CN209138318U - A kind of low-temperature flue gas desulphurization denitration tower dust-extraction unit - Google Patents
A kind of low-temperature flue gas desulphurization denitration tower dust-extraction unit Download PDFInfo
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- CN209138318U CN209138318U CN201821921236.9U CN201821921236U CN209138318U CN 209138318 U CN209138318 U CN 209138318U CN 201821921236 U CN201821921236 U CN 201821921236U CN 209138318 U CN209138318 U CN 209138318U
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- tower
- dust
- dedusting
- flue gas
- desulfurizing tower
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Abstract
The utility model discloses a kind of low-temperature flue gas desulphurization denitration tower dust-extraction units, including cigarette fire grate smoke pipe (1), it is characterized by: one end of the cigarette fire grate smoke pipe (1) is equipped with curved dust removing tube (2), dust removing tube (2) bottom is equipped with dust-exhausting port (3), the other end of the dust removing tube (2) is equipped with denitrating tower (4), denitration filler (5) are equipped in the denitrating tower (4), periphery on described denitrating tower (4) inner wall close to denitration filler (5) is equipped with catalyst looped network (6), the other end of the denitrating tower (4) is equipped with air-introduced machine (7), the other end of the air-introduced machine (7) is equipped with oxidation reactor (8), the other end of the oxidation reactor (8) is equipped with reduction reactor (9), the other end of the reduction reactor (9) is equipped with dedusting and desulfurizing tower (10 ).The utility model compared with prior art the advantages of be: structure is simple, easy to use, desulphurization denitration good dedusting effect.
Description
Technical field
The utility model relates to the technical field of flue gas desulfurization and denitrification tower dust-extraction unit, in particular to a kind of low-temperature flue gas
Desulphurization denitration tower dust-extraction unit.
Background technique
With the continuous intensification of countries in the world process of industrialization, SO2, NOx pollution have been more than that smoke contamination becomes big compression ring
The big pollutant of the first of border in order to solve the influence of flue dust, SO2 and NOx to environment and the mankind in coal burning flue gas, therefore needs
It is discharged into air after carrying out desulphurization denitration dust removal process to flue gas, traditional desulphurization denitration compound dust-collection device equipment is multiple
Miscellaneous, cost input is big, is not able to satisfy the purpose of small area coal burning flue gas desulfurization denitration dust-removing, and be dusted to flue gas
When will appear dedusting and be not thorough, influence subsequent desulphurization denitration process, cannot achieve high-efficiency desulfurization denitration dust collecting.
Utility model content
The technical problems to be solved in the utility model is to overcome the above technological deficiency, and it is simple to provide a kind of structure, user
Just, the low-temperature flue gas desulphurization denitration tower dust-extraction unit of desulphurization denitration good dedusting effect.
In order to solve the above technical problems, technical solution provided by the utility model are as follows: a kind of low-temperature flue gas desulphurization denitration tower
Curved dust removing tube, the dust removing tube bottom are equipped with one end of dust-extraction unit, including cigarette fire grate smoke pipe, the cigarette fire grate smoke pipe
Portion is equipped with dust-exhausting port, and the other end of the dust removing tube is equipped with denitrating tower, and denitration filler is equipped in the denitrating tower, and described is de-
It is equipped with catalyst looped network close to the periphery of out of stock filler on nitre inner wall of tower, the other end of the denitrating tower is equipped with air-introduced machine, described
The other end of air-introduced machine is equipped with oxidation reactor, and the other end of the oxidation reactor is equipped with reduction reactor, and the reduction is anti-
The other end of device is answered to be equipped with dedusting and desulfurizing tower, the dedusting and desulfurizing tower intracavity bottom is equipped with lye area, the dust-removal and desulfurizing
Tower side is equipped with the base extraction area communicated with lye area, is equipped with water pump, the dust-removal and desulfurizing in the base extraction area
Desulfurization zone is equipped in tower, the upper and lower ends of close desulfurization zone are equipped with spray tube, the spray tube in the dedusting and desulfurizing tower
It is connect with the water pump, the dedusting and desulfurizing tower is equipped with waste gas outlet.
As an improvement, being equipped with several filter screens in the dust removing tube, design in this way is big in flue gas convenient for filtering out
Type particle.
As an improvement, being equipped with filter plate between the lye area and the base extraction area, design is in this way for mistake
Filter the sediment in lye area.
As an improvement, being equipped with several dust suction sticks close to the lower section of waste gas outlet in the dedusting and desulfurizing tower, set in this way
The dust being calculated as in further purification exhaust gas.
The utility model compared with prior art the advantages of be: structure is simple, easy to use, desulphurization denitration dust removing effects
It is good, in use, exhaust gas is drained into dust removing tube by cigarette fire grate smoke pipe, it is dusted filtering by curved dust removing tube, then
Exhaust gas is entered by dust removing tube carries out denitration process in denitrating tower, the exhaust gas of denitration process is introduced into oxidation instead by air-introduced machine
It answers in device and reduction reactor and carries out, by oxidation reactor by the Viability product of inert oxidation of nitric oxide, subsequently into
Nitric oxide bioactivity product is reduced into nitrogen by reduction reactor, and then exhaust gas starts water then into dedusting and desulfurizing tower
Lye is uniformly sprayed to dust-removal and desulfurizing tower bottom and carries out acid-base neutralization by pump, and then exhaust gas continues to rise behind desulfurization zone,
Secondary dust suction is carried out by the dust suction stick being arranged under dedusting and desulfurizing tower waste gas outlet, is finally discharged from waste gas outlet.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of low-temperature flue gas desulphurization denitration tower dust-extraction unit of the utility model.
It is as shown in the figure: 1, cigarette fire grate smoke pipe, 2, dust removing tube, 3, dust-exhausting port, 4, denitrating tower, 5 denitration fillers, 6, catalyst ring
Net, 7, air-introduced machine, 8, oxidation reactor, 9, reduction reactor, 10, dedusting and desulfurizing tower, 11, lye area, 12, base extraction area,
13, water pump, 14, desulfurization zone, 15, spray tube, 16, waste gas outlet, 17, filter screen, 18, filter plate, 19, dust suction stick.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings.
In conjunction with attached drawing 1.
The utility model in the specific implementation, a kind of low-temperature flue gas desulphurization denitration tower dust-extraction unit, including cigarette fire grate cigarette
Pipe 1, one end of the cigarette fire grate smoke pipe 1 are equipped with curved dust removing tube 2, and 2 bottom of dust removing tube is equipped with dust-exhausting port 3, described
The other end of dust removing tube 2 is equipped with denitrating tower 4, and denitration filler 5 is equipped in the denitrating tower 4, is leaned on 4 inner wall of denitrating tower
The periphery of nearly denitration filler 5 is equipped with catalyst looped network 6, and the other end of the denitrating tower 4 is equipped with air-introduced machine 7, the air-introduced machine 7
The other end is equipped with oxidation reactor 8, and the other end of the oxidation reactor 8 is equipped with reduction reactor 9, the reduction reactor 9
The other end be equipped with dedusting and desulfurizing tower 10,10 intracavity bottom of dedusting and desulfurizing tower is equipped with lye area 11, and the dedusting is de-
10 side of sulphur tower is equipped with the base extraction area 12 communicated with lye area 11, is equipped with water pump 13, institute in the base extraction area 12
Desulfurization zone 14 is equipped in the dedusting and desulfurizing tower 10 stated, the upper and lower ends of close desulfurization zone 14 are equipped in the dedusting and desulfurizing tower 10
Spray tube 15, the spray tube 15 are connect with the water pump 13, and the dedusting and desulfurizing tower 10 is equipped with waste gas outlet 16.
Several filter screens 17 are equipped in the dust removing tube 2.
Filter plate 18 is equipped between the lye area 11 and the base extraction area 12.
Several dust suction sticks 19 are equipped with close to the lower section of waste gas outlet 16 in the dedusting and desulfurizing tower 10.
Working principle of the utility model is: exhaust gas is drained into dust removing tube by cigarette fire grate smoke pipe first, process is curved
Dust removing tube is dusted filtering, and then exhaust gas is entered by dust removing tube carries out denitration process in denitrating tower, denitration process is given up
Gas is introduced into oxidation reactor and reduction reactor by air-introduced machine and is carried out, by oxidation reactor by inert nitric oxide
Be oxidized to activated product, nitric oxide bioactivity product be reduced into nitrogen subsequently into reduction reactor, then exhaust gas then into
Enter into dedusting and desulfurizing tower, starts water pump and uniformly spray lye to dust-removal and desulfurizing tower bottom progress acid-base neutralization, then give up
Gas continues to rise behind desulfurization zone, carries out secondary dust suction by the dust suction stick being arranged under dedusting and desulfurizing tower waste gas outlet, finally
It is discharged from waste gas outlet.
The utility model and embodiments thereof are described above, this description is no restricted, shown in attached drawing
Be also one of the embodiments of the present invention, actual structure is not limited to this.All in all if this field
Those of ordinary skill is enlightened by it, without deviating from the purpose of the present invention, not inventively design with
The similar frame mode of the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (4)
1. a kind of low-temperature flue gas desulphurization denitration tower dust-extraction unit, including cigarette fire grate smoke pipe (1), it is characterised in that: the cigarette furnace
One end of smoke exhaust pipe (1) is equipped with curved dust removing tube (2), and the dust removing tube (2) bottom is equipped with dust-exhausting port (3), the dedusting
The other end for managing (2) is equipped with denitrating tower (4), is equipped with denitration filler (5) in the denitrating tower (4), in the denitrating tower (4)
Periphery on wall close to denitration filler (5) is equipped with catalyst looped network (6), and the other end of the denitrating tower (4) is equipped with air-introduced machine
(7), the other end of the air-introduced machine (7) is equipped with oxidation reactor (8), and the other end of the oxidation reactor (8) is equipped with reduction
The other end of reactor (9), the reduction reactor (9) is equipped with dedusting and desulfurizing tower (10), in the dedusting and desulfurizing tower (10)
Bottom of chamber portion is equipped with lye area (11), and the dedusting and desulfurizing tower (10) side is equipped with the base extraction area communicated with lye area (11)
(12), water pump (13) are equipped in the base extraction area (12), are equipped with desulfurization zone (14) in the dedusting and desulfurizing tower (10),
Upper and lower ends in the dedusting and desulfurizing tower (10) close to desulfurization zone (14) are equipped with spray tube (15), the spray tube (15)
It is connect with the water pump (13), the dedusting and desulfurizing tower (10) is equipped with waste gas outlet (16).
2. a kind of low-temperature flue gas desulphurization denitration tower dust-extraction unit according to claim 1, it is characterised in that: described removes
Several filter screens (17) are equipped in dirt pipe (2).
3. a kind of low-temperature flue gas desulphurization denitration tower dust-extraction unit according to claim 1, it is characterised in that: the alkali
Filter plate (18) are equipped between liquid zone (11) and the base extraction area (12).
4. a kind of low-temperature flue gas desulphurization denitration tower dust-extraction unit according to claim 1, it is characterised in that: described removes
Lower section in dirt desulfurizing tower (10) close to waste gas outlet (16) is equipped with several dust suction sticks (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821921236.9U CN209138318U (en) | 2018-11-19 | 2018-11-19 | A kind of low-temperature flue gas desulphurization denitration tower dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821921236.9U CN209138318U (en) | 2018-11-19 | 2018-11-19 | A kind of low-temperature flue gas desulphurization denitration tower dust-extraction unit |
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| Publication Number | Publication Date |
|---|---|
| CN209138318U true CN209138318U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821921236.9U Active CN209138318U (en) | 2018-11-19 | 2018-11-19 | A kind of low-temperature flue gas desulphurization denitration tower dust-extraction unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773842A (en) * | 2020-08-04 | 2020-10-16 | 沈春丰 | Industrial flue gas desulfurization and denitrification dust remover |
-
2018
- 2018-11-19 CN CN201821921236.9U patent/CN209138318U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773842A (en) * | 2020-08-04 | 2020-10-16 | 沈春丰 | Industrial flue gas desulfurization and denitrification dust remover |
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