CN102728469B - 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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- CN102728469B CN102728469B CN201210239311.4A CN201210239311A CN102728469B CN 102728469 B CN102728469 B CN 102728469B CN 201210239311 A CN201210239311 A CN 201210239311A CN 102728469 B CN102728469 B CN 102728469B
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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 electrostatic precipitation technology field, particularly relate to a kind of vertical wet-process electric cleaner flow fieldoptimization device.
Background technology
In the industry such as cement, metallurgy, papermaking, there is a large amount of PM2.5 in the flue gas produced in process of production and (refer to that in air, diameter is less than or equal to the particle of 2.5 microns, also referred to as pellet) fine solid particle and part pernicious gas, the impact of these flue gases on the harm of health and atmosphere quality is very large.Wet-electric duster is to one of effective means that above-mentioned flue gas traps.The operation principle of wet electrical dust precipitator forms water membrane for making collecting polar plate surface by modes such as water spray or overflow waters, is washed away by the dust of heavy collection on pole plate, can avoid having trapped flying upward again of dust, reach very high efficiency of dust collection.
Please refer to Fig. 1, current 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 the dedusting pole plate 5 of housing 1 inside.During work, the gas of miscella particle enters wet electrical dust precipitator inside by gas feed 2, and by dedusting pole plate 5 by the particle removing in gas, the gas of last cleaning is discharged by gas vent 3, and the water absorbing particle is discharged by discharge outlet 4, namely complete the dedusting work to gas.But the gas vent 3 of traditional vertical wet electrical dust precipitator is generally arranged on the side of deduster, and this makes the air-flow of deduster inside cause distribution of gas uneven because of amesiality in the process of circulation.In addition, can impact dedusting pole plate 5 when the crossflow at gas vent 3 place is larger, make it rock, also the sewage of electric cleaner inside can be taken away, this causes secondary pollution to gas undoubtedly simultaneously.
In sum, how to adjust the distribution of vertical wet-process electric cleaner flow field, to prevent air-flow in deduster to be partial to, become the technical barrier that those skilled in the art is urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide a kind of vertical wet-process electric cleaner flow fieldoptimization device, the layout of adjustment gas vent, is partial to prevent air-flow in deduster.
To achieve these goals, the invention provides following technical scheme:
A kind of vertical wet-process electric cleaner flow fieldoptimization device, comprise be provided with gas feed, gas vent and discharge outlet shell of dust remover and be arranged on the dedusting pole plate of described shell of dust remover inside, also comprise the exhaust passage be connected with described gas vent, the downward and central axes of the central axis of described exhaust passage and described gas feed of the opening direction of the inlet end of described exhaust passage.
Preferably, in above-mentioned vertical wet-process electric cleaner flow fieldoptimization device, the inlet end of described exhaust passage is provided with by opening part gradually to the horn-like collector of external diffusion.
Preferably, in above-mentioned vertical wet-process electric cleaner flow fieldoptimization device, also comprise the cylinder manifold becoming predetermined angle with the end face of described horn-like collector, and described cylinder manifold is arranged in the internal side wall of described horn-like collector.
Preferably, in above-mentioned vertical wet-process electric cleaner flow fieldoptimization device, described predetermined angle is 0-30 °.
Preferably, in above-mentioned vertical wet-process electric cleaner flow fieldoptimization device, the lateral cross section of described horn-like collector is rectangle.
Preferably, in above-mentioned vertical wet-process electric cleaner flow fieldoptimization device, the number of described cylinder manifold is 4, on four inwalls being arranged in described horn-like collector and adjacent described cylinder manifold is end to end.
Preferably, in above-mentioned vertical wet-process electric cleaner flow fieldoptimization device, also comprise and be arranged on described shell of dust remover inside, for the airflow uniform distribution deflector of the air velocity distribution of uniform described gas feed.
Preferably, in above-mentioned vertical wet-process electric cleaner flow fieldoptimization device, the number of described airflow uniform distribution deflector is multiple, and multiple described airflow uniform distribution deflector is all along described gas feed to described shell of dust remover diffusion inside.
Preferably, in above-mentioned vertical wet-process electric cleaner flow fieldoptimization device, also comprise and be arranged between described dedusting pole plate and described shell of dust remover inwall, for the oblique deflector by dedusting pole plate described in gas channeling.
Preferably, in above-mentioned vertical wet-process electric cleaner flow fieldoptimization device, described oblique deflector comprises the oblique deflector of the oblique deflector in top and bottom being separately positioned on described dedusting pole plate two ends, and the oblique deflector of the oblique deflector in described top and described bottom is downward gradually near described dedusting pole plate by described shell of dust remover inwall.
In technique scheme, vertical wet-process electric cleaner flow fieldoptimization device provided by the invention, comprise be provided with gas feed, gas vent and discharge outlet shell of dust remover and be arranged on the dedusting pole plate of shell of dust remover inside, also comprise the exhaust passage be connected with gas vent, and the opening direction of the entrance point of this exhaust passage downwards and the central axes of its central axis and gas feed.During work, the flue gas entered from gas feed, after the filtration of dedusting pole plate, enters exhaust passage by the import of the exhaust passage arranged with gas feed point-blank, and is discharged by gas vent.From said process, exhaust passage is connected at gas vent, and by the entrance point of exhaust passage Open Side Down arrange, and the central axes of its central axis and gas feed, namely the import of gas feed and exhaust passage point-blank, the flow direction making gas in vertical wet-process electric cleaner flow fieldoptimization device is vertical direction, namely ensures that in this deduster, air-flow can not be partial to, and air-flow can be prevented further to the impact of dedusting pole plate and carry problem to sewage.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in the embodiment of the present invention or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of vertical Wet-electric duster flow fieldoptimization device in prior art;
The connection layout of the horn-like collector that Fig. 2 provides for the embodiment of the present invention;
The circumferential cross-section schematic diagram of the horn-like collector that Fig. 3 provides for the embodiment of the present invention;
The vertical wet-process electric cleaner flow fieldoptimization device internal structure schematic diagram that Fig. 4 provides for the embodiment of the present invention;
The distribution map of the airflow uniform distribution deflector that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the airflow uniform distribution deflector that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
Core of the present invention is to provide a kind of vertical wet-process electric cleaner flow fieldoptimization device, prevents air-flow in deduster to be partial to.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 2-Fig. 4, the embodiment of the invention discloses a kind of vertical wet-process electric cleaner flow fieldoptimization device, comprise be provided with gas feed 12, gas vent 13 and discharge outlet 14 shell of dust remover and be arranged on the pole plate of dust remover 15 of shell of dust remover 11 inside, also comprise the exhaust passage 16 be connected with gas vent 13, the opening direction of the entrance point of this exhaust passage 16 downwards and the central axes of the central axis of exhaust passage and gas feed 12.
During work, the flue gas entered from gas feed 12, after dedusting pole plate 15 filters, enters exhaust passage 16 by the import of the exhaust passage 16 arranged with gas feed 12 point-blank, and is discharged by gas vent 13.From said process, by arranging exhaust passage 16 at gas vent 13, and by the entrance point of exhaust passage Open Side Down arrange, and the central axes of its central axis and gas feed 12, namely gas feed 12 and the interior import stretching in the exhaust passage 16 of above-mentioned vertical wet-process electric cleaner flow fieldoptimization device inside are point-blank, as shown in Figure 2, the flow direction realizing gas in this vertical wet-process electric cleaner flow fieldoptimization device is vertical direction, and can not be partial to, the flow direction making gas in vertical wet-process electric cleaner flow fieldoptimization device is vertical direction, and can not be partial to, air-flow can be prevented the impact of dedusting pole plate and problem is carried to sewage.
As shown in Figure 2, flue gas arrives electric cleaner inside by gas feed 12, and the characteristic due to gas can be distributed in all positions of this deduster inside.In order to ensure that flue gas can vertically enter in exhaust passage 16 further, the vertical wet-process electric cleaner flow fieldoptimization device provided in the present embodiment also comprises the horn-like collector 17 of the entrance point being arranged on exhaust passage 16, this horn-like collector 17 is connected to the opening part of exhaust passage 16 entrance point, and by opening part gradually to external diffusion, namely this horn-like collector 17 is less than the area of section of the other end at the area of section of the opening part of exhaust passage 16.The horn-like collector 17 arranged increase effectively 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 take away the portion of water on dedusting pole plate 15 in the process that flue gas is discharged, and take electric cleaner with the gas of cleaning out of by gas vent 13, the solid particle absorbed in moisture and part pernicious gas can cause secondary pollution.Given this, the embodiment of the present invention is provided with cylinder manifold 18 on the sidewall of horn-like collector 17, and the angle that this cylinder manifold 18 becomes to preset with the end face of horn-like collector 17, on the sidewall being arranged on above-mentioned horn-like collector 17 that namely cylinder manifold 18 tilts.When the flue gas carrying moisture is through cylinder manifold 18, most of moisture is blocked by cylinder manifold 18 and is collected gradually along the cylinder manifold 18 tilted and forms water and note, and the water of formation pours down and discharges via discharge outlet.Known through said process, the cylinder manifold 18 of setting effectively reduces the moisture in flue gas, avoids the secondary pollution to flue gas.
In a preferred embodiment, the angle between cylinder manifold 18 and the end face of horn-like collector 17 is arranged 0-30 °.Preferably, this angle is 10 °.
In further embodiment, the end face of horn-like collector 17 is set to rectangle.The cross sectional shape that it will be appreciated by persons skilled in the art that this horn-like collector 17 can also be circular or other polygons, and all in protection domain.Identical in order to ensure the peripheral intake of horn-like collector 17, preferably, the end face of horn-like collector 17 is set to rectangle, to realize above-mentioned purpose.
In order to the flue gas realizing being pooled to all directions exhaust passage 16 place all carries out except water treatment, in the present embodiment, the number of cylinder manifold 18 is set to 4, and be arranged on four inwalls of horn-like collector 17, ensure that adjacent cylinder manifold 18 is end to end simultaneously.
With reference to figure 5-Fig. 6, in order to the air-flow at gas feed 12 place is effectively shunted, make the air-flow of various piece roughly the same, arrange to prevent the fume centralized of coming in from gas feed 12, the vertical wet-process electric cleaner flow fieldoptimization device that the present embodiment provides also comprises and is arranged on deduster inside, for the airflow uniform distribution deflector 20 of the air velocity distribution of uniform gas feed 12.The flue gas entered from gas feed 12, by after airflow uniform distribution deflector 20, is evenly covered with this wet electrical dust precipitator inner, further ensure that the flow field of air-flow is vertical direction.
Because flue gas is higher in the dust-laden solubility at gas feed 12 place, if just adopt airflow uniform distribution deflector 20 to regulate the air flow method of entrance, then dust granules is easily deposited in the aperture of air flow method deflector 20, after running a period of time, this airflow uniform distribution deflector 20 is easily made to block, thus affect the distribution of air-flow, even cause operation troubles.In order to solve the problem, in a particular embodiment, the number of airflow uniform distribution deflector 20 is set to multiple, and this multiple airflow uniform distribution deflector 20 is all along gas feed 12 to shell of dust remover 11 diffusion inside, namely with horn-like distribution.Owing to each airflow uniform distribution deflector 20 being provided with some apertures and being in tilted layout, honeycomb fashion diversion mode is seen as from vertical direction, flue gas prevents the generation of dust granules packing phenomenon by the airflow uniform distribution deflector 20 that multilayer is arranged, thus ensures that this vertical wet-process electric cleaner flow fieldoptimization device efficient stable runs.
Dedusting plate regions due to vertical wet-process electric cleaner is high-tension electricity place, therefore needs to keep certain safe distance between dedusting pole plate 15 and shell of dust remover 11 inwall in practice.At work, if a large amount of air-flows passes through and do not flow back to dust collection section in the region of this safe distance, then can there is the phenomenon of air flow shortcircuit, namely cannot carry out dedusting to flue gas.In view of the foregoing, arrange for the oblique deflector by gas channeling dedusting pole plate 15 between shell of dust remover 11 inwall in the vertical wet-process electric cleaner flow fieldoptimization device provided in the embodiment of the present invention and dedusting pole plate 15.As long as the flue gas guiding dedusting pole plate 15 in safety zone can be completed above-mentioned purpose, therefore, the angle of inclination of oblique deflector is not limited.
The oblique deflector further provided in embodiment comprises the oblique deflector 192 of the oblique deflector in top 191 and bottom being arranged on dedusting pole plate 15 two ends, and the oblique deflector 192 of the oblique deflector in top 191 and bottom all tilts along air current flow direction to dedusting pole plate 15.As Fig. 4, the oblique deflector 192 of the oblique deflector in top 191 and bottom is downward gradually near dedusting pole plate 15 by shell of dust remover 11 inwall.
Above vertical wet-process electric cleaner flow fieldoptimization device provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a vertical wet-process electric cleaner flow fieldoptimization device, comprise be provided with gas feed (12), gas vent (13) and discharge outlet (14) shell of dust remover (11) and be arranged on the inner dedusting pole plate (15) of described shell of dust remover (11), it is characterized in that, also comprise the exhaust passage (16) be connected with described gas vent (13), the downward and central axes of the central axis of described exhaust passage (16) and described gas feed (12) of the opening direction of the inlet end of described exhaust passage (16).
2. vertical wet-process electric cleaner flow fieldoptimization device according to claim 1, is characterized in that, the inlet end of described exhaust passage (16) is provided with by opening part gradually to the horn-like collector (17) of external diffusion.
3. vertical wet-process electric cleaner flow fieldoptimization device according to claim 2, it is characterized in that, also comprise the cylinder manifold becoming predetermined angle with the end face of described horn-like collector (17), and described cylinder manifold (18) is arranged in the internal side wall of described horn-like collector (17).
4. vertical wet-process electric cleaner flow fieldoptimization device according to claim 3, it is characterized in that, described predetermined angle is 0-30 °.
5. vertical wet-process electric cleaner flow fieldoptimization device according to claim 3, is characterized in that, the lateral cross section of described horn-like collector (17) is rectangle.
6. vertical wet-process electric cleaner flow fieldoptimization device according to claim 5, it is characterized in that, the number of described cylinder manifold (18) is 4, on four inwalls being arranged in described horn-like collector (17) and adjacent described cylinder manifold (18) is end to end.
7. the vertical wet-process electric cleaner flow fieldoptimization device according to any one of claim 1-6, it is characterized in that, also comprise and be arranged on described shell of dust remover (11) inside, for the airflow uniform distribution deflector (20) of the air velocity distribution of uniform described gas feed (12).
8. vertical wet-process electric cleaner flow fieldoptimization device according to claim 7, it is characterized in that, the number of described airflow uniform distribution deflector (20) is multiple, and multiple described airflow uniform distribution deflector (20) is all along described gas feed (12) to described shell of dust remover (11) diffusion inside.
9. vertical wet-process electric cleaner flow fieldoptimization device according to claim 7, it is characterized in that, also comprise and be arranged between described dedusting pole plate (15) and described shell of dust remover (11) inwall, for the oblique deflector by dedusting pole plate (15) described in gas channeling.
10. vertical wet-process electric cleaner flow fieldoptimization device according to claim 9, it is characterized in that, described oblique deflector comprises the oblique deflector in the top (191) and bottom oblique deflector (192) that are separately positioned on described dedusting pole plate (15) two ends, and the oblique deflector in described top (191) and described bottom oblique deflector (192) by described shell of dust remover (11) inwall downwards gradually near described 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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| CN102728469B true CN102728469B (en) | 2015-05-20 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN104525374B (en) * | 2014-12-26 | 2016-09-07 | 上海龙净环保科技工程有限公司 | Vertical current wet electrical dust precipitator carry effect device |
| 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 |
| 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 |
| 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 |
| CN110586327B (en) * | 2019-10-14 | 2021-04-13 | 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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