CN114684792A - Sulfur-containing tail gas recovery device - Google Patents
Sulfur-containing tail gas recovery device Download PDFInfo
- Publication number
- CN114684792A CN114684792A CN202011638156.4A CN202011638156A CN114684792A CN 114684792 A CN114684792 A CN 114684792A CN 202011638156 A CN202011638156 A CN 202011638156A CN 114684792 A CN114684792 A CN 114684792A
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- CN
- China
- Prior art keywords
- pipeline
- sulfur
- liquid
- sulphur
- tail gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 132
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 88
- 239000011593 sulfur Substances 0.000 title claims abstract description 88
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 94
- 239000005864 Sulphur Substances 0.000 claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000009825 accumulation Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 7
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 24
- 241000521257 Hydrops Species 0.000 description 9
- 206010030113 Oedema Diseases 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a sulfur-containing tail gas recovery device, which comprises an air inlet pipeline, a reaction furnace and a sulfur condenser which are connected in sequence, catcher and burning furnace, the catcher adopts the pipe connection with burning furnace, the catcher is arranged in storing after the further liquefaction of the gaseous state sulphur that does not have complete liquefaction in the sulphur condenser, the pipeline includes U type connecting tube, U type connecting tube includes first vertical pipeline, vertical pipeline of second and horizontal pipeline are located the low reaches position of pipeline, near the junction of vertical pipeline of second and horizontal pipeline be provided with long-pending sulphur processing apparatus, long-pending sulphur processing apparatus includes collecting tank and liquid sulphur jar, the collecting tank sets up the bottom at the pipeline, the collecting tank is used for storing temporarily after the sulphur liquefaction in the gas, the liquid sulphur jar is used for saving liquid sulphur and retrieves, its advantage is that it piles up and lead to blockking up exhaust duct to have avoided liquid sulphur in the bottom of U type pipe.
Description
Technical Field
The invention relates to the field of motors, in particular to a sulfur-containing tail gas recovery device.
Background
The sulfur-containing tail gas is a common tail gas in the chemical field, and mainly comprises sulfur dioxide, hydrogen sulfide, ammonia gas and other harmful gases. If the tail gas is directly discharged into the atmosphere, the atmosphere pollution can be caused. After the sulfur-containing tail gas is treated by the reaction furnace and the sulfur condenser, part of gasified sulfur and other sulfides still exist, and a sulfur recovery device is generally provided with a catcher behind the sulfur condenser to capture sulfur steam in the process gas, so that the sulfur steam is gathered into small liquid drops to be recovered. The equipment can improve the sulfur recovery rate, reduce the sulfur steam entering the incinerator and reduce the tail gas emission. At present, more traps are used and are in a wire mesh structure, the problem of poor trapping effect exists in the actual operation of the trapping effect, and all gaseous sulfur cannot be collected. The gaseous sulfur is partially liquefied as the temperature becomes lower during the transportation in the subsequent pipeline. In the actual layout of the pipeline, if a straight pipeline is used, the liquefied sulfur flows along the pipeline by itself. If a U-shaped pipeline is required to be adopted in case of an obstacle, the gas sulfur can be changed into liquid sulfur by hand cooling and is accumulated at the bottom of the U-shaped pipeline, and particularly a large amount of liquid sulfur is accumulated at the corner of the bottom, so that the pipeline is blocked. In order to solve the problem, a writer redesigns the process air pipeline, sets a liquid collecting tank on the process air pipeline, and leads accumulated sulfur to a sulfur sealing tank by the gravity of liquid sulfur, thereby ensuring stable operation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sulfur-containing tail gas recovery device for preventing gas sulfur from being changed into liquid sulfur and accumulating in a U-shaped pipeline.
The technical scheme adopted by the invention for solving the technical problems is a sulfur-containing tail gas recovery device, its characterized in that is including the admission line who connects gradually, the reacting furnace, the sulphur condenser, trap and burning furnace adopt the pipe connection, the trap is arranged in storing after the gaseous state sulphur that does not have complete liquefaction further liquefies in the sulphur condenser, the pipeline includes U type connecting tube, U type connecting tube includes first vertical pipeline, the vertical pipeline of second and horizontal pipeline are located the low reaches position of pipeline, near the junction of the vertical pipeline of second and horizontal pipeline be provided with long-pending sulphur processing apparatus, long-pending sulphur processing apparatus includes collecting tank and liquid sulphur jar, the collecting tank sets up the bottom at the pipeline, the collecting tank is used for carrying out temporary storage after the sulphur liquefaction in the gas, the liquid sulphur jar is used for storing liquid sulphur and retrieves.
The further preferable scheme of the invention is as follows: a first liquid loading vertical pipeline, a first liquid loading transverse pipeline, a second liquid loading vertical pipeline, a sulfur seal device and a second liquid loading transverse pipeline are arranged between the liquid collecting tank and the liquid sulfur tank; the liquefied sulfur and sulfide sequentially enter the liquid sulfur tank along the liquid collecting tank, the first liquid loading vertical pipeline, the first liquid loading transverse pipeline, the second liquid loading vertical pipeline, the sulfur seal device and the second liquid loading transverse pipeline
The further preferable scheme of the invention is as follows: the first effusion transverse pipeline and the second effusion transverse pipeline incline downwards at 1-3 degrees.
The further preferable scheme of the invention is as follows: first hydrops vertical pipe way, first hydrops horizontal pipeline, second hydrops vertical pipe way, sulphur seals ware, the horizontal pipeline of second hydrops all adopt the double tube design, including outer tube and inner tube, let in high temperature steam between outer tube and the inner tube, sulfur and sulphide after the circulation liquefaction in the inner tube.
The further preferable scheme of the invention is as follows: the outside of the liquid collecting tank is provided with a heating cavity, and high-temperature steam is introduced into the heating cavity.
The further preferable scheme of the invention is as follows: the liquid collecting tank is connected with a high-temperature steam inlet, and the high-temperature steam inlet is connected with a steam valve.
The further preferable scheme of the invention is as follows: the initial section of the vertical pipeline of the first effusion is provided with a first jacket valve, the tail section of the horizontal pipeline of the first effusion is provided with a second jacket valve, and the horizontal pipeline of the first effusion is also provided with a pressure gauge.
The further preferable scheme of the invention is as follows: the sulfur condenser is also connected with two reactors for further converting the sulfur-containing tail gas into sulfur.
The further preferable scheme of the invention is as follows: the reaction furnace is connected with heat supply steam to heat the reaction furnace, so that the conversion rate of sulfur is improved.
The invention is modified aiming at the pipeline provided with the U-shaped connecting pipeline, the sulfur accumulation treatment device is arranged near the connection part of the second vertical pipeline and the transverse pipeline of the U-shaped pipeline, the sulfur accumulation treatment device comprises a liquid collecting tank and a liquid sulfur tank, liquid sulfur formed by liquefying gas sulfur flows into the liquid collecting tank and is finally stored by the liquid sulfur tank, and the blockage of the exhaust pipeline caused by the accumulation of the liquid sulfur at the bottom of the U-shaped pipeline is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing the structure of the sulfur deposition treatment apparatus of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 and 2, the sulfur-containing tail gas recovery device comprises an air inlet pipeline 1, a reaction furnace 2, a sulfur condenser 3, a catcher 4 and an incinerator 5 which are connected in sequence. The intake duct 1 contains a contaminant gas such as hydrogen sulfide and ammonia. The reactor 2 is used for chemically reacting sulphides to form gaseous sulphur. The sulfur condenser 3 is used to convert the gaseous sulfur into liquid sulfur for recovery. The trap 4 is used to recover the gas sulfur which is not completely liquefied by further changing it into liquid sulfur. The incinerator 5 is used for burning the pollution gas which is not completely filtered, so that the pollution to the air is further reduced. Catcher 4 and incinerator 5 adopt the pipe connection, catcher 4 is arranged in storing after the further liquefaction of the gaseous state sulphur that does not have the complete liquefaction in the sulphur condenser 3, the pipeline includes U type connecting tube 6, U type connecting tube 6 includes first vertical pipeline 61, second vertical pipeline 62 and horizontal pipeline 63 are located the downstream position of pipeline, be provided with long-pending sulphur processing apparatus 7 near the junction of second vertical pipeline 62 and horizontal pipeline 63, long-pending sulphur processing apparatus 7 includes collecting tank 8 and liquid sulphur jar 9, collecting tank 8 sets up the bottom at the pipeline, collecting tank 8 is used for storing temporarily after the sulphur liquefaction in the gas, liquid sulphur jar 9 is used for storing liquid sulphur and retrieves. The liquefied sulfur flows into the liquid collecting tank 8 and the liquid sulfur tank 9 completely, and the blockage of the U-shaped pipeline is avoided.
A first liquid loading vertical pipeline 11, a first liquid loading transverse pipeline 12, a second liquid loading vertical pipeline 13, a sulfur seal device 14 and a second liquid loading transverse pipeline 15 are arranged between the liquid collecting tank 8 and the liquid sulfur tank 9; the liquefied sulfur and sulfide sequentially enter the liquid sulfur tank 9 along the liquid collecting tank 8, the first liquid accumulation vertical pipeline 11, the first liquid accumulation transverse pipeline 12, the second liquid accumulation vertical pipeline 13, the sulfur seal device 14 and the second liquid accumulation transverse pipeline 15. The sulfur seal 14 is used to separate the incoming gases from the liquids, i.e. to separate out liquid sulfur. The first and second hydrops transverse ducts 12, 15 are inclined downwardly at 1-3 degrees. So that the liquid sulfur can automatically pass along the pipeline to the next device. First hydrops vertical pipe 11, first hydrops horizontal pipe 12, second hydrops vertical pipe 13, sulphur seal 14, the horizontal 15 pipelines of second hydrops all adopt the double-deck pipe design, including outer tube and inner tube, let in high temperature steam between outer tube and the inner tube, circulate sulphur and sulphide after the liquefaction in the inner tube. The temperature of the inner pipe is kept to be continuously in a high temperature state, and the liquid sulfur is prevented from being condensed. The outside of the liquid collecting groove 8 is provided with a heating cavity 16, and high-temperature steam is introduced into the heating cavity 16. The temperature of the inner pipe is kept to be continuously in a high temperature state, and the liquid sulfur is prevented from being condensed. The liquid collecting tank 8 is connected with a high-temperature steam inlet, and the high-temperature steam inlet is connected with a steam valve 17. The initial section of the first effusion vertical pipeline 11 is provided with a first jacket valve 18, the last section of the first effusion transverse pipeline 12 is provided with a second jacket valve 19, and the first effusion transverse pipeline 12 is further provided with a pressure gauge 20. The first pinch valve 18 is used to control whether the liquid sulphur in the sump 8 enters the first liquid loading vertical duct 11. The second jacket valve 19 is used for controlling whether liquid sulfur in the first liquid loading vertical pipeline 11 and the first liquid loading transverse pipeline 12 is discharged into the second liquid loading vertical pipeline 13 and the sulfur seal device 14. The pressure gauge 20 is used for detecting the amount of liquid sulfur in the first liquid loading vertical pipeline 13 and the first liquid loading horizontal pipeline 14. The sulphur condenser 3 is also connected to two reactors 21 for further conversion of the sulphur containing tail gas into sulphur. The reaction furnace 2 is connected with heat supply steam to heat the reaction furnace 2, so that the conversion rate of sulfur is improved.
The sulfur-containing tail gas recovery device provided by the invention is described in detail above, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the examples is only used for helping understanding the invention and the core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a contain sulphur tail gas recovery unit, its characterized in that is including the admission line that connects gradually, the reacting furnace, the sulphur condenser, trap and burning furnace adopt the pipe connection, the trap is arranged in storing after the gaseous state sulphur that does not totally liquefy in the sulphur condenser is further liquefied, the pipeline includes U type connecting tube, U type connecting tube includes first vertical pipeline, vertical pipeline of second and horizontal pipeline are located the low reaches position of pipeline, near the junction of vertical pipeline of second and horizontal pipeline be provided with long-pending sulphur processing apparatus, long-pending sulphur processing apparatus includes collecting tank and liquid sulphur jar, the collecting tank sets up the bottom at the pipeline, the collecting tank is arranged in carrying out the temporary storage after the sulphur liquefaction in the gas, the liquid sulphur jar is used for storing liquid sulphur and retrieves.
2. The sulfur-containing tail gas recovery device according to claim 1, wherein a first liquid loading vertical pipeline, a first liquid loading transverse pipeline, a second liquid loading vertical pipeline, a sulfur seal device and a second liquid loading transverse pipeline are arranged between the liquid collecting tank and the liquid sulfur tank; the liquefied sulfur and sulfide sequentially enter the liquid sulfur tank along the liquid collecting tank, the first liquid accumulation vertical pipeline, the first liquid accumulation transverse pipeline, the second liquid accumulation vertical pipeline, the sulfur seal device and the second liquid accumulation transverse pipeline.
3. The sulfur-containing tail gas recovery device according to claim 1, wherein the first liquid loading transverse pipeline and the second liquid loading transverse pipeline are inclined downwards at an angle of 1-3 degrees.
4. The sulfur-containing tail gas recovery device according to claim 1, wherein the first liquid loading vertical pipeline, the first liquid loading transverse pipeline, the second liquid loading vertical pipeline, the sulfur seal device and the second liquid loading transverse pipeline are all designed as double-layer pipes, and comprise an outer pipe and an inner pipe, high-temperature steam is introduced between the outer pipe and the inner pipe, and liquefied sulfur and sulfide flow through the inner pipe.
5. The sulfur-containing tail gas recovery device according to claim 1, wherein a heating cavity is arranged outside the liquid collecting tank, and high-temperature steam is introduced into the heating cavity.
6. The sulfur-containing tail gas recovery device according to claim 1, wherein the liquid collecting tank is connected with a high-temperature steam inlet, and the high-temperature steam inlet is connected with a steam valve.
7. The sulfur-containing tail gas recovery device according to claim 1, wherein a first jacket valve is arranged at the initial section of the first liquid loading vertical pipeline, a second jacket valve is arranged at the final tail section of the first liquid loading transverse pipeline, and a pressure gauge is further arranged on the first liquid loading transverse pipeline.
8. The apparatus according to claim 1, wherein the sulfur condenser is further connected to two reactors for further converting the sulfur-containing tail gas into sulfur.
9. The sulfur-containing tail gas recovery device according to claim 1, wherein the reaction furnace is connected with heating steam to heat the reaction furnace, so as to improve the conversion rate of sulfur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011638156.4A CN114684792B (en) | 2020-12-31 | 2020-12-31 | Sulfur-containing tail gas recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011638156.4A CN114684792B (en) | 2020-12-31 | 2020-12-31 | Sulfur-containing tail gas recovery device |
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| CN114684792A true CN114684792A (en) | 2022-07-01 |
| CN114684792B CN114684792B (en) | 2024-10-01 |
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| CN202011638156.4A Active CN114684792B (en) | 2020-12-31 | 2020-12-31 | Sulfur-containing tail gas recovery device |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10202051A (en) * | 1997-01-16 | 1998-08-04 | Chiyoda Corp | Stack gas desulfurizing method and stack gas desulfurizer |
| JPH115014A (en) * | 1997-06-16 | 1999-01-12 | Babcock Hitachi Kk | Wet waste gas desulfurizer |
| KR19990051974A (en) * | 1997-12-20 | 1999-07-05 | 이구택 | Improvement of Sulfur Capture Efficiency from Oxidation Furnace for Liquid Sulfur Generation |
| CN102702102A (en) * | 2012-05-29 | 2012-10-03 | 浙江锦华新材料股份有限公司 | Method for preventing hydroxylamine in inorganic liquid from decomposing in process of preparing caprolactam |
| US20140017162A1 (en) * | 2011-03-31 | 2014-01-16 | Jgc Corporation | Sulfur recovery unit and sulfur recovery method |
| CN104557762A (en) * | 2015-01-26 | 2015-04-29 | 昆山市千灯百花香料厂 | Method for purifying sulfurol |
| CN107601436A (en) * | 2017-11-10 | 2018-01-19 | 晋城天成化工有限公司 | The device of Recovered sulphur in a kind of tail gas |
| CN207108483U (en) * | 2017-08-08 | 2018-03-16 | 内蒙古伊泰煤制油有限责任公司 | F- T synthesis desulfurization system sulfur recovery and exhaust treatment system |
| CN108474776A (en) * | 2016-01-06 | 2018-08-31 | 沙特阿拉伯石油公司 | Method and system for measuring the sulfur solubility in gas |
| CN214456860U (en) * | 2020-12-31 | 2021-10-22 | 宁波博汇化工科技股份有限公司 | Sulfur-containing tail gas recovery device |
-
2020
- 2020-12-31 CN CN202011638156.4A patent/CN114684792B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10202051A (en) * | 1997-01-16 | 1998-08-04 | Chiyoda Corp | Stack gas desulfurizing method and stack gas desulfurizer |
| JPH115014A (en) * | 1997-06-16 | 1999-01-12 | Babcock Hitachi Kk | Wet waste gas desulfurizer |
| KR19990051974A (en) * | 1997-12-20 | 1999-07-05 | 이구택 | Improvement of Sulfur Capture Efficiency from Oxidation Furnace for Liquid Sulfur Generation |
| US20140017162A1 (en) * | 2011-03-31 | 2014-01-16 | Jgc Corporation | Sulfur recovery unit and sulfur recovery method |
| CN102702102A (en) * | 2012-05-29 | 2012-10-03 | 浙江锦华新材料股份有限公司 | Method for preventing hydroxylamine in inorganic liquid from decomposing in process of preparing caprolactam |
| CN104557762A (en) * | 2015-01-26 | 2015-04-29 | 昆山市千灯百花香料厂 | Method for purifying sulfurol |
| CN108474776A (en) * | 2016-01-06 | 2018-08-31 | 沙特阿拉伯石油公司 | Method and system for measuring the sulfur solubility in gas |
| CN207108483U (en) * | 2017-08-08 | 2018-03-16 | 内蒙古伊泰煤制油有限责任公司 | F- T synthesis desulfurization system sulfur recovery and exhaust treatment system |
| CN107601436A (en) * | 2017-11-10 | 2018-01-19 | 晋城天成化工有限公司 | The device of Recovered sulphur in a kind of tail gas |
| CN214456860U (en) * | 2020-12-31 | 2021-10-22 | 宁波博汇化工科技股份有限公司 | Sulfur-containing tail gas recovery device |
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| CN114684792B (en) | 2024-10-01 |
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