CN111905537A - Tail gas desulfurization device - Google Patents
Tail gas desulfurization device Download PDFInfo
- Publication number
- CN111905537A CN111905537A CN202010664901.6A CN202010664901A CN111905537A CN 111905537 A CN111905537 A CN 111905537A CN 202010664901 A CN202010664901 A CN 202010664901A CN 111905537 A CN111905537 A CN 111905537A
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- main body
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- rotating shaft
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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
- B01D53/50—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- 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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- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention is suitable for the technical field of chemical industry, and provides a tail gas desulfurization device; the method comprises the following steps: the device comprises a device main body, a valve body and a valve body, wherein the device main body is hollow inside and provided with an exhaust port at the top; the gas distributing piece is fixedly arranged in the device main body, and the outer side of the gas distributing piece is sleeved with a helical blade for guiding the flue gas; the dividing cylinder is fixedly arranged at the upper part of the gas distributing piece and is connected with the upper part of the transition cavity arranged in the gas distributing piece; the liquid separating ring is rotatably arranged on the outer side of the dividing cylinder, encloses a treatment cavity together with the dividing cylinder and the inner wall of the device main body, and is used for spraying adsorption liquid for adsorbing hydrogen sulfide; the rotating direction of the liquid separating ring is opposite to the spiral direction of the spiral blade, and the upper part of the dividing cylinder is provided with a through hole; the air inlet pipe is fixedly arranged on the device main body, and the outlet end of the air inlet pipe is arranged right below the air distributing piece; and the mist catcher is arranged on the upper part of the liquid separating ring. The invention also increases the contact stroke of the flue gas and the adsorption liquid, and better improves the adsorption effect and the adsorption efficiency.
Description
Technical Field
The invention relates to the technical field of chemical industry, in particular to a tail gas desulfurization device.
Background
In order to achieve obvious effects on environmental indexes such as air pollution prevention and control, the control of the flue gas emission index of the power station boiler serving as a main air pollution source is very important. The national calls of all provinces and cities are responded respectively, ultra-low emission indexes are established and executed in many places, and the smoke discharged by the coal-fired boiler meets the emission requirement of the gas-fired boiler of the rotating shaft 11 in the emission Standard of atmospheric pollutants of the thermal power plant GB-13223-20, wherein: the emission concentration of SO2 is less than or equal to 35mg/Nm3, the emission concentration of smoke dust is less than or equal to 5mg/Nm3, and the ammonia escape is less than or equal to 5mg/Nm 3.
The prior art desulfurization treatment method also has the problem that the desulfurization efficiency cannot reach the design index, so a tail gas desulfurization device needs to be designed to solve the problem.
Disclosure of Invention
The present invention is directed to a tail gas desulfurization device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a tail gas desulfurization device comprising: the device comprises a device main body, a valve body and a valve body, wherein the device main body is hollow inside and provided with an exhaust port at the top;
the gas distributing piece is fixedly arranged in the device main body, and the outer side of the gas distributing piece is sleeved with a helical blade for guiding the flue gas;
the dividing cylinder is fixedly arranged at the upper part of the gas distributing piece and is connected with the upper part of the transition cavity arranged in the gas distributing piece;
the liquid separating ring is rotatably arranged on the outer side of the dividing cylinder, encloses a treatment cavity together with the dividing cylinder and the inner wall of the device main body, and is used for spraying adsorption liquid for adsorbing hydrogen sulfide;
the rotating direction of the liquid separating ring is opposite to the spiral direction of the spiral blade, and the upper part of the dividing cylinder is provided with a through hole;
the air inlet pipe is fixedly arranged on the device main body, and the outlet end of the air inlet pipe is arranged right below the air distributing piece; and the number of the first and second groups,
and the mist catcher is arranged on the upper part of the liquid separating ring.
As a further scheme of the invention: the bottom of the gas distributing piece is arranged to be inverted cone-shaped.
As a still further scheme of the invention: divide liquid ring upper end fixed mounting to have the connecting rod, connecting rod upper end fixed mounting is in the pivot, the pivot rotate with the device main part inside.
As a still further scheme of the invention: the liquid separating ring is communicated with the inside of the rotating shaft through a connecting rod, a liquid supply sleeve which is rotatably arranged is sleeved on the outer side of the rotating shaft, the inside of the liquid supply sleeve is communicated with a communication port in the rotating shaft, and the communication port is communicated with the inside of the rotating shaft.
As a still further scheme of the invention: a driving mechanism is arranged in the device main body.
As a still further scheme of the invention: the driving mechanism comprises a gear A and a gear B, wherein the gear A is fixedly sleeved on the rotating shaft, the gear B is meshed with the gear A, the gear B is fixedly installed at the output end of the motor, and the motor is fixedly installed inside the device main body.
As a still further scheme of the invention: the mist catcher is arranged in a vertical vibration mode.
As a still further scheme of the invention: the rotating shaft penetrates through the middle of the mist catcher, two ends of the mist catcher are elastically installed inside the device main body, two driven rods are symmetrically arranged on the mist catcher, the upper ends of the driven rods abut against the rotating ring, grooves are symmetrically formed in the rotating ring, the driven rods are arranged on the rotating track of the grooves, the rotating ring is fixedly installed on the driving plate, and the driving plate is fixedly sleeved on the rotating shaft.
As a still further scheme of the invention: the two sides of the mist catcher are arranged in the device main body in a vertical vibration mode through elastic supports.
Compared with the prior art, the invention has the beneficial effects that: the gas inlet pipe inputs the flue gas to be treated into the device main body, the helical blade on the outer side of the gas distribution piece guides the flue gas, so that the flue gas rotates, the particulate matters in the flue gas impact on the inside of the device main body under the action of centrifugal force and then fall down, the particulate matters in the flue gas are cleaned, meanwhile, the flue gas enters the treatment cavity in a helical manner, the liquid distribution ring rotates and is different from the helical direction of the flue gas, the adsorption liquid sprayed out by the liquid distribution ring collides with the flue gas in the opposite direction, the adsorption effect is further improved, meanwhile, the helical motion of the flue gas also increases the contact stroke of the flue gas and the adsorption liquid, and the adsorption effect and the adsorption efficiency are better improved; the flue gas after the absorption is accomplished enters into device main part upper portion through the gas distribution piece and then the absorption liquid in the flue gas is adsorbed to the mist catcher, prevents that the absorption liquid from discharging to the air in, and then guarantees the quality of exhaust gas, satisfies the environmental protection requirement.
Drawings
Fig. 1 is a schematic structural diagram of a tail gas desulfurization apparatus.
Fig. 2 is a schematic structural diagram of a gas distributing member in the tail gas desulfurization device.
Fig. 3 is a schematic structural diagram of a liquid-separating ring in a tail gas desulfurization device.
In the figure: the device comprises a device main body-1, a gas distribution piece-2, a helical blade-3, a transition cavity-4, a dividing cylinder-5, a processing cavity-6, a liquid distribution ring-7, a mist catcher-8, an elastic support-9, a connecting rod-10, a rotating shaft-11, a liquid supply sleeve-12, a liquid conveying pipe-13, a driven rod-14, a driving plate-15, a rotating ring-16, a gear A-17, an air outlet-18, a gear B-19, a motor-20, an air inlet pipe-21 and a through hole-22.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, a structure diagram of a tail gas desulfurization apparatus provided in an embodiment of the present invention includes: a device body 1 which is hollow inside and has an exhaust port 18 at the top;
the gas distributing piece 2 is fixedly arranged inside the device main body 1, and the outer side of the gas distributing piece is sleeved with a spiral blade 3 for guiding the smoke gas so that the smoke gas spirally rotates, and particles in the smoke gas impact the inner wall of the device main body 1 under the action of centrifugal force and are separated out;
the dividing cylinder 5 is fixedly arranged at the upper part of the gas distributing piece 2 and is connected with the upper part of the transition cavity 4 arranged in the gas distributing piece 2;
the liquid separating ring 7 is rotatably arranged on the outer side of the dividing cylinder 5, the liquid separating ring 7, the dividing cylinder 5 and the inner wall of the device main body 1 enclose a treatment cavity 6, and the liquid separating ring 7 is used for spraying adsorption liquid for adsorbing hydrogen sulfide;
wherein, the rotation direction of the liquid separating ring 7 is opposite to the spiral direction of the spiral blade 3, and the upper part of the dividing cylinder 5 is provided with a through hole 22;
the air inlet pipe 21 is fixedly arranged on the device main body 1, and the outlet end of the air inlet pipe 21 is arranged right below the air distributing piece 2; and the number of the first and second groups,
and the mist catcher 8 is arranged at the upper part of the liquid separation ring 7.
In the embodiment of the invention, the gas inlet pipe 21 inputs the flue gas to be treated into the device main body 1, the helical blade 3 on the outer side of the gas distributing piece 2 guides the flue gas, so that the flue gas rotates, particulate matters in the flue gas impact on the inside of the device main body 1 under the action of centrifugal force and then fall down, the particulate matters in the flue gas are cleaned, meanwhile, the flue gas enters the treatment cavity 6 in a helical manner, the liquid distributing ring 7 rotates and has a different direction from the helical direction of the flue gas, the adsorption liquid sprayed by the liquid distributing ring 7 collides with the flue gas in the opposite direction, the adsorption effect is improved, meanwhile, the contact stroke of the flue gas and the adsorption liquid is increased due to the helical movement of the flue gas, the adsorption effect is better improved, and; the flue gas after the absorption is accomplished enters into device main part 1 upper portion through gas-distributing piece 2 then the absorption liquid in the flue gas is adsorbed to mist catcher 8, prevents that the absorption liquid from discharging to the air in, and then guarantees the quality of exhaust gas, satisfies the environmental protection requirement.
As shown in fig. 1, in order to uniformly disperse the gas entering the inside of the device body 1, as a preferred embodiment of the present invention, the bottom of the gas distributor 2 is formed in an inverted cone shape, and the outlet of the gas inlet pipe 21 is arranged right below the gas distributor 2, so that the flue gas can be well dispersed.
In order to install branch liquid ring 7 in device main part 1 inside in the rotation, consequently divide liquid ring 7 upper end fixed mounting to have connecting rod 10, connecting rod 10 upper end fixed mounting is on pivot 11, pivot 11 rotate with device main part 1 inside, and then make pivot 11 rotate, can drive branch liquid ring 7 and rotate, realize rotating and spray the adsorption liquid.
In order to provide the adsorption liquid for the liquid separating ring 7, the liquid separating ring 7 is communicated with the inside of the rotating shaft 11 through a connecting rod 10, a liquid supply sleeve 12 which is rotatably arranged is sleeved on the outer side of the rotating shaft 11, the inside of the liquid supply sleeve 12 is communicated with a communication port in the rotating shaft 11, the communication port is communicated with the inside of the rotating shaft 11, the adsorption liquid is conveyed for the liquid separating ring 7, and a liquid conveying pipe 13 on the liquid supply sleeve 12 is externally connected with high-pressure adsorption liquid. The liquid supply sleeve 12 is fixedly installed inside the apparatus main body 1.
In order to drive the rotating shaft 11 to rotate, a driving mechanism is arranged inside the device main body 1, specifically, the driving mechanism comprises an a gear 17 fixedly sleeved on the rotating shaft 11 and a B gear 19 meshed with the a gear 17, the B gear 19 is fixedly installed at the output end of a motor 20, and the motor 20 is fixedly installed inside the device main body 1. When the motor 20 is electrified to rotate, the B gear 19 and the A gear 17 drive the rotating shaft 11 to rotate, and power the rotation of the liquid separating ring 7.
The mist catcher 8 is prevented from vibrating up and down because the absorption holes on the mist catcher 8 are blocked by the absorption liquid on the mist catcher 8. Specifically, the rotating shaft 11 penetrates through the middle of the mist catcher 8, two ends of the mist catcher 8 are elastically installed inside the device main body 1, two driven rods 14 are symmetrically arranged on the mist catcher 8, the upper ends of the driven rods 14 abut against the rotating ring 16, grooves are symmetrically formed in the rotating ring 16, the driven rods 14 are arranged on the rotating track of the grooves, the rotating ring 16 is fixedly installed on the driving plate 15, the driving plate 15 is fixedly sleeved on the rotating shaft 11, specifically, the rotating shaft 11 rotates, the rotating shaft 11 drives the driving plate 15 to rotate, the driving plate 15 drives the mist catcher 8 to vibrate up and down through the rotating ring 16, adsorption liquid captured on the air outlet 18 is shaken off, and the adsorption hole of the air outlet 18 is prevented from being blocked.
The two sides of the mist catcher 8 are arranged in the device main body 1 in a vertical vibration mode through elastic supports 9.
In order to shake off the adsorption liquid and discharge into the bottom of the device body 1, a liquid discharge flow channel is arranged at the bottom of the transition cavity 4, and a U-shaped end is arranged on the liquid discharge flow channel, so that the arrangement prevents the flue gas from entering the transition cavity 4 through the liquid discharge flow channel and failing to complete the adsorption treatment. The outlet of the liquid discharge flow passage is provided inside the apparatus main body 1.
The working principle of the invention is as follows: the gas inlet pipe 21 inputs the flue gas to be treated into the device main body 1, the helical blades 3 on the outer side of the gas distribution piece 2 guide the flue gas to enable the flue gas to rotate, particulate matters in the flue gas impact on the inside of the device main body 1 under the action of centrifugal force and then fall down, the particulate matters in the flue gas are cleaned, meanwhile, the flue gas enters the treatment cavity 6 in a helical mode, the liquid distribution ring 7 rotates and is different from the helical direction of the flue gas, adsorption liquid sprayed out of the liquid distribution ring 7 collides with the flue gas in the opposite direction, the adsorption effect is improved, meanwhile, the contact stroke of the flue gas and the adsorption liquid is increased due to the helical motion of the flue gas, and the adsorption effect and the adsorption efficiency are improved better; the flue gas after adsorption enters the upper part of the device main body 1 through the gas distributing part 2, and then the mist catcher 8 adsorbs the adsorption liquid in the flue gas, so that the adsorption liquid is prevented from being discharged into the air, the quality of the discharged gas is further ensured, and the environmental protection requirement is met; meanwhile, the driving plate 15 rotates along with the rotating shaft 11, the rotating ring 16 drives the mist catcher 8 to shake up and down through the driven rod 14, so that the adsorption liquid on the mist catcher 8 shakes off, the blockage is avoided, and the smoke passing efficiency is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A tail gas desulfurization apparatus, comprising: a device main body (1) which is hollow inside and provided with an exhaust port (18) at the top;
the gas distribution piece (2) is fixedly arranged in the device main body (1), and the outer side of the gas distribution piece is sleeved with a helical blade (3) for guiding the flue gas;
the dividing cylinder (5) is fixedly arranged on the upper part of the gas distributing piece (2) and is connected with the upper part of the transition cavity (4) arranged in the gas distributing piece (2);
the liquid separating ring (7) is rotatably arranged on the outer side of the dividing cylinder (5), the liquid separating ring (7), the dividing cylinder (5) and the inner wall of the device main body (1) enclose a treatment cavity (6), and the liquid separating ring (7) is used for spraying adsorption liquid for adsorbing hydrogen sulfide;
wherein the rotation direction of the liquid separating ring (7) is opposite to the spiral direction of the spiral blade (3), and the upper part of the dividing cylinder (5) is provided with a through hole (22);
the air inlet pipe (21) is fixedly arranged on the device main body (1), and the outlet end of the air inlet pipe (21) is arranged right below the air distributing piece (2); and the number of the first and second groups,
and the mist catcher (8) is arranged at the upper part of the liquid separating ring (7).
2. The tail gas desulfurization device according to claim 1, characterized in that the bottom of the gas distribution member (2) is formed in an inverted cone shape.
3. The tail gas desulfurization device according to claim 1, characterized in that a connecting rod (10) is fixedly mounted at the upper end of the liquid separation ring (7), the upper end of the connecting rod (10) is fixedly mounted on a rotating shaft (11), and the rotating shaft (11) rotates with the inside of the device body (1).
4. The tail gas desulfurization device according to claim 3, wherein the liquid separation ring (7) is communicated with the inside of the rotating shaft (11) through a connecting rod (10), a liquid supply sleeve (12) is rotatably sleeved on the outer side of the rotating shaft (11), the inside of the liquid supply sleeve (12) is communicated with a communication port on the rotating shaft (11), and the communication port is communicated with the inside of the rotating shaft (11).
5. The exhaust gas desulfurization device according to claim 4, characterized in that a drive mechanism is provided inside the device main body (1).
6. The tail gas desulfurization device according to claim 5, wherein the driving mechanism comprises an A gear (17) fixedly sleeved on the rotating shaft (11) and a B gear (19) engaged with the A gear (17), the B gear (19) is fixedly installed at the output end of the motor (20), and the motor (20) is fixedly installed inside the device main body (1).
7. The exhaust gas desulfurization apparatus according to any one of claims 1 to 6, characterized in that the mist trap (8) is disposed to vibrate up and down.
8. The tail gas desulfurization device according to claim 7, wherein the rotating shaft (11) is disposed through the middle of the mist catcher (8), the two ends of the mist catcher (8) are elastically mounted inside the device body (1), two driven rods (14) are symmetrically disposed on the mist catcher (8), the upper ends of the driven rods (14) abut against a rotating ring (16), grooves are symmetrically disposed on the rotating ring (16), the driven rods (14) are disposed on the rotating tracks of the grooves, the rotating ring (16) is fixedly mounted on a driving plate (15), and the driving plate (15) is fixedly sleeved on the rotating shaft (11).
9. The exhaust gas desulfurization apparatus according to claim 8, characterized in that both sides of the mist catcher (8) are installed inside the apparatus main body (1) by vibrating up and down through the elastic support (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664901.6A CN111905537A (en) | 2020-07-10 | 2020-07-10 | Tail gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664901.6A CN111905537A (en) | 2020-07-10 | 2020-07-10 | Tail gas desulfurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111905537A true CN111905537A (en) | 2020-11-10 |
Family
ID=73226347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010664901.6A Withdrawn CN111905537A (en) | 2020-07-10 | 2020-07-10 | Tail gas desulfurization device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111905537A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115739423A (en) * | 2022-11-22 | 2023-03-07 | 连云港赣榆康恒环保能源有限公司 | High-speed rotation centrifugal desulfurization atomizer for garbage power generation |
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| CN102091496A (en) * | 2011-01-17 | 2011-06-15 | 南通市煌埔机械制造有限公司 | Double-effect dust remover with long service life |
| CN204320067U (en) * | 2014-11-10 | 2015-05-13 | 四川君和环保股份有限公司 | A kind of circulation desulfurization denitration absorption tower |
| CN104998470A (en) * | 2015-08-05 | 2015-10-28 | 上海锅炉厂有限公司 | Spiral-flow type flue gas dedusting and demisting device |
| CN107638765A (en) * | 2016-07-21 | 2018-01-30 | 中国科学院大连化学物理研究所 | A kind of low noise low energy consumption air cleaning unit |
| CN107854933A (en) * | 2017-12-15 | 2018-03-30 | 南京菱亚汽车技术研究院 | A kind of spray column with automatic clearing function based on Internet of Things |
| CN108283879A (en) * | 2018-04-19 | 2018-07-17 | 丹东蓝天环保锅炉制造有限公司 | Boiler double back journey desulfuring and denitrifying apparatus |
-
2020
- 2020-07-10 CN CN202010664901.6A patent/CN111905537A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091496A (en) * | 2011-01-17 | 2011-06-15 | 南通市煌埔机械制造有限公司 | Double-effect dust remover with long service life |
| CN204320067U (en) * | 2014-11-10 | 2015-05-13 | 四川君和环保股份有限公司 | A kind of circulation desulfurization denitration absorption tower |
| CN104998470A (en) * | 2015-08-05 | 2015-10-28 | 上海锅炉厂有限公司 | Spiral-flow type flue gas dedusting and demisting device |
| CN107638765A (en) * | 2016-07-21 | 2018-01-30 | 中国科学院大连化学物理研究所 | A kind of low noise low energy consumption air cleaning unit |
| CN107854933A (en) * | 2017-12-15 | 2018-03-30 | 南京菱亚汽车技术研究院 | A kind of spray column with automatic clearing function based on Internet of Things |
| CN108283879A (en) * | 2018-04-19 | 2018-07-17 | 丹东蓝天环保锅炉制造有限公司 | Boiler double back journey desulfuring and denitrifying apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115739423A (en) * | 2022-11-22 | 2023-03-07 | 连云港赣榆康恒环保能源有限公司 | High-speed rotation centrifugal desulfurization atomizer for garbage power generation |
| CN115739423B (en) * | 2022-11-22 | 2023-08-25 | 连云港赣榆康恒环保能源有限公司 | High-speed rotation centrifugal desulfurization atomizer for garbage power generation |
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Application publication date: 20201110 |
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