CN102728469A - Vertical type wet process electric dust collector flow field optimizing device - Google Patents
Vertical type wet process electric dust collector flow field optimizing device Download PDFInfo
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- CN102728469A CN102728469A CN2012102393114A CN201210239311A CN102728469A CN 102728469 A CN102728469 A CN 102728469A CN 2012102393114 A CN2012102393114 A CN 2012102393114A CN 201210239311 A CN201210239311 A CN 201210239311A CN 102728469 A CN102728469 A CN 102728469A
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Abstract
The invention discloses a vertical type wet process electric dust collector flow field optimizing device which comprises a dust collector shell body, a dust collecting pole plate and a venting channel, wherein the dust collector shell body is provided with an air inlet, an air outlet and a water outlet, the dust collecting pole plate is arranged inside the dust collector shell body, the venting channel is connected with the air outlet, an opening direction of an inlet end of the venting channel is downwards, and the central axis of the venting channel is coincident with the central axis of the air inlet. In use, flue gas entering from the air inlet is purified by the dust collecting pole plate, enters the venting channel through an inlet of the venting channel arranged on the same straight line with the air inlet, and then is discharged by the air outlet. By means of the process, the air outlet is connected with the venting channel, and an opening of the inlet end of the venting channel is opposite to the air inlet, namely the air inlet and the inlet of the venting channel are in the same straight line, so that air in the wet type electric dust collector flows in the vertical direction without deviating, thereby preventing air flow from impacting the dust collecting pole plate and preventing air flow from carrying sewage.
Description
Technical field
The present invention relates to the electrostatic precipitation technology field, relate in particular to a kind of vertical Wet-electric duster flow field optimization means.
Background technology
In the industries such as cement, metallurgy, papermaking; Exist a large amount of PM2.5 (to refer to that diameter is less than or equal to 2.5 microns particle in the atmosphere in the flue gas that produces in process of production; Be also referred to as pellet) fine solid particle and part pernicious gas, these flue gases are very big to the influence of the harm of health and atmosphere quality.Wet-electric duster is one of effective means that above-mentioned flue gas is captured.The operation principle of wet electrical dust precipitator washes away the dust of heavy collection on pole plate for making the control of dust polar board surface form water membrane with modes such as water spray or overflow waters, can avoid having captured flying upward again of dust, reaches very high efficiency of dust collection.
Please refer to Fig. 1, the dedusting pole plate 5 that present vertical wet electrical dust precipitator comprises housing 1, is arranged on the gas feed 2 on housing 1 top, is arranged on the gas vent 3 of housing 1 side and is arranged on the discharge outlet 4 of housing 1 bottom and is arranged on housing 1 inside.During work; It is inner that the gas of miscella particle gets into wet electrical dust precipitator through gas feed 2; And the particle in the gas is removed through dedusting pole plate 5; Clean at last gas is discharged through gas vent 3, and the water that has absorbed particle has promptly been accomplished the dedusting work to gas through discharge outlet 4 discharges.But gas vent 3 operated by rotary motion of traditional vertical wet electrical dust precipitator are at the side of deduster, and this makes that the inner air-flow of deduster is inhomogeneous because of the amesiality distribution of gas that causes in the process of circulation.In addition, the crossflow at gas vent 3 places can impact dedusting pole plate 5 when big, and it is rocked, and also can take away by the sewage that electric cleaner is inner simultaneously, and this has caused secondary pollution to gas undoubtedly.
In sum, how to adjust the distribution of vertical Wet-electric duster flow field,, become the technical barrier that those skilled in the art needs to be resolved hurrily to prevent that air-flow is partial in the deduster.
Summary of the invention
The purpose of this invention is to provide a kind of vertical Wet-electric duster flow field optimization means, the layout of adjustment gas vent is to prevent that air-flow is partial in the deduster.
To achieve these goals, the present invention provides following technical scheme:
A kind of vertical Wet-electric duster flow field optimization means; Comprise deduster housing that is provided with gas feed, gas vent and discharge outlet and the dedusting pole plate that is arranged on said deduster enclosure interior; Also comprise the exhaust passage that links to each other with said gas vent, the opening direction of the inlet end of said exhaust passage downwards and the central axes of its central axis and said gas feed.
Preferably, in the above-mentioned vertical Wet-electric duster flow field optimization means, the inlet end of said exhaust passage is provided with by opening part gradually to the horn-like gatherer of external diffusion.
Preferably, in the above-mentioned vertical Wet-electric duster flow field optimization means, also comprise the cylinder manifold that becomes predetermined angle with the end face of said horn-like gatherer, and said cylinder manifold is installed on the internal side wall of said horn-like gatherer.
Preferably, in the above-mentioned vertical Wet-electric duster flow field optimization means, said predetermined angle is 0-30 °.
Preferably, in the above-mentioned vertical Wet-electric duster flow field optimization means, the lateral cross section of said horn-like gatherer is a rectangle.
Preferably, in the above-mentioned vertical Wet-electric duster flow field optimization means, the number of said cylinder manifold is 4, be arranged on four inwalls of said horn-like gatherer and adjacent said cylinder manifold end to end.
Preferably, in the above-mentioned vertical Wet-electric duster flow field optimization means, also comprise being arranged on said deduster enclosure interior, be used to be uniformly distributed with the airflow uniform distribution deflector of the air velocity distribution of said gas feed.
Preferably, in the above-mentioned vertical Wet-electric duster flow field optimization means, the number of said airflow uniform distribution deflector is a plurality of, and a plurality of said airflow uniform distribution deflector all spreads to said deduster enclosure interior along said gas feed.
Preferably, in the above-mentioned vertical Wet-electric duster flow field optimization means, also comprise being arranged between said dedusting pole plate and the said deduster inner walls, be used for oblique deflector the said dedusting pole plate of gas channeling.
Preferably; In the above-mentioned vertical Wet-electric duster flow field optimization means; Said oblique deflector comprises the oblique deflector of oblique deflector in top and bottom that is separately positioned on said dedusting pole plate two ends, and the oblique deflector of oblique deflector in said top and said bottom by said deduster inner walls downwards gradually near said dedusting pole plate.
In technique scheme; Vertical Wet-electric duster provided by the invention flow field optimization means; Comprise deduster housing that is provided with gas feed, gas vent and discharge outlet and the dedusting pole plate that is arranged on the deduster enclosure interior; Also comprise the exhaust passage that links to each other with gas vent, and the opening direction of the entrance point of this exhaust passage is downward and the central axes of its central axis and gas feed.During work, after the filtration of flue gas through the dedusting pole plate that gets into from gas feed, the import through the exhaust passage point-blank arranged with gas feed gets into the exhaust passage, and is discharged by gas vent.Can know by said process; Connect the exhaust passage at gas vent, and Open Side Down arranges with the entrance point of exhaust passage, and the central axes of its central axis and gas feed; Be gas feed and exhaust passage import point-blank; Make that the gas flow direction is a vertical direction in the optimization means of vertical Wet-electric duster flow field, guarantee that promptly air-flow can be partial in this deduster, can prevent that further air-flow is to the impact of dedusting pole plate and to the problem of carrying of sewage.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in the embodiment of the invention or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the vertical Wet-electric duster flow field optimization means that Fig. 1 provides for the embodiment of the invention;
The connection layout of the horn-like gatherer that Fig. 2 provides for the embodiment of the invention;
The circumferential cross-section sketch map of the horn-like gatherer that Fig. 3 provides for the embodiment of the invention;
The vertical Wet-electric duster flow field optimization means internal structure sketch map that Fig. 4 provides for the embodiment of the invention;
The distribution map of the airflow uniform distribution deflector that Fig. 5 provides for the embodiment of the invention;
The structural representation of the airflow uniform distribution deflector that Fig. 6 provides for the embodiment of the invention.
The specific embodiment
Core of the present invention provides a kind of vertical Wet-electric duster flow field optimization means, prevents that air-flow is partial in the deduster.
In order to make those skilled in the art understand technical scheme of the present invention better, will combine accompanying drawing and specific embodiment that the present invention is done further detailed description below.
Please refer to Fig. 2-Fig. 4; The embodiment of the invention discloses a kind of vertical Wet-electric duster flow field optimization means; Comprise the deduster housing that is provided with gas feed 12, gas vent 13 and discharge outlet 14 and be arranged on the inner deduster pole plate 15 of deduster housing 11; Also comprise the exhaust passage 16 that links to each other with gas vent 13, the opening direction of the entrance point of this exhaust passage 16 downwards and the central axes of its central axis and gas feed 12.
During work, after the flue gas that gets into from gas feed 12 filters through dedusting pole plate 15,, and discharge by gas vent 13 through the import entering exhaust passage 16 of the exhaust passage 16 point-blank arranged with gas feed 12.Can know by said process; Through exhaust passage 16 being set at gas vent 13; And with the entrance point of exhaust passage Open Side Down arranges, and the central axes of its central axis and gas feed 12, i.e. gas feed 12 with in stretch in optimization means inside, above-mentioned vertical Wet-electric duster flow field exhaust passage 16 import point-blank; As shown in Figure 2; Realize that the gas flow direction is a vertical direction in this vertical Wet-electric duster flow field optimization means, and can not be partial to that making the interior gas flow direction of vertical Wet-electric duster flow field optimization means is vertical direction; And can not be partial to, can prevent that air-flow is to the impact of dedusting pole plate and to the problem of carrying of sewage.
As shown in Figure 2, it is inner that flue gas arrives electric cleaner through gas feed 12, because the characteristic of gas can be distributed in all inner positions of this deduster.In order to guarantee that further flue gas can vertically enter in the exhaust passage 16; The vertical Wet-electric duster flow field optimization means that provides in the present embodiment also comprises the horn-like gatherer 17 of the entrance point that is arranged on exhaust passage 16; This horn-like gatherer 17 is connected the opening part of exhaust passage 16 entrance points; And by opening part gradually to external diffusion, promptly the area of section of this horn-like gatherer 17 opening part of 16 in the exhaust passage is less than the area of section of the other end.The horn-like gatherer 17 that is provided with has effectively increased the area of section of the opening part of exhaust logical 16, so that wider flue gas vertically flows and discharges.
In the course of the work, inevitably can take away the part moisture on the dedusting pole plate 15 in the process that flue gas is discharged, and take electric cleaner with the gas of cleaning out of through gas vent 13, solid particle that absorbs in the moisture and part pernicious gas can cause secondary pollution.Given this, the embodiment of the invention is provided with cylinder manifold 18 on the sidewall of horn-like gatherer 17, and this cylinder manifold 18 and the end face of horn-like gatherer 17 angle that becomes to preset, on the sidewall that is arranged on above-mentioned horn-like gatherer 17 that promptly cylinder manifold 18 tilts.When carrying the flue gas process cylinder manifold 18 of moisture, most of moisture is blocked by cylinder manifold 18 and is compiled formation water gradually along the cylinder manifold 18 that tilts and annotate, and the water of formation pours down and discharges via discharge outlet.Can know that through said process the cylinder manifold 18 of setting effectively reduces the moisture in the flue gas, has avoided the secondary pollution to flue gas.
In a preferred embodiment, the angle between the end face of cylinder manifold 18 and horn-like gatherer 17 is provided with 0-30 °.Preferably, this angle is 10 °.
Further among the embodiment, the end face of horn-like gatherer 17 is set to rectangle.The cross sectional shape that it will be appreciated by persons skilled in the art that this horn-like gatherer 17 can also be circular or other polygons, and all in protection domain.For the peripheral intake that guarantees horn-like gatherer 17 is identical, preferably, the end face of horn-like gatherer 17 is set to rectangle, to realize above-mentioned purpose.
In order to realize that the flue gas that all directions is pooled to 16 places, exhaust passage all removes water treatment; The number of cylinder manifold 18 is set to 4 in the present embodiment; And be arranged on four inwalls of horn-like gatherer 17, guarantee that simultaneously adjacent cylinder manifold 18 is end to end.
With reference to figure 5-Fig. 6; For the air-flow at gas feed 12 places is effectively shunted; Make the air-flow of various piece roughly the same; Fume centralized to prevent to come in from gas feed 12 arranges, the vertical Wet-electric duster flow field optimization means that present embodiment provides also comprises and be arranged on deduster inside, is used to be uniformly distributed with the airflow uniform distribution deflector 20 of the air velocity distribution of gas feed 12.The flue gas that gets into from gas feed 12 is through behind the airflow uniform distribution deflector 20, and it is inner evenly to be covered with this wet electrical dust precipitator, and the flow field that has further guaranteed air-flow is a vertical direction.
Because flue gas is higher in the dust-laden solubility at gas feed 12 places; If the air-flow that just adopts airflow uniform distribution deflector 20 to regulate entrance distributes; Then dust granules is deposited in the aperture of air-flow distribution deflector 20 easily, after operation a period of time, this airflow uniform distribution deflector 20 is stopped up; Thereby influence the distribution of air-flow, even cause operation troubles.In order to address the above problem, in specific embodiment, the number of airflow uniform distribution deflector 20 is set to a plurality of, and these a plurality of airflow uniform distribution deflectors 20 all along gas feed 12 to deduster housing 11 diffusion inside, promptly with horn-like distribution.Owing to being provided with some apertures on each airflow uniform distribution deflector 20 and being in tilted layout; Be seen as the honeycomb fashion diversion mode from vertical direction; The airflow uniform distribution deflector 20 that flue gas is arranged through multilayer prevents the generation of dust granules packing phenomenon, thereby guarantees this vertical Wet-electric duster flow field optimization means efficient stable operation.
Because the dedusting plate regions of vertical Wet-electric duster is the high-tension electricity place, therefore in reality, need the safe distance that keeps certain between dedusting pole plate 15 and deduster housing 11 inwalls.At work, if a large amount of air-flows from this safe distance the zone in through and do not flow back to dust collection section, the phenomenon of air-flow short circuit then can take place, promptly can't carry out dedusting to flue gas.In view of the foregoing, be provided for oblique deflector between deduster housing 11 inwalls in the vertical Wet-electric duster flow field optimization means that the embodiment of the invention provides and the dedusting pole plate 15 with gas channeling dedusting pole plate 15.So long as can the flue gas in safety zone guiding dedusting pole plate 15 can be accomplished above-mentioned purpose, therefore, the angle of inclination of oblique deflector is not limited.
The oblique deflector that provides among the embodiment further comprises oblique deflector 191 in the top that is arranged on dedusting pole plate 15 two ends and the oblique deflector 192 in bottom, and the oblique deflector 191 in top all tilts to dedusting pole plate 15 along the air current flow direction with the oblique deflector 192 in bottom.Like Fig. 4, the oblique deflector in top 191 with the oblique deflector 192 in bottom by deduster housing 11 inwalls downwards gradually near dedusting pole plate 15.
More than vertical Wet-electric duster provided by the present invention flow field optimization means has been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. vertical Wet-electric duster flow field optimization means; Comprise the deduster housing (11) that is provided with gas feed (12), gas vent (13) and discharge outlet (14) and be arranged on the inner dedusting pole plate (15) of said deduster housing (11); It is characterized in that; Also comprise the exhaust passage (16) that links to each other with said gas vent (13), the opening direction of the inlet end of said exhaust passage (16) downwards and the central axes of its central axis and said gas feed (12).
2. vertical Wet-electric duster according to claim 1 flow field optimization means is characterized in that, the inlet end of said exhaust passage (16) is provided with by opening part gradually to the horn-like gatherer (17) of external diffusion.
3. vertical Wet-electric duster according to claim 2 flow field optimization means; It is characterized in that; Comprise that also end face with said horn-like gatherer (17) becomes the cylinder manifold of predetermined angle, and said cylinder manifold (18) is installed on the internal side wall of said horn-like gatherer (17).
4. vertical Wet-electric duster according to claim 3 flow field optimization means is characterized in that said predetermined angle is 0-30 °.
5. vertical Wet-electric duster according to claim 3 flow field optimization means is characterized in that the lateral cross section of said horn-like gatherer (17) is a rectangle.
6. vertical Wet-electric duster according to claim 5 flow field optimization means; It is characterized in that; The number of said cylinder manifold (18) is 4, be arranged on four inwalls of said horn-like gatherer (17) and adjacent said cylinder manifold (18) end to end.
7. according to each described vertical Wet-electric duster flow field optimization means of claim 1-6; It is characterized in that; Also comprise being arranged on said deduster housing (11) inside, be used to be uniformly distributed with the airflow uniform distribution deflector (20) of the air velocity distribution of said gas feed (12).
8. vertical Wet-electric duster according to claim 7 flow field optimization means; It is characterized in that; The number of said airflow uniform distribution deflector (20) is a plurality of, and a plurality of said airflow uniform distribution deflectors (20) all along said gas feed (12) to said deduster housing (11) diffusion inside.
9. vertical Wet-electric duster according to claim 7 flow field optimization means; It is characterized in that; Also comprise being arranged between said dedusting pole plate (15) and said deduster housing (11) inwall, be used for oblique deflector the said dedusting pole plate of gas channeling (15).
10. vertical Wet-electric duster according to claim 9 flow field optimization means; It is characterized in that; Said oblique deflector comprises the oblique deflector of oblique deflector in top (191) and bottom (192) that is separately positioned on said dedusting pole plate (15) two ends, and the oblique deflector of oblique deflector in said top (191) and said bottom (192) by said deduster housing (11) inwall downwards gradually near said dedusting pole plate (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210239311.4A CN102728469B (en) | 2012-07-11 | 2012-07-11 | Vertical type wet process electric dust collector flow field optimizing device |
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| CN201210239311.4A CN102728469B (en) | 2012-07-11 | 2012-07-11 | Vertical type wet process electric dust collector flow field optimizing device |
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| CN102728469A true CN102728469A (en) | 2012-10-17 |
| CN102728469B CN102728469B (en) | 2015-05-20 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104324809A (en) * | 2014-09-11 | 2015-02-04 | 上海龙净环保科技工程有限公司 | Vertical flow wet electric precipitator diversion and choke coupling structure |
| CN104525374A (en) * | 2014-12-26 | 2015-04-22 | 上海龙净环保科技工程有限公司 | Device for improving efficiency of vertical-flow wet electrostatic dust remover |
| CN105413868A (en) * | 2014-09-12 | 2016-03-23 | 卢贤楷 | Electrostatic purifier |
| CN106563572A (en) * | 2015-10-12 | 2017-04-19 | 国电科学技术研究院 | Flow guide system with particle coagulation function for wet type electrostatic precipitator |
| CN106964487A (en) * | 2017-05-12 | 2017-07-21 | 浙江诸暨骏达环保设备有限公司 | A kind of wet electrical dust precipitator |
| CN107694756A (en) * | 2016-12-29 | 2018-02-16 | 大唐环境产业集团股份有限公司 | A kind of airflow uniform distribution applied to wet electrical dust precipitator entrance combines the unit |
| CN110586327A (en) * | 2019-10-14 | 2019-12-20 | 神华天津煤炭码头有限责任公司 | Exhaust structure and wet-type electrostatic precipitator |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104324809A (en) * | 2014-09-11 | 2015-02-04 | 上海龙净环保科技工程有限公司 | Vertical flow wet electric precipitator diversion and choke coupling structure |
| CN105413868A (en) * | 2014-09-12 | 2016-03-23 | 卢贤楷 | Electrostatic purifier |
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| CN107694756A (en) * | 2016-12-29 | 2018-02-16 | 大唐环境产业集团股份有限公司 | A kind of airflow uniform distribution applied to wet electrical dust precipitator entrance combines the unit |
| CN106964487A (en) * | 2017-05-12 | 2017-07-21 | 浙江诸暨骏达环保设备有限公司 | A kind of wet electrical dust precipitator |
| CN106964487B (en) * | 2017-05-12 | 2018-04-17 | 浙江诸暨骏达环保设备有限公司 | A kind of wet electrical dust precipitator |
| CN110586327A (en) * | 2019-10-14 | 2019-12-20 | 神华天津煤炭码头有限责任公司 | Exhaust structure and wet-type electrostatic precipitator |
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| CN102728469B (en) | 2015-05-20 |
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