CN105536445A - Desulfurizing and dedusting device - Google Patents
Desulfurizing and dedusting device Download PDFInfo
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- CN105536445A CN105536445A CN201610100546.3A CN201610100546A CN105536445A CN 105536445 A CN105536445 A CN 105536445A CN 201610100546 A CN201610100546 A CN 201610100546A CN 105536445 A CN105536445 A CN 105536445A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
- B01D47/063—Spray cleaning with two or more jets impinging against each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
A desulfurizing and dedusting device comprises a washing absorption tower, wherein a neutralization reactor, an aeration tank, an intermediate tank, rotational flow concentration equipment and a circulating water pool are sequentially connected in rear of the washing absorption tower. The washing absorption tower is composed of a washing tower, a main tower and an auxiliary tower, wherein the main tower and the auxiliary tower are connected through a gap bridge, and a flue gas inlet and a spray and atomization system are arranged at the top of the washing tower; at least one set of front partition wall and rear partition wall arrayed at intervals is arranged in the washing tower, the bottom of each front partition wall is higher than a supporting column of the corresponding rear partition wall, rhombic pressurizing columns are arranged on among the side wall, the front partition walls and the rear partition walls of the washing tower, the washing tower is filled with washing water, and a flue gas outlet communicated with the main tower is formed in one side of the washing tower. The desulfurizing and dedusting device is high in dedusting and desulfurizing efficiency and long in service life of equipment; the consumption of neutral washing absorption section water is reduced by over 20%, the dedusting rate of flue gas reaches up to 85% or above, the desulfurizing rate reaches up to 85% or above, and desulfurizing and dedusting cost of flue gas treatment is reduced by 20% or more. The occupied area of the washing absorption tower is reduced by 20% or more, and the height is reduced by 40% or more.
Description
Technical field
The present invention relates to a kind of flue gas processing device, especially relate to a kind of desulfation dust-extraction device for the treatment of boiler smoke.
Background technology
Current boiler fume desulfurizing method adopts wet dedusting desulfurization mostly.
Traditional wet desulfurizing process, utilizes alkaline desulfurizing agent in reaction unit (mixing, washing facility) substantially first by the SO in flue gas
2neutralization, makes SO
2deviate from from flue gas and enter in recirculated water in a salt form, and then carry out solid-liquor separation, reach desulfurization object, flue gas is purified.The subject matter that this technique exists: one is that alkaline matter consumption is large, and the operating cost for the treatment of apparatus is high, and bed drain purge is large, easy blocking pipe; Two is in actual applications, management difficulty is large, be difficult to add alkaline desulfurizing agent in time, water in a device circulation time acidity constantly increases, pH value constantly reduces even reduces to 1, desulfuration efficiency constantly declines, and makes acidic circulation water cause heavy corrosion to equipment and water pump pipeline etc., causes device damage not use.
Secondly, CN102151480A discloses a kind of feeding by boiler smoke in conventional washing absorption tower with neutral water washing absorption SO
2, then absorb SO
2acid water neutralize, then carry out solid-liquor separation.But boiler flue gas desulfurization device disclosed in this patent, comprises washing absorption tower, after washing absorption tower, be connected with neutralization reactor, aeration tank, intermediate pool, eddy flow concentrator, circulating water pool in turn; Washing absorption tower is made up of the venturi shower connected successively, spiral washer, king-tower, secondary tower, wherein the smoke outlet tube of venturi shower is communicated with spiral washer, the smoke outlet tube of spiral washer is communicated with the bottom of king-tower, the flue at king-tower top is communicated with secondary tower, spiral washer, king-tower are connected with neutralization reactor with the drainpipe of secondary tower, and circulating water pool is connected by the water inlet of water pipe with venturi spray system, spiral washer spray system, king-tower spray system again.The cleaning dust of the washing absorption tower of this boiler flue gas desulfurization device is relative with desulfurized effect poor, and the desulfurization and dedusting difficulty that result in follow up device increases, and the water consumption of equipment is higher.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provides a kind of structure simple, the desulfation dust-extraction device that desulfurization dust-removing efficiency is high, treatment quantity is large.
The technical solution adopted for the present invention to solve the technical problems is: a kind of desulfation dust-extraction device, comprises washing absorption tower, is connected with neutralization reactor, aeration tank, intermediate pool, eddy flow concentrator and circulating water pool after washing absorption tower in turn; Described washing absorption tower by scrubbing tower and by pass a bridge connect king-tower and secondary tower form; Described scrubbing tower top is provided with smoke inlet and spray atomizing system; At least one group of spaced front partition wall and rear partition wall is provided with, preferably 1 ~ 4 group in described scrubbing tower; The bottom of described front partition wall is higher than the support column of rear partition wall; Described scrubbing tower sidewall, between front partition wall and rear partition wall, be provided with rhombus supercharging post; Washings are filled with in described scrubbing tower; The side of described scrubbing tower is provided with the exhanst gas outlet be communicated with king-tower.
Further, the quantity of described rhombus supercharging post is 1 ~ 3 group.
Further, described rhombus supercharging post is made up of the rhombus column of at least 2 spacing distance≤10cm, makes flue gas by the speed >=35m/s of rhombus supercharging post throat; Described rhombus column is installed in scrubbing tower by the mode that its diagonal is vertical with wash tower bottoms, and preferably, the side of rhombus column and scrubbing tower sidewall are 45 ° and install.
Further, 6 ~ 9cm is spaced apart between described rhombus supercharging post neighboring diamonds post.
Further, the upper liquid level of described washings bottom rear partition wall support column and front partition wall between, be provided with gas, water separating system bottom washings.
Further, described scrubbing tower is provided with tube for removing ash near the side of smoke inlet, and its relative side offers ash hole, and ash hole is provided with water seal arrangement.
Further, be provided with spray equipment in described king-tower, spray equipment is positioned at the top of smoke inlet.
Further, described secondary tower middle and upper part is provided with spiral dewaterer.
Further, described eddy flow concentrator is made up of the second cyclone of connecting.
Traditional wet desulfurizing process neutral and alkali material consumption is large, is because coal not only produces the SO consuming alkali in combustion
2, also produce a large amount of CO
2same consumption alkali, and consumption alkali number is greater than SO
2, the calcium sulfite generated in desulphurization reaction, calcium sulfate and calcium carbonate are all insoluble in water, and forming sediment will separate from doctor solution (recirculated water), so cause calcium hydroxide consumption many, bed drain purge is large.
A kind of desulfation dust-extraction device of the present invention, utilize neutral detergent water different with the degree of absorption of sulfur dioxide to the carbon dioxide in flue gas, i.e. carbon dioxide and the sulfur dioxide different solubility in water, sulfur dioxide is removed, by adopting in washing absorption section rhombus supercharging post and spray atomizing system to combine, accelerating flue gas and mixing between water smoke, and then improving the clearance of dust and sulfur dioxide in flue gas, reduce the water consumption of washing absorption tower, reduce the operating cost of flue gas ash removal.
After being washed by neutral water again, carbon dioxide and sulfur dioxide being only absorbed by the water in various degree, then with alkali lye, the acid generated is neutralized, finally oxidizing and crystallizing is carried out to the calcium salt generated, obtain gypsum.Gypsum is transported outward, can as raw material of industry etc.
Due to neutral detergent water dominant absorption sulfur dioxide, in and in operation the alkaline matter that uses greatly reduce, and sulphite and the sulfate of neutralization reaction generation is not comprised from the acid water that washing absorption tower is discharged, decrease blocking pipe and possibility, at special neutralization reactor, neutralization operation carried out to sulfur-bearing discharge water convenient, easily control.
The beneficial effect of a kind of desulfation dust-extraction device of the present invention: this desulfation dust-extraction device adopts neutral water sulfur dioxide absorption (neutral detergent absorbs-in and desulfurization) treatment process, when not increasing equipment investment, dust-removal and desulfurizing efficiency is high, effective (dust removal efficiency>=99.8%, dust concentration < 50mg/m3; Desulfurization degree>=99.0%, SO
2< 200mg/m3), flue gas lingemann blackness I grade), desulfurization and dedusting expense low (sulfur dioxide removal expense≤0.25 yuan/kg), service life of equipment long (reaching more than 30 years).
For l0t/h boiler, compared with boiler flue gas desulfurization device disclosed in CN102151480A, the consumption of neutral detergent absorber portion water reduces more than 20% (up to 30%), and its to the dust removal efficiency of flue gas up to more than 85% (being up to 92%), desulfurization degree is up to more than 85% (being up to 90%); The operating cost of fume treatment reduces more than 20%.The floor space of the washing absorption tower that neutral detergent absorber portion adopts reduces by more than 20%, height reduction more than 42%.
Accompanying drawing explanation
Fig. 1-be the structural representation of a kind of desulfation dust-extraction device of the present invention;
Fig. 2-be the structural representation of washing absorption tower in Fig. 1;
Fig. 3-for the A in Fig. 2 is to schematic diagram;
Fig. 4-be the structural representation of washing absorption tower in embodiment 2 one kinds of desulfation dust-extraction devices.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
embodiment 1
With reference to Fig. 1 ~ 3, a kind of desulfation dust-extraction device, comprises washing absorption tower 1, is connected with neutralization reactor 2, aeration tank 3, intermediate pool 4, eddy flow concentrator and circulating water pool 14 after washing absorption tower 1 in turn; Described washing absorption tower 1 is made up of scrubbing tower 108 and the king-tower 109 connected by gap bridge 111 and secondary tower 112; Described scrubbing tower 108 top is provided with smoke inlet 107 and spray atomizing system 106, and described smoke inlet 107 is between scrubbing tower 108 sidewall and front partition wall 104; Be provided with one group of spaced front partition wall 104 and rear partition wall 103 in described scrubbing tower 108, the bottom of described front partition wall 104 is higher than the support column of rear partition wall 103; Be provided with 1 group of rhombus supercharging post 105 between described scrubbing tower 108 sidewall, front partition wall 104, between front partition wall 104 and rear partition wall 103, between rear partition wall 103 and scrubbing tower 108 sidewall, be provided with 2 groups of rhombus supercharging posts 105; Washings 101 are filled with in described scrubbing tower 108; The side of described scrubbing tower 108 is provided with the exhanst gas outlet 113 be communicated with king-tower 109.
The upper liquid level of described washings 101 bottom rear partition wall 103 support column and front partition wall 104 between, be provided with gas, water separating system bottom washings 101.
With reference to Fig. 2, the rhombus column that described rhombus supercharging post 105 is 8cm by 4 spacing distances forms, and rhombus column adopts numb stone or granite to make, and makes flue gas by the speed >=45m/s of rhombus supercharging post 105 throat; Described rhombus column is installed in scrubbing tower 108 by the mode of its diagonal and scrubbing tower 108 bottom vertical, and the side of rhombus column and scrubbing tower 108 sidewall are 45 ° installs.
With reference to Fig. 3, described scrubbing tower 108 is provided with tube for removing ash 115 near the side of smoke inlet 107, and its relative side offers ash hole 116, and ash hole 116 is provided with water seal arrangement 102.
Be provided with spray equipment 110 in described king-tower 109, spray equipment 110 is positioned at the top of smoke inlet 107.
Described secondary tower 112 middle and upper part is provided with spiral dewaterer 114.
Described eddy flow concentrator is made up of the second cyclone 7 of connecting.
embodiment 2
With reference to Fig. 1 and Fig. 4, a kind of desulfation dust-extraction device, comprises washing absorption tower 1, is connected with neutralization reactor 2, aeration tank 3, intermediate pool 4, eddy flow concentrator and circulating water pool 14 after washing absorption tower 1 in turn; Described washing absorption tower 1 is made up of scrubbing tower 108 and the king-tower 109 connected by gap bridge 111 and secondary tower 112; Described scrubbing tower 108 top is provided with smoke inlet 107 and spray atomizing system 106, and smoke inlet 107 is before scrubbing tower 108 sidewall and first between partition wall 104; Be provided with 2 groups of spaced front partition walls 104 and rear partition wall 103 in described scrubbing tower 108, the bottom of described front partition wall 104 is higher than the support column of rear partition wall 103; Be provided with 1 group of rhombus supercharging post 105 between partition wall 104 before described scrubbing tower 108 sidewall and first, between front partition wall 104 and rear partition wall 103, after second, be provided with 2 groups of rhombus supercharging post 105(between partition wall 103 and scrubbing tower 108 sidewall as shown in Figure 4); Washings 101 are filled with in described scrubbing tower 108; The side of described scrubbing tower 108 is provided with the exhanst gas outlet 113 be communicated with king-tower 109.
The upper liquid level of described washings 101 bottom rear partition wall 103 support column and front partition wall 104 between, upper liquid level apart from the bottom 15 ~ 25cm of front partition wall 104, as 20cm, the grey water droplet of the dust-laden that the particle that flue gas is formed after rhombus supercharging post 105 is larger and containing S0
2enter in washings 101 under the effect of the inertia force that fine grained water droplet produces at high-speed motion and gravity, absorbed by washings 101 and remove, the gap of portion gas from washings 101 between liquid level and front partition wall 104 is by entering between front partition wall 104 and rear partition wall 103, by being arranged on the staggered immixture of rhombus supercharging post 105 between front partition wall 104 and rear partition wall 103 and spray atomizing system 106, remove the dust in flue gas and S0 further
2.Gas, water separating system is provided with bottom washings 101.
The rhombus column that described rhombus supercharging post 105 is 6cm by 3 spacing distances forms, and makes flue gas reach 50m/s by the speed of rhombus supercharging post 105 throat; Described rhombus column is installed in scrubbing tower 108 by the mode of its diagonal and scrubbing tower 108 bottom vertical.
Described scrubbing tower 108 is provided with tube for removing ash 115 near the side of smoke inlet 107, and its relative side offers ash hole 116, and ash hole 116 is provided with water seal arrangement 102.
Be provided with spray equipment 110 in described king-tower 109, spray equipment 110 is positioned at the top of smoke inlet 107.
Described secondary tower 112 middle and upper part is provided with spiral dewaterer 114.
Described eddy flow concentrator is made up of the second cyclone 7 of connecting.
Operation principle and the using method of a kind of desulfation dust-extraction device of the present invention are: flue gas (boiler, blast furnace, converting furnace, the various kiln gas such as incinerator) the rhombus supercharging post 105 of impact section is entered through smoke inlet 107, accelerate gradually in scrubbing tower 108, during arrival throats end, flow velocity is up to 35 ~ 50m/s, the washings 101 that spray atomizing system 106 high pressure sprays into are atomized into minimum water droplet by high velocity smoke and contact with each other with the water-soluble substances of high-speed motion, the air film adhered to around these minimum water droplets and grit is broken through, when water smoke and flue gas enter the diffuser of scrubbing tower 108, air velocity reduces, take grit as the effect quickening of the nuclei of condensation, simultaneously, part aqueous substance dissolves in flue gas is in water smoke, flue-gas temperature also reduces greatly.Along with the movement of flue gas, flue gas after washing enters in the washings 101 bottom scrubbing tower 108, the impact between washings 101 and flue gas grit and be arranged on gas in scrubbing tower 108 bottom wash water 101, water separating system centrifugal force by flue gas be partly dissolved SO
2water smoke be separated, desulfurization cleaning solution after separation enters bottom discharge pipe, gas from bottom to top passes the rhombus supercharging post 105 of front partition wall 104 opposite side through washings 101, the fog-like liquid of spray atomizing system 106 and flue gas be staggered reverse flow on rhombus supercharging post 105, undertaken absorbing, mixing by gas sparging, current constantly supplement and are atomized rear mixing with flue gas, to the washing absorption ultrahigh in efficiency of flue gas; Scrubbing tower 108 is partly dissolved SO by flue gas again
2water smoke separate and enter drainpipe; Flue gas enters rhombus supercharging post 105 between rear partition wall 103 and scrubbing tower 108 sidewall again and spray atomizing system 106 carries out spray washing, the pollutant being dissolved in water in flue gas flow to drainpipe with water and discharges, flue gas carries out spray washing after entering king-tower 109 again, then, the spiral dewaterer 114 entered bottom secondary tower 112 washs flue gas, and the clean flue gas spiral dewaterer 114 entered bottom secondary cylinder dewaters and discharges.The combination of rhombus supercharging post 105 and spray atomizing system 106 in scrubbing tower 108, mainly removes the grey water droplet of the larger dust-laden of degranulation and contains S0
2fine grained water droplet, after the carrying out washing treatment of flue gas, in flue gas more than 85% water-soluble containing S0
2fine grained water droplet (clearance in its this stage is up to 92%, desulfation dust-extraction device as described in Example 2) is removed, and the dust granules of particle more than 2 μm is removed.
Neutralization reactor 2 is entered by airtight water pipe after the discharge water (containing sulfur dioxide) of scrubbing tower 108, king-tower 109 and secondary tower 112 converges, add alkali system add pulverized limestone by the dog-house 201 of neutralization reactor 2 and stirred by mixing plant 202, lime and sulfur dioxide react and form calcium sulfate and part calcium sulfite forms emulsion.
The emulsion of neutralization reactor 2 enters aeration tank 3 and is oxidized, and aeration tank 3 employing comprises aeration tube, the aerator 301 of aeration head carries out aeration, by 2 roots blower air feed.
Emulsion enters intermediate pool 4 after the aeration of aeration tank 3, intermediate pool 4 is discharged gypsum slurries and is sent into eddy flow concentrator by the first slush pump 6 by the first pipeline 21 and concentrate, eddy flow concentrator adopts second cyclone composition, gypsum slurries enters the first calcium plaster tank 11 and pumps into second cyclone 7 with the second slush pump 12 and again concentrate after one-level cyclone 10 is concentrated, concentrated rear slurry is from flowing into the second calcium plaster tank 8, one, second cyclone 10, the supernatant of 7 enters circulating water pool 14 by second pipe 20, supernatant is delivered to washing absorption tower 1 by water pump 5 by water pipe 15 and is recycled after circulating water pool 14 is clarified.
The slurries of the second calcium plaster tank 8 deliver to belt filter press 18 (vacuum belt dewaterer) Separation of Solid and Liquid with the 3rd slush pump 9.Slip is added by feeding device, under the vacuum action that vavuum pump 16 and vacuum tank 17 produce, solid phase particles is trapped on filter cloth by filter cloth and forms filter cake, and moves forward with filter cloth rubber strip, completes filtration, Washing of Filter Cake successively, blots, slag dumping, filter cloth regeneration etc. work continuously.Comprehensive utilization transported by the filter residue transfer car(buggy) 19 that belt filter press 18 unloads.
The calcium plaster that circulating water pool 14 precipitates can send one-level cyclone 10 by the 4th slush pump 13 back to by the 3rd pipeline 22.Intermediate pool 4 and circulating water pool 14 establish overflow pipe B, C to accident pool respectively.
A kind of desulfation dust-extraction device of the present invention is applied in the various de-suphur of kiln fume dedusting projects such as multiple boiler, blast furnace, converting furnace, incinerator, and operation conditions is good,
A kind of desulfation dust-extraction device of the present invention, according to the size for the treatment of quantity, can also be provided with 3 groups or 4 groups of spaced front partition walls 104 and rear partition wall 103 in scrubbing tower 108 in the washing absorption tower 1 of desulfation dust-extraction device; The rhombus column spacing distance of the rhombus supercharging post 105 in scrubbing tower 108 can also be 7cm, 7.5cm, 8.5cm, 8.8cm, 9.0cm or 10cm.The change of above technical characteristic, those skilled in the art is appreciated that by text description and implements, therefore is no longer separately illustrated as accompanying drawing.
Claims (10)
1. a desulfation dust-extraction device, comprises washing absorption tower, is connected with neutralization reactor, aeration tank, intermediate pool, eddy flow concentrator and circulating water pool after washing absorption tower in turn; It is characterized in that, described washing absorption tower by scrubbing tower and by pass a bridge connect king-tower and secondary tower form; Described scrubbing tower top is provided with smoke inlet and spray atomizing system; At least one group of spaced front partition wall and rear partition wall is provided with in described scrubbing tower; The bottom of described front partition wall is higher than the support column of rear partition wall; Described scrubbing tower sidewall, between front partition wall and rear partition wall, be provided with rhombus supercharging post; Washings are filled with in described scrubbing tower; The side of described scrubbing tower is provided with the exhanst gas outlet be communicated with king-tower.
2. desulfation dust-extraction device as claimed in claim 1, it is characterized in that, the quantity of described rhombus supercharging post is 1 ~ 3 group.
3. desulfation dust-extraction device as claimed in claim 1 or 2, it is characterized in that, described rhombus supercharging post is made up of the rhombus column of at least 2 spacing distance≤10cm, makes flue gas by the speed >=35m/s of rhombus supercharging post throat; Described rhombus column is installed in scrubbing tower by the mode that its diagonal is vertical with wash tower bottoms.
4. desulfation dust-extraction device as claimed in claim 3, it is characterized in that, the side of described rhombus column and scrubbing tower sidewall are 45 ° and install.
5. desulfation dust-extraction device as claimed in claim 3, is characterized in that, is spaced apart 6 ~ 9cm between described rhombus supercharging post neighboring diamonds post.
6. desulfation dust-extraction device as claimed in claim 1 or 2, is characterized in that, the upper liquid level of described washings bottom rear partition wall support column and front partition wall between, be provided with gas, water separating system bottom washings.
7. desulfation dust-extraction device as claimed in claim 1 or 2, it is characterized in that, described scrubbing tower is provided with tube for removing ash near the side of smoke inlet, and its relative side offers ash hole, and ash hole is provided with water seal arrangement.
8. desulfation dust-extraction device as claimed in claim 1 or 2, it is characterized in that, be provided with spray equipment in described king-tower, spray equipment is positioned at the top of smoke inlet.
9. desulfation dust-extraction device as claimed in claim 1 or 2, it is characterized in that, described secondary tower middle and upper part is provided with spiral dewaterer.
10. desulfation dust-extraction device as claimed in claim 1 or 2, it is characterized in that, described eddy flow concentrator is made up of the second cyclone of connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610100546.3A CN105536445A (en) | 2016-02-24 | 2016-02-24 | Desulfurizing and dedusting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610100546.3A CN105536445A (en) | 2016-02-24 | 2016-02-24 | Desulfurizing and dedusting device |
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| CN105536445A true CN105536445A (en) | 2016-05-04 |
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| CN201610100546.3A Pending CN105536445A (en) | 2016-02-24 | 2016-02-24 | Desulfurizing and dedusting device |
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2016
- 2016-02-24 CN CN201610100546.3A patent/CN105536445A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1133352A (en) * | 1997-07-24 | 1999-02-09 | Ishikawajima Harima Heavy Ind Co Ltd | Absorption tower for flue gas desulfurization equipment |
| CN101579601A (en) * | 2009-06-12 | 2009-11-18 | 山西晋丰环保工程设计有限公司 | Venturi ring efficient mass transfer layer absorption tower |
| CN102151480A (en) * | 2011-04-29 | 2011-08-17 | 长沙华泰环保设备工程有限公司 | Boiler flue gas desulfurization method and device |
| CN204220000U (en) * | 2014-11-05 | 2015-03-25 | 福建省邵武德贤化工有限公司 | A kind of new coating air cleaning unit |
| CN204768208U (en) * | 2015-01-30 | 2015-11-18 | 邱吉康 | Flue gas to chain boiler carries out SOx/NOx control integration system |
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Application publication date: 20160504 |