CN204637884U - Electromechanical integration dedusting demister - Google Patents
Electromechanical integration dedusting demister Download PDFInfo
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- CN204637884U CN204637884U CN201520303479.6U CN201520303479U CN204637884U CN 204637884 U CN204637884 U CN 204637884U CN 201520303479 U CN201520303479 U CN 201520303479U CN 204637884 U CN204637884 U CN 204637884U
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Abstract
The utility model relates to a kind of electromechanical integration dedusting demister, for wet desulphurization device, belong to filed of flue gas purification, described electromechanical integration dedusting demister comprises several dedusting demisting unit, described dedusting demisting unit comprises whirl cylinder, Wet type electric dust-removing device and spiral-flow plate-type dust removal with machine demister, described Wet type electric dust-removing device is positioned at the top of the inside of described whirl cylinder, described spiral-flow plate-type dust removal with machine demister is positioned at the bottom of the inside of described whirl cylinder, described Wet type electric dust-removing device comprises discharge electrode pipe, described spiral-flow plate-type dust removal with machine demister comprises water pipe, flange, blade and nozzle, described water pipe is positioned on the central axis of whirl cylinder, sheathed 1 or the sheathed multiple flange in interval on water pipe, some blades are provided with between described flange and the barrel of whirl cylinder, described water pipe is provided with some nozzles, the utility model fully combines the advantage of spiral-flow plate-type dust removal with machine and electric precipitation, simple for structure, O&M is simple, efficiency is high.
Description
Technical field
The utility model belongs to filed of flue gas purification, relates to a kind of dedusting demister, particularly relates to a kind of electromechanical integration dedusting demister for wet desulphurization device.
Background technology
At present, China is in flue gas or industrial tail gas pollution control, and representative technology is Wet Flue Gas Desulfurization Technique, all needs to install demister and remove the fine droplet produced in spray process after the spray washing purification of Wet Flue Gas Desulfurization Technique; With regard to current actual conditions, no matter be Flat defroster or ridge type demister, to being less than the dust being less than 5um in the drop of 5um and flue gas, and the removal efficiency of the finely ground particles such as aerocolloidal sulfate radical, inferior sulfate radical, nitrate anion, nitrite anions forming PM2.5 is difficult to meet the requirement of environmental protection.For meeting more and more strict environmental requirement, wet desulphurization device rear end all needs to install Wet type electric dust-removing device additional and carries out deep purifying.Although wet-esp effectively can remove finely ground particles, Wet type electric dust-removing device also exists process equipment both bulk, and take up room large, initial cost is high, and operation energy consumption is high, and constructed item transforms the problems such as difficulty is large.
Such as, Chinese patent CN201210287870.2 discloses a kind of high-efficient wet-type electric precipitation desulphurization system, described system comprises desulfurizing tower, described desulfurizing tower bottom is provided with smoke inlet, top is provided with exhanst gas outlet, described desulfurizing tower inner bottom part be in and oxidation pond, between described desulfurizing tower inside smoke entrance and exhanst gas outlet, desulfurization uptake zone and wet electrical dust precipitator are set, and wet electrical dust precipitator is positioned at above desulfurization uptake zone, is communicated with in described with oxidation pond by circulating pump with desulfurization uptake zone; Also comprise cyclic water tank, flush water pump and be arranged on the water accumulating disc between the inner desulfurization uptake zone of desulfurizing tower and wet electrical dust precipitator.Its shortcoming is equipment bulky complex, and take up room large, operation energy consumption is high, and manufacturing cost, use cost and maintenance cost are high.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of electromechanical integration dedusting demister for wet desulphurization device.
The technical scheme that the utility model is dealt with problems is: electromechanical integration dedusting demister, comprise several dedusting demisting unit, space between adjacent dedusting demisting unit is provided with the first plugging plate, described dedusting demisting unit comprises whirl cylinder, Wet type electric dust-removing device and spiral-flow plate-type dust removal with machine demister, described Wet type electric dust-removing device is positioned at the top of the inside of described whirl cylinder, and described spiral-flow plate-type dust removal with machine demister is positioned at the bottom of the inside of described whirl cylinder.
Further, the shape of the cross section in the space between the shape of the cross section of described first plugging plate and adjacent dedusting demisting unit matches, described first plugging plate plays the effect be fixedly connected with shutoff simultaneously, prevents ash-laden gas from passing from the space between dedusting demisting unit.
Further, described Wet type electric dust-removing device comprises discharge electrode pipe, and described discharge electrode pipe is positioned on the central axis of whirl cylinder.
Further, described discharge electrode pipe is cathodic discharge pole pipe, and described whirl cylinder is anode conducting cylinder, and the material of described discharge electrode pipe is plumbous or stainless steel, and the material of described whirl cylinder is stainless steel or electroconductive frp.
Further, described spiral-flow plate-type dust removal with machine demister comprises water pipe, flange, blade and nozzle, described water pipe is positioned on the central axis of whirl cylinder, sheathed 1 or the sheathed multiple flange in interval on described water pipe, be provided with some blades between described flange and the barrel of whirl cylinder, described water pipe is provided with some nozzles.Described blade realization is to the change of the direction of motion of the particle in flue gas and flue gas and acceleration, thus make water droplet in flue gas and particle form turbulent flow and fully clash into, make the reunion that collides with each other of the particles such as the drop in flue gas, dust granules, aerosol be condensed into large drop.
Further, the blade between described flange and the barrel of whirl cylinder is the arrangement of homogeneous radiation shape; Described blade has angle of inclination relative to the cross section of whirl cylinder, and the scope at described angle of inclination is 20 ° ~ 60 °; The external diametrical extent of described flange is 0.1 ~ 0.2 meter.
Further, all blades that each described flange connects are one group, the projection Duplication often organizing described blade is-20% ~ 50%, the molecule of described projection Duplication is the difference of the interval area between the overlapping area of one group of blade orthographic projection and this group blade orthographic projection, and the denominator of described projection Duplication is the area sum of this group blade orthographic projection.
Further, the material of described blade is acid-resistant stainless steel, adds the carbon steel, fiberglass, any one in PP, PVC that are coated with glass flake anticorrosive coat.
Further, the inwall of described whirl cylinder is provided with liquid film.
Further, 1 ~ 3 meter of on the top layer spraying layer that described electromechanical integration dedusting demister is arranged on wet desulphurization device, be provided with the second plugging plate between described electromechanical integration dedusting demister and wet desulphurization device, described second plugging plate plays spacing, fixing effect and the effect in space between the electrical integrated dedusting demister of stopple plugging machine and wet desulphurization device.
The beneficial effects of the utility model are:
1. solve the problem that space requirement is high, difficulty large, transformation cycle length, initial cost and operating cost are high of electric precipitation transformation, only space, original absorption tower need be utilized to transform, not change absorption tower external structure.Traditional ridge type or plate-type dedusting device need not be set in absorbing tower.The flow of flue gas speed that electromechanical integration dedusting demister described in the utility model allows is high, the flue gas flow rate allowed is 4-6m/s, thus absorption tower diameter need not be strengthened, utilize former absorption tower, without the need to transforming or arrange independent wet electrical dust precipitator behind absorption tower.The height of deduster of the present utility model is low, only has 3m high, height with ridge in conventional tower or board-like demister height suitable.
2. dedusting demist purification efficiency is high.The particle such as drop, dust granules, aerosol in effective removal flue gas.Wet flue gas after spray cleaning is through electromechanical integration dedusting demister described in the utility model, in whirl cylinder and above form violent rotation and the disturbance of gas-liquid two-phase, make the reunion that collides with each other of the particles such as the drop in flue gas, dust granules, aerosol be condensed into large drop, large drop is caught the purification object reaching and remove particle again by the liquid film on whirl cylinder surface.Meanwhile, flue gas is formed and rotates ascending motion after flowing through blade, and the droplet in flue gas and dust accelerate to move to whirl cylinder under centrifugal action.Meanwhile, due to the turning effort of flue gas, make discharge electrode tube discharge faster, droplet or dust more easily and electron collision, thus reach higher efficiency of dust collection.
3. overcoming traditional wet electric cleaner needs stopping discharge and cause having the problem of the dust emission high level of short-term when cleaning.The utility model, owing to itself having dust removal with machine effect, can ensure that efficiency of dust collection declines few between flush period.
4. the utility model fully combines the advantage of spiral-flow plate-type dust removal with machine and electric precipitation, simple for structure, and O&M is simple, and reliability is high.
Accompanying drawing explanation
Fig. 1 is the top view of electromechanical integration dedusting demister described in the utility model;
Fig. 2 is the Facad structure sectional view of the demisting unit of dedusting shown in Fig. 1;
Fig. 3 is the vertical section structure schematic diagram of the wet desulphurization device having installed electromechanical integration dedusting demister described in the utility model additional.
In figure: 1-absorption tower; Stock tank in 2-tower; The import of 3-adsorption tower smoke; 4-spraying layer; 5-brace summer; 6-electromechanical integration dedusting demister, 61-dedusting demisting unit, 611-whirl cylinder, 612-discharge electrode pipe, 613-water pipe, 614-flange, 615-blade, 616-nozzle, 62-first plugging plate; 7-adsorption tower smoke exports; 8-second plugging plate.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As shown in Figure 1-Figure 3, electromechanical integration dedusting demister 6, comprise several dedusting demisting unit 61, space between adjacent dedusting demisting unit 61 is provided with the first plugging plate 62, described dedusting demisting unit 61 comprises whirl cylinder 611, Wet type electric dust-removing device and spiral-flow plate-type dust removal with machine demister, described Wet type electric dust-removing device is positioned at the top of the inside of described whirl cylinder 611, and described spiral-flow plate-type dust removal with machine demister is positioned at the bottom of the inside of described whirl cylinder 611.
The shape of the cross section in the space between the shape of the cross section of described first plugging plate 62 and adjacent dedusting demisting unit 61 matches.
Described Wet type electric dust-removing device comprises discharge electrode pipe 612, and described discharge electrode pipe 612 is positioned on the central axis of whirl cylinder 611.
Described discharge electrode pipe 612 is cathodic discharge pole pipe, and described whirl cylinder 611 is anode conducting cylinder, and the material of described discharge electrode pipe 612 is plumbous, and the material of described whirl cylinder 611 is electroconductive frp.
Described spiral-flow plate-type dust removal with machine demister comprises water pipe 613, flange 614, blade 615 and nozzle 616, described water pipe 613 is positioned on the central axis of whirl cylinder 611, sheathed 2 flanges 614 in interval on described water pipe 613, be provided with some blades 615 between described flange 614 and the barrel of whirl cylinder 611, described water pipe 613 is provided with some nozzles 616.
The arrangement in homogeneous radiation shape of blade 615 between described flange 614 and the barrel of whirl cylinder 611; Described blade 615 has angle of inclination relative to the cross section of whirl cylinder 611, and the scope at described angle of inclination is 20 ° ~ 60 °; The external diametrical extent of described flange 614 is 0.1 ~ 0.2 meter.
All blades 615 that each described flange 614 connects are one group, the projection Duplication often organizing described blade 615 is-20% ~ 50%, the molecule of described projection Duplication is the difference of the interval area between the overlapping area of one group of blade orthographic projection and this group blade orthographic projection, and the denominator of described projection Duplication is the area sum of this group blade orthographic projection.
The material of described blade 615 is acid-resistant stainless steel.
The inwall of described whirl cylinder 611 is provided with liquid film.
As shown in Figure 3, the wet desulphurization device having installed electromechanical integration dedusting demister 6 described in the utility model additional comprises stock tank 2 in absorption tower 1, tower, adsorption tower smoke import 3, spraying layer 4, brace summer 5, electromechanical integration dedusting demister 6 and adsorption tower smoke outlet 7 and the second plugging plate 8.
1 ~ 3 meter of on the spraying layer 4 that described electromechanical integration dedusting demister 6 is arranged on the top layer of wet desulphurization device, be provided with the second plugging plate 8 between the inwall on the absorption tower 1 of described electromechanical integration dedusting demister 6 and wet desulphurization device, prevent ash-laden gas from passing from the space between the inwall on the absorption tower 1 of described electromechanical integration dedusting demister 6 and wet desulphurization device.
The course of work of electromechanical integration dedusting demister described in the utility model is as follows: the kinetic energy utilizing the flue gas in wet desulphurization device in absorption tower, flue gas is through spiral-flow plate-type dust removal with machine demister, gas-liquid impingement is produced at blade and whirl cylinder, the reunion that collides with each other of the particles such as the drop in flue gas, dust granules, aerosol is made to be condensed into large drop, large drop is caught by the liquid film of the inwall of whirl cylinder again, reaches the purification object removing particle; Simultaneously because flue gas is after flowing through blade, become by original vertical upflow and rotate flowing of rising, the dust in flue gas and droplet move to the barrel of whirl cylinder under the influence of centrifugal force; After described cathodic discharge pole pipe and anode conducting cylinder are energized, form electric field, cathodic discharge pole pipe sustained release electronics, the particle collisions such as the droplet of electronics in flue gas, dust, aerosol are combined thus make charge particles; Because particulate itself moves to whirl cylinder direction under the influence of centrifugal force, under the effect of electric field force, the motion in this direction is accelerated after charged, charged particle promptly arrives anode conducting cylinder surface under the double action of centrifugal force and electric field force effect, thus removes the particulate such as droplet, dust, aerosol in flue gas more efficiently.
The utility model is not limited to above-mentioned embodiment, when not deviating from flesh and blood of the present utility model, those skilled in the art you any distortion, improvement, the replacement that can expect all fall into protection domain of the present utility model.
Claims (10)
1. electromechanical integration dedusting demister, it is characterized in that, comprise several dedusting demisting unit, space between adjacent dedusting demisting unit is provided with the first plugging plate, described dedusting demisting unit comprises whirl cylinder, Wet type electric dust-removing device and spiral-flow plate-type dust removal with machine demister, described Wet type electric dust-removing device is positioned at the top of the inside of described whirl cylinder, and described spiral-flow plate-type dust removal with machine demister is positioned at the bottom of the inside of described whirl cylinder.
2. electromechanical integration dedusting demister according to claim 1, is characterized in that, the shape of the cross section in the space between the shape of the cross section of described first plugging plate and adjacent dedusting demisting unit matches.
3. electromechanical integration dedusting demister according to claim 1, it is characterized in that, described Wet type electric dust-removing device comprises discharge electrode pipe, and described discharge electrode pipe is positioned on the central axis of whirl cylinder.
4. electromechanical integration dedusting demister according to claim 3, it is characterized in that, described discharge electrode pipe is cathodic discharge pole pipe, and described whirl cylinder is anode conducting cylinder, the material of described discharge electrode pipe is plumbous or stainless steel, and the material of described whirl cylinder is stainless steel or electroconductive frp.
5. electromechanical integration dedusting demister according to claim 1, it is characterized in that, described spiral-flow plate-type dust removal with machine demister comprises water pipe, flange, blade and nozzle, described water pipe is positioned on the central axis of whirl cylinder, sheathed 1 or the sheathed multiple flange in interval on described water pipe, be provided with some blades between described flange and the barrel of whirl cylinder, described water pipe is provided with some nozzles.
6. electromechanical integration dedusting demister according to claim 5, is characterized in that, the blade between described flange and the barrel of whirl cylinder is the arrangement of homogeneous radiation shape; Described blade has angle of inclination relative to the cross section of whirl cylinder, and the scope at described angle of inclination is 20 ° ~ 60 °; The external diametrical extent of described flange is 0.1 ~ 0.2 meter.
7. electromechanical integration dedusting demister according to claim 5, is characterized in that, all blades that each described flange connects are one group, and the projection Duplication often organizing described blade is-20% ~ 50%.
8. electromechanical integration dedusting demister according to claim 5, is characterized in that, the material of described blade is acid-resistant stainless steel, add the carbon steel, fiberglass, any one in PP, PVC that are coated with glass flake anticorrosive coat.
9. electromechanical integration dedusting demister according to claim 1, it is characterized in that, the inwall of described whirl cylinder is provided with liquid film.
10. electromechanical integration dedusting demister according to claim 1, it is characterized in that, 1 ~ 3 meter of on the top layer spraying layer that described electromechanical integration dedusting demister is arranged on wet desulphurization device, is provided with the second plugging plate between described electromechanical integration dedusting demister and wet desulphurization device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520303479.6U CN204637884U (en) | 2015-05-12 | 2015-05-12 | Electromechanical integration dedusting demister |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520303479.6U CN204637884U (en) | 2015-05-12 | 2015-05-12 | Electromechanical integration dedusting demister |
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| CN204637884U true CN204637884U (en) | 2015-09-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888564A (en) * | 2015-05-12 | 2015-09-09 | 田鹏程 | Mechanical-electrical integration dust removal demister |
| CN105688634A (en) * | 2016-02-26 | 2016-06-22 | 刘佩佩 | Desulfuration device based on spiral gas-liquid mixing and rotational flow gas-liquid separating principle |
-
2015
- 2015-05-12 CN CN201520303479.6U patent/CN204637884U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888564A (en) * | 2015-05-12 | 2015-09-09 | 田鹏程 | Mechanical-electrical integration dust removal demister |
| CN105688634A (en) * | 2016-02-26 | 2016-06-22 | 刘佩佩 | Desulfuration device based on spiral gas-liquid mixing and rotational flow gas-liquid separating principle |
| CN105688634B (en) * | 2016-02-26 | 2018-01-23 | 上海汇舸环保科技有限公司 | A kind of desulfurizer based on spiral gas-liquid mixing and cyclone gas-liquid separation principle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170727 Address after: 100098, room 321, crown building, 18 Changhua Road, Beijing, Haidian District Patentee after: BEIJING NOROMO ENERGY-SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 4 Hanwei International Plaza No. 186 Beijing 100097 Fengtai District South Fourth Ring Road No. 7 Building 7 layer Patentee before: Tian Pengcheng |