CN205461555U - A washing device for flue gas desulfurization and dust removal - Google Patents
A washing device for flue gas desulfurization and dust removal Download PDFInfo
- Publication number
- CN205461555U CN205461555U CN201620137961.1U CN201620137961U CN205461555U CN 205461555 U CN205461555 U CN 205461555U CN 201620137961 U CN201620137961 U CN 201620137961U CN 205461555 U CN205461555 U CN 205461555U
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- Prior art keywords
- flue gas
- partition wall
- tower body
- rhombus
- dedusting
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Abstract
The utility model provides a washing device for flue gas desulfurization and dust removal, includes a tower body, the tower body top is equipped with the flue gas entry and sprays atomizing system, be equipped with the preceding partition wall and back partition wall of at least a set of interval arrangement in the tower body, the bottom of preceding partition wall is higher than the support column of back partition wall, be equipped with rhombus pressure boost post between tower body side wall and preceding partition wall, the back partition wall, tower body underfill has washing water, one side of tower body is equipped with the exhanst gas outlet. This a washing device for flue gas desulfurization and dust removal, simple structure, long service life, the desulfurization dust collection efficiency is high, and the flue gas handling capacity is big, and the desulfurated water consumption of unit volume flue gas scrubbing dust collection is low, and the running cost is low.
Description
Technical field
This utility model relates to a kind of flue gas processing device, especially relates to a kind of wash mill for flue gas desulfurization and dedusting.
Background technology
Boiler fume desulfurizing method uses wet dedusting desulfurization mostly at present.
Traditional wet desulfurizing process, substantially utilizes alkalescence desulfurizing agent first by the SO in flue gas in reaction unit (mixing, washing facility)2Neutralize, make SO2Deviate from from flue gas and enter in recirculated water in a salt form, carry out solid-liquor separation the most again, reach desulfurization purpose, make flue gas be purified.The subject matter that this technique exists: one is that alkaline matter consumes greatly, and the operating cost of processing means is high, and bed drain purge is big, easily blocks pipeline；Two is in actual applications, management difficulty is big, it is difficult to add alkalescence desulfurizing agent in time, when water circulates in a device, acidity is continuously increased, pH value constantly reduces even reduces to 1, desulfuration efficiency constantly declines, and makes acidic circulation water that equipment and water pump pipeline etc. are caused heavy corrosion, causes device damage not use.
Secondly, CN 102151480A discloses a kind of feeding by boiler smoke in conventional wash absorption equipment with neutral water washing absorption SO2, re-absorption SO2Acid water be neutralized, then carry out solid-liquor separation.But the boiler flue gas desulfurization device disclosed in this patent, including washing absorption equipment, is connected with neutralization reactor, Aeration tank, intermediate pool, eddy flow concentrator, circulating water pool in turn after washing absorption equipment；Washing absorption equipment is made up of the venturi shower being sequentially connected with, spiral scrubber, king-tower, secondary tower, wherein the smoke outlet tube of venturi shower connects with spiral scrubber, the smoke outlet tube of spiral scrubber connects with the bottom of king-tower, the flue at king-tower top connects with secondary tower, the drain pipe of spiral scrubber, king-tower and secondary tower is connected with neutralization reactor, and circulating water pool is connected with venturi spray system, spiral scrubber spray system, the water inlet of king-tower spray system by water pipe again.Cleaning dust and the desulfurized effect of the washing absorption equipment of this boiler flue gas desulfurization device are relatively poor, and the desulfurization and dedusting difficulty that result in follow up device increases, and its water consumption is higher.
CN 102671489 A discloses a kind of dust-removing desulfurizing device, including cylindrical housings, it is arranged on the air inlet pipe on lower housing portion sidewall, sewage pipe and the gas outlet being arranged on housing upper, in described housing, middle part is provided with filter material layer, the top of described filter material layer is provided with a number of water injector, described water injector is communicated to outside housing through housing sidewall by pipeline, described water injector be provided above be dehydrated layer, the two ends of described filter material layer are provided with the mesh-supported plate matched with housing cross-sectional, it is characterized in that: described enclosure interior is provided with rotating shaft, one end of described rotating shaft is fixing with the centre of upper and lower two mesh-supported plates to be connected, the other end of described rotating shaft is connected through housing bottom with drive mechanism, it is provided with bearing between described upper and lower two mesh-supported plates and rotating shaft.The water consumption of this dust-removing desulfurizing device and power consumption are relatively big, and treatment quantity is on the low side.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, and desulfurization dust-removing efficiency is high, treatment quantity is big, the low wash mill for flue gas desulfurization and dedusting of water consumption.
This utility model solves its technical problem and be the technical scheme is that a kind of wash mill for flue gas desulfurization and dedusting, including a tower body；Described tower body top is provided with smoke inlet and spray atomizing system；The spaced front partition wall of least one set and rear partition wall it is provided with in described tower body, preferably 1 ~ 4 group；The bottom of described front partition wall is higher than the support column of rear partition wall；Rhombus supercharging post it is provided with between described tower body sidewall and front partition wall, rear partition wall；Described tower body underfill has washings；The side of described tower body is provided with exhanst gas outlet.
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；Described rhombus column is installed in scrubbing tower by the way of its diagonal is vertical with wash tower bottoms, it is preferable that the side of rhombus column and scrubbing tower sidewall are 45 ° of installations.
Further, it is spaced apart 6 ~ 9cm between described rhombus supercharging post neighboring diamonds post.
Further, between the upper liquid level of described washings is bottom rear partition wall support column and front partition wall, gas and water piece-rate system bottom washings, it is provided with.
Further, described tower body 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, described washings are neutral water or pH > alkaline water of 9.
Operation principle and the using method of a kind of wash mill for flue gas desulfurization and dedusting of this utility model be: flue gas (boiler, blast furnace, converting furnace, the various kiln gas such as incinerator) through smoke inlet enter tower body impact section rhombus supercharging post, ramp up in tower body, when arriving throats end, flow velocity is up to 35～50m/s, the washings that spray atomizing system high pressure sprays into are atomized into minimum water droplet by high velocity smoke and the water-soluble substances with high-speed motion contacts with each other, around these minimum water droplets and grit, the air film of attachment is broken through, when water smoke and flue gas enter the diffuser of tower body, air velocity reduces, effect with grit as the nuclei of condensation is accelerated, simultaneously, part aqueous material in flue gas is dissolved in water smoke, flue-gas temperature is greatly reduced.Along with the movement of flue gas, the flue gas after washing enters in the washings bottom tower body, impact between washings and flue gas grit and the centrifugal force of gas and water piece-rate system that is arranged in tower body bottom wash water by flue gas be partly dissolved SO2Water smoke separate, desulfurization cleaning mixture after separation enters bottom discharge pipe, gas from bottom to top passes the rhombus supercharging post of front partition wall opposite side through washings, the fog-like liquid of spray atomizing system and flue gas be staggered reverse flow on rhombus supercharging post, carry out absorbing, mixing by gas sparging, current mix with flue gas after constantly supplementing and being atomized, the washing absorption ultrahigh in efficiency to flue gas；Tower body will be partly dissolved SO again in flue gas2Water smoke separate and enter drain pipe；Rhombus supercharging post and spray atomizing system that flue gas is again introduced between rear partition wall and tower body sidewall carry out spray atomizing washing, and the pollutant being dissolved in water in flue gas flow to drain pipe discharge with water, and fume emission is to further flue-gas purification equipment.Rhombus supercharging post and the combination of spray atomizing system in tower body, mainly remove the grey water droplet of the bigger dust-laden of granule and containing S02Fine grained water droplet, after the carrying out washing treatment of flue gas, in flue gas, the water solublity of more than 80% contains S02Fine grained water droplet (clearance in its this stage is up to 86.5%) is removed, and granule dust granules more than 2 μm is removed.
The beneficial effect of a kind of wash mill for flue gas desulfurization and dedusting of this utility model: simple in construction, service life is long, and desulfurization dust-removing efficiency is high, and treatment quantity is big, and the water consumption of unit volume flue gas washing dust-removal and desulfurizing is low, and operating cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of wash mill for flue gas desulfurization and dedusting of this utility model；
Fig. 2 is that the A in Fig. 1 is to schematic diagram；
Fig. 3 is 2 one kinds of structural representations for the wash mill of flue gas desulfurization and dedusting of embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment
1
With reference to Fig. 1, a kind of wash mill for flue gas desulfurization and dedusting, including a tower body 8；Described tower body 8 top is provided with smoke inlet 7 and spray atomizing system 6；Being provided with one group of spaced front partition wall 4 and rear partition wall 3 in described tower body 8, the bottom of described front partition wall 4 is higher than the support column of rear partition wall 3；It is provided with 1 group of rhombus supercharging post 5 between described tower body 8 sidewall, front partition wall 4, between front partition wall 4 and rear partition wall 3, between rear partition wall 3 and tower body 8 sidewall, is provided with 2 groups of rhombus supercharging posts 5；Described tower body 8 underfill has washings 1；The side of described tower body 8 is provided with exhanst gas outlet 9.
Described rhombus supercharging post 5 is made up of the rhombus column of 4 spacing distance 8.5cm；Described rhombus column is installed in scrubbing tower by the way of its diagonal is vertical with wash tower bottoms.
Between the upper liquid level of described washings 1 is bottom rear partition wall 3 support column and front partition wall 4, upper liquid level is apart from the bottom 15 ~ 25cm of front partition wall 4, such as 18cm, and the grey water droplet of the dust-laden that the granule that makes flue gas be formed after rhombus supercharging post 5 is bigger and containing S02Enter in washings 1 under inertia force that fine grained water droplet produces at high-speed motion and the effect of gravity, it is washed water 1 to absorb and remove, portion gas from washings 1 gap between liquid level and front partition wall 4 by entering between front partition wall 4 and rear partition wall 3, by the rhombus supercharging post 5 being arranged between front partition wall 4 and rear partition wall 3 and the staggered immixture of spray atomizing system 6, remove the dust in flue gas and S0 further2.Gas and water piece-rate system it is provided with bottom washings 1.
With reference to Fig. 2, described tower body 8 is provided with tube for removing ash 10 near the side of smoke inlet 7, and its relative side offers ash hole 11, and ash hole 11 is provided with water seal arrangement 2.
Described washings 1 are neutral water.
Embodiment
2
With reference to Fig. 3, a kind of wash mill for flue gas desulfurization and dedusting, including a tower body 8；Described tower body 8 top is provided with smoke inlet 7 and spray atomizing system 6；Being provided with 2 groups of spaced front partition walls 4 and rear partition wall 3 in described tower body 8, the bottom of described front partition wall 4 is higher than the support column of rear partition wall 3；1 group of rhombus supercharging post 5 it is provided with between described tower body 8 sidewall and front partition wall 4, rear partition wall 3；Described tower body 8 underfill has washings 1；The side of described tower body 8 is provided with exhanst gas outlet 9.
Described rhombus supercharging post 5 is made up of the rhombus column of 3 spacing distance 8.0cm；Described rhombus column is installed in scrubbing tower by the way of its diagonal is vertical with wash tower bottoms, and the side of rhombus column is 45 ° of installations with scrubbing tower sidewall.
Between the upper liquid level of described washings 1 is bottom rear partition wall 3 support column and front partition wall 4, bottom washings 1, it is provided with gas and water piece-rate system.
Described tower body 8 is provided with tube for removing ash 10 near the side of smoke inlet 7, and its relative side offers ash hole 11, and ash hole 11 is provided with water seal arrangement 2.
Described washings 1 are the alkaline water of pH > 9.
The operation principle of a kind of wash mill for flue gas desulfurization and dedusting of this utility model and using method: flue gas (boiler, blast furnace, converting furnace, the various kiln gas such as incinerator) the rhombus supercharging post 5 of tower body 8 impact section is entered through smoke inlet 7, ramp up in tower body 8, when arriving throats end, flow velocity is up to 35～50m/s, the washings 1 that spray atomizing system 6 high pressure sprays into are atomized into minimum water droplet by high velocity smoke and the water-soluble substances with high-speed motion contacts with each other, around these minimum water droplets and grit, the air film of attachment is broken through, when water smoke and flue gas enter the diffuser of tower body 8, air velocity reduces, effect with grit as the nuclei of condensation is accelerated, simultaneously, part aqueous material in flue gas is dissolved in water smoke, flue-gas temperature is greatly reduced.Along with the movement of flue gas, the flue gas after washing enters in the washings 1 bottom tower body 8, impact between washings 1 and flue gas grit and the centrifugal force of gas and water piece-rate system that is arranged in tower body 8 bottom wash water 1 by flue gas be partly dissolved SO2Water smoke separate, desulfurization cleaning mixture after separation enters bottom discharge pipe, gas from bottom to top passes the rhombus supercharging post 5 of front partition wall 4 opposite side through washings 1, the fog-like liquid of spray atomizing system 6 and flue gas be staggered reverse flow on rhombus supercharging post 5, carry out absorbing, mixing by gas sparging, current mix with flue gas after constantly supplementing and being atomized, the washing absorption ultrahigh in efficiency to flue gas；Tower body 8 will be partly dissolved SO again in flue gas2Water smoke separate and enter drain pipe；Rhombus supercharging post 5 and spray atomizing system 6 that flue gas is again introduced between rear partition wall 3 and tower body 8 sidewall carry out spray atomizing washing, and the pollutant being dissolved in water in flue gas flow to drain pipe discharge with water, and fume emission is to further flue-gas purification equipment.
Using a kind of wash mill for flue gas desulfurization and dedusting described in embodiment 1, flue gas is rhombus supercharging post 5 and the combination of spray atomizing system 6 in tower body 8, mainly removes the grey water droplet of the bigger dust-laden of granule and containing S02Fine grained water droplet, in flue gas, the water solublity of 82% contains S02Fine grained water droplet is removed, and granule dust granules more than 2 μm is removed.
Using a kind of wash mill for flue gas desulfurization and dedusting described in embodiment 2, flue gas is rhombus supercharging post 5 and the combination of spray atomizing system 6 in tower body 8, mainly removes the grey water droplet of the bigger dust-laden of granule and containing S02Fine grained water droplet, in flue gas, the water solublity of 85.8% contains S02Fine grained water droplet is removed, and granule dust granules more than 2 μm is removed.
A kind of wash mill for flue gas desulfurization and dedusting of this utility model, according to the size for the treatment of quantity, is also provided with 3 groups or 4 groups spaced front partition walls 4 and rear partition wall 3 in tower body 8；The rhombus column spacing distance of the rhombus supercharging post 5 in tower body 8 can also be 6.0cm, 7cm, 7.5cm, 8.0cm, 8.8cm, 9.0cm or 10cm；The change of above technical characteristic, those skilled in the art is described by word and is appreciated that and implements, therefore is the most separately illustrated as accompanying drawing.
Claims (8)
1. the wash mill for flue gas desulfurization and dedusting, it is characterised in that include a tower body；Described tower body top is provided with smoke inlet and spray atomizing system；Being provided with the spaced front partition wall of least one set and rear partition wall in described tower body, the bottom of described front partition wall is higher than the support column of rear partition wall；Rhombus supercharging post it is provided with between described tower body sidewall and front partition wall, rear partition wall；Described tower body underfill has washings；The side of described tower body is provided with exhanst gas outlet.
2. as claimed in claim 1 for the wash mill of flue gas desulfurization and dedusting, it is characterised in that the quantity of described rhombus supercharging post is 1 ~ 3 group.
3. as claimed in claim 1 or 2 for the wash mill of flue gas desulfurization and dedusting, it is characterised in that described rhombus supercharging post is made up of the rhombus column of at least 2 spacing distance≤10cm；Described rhombus column is installed in scrubbing tower by the way of its diagonal is vertical with wash tower bottoms.
4. as claimed in claim 3 for the wash mill of flue gas desulfurization and dedusting, it is characterised in that the side of rhombus column and scrubbing tower sidewall are 45 ° of installations.
5. as claimed in claim 3 for the wash mill of flue gas desulfurization and dedusting, it is characterised in that be spaced apart 6 ~ 9cm between described rhombus supercharging post neighboring diamonds post.
6. as claimed in claim 1 or 2 for the wash mill of flue gas desulfurization and dedusting, it is characterised in that between the upper liquid level of described washings is bottom rear partition wall support column and front partition wall, be provided with gas and water piece-rate system bottom washings.
7. as claimed in claim 1 or 2 for the wash mill of flue gas desulfurization and dedusting, it is characterised in that described tower body 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. as claimed in claim 1 or 2 for the wash mill of flue gas desulfurization and dedusting, it is characterised in that described washings are neutral water or pH > alkaline water of 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620137961.1U CN205461555U (en) | 2016-02-24 | 2016-02-24 | A washing device for flue gas desulfurization and dust removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620137961.1U CN205461555U (en) | 2016-02-24 | 2016-02-24 | A washing device for flue gas desulfurization and dust removal |
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| Publication Number | Publication Date |
|---|---|
| CN205461555U true CN205461555U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620137961.1U Expired - Fee Related CN205461555U (en) | 2016-02-24 | 2016-02-24 | A washing device for flue gas desulfurization and dust removal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110721581A (en) * | 2019-09-17 | 2020-01-24 | 上海蓝魂环保科技有限公司 | Marine seawater desulfurization water-gas mixing tower |
-
2016
- 2016-02-24 CN CN201620137961.1U patent/CN205461555U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110721581A (en) * | 2019-09-17 | 2020-01-24 | 上海蓝魂环保科技有限公司 | Marine seawater desulfurization water-gas mixing tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20190224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |