CN217247938U - Device for reducing sulfur dioxide in low-concentration tail gas of dust remover - Google Patents
Device for reducing sulfur dioxide in low-concentration tail gas of dust remover Download PDFInfo
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- CN217247938U CN217247938U CN202220271774.8U CN202220271774U CN217247938U CN 217247938 U CN217247938 U CN 217247938U CN 202220271774 U CN202220271774 U CN 202220271774U CN 217247938 U CN217247938 U CN 217247938U
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- dust
- tail gas
- sulfur dioxide
- dust removal
- cloth bag
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model discloses a device for reducing sulfur dioxide in low-concentration tail gas of a dust remover, which comprises a bin; the discharge port of the storage bin is connected with a rotary feeder, and the output port of the rotary feeder is connected with a Roots blower; the gas outlet of the Roots blower is communicated with a tail gas main pipeline through a pipeline, and the gas outlet of the tail gas main pipeline is connected with a dust removal cloth bag; the outlet of the dust removal cloth bag is communicated with a ground dust removal station chimney. The utility model has the advantages of simple structure, good desulphurization effect, high automation degree and environmental protection.
Description
Technical Field
The utility model relates to a tail gas treatment technical field, more specifically relate to a reduce sulfur dioxide's in dust remover low concentration tail gas device.
Background
At present, a thermoelectric workshop is provided with two sets of dry quenching devices, and the thermoelectric workshop is matched with a dry quenching ground dust removal station. With the enhancement of environmental awareness of people and the implementation of GB 16171-2012 discharge standard of pollutants for coking chemical industry. The ground dust removing station discharge ports are all provided with an on-line monitoring device which requires SO 2 The emission index is less than or equal to 80mg/m3, and the emission index of particulate matters is less than or equal to 10mg/m 3 . When the dry quenching device is used for low-load production, the emission index meets the environmental protection requirement, and if the production load is increased by dry quenching, great environmental protection risk is brought.
Two sets of ground dust removal stations are matched at a coal charging and coke discharging position of a coking workshop, and the on-line monitoring requirements of a coke discharging and dust removing discharge port are as follows: SO (SO) 2 The discharge index is less than or equal to 30mg/m 3 The index of particle emission is less than or equal to 10mg/m 3 . But in the course of coke oven production, SO 2 The discharge index has large fluctuation, and the normal production of the coke oven is influenced. Therefore, a device for reducing sulfur dioxide in the low-concentration tail gas of the dust remover is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a device for reducing sulfur dioxide in low-concentration tail gas of a dust remover to solve SO 2 The problem of large fluctuation of emission index is solved to reduce SO 2 And (4) emission index.
In order to solve the technical problem, the utility model adopts the following technical proposal.
A device for reducing sulfur dioxide in low-concentration tail gas of a dust remover comprises a storage bin for storing a desulfurizer; the discharge port of the storage bin is connected with a rotary feeder for conveying the desulfurizer, and the output port of the rotary feeder is connected with a Roots blower for generating suction force for conveying; the gas outlet of the Roots blower is communicated with a tail gas main pipeline through a pipeline, and the gas outlet of the tail gas main pipeline is connected with a dust removal cloth bag for reducing dust; and the outlet of the dust removal cloth bag is communicated with a ground dust removal station chimney for discharging the treated tail gas.
The technical scheme is further optimized, and the desulfurizer in the feed bin is a high-activity calcium-based desulfurizer.
According to the technical scheme, a dust storage hopper for storing dust is arranged below the dust removal cloth bag, and a dust discharge port for discharging the dust is formed in the lower end of the dust storage hopper.
Further optimize technical scheme, rotatory feeder is the rotatory feeder of high density.
Due to the adoption of the technical scheme, the utility model has the following technical progress.
The utility model provides a pair of reduce sulfur dioxide's in dust remover low concentration tail gas device makes SO in desulfurizer and the tail gas 2 The reaction is carried out in the main pipeline of the tail gas and the dust removal cloth bag, SO that SO in the tail gas is reduced 2 Discharge index, increase SO 2 The reaction efficiency is controlled; the coke oven production is stabilized, and the production efficiency is improved; improves the operating environment and reduces SO 2 The emission reduces the environmental pollution; the high-degree automatic operation is realized, and the labor load of workers is reduced. The utility model has the advantages of simple structure, good desulphurization effect, high automation degree and environmental friendliness.
Drawings
Fig. 1 is a schematic structural view of the present invention;
wherein: 1. the device comprises a storage bin, 2 parts of a rotary feeder, 3 parts of a Roots blower, 4 parts of a tail gas main pipeline, 5 parts of a dust removal cloth bag, 6 parts of a ground dust removal station chimney, 7 parts of a dust storage hopper, 8 parts of a dust discharge port.
Detailed Description
The present invention will be described in further detail with reference to the drawings and the following detailed description.
A device for reducing sulfur dioxide in low-concentration tail gas of a dust remover is shown in a combined figure 1 and comprises a storage bin 1, a rotary feeder 2, a Roots blower 3, a tail gas main pipeline 4, a dust removal cloth bag 5, a ground dust removal station chimney 6, an ash storage hopper 7 and an ash discharge port 8.
A desulfurizer is stored in the bin 1, and the desulfurizer adopts a high-activity calcium-based desulfurizer. The discharge gate of feed bin 1 passes through the rotatory feeder 2 of tube coupling, and rotatory feeder 2 is used for carrying the desulfurizer, and adopts the rotatory feeder of high density. The output port of rotatory feeder 2 passes through pipe connection roots's fan 3, and roots's fan 3 is used for producing suction to the realization is to the transport of desulfurizer. The gas outlet of the Roots blower 3 is communicated with a tail gas main pipeline 4 through a pipeline, so that the desulfurizer is mixed with tail gas in the tail gas main pipeline 4. The gas outlet of the tail gas main pipeline 4 is connected with a dust removal cloth bag 5, and the dust removal cloth bag 5 is used for reducing the influence of dust on the environment. A dust storage hopper 7 for collecting dust in the flue gas is arranged below the dust removing cloth bag 5, and a dust discharge port 8 for discharging dust is arranged at the lower end of the dust storage hopper 7.
The outlet of the dust removal cloth bag 5 is communicated with a ground dust removal station chimney 6, and the ground dust removal station chimney 6 is used for discharging the treated tail gas into the environment.
The utility model discloses when in actual use, the high active calcium base desulfurizer in the feed bin 1 passes through rotatory feeder 2, carries to tail gas trunk line 4 through 3 malleations of roots's fan or self negative pressure suction again, mixes with the tail gas in the tail gas trunk line 4. One part of the desulfurizer reacts with sulfur dioxide in the main tail gas pipeline 4, and the other part of the desulfurizer is attached to the dust removal cloth bag 5 and continues to react with the sulfur dioxide in the flue gas, so that the purpose of reducing the sulfur dioxide in the tail gas is achieved. The tail gas is filtered by the dust removing cloth bag 5, the filtered dust falls into a dust storage hopper 7 below the dust removing cloth bag 5, and then the dust is discharged from a dust discharge port 8 at the bottom of the dust storage hopper 7 to be collected uniformly.
The device is arranged on a dust removal flue of a dry quenching device and a coke discharging and dust removing flue of a ground dust removal station for testing; on-line detection shows that the sulfur dioxide emission index before feeding is 55mg/m 3 About, the discharge index after feeding can be reduced to 26mg/m 3 Left and right. The device reduces SO in the environmental gas of the ground dust removal station for dry quenching and coke pushing and coal charging 2 The emission index of the coke dry quenching and coke pushing coal charging ground dust removal station improves SO in the environmental gas 2 The reaction efficiency is controlled, the coke oven production is stabilized, and the production efficiency is improved; improves the operating environment and reduces SO 2 The emission reduces the environmental pollution; high automation operation is realized, and the labor load of workers is reduced.
Claims (4)
1. The utility model provides a reduce sulfur dioxide's in dust remover low concentration tail gas device which characterized in that: comprises a storage bin (1) for storing a desulfurizing agent; the discharge hole of the storage bin (1) is connected with a rotary feeder (2) for conveying a desulfurizer, and the output port of the rotary feeder (2) is connected with a Roots blower (3) for generating suction force for conveying; the gas outlet of the Roots blower (3) is communicated with a main tail gas pipeline (4) through a pipeline, and the gas outlet of the main tail gas pipeline (4) is connected with a dust removal cloth bag (5) for reducing dust; and the outlet of the dust removal cloth bag (5) is communicated with a ground dust removal station chimney (6) for discharging the treated tail gas.
2. The device for reducing the sulfur dioxide in the low-concentration tail gas of the dust remover according to claim 1, is characterized in that: the desulfurizer in the feed bin (1) is a high-activity calcium-based desulfurizer.
3. The apparatus for reducing sulfur dioxide in low concentration tail gas of dust remover according to claim 1, wherein: a dust storage hopper (7) for storing dust is arranged below the dust removal cloth bag (5), and a dust discharge port (8) for discharging the dust is formed in the lower end of the dust storage hopper (7).
4. The device for reducing the sulfur dioxide in the low-concentration tail gas of the dust remover according to claim 1, is characterized in that: the rotary feeder (2) is a high-density rotary feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220271774.8U CN217247938U (en) | 2022-02-10 | 2022-02-10 | Device for reducing sulfur dioxide in low-concentration tail gas of dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220271774.8U CN217247938U (en) | 2022-02-10 | 2022-02-10 | Device for reducing sulfur dioxide in low-concentration tail gas of dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217247938U true CN217247938U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220271774.8U Active CN217247938U (en) | 2022-02-10 | 2022-02-10 | Device for reducing sulfur dioxide in low-concentration tail gas of dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217247938U (en) |
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2022
- 2022-02-10 CN CN202220271774.8U patent/CN217247938U/en active Active
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