CN201211461Y - High pressure fine water mist desulfurizing-dusting apparatus - Google Patents
High pressure fine water mist desulfurizing-dusting apparatus Download PDFInfo
- Publication number
- CN201211461Y CN201211461Y CNU2008200710208U CN200820071020U CN201211461Y CN 201211461 Y CN201211461 Y CN 201211461Y CN U2008200710208 U CNU2008200710208 U CN U2008200710208U CN 200820071020 U CN200820071020 U CN 200820071020U CN 201211461 Y CN201211461 Y CN 201211461Y
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- China
- Prior art keywords
- absorption tower
- pipeline
- circulating water
- alkali
- absorption
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000003595 mist Substances 0.000 title claims description 12
- 238000010410 dusting Methods 0.000 title 1
- 238000010521 absorption reaction Methods 0.000 claims abstract description 59
- 239000003513 alkali Substances 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000003818 cinder Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 claims description 2
- 238000006477 desulfuration reaction Methods 0.000 abstract description 10
- 238000001556 precipitation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003517 fume Substances 0.000 abstract 2
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 230000023556 desulfurization Effects 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model relates to a high pressure fine water fog desulfurating and dedusting device, which can effectively solve the problem that the prior desulfurating and dedusting device is singular in function and poor in desulfuration and dedusting effect. A first absorption column is communicated with a fume inlet pipeline, at an air inlet of which an induced draft fan is arranged, and the first absorption column is connected with an outlet end of a high pressure pump on a water inlet pipe through a pipeline. Two absorption columns are connected. A second absorption column is provided with a fume outlet pipeline, and is provided with a demister therein, and is respectively connected with a chimney and a precipitation tank. A fine water fog spray head is arranged inside each absorption column. The bottom of the first absorption column is connected with a clinker chamber. The bottoms of the two absorption columns are connected with the precipitation tank by a tee pipe. The precipitation tank is communicated with an alkali circulating water tank through a lauter tank. A centrifugal pump on the alkali circulating water tank is connected with a dynamic filter, and is connected with the water inlet pipe through a circulating water pipeline. The circulating water pipe is communicated with spraying pipes and the spray heads of the absorption columns. The alkali circulating water tank is provided with an alkali preparation tank. The device is scientific in structure, energy saving, environment-friendly and low in cost, has the combined functions of desulfuration and dedusting, can operate at high effectively for a long time, and has significant economic benefits and social benefits.
Description
One, technical field
The utility model relates to a kind of high-pressure fine water mist desulfurized dust collector.
Two, background technology
Coal-burning boiler such as thermal power plant, iron and steel, metallurgy etc. reduce discharging sulfur dioxide (SO at present
2) main path have: the desulfurizer of kind of technology is in commercialized running or carried out industrial demonstration surplus in the of totally ten for coal washing, lime stone (lime) gypsum wet, sea water desulfuration method, a flue gas recirculation sulfuration bed doctor treatment, electronic beam method desulfurization etc., but China also has quite a few middle-size and small-size desulfation dust-extraction device.The method of the dedusting of coal-burning boiler such as thermal power plant, iron and steel, metallurgy etc. has electric precipitation and bag-type dust.
Lower and the operating cost of the flue gas desulfur device desulfuration efficiency of middle and small burn coal boiler also compares higher, be not suitable for the development trend of the energy-saving and emission-reduction of country's proposition, if coal-burning boiler does not reach national specified discharge standard and will be ordered within a certain time explosion in view of national policy, narrow and smallly use traditional method upgrading difficulty very big again and the enterprise that is using middle-size and small-size desulfation dust-extraction device is often local, and output investment ratio is bigger, maintenance cost is also than higher, so improvement is imperative.
Three, utility model content
At above-mentioned situation, the purpose of the utility model is to provide a kind of novel high-pressure fine water mist desulfurized dust collector, can effectively solve present desulfation dust-extraction device function singleness, the dirt weak effect is taken off in desulfurization, the problem that cost is high, the technical scheme of its solution is, the utility model comprises high-pressure pump, the absorption tower, first absorption tower is communicated with the gas approach pipeline, air-introduced machine is equipped with at the place at gas approach pipeline air inlet, first absorption tower links to each other with the high-pressure pump port of export on the water inlet pipe through pipeline, first absorption tower links to each other with second absorption tower through pipeline, the exhanst gas outlet pipeline is arranged on second absorption tower, in the exhanst gas outlet pipeline demister is housed, and respectively with chimney, stillpot links to each other, first absorption tower, the multi-layer high-voltage fine mist spray head is arranged in second absorption tower, short transverse along tower is placed successively, bottom, first absorption tower links to each other with cinder chamber, first absorption tower is linked to each other with stillpot by three-way pipe with bottom, second absorption tower, stillpot is communicated with the alkali circulating water chennel through filter pocket, on the alkali circulating water chennel outlet conduit centrifugal pump is housed, centrifugal pump links to each other with dynamic filter, and it is continuous with water inlet pipe through circulating water pipeline, circulating water pipeline is connected by the shower and the heavy pressure fine spray shower nozzle of the high-pressure pump port of export on the water inlet pipe with first absorption tower and second absorption tower, is equipped with on the alkali circulating water chennel and joins the alkali groove.The utility model scientific structure, energy-saving and environmental protection integrate desulfurization, dedusting function, and cost reduces with traditional comparing greatly, and can realize long-term efficient running, meeting the energy-saving and environmental protection requirement that country proposes, is a kind of more satisfactory desulfation dust-extraction device, and economic and social benefit is remarkable.
Four, description of drawings
Accompanying drawing is a structure chart of the present utility model.
Five, the specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.
Provide by accompanying drawing, the utility model comprises high-pressure pump, the absorption tower, first absorption tower 1 is communicated with gas approach pipeline 5, air-introduced machine 8 is equipped with at 5 air inlet places at the gas approach pipeline, first absorption tower 1 links to each other with 4 ports of export of the high-pressure pump on the water inlet pipe 17 through pipeline, first absorption tower 1 links to each other with second absorption tower 2 through pipeline, on second absorption tower 2 exhanst gas outlet pipeline 3 is arranged, demister 7 is housed in the exhanst gas outlet pipeline 3, and respectively with chimney 9, stillpot 10 links to each other, first absorption tower, multi-layer high-voltage fine mist spray head 6 is arranged in second absorption tower, short transverse along tower is placed successively, 1 bottom, first absorption tower links to each other with cinder chamber 16, first absorption tower 1 is linked to each other with stillpot 10 by three-way pipe with 2 bottoms, second absorption tower, stillpot 10 is communicated with alkali circulating water chennel 12 through filter pocket 11, on alkali circulating water chennel 12 outlet conduits centrifugal pump 15 is housed, centrifugal pump 15 links to each other with dynamic filter 14, and it is continuous with water inlet pipe 17 through circulating water pipeline 18, circulating water pipeline 18 is connected by the shower and the heavy pressure fine spray shower nozzle 6 of 4 ports of export of the high-pressure pump on the water inlet pipe 17 with first absorption tower 1 and second absorption tower 2, is equipped with on the alkali circulating water chennel 12 and joins alkali groove 13.
In the utility model, two absorption towers are built in the outside, boiler room, first absorption tower, the second absorption tower tower body can use novel JNS corrosionproof steel against sulfuric acid at dew point to add the glass resin flake coating, or other corrosion resistance material increases the service life to improve the corrosion resistance of equipment.
In two absorption towers along the short transverse of tower, be furnished with the multi-layer high-voltage fine mist spray head successively, the water that adds desulfurizing agent (NaOH) is sent into shower nozzle and is formed superfine heavy pressure fine spray ejection through pipeline by high-pressure pump 4, flue gas enters the absorption tower by air-introduced machine 8 through gas approach pipeline 5, run into heavy pressure fine spray in the uphill process, the small grain size dust fully contacts with thin water smoke, and constantly cohesion becomes bulky grain, lands under the effect of gravity and is discharged in the stillpot 10 SO
2The thin water smoke that is contained alkaline water is caught, and reacting generating salt and sulphite etc. become big drop and sedimentation and being discharged in the stillpot 10.Adding white lime is regenerated after lautertuns 11 filters in stillpot 10, Separation of Solid and Liquid, supernatant enters alkali circulating water chennel 12,13 li of alkali grooves add NaOH and water is mixed with the NaOH aqueous solution joining in addition, be sent in the alkali circulating water chennel 12 by pipeline, mix mutually with alkali circulating water chennel 12 formed NaOH solution, stir, simultaneously, replenish clear water in alkali circulating water chennel 12, the formation mass concentration is 2 ‰ solution, is extracted out by centrifugal pump 15, in water mist system, recycle, form Closed Recirculation for Ash Water, prevent secondary pollution, and reduce alkali consumption and operation cost.
Flue gas enters second absorption tower 2 by first absorption tower 1, also has micro-small grain size dust to be removed by two to three layers of thin water smoke of two towers, also also has a spot of SO
2Be absorbed through two to three layers of thin water smoke, reaction generates sulfate and sulphite etc. and is removed with dustshot; Flue gas is after after demister 7 removes contained supersaturation moisture, the flue gas that reaches local discharge standard or discharging standards delivered to entered atmosphere in the chimney.
Continue evenly from the heavy pressure fine spray that is installed in the heavy pressure fine spray shower nozzle ejection in the absorption tower, mist particle diameter is little, only is sub-micron and nanoscale, and specific area is more much bigger than general water smoke, makes it have many special natures.It can very fast absorbing and cooling temperature, increase greatly and dust and SO
2The water film surface of gas contact is long-pending, drips and makes fine dust and SO under the three-phase suspended state at gas, solid, thin water smoke
2Through absorption, cohesion, weightening finish, and easily remove, thereby improve removal efficiency, reach the purpose of desulfurization, dedusting.
The utility model breaking conventional conception utilizes the heavy pressure fine spray that contains desulfurizing agent to absorb in the absorption tower Thereby the flue gas behind the fire coal reaches the purpose of desulfurization and dedusting. Simple in structure, the energy-saving and environmental protection of the utility model, Integrate desulfurization, dedusting function, cost reduces with traditional comparing greatly, and can realize long-term efficient fortune Turning to, meet the energy-saving and environmental protection requirement that country proposes, is a kind of more satisfactory desulfation dust-extraction device, economy Remarkable with social benefit.
Claims (2)
1, a kind of high-pressure fine water mist desulfurized dust collector, comprise high-pressure pump, the absorption tower, it is characterized in that, first absorption tower (1) is communicated with gas approach pipeline (5), air-introduced machine (8) is equipped with at the air inlet place at gas approach pipeline (5), high-pressure pump (4) port of export of first absorption tower (1) on the same water inlet pipe of pipeline (17) links to each other, first absorption tower (1) links to each other with second absorption tower (2) through pipeline, exhanst gas outlet pipeline (3) is arranged on second absorption tower (2), demister (7) is housed in the exhanst gas outlet pipeline (3), and respectively with chimney (9), stillpot (10) links to each other, first absorption tower, multi-layer high-voltage fine mist spray head (6) is arranged in second absorption tower, short transverse along tower is placed successively, bottom, first absorption tower (1) links to each other with cinder chamber (16), first absorption tower (1) is linked to each other with stillpot (10) by three-way pipe with second absorption tower (2) bottom, stillpot (10) is communicated with alkali circulating water chennel (12) through filter pocket (11), on alkali circulating water chennel (12) outlet conduit centrifugal pump (15) is housed, the same dynamic filter of centrifugal pump (15) (14) links to each other, and it is continuous through the same water inlet pipe of circulating water pipeline (18) (17), circulating water pipeline (18) is connected by the shower and the heavy pressure fine spray shower nozzle (6) of high-pressure pump (4) port of export on the water inlet pipe (17) with first absorption tower (1) and second absorption tower (2), is equipped with on the alkali circulating water chennel (12) and joins alkali groove (13).
2, high-pressure fine water mist desulfurized dust collector according to claim 1 is characterized in that, said first absorption tower, the second absorption tower tower body have the JNS corrosionproof steel against sulfuric acid at dew point to add the glass resin flake coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200710208U CN201211461Y (en) | 2008-06-16 | 2008-06-16 | High pressure fine water mist desulfurizing-dusting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200710208U CN201211461Y (en) | 2008-06-16 | 2008-06-16 | High pressure fine water mist desulfurizing-dusting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201211461Y true CN201211461Y (en) | 2009-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200710208U Expired - Fee Related CN201211461Y (en) | 2008-06-16 | 2008-06-16 | High pressure fine water mist desulfurizing-dusting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201211461Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913071A (en) * | 2013-01-08 | 2014-07-09 | 魏新委 | Metallurgical slag flue gas treatment process |
| CN110043807A (en) * | 2019-05-23 | 2019-07-23 | 中国核电工程有限公司 | A kind of UF6Pipe leakage emergent treatment system |
-
2008
- 2008-06-16 CN CNU2008200710208U patent/CN201211461Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913071A (en) * | 2013-01-08 | 2014-07-09 | 魏新委 | Metallurgical slag flue gas treatment process |
| CN110043807A (en) * | 2019-05-23 | 2019-07-23 | 中国核电工程有限公司 | A kind of UF6Pipe leakage emergent treatment system |
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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: 20090325 Termination date: 20160616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |