosion.
Embodiment.BL-MX desulfurization and dedusting scrubber column body case is A
3Carbon steel, 5992 millimeters of total lengths, 1450 millimeters of diameters, demist eddy flow plate (3) is selected polyvinyl chloride for use, blade (13) has 24, upwards warps 23 °, and slant-hole tray (6) and riser (8) are selected the carbon steel that scribbles the G615 corrosion resistant coating for use, diabase lining is anticorrosion in the water film dedusting section, and plate column absorbs the desulfurization section inwall and scribbles the G615 corrosion resistant coating.The ash-laden gas inlet velocity is 26.25 meter per seconds, and washer void tower air velocity is 1.8 meter per seconds, and liquid-gas ratio is 2 liters/meter
3The circulation fluid that uses is during as clear water, and desulfuration efficiency is 64.34%; When circulation fluid was the aqueous slkali of PH12, desulfuration efficiency was 82.5%; When circulation fluid was the aqueous slkali of PH14, desulfuration efficiency was 88.62%.Efficiency of dust collection is 98.44%.The tower body resistance is the 2300Pa(230mm water column).
Claims (3)
1, a kind of desulfurization and dedusting washer, comprise dedusting section and desulfurization section, it is characterized in that adopting riser that water film dedusting section and plate column absorption desulfurization section are linked together, the labyrinth type liquid distributor that links into an integrated entity with riser makes circulation fluid form uniform moisture film structure.
2, desulfurization and dedusting washer according to claim 1 is characterized in that the ash-laden gas import is positioned at the tangential direction of washer,
The blade of demist eddy flow plate upwards warps 22～25 °, and the blind plate diameter at eddy flow plate center is 1/3 of an eddy flow board diameter.
3, desulfurization and dedusting washer according to claim 1 is characterized in that dedusting section inwall diabase lining, absorbs the desulfurization section inwall and is coated with corrosion resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89200381 CN2041767U (en) | 1989-01-12 | 1989-01-12 | Desulfurizotion aspirating washing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89200381 CN2041767U (en) | 1989-01-12 | 1989-01-12 | Desulfurizotion aspirating washing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2041767U true CN2041767U (en) | 1989-07-26 |
Family
ID=4858481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89200381 Withdrawn CN2041767U (en) | 1989-01-12 | 1989-01-12 | Desulfurizotion aspirating washing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2041767U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502649A (en) * | 2011-09-28 | 2012-06-20 | 陆飞飞 | Heat and mass transfer device with rotational flow boards in process of producing polycrystalline silicon |
| CN103357264A (en) * | 2013-07-23 | 2013-10-23 | 南宁职业技术学院 | Wet-process flue gas desulfurization tower |
| CN105107277A (en) * | 2015-09-16 | 2015-12-02 | 佛山赛因迪环保科技有限公司 | Demister for desulfurization tower |
| CN106422705A (en) * | 2016-11-07 | 2017-02-22 | 大连科林能源工程技术开发有限公司 | Multi-stage fluidized washing and resourceful utilization ultra-low pollutant discharge system for sulfur-containing waste gas |
-
1989
- 1989-01-12 CN CN 89200381 patent/CN2041767U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502649A (en) * | 2011-09-28 | 2012-06-20 | 陆飞飞 | Heat and mass transfer device with rotational flow boards in process of producing polycrystalline silicon |
| CN102502649B (en) * | 2011-09-28 | 2014-05-14 | 陆飞飞 | Heat and mass transfer device with rotational flow boards in process of producing polycrystalline silicon |
| CN103357264A (en) * | 2013-07-23 | 2013-10-23 | 南宁职业技术学院 | Wet-process flue gas desulfurization tower |
| CN103357264B (en) * | 2013-07-23 | 2015-12-09 | 南宁职业技术学院 | A kind of wet flue gas desulfurization tower |
| CN105107277A (en) * | 2015-09-16 | 2015-12-02 | 佛山赛因迪环保科技有限公司 | Demister for desulfurization tower |
| CN106422705A (en) * | 2016-11-07 | 2017-02-22 | 大连科林能源工程技术开发有限公司 | Multi-stage fluidized washing and resourceful utilization ultra-low pollutant discharge system for sulfur-containing waste gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |