CN112295391A - Desulfurization and denitrification flue gas advanced treatment method - Google Patents
Desulfurization and denitrification flue gas advanced treatment method Download PDFInfo
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- CN112295391A CN112295391A CN202011117602.7A CN202011117602A CN112295391A CN 112295391 A CN112295391 A CN 112295391A CN 202011117602 A CN202011117602 A CN 202011117602A CN 112295391 A CN112295391 A CN 112295391A
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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
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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Abstract
The invention relates to a flue gas advanced treatment method for desulfurization and denitrification. Comprises a washing tank, wherein a plurality of transverse partition plates are arranged in the washing tank to divide the interior of the washing tank into a plurality of independent washing areas; an air inlet chamber is arranged at the bottom of the washing tank, the flue gas is introduced into the air inlet chamber through an air inlet channel, an exhaust channel is arranged at the top of the washing tank, and the exhaust channel is communicated with a draught fan; when the cleaning solution overflows from the liquid discharge port, the induced draft fan is started, a negative pressure environment is formed in each washing area from top to bottom, finally, the negative pressure environment is formed in the air inlet cavity, the flue gas is guided into the submerged area by the first air guide pipe to be washed and then is introduced into the next washing area, and after the flue gas sequentially passes through each submerged area to be washed, the flue gas is finally sprayed and washed by the original solution of the cleaning solution in the exhaust passage, so that the washing effect on the flue gas can be effectively improved; the circulation process of washing liquid is located the inside of washing jar, lies in that the flue gas can fully retrieve after carrying out absorption reaction, does benefit to and carries out deepening processing after retrieving.
Description
Technical Field
The invention relates to the field of flue gas treatment, in particular to a flue gas advanced treatment method for desulfurization and denitrification.
Background
The flue gas desulfurization and denitration technology is a boiler flue gas purification technology applied to the chemical industry of generating multi-nitrogen oxides and sulfur oxides. Nitrogen oxides and sulfur oxides are one of the main sources of air pollution. The application of this technology is of considerable benefit for ambient air purification.
Wherein, the washing and absorption of the nitrogen oxides and the sulfur oxides contained in the flue gas by various washing liquids are widely applied to the treatment of the flue gas due to the simple equipment required and good washing effect;
however, the existing washing mode is usually a mode of single washing by spraying, the contact time of the washing liquid and the flue gas is short, deep absorption cannot be carried out, and the washing effect is poor;
how to improve the washing mode and improve the washing effect of the flue gas is urgently needed to be solved.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a flue gas advanced treatment method for desulfurization and denitrification.
The technical scheme for solving the technical problems is as follows:
a flue gas advanced treatment method for desulfurization and denitrification,
comprises a washing tank, wherein a plurality of transverse partition plates are arranged in the washing tank to divide the interior of the washing tank into a plurality of independent washing areas;
an air inlet chamber is arranged at the bottom of the washing tank, the flue gas is introduced into the air inlet chamber through an air inlet channel, an exhaust channel is arranged at the top of the washing tank, and the exhaust channel is communicated with a draught fan;
a first air duct is arranged on each transverse partition plate, the first air duct is of an inverted U-shaped structure, one end of the first air duct penetrates through the transverse partition plate, and the first air duct is communicated with the space below the transverse partition plate;
an overflow pipe is arranged between any adjacent forest washing areas, the upper end of the overflow pipe is communicated with the upper part of the washing area positioned above, and the lower end of the overflow pipe is communicated with the bottom of one washing area positioned below;
the lower end of an overflow pipe of a washing area positioned at the lowest part of the washing tank is communicated with the bottom of the air inlet chamber, and the side wall of the middle part of the air inlet chamber is connected with a liquid outlet;
the air inlet channel is connected to the upper part of the air inlet chamber;
a spray pipe is arranged in the exhaust passage and is connected with a liquid supply mechanism;
the processing steps comprise:
s1, introducing a washing liquid, starting a liquid supply mechanism to introduce the washing liquid into the washing tank through a spray pipe, collecting the washing liquid in a washing area at the top after the washing liquid enters the washing tank, overflowing the washing liquid into a next washing area through an overflow pipe when the liquid level of the washing liquid in the washing area rises to the height of the overflow pipe, and sequentially collecting washing liquid submerging areas with a certain depth in each washing area;
s2, introducing the flue gas, starting the induced draft fan after the washing liquid overflows in the liquid discharge port, forming a negative pressure environment in each washing area from top to bottom, finally forming a negative pressure environment in the air inlet cavity, introducing the flue gas, sequentially and upwards introducing the flue gas into each washing area through the first air guide pipe for washing, and finally discharging the flue gas out of the washing tank after the raw liquid passing through the washing liquid in the exhaust passage is sprayed and washed.
Further limiting, a plurality of air distribution holes are formed in the side wall of the exhaust end of the first air guide pipe, and the air distribution holes are located below the liquid level of the washing liquid.
Further limiting, an air guide inner tube is arranged in the exhaust end of the first air guide tube, and a fixing ring for fixing the upper end of the air guide inner tube is arranged above the air distribution hole in the first air guide tube;
the lower end of the air guide inner pipe is positioned in the first air guide pipe;
the ratio of the inner diameter of the air guide inner pipe to the inner diameter of the first air guide pipe is 1: 3-1: 2, and an air distribution channel is arranged between the outer wall of the air guide inner pipe and the inner wall of the first air guide pipe.
The upper end of the overflow pipe extends into the washing area and bends downwards to extend to the bottom of the washing area;
and the overflow pipes are provided with regulating valves for regulating the flux of the overflow pipes.
Further limiting, a dust remover is arranged at the air inlet end of the air inlet channel, and the dust remover is any one of a cyclone dust remover or a bag-type dust remover.
Further limiting, an air baffle is arranged in the air inlet cavity, and the air baffle divides the inner wall of the air inlet cavity into an air collecting chamber which is positioned above the air baffle and used for introducing and spreading smoke and an liquid collecting chamber which is positioned below the air baffle and used for collecting washing liquid;
the upper end of the second air duct is communicated with the air collection chamber, and the lower end of the second air duct extends below the liquid level of the liquid collection chamber;
the air inlet end of the first air duct of the washing area positioned at the lowest part extends downwards into the liquid collecting chamber and is positioned above the liquid level of the liquid collecting chamber;
the structure of the lower end of the second air duct is the same as that of the air outlet end of the first air duct.
The invention has the beneficial effects that:
the flue gas is guided into each washing zone from bottom to top in the guiding direction by arranging the plurality of washing zones, the washing liquid is collected and reserved in each washing zone to serve as a submerging zone, the flue gas is guided into the submerging zone by the first gas guide pipe to be washed, then is guided into the next washing zone, passes through each submerging zone in sequence to be washed, and finally is sprayed and washed by the raw liquid of the washing liquid in the exhaust passage, so that the washing effect on the flue gas can be effectively improved;
the circulation process of washing liquid is located the inside of washing jar, lies in that the flue gas can fully retrieve after carrying out absorption reaction, does benefit to and carries out deepening processing after retrieving.
Drawings
FIG. 1 is a schematic view of the construction of a wash tank;
FIG. 2 is a schematic view of the structure of the outlet end of the first airway tube;
in the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a washing tank 1, a transverse partition plate 2, a washing area 3, an air inlet cavity chamber 4, an air inlet channel 5, an exhaust channel 6, an induced draft fan 7, a first air duct 8, an overflow pipe 9, a liquid outlet 10, a spray pipe 11, a regulating valve 12, a dust remover 13, an air baffle 14, an air collection chamber 15, an air collection chamber 16, a second air duct 17, an air distribution hole 18, an air guide inner tube 19 and a fixing ring 20.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 and fig. 2, a flue gas advanced treatment method for desulfurization and denitrification,
comprises a washing tank 1, a plurality of transverse clapboards 2 are arranged in the washing tank 1, and the interior of the washing tank 1 is divided into a plurality of independent washing areas 3;
an air inlet chamber 4 is arranged at the bottom of the washing tank 1, the flue gas is introduced into the air inlet chamber 4 through an air inlet channel 5, an exhaust channel 6 is arranged at the top of the washing tank 1, and the exhaust channel 6 is communicated with an induced draft fan 7;
a first air duct 8 is arranged on each transverse partition plate 2, the first air duct 8 is of an inverted U-shaped structure, one end of the first air duct penetrates through the transverse partition plate 2, and the first air duct is communicated with the space below the transverse partition plate 2;
an overflow pipe 9 is arranged between any adjacent forest washing areas 3, the upper end of the overflow pipe 9 is communicated with the upper part of the washing area 3 positioned above, and the lower end of the overflow pipe 9 is communicated with the bottom of one washing area 3 positioned below;
the lower end of an overflow pipe 9 of the washing area 3 positioned at the lowest part of the washing tank 1 is communicated with the bottom of the air inlet chamber 4, and the side wall of the middle part of the air inlet chamber 4 is connected with a liquid outlet 10;
the air inlet 5 is connected to the upper part of the air inlet chamber 4;
a spray pipe 11 is arranged in the exhaust passage 6, and the spray pipe 11 is connected with a liquid supply mechanism;
the processing steps comprise:
s1, introducing a washing liquid, starting a liquid supply mechanism to introduce the washing liquid into the washing tank 1 through the spray pipe 11, collecting the washing liquid in one washing area 3 at the uppermost part after the washing liquid enters the washing tank 1, overflowing the washing liquid into the next washing area 3 through the overflow pipe 9 when the liquid level of the washing liquid in the washing area 3 rises to the height of the overflow pipe 9, and sequentially collecting a washing liquid submerged area with a certain depth in each washing area 3;
s2, introducing the flue gas, starting the induced draft fan 7 after the washing liquid overflows from the liquid discharge port 10, forming a negative pressure environment in each washing area 3 from top to bottom, finally forming a negative pressure environment in the air inlet cavity 4 for introducing the flue gas, sequentially introducing the flue gas upwards into each washing area 3 through the first air guide pipe 8 for washing, and finally discharging the flue gas out of the washing tank 1 after the raw liquid passing through the washing liquid is sprayed and washed in the exhaust passage 6.
The side wall of the exhaust end of the first air duct 8 is provided with a plurality of air distribution holes 18, and the air distribution holes 18 are positioned below the liquid level of the washing liquid.
An air guide inner tube 19 is arranged in the exhaust end of the first air guide tube 8, and a fixing ring 20 for fixing the upper end of the air guide inner tube 19 is arranged above the air distribution holes 18 in the first air guide tube 8;
the lower end of the air guide inner tube 19 is positioned in the first air guide tube 8;
the ratio of the inner diameter of the air guide inner tube 19 to the inner diameter of the first air guide tube 8 is 1:3 to 1:2, and an air distribution channel is arranged between the outer wall of the air guide inner tube 19 and the inner wall of the first air guide tube 8.
The upper end of the overflow pipe 9 extends into the washing area 3 and bends downwards to extend to the bottom of the washing area 3;
the overflow pipes 9 are all provided with regulating valves 12 for regulating the flux of the overflow pipes 9.
The air inlet end of the air inlet channel 5 is provided with a dust remover 13, and the dust remover 13 is any one of a cyclone dust remover 13 or a bag-type dust remover 13.
An air baffle plate 14 is arranged in the air inlet chamber 4, and the air baffle plate 14 divides the inner wall of the air inlet chamber 4 into an air collecting chamber 15 which is positioned above the air baffle plate 14 and used for introducing and spreading flue gas and a liquid collecting chamber 16 which is positioned below the air baffle plate 14 and used for collecting washing liquid;
a second air duct 17 is arranged on the air baffle 14, the upper end of the second air duct 17 is communicated with the air collection chamber 15, and the lower end of the second air duct 17 extends below the liquid level of the liquid collection chamber 16;
the air inlet end of the first air duct 8 of the lowest washing zone 3 extends downwards into the liquid collecting chamber 16 and is positioned above the liquid level of the liquid collecting chamber 16;
the structure of the lower end of the second air duct 17 is the same as that of the air outlet end of the first air duct 8.
In this embodiment:
by arranging the plurality of washing areas 3, the smoke is introduced into each washing area 3 from the bottom to the top in the introduction direction, the washing liquid is collected and reserved in each washing area 3 to serve as a submerged area, the smoke is introduced into the submerged area by the first air duct 8 for washing, then introduced into the next washing area 3, sequentially passes through each submerged area for washing, and finally passes through the original liquid of the washing liquid for spraying and washing in the exhaust duct 6, so that the washing effect on the smoke can be effectively improved;
the circulation process of the washing liquid is located in the washing tank 1, the washing liquid can be fully recovered after the flue gas is subjected to absorption reaction, and the deep treatment is favorably carried out after the recovery.
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 invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A desulfurization and denitrification flue gas advanced treatment method is characterized by comprising the following steps:
comprises a washing tank, wherein a plurality of transverse partition plates are arranged in the washing tank to divide the interior of the washing tank into a plurality of independent washing areas;
an air inlet chamber is arranged at the bottom of the washing tank, the flue gas is introduced into the air inlet chamber through an air inlet channel, an exhaust channel is arranged at the top of the washing tank, and the exhaust channel is communicated with a draught fan;
a first air duct is arranged on each transverse partition plate, the first air duct is of an inverted U-shaped structure, one end of the first air duct penetrates through the transverse partition plate, and the first air duct is communicated with the space below the transverse partition plate;
an overflow pipe is arranged between any adjacent forest washing areas, the upper end of the overflow pipe is communicated with the upper part of the washing area positioned above, and the lower end of the overflow pipe is communicated with the bottom of one washing area positioned below;
the lower end of an overflow pipe of a washing area positioned at the lowest part of the washing tank is communicated with the bottom of the air inlet chamber, and the side wall of the middle part of the air inlet chamber is connected with a liquid outlet;
the air inlet channel is connected to the upper part of the air inlet chamber;
a spray pipe is arranged in the exhaust passage and is connected with a liquid supply mechanism;
the processing steps comprise:
s1, introducing a washing liquid, starting a liquid supply mechanism to introduce the washing liquid into the washing tank through a spray pipe, collecting the washing liquid in a washing area at the top after the washing liquid enters the washing tank, overflowing the washing liquid into a next washing area through an overflow pipe when the liquid level of the washing liquid in the washing area rises to the height of the overflow pipe, and sequentially collecting washing liquid submerging areas with a certain depth in each washing area;
s2, introducing the flue gas, starting the induced draft fan after the washing liquid overflows in the liquid discharge port, forming a negative pressure environment in each washing area from top to bottom, finally forming a negative pressure environment in the air inlet cavity, introducing the flue gas, sequentially and upwards introducing the flue gas into each washing area through the first air guide pipe for washing, and finally discharging the flue gas out of the washing tank after the raw liquid passing through the washing liquid in the exhaust passage is sprayed and washed.
2. The desulfurization and denitrification flue gas advanced treatment method according to claim 1, characterized in that: the side wall of the exhaust end of the first air duct is provided with a plurality of air distribution holes, and the air distribution holes are positioned below the liquid level of the washing liquid.
3. The desulfurization and denitrification flue gas advanced treatment method according to claim 2, characterized in that: an air guide inner pipe is arranged in the exhaust end of the first air guide pipe, and a fixing ring for fixing the upper end of the air guide inner pipe is arranged above the air distribution hole in the first air guide pipe;
the lower end of the air guide inner pipe is positioned in the first air guide pipe;
the ratio of the inner diameter of the air guide inner pipe to the inner diameter of the first air guide pipe is 1: 3-1: 2, and an air distribution channel is arranged between the outer wall of the air guide inner pipe and the inner wall of the first air guide pipe.
4. The desulfurization and denitrification flue gas advanced treatment method according to claim 3, characterized in that: the upper end of the overflow pipe extends into the washing area and bends downwards to extend to the bottom of the washing area;
and the overflow pipes are provided with regulating valves for regulating the flux of the overflow pipes.
5. The desulfurization and denitrification flue gas advanced treatment method according to claim 4, characterized in that: the air inlet end of the air inlet channel is provided with a dust remover, and the dust remover is any one of a cyclone dust remover or a bag-type dust remover.
6. The desulfurization and denitrification flue gas advanced treatment method according to claim 5, characterized in that: an air baffle is arranged in the air inlet cavity, and the inner wall of the air inlet cavity is divided into an air collecting chamber which is positioned above the air baffle and used for introducing and spreading smoke and a liquid collecting chamber which is positioned below the air baffle and used for collecting washing liquid by the air baffle;
the upper end of the second air duct is communicated with the air collection chamber, and the lower end of the second air duct extends below the liquid level of the liquid collection chamber;
the air inlet end of the first air duct of the washing area positioned at the lowest part extends downwards into the liquid collecting chamber and is positioned above the liquid level of the liquid collecting chamber;
the structure of the lower end of the second air duct is the same as that of the air outlet end of the first air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117602.7A CN112295391A (en) | 2020-10-19 | 2020-10-19 | Desulfurization and denitrification flue gas advanced treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117602.7A CN112295391A (en) | 2020-10-19 | 2020-10-19 | Desulfurization and denitrification flue gas advanced treatment method |
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| Publication Number | Publication Date |
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| CN112295391A true CN112295391A (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011117602.7A Pending CN112295391A (en) | 2020-10-19 | 2020-10-19 | Desulfurization and denitrification flue gas advanced treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114288826A (en) * | 2021-12-30 | 2022-04-08 | 苏州赢众环保有限公司 | Height difference overflow water supplementing method for multistage waste gas spray tower |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2653210A1 (en) * | 2012-04-18 | 2013-10-23 | Siemens Aktiengesellschaft | Combustion assembly with flue gas washing and CO2 removal and method for operating same |
| CN105597513A (en) * | 2016-01-29 | 2016-05-25 | 石家庄宇清环保科技有限公司 | Flue gas desulfurizing and dust removing device of coal-fired boiler |
| CN205461533U (en) * | 2016-04-01 | 2016-08-17 | 临沂金誉石化有限公司 | Washing tank of petrochemical production usefulness |
| CN106178752A (en) * | 2016-08-28 | 2016-12-07 | 安徽天承科自动化科技有限公司 | A kind of assembled smoke gas washing tank |
| CN208406627U (en) * | 2018-05-30 | 2019-01-22 | 安徽思科环境系统工程技术有限公司 | A kind of flue gas desulfurization and denitrification device |
-
2020
- 2020-10-19 CN CN202011117602.7A patent/CN112295391A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2653210A1 (en) * | 2012-04-18 | 2013-10-23 | Siemens Aktiengesellschaft | Combustion assembly with flue gas washing and CO2 removal and method for operating same |
| CN105597513A (en) * | 2016-01-29 | 2016-05-25 | 石家庄宇清环保科技有限公司 | Flue gas desulfurizing and dust removing device of coal-fired boiler |
| CN205461533U (en) * | 2016-04-01 | 2016-08-17 | 临沂金誉石化有限公司 | Washing tank of petrochemical production usefulness |
| CN106178752A (en) * | 2016-08-28 | 2016-12-07 | 安徽天承科自动化科技有限公司 | A kind of assembled smoke gas washing tank |
| CN208406627U (en) * | 2018-05-30 | 2019-01-22 | 安徽思科环境系统工程技术有限公司 | A kind of flue gas desulfurization and denitrification device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114288826A (en) * | 2021-12-30 | 2022-04-08 | 苏州赢众环保有限公司 | Height difference overflow water supplementing method for multistage waste gas spray tower |
| CN114288826B (en) * | 2021-12-30 | 2024-03-19 | 苏州赢众环保有限公司 | Height difference overflow water supplementing method of multi-stage waste gas spray tower |
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Application publication date: 20210202 |
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