CN112844020A - Flue gas single-alkali desulfurization device for producing super-capacitor carbon and use method thereof - Google Patents
Flue gas single-alkali desulfurization device for producing super-capacitor carbon and use method thereof Download PDFInfo
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- CN112844020A CN112844020A CN202011570018.7A CN202011570018A CN112844020A CN 112844020 A CN112844020 A CN 112844020A CN 202011570018 A CN202011570018 A CN 202011570018A CN 112844020 A CN112844020 A CN 112844020A
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- flue gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
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Abstract
The invention discloses a flue gas single alkali desulfurization device for producing super capacitor carbon, which comprises a smoke exhaust pipeline, a desulfurization tower, a regeneration tank, an alkali liquor tank, a gas heat exchanger and a chimney which are sequentially connected, wherein an electrostatic dust collector and a draught fan are arranged on the smoke exhaust pipeline, the smoke exhaust pipeline is communicated with the desulfurization tower, a spray pipe is arranged in the desulfurization tower, one end of the spray pipe is connected with the alkali liquor tank through a circulating pump, a dehydration device for removing moisture in desulfurized flue gas is arranged at the upper end of the desulfurization tower, the desulfurization tower is sequentially communicated with the gas heat exchanger and the chimney through pipelines, and a gas inlet of the gas heat exchanger is communicated with the smoke exhaust pipeline. The desulfurization effect is better, the desulfurization efficiency is high, the contact area of the alkali liquor and the flue gas is increased due to the arrangement of the spray nozzles, three-stage desulfurization is carried out through the spray pipes in the desulfurization tower, the reaction time is prolonged, the reaction is more sufficient, and the desulfurization effect is good; the heat preservation is carried out to the desulfurization flue gas through gas heat exchanger, effectively prevents that the wet flue gas of low temperature from corroding the pipeline, prolongs the life of equipment.
Description
Technical Field
The invention relates to the technical field of flue gas desulfurization, in particular to a flue gas single-alkali desulfurization device for producing super-capacitor carbon and a using method thereof.
Background
The environmental protection emission of the flue gas is always a perfect subject, the content of harmful gases such as sulfur, carbon dioxide and the like in the flue gas is very high, if the harmful gases are not treated, the harmful gases can cause very serious damage to the ecological environment, and the harmful gases can cause great influence on the production and life of human beings. The existing desulfurization efficiency is low, the discharged flue gas contains residues, and the operation cost is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a flue gas single-alkali desulfurization device for producing super-capacitor carbon and a using method thereof.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
the utility model provides a flue gas single alkali desulphurization unit for production super capacitor charcoal, includes smoke exhaust pipe, desulfurizing tower, regeneration pond, alkali lye pond, gas heat exchanger, the chimney that connects gradually, smoke exhaust pipe is last to be equipped with electrostatic precipitator and draught fan, smoke exhaust pipe and desulfurizing tower intercommunication, be equipped with the shower in the desulfurizing tower, be equipped with a plurality of shower nozzles on the shower, the one end of shower is connected with alkali lye pond through the circulating pump, the one end in alkali lye pond is connected with alkali lye input device, the upper end of desulfurizing tower is equipped with the dewatering device who gets rid of moisture in the flue gas after the desulfurization, the desulfurizing tower communicates gas heat exchanger, chimney in proper order through the pipeline, the air inlet and the smoke exhaust pipe intercommunication of gas heat exchanger, the gas outlet and the electrostatic precipitator intercommunication of gas heat exchanger, the bottom of desulfurizing tower is the infundibulate structure, the bottom of desulfurizing tower is through pipeline discharge desulfurization mixed liquid, the bottom of the desulfurizing tower is connected with a slag discharging device, the liquid of the slag discharging device is communicated with a regeneration tank through a pipeline, the regeneration tank is communicated with an alkali liquor tank, and a branch is further arranged and directly communicated with a smoke exhaust pipeline and a chimney.
Further, the spray pipe is provided with three layers for carrying out three-level desulfurization reaction.
Further, the regeneration tank is communicated with the slag discharge device through a pipeline, the alkali liquor feeding device is communicated with the regeneration tank through a pipeline, a supernatant overflow hole is formed in the upper end of the regeneration tank, and the supernatant overflow hole is communicated with the alkali liquor tank through a pipeline.
Further, the spray head is a spray head.
Further, the alkaline PH value in the alkaline liquid pool is 9-11.
The use method of the flue gas single alkali desulfurization device for producing the super-capacitor carbon comprises the following steps:
step 1, sulfur-containing flue gas is discharged through a smoke discharge pipeline, a draught fan is started to drive a part of flue gas to enter a desulfurizing tower through an electrostatic precipitator,
step 4, after the desulfurized flue gas is discharged from the desulfurizing tower, sulfur dioxide, sulfur trioxide and the like are remained, condensed water can erode the pipeline, the flue gas which is not desulfurized enters the gas heat exchanger along the branch, the desulfurized flue gas is heated and then enters the desulfurizing tower for desulfurization,
and 5, heating the desulfurized flue gas, effectively preventing the low-temperature wet flue gas from corroding the pipeline and discharging the flue gas from a chimney.
The invention has the beneficial effects that: the desulfurization effect is better, the desulfurization efficiency is high, the contact area of the alkali liquor and the flue gas is increased due to the arrangement of the spray nozzles, three-stage desulfurization is carried out through the spray pipes in the desulfurization tower, the reaction time is prolonged, the reaction is more sufficient, and the desulfurization effect is good; the desulfurized flue gas is firstly treated by the dehydration device, so that the generation of condensed water is reduced, the desulfurized flue gas is subjected to heat preservation by the gas heat exchanger, the corrosion of low-temperature wet flue gas to a pipeline is effectively prevented, and the service life of equipment is prolonged; continuously treating the desulfurization mixed liquor generated after desulfurization; and the arrangement of the branch is higher in safety when equipment fails.
Drawings
FIG. 1 is a schematic structural view of the present invention;
reference symbol comparison table:
1. the system comprises a smoke exhaust pipeline, 2, an electrostatic dust collector, 3, an induced draft fan, 4, a desulfurizing tower, 5, a spray pipe, 6, a circulating pump, 7, an alkali liquor pool, 8, an alkali liquor feeding device, 9, a regeneration pool, 10, an air heat exchanger, 11, a chimney, 12, a slag discharge device, 13 and a branch.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in figure 1, a flue gas single alkali desulphurization unit for producing super capacitor carbon and a using method thereof, comprises a flue gas exhaust pipeline 1, a desulphurization tower 4, a regeneration tank 9, an alkali liquor tank 7, a gas heat exchanger 10 and a chimney 11 which are connected in sequence, wherein the flue gas exhaust pipeline 1 is provided with an electrostatic dust collector 2 and an induced draft fan 3, the flue gas exhaust pipeline 1 is communicated with the desulphurization tower 4, a spray pipe 5 is arranged in the desulphurization tower 4, the spray pipe 5 is provided with a plurality of nozzles, one end of the spray pipe 5 is connected with the alkali liquor tank 7 through a circulating pump 6, one end of the alkali liquor tank 7 is connected with an alkali liquor feeding device 8, the upper end of the desulphurization tower 4 is provided with a dehydration device for removing moisture in flue gas after desulphurization, the desulphurization tower 4 is sequentially communicated with the gas heat exchanger 10 and the chimney through pipelines, the gas inlet of the gas heat exchanger 10 is communicated with the flue gas exhaust pipeline 1, the gas outlet of the gas, the bottom of desulfurizing tower 4 is the infundibulate structure, the mixed liquid of pipeline discharge desulfurization is passed through to the bottom of desulfurizing tower 4, the bottom of desulfurizing tower 4 is connected with row's sediment device 12, arrange the liquid of sediment device 12 and pass through pipeline intercommunication regeneration pond 9, regeneration pond 9 with alkali lye pond 7 intercommunication, still be equipped with branch road 13, branch road 13 directly communicates smoke exhaust pipe 1 and chimney 11.
The spray pipe 5 is provided with three layers for carrying out three-stage desulfurization reaction.
The regeneration tank 9 is communicated with the slag discharge device 12 through a pipeline, the alkali liquor feeding device 8 is communicated with the regeneration tank 9 through a pipeline, a supernatant overflow hole is formed in the upper end of the regeneration tank 9, and the supernatant overflow hole is communicated with the alkali liquor tank 7 through a pipeline.
The spray head is a spray head.
The alkaline pH value in the alkaline liquid pool 7 is 9-11.
The use method of the flue gas single alkali desulfurization device for producing the super-capacitor carbon comprises the following steps:
step 1, sulfur-containing flue gas is discharged through a smoke discharge pipeline 1, a draught fan 3 is started to drive a part of flue gas to enter a desulfurizing tower 4 through an electrostatic dust collector 2,
step 4, after the desulfurized flue gas is discharged from the desulfurizing tower 4, sulfur dioxide, sulfur trioxide and the like are remained, condensed water can erode the pipeline, the flue gas which is not desulfurized enters the gas heat exchanger 10 along the branch 13, the desulfurized flue gas is heated and then enters the desulfurizing tower 4 for desulfurization,
and step 5, heating the desulfurized flue gas, effectively preventing the low-temperature wet flue gas from corroding the pipeline, and discharging the flue gas from the chimney 11.
And 6, directly discharging the flue gas from the chimney through the branch when a fault occurs.
The desulfurization effect is better, the desulfurization efficiency is high, the contact area of the alkali liquor and the flue gas is increased due to the arrangement of the spray nozzles, three-stage desulfurization is carried out through the spray pipes in the desulfurization tower, the reaction time is prolonged, the reaction is more sufficient, and the desulfurization effect is good; the desulfurized flue gas is firstly treated by the dehydration device, so that the generation of condensed water is reduced, the desulfurized flue gas is subjected to heat preservation by the gas heat exchanger, the corrosion of low-temperature wet flue gas to a pipeline is effectively prevented, and the service life of equipment is prolonged; continuously treating the desulfurization mixed liquor generated after desulfurization; and the arrangement of the branch is higher in safety when equipment fails.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a flue gas monobasic desulphurization unit for production super capacitor charcoal which characterized in that:
comprises a smoke exhaust pipeline (1), a desulfurizing tower (4), a regeneration tank (9), an alkali liquor tank (7), a gas heat exchanger (10) and a chimney (11) which are connected in sequence,
the smoke exhaust pipeline (1) is provided with an electrostatic dust collector (2) and a draught fan (3), the smoke exhaust pipeline (1) is communicated with a desulfurizing tower (4),
a spray pipe (5) is arranged in the desulfurizing tower (4), a plurality of spray heads are arranged on the spray pipe (5), one end of the spray pipe (5) is connected with an alkali liquor pool (7) through a circulating pump (6), one end of the alkali liquor pool (7) is connected with an alkali liquor feeding device (8), a dehydrating device for removing moisture in the desulfurized flue gas is arranged at the upper end of the desulfurizing tower (4),
the desulfurization tower (4) is sequentially communicated with the gas heat exchanger (10) and the chimney through pipelines, the gas inlet of the gas heat exchanger (10) is communicated with the smoke exhaust pipeline (1), the gas outlet of the gas heat exchanger (10) is communicated with the electrostatic dust collector (2), the bottom of the desulfurization tower (4) is of a funnel-shaped structure, and the bottom of the desulfurization tower (4) discharges desulfurization mixed liquid through the pipelines,
the bottom of the desulfurizing tower (4) is connected with a slag discharging device (12), the liquid of the slag discharging device (12) is communicated with a regeneration tank (9) through a pipeline, the regeneration tank (9) is communicated with an alkali liquor tank (7),
the smoke exhaust device is also provided with a branch (13), and the branch (13) is directly communicated with the smoke exhaust pipeline (1) and the chimney (11).
2. The flue gas single alkali desulfurization device for producing the super capacitor carbon as claimed in claim 1, characterized in that: the spray pipe (5) is provided with three layers for carrying out three-stage desulfurization reaction.
3. The flue gas single alkali desulfurization device for producing the super capacitor carbon as claimed in claim 1, characterized in that: the regeneration tank (9) is communicated with the slag discharge device (12) through a pipeline, the alkali liquor feeding device (8) is communicated with the regeneration tank (9) through a pipeline, a supernatant overflow hole is formed in the upper end of the regeneration tank (9), and the supernatant overflow hole is communicated with the alkali liquor tank (7) through a pipeline.
4. The flue gas single alkali desulfurization device for producing the super capacitor carbon as claimed in claim 1, characterized in that: the spray head is a spray head.
5. The flue gas single alkali desulfurization device for producing the super capacitor carbon as claimed in claim 1, characterized in that: the alkaline pH value in the alkaline liquid pool (7) is 9-11.
6. The use method of the flue gas single-alkali desulfurization device for producing the super-capacitor carbon is characterized by comprising the following steps of:
step 1, sulfur-containing flue gas is discharged through a smoke discharge pipeline (1), a draught fan (3) is started to drive a part of flue gas to enter a desulfurizing tower (4) through an electrostatic dust collector (2),
step 2, feeding the alkali liquor in the alkali liquor pool (7) into a spray pipe (5) in the desulfurizing tower (4) through a circulating pump (6), fully contacting with the flue gas, discharging the liquid drops sprayed by a spray nozzle from the bottom of the desulfurizing tower (4) after reaction, wherein the liquid drops have small sizes and larger contact surfaces with the flue gas,
step 3, the discharged desulfurization mixed liquor enters a regeneration tank (9) through a slag discharge device (12) and reacts with fresh alkali liquor in the regeneration tank (9), supernatant liquor flows into an alkali liquor tank (7) and is pumped into a desulfurization tower (4) by a circulating pump (6) for cyclic utilization,
step 4, after the desulfurized flue gas is discharged from the desulfurizing tower (4), sulfur dioxide, sulfur trioxide and the like are remained, condensate water can erode the pipeline, the flue gas which is not desulfurized enters the gas heat exchanger (10) along the branch (13), the desulfurized flue gas is heated and then enters the desulfurizing tower (4) for desulfurization,
and step 5, heating the desulfurized flue gas, effectively preventing the low-temperature wet flue gas from corroding the pipeline, and discharging the flue gas from a chimney (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011570018.7A CN112844020A (en) | 2020-12-26 | 2020-12-26 | Flue gas single-alkali desulfurization device for producing super-capacitor carbon and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011570018.7A CN112844020A (en) | 2020-12-26 | 2020-12-26 | Flue gas single-alkali desulfurization device for producing super-capacitor carbon and use method thereof |
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| CN112844020A true CN112844020A (en) | 2021-05-28 |
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| CN202011570018.7A Pending CN112844020A (en) | 2020-12-26 | 2020-12-26 | Flue gas single-alkali desulfurization device for producing super-capacitor carbon and use method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005152745A (en) * | 2003-11-25 | 2005-06-16 | Babcock Hitachi Kk | Wet flue gas desulfurization method and wet flue gas desulfurizer |
| CN102614768A (en) * | 2012-01-19 | 2012-08-01 | 新乡市亚洲金属循环利用有限公司 | Desulfurization reactor device |
| CN203764110U (en) * | 2014-02-21 | 2014-08-13 | 泰山石膏股份有限公司 | Hot blast furnace-smoke tower integrated desulfurization system for gypsum board |
| CN109603499A (en) * | 2018-12-13 | 2019-04-12 | 北京国电龙源环保工程有限公司 | A kind of hybrid flue gas condensing cooling device |
| CN210219835U (en) * | 2019-07-02 | 2020-03-31 | 廊坊市晋盛节能技术服务有限公司 | System for removing white smoke after desulfurization and GGH heating method |
-
2020
- 2020-12-26 CN CN202011570018.7A patent/CN112844020A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005152745A (en) * | 2003-11-25 | 2005-06-16 | Babcock Hitachi Kk | Wet flue gas desulfurization method and wet flue gas desulfurizer |
| CN102614768A (en) * | 2012-01-19 | 2012-08-01 | 新乡市亚洲金属循环利用有限公司 | Desulfurization reactor device |
| CN203764110U (en) * | 2014-02-21 | 2014-08-13 | 泰山石膏股份有限公司 | Hot blast furnace-smoke tower integrated desulfurization system for gypsum board |
| CN109603499A (en) * | 2018-12-13 | 2019-04-12 | 北京国电龙源环保工程有限公司 | A kind of hybrid flue gas condensing cooling device |
| CN210219835U (en) * | 2019-07-02 | 2020-03-31 | 廊坊市晋盛节能技术服务有限公司 | System for removing white smoke after desulfurization and GGH heating method |
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Application publication date: 20210528 |
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