CN2651607Y - Water-closing impact desulfurized dust remover for boiler - Google Patents
Water-closing impact desulfurized dust remover for boiler Download PDFInfo
- Publication number
- CN2651607Y CN2651607Y CN 03271423 CN03271423U CN2651607Y CN 2651607 Y CN2651607 Y CN 2651607Y CN 03271423 CN03271423 CN 03271423 CN 03271423 U CN03271423 U CN 03271423U CN 2651607 Y CN2651607 Y CN 2651607Y
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- wall
- water
- flue
- column
- air inlet
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Abstract
The utility model relates to a desulfurization dust removing device, in particular to a desulfurization dust removing device for a water-sealed impulse type boiler, which comprises a wall body provided with an air inlet and a flue gas outlet; wherein the interior of the wall body is filled with the alkalescent water solution, and the upper part of the water solution is a spray settling chamber which is characterized in that a part of the exit of the air inlet is under the liquid level of the water solution; the internal bottom surface of the wall body is provided with four different height of vertical columns, wherein the top end of the vertical column near the air inlet is provided with a curved accordion wall, the top end of the vertical column adjacent with the curved accordion wall is provided with a smokeproof wall, a flue is arranged between the bottom of the smokeproof wall and the water surface, the upper part of the adjacent other vertical column is also provided with the smokeproof wall, the upper part of the smokeproof wall is reserved with the flue, the upper part of the last vertical column is provided with a horizontal right-angle beam, the upper part of the right-angle beam is provided with a grid wall, the upper part of one side of the grid wall is provided with a cross beam, and the lower part of the cross beam is provided with the flue communicated with the flue gas outlet; the upper part of the spray settling chamber is provided with a spray pipe and its side upper part is provided with a cover plate, the upper part of the side of the wall body is provided with an overflow pit, and an overflow pipe inserted in the overflow pit is connected with the spray settling chamber through the wall body; the utility model has the advantages of the good desulfurization dust removing effect, the low cost and the long life.
Description
One, technical field
The utility model relates to a kind of boiler desulfurization dust arrester, and especially a kind of water seal Swashing type boiler desulfurization dust arrester belongs to environmental technology field.
Two, background technology
Existing middle-size and small-size Industrial Boiler flue gas desulfurization device is broadly divided into two big classes: a class split type dust-removing desulfurizing device that to be dedusting separate with desulfurizer; Another kind of is the integral type dust-removing desulfurizing device that dedusting and desulfurization merge; Split type desulfurizing dust-collector has dual mode, and promptly multi-tube dust cleaner adds water-bath expansion chamber doctor treatment and multi-tube dust cleaner adds the spray type desulphurization device, and the former shortcoming is that floor space is big; Water level is difficult to control; Resistance caused the boiler operation under positive pressure too greatly when water level was high, and desulfurization was lost efficacy when water level was low; After air-introduced machine stopped, flue gas can't be discharged, and caused boiler to fall cigarette; The latter's deficiency is that flue gas with water is serious, corrosion air-introduced machine and chimney; By hard attachment bonding, disequilibrium influences the normal operation of air-introduced machine to draught fan impeller through regular meeting; The deficiency that the integral type desulfurizing dust-collector exists is that the pH value of desulfurization water is difficult to regulate, and can not stably reach desulfurized effect; The flue gas circulating resistance is big; Smoke evacuation band water, corrosion blower fan and chimney.
Three, the content of utility model
The purpose of this utility model is intended to overcome the deficiency of above-mentioned prior art, and the water seal Swashing type boiler desulfurization dust arrester that effective, the no burn into non-secondary pollution of a kind of desulfurization and dedusting, cost are low, the life-span is long is provided.
For achieving the above object, the technical solution adopted in the utility model is: a kind of water seal Swashing type boiler desulfurization dust arrester, comprise the body of wall 19 which is provided with air inlet 1, exhanst gas outlet 7, weak alkaline aqueous solution 20 is housed in the body of wall 19, the top of the aqueous solution 20 is spray expansion chamber 21, its special character is that the part in the exit of air inlet 1 is positioned under the liquid level of the aqueous solution 20; Be interval with the column 13 of differing heights on body of wall 19 inner bottom surfaces, 16,17,18, the top of column 18 is provided with the arc accordion wall 2 that stretches out on the water surface, between the inner top surface of the top of column 17 and body of wall 19, be provided with retaining cigarette wall 4, between the bottom of retaining cigarette wall 4 and the water surface flue 23 is arranged, column 16 tops are provided with retaining cigarette wall 5, flue 23 is left in the top of retaining cigarette wall 5, the top of column 13 is provided with horizontal right angle beam 14, be provided with trellis 6 between the top of right angle beam 14 and body of wall 19 inner top surfaces, its side top is provided with crossbeam 15, and the below of crossbeam 15 is provided with the flue 23 that communicates with exhanst gas outlet 7; Be provided with shower 3 above spray expansion chamber 21, the side top is provided with cover plate 8, the axial two row's hole for water sprayings 22 that are provided with of shower 3; The top, side of body of wall 19 is provided with run-off 10, and insertion overflow pipe 9 wherein passes body of wall 19 and is connected with spray expansion chamber 21.
The radius of curvature of above-mentioned arc accordion wall (2) is 300～800mm; Retaining cigarette wall (4), (5) are 1～3 group; The interior angle of trellis (6) is 80～100 °; Angle between two row's hole for water sprayings (22) is 45～50 °.
The utility model compared with the prior art, the advantage of this device has: (1), desulfurization and dedusting are effective, make concentration of emission, blackness of exhaustion and the emission of carbon-dioxide concentration of boiler smoke, reach the requirement of each air quality functional areas of GB13271-2001 " emission standard of air pollutants for boilers " regulation fully; (2), flue gas is not with water, do not influence the serviceability of subsidiary engines such as air-introduced machine, chimney; (3), adopt closed cycle, non-secondary pollution; (4), ground construction, simple installation, low cost of manufacture; (5), long service life.
Four, description of drawings
Fig. 1 is a structure cross-sectional schematic of the present utility model.
Fig. 2 is that A-A among Fig. 1 is to cutaway view.
Fig. 3 is the cutaway view Amplified image of shower.
Fig. 4 is that B-B among Fig. 3 is to cutaway view.
Fig. 5 is the C-C cutaway top view among Fig. 1.
Five, the specific embodiment
In order to understand the utility model better, described in detail below in conjunction with embodiment.
With reference to Fig. 1-Fig. 5, with 4 tons of boilers is example, body of wall 19 with concrete masonry units one 5200 * 2400mm, 19 1 side 700mm places build column 18 by laying bricks or stones at the distance body of wall, the arc accordion wall 2 that to build a radius of curvature by laying bricks or stones above column 18 be 400mm, build column 17 by laying bricks or stones at distance column 1880mm place, above column 17, construct the retaining cigarette wall 4 of 2000 * 800mm together, the direction 200mm place that in the place ahead of retaining cigarette wall 4 is gas approach is provided with a shower 3, on the axis direction of shower 3, have angle and be two row's hole for water sprayings 22 of 30 °, space between the water surface of retaining cigarette wall 4 and spray expansion chamber 20 forms flue 23, column 16 is constructed at 750mm place at distance column 17, above column 16, construct the retaining cigarette wall 5 of 2000 * 1100mm, retaining cigarette wall 5 tops are provided with a horizontal right angle beam 14, to build an interior angle be 80 ° trellis 6 with brick above right angle beam 14, and the gap, duct of trellis 6 is 200mm; Be provided with the crossbeam 15 of a 2000 * 300mm at the opposite side of trellis 6, below crossbeam 15, form the flue 23 that communicates with exhanst gas outlet 7; Above the side of body of wall 19 axis directions, spray expansion chamber 20, be provided with cover plate 8, the inner of cover plate 8 rests on the longeron 11, for strengthening the bearing capacity of longeron 11, below longeron 11, be provided with two columns 12, it is the overflow pipe 9 of 50mm that one diameter is arranged below cover plate 8, and Open Side Down feeds in the run-off 10 for overflow pipe 9; Inject an amount of weak alkaline aqueous solution 21 in the body of wall 19, so far, this uses novel described water seal Swashing type boiler desulfurization dust arrester promptly to make to finish.
Its operation principle is, after boiler smoke enters this device from air inlet, the flat water surface of plunderring, along arc accordion wall high speed steering, weak alkaline aqueous solution is evoked a large amount of foams and spray, micronic dust in a large amount of drops and the flue gas, the reaction of sulfur dioxide gas generation affinity, solid, liquid body particle crashes in the pond under action of centrifugal force, has realized flue dust, SO
2, NO
xFirst separation, flue gas enters the spray expansion chamber from the top of arc accordion wall, spray apertures ejection twice current form water curtain together vertically downward, rush at retaining cigarette wall together and form moisture film, the affinity that contacts of flue gas and moisture film, water curtain has been realized flue dust, SO
2, NO
xSecondary separation and neutralization, form the secondary impulse water surface and space between the twice retaining cigarette wall, flue gas flows in the flue high speed of diverse location, forms one swirling eddy, further make flue gas and moisture film that enough times of contact and contact area are arranged, and then realize flue dust, SO, NO
xAffinity separations once more, remainder and the moisture content of flue gas after impulse, water-bath, spray, moisture film are handled after trellis further dewaters sedimentation, is discharged through exhanst gas outlet, thereby has reached the purpose of boiler fume desulfurizing and dedusting.
Claims (2)
1, a kind of water seal Swashing type boiler desulfurization dust arrester, comprise the body of wall (19) which is provided with air inlet (1), exhanst gas outlet (7), weak alkaline aqueous solution (20) is housed in the body of wall (19), the top of the aqueous solution (20) is spray expansion chamber (21), and it is characterized in that: the part in the exit of air inlet (1) is positioned under the liquid level of the aqueous solution (20); Be interval with the column (13) of differing heights on body of wall (19) inner bottom surface, (16), (17), (18), the top of column (18) is provided with the arc accordion wall (2) that stretches out on the water surface, between the inner top surface of the top of column (17) and body of wall (19), be provided with retaining cigarette wall (4), between the bottom of retaining cigarette wall (4) and the water surface flue (23) is arranged, column (16) top is provided with retaining cigarette wall (5), flue (23) is left in the top of retaining cigarette wall (5), the top of column (13) is provided with horizontal right angle beam (14), be provided with trellis (6) between the top of right angle beam (14) and body of wall (19) inner top surface, its side top is provided with crossbeam (15), and the below of crossbeam (15) is provided with the flue (23) that communicates with exhanst gas outlet (7); Top at spray expansion chamber (21) is provided with shower (3), and the side top is provided with cover plate (8), the axial two row's hole for water sprayings (22) that are provided with of shower (3); The top, side of body of wall (19) is provided with run-off (10), and insertion overflow pipe (9) wherein passes body of wall (19) and is connected with spray expansion chamber (21).
2, a kind of water seal Swashing type boiler desulfurization dust arrester according to claim 1, the radius of curvature that it is characterized in that arc accordion wall (2) is 300～800mm; Retaining cigarette wall (4), (5) are 1～3 group; The interior angle of trellis (6) is 80～100 °; Angle between two row's hole for water sprayings (22) is 45～50 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03271423 CN2651607Y (en) | 2003-08-15 | 2003-08-15 | Water-closing impact desulfurized dust remover for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03271423 CN2651607Y (en) | 2003-08-15 | 2003-08-15 | Water-closing impact desulfurized dust remover for boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2651607Y true CN2651607Y (en) | 2004-10-27 |
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ID=34330729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03271423 Expired - Fee Related CN2651607Y (en) | 2003-08-15 | 2003-08-15 | Water-closing impact desulfurized dust remover for boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2651607Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878576A (en) * | 2012-10-26 | 2013-01-16 | 无锡锡能锅炉有限公司 | Smoke separation wall structure of horizontal coal burning boiler |
| CN103585871A (en) * | 2013-10-24 | 2014-02-19 | 秦皇岛双轮环保科技有限公司 | High-temperature and high-concentration flue gas desulfurization and dust removal system and application thereof |
-
2003
- 2003-08-15 CN CN 03271423 patent/CN2651607Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878576A (en) * | 2012-10-26 | 2013-01-16 | 无锡锡能锅炉有限公司 | Smoke separation wall structure of horizontal coal burning boiler |
| CN103585871A (en) * | 2013-10-24 | 2014-02-19 | 秦皇岛双轮环保科技有限公司 | High-temperature and high-concentration flue gas desulfurization and dust removal system and application thereof |
| CN103585871B (en) * | 2013-10-24 | 2015-10-14 | 秦皇岛双轮环保科技有限公司 | A kind of high temperature, high-concentration fume desulfurization dust-removal system and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |