CN1864817A - Wet type desulfurization fume exhaust integrated device - Google Patents
Wet type desulfurization fume exhaust integrated device Download PDFInfo
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- CN1864817A CN1864817A CN 200610200324 CN200610200324A CN1864817A CN 1864817 A CN1864817 A CN 1864817A CN 200610200324 CN200610200324 CN 200610200324 CN 200610200324 A CN200610200324 A CN 200610200324A CN 1864817 A CN1864817 A CN 1864817A
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Abstract
The invention relates to an integral device for wet desulfurization and smoke discharge. The device comprises netted spraying layer, which includes at least two parallel spray main pipe, spray branch pipe from main pipe, and bi-directional injector coming from spray branch pipe; and a mist eliminator. The device is a vertical circular tower with diameter changing in five sections, and the diameter reduces sequentially from lower part, middle part and upper part of tower; the transition section of lower and middle part and transition section of middle and upper part is conical contour; the lower part of tower is circulating slurry pool, middle pat is desulfuration section, and upper section is for smoke discharging; the length of smoke discharge is longer than that of desulfuration, and that of desulfuration is longer than that of circulating slurry pool; the lower part of desulfuration is connected to smoke inlet pipe. The invention is characterized by simple and economical process, reduced system resistance, and great saved construction cost.
Description
(1), technical field
The present invention relates to a kind of flue gas desulfurization fume extractor.
(2), background technology
In existing flue gas wet desulphurization process, flue gas needs to remove harmful sulfide behind the reaction tower spray, but the flue gas behind spray has high humidity, characteristics that corrosivity is strong.Must build the reaction tower of smoke reaction for removing sulphur content in the flue gas, the clean flue gas after the reaction tower washing is sent back to the smoke stack emission of independent construction, or is not heated and directly send into the smoke stack emission of having taked special anti-corrosion measure after being heated to uniform temperature.No matter take which kind of mode, all increased flue and corrosion-resistant construction cost, simultaneously, because the resistance of flue and heater causes moving the increase that power consumption is an operating cost.
(3), summary of the invention
The objective of the invention is to propose a kind of wet type desulfurization fume exhaust integrated device, solve incorporate sulphur removal of sulfur-containing smoke gas and smoking problem; And the problem of cost, reduction operating cost is saved in solution.On the other hand, solve the problem that flue gas and loop slurry undercompounding, desulfuration efficiency remain further raising; Also solve the problem that spray piping and absorption tower interface wear and tear easily and reveal.
Technical scheme of the present invention:
This wet type desulfurization fume exhaust integrated device, inside is provided with spraying layer and demister, it is characterized in that: this device is five sections vertical circular tower shapes of reducing, from the hypomere tower body, stage casing tower body to the diameter of epimere tower body dwindles successively, hypomere tower body and stage casing tower body changeover portion, stage casing tower body and epimere tower body changeover portion all are taper type, its hypomere tower body is the recycle slurry liquid pool, the stage casing tower body is the desulphurization reaction section, the epimere tower body is the smoke evacuation section, the smoke evacuation segment length is greater than the desulphurization reaction segment length, the desulphurization reaction segment length is greater than recycle slurry liquid pool height, and the bottom of desulphurization reaction section is communicated with smoke-intake pipe; Above-mentioned spraying layer by at least two parallel sprays be responsible for, from spray be responsible for the spray arm of telling, the two-way nozzle of telling from spray arm both sides is woven into netted spraying layer, the perforate that two parallel sprays are responsible for to pass the brace summer absorption tower in, by the single-beam support, above-mentioned brace summer horizontal fixed is in the absorption tower.
The insertion angle of above-mentioned smoke-intake pipe and desulphurization reaction section is the 5-15 degree.
The inwall of above-mentioned smoke evacuation section is lined with anticorrosive coat.
Above-mentioned anticorrosive coat is rubber liner layer or glass flake inner liner.
The thickness of above-mentioned anticorrosive coat is 2-10mm.
The thickness of above-mentioned anticorrosive coat is 4-8mm.
The material of the integrated fume extractor of above-mentioned wet type desulfurizing is a carbon steel.
The gradient of above-mentioned hypomere tower body and tower body junction, stage casing is the 55-65 degree.
The gradient of above-mentioned stage casing tower body and epimere tower body junction is the 55-65 degree.
The diameter of the above-mentioned spray person in charge and spray arm dwindles gradually from near-end to far-end or stairstepping dwindles by joint.
The present invention is applied in the wet desulfurizing process, be reaction tower desulfurization, the incorporate new method of fume emission, flue gas is by five-part form structure reasonable in design, by the desulfurization of three layers of spray, by height and the rational section of smoke evacuation of ratio, clean flue gas directly is discharged in the atmosphere, for the clean flue gas discharging provides more economical, easier method.Spraying layer of the present invention greatly reduces than conventional spray equipment energy consumption.Nozzle is hollow off-centre, two-way nozzle up and down, nozzle spray angle in 30-150 degree scope, each designs of nozzles flow be calculate separately according to each engineering different definite.Improved spraying intensity greatly, made liquid-gas ratio L/G (ratio of slurries internal circulating load and clean fume side volume flow) reduce by 5%, greatly reduced the power consumption of recycle slurry liquid pump than conventional spray equipment.Owing to can enable less spraying layer, can reach identical desulfuration efficiency, energy consumption reduces by 4%; 20% of the not enough alloy material spraying layer of gross investment cost.The support that spray is responsible for adopts single-beam to support, and in middle the perforate of brace summer, spray is responsible for and is passed from perforate, between pad polytetrafluoroethylene (PTFE) backing plate, the assurance spraying layer can free wxpansion when variations in temperature, and can not cause excessive thrust to the absorption tower wallboard.The thermal expansion phenomenon that the unexpected variation of temperature causes in the time of can satisfying unit and start fast, it is excessive can not thermal stress to take place, and causes the situation of device damage.The interface tube setting of flanged dish not only makes easy construction, quick, and working face is little, is convenient to processing and manufacturing and on-the-spot the installation; Wearing and tearing and leakage have also been prevented.Spraying layer adopts that spray is responsible for, the form of spray arm, and shower adopts the form of convergent, and stable and balanced with the holding tube internal pressure avoided pipe wear or the depositional phenomenon of loop slurry is taken place.Shower adopts three-decker fiberglass to make, sprinkle density be 0.7-1.1 nozzle/square metre, the spray velocity in pipes design for uniform flow, guarantee slurries can be in managing the generation depositional phenomenon, the excessive wear phenomenon can not appear.Owing to adopted two-way nozzle, slurries two directions up and down spray simultaneously, reduce the collision polymerism of drop, have improved total absorption area of slurries, and load adaptability is strengthened.Compare with the steel alloy shower that routine adopts, the present invention is owing to selected special glass steel material for use, the slurries spray adopts sintered sic to make with nozzle, nozzle adopts the winding bonding way to be connected with shower, overall weight and cost reduce greatly, investment has also obtained significantly reducing, and its spraying layer cost has only the less than 20% of alloy material.Actual motion shows that even load improves 5-10%, desulfuration efficiency greatly improves.According to this technical scheme, saved the construction cost of anticorrosion flue and independent chimney, reduce SR, thereby reduced operation power consumption and operating cost, saved construction costs greatly.
(4), description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of spraying layer.
Fig. 3 is that brace summer is responsible for the schematic diagram that is connected with spray.
Fig. 4 is the schematic diagram that the absorption tower is provided with interface tube.
1-hypomere tower body, 2-stage casing tower body, 3-epimere tower body, 4-hypomere tower body and stage casing tower body changeover portion, 5-stage casing tower body and epimere tower body changeover portion, 6-smoke-intake pipe, 7-anticorrosive coat; The 8-spray is responsible for, 9-sprays arm, 10-nozzle, 11-brace summer, 12-interface tube, 13-polytetrafluoroethylene (PTFE) backing plate.
(5), the specific embodiment
Embodiment is referring to Fig. 1, this wet type desulfurization fume exhaust integrated device, inside is provided with spraying layer and demister, this device is five sections vertical circular tower shapes of reducing, dwindle successively from hypomere tower body 1, stage casing tower body 2 to the diameter of epimere tower body 3, hypomere tower body and stage casing tower body changeover portion 4, stage casing tower body and epimere tower body changeover portion 5 all are taper type, and its hypomere tower body is the recycle slurry liquid pool; The stage casing tower body is the desulphurization reaction section, is provided with the lime slurry spraying layer in this section; The epimere tower body is the smoke evacuation section.The smoke evacuation segment length is greater than the desulphurization reaction segment length, and the desulphurization reaction segment length is greater than recycle slurry liquid pool height, and the bottom of desulphurization reaction section is communicated with smoke-intake pipe 6, and the insertion angle c of smoke-intake pipe and desulphurization reaction section is the 5-15 degree.
Referring to Fig. 2,3,4, the structure of spraying layer: two parallel sprays are responsible for 8 perforates of passing brace summer 11 in the absorption tower, are supported by single-beam, above-mentioned brace summer horizontal fixed is in the absorption tower, for increasing the stability of spraying layer, the end of spray arm 9 places in the sliding support 8 that absorbs the Tata wall.The support of spraying layer adopts single-beam to support, and in the middle perforate of brace summer, spray is responsible for and is passed from perforate.
Welding has the interface tube 6 of ring flange on the absorption tower, and the spray person in charge passes this interface tube and stretches in the absorption tower.
Spray is responsible for 8 with brace summer perforate contact position, at absorption tower and interface tube 12 contact position pad polytetrafluoroethylene (PTFE) backing plates 13.
Spray be responsible for 8 and spray arm 9 be lined with the glass reinforced plastic pipe of wear-and corrosion-resistant layer inside and outside being, can adopt triplex glass steel material to make, to prevent the slurries corrosion pipeline.The diameter of the spray person in charge 8 and spray arm 9 dwindles gradually from near-end to far-end or stairstepping dwindles by joint.
The inwall of above-mentioned smoke evacuation section is lined with anticorrosive coat 7.Anticorrosive coat can be selected rubber liner layer or glass flake inner liner.The thickness of anticorrosive coat is 2-10mm, and optimum thickness is 4-8mm.The material of the integrated fume extractor of above-mentioned wet type desulfurizing is a carbon steel, is welded by carbon steel sheet.
The gradient a of above-mentioned hypomere tower body and tower body junction, stage casing is the 55-65 degree.The gradient b of stage casing tower body and epimere tower body junction is the 55-65 degree.
The engineering construction example: reverse-flow spray absorbs, wet type desulfurization fume exhaust integrated device, and hypomere tower body bottom is the recycle slurry liquid pool, and the stock tank diameter is a 12-14 rice; The epimere tower body be the inner surface of steel through antiseptic smoke evacuation section, the about 10m of diameter highly is about 30-35 rice, top absolute altitude 80m, outlet diameter are 3.5m, in order to the direct wet flue gas of discharging cleaning; The stage casing tower body is cylinder, steel construction, and corrosion-proof lining is arranged, and inside can be provided with three layers of spraying layer and two-stage demister, and this section done wet interface and can be adopted nickel-bass alloy material or lining glass flake to cover special anti-corrosion measures such as acid-proof ceramic tile outward.Flue gas is after smoke-intake pipe 6 enters the integrated fume extractor of wet type desulfurizing, contact with the absorption slurries of spraying layer ejection, flue gas is absorbed the slurries washing, sulfur dioxide is wherein absorbed by slurries, flue gas after quilt is cleaned is through the two-stage demister, remove in the flue gas with fine drop, make flue gas be lower than and directly enter atmosphere under the 100mg/Nm3 containing the drop amount, the height of this section is determined according to the needs calculating of flue gas diffusion, the flow velocity of flue gas in the absorption tower is controlled at 3～5m/s, and the chimney breast flow velocity guarantees more than 20m/s.Be absorbed into SO2 in the slurries in the recycle slurry liquid pool of bottom with slurries in CaCO3 react, and the force air oxidation that blasts of oxidized blower fan finally generates gypsum crystal, is discharged by the gypsum slurries excavationg pump, and sends into the dehydration of calcium plaster treatment system.
Claims (10)
1. wet type desulfurization fume exhaust integrated device, inside is provided with spraying layer and demister, it is characterized in that: this device is five sections vertical circular tower shapes of reducing, from the hypomere tower body, stage casing tower body to the diameter of epimere tower body dwindles successively, hypomere tower body and stage casing tower body changeover portion, stage casing tower body and epimere tower body changeover portion all are taper type, its hypomere tower body is the recycle slurry liquid pool, the stage casing tower body is the desulphurization reaction section, the epimere tower body is the smoke evacuation section, the smoke evacuation segment length is greater than the desulphurization reaction segment length, the desulphurization reaction segment length is greater than recycle slurry liquid pool height, and the bottom of desulphurization reaction section is communicated with smoke-intake pipe; Above-mentioned spraying layer by at least two parallel sprays be responsible for, from spray be responsible for the spray arm of telling, the two-way nozzle of telling from spray arm both sides is woven into netted spraying layer, the perforate that two parallel sprays are responsible for to pass the brace summer absorption tower in, by the single-beam support, above-mentioned brace summer horizontal fixed is in the absorption tower.
2. wet type desulfurization fume exhaust integrated device according to claim 1 is characterized in that: the insertion angle of above-mentioned smoke-intake pipe and desulphurization reaction section is the 5-15 degree.
3. wet type desulfurization fume exhaust integrated device according to claim 1 is characterized in that: the inwall of above-mentioned smoke evacuation section is lined with anticorrosive coat.
4. wet type desulfurization fume exhaust integrated device according to claim 3 is characterized in that: above-mentioned anticorrosive coat is rubber liner layer or glass flake inner liner.
5. wet type desulfurization fume exhaust integrated device according to claim 4 is characterized in that: the thickness of above-mentioned anticorrosive coat is 2-10mm.
6. wet type desulfurization fume exhaust integrated device according to claim 5 is characterized in that: the thickness of above-mentioned anticorrosive coat is 4-8mm.
7. according to claim 1 or 3 described wet type desulfurization fume exhaust integrated devices, it is characterized in that: the material of the integrated fume extractor of above-mentioned wet type desulfurizing is a carbon steel.
8. according to claim 1 or 3 described wet type desulfurization fume exhaust integrated devices, it is characterized in that: the gradient of above-mentioned hypomere tower body and tower body junction, stage casing is the 55-65 degree.
9. according to claim 1 or 3 described wet type desulfurization fume exhaust integrated devices, it is characterized in that: the gradient of above-mentioned stage casing tower body and epimere tower body junction is the 55-65 degree.
10. according to claim 1 or 3 described wet type desulfurization fume exhaust integrated devices, it is characterized in that: the diameter of the above-mentioned spray person in charge and spray arm dwindles gradually from near-end to far-end or stairstepping dwindles by joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006102003245A CN100522321C (en) | 2006-04-07 | 2006-04-07 | Wet type desulfurization fume exhaust integrated device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006102003245A CN100522321C (en) | 2006-04-07 | 2006-04-07 | Wet type desulfurization fume exhaust integrated device |
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| CN1864817A true CN1864817A (en) | 2006-11-22 |
| CN100522321C CN100522321C (en) | 2009-08-05 |
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| CNB2006102003245A Active CN100522321C (en) | 2006-04-07 | 2006-04-07 | Wet type desulfurization fume exhaust integrated device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342442B (en) * | 2008-08-26 | 2011-11-16 | 山东鲁北企业集团总公司 | Non-discharge desulfurization and comprehensive utilization method for sea water |
| CN102489126A (en) * | 2011-12-21 | 2012-06-13 | 常州联慧资源环境科技有限公司 | Composite desulfurizing absorption tower body with direct exhaust chimney |
| CN101601963B (en) * | 2009-06-02 | 2012-07-04 | 张蕊 | Smoke purification system and method thereof |
| CN104826471A (en) * | 2014-12-23 | 2015-08-12 | 青岛科技大学 | Industrial boiler flow-guide-plate-type glass fiber reinforced plastic flue gas desulfuration column |
| CN106794419A (en) * | 2015-06-26 | 2017-05-31 | 富士电机株式会社 | Exhaust gas treatment device |
| CN110180373A (en) * | 2019-06-03 | 2019-08-30 | 苏州仕净环保科技股份有限公司 | A kind of Industrial cleaning facility system removing sulfide gas |
| CN117800537A (en) * | 2024-01-24 | 2024-04-02 | 江苏源一工程科技有限公司 | Utilize heat exhaust to promote waste water temperature's integrated oxidation processing apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5271873A (en) * | 1992-05-21 | 1993-12-21 | The Babcock & Wilcox Company | Support of interspaced, opposed feed headers for FGD systems |
| JP2000084352A (en) * | 1998-09-09 | 2000-03-28 | Ishikawajima Harima Heavy Ind Co Ltd | Stack-integrated flue gas desulfurization unit |
| JP2000300930A (en) * | 1999-04-16 | 2000-10-31 | Ishikawajima Harima Heavy Ind Co Ltd | Gas treatment apparatus |
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2006
- 2006-04-07 CN CNB2006102003245A patent/CN100522321C/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342442B (en) * | 2008-08-26 | 2011-11-16 | 山东鲁北企业集团总公司 | Non-discharge desulfurization and comprehensive utilization method for sea water |
| CN101601963B (en) * | 2009-06-02 | 2012-07-04 | 张蕊 | Smoke purification system and method thereof |
| CN102489126A (en) * | 2011-12-21 | 2012-06-13 | 常州联慧资源环境科技有限公司 | Composite desulfurizing absorption tower body with direct exhaust chimney |
| CN102489126B (en) * | 2011-12-21 | 2014-01-29 | 常州联慧资源环境科技有限公司 | Composite desulfurizing absorption tower body with direct exhaust chimney |
| CN104826471A (en) * | 2014-12-23 | 2015-08-12 | 青岛科技大学 | Industrial boiler flow-guide-plate-type glass fiber reinforced plastic flue gas desulfuration column |
| CN106794419A (en) * | 2015-06-26 | 2017-05-31 | 富士电机株式会社 | Exhaust gas treatment device |
| CN106794419B (en) * | 2015-06-26 | 2020-03-31 | 富士电机株式会社 | Exhaust gas treatment device |
| CN110180373A (en) * | 2019-06-03 | 2019-08-30 | 苏州仕净环保科技股份有限公司 | A kind of Industrial cleaning facility system removing sulfide gas |
| CN110180373B (en) * | 2019-06-03 | 2023-11-17 | 苏州仕净科技股份有限公司 | Industrial purification system for removing sulfide gas |
| CN117800537A (en) * | 2024-01-24 | 2024-04-02 | 江苏源一工程科技有限公司 | Utilize heat exhaust to promote waste water temperature's integrated oxidation processing apparatus |
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| Publication number | Publication date |
|---|---|
| CN100522321C (en) | 2009-08-05 |
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