CN112933912A - Novel high-efficient spiral vortex marsh gas wet flue gas desulfurization device - Google Patents
Novel high-efficient spiral vortex marsh gas wet flue gas desulfurization device Download PDFInfo
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- CN112933912A CN112933912A CN202110301511.7A CN202110301511A CN112933912A CN 112933912 A CN112933912 A CN 112933912A CN 202110301511 A CN202110301511 A CN 202110301511A CN 112933912 A CN112933912 A CN 112933912A
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- main tank
- tank body
- pipe
- methane
- spiral vortex
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000006477 desulfuration reaction Methods 0.000 title claims description 18
- 230000023556 desulfurization Effects 0.000 title claims description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims description 4
- 239000003546 flue gas Substances 0.000 title claims description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 77
- 239000007789 gas Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 230000036541 health Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 12
- 230000009471 action Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 230000007059 acute toxicity Effects 0.000 description 1
- 231100000403 acute toxicity Toxicity 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- HRKQOINLCJTGBK-UHFFFAOYSA-N dihydroxidosulfur Chemical compound OSO HRKQOINLCJTGBK-UHFFFAOYSA-N 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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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
- B01D53/52—Hydrogen sulfide
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/05—Biogas
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a novel efficient spiral vortex methane wet desulphurization device, belongs to the technical field of methane desulphurization devices, and solves the problem that H in methane is generated in the use process of the methane2S pollutes the environment and harms the human health. This desulphurization unit includes the main jar of body, the main jar of internal spiral deflector that is equipped with rather than inner wall connection of body, the main jar of internal airflow guide pipe that runs through the spiral deflector that is equipped with of body, the main jar of body upper end be equipped with rather than the end cover of being connected, the end cover up end be equipped with the intake pipe, the end cover under the terminal surface be connected with the one end of airflow guide pipe, intake pipe and airflow guide pipe intercommunication, the main jar of internal sodium hydroxide solution that is equipped with of body, the peripheral one side of the main jar of body on be equipped with the outlet duct, the outlet duct be located sodium hydroxide solution top. The novel efficient spiral vortex methane wet desulphurization device can efficiently carry out desulphurization on methane, and is applicable toWide range and strong practicability.
Description
Technical Field
The invention relates to the technical field of biogas desulfurization devices, in particular to a novel efficient spiral vortex biogas wet desulfurization device.
Background
The application of the biogas as a new energy source is more and more extensive, the biogas is strictly regulated in the national environmental protection standard, and H in the biogas gas is generated when the biogas energy source is utilized2The S content should not exceed 20mg/m 3. In industrial or civil gas, it is necessary to remove H as much as possible2And S. When biogas is produced from an anaerobic fermentation device, in particular during medium-temperature or high-temperature fermentationCarrying a large amount of H2And S. Because a large amount of water vapor exists in the biogas, the water and H in the biogas2And the corrosion and the blockage of metal pipelines, valves and flow meters are accelerated under the combined action of S. In addition, H2SO2 generated after S combustion is combined with water vapor in combustion products to form sulfurous acid, SO that metal surfaces of equipment are corroded, and the atmospheric environment is polluted to influence human health. H2S also has extremely strong acute toxicity, so in order to ensure human health and environmental protection, H must be removed before biogas is used2S, along with the continuous improvement of environmental protection standards, the existing wet desulphurization device can not meet the desulphurization requirement of the biogas.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, provides a novel efficient spiral vortex methane wet desulphurization device, can efficiently carry out desulphurization on methane, and has the characteristics of wide application range and strong practicability.
The technical scheme adopted by the invention is as follows: the utility model provides a novel high-efficient spiral vortex marsh gas wet flue gas desulfurization device, includes the main jar of body, the main jar internal spiral deflector that is equipped with rather than inner wall connection, the internal air current stand pipe that runs through the spiral deflector that is equipped with of main jar, main jar of body upper end be equipped with rather than the end cover of being connected, the end cover up end be equipped with the intake pipe, intake pipe and air current stand pipe intercommunication, the main jar internal sodium hydroxide solution that is equipped with of body, main jar of peripheral one side on be equipped with the outlet duct, the outlet duct be located sodium hydroxide solution top.
As a further improvement, the spiral guide plate is provided with a plurality of convex blocks which are uniformly arranged.
Furthermore, a plurality of supporting legs are arranged below the main tank body, the supporting legs are uniformly distributed on the main tank body, a drain pipe communicated with the main tank body is arranged at the bottom of the main tank body, and a drain switch is arranged on the drain pipe.
Furthermore, a clearance cavity is arranged at the bottoms of the airflow guide pipe and the main tank body.
Furthermore, an air diffuser is arranged at one end, far away from the end cover, of the airflow guide pipe.
Furthermore, the peripheral one side of main jar of body on be equipped with the feed liquor pipe of radial arrangement, the feed liquor pipe on be equipped with the feed liquor switch.
Furthermore, a plurality of buffer pieces are arranged on the inner wall of the airflow guide pipe, one end of each buffer piece is connected with the inner wall of the airflow guide pipe, and the other end of each buffer piece faces to the central line of the airflow guide pipe.
Further, the bottom of the main tank body is provided with a stirring device, the stirring device comprises a motor and a stirrer, the motor is installed at the bottom of the main tank body, and the stirrer is connected with an output shaft of the motor.
Furthermore, the periphery of the main tank body is provided with a heat insulation shell, and a plurality of support rods are arranged between the heat insulation shell and the main tank body.
Advantageous effects
Compared with the prior art, the invention has the following advantages:
according to the novel efficient spiral vortex wet-process methane desulfurization device, methane enters the airflow guide pipe through the air inlet pipe, then uniformly disperses in the sodium hydroxide solution from the gas diffuser of the airflow guide pipe, the methane speed is reduced under the action of the buffer sheet of the airflow guide pipe, the time for the methane to stay in the sodium hydroxide solution is prolonged, the desulfurization reaction time is longer, the methane and the sodium hydroxide solution are better mixed, the desulfurization effect is improved, the mixing reaction time of the methane and the sodium hydroxide solution is also prolonged under the action of the spiral guide plate, and the desulfurization effect is also improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the stirring apparatus of the present invention.
Wherein: 1-air inlet pipe, 2-air flow guide pipe, 3-spiral guide plate, 4-main tank, 5-sodium hydroxide solution, 6-air outlet pipe, 7-water outlet pipe, 8-water discharge switch, 9-supporting leg, 10-air diffuser, 11-convex block, 12-end cover, 13-liquid inlet switch, 14-liquid inlet pipe, 15-buffer sheet, 16-stirrer, 17-motor, 18-heat insulation shell, 19-supporting rod, 161-stirring rod and 162-rotating shaft.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-3, the novel efficient spiral vortex wet desulphurization device for biogas of the present invention comprises a main tank 4, a spiral guide plate 3 connected with the inner wall of the main tank 4 is arranged in the main tank 4, an airflow guide pipe 2 penetrating through the spiral guide plate 3 is arranged in the main tank 4, an end cover 12 connected with the main tank 4 is arranged at the upper end of the main tank 4, an air inlet pipe 1 is arranged at the upper end surface of the end cover 12, the air inlet pipe 1 is communicated with the airflow guide pipe 2, a sodium hydroxide solution 5 is arranged in the main tank 4, an air outlet pipe 6 is arranged at one side of the periphery of the main tank 4, the air outlet pipe 6 is positioned above the sodium hydroxide solution 5, biogas enters the airflow guide pipe 2 from the air inlet pipe 1 and flows to the bottom of the main tank 4 from the airflow guide pipe 2, a certain distance is arranged between the airflow guide pipe 2 and the bottom of the main tank 4 to prevent the biogas from being directly sprayed to the main tank 4, so that the, under the action of the spiral guide plate 3, the gas rises spirally, and the H of the methane is increased2The reaction time of S and the sodium hydroxide solution 5, and simultaneously, the marsh gas and the sodium hydroxide solution 5 are better mixed, the marsh gas desulfurization effect is improved, the marsh gas is efficiently desulfurized, and finally, the desulfurized marsh gas is discharged from the gas outlet pipe 6.
Specifically, be equipped with a plurality of protruding pieces 11 of evenly arranging on spiral deflector 3, when can making marsh gas flow out from spiral deflector 3, play the effect of vortex, make marsh gas more of a specified duration at the time that spiral deflector 3 stops, marsh gas and 5 misce benes of sodium hydroxide solution, desulfurization effect can be effectively improved.
Preferably, a plurality of supporting legs 9 are arranged below the main tank 4, the supporting legs 9 are uniformly distributed on the main tank 4, a drain pipe 7 communicated with the main tank 4 is arranged at the bottom of the main tank 4, a drain switch 8 is arranged on the drain pipe 7, and when the sodium hydroxide solution 5 needs to be replaced, the drain switch 8 is turned on, and liquid is discharged from the drain pipe 7.
Furthermore, the air flow guide pipe 2 and the bottom of the main tank body 4 are separated by a buffer distance, so that methane can be prevented from being directly sprayed to the bottom of the main tank body 4, the main tank body 4 is enabled to rock, the methane rising speed is accelerated due to the action of bottom reflection, and H in the methane can be generated2S is discharged after the reaction is not ready, so that the desulfurization effect is reduced.
Furthermore, a gas diffuser 10 is arranged at one end of the airflow guide pipe 2, which is far away from the end cover 12, and the biogas is uniformly dispersed in the sodium hydroxide solution 5 from the gas diffuser 10, so that the biogas and the sodium hydroxide solution 5 are better mixed, and the desulfurization effect is improved.
Further, be equipped with the feed liquor pipe 14 of radial arrangement on the peripheral one side of main jar of body 4, be equipped with feed liquor switch 13 on feed liquor pipe 14, when the concentration of sodium hydroxide solution 5 was not enough, from drain pipe 7 back discharge, turn on feed liquor switch 13, increase sodium hydroxide solution 5 in the main jar of body 4 from feed liquor pipe 14.
Further, be equipped with a plurality of buffer pieces 15 on the inner wall of air current stand pipe 2, buffer piece 15 one end and air current stand pipe 2's inner wall connection, the other end is towards the central line of air current stand pipe 2, a plurality of buffer pieces 15 dislocation arrangement, marsh gas incoming velocity is too fast, it is also fast to discharge, can make the marsh gas desulfurization incomplete like this, under buffer piece 15's effect, slow down the speed of marsh gas, make marsh gas fully mix with sodium hydroxide solution 5, H in the marsh gas2The S fully reacts with the sodium hydroxide solution 5, so that the desulfurization effect of the methane is improved, and the methane is efficiently desulfurized.
Further, 4 bottoms of the main tank body are equipped with agitating unit, agitating unit includes motor 17 and agitator 16, motor 17 installs in 4 bottoms of the main tank body, agitator 16 and motor 17's output shaft, motor 17's output shaft runs through the main tank body 4, agitator 16 includes pivot 162 and a plurality of puddler 161, the one end of a plurality of puddlers 161 all is connected with pivot 162, pivot 162 passes through the coupling joint with motor 17's output shaft, a plurality of puddlers 161 from outside center slope arrangement, it rotates to drive sodium hydroxide solution 5 through 16 rotations of agitator, make marsh gas and 5 better mixes of sodium hydroxide solution, thereby improve desulfurization effect.
Further, a heat insulation shell 18 is arranged on the periphery of the main tank body 4, a plurality of support rods 19 are arranged between the heat insulation shell 18 and the main tank body 4, and the sodium hydroxide solution 5 and H in the methane2The S reaction generates heat, the temperature of the main tank body 4 rises, the heat insulation shell 18 effectively avoids scalding, and the support rod 19 ensures the stability of the main tank body 4. So that the main tank body 4 can not shake in the using process.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the invention, which will not affect the effect of the invention and the practicability of the patent.
Claims (9)
1. The utility model provides a novel high-efficient spiral vortex marsh gas wet flue gas desulfurization device, a serial communication port, including the main tank body (4), the main tank body (4) in be equipped with spiral deflector (3) rather than interior wall connection, the main tank body (4) in be equipped with air current stand pipe (2) that run through spiral deflector (3), the main tank body (4) upper end be equipped with rather than connected end cover (12), end cover (12) up end be equipped with intake pipe (1), intake pipe (1) and air current stand pipe (2) intercommunication, the main tank body (4) in be equipped with sodium hydroxide solution (5), the main tank body (4) periphery one side on be equipped with outlet duct (6), outlet duct (6) be located sodium hydroxide solution (5) top.
2. The novel efficient spiral vortex biogas wet desulphurization device according to claim 1, wherein the spiral guide plate (3) is provided with a plurality of uniformly arranged raised blocks (11).
3. The novel efficient spiral vortex wet methane desulfurization device according to claim 1, characterized in that a plurality of supporting feet (9) are arranged below the main tank body (4), the supporting feet (9) are uniformly distributed on the main tank body (4), a drain pipe (7) communicated with the main tank body (4) is arranged at the bottom of the main tank body (4), and a drain switch (8) is arranged on the drain pipe (7).
4. The novel efficient spiral vortex wet desulphurization device for biogas as recited in claim 1, wherein a clearance cavity is arranged between the airflow guide pipe (2) and the bottom of the main tank body (4).
5. The novel efficient spiral vortex biogas wet desulphurization device according to claim 1, wherein a diffuser (10) is arranged at one end of the gas flow guide pipe (2) far away from the end cover (12).
6. A novel high-efficiency spiral vortex wet desulphurization device for biogas according to claim 1, characterized in that one side of the periphery of the main tank (4) is provided with a radially arranged liquid inlet pipe (14), and the liquid inlet pipe (14) is provided with a liquid inlet switch (13).
7. The novel efficient spiral vortex methane wet desulphurization device according to claim 1, wherein a plurality of buffer sheets (15) are arranged on the inner wall of the airflow guide pipe (2), one end of each buffer sheet (15) is connected with the inner wall of the airflow guide pipe (2), the other end of each buffer sheet faces the central line of the airflow guide pipe (2), and the plurality of buffer sheets (15) are arranged in a staggered manner.
8. A novel high-efficiency spiral vortex biogas wet desulphurization device according to claim 1, wherein a stirring device is arranged at the bottom of the main tank (4), the stirring device comprises a motor (17) and a stirrer (16), the motor (17) is arranged at the bottom of the main tank (4), and the stirrer (16) is connected with an output shaft of the motor (17).
9. The novel efficient spiral vortex wet desulphurization device for biogas according to claim 1, wherein a heat insulation shell (18) is arranged on the periphery of the main tank body (4), and a plurality of support rods (19) are arranged between the heat insulation shell (18) and the main tank body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110301511.7A CN112933912A (en) | 2021-03-22 | 2021-03-22 | Novel high-efficient spiral vortex marsh gas wet flue gas desulfurization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110301511.7A CN112933912A (en) | 2021-03-22 | 2021-03-22 | Novel high-efficient spiral vortex marsh gas wet flue gas desulfurization device |
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| CN112933912A true CN112933912A (en) | 2021-06-11 |
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| CN202110301511.7A Pending CN112933912A (en) | 2021-03-22 | 2021-03-22 | Novel high-efficient spiral vortex marsh gas wet flue gas desulfurization device |
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