CN204973480U - Desulfurization dust collector with whirl mixes - Google Patents
Desulfurization dust collector with whirl mixes Download PDFInfo
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- CN204973480U CN204973480U CN201520401541.5U CN201520401541U CN204973480U CN 204973480 U CN204973480 U CN 204973480U CN 201520401541 U CN201520401541 U CN 201520401541U CN 204973480 U CN204973480 U CN 204973480U
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Abstract
The utility model discloses a desulfurization dust collector with whirl mixes, including the absorption tower, be equipped with the whirl board in proper order according to in the flue gas flow direction absorption tower, the one -level sprays the layer, connects liquid dish, second grade to spray layer and defroster, the whirl board go up to open the through -hole that has round platform shape, the great one end of through -hole up, the equipartition has a plurality of clockwise or anticlockwise helicla flutes on the lateral wall of through -hole, meets liquid dish and absorption tower inside wall sealing connection, is equipped with hopper -shaped's collection liquid hole on connecing the liquid dish with louing, connects liquid to coil and is equipped with the convex post of ventilating that makes progress, is equipped with the thick liquid baffle on the post of ventilating. The utility model has the advantages that, the flue gas produces the whirl after getting into the absorption tower, and then realizes flue gas evenly distributed, filters the large granule dust in the flue gas simultaneously, realizes absorption tower high efficiency desulfurization and removes dust, connects the liquid dish tight with the absorption tower welding, prevents the flue gas escape, and quantity and size can make gas distribution more even according to the adjustment of absorption tower diameter, realize higher desulfurization efficiency.
Description
Technical field
The utility model relates to a kind of desulfation dust-extraction device with eddy flow mixing.
Background technology
According to " coal electricity energy-saving and emission-reduction upgrading and transformation action plan (2014-the year two thousand twenty) ", require that the newly-built Thermal generation unit in eastern region reaches combustion engine standard substantially, under benchmark oxygen content 6% condition, emission limit is flue dust: 10mg/m
3, SO
2: 35mg/m
3; Some areas government has put into effect stricter policy, regulation, and due to reasons such as environmental carrying capacity are limited, the Yangtze River Delta, Pearl River Delta Deng Di partial fuel coal power plant with reference to combustion engine standard limited value, require that emission limit is flue dust: 5mg/m
3, SO
2: 35mg/m
3.This just requires that the efficiency of desulfurizer reaches more than 98%.
Existing open spray void tower, with the slurry liquid contacts carrying out self-circulating pump after flue gas enters absorption tower, directly discharge after demister removing bulky grain drop after primary first-order equation, desulfuration efficiency is lower.Given this, technical staff develops double circulation desulphurization system, in the middle of two-layer spraying layer, arrange catch tray by spraying layer subregion.
Flue gas is direct and slurry reaction without process, and smoke distribution is uneven, affects reaction effect.Catch tray diameter is less than absorption tower diameter, and flue gas can be escaped from surrounding, and middle spraying layer comparatively concentrates but the less slurries that easily cause again of exhaust gas volumn are wasted.
Utility model content
The purpose of this utility model is to provide a kind of desulfation dust-extraction device with eddy flow mixing, effectively can solve existing desulfation dust-extraction device smoke distribution uneven, and flue gas is easily from the problem that surrounding is escaped.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of desulfation dust-extraction device with eddy flow mixing, comprise absorption tower, bottom, described absorption tower is provided with smoke inlet, top, described absorption tower is provided with exhanst gas outlet, is provided with spiral board, one-level spraying layer, liquid dish, secondary spraying layer and demister successively by absorption tower, flow of flue gas direction;
Described spiral board has the through hole of truncated cone-shaped, the larger one end of described through hole, the sidewall of described through hole is evenly equipped with some clockwise or counterclockwise helicla flutes upward;
Described liquid dish and absorption tower madial wall are tightly connected, and described liquid dish is provided with funnelform liquid collecting hole, and described liquid dish is provided with ventilating column protruding upward, and described ventilating column is provided with slurries baffle plate.
Preferably, be also provided with slurries baffle-box outside absorption tower, the liquid collecting hole of liquid dish is connected by gravity line with slurries baffle-box, and it is secondary spraying layer feed flow that described slurries baffle-box is connected with secondary cycle pump; For secondary spraying layer provides independent slurries storage device.
Preferably, described slurries baffle-box is provided with secondary oxidation blower fan and secondary agitator; Prevent solid suspended particle precipitation in slurries baffle-box, sulfite oxidation in outer for tower stock tank is become sulfate by secondary oxidation blower fan.
Preferably, be positioned at smoke inlet bottom and be provided with stair oxidation pond in described absorption tower, described stair oxidation pond is connected with one-level spraying layer by primary cycle pump; Realize one-level spraying layer serum recycle.
Preferably, described stair oxidation pond is also provided with stair oxidation blower fan and first mixer, the bottom in described stair oxidation pond is provided with one-level excavationg pump; Prevent solid suspended particle precipitation in stair oxidation pond, sulfite oxidation in outer for tower stock tank is become sulfate by secondary oxidation blower fan, and one-level excavationg pump is used for the discharge of accessory substance.
Preferably, described slurries baffle-box top is connected with stair oxidation pond by overflow pipe, and described slurries baffle-box bottom is connected with secondary excavationg pump, and described secondary excavationg pump is connected with stock tank rotational flow station, and described stock tank rotational flow station is connected with overflow pipe; For regulating the solid content on absorption tower, absorption tower solid content is low, and the high solids slurries bottom slurries baffle-box supplement and enter in stair oxidation pond by stock tank rotational flow station.
Compared with prior art, the utility model has the advantages that: this apparatus structure is simple, effective dedusting can also be carried out when desulfurization, spiral board is installed additional above smoke inlet, flue gas produces eddy flow after entering absorption tower, and then realize flue gas and be uniformly distributed, filter the big dust particle in flue gas simultaneously, realize absorption tower efficient desulfurizing and dust collecting, liquid dish welds with absorption tower tightly, prevent flue gas from escaping, and absorption tower is divided into primary cycle and secondary cycle two regions, primary cycle pH value is lower, the solution absorption process of desulfurizing agent can be ensured, and generate the gypsum of high-quality.Secondary cycle pH value is higher, can ensure higher desulfuration efficiency and lower liquid-gas ratio, ventilating column on liquid dish, and quantity and size can adjust according to absorption tower diameter, smoke distribution can be made more even, realize higher desulfuration efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of desulfation dust-extraction device with eddy flow mixing of the utility model;
Fig. 2 is a kind of top view with spiral board in the desulfation dust-extraction device of eddy flow mixing of the utility model;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is a kind of top view with liquid dish in the desulfation dust-extraction device of eddy flow mixing of the utility model.
Detailed description of the invention
Consult the embodiment that Fig. 1 is a kind of desulfation dust-extraction device with eddy flow mixing of the utility model, a kind of desulfation dust-extraction device with eddy flow mixing, comprise absorption tower 1, bottom, described absorption tower 1 is provided with smoke inlet 18, top, described absorption tower 1 is provided with exhanst gas outlet 8, is provided with spiral board 3, one-level spraying layer 4, liquid dish 5, secondary spraying layer 6 and demister 7 successively by absorption tower, flow of flue gas direction 1;
As shown in Figure 2 and Figure 3, described spiral board 3 has the through hole 17 of truncated cone-shaped, the larger one end of described through hole 17, the sidewall of described through hole 17 is evenly equipped with some clockwise or counterclockwise helicla flutes 21 upward,
As shown in Figure 4, described liquid dish 5 is tightly connected with absorption tower 1 madial wall, and described liquid dish 5 is provided with funnelform liquid collecting hole 22, and described liquid dish 5 is provided with ventilating column 23 protruding upward, and described ventilating column 23 is provided with slurries baffle plate 24.
Absorption tower 1 is outer is also provided with slurries baffle-box 13, the liquid collecting hole 22 of liquid dish 5 is connected by gravity line 25 with slurries baffle-box 13, described slurries baffle-box 13 is connected with secondary cycle pump 16 for secondary spraying layer 6 feed flow, and described slurries baffle-box 13 is provided with secondary oxidation blower fan 14 and secondary agitator 15.
Be positioned at smoke inlet 18 bottom in described absorption tower 1 and be provided with stair oxidation pond 2, described stair oxidation pond 2 is connected with one-level spraying layer 4 by primary cycle pump 11, described stair oxidation pond 2 is also provided with stair oxidation blower fan 9 and first mixer 10, the bottom in described stair oxidation pond 2 is provided with one-level excavationg pump 12, described slurries baffle-box 13 top is connected with stair oxidation pond 2 by overflow pipe 26, described slurries baffle-box 13 bottom is connected with secondary excavationg pump 20, described secondary excavationg pump 20 is connected with stock tank rotational flow station 19, and described stock tank rotational flow station 19 is connected with overflow pipe 26.
The lower 4.3-5.3 of primary cycle pH value, ensure the solution absorption of desulfurizing agent, and generate the gypsum of high-quality, the higher 5.8-6.4 of secondary cycle pH value, can ensure higher desulfuration efficiency and lower liquid-gas ratio, on liquid dish 5, ventilating column 23 is uniformly distributed, and quantity and size can adjust according to the diameter on absorption tower 1, smoke distribution can be made more even, realize higher desulfuration efficiency.
Flue gas enters absorption tower 1 from smoke inlet 18, first through spiral board 3, form whirlwind effectively to mix with the slurries that one-level spraying layer sprays, carry out dust-removal and desulfurizing, then flue gas continues to rise, by the ventilating column 23 of liquid dish 5, the slurries that secondary spraying layer 6 sprays drop on slurries baffle plate 24 and form liquid curtain, carry out dust-removal and desulfurizing, then mix with the slurries that secondary spraying layer sprays by the flue gas of ventilating column 23 through liquid curtain, after demister 7, discharge from exhanst gas outlet 8.
The foregoing is only specific embodiment of the utility model, but technical characteristic of the present utility model is not limited thereto, any those skilled in the art is in field of the present utility model, and the change done or modification are all encompassed among the scope of the claims of the present utility model.
Claims (6)
1. the desulfation dust-extraction device with eddy flow mixing, comprise absorption tower (1), described absorption tower (1) bottom is provided with smoke inlet (18), described absorption tower (1) top is provided with exhanst gas outlet (8), it is characterized in that: by being provided with spiral board (3), one-level spraying layer (4), liquid dish (5), secondary spraying layer (6) and demister (7) in absorption tower, flow of flue gas direction (1) successively;
Described spiral board (3) has the through hole (17) of truncated cone-shaped, the larger one end of described through hole (17), the sidewall of described through hole (17) is evenly equipped with some clockwise or counterclockwise helicla flutes (21) upward; Described liquid dish (5) and absorption tower (1) madial wall are tightly connected, described liquid dish (5) is provided with funnelform liquid collecting hole (22), described liquid dish (5) is provided with ventilating column (23) protruding upward, and described ventilating column (23) is provided with slurries baffle plate (24).
2. as claimed in claim 1 a kind of with eddy flow mixing desulfation dust-extraction device, it is characterized in that: absorption tower (1) is also provided with slurries baffle-box (13) outward, the liquid collecting hole (22) of liquid dish (5) is connected by gravity line (25) with slurries baffle-box (13), and described slurries baffle-box (13) is connected with secondary cycle pump (16) for secondary spraying layer (6) feed flow.
3. as claimed in claim 2 a kind of with eddy flow mixing desulfation dust-extraction device, it is characterized in that: described slurries baffle-box (13) is provided with secondary oxidation blower fan (14) and secondary agitator (15).
4. as claimed in claim 2 a kind of with eddy flow mixing desulfation dust-extraction device, it is characterized in that: be positioned at smoke inlet (18) bottom in described absorption tower (1) and be provided with stair oxidation pond (2), described stair oxidation pond (2) is connected with one-level spraying layer (4) by primary cycle pump (11).
5. as claimed in claim 4 a kind of with eddy flow mixing desulfation dust-extraction device, it is characterized in that: described stair oxidation pond (2) is also provided with stair oxidation blower fan (9) and first mixer (10), the bottom of described stair oxidation pond (2) is provided with one-level excavationg pump (12).
6. as claimed in claim 4 a kind of with eddy flow mixing desulfation dust-extraction device, it is characterized in that: described slurries baffle-box (13) top is connected with stair oxidation pond (2) by overflow pipe (26), described slurries baffle-box (13) bottom is connected with secondary excavationg pump (20), described secondary excavationg pump (20) is connected with stock tank rotational flow station (19), and described stock tank rotational flow station (19) is connected with overflow pipe (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520401541.5U CN204973480U (en) | 2015-06-10 | 2015-06-10 | Desulfurization dust collector with whirl mixes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520401541.5U CN204973480U (en) | 2015-06-10 | 2015-06-10 | Desulfurization dust collector with whirl mixes |
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| CN204973480U true CN204973480U (en) | 2016-01-20 |
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|---|---|---|---|
| CN201520401541.5U Active CN204973480U (en) | 2015-06-10 | 2015-06-10 | Desulfurization dust collector with whirl mixes |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512695A (en) * | 2017-01-25 | 2017-03-22 | 大连铭晟环保设备有限公司 | Desulfurization and dust removing tower and flue gas purifying equipment |
| CN108126509A (en) * | 2018-01-04 | 2018-06-08 | 台鹰环境工程有限公司 | High-efficiency desulfurization smoke distributing equipment |
| CN109589736A (en) * | 2019-01-09 | 2019-04-09 | 交通运输部天津水运工程科学研究所 | A kind of air inlet return water integral type Environmental-protecting dust-removing device |
| CN110124501A (en) * | 2019-05-17 | 2019-08-16 | 中国神华能源股份有限公司 | Flue gas purification system and method |
| CN113082919A (en) * | 2021-03-29 | 2021-07-09 | 北京中航天业科技有限公司 | Efficient wet dust removal device for steel slag treatment workshop |
| CN114699869A (en) * | 2022-06-01 | 2022-07-05 | 中航超能(苏州)科技有限公司 | Desulfurizing tower air current distribution device with air purification effect |
-
2015
- 2015-06-10 CN CN201520401541.5U patent/CN204973480U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512695A (en) * | 2017-01-25 | 2017-03-22 | 大连铭晟环保设备有限公司 | Desulfurization and dust removing tower and flue gas purifying equipment |
| CN108126509A (en) * | 2018-01-04 | 2018-06-08 | 台鹰环境工程有限公司 | High-efficiency desulfurization smoke distributing equipment |
| CN109589736A (en) * | 2019-01-09 | 2019-04-09 | 交通运输部天津水运工程科学研究所 | A kind of air inlet return water integral type Environmental-protecting dust-removing device |
| CN110124501A (en) * | 2019-05-17 | 2019-08-16 | 中国神华能源股份有限公司 | Flue gas purification system and method |
| CN113082919A (en) * | 2021-03-29 | 2021-07-09 | 北京中航天业科技有限公司 | Efficient wet dust removal device for steel slag treatment workshop |
| CN114699869A (en) * | 2022-06-01 | 2022-07-05 | 中航超能(苏州)科技有限公司 | Desulfurizing tower air current distribution device with air purification effect |
| CN114699869B (en) * | 2022-06-01 | 2022-08-26 | 中航超能(苏州)科技有限公司 | Desulfurizing tower air current distribution device with air purification effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201009 Address after: 311800 No. 88 Wangyun Road, Chengguan Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: ZHEJIANG FEIDA ENVIRONMENTAL SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 311800 Zhejiang city of Shaoxing province Zhuji City, Wang Yun Lu No. 88 Patentee before: ZHEJIANG FEIDA ENVIRONMENTAL SCIENCE & TECHNOLOGYCO., Ltd. Patentee before: ZHEJIANG FEIDA ENVIRONMENTAL SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |