CN104154550A - Desulfuration and flue gas emission integrated chimney - Google Patents
Desulfuration and flue gas emission integrated chimney Download PDFInfo
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- CN104154550A CN104154550A CN201410404015.4A CN201410404015A CN104154550A CN 104154550 A CN104154550 A CN 104154550A CN 201410404015 A CN201410404015 A CN 201410404015A CN 104154550 A CN104154550 A CN 104154550A
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Abstract
The invention relates to a chimney and discloses a desulfuration and flue gas emission integrated chimney to solve the problem that due to the fact that a traditional desulfuration device is placed outside a chimney, the occupied area of a desulfuration plant is large, and energy consumption is high during desulfuration. According to the desulfuration and flue gas emission integrated chimney, four floor slabs are arranged in a regular octagonal cylinder body from bottom to top in sequence to divide the inner cavity of the regular octagonal cylinder body into a bottom layer, a second layer, a third layer and a fourth layer from bottom to top, a draught fan is placed on the ground of the bottom layer, a separator and a pool are both arranged on the floor slab on the second layer, the third layer is a residual accumulation area, a desulfuration device is placed on the floor slab on the fourth layer, each floor slab is provided with multiple smoke passing holes, a conical cylinder body and the regular octagonal cylinder body are arranged with one above the other, a desulfuration adsorption area is communicated with the inner cavity of the conical cylinder body, a flue gas pipeline penetrates through any smoke passing hole, one end of the flue gas pipeline is connected with a smoke vent on the desulfuration device, and the other end of the flue gas pipeline is communicated to the third layer. The desulfuration and flue gas emission integrated chimney is used for flue gas discharge during desulfuration of a thermal power plant.
Description
Technical field
The present invention relates to a kind of chimney, be specifically related to the integrated chimney of a kind of desulfurization and fume emission.
Background technology
At thermal power plants, chimney is a kind of requisite important accessory structure, and its effect is the later clean flue gas of discharge desulfurization, improves burning condition.General chimney adopts reinforced concrete structure more, and along with day by day improving and the gradually enhancing of current people to environmental protection consciousness of China's power plant production capacity, the construction of chimney structure presents to higher, larger trend development.Traditional desulphurization plant is placed on the outside of chimney, see Fig. 3, desulphurization plant need to configure independent factory building, and chimney and desulfurization factory building occupy certain space and floor space separately, because chimney and desulfurization factory building have distance, between desulphurization plant and chimney, need to be connected by a large amount of pipelines; Due to distant between desulphurization plant and chimney, therefore, in desulfuration operations process, energy consumption is higher.
Summary of the invention
The present invention is the outside that the traditional desulphurization plant of solution is placed on chimney, desulfurization area of mill site is large, between desulphurization plant and chimney, need a large amount of pipelines to be connected, and the higher problem of energy consumption in desulfuration operations process, and a kind of desulfurization and the integrated chimney of fume emission have been proposed.
The integrated chimney of desulfurization of the present invention and fume emission comprises divergent-cone wall, octagon cylindrical shell, blower fan, seperator, pond, flue, desulphurization plant and four floors, the upper-end inner diameter of described divergent-cone wall is less than bottom diameter, four floors are successively set in octagon cylindrical shell from the bottom to top, octagon cylinder lumen is divided into from the bottom to top bottom by four floors, the second layer, the 3rd layer and the 4th layer, blower fan is positioned on the ground of bottom, seperator and pond are all positioned on the floor of the second layer, the 3rd layer is waste residue accumulation area, desulphurization plant is positioned on the floor of the 4th layer, each floor is provided with several exhaust holes, divergent-cone wall and octagon cylindrical shell are setting up and down, desulfurization adsorption zone communicates with conical tube intracoelomic cavity, flue is through any one exhaust hole, one end of flue is connected with the smoke exhaust pipe on desulphurization plant, the other end of flue passes to the 3rd layer.
The present invention has following beneficial effect compared with the conventional method:
One, the present invention propose a kind of by desulfurization with smoke evacuation one scheme, in function, sweetening process and fume emission are united two into one, carry out the techniques such as desulfurization and dedusting therein; Flue gas after desulfurization is directly disposed to atmosphere by top chimney, and therefore, the present invention significantly reduces the energy consumption of thermal power plants in fume emission process; The floor space of octagon cylindrical shell is identical with conventional chimney floor space, the height of divergent-cone wall is consistent with the height of conventional chimney, the present invention has also saved a large amount of pipelines and has connected, therefore, floor space of the present invention is little, save land resource, will have been had broad application prospects if this invention promotes in Thermal Power Plant Construction.
Two, desulfurization and the integrated chimney of fume emission are applied in to thermal power plants district, analysis result shows as calculated, save construction costs and be about 30%, Energy Intensity Reduction is about 40%, save land area and be about 65%, compared with traditional reinforced concrete chimney, the present invention has considerable economic benefit.
Brief description of the drawings
Fig. 1 is the overall structure front view of desulfurization of the present invention and fume emission integrative chimney;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is traditional desulphurization plant and the placement schematic diagram of chimney.
Detailed description of the invention
Detailed description of the invention one: present embodiment is described in conjunction with Fig. 1 and Fig. 2, present embodiment comprises divergent-cone wall 1, octagon cylindrical shell 2, blower fan 8, seperator 9, pond 10, flue 11, desulphurization plant 12 and four floors 3, the upper-end inner diameter of divergent-cone wall 1 is less than bottom diameter, four floors 3 are successively set in octagon cylindrical shell 2 from the bottom to top, octagon cylindrical shell 2 inner chambers are divided into from the bottom to top bottom 4 by four floors 3, the second layer 5, the 3rd layer 6 and the 4th layer 7, blower fan 8 is positioned on the ground of bottom 4, seperator 9 and pond 10 are all positioned on the floor 3 of the second layer 5, the 3rd layer 6 is waste residue accumulation area, desulphurization plant 12 is positioned on the floor 3 of the 4th layer 7, each floor 3 is provided with several exhaust hole 3-1, divergent-cone wall 1 is setting up and down with octagon cylindrical shell 2, desulfurization adsorption zone communicates with divergent-cone wall 1 inner chamber, flue 11 is through any one exhaust hole 3-1, one end of flue 11 is connected with the smoke exhaust pipe on desulphurization plant 12, the other end of flue 11 passes to the 3rd layer 6.Blower fan 8, seperator 9, pond 10 and desulphurization plant 12 are commercially available prod.
Detailed description of the invention two: in conjunction with Fig. 1, present embodiment is described, the divergent-cone wall 1 of present embodiment is made up of armored concrete, forms shear wall structure.Divergent-cone wall 1 anti-seismic performance of this structure is good.Other composition and annexation are identical with detailed description of the invention one.
Detailed description of the invention three: in conjunction with Fig. 1 and Fig. 2, present embodiment is described, the octagon cylindrical shell 2 of present embodiment is made up of armored concrete.Divergent-cone wall 1 anti-seismic performance of this structure is good.Other composition and annexation are identical with detailed description of the invention one or two.
Detailed description of the invention four: in conjunction with Fig. 2, present embodiment is described, the floor 3 of present embodiment is made up of armored concrete.Divergent-cone wall 1 anti-seismic performance of this structure is good.Other composition and annexation are identical with detailed description of the invention three.
Detailed description of the invention five: in conjunction with Fig. 1 and Fig. 2, present embodiment is described, the barrel thickness S of the octagon cylindrical shell 2 of present embodiment is that the height of 0.45m～0.55m, octagon cylindrical shell 2 is 25m～35m.This design is to improve the shock resistance of octagon cylindrical shell 2.Other composition and annexation are identical with detailed description of the invention four.
Detailed description of the invention six: in conjunction with Fig. 1 and Fig. 2, present embodiment is described, the barrel thickness S of the octagon cylindrical shell 2 of present embodiment is that the height of 0.5m, octagon cylindrical shell 2 is 30m.This design is to improve the shock resistance of octagon cylindrical shell 2.Other composition and annexation are identical with detailed description of the invention four.
Detailed description of the invention seven: in conjunction with Fig. 1, present embodiment is described, the bottom 4 of present embodiment, two layer 5, three layer 6 are identical with the height of four layer 7.Meeting on the basis of height lower limit requirement, allow structure height identical as far as possible, make like this design drawing easy, be more easy to construction.Other composition and annexation are identical with detailed description of the invention five.
Detailed description of the invention eight: in conjunction with Fig. 1, present embodiment is described, the height of the divergent-cone wall 1 of present embodiment is 85m～95m.This design is to improve the shock resistance of divergent-cone wall 1.Other composition and annexation are identical with detailed description of the invention seven.
Detailed description of the invention nine: in conjunction with Fig. 1, present embodiment is described, the height of the divergent-cone wall 1 of present embodiment is 90m.This design is to improve the shock resistance of divergent-cone wall 1.Other composition and annexation are identical with detailed description of the invention eight.
Detailed description of the invention ten: in conjunction with Fig. 1, present embodiment is described, the bottom wall thickness of the divergent-cone wall 1 of present embodiment is identical with the barrel thickness S of octagon cylindrical shell 2, and the top wall thickness of divergent-cone wall 1 is 0.16m.This design is to improve the shock resistance of divergent-cone wall 1.Other composition and annexation are identical with detailed description of the invention nine.
Shock resistance is explained: taking ANSYS finite element numerical simulation as instrument, set up respectively the chimney of structure of the present invention and the model of common chimney, EL-Centro ripple is selected in input earthquake motion, Taft involves a day tunami, earthquake response to chimney of the present invention and common chimney under geological process carries out numerical simulation analysis, reach a conclusion: the geological process that chimney of the present invention is subject to is larger than conventional chimney, under Taft ripple geological process, the summit peak displacement of chimney of the present invention is larger than conventional chimney, but at EL-Centro ripple, under the ripple geological process of Tianjin, chimney of the present invention summit peak displacement is less than conventional chimney, illustrate that chimney of the present invention has good anti-seismic performance.The situation that chimney height overall is constant, the height change of octagon cylindrical shell 2 shear walls is little for the anti-seismic performance impact of total.Chimney bottom octagon cylindrical shell 2 of the present invention adopts reinforced concrete shear wall tube structure, and compared with original chimney, lateral resistant ability is stronger, and anti-seismic performance might as well.
1, EL-Centro seismic wave: that EL-Centro ripple records is Supreme Being paddy (Imperial Valley in 1940, magnitude M=7.1) situation of earthquake, in the data that strong-motion instrument is recorded of special sieve of Supreme Being paddy south dust Ademilson, maximum seismic acceleration is 326gal.EL-Centro ripple is that Article 1 successfully records the seismic wave of overall process data in the world, is considered to " entirety of the earthquake that the mankind catch for the first time ", has great meaning for the research of earthquake, is always often used to [45] among earthquake analysis.
2, Taft seismic wave: be recorded in markon Fu Liya state earthquake (the California Earthquake that betides the U.S. July 21 nineteen fifty-two, 7.4 grades of earthquake magnitudes), be to be positioned at the data that the No.1095 seismographic station of California Kern County Lincoln school records, this records the about 43.5km in distance earthquake centre.Seismic detector is located on one tunnel concrete floor, school area, records complete three dimensional earthquake ripple, and record reaches 54s, maximum seismic acceleration 175.9gal.Taft seismic wave is complete owing to recording, data are reliable, is extensively quoted at International Seismic engineering circles.
3, Tianjin seismic wave: record be the earthquake that November 25 betided Tianjin in 1976, magnitude M=6.9, epicentral distance 65Km, seismic acceleration peak value 145.8gal, the seismographic record in its north-south is very conventional.
Three kinds of seismic waves in the time of numerical analysis to mode input, to check the reaction of structure under seismic wave.
Claims (10)
1. a desulfurization and the integrated chimney of fume emission, the integrated chimney of described desulfurization and fume emission comprises divergent-cone wall (1), the upper-end inner diameter of described divergent-cone wall (1) is less than bottom diameter, it is characterized in that: the integrated chimney of described desulfurization and fume emission also comprises octagon cylindrical shell (2), blower fan (8), seperator (9), pond (10), flue (11), desulphurization plant (12) and four floors (3), four floors (3) are successively set in octagon cylindrical shell (2) from the bottom to top, octagon cylindrical shell (2) inner chamber is divided into from the bottom to top bottom (4) by four floors (3), the second layer (5), the 3rd layer (6) and the 4th layer (7), blower fan (8) is positioned on the ground of bottom (4), seperator (9) and pond (10) are all positioned on the floor (3) of the second layer (5), the 3rd layer (6) are waste residue accumulation area, desulphurization plant (12) is positioned on the floor (3) of the 4th layer (7), each floor (3) is provided with several exhaust holes (3-1), divergent-cone wall (1) is setting up and down with octagon cylindrical shell (2), desulfurization adsorption zone communicates with divergent-cone wall (1) inner chamber, flue (11) is through any one exhaust hole (3-1), one end of flue (11) is connected with the smoke exhaust pipe on desulphurization plant (12), the other end of flue (11) passes to the 3rd layer (6).
2. the integrated chimney of desulfurization and fume emission according to claim 1, is characterized in that: described divergent-cone wall (1) is made up of armored concrete.
3. according to desulfurization described in claim 1 or 2 and the integrated chimney of fume emission, it is characterized in that: described octagon cylindrical shell (2) is made up of armored concrete.
4. the integrated chimney of desulfurization and fume emission according to claim 3, is characterized in that: described floor (3) is made up of armored concrete.
5. the integrated chimney of desulfurization and fume emission according to claim 4, is characterized in that: the barrel thickness S of described octagon cylindrical shell (2) is that the height of 0.45m～0.55m, octagon cylindrical shell (2) is 25m～35m.
6. the integrated chimney of desulfurization and fume emission according to claim 4, is characterized in that: the barrel thickness S of described octagon cylindrical shell (2) is that the height of 0.5m, octagon cylindrical shell (2) is 30m.
7. the integrated chimney of desulfurization and fume emission according to claim 5, is characterized in that: described bottom (4), two layers (5), three layers (6) are identical with the height of four layers (7).
8. the integrated chimney of desulfurization and fume emission according to claim 7, is characterized in that: the height of described divergent-cone wall (1) is 85m～95m.
9. the integrated chimney of desulfurization and fume emission according to claim 8, is characterized in that: the height of described divergent-cone wall (1) is 90m.
10. the integrated chimney of desulfurization and fume emission according to claim 9, it is characterized in that: the bottom wall thickness of described divergent-cone wall (1) is identical with the barrel thickness S of octagon cylindrical shell (2), and the top wall thickness of divergent-cone wall (1) is 0.16m.
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| CN201410404015.4A CN104154550B (en) | 2014-08-15 | 2014-08-15 | The chimney that desulfurization is integrated with fume emission |
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| CN201410404015.4A CN104154550B (en) | 2014-08-15 | 2014-08-15 | The chimney that desulfurization is integrated with fume emission |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6136614A (en) * | 1984-07-30 | 1986-02-21 | Mitsui Toatsu Chem Inc | Prevention of corrosion of chimney |
| CN101352652A (en) * | 2008-09-22 | 2009-01-28 | 浙江天地环保工程有限公司 | Desulfuration chimney capable of integrally dissembling |
| CN202581361U (en) * | 2012-04-20 | 2012-12-05 | 武汉博奇环保科技股份有限公司 | Discharge device of with improved desulfurization chimney |
| CN203231324U (en) * | 2013-04-16 | 2013-10-09 | 山东山大华特环保工程有限公司 | Exhaust emission device for smoke desulfurizing tower |
| CN203731451U (en) * | 2014-02-19 | 2014-07-23 | 石福军 | Flue gas desulfurating and exhausting system of boiler |
-
2014
- 2014-08-15 CN CN201410404015.4A patent/CN104154550B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6136614A (en) * | 1984-07-30 | 1986-02-21 | Mitsui Toatsu Chem Inc | Prevention of corrosion of chimney |
| CN101352652A (en) * | 2008-09-22 | 2009-01-28 | 浙江天地环保工程有限公司 | Desulfuration chimney capable of integrally dissembling |
| CN202581361U (en) * | 2012-04-20 | 2012-12-05 | 武汉博奇环保科技股份有限公司 | Discharge device of with improved desulfurization chimney |
| CN203231324U (en) * | 2013-04-16 | 2013-10-09 | 山东山大华特环保工程有限公司 | Exhaust emission device for smoke desulfurizing tower |
| CN203731451U (en) * | 2014-02-19 | 2014-07-23 | 石福军 | Flue gas desulfurating and exhausting system of boiler |
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| CN104154550B (en) | 2016-08-24 |
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