CN201593796U - Atomizing and desulfurizing dust removing device - Google Patents
Atomizing and desulfurizing dust removing device Download PDFInfo
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- CN201593796U CN201593796U CN2009202160936U CN200920216093U CN201593796U CN 201593796 U CN201593796 U CN 201593796U CN 2009202160936 U CN2009202160936 U CN 2009202160936U CN 200920216093 U CN200920216093 U CN 200920216093U CN 201593796 U CN201593796 U CN 201593796U
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Abstract
The utility model discloses an atomizing and desulfurizing dust removing device, which comprises a boiler, a dust remover, an atomizing spray tower, an induced draft fan, a chimney, an alkaline solution supply device and a sedimentation tank, wherein the atomizing spray tower is provided with air inlets, a liquid inlet, a liquid outlet, a spray nozzle and a filtering reactor; the air inlets, the liquid outlet and the spray nozzle are arranged on a tower body; the filtering reactor is arranged in the tower body and is positioned in the position corresponding to the spray nozzle; the boiler is connected with the dust remover and then is connected with one air inlet; the chimney is connected with the induced draft fan and then is connected with another air inlet; the alkaline solution supply device is connected with the liquid inlet; and the sedimentation tank is positioned in a position corresponding to the liquid outlet at the bottom of the tower body. The utility model can solve the problems of low efficiency for desulfurization and dust removal, high cost, easy scaling and easy generation of secondary pollution existing in the current desulfuration and dust removal.
Description
Technical field
The utility model relates to a kind of dust and the device of sulfur dioxide gas, a kind of purifier of desulfurization and dedusting specifically that produces in the technology of removing.
Background technology
Contain a large amount of coal dust lime-ash and harmful substance sulphur etc. in the coal-fired utility discharged flue gas such as boiler, the pollution that these materials are serious environment.
Present existing desulfurization and dedusting mainly comprises following method:
1, limestone/lime-gypsum wet method.Its shortcoming is: one-time investment is higher.
2, simple and easy lime stone lime-gypsum wet.Its shortcoming is: desulfurization degree is low, and about 70%.
3, sea water desulfuration method.Its shortcoming is: limited by regional condition, can only be used for the coastal area.In only being applicable to, the low-sulfur coal, secondary pollution is arranged.
4, rotary spraying and drying method.Its shortcoming is: desulfurization degree is lower, and about 70-80%, operating flexibility is less, calcium sulfur ratio is high, and operating cost height, accessory substance can't utilize and easily because calcium sulfite decomposes secondary pollution take place.
5, dry method spray calcium method in the stove.Its shortcoming is: desulfurization degree is lower, and about 30-40%, operating flexibility is less, calcium sulfur ratio is high, and operating cost height, accessory substance can't utilize and easily because calcium sulfite decomposes secondary pollution take place.
6, in-furnace calcium spraying-afterbody humidification method.Its shortcoming is: desulfurization degree lower (about 70%), operating flexibility is less, calcium sulfur ratio is high, and operating cost height, accessory substance can't utilize and easily because calcium sulfite decomposes secondary pollution take place.
7, flue gas circulating fluidized bed method.Its shortcoming is: desulfurization degree is lower, approximately≤80%, higher to the lime purity requirement, state's sodalime is difficult for ensuring the quality of products, flue gas loss in head big, owing to reinforced inhomogeneously can influence boiler operatiopn.
8, activated carbon method.Its shortcoming is: accessory substance is a dilute sulfuric acid, is not suitable for transportation, can only utilize digestion on the spot.Active carbon regularly needs to change.
9, electronic beam method.Its shortcoming is: investment is high, and because of equipment component does not pass a test, large-scale unit is used difficulty.
10, impulse electric corona method.Its shortcoming is: investment is high, and because of equipment component does not pass a test, large-scale unit is used difficulty.
The utility model content
The purpose of this utility model provides a kind of atomizing desulfation dust-extraction device, solves that the existing desulfurization dust-removing efficiency of present desulfurization and dedusting is low, cost is high, easy fouling, is easy to generate secondary pollution problem.
The technical scheme that its technical problem that solves the utility model adopts is:
The atomizing desulfation dust-extraction device comprises boiler, deduster, atomization spray tower, air-introduced machine, chimney, alkaline solution feedway, sedimentation basin; Atomization spray tower is provided with air inlet, inlet, liquid outlet, nozzle, filter reactor, and air inlet, liquid outlet, nozzle are arranged on the body of the tower, the filter reactor be arranged in the body of the tower and be in the corresponding position of nozzle on; Boiler be connected with air inlet again after deduster is connected, chimney be connected with another air inlet again after air-introduced machine is connected; The alkaline solution feedway is connected with inlet; Sedimentation basin is positioned at and the corresponding position of liquid outlet that is positioned at the body of the tower bottom.
Described alkaline solution feedway is made up of bucket elevator, lime storage tank, screw(-type) feeder, homogenizer, serum machine, slurry supply pump, circulating water pool, pump for mortar transmission successively, and pump for mortar transmission is connected with inlet.
Described sedimentation basin also is connected with back water pump, hydrocyclone, hydrocyclone opposite side connection circulating water pool in turn.
The beneficial effects of the utility model are:
1, because the nozzle employing? design, so atomizing effect is good, desulfurization degree reaches more than 90%, dust removal efficiency reaches 98%.
2, technical maturity is fit to various sulfur-bearing coals.
3, because the equipment that adopts is less, so cost is less, operating cost is low, and simple to operation.
4, owing to the impact of atomizing spray, the reactant that adsorbs on the reactor is captured, is precipitated in the settling tank, and system's non-scaling can the steady and continuous desulfurization and dedusting.
5, owing to be provided with back pool and hydrocyclone, water can recycle like this, can not form secondary pollution.
6, because equipment is simple, so safeguard simply long service life.
Description of drawings
Fig. 1 is a process chart of the present utility model;
Fig. 2 is a design sketch of the present utility model;
Fig. 3 is an atomization spray tower structure of nozzle schematic diagram;
1. boilers among the figure, 2. deduster, 3. atomization spray tower, 31. air inlets, 32. inlets, 33. liquid outlet, 34. nozzles, 35. filter reactor, 4. air-introduced machines, 5. chimney, 6. alkaline solution feedway, 61. bucket elevators, 62. lime storage tanks, 63. screw(-type) feeder, 64. homogenizers, 65. serum machines, 66. slurry supply pumps, 67. circulating water pool, 68. pump for mortar transmissions, 7. sedimentation basin, 8. back water pump, 9. hydrocyclone, 10. vacuum hydroextractor, 11. waggons, 12. atomizing desulfation dust-extraction devices.
The specific embodiment
Please refer to Fig. 1 to Fig. 4, the atomizing desulfation dust-extraction device 12 of present embodiment, comprise boiler 1, deduster 2, atomization spray tower 3, air-introduced machine 4, chimney 5, alkaline solution feedway 6, sedimentation basin 7, back water pump 8, hydrocyclone 9, vacuum hydroextractor 10, waggon 11.
Have two air inlets 31, inlet 32, liquid outlet 33, nozzle 34, filter reactor 35 on the atomization spray tower 3.Connect boiler 1 again after one of them air inlet 31 near the tower bottom connects dedusters 2, make the sulfur oxide gas of the generation in the boiler 1 import in the atomization spray tower 3 like this; Another air inlet 31 is arranged on the cat head, connects chimney 5 again after connecting air-introduced machine 4, makes the sulfur oxide gas of the generation in the chimney 5 import in the atomization spray tower 3 like this.Liquid outlet 33 is arranged at the bottom of the tower, and the liquid in the tower behind the absorption sulfur oxide gas is discharged with regard to this liquid outlet 33.Nozzle 34 is arranged on the body of the tower, filter reactor 35 be arranged in the body of the tower and be in nozzle 34 corresponding positions on; Nozzle will go out ejection from inlet 32 by the akaline liquid that alkaline feedway 6 provides, Pen Chu the alkaline medium that contains in a large number is adsorbed on the filter reactor 35 like this, form moisture film, the specific area that this moisture film covered is big, when flue dust during by filter reactor 35, the moisture film that forms with alkaline medium reacts and is adsorbed on the reactor, by the impact of atomizing spray, the reactant that adsorbs on the reactor is captured, is precipitated in the settling tank, thereby reaches the effect of desulfurization and dedusting.
Alkaline solution feedway 6 is made up of bucket elevator 61, lime storage tank 62, screw(-type) feeder 63, homogenizer 64, serum machine 65, slurry supply pump 66, circulating water pool 67, pump for mortar transmission 68 successively, pump for mortar transmission 68 is connected with inlet 32, so just can be atomization spray tower 3 akaline liquid is provided.Sedimentation basin is positioned at and the corresponding position of liquid outlet that is positioned at the body of the tower bottom, and the liquid that ought absorb sulfur oxide gas so just imports to the sedimentation basin from liquid outlet 33.In addition, sedimentation basin also is connected with back water pump 8, hydrocyclone 9, hydrocyclone 9 opposite sides connection circulating water pool in turn, and hydrocyclone 9 has a side to connect a vacuum hydroextractor 10, opposite side communication loop pond, hydrocyclone 9 just imports to the water in the sedimentation basin 7 and makes water keep recurrent state in the circulating water pool 67 like this, and hydrocyclone 9 also can import to the byproduct that produces in the sweetening process in the vacuum hydroextractor 10 the byproduct drying, when the dry intact back use transport vehicle of byproduct is transported to the byproduct for treatment station with byproduct.
Claims (3)
1. the atomizing desulfation dust-extraction device comprises boiler, deduster, atomization spray tower, air-introduced machine, chimney, alkaline solution feedway, sedimentation basin; It is characterized in that: atomization spray tower is provided with air inlet, inlet, liquid outlet, nozzle, filter reactor, and air inlet, liquid outlet, nozzle are arranged on the body of the tower, the filter reactor be arranged in the body of the tower and be in the corresponding position of nozzle on; Boiler be connected with air inlet again after deduster is connected, chimney be connected with another air inlet again after air-introduced machine is connected; The alkaline solution feedway is connected with inlet; Sedimentation basin is positioned at and the corresponding position of liquid outlet that is positioned at the body of the tower bottom.
2. according to the described atomizing desulfation dust-extraction device of claim 1, it is characterized in that: described alkaline solution feedway is made up of bucket elevator, lime storage tank, screw(-type) feeder, homogenizer, serum machine, slurry supply pump, circulating water pool, pump for mortar transmission successively, and pump for mortar transmission is connected with inlet.
3. according to the described atomizing desulfation dust-extraction device of claim 1, it is characterized in that: described sedimentation basin also is connected with back water pump, hydrocyclone, hydrocyclone opposite side connection circulating water pool in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202160936U CN201593796U (en) | 2009-09-14 | 2009-09-14 | Atomizing and desulfurizing dust removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202160936U CN201593796U (en) | 2009-09-14 | 2009-09-14 | Atomizing and desulfurizing dust removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201593796U true CN201593796U (en) | 2010-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202160936U Expired - Fee Related CN201593796U (en) | 2009-09-14 | 2009-09-14 | Atomizing and desulfurizing dust removing device |
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| CN (1) | CN201593796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233604A (en) * | 2015-10-20 | 2016-01-13 | 西安墙体材料研究设计院 | Purification device for conducting flue gas desulfurization and dedusting on brick and tile kiln |
| CN105327579A (en) * | 2015-10-20 | 2016-02-17 | 西安墙体材料研究设计院 | Purifying method for desulphurization dedusting of tile kiln flue gas |
-
2009
- 2009-09-14 CN CN2009202160936U patent/CN201593796U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233604A (en) * | 2015-10-20 | 2016-01-13 | 西安墙体材料研究设计院 | Purification device for conducting flue gas desulfurization and dedusting on brick and tile kiln |
| CN105327579A (en) * | 2015-10-20 | 2016-02-17 | 西安墙体材料研究设计院 | Purifying method for desulphurization dedusting of tile kiln flue gas |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20120914 |