CN101406801B - Parallel combination structure of pneumatic desulfuration unit - Google Patents
Parallel combination structure of pneumatic desulfuration unit Download PDFInfo
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- CN101406801B CN101406801B CN 200710175792 CN200710175792A CN101406801B CN 101406801 B CN101406801 B CN 101406801B CN 200710175792 CN200710175792 CN 200710175792 CN 200710175792 A CN200710175792 A CN 200710175792A CN 101406801 B CN101406801 B CN 101406801B
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Abstract
The invention provides a pneumatic desulfurization unit parallel composite structure which is used for a boiler end gas processing device. The pneumatic desulfurization unit parallel composite structure comprises an upper closing plate and a lower closing plate with openings; the openings are arranged evenly at equal intervals; and pneumatic desulfurization units comprising conical covers are arranged in the corresponding openings on the upper and lower closing plates. The pneumatic desulfurization unit parallel composite structure is a part used for gas-liquid mixing and creates a high flow rate area in a thionizer for the relative movement of a gas phase and a liquid phase, and the high flow rate area is also the main mass transfer zone of the pneumatic thionizer. By an aerodynamic technical method and optimum design means, the pneumatic desulfurization unit parallel composite structure organically combines the high-speed high-strength gas-liquid mixing and the sufficient gas-liquid separation in a tower body, so the pneumatic desulfurization unit parallel composite structure has the advantages of optimum efficiency resistance ratio of high efficiency and low resistance, the spraying amount reduction, and remarkable energy-saving effect.
Description
Technical field
The present invention relates to a kind of device that is used to handle various Industrial Boilers, station boiler, various kiln, industrial tail gas, particularly a kind of parallel combination structure of pneumatic desulfuration unit that is used for smoke-gas wet desulfurization device (desulfurizing tower).
Background technology
At present; The device of various Industrial Boilers, station boiler, various kiln, industrial tail gas all adopts coal to make fuel; Be higher than 1% coal and coal-fired dustiness height because China is coal-fired most of for sulfur content; Flue dust that discharged from coal-fired boiler is a large amount of and sulfur dioxide are seriously polluting atmospheric environment, handle so must pass through desulfurization and dedusting.The domestic existing desulfur technology exists that gas-liquid blending weak effect, dust removal efficiency are low, the defective of the dirty poor performance of resistive connection; As will reach and meet the national regulation waste gas emission standard, water consumption can be very big, and promptly WGR is big; Equipment volume is huge; Exist the load of dust remove of upstream device of blending section overweight, the water balance difficulty is shorter with the continuous cycle of operation of system, increases the cost of operation and maintenance.In addition, states such as the Europe of foreign technology prosperity, U.S.A, day, its technology maturation all is interior home the completion, exists the problem that not exclusively adapts to for the high national conditions of China's boiler fired coal dust content, technology can not adopting by equation outside the native land.
For understanding the problems referred to above; The inventor has applied for that simultaneously a key name is called the patent of invention of " Pneumatic desulfuration unit "; This unit can be with the waste gas that has dust and pernicious gas via Pneumatic desulfuration unit; Form the liquid grain superposed layer of one section dynamic stability, finally reach the absorption of waste gas harmful components, the capture of dust and the purposes such as cooling of gas.But this unit can not directly be applied in the smoke-gas wet desulfurization device, and it must pass through reasonable structural design and just can be employed.Therefore need set about from design principle, design best, and can directly apply to the parts of desulfurizer.
Summary of the invention
The objective of the invention is defective, a kind of core component that can directly apply to the smoke-gas wet desulfurization device---parallel combination structure of pneumatic desulfuration unit is provided to above-mentioned prior art.Its effect is: 1) be used for the parts that gas flow space is cut apart in the desulfurizing tower, desulfurizing tower is divided into gas flow bottom gas collection pressure equalising space and top buffering pressure equalising space; 2) be the parts that are used for gas-liquid blending; Purpose is in desulfurizing tower, to bring up the High Velocity Area of the relative motion of a gas phase and liquid phase; It also is the main mass-transfer zone of desulfurizing tower; Through aerodynamic technical method and optimal design means, fully separating of high speed, high strength blending and gas-liquid of gas-liquid organically is combined within the desulfurization tower body; Thereby have efficient height, optimum efficiency resistance ratios that resistance is little, can reduce spray flux, finally reach the purpose of practicing thrift a large amount of electric energy and water resource.
The technical scheme taked of the present invention is to achieve these goals: a kind of parallel combination structure of pneumatic desulfuration unit; Comprise the upper sealing plate and following shrouding that are provided with perforate; It is uniformly-spaced evenly distributed that perforate is, and is provided with the Pneumatic desulfuration unit that contains the awl cover up and down in the corresponding perforate of shrouding.Said parallel combination structure of pneumatic desulfuration unit is that the Pneumatic desulfuration unit that diameter is identical or different is arranged in parallel in an orderly manner on same plane, constitutes the structure member of handling different exhaust gas volumns; The installation site of these parts is in the middle part of desulfurizing tower, flue gas and desulfurizing agent flow to same Pneumatic desulfuration unit, the Pneumatic desulfuration unit on the parts that the flue gas that promptly moves upward and the desulfurizing agent that flows downward must be flowed through and flow to zone separately; Making up the diameter of number and the Pneumatic desulfuration unit of required Pneumatic desulfuration unit confirms according to what, desulfuration efficiency and resistance of the exhaust gas volumn of required processing.
The percent opening of said upper and lower shrouding is 15～50% of a desulfurizing tower sectional area.
Said upper sealing plate top is provided with netted dividing plate.
Said up and down shrouding be a kind of in circular, square, rectangle or the ellipse, and specifically shape is determined by working condition.
The invention has the beneficial effects as follows: the present invention can directly apply to smoke-gas wet desulfurization device (desulfurizing tower); And can in desulfurizing tower, bring up the High Velocity Area of the relative motion of a gas phase and liquid phase; Organically be combined within the tower body fully the separating of high speed, high strength blending and gas-liquid of gas-liquid; Have efficient height, optimum efficiency resistance ratios that resistance is little, reduced spray flux, remarkable energy saving effect is arranged.
Description of drawings
Fig. 1 is the overall structure sketch map of embodiment one according to the invention;
Fig. 2 is the overall structure sketch map of embodiment two according to the invention.
Among the figure: 1 upper sealing plate, 2 times shroudings, 3 Pneumatic desulfuration units, 4 dividing plates.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further, but not as to qualification of the present invention.
Like Fig. 1, a kind of parallel combination structure of pneumatic desulfuration unit shown in 2; Be applied to square, circular desulfurizing tower respectively; Specifically be located in the middle part of the desulfurizing tower and and be welded to connect with the desulfurizing tower inwall; Said parallel combination structure of pneumatic desulfuration unit comprises the upper sealing plate 1 and following shrouding 2 that is provided with perforate, and it is uniformly-spaced evenly distributed that perforate is, and is provided with the Pneumatic desulfuration unit 3 that contains the awl cover in upper and lower shrouding 1, the 2 corresponding perforates.The percent opening of said upper and lower shrouding 1,2 is 15～50% of a desulfurizing tower sectional area.Said upper sealing plate 1 top is provided with netted dividing plate 4.As shown in Figure 1, said upper and lower shrouding 1,2 is square, so be applied in the square desulfurizing tower.As shown in Figure 2, said upper and lower shrouding 1,2 is circular, so be applied in the circular desulfurizing tower.Determine that according to working condition said upper and lower shrouding 1,2 can also be rectangle or ellipse.In order to make invention have good antiseptic property, the upper sealing plate 1 of the parallel combination structure parts of Pneumatic desulfuration unit is to be processed by the carbon steel material of the anticorrosion heat resistant and wear resistant of outer lining with following shrouding 2 with dividing plate 4.Dividing plate 4 also useable glass steel is processed.
Each functions of components is following among the present invention:
The bottom orifice plate of the parallel combination structure parts that following shrouding 2 is Pneumatic desulfuration units; Mainly contain two effects: the impact of 1. directly bearing air-flow; Air-flow there is interception function, the effect that makes down the space of shrouding below 2 have gas collection and all press, following shrouding 2 surperficial air pressure are bigger; Force air-flow upwards to flow, and the flow in each Pneumatic desulfuration unit 3 is basic identical through Pneumatic desulfuration unit 3; 2. be the lower support plate of Pneumatic desulfuration unit 3, with Pneumatic desulfuration unit 3 welding.
Upper sealing plate 1 is the parallel combination structure upper parts of components orifice plate of Pneumatic desulfuration unit, mainly contains three effects: 1. be the upper support board of Pneumatic desulfuration unit 3, in the welding of the exit of Pneumatic desulfuration unit 3; 2. be the floatboard of desulfurizing agent, the water droplet that slurries under the slurries that fall after rise Pneumatic desulfuration unit 3 ejection backs, the spray of cloth slurry layer and demister capture all drops on the upper sealing plate 1; 3. can be used as the platform of the fitting operation of other parts in the desulfurizing tower.
The Pneumatic desulfuration unit 3 that contains the awl cover; Also comprise cyclone and the blending container be located on the awl cover; The effect of Pneumatic desulfuration unit 3 is via Pneumatic desulfuration unit 3 with the waste gas that has dust and pernicious gas; Form the liquid grain superposed layer of one section dynamic stability, finally reach the absorption of waste gas harmful components, the capture of dust and the purposes such as cooling of gas.
The effect of dividing plate 4 is the zones that on the cross section of desulfurizing tower, are partitioned into shape difference, different sizes, and guaranteeing has essentially identical desulfurizing agent flow in each Pneumatic desulfuration unit 3 in this zone; Dividing plate 4 can make the parallel combination structure of pneumatic desulfuration unit parts have the effect of dynamic adjustments gas flow with the acting in conjunction of upper sealing plate 1, guarantees existing essentially identical gas flow in the Pneumatic desulfuration unit 3, and essentially identical desulfurizing agent flow is arranged again.
So the present invention can directly apply to smoke-gas wet desulfurization device (desulfurizing tower); And can in desulfurizing tower, bring up the High Velocity Area of the relative motion of a gas phase and liquid phase; Organically be combined within the tower body fully the separating of high speed, high strength blending and gas-liquid of gas-liquid; Have efficient height, optimum efficiency resistance ratios that resistance is little, reduced spray flux, remarkable energy saving effect is arranged.
Above-described embodiment, the present invention specific embodiment a kind of more preferably just, common variation that those skilled in the art carries out in technical scheme scope of the present invention and replacement all should be included in protection scope of the present invention.
Claims (4)
1. parallel combination structure of pneumatic desulfuration unit; Comprise the upper sealing plate and following shrouding that are provided with perforate; It is uniformly-spaced evenly distributed that perforate is, and is provided with the Pneumatic desulfuration unit that contains the awl cover up and down in the corresponding perforate of shrouding, it is characterized in that: said upper sealing plate top is provided with netted dividing plate.
2. parallel combination structure of pneumatic desulfuration unit according to claim 1 is characterized in that: the percent opening of said upper and lower shrouding is 15～50% of a desulfurizing tower sectional area.
3. parallel combination structure of pneumatic desulfuration unit according to claim 1 and 2 is characterized in that: said upper and lower shrouding for circular, square or oval in a kind of.
4. parallel combination structure of pneumatic desulfuration unit according to claim 1 and 2 is characterized in that: said upper and lower shrouding is a rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710175792 CN101406801B (en) | 2007-10-12 | 2007-10-12 | Parallel combination structure of pneumatic desulfuration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710175792 CN101406801B (en) | 2007-10-12 | 2007-10-12 | Parallel combination structure of pneumatic desulfuration unit |
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| Publication Number | Publication Date |
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| CN101406801A CN101406801A (en) | 2009-04-15 |
| CN101406801B true CN101406801B (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200710175792 Active CN101406801B (en) | 2007-10-12 | 2007-10-12 | Parallel combination structure of pneumatic desulfuration unit |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102120140A (en) * | 2010-12-01 | 2011-07-13 | 航天环境工程有限公司 | Catalytic cracking flue gas desulfurization device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB721958A (en) * | 1951-02-14 | 1955-01-19 | Socony Vacuum Oil Co Inc | Method and apparatus for transfer of contact materials |
| CN2207872Y (en) * | 1994-09-19 | 1995-09-20 | 北京市清新高科技开发公司 | pneumatic emulsification filter |
| CN2356735Y (en) * | 1998-06-30 | 2000-01-05 | 北京市清新高科技开发公司 | pneumatic emulsification filter |
| CN2386872Y (en) * | 1999-09-02 | 2000-07-12 | 北京天福力高科技发展中心 | Pneumatic desulfurization dust collector |
| CN2858058Y (en) * | 2005-12-31 | 2007-01-17 | 南京中电联环保工程有限公司 | Cyclone fractionation equipment for smoke decarbolizing and pressure stabilizing |
| CN201154288Y (en) * | 2007-09-03 | 2008-11-26 | 北京华宇融通电力科技开发有限公司 | Self-distributing parallelflow pneumatic rotary packed tower |
-
2007
- 2007-10-12 CN CN 200710175792 patent/CN101406801B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB721958A (en) * | 1951-02-14 | 1955-01-19 | Socony Vacuum Oil Co Inc | Method and apparatus for transfer of contact materials |
| CN2207872Y (en) * | 1994-09-19 | 1995-09-20 | 北京市清新高科技开发公司 | pneumatic emulsification filter |
| CN2356735Y (en) * | 1998-06-30 | 2000-01-05 | 北京市清新高科技开发公司 | pneumatic emulsification filter |
| CN2386872Y (en) * | 1999-09-02 | 2000-07-12 | 北京天福力高科技发展中心 | Pneumatic desulfurization dust collector |
| CN2858058Y (en) * | 2005-12-31 | 2007-01-17 | 南京中电联环保工程有限公司 | Cyclone fractionation equipment for smoke decarbolizing and pressure stabilizing |
| CN201154288Y (en) * | 2007-09-03 | 2008-11-26 | 北京华宇融通电力科技开发有限公司 | Self-distributing parallelflow pneumatic rotary packed tower |
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| CN101406801A (en) | 2009-04-15 |
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