CN104959032A - Hydrogen sulfide deodorization device for tail gas of synthesis gas - Google Patents
Hydrogen sulfide deodorization device for tail gas of synthesis gas Download PDFInfo
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- CN104959032A CN104959032A CN201510332595.5A CN201510332595A CN104959032A CN 104959032 A CN104959032 A CN 104959032A CN 201510332595 A CN201510332595 A CN 201510332595A CN 104959032 A CN104959032 A CN 104959032A
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- catalytic oxidation
- hydrogen sulfide
- tail gas
- deodorizing device
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Abstract
The invention relates to a hydrogen sulfide deodorization device for tail gas of synthesis gas. The hydrogen sulfide deodorization device comprises a tail gas collecting tank, photo-catalytic oxidation deodorization equipment, a frequency converter, a PLC (programmable logic controller), an ozone detector, an oxygen detector and a discharge buffer tank. Water spray heads are arranged on the top of the tail gas collecting tank, an output end on the upper portion of the tail gas collecting tank is connected with the photo-catalytic oxidation deodorization equipment by a pipeline, an output end of the photo-catalytic oxidation deodorization equipment is connected into the discharge buffer tank, and a discharge pipe is arranged on the upper portion of the discharge buffer tank; an air inlet pipe is arranged on the pipeline between the tail gas collecting tank and the photo-catalytic oxidation deodorization equipment, and a control valve is arranged on the air inlet pipe; the ozone detector and the oxygen detector are respectively in signal connection with the PLC, a first output end of the PLC is in signal connection with the frequency converter and is connected with the photo-catalytic oxidation deodorization equipment by the frequency converter, and a second output end of the PLC is in signal connection with the control valve. The hydrogen sulfide deodorization device with a photo-catalytic oxidation deodorization function has the advantages of high automation degree and excellent deodorization effects.
Description
Technical field
The present invention relates to a kind of hydrogen sulfide odor removal of synthesis gas tail gas.
Background technology
In synthesis gas tail gas, carbon dioxide accounts for more than 95%, and wherein hydrogen sulfide gas accounts for 5-2000ppm.If this part hydrogen sulfide gas directly discharge has greater environmental impacts.On general industry, hydrogen sulfide gas deodorizing adopts first water to absorb the way of alkali liquor absorption again.But containing great amount of carbon dioxide in synthesis gas, hydrogen sulfide gas is relatively less, if adopt alkali liquor absorption, because alkali lye also can absorbing carbon dioxide, alkali lye consumption can be caused excessive.
Summary of the invention
Technical problem to be solved of the present invention is that providing a kind of adopts photochemical catalytic oxidation deodorizing, and automaticity is high, the hydrogen sulfide odor removal of the synthesis gas tail gas of good deodorization effect.
In order to solve above-mentioned technical problem to be solved, present invention employs following technical scheme:
A hydrogen sulfide odor removal for synthesis gas tail gas, comprises exhaust collection tank, photochemical catalytic oxidation deodorizing device, frequency converter, PLC, ozone detector, oxygen detector and discharge surge tank; Exhaust collection tank top is provided with Water spray head, and the output on described exhaust collection tank top connects photochemical catalytic oxidation deodorizing device by pipeline, and photochemical catalytic oxidation deodorizing device output is connected into discharge surge tank, and discharge surge tank top is provided with delivery pipe; Pipeline between exhaust collection tank and photochemical catalytic oxidation deodorizing device is provided with air and enters pipe, and air enters pipe and is provided with control valve; Ozone detector and oxygen detector are arranged on the pipeline between photochemical catalytic oxidation deodorizing device and discharge surge tank respectively, and ozone detector and oxygen detector divide level signal to be connected into PLC, first output end signal of PLC connects frequency converter and connects photochemical catalytic oxidation deodorizing device by frequency converter, the second output end signal connection control valve of PLC.
As preferably, described exhaust collection tank and air enter between pipe and are provided with dehydrater.
As preferably, described discharge surge tank top is provided with the second Water spray head.
As preferably, the pipeline on rear side of described photochemical catalytic oxidation deodorizing device is provided with delivery pump.
Have employed the hydrogen sulfide odor removal of the synthesis gas tail gas of technique scheme, this hydrogen sulfide odor removal adopts ozone detector and oxygen detector to carry out double check to the gas before discharge surge tank, again for detection data input PLC, then respectively the control valve that frequency converter and air enter pipe is controlled by PLC, the whole system feedback regulation being, automaticity is high, saves energy consumption, prevent photochemical catalytic oxidation deodorizing from surpassing and meet operation, extend its service life.
Accompanying drawing explanation
Fig. 1: the structural representation of the embodiment of the present invention 1.
Fig. 2: the structural representation of the embodiment of the present invention 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further.
Embodiment 1: the hydrogen sulfide odor removal of a kind of synthesis gas tail gas as shown in Figure 1, comprises exhaust collection tank 1, dehydrater 2, photochemical catalytic oxidation deodorizing device 3, delivery pump 4, frequency converter 7, PLC6, ozone detector 60, oxygen detector 61 and discharge surge tank 5.
Bottom exhaust collection tank 1, side connects synthesis gas tail gas, exhaust collection tank 1 top is provided with the first Water spray head 10, the output on exhaust collection tank 1 top connects dehydrater 2, catalytic oxidation deodorizing equipment 3, delivery pump 4 and discharge surge tank 5 successively by pipeline, discharge surge tank 5 top is provided with the second Water spray head 50, and discharge surge tank 5 top is provided with delivery pipe 51.
Pipeline between dehydrater 2 and photochemical catalytic oxidation deodorizing device 3 is provided with air and enters pipe 8, and air enters pipe 8 and is provided with control valve 81.Above-mentioned ozone detector 60 and oxygen detector 61 are arranged on the pipeline between photochemical catalytic oxidation deodorizing device 3 and discharge surge tank 5 respectively, and ozone detector 60 and oxygen detector 61 points of level signals are connected into PLC6, first output end signal of PLC6 is connected frequency converter 7 and is connected the second output end signal connection control valve 81 of photochemical catalytic oxidation deodorizing device 3, PLC6 by frequency converter 7.
During use, synthesis gas tail gas enters exhaust collection tank 1, and ease of solubility gas is dissolved in water, and residual gas, from the output on exhaust collection tank 1 top, first dewaters through dehydrater, then converges with the air air entered in pipe 8 and enter photochemical catalytic oxidation deodorizing device 3.No matter from energy consumption, cost, photochemical catalytic oxidation deodorizing device 3 load and service life, the power and the load that control photochemical catalytic oxidation deodorizing device 3 are very important.Above-mentioned ozone detector 60, oxygen detector 61 detect ozone concentration and oxygen concentration respectively, when ozone detector 60 detects ozone concentration higher than setting value, PLC6 controls frequency converter 7 according to this signal of monitoring, make its photochemical catalytic oxidation deodorizing device 3 power reduction, thus farthest optimize this exhaust treatment system.And oxygen detector 61 detects that the concentration of oxygen diminishes, by the control of PLC6 to control valve 81, increase air inlet, thus prevent air capacity inadequate, cause photochemical catalytic oxidation deodorizing device 3 efficiency low.
Embodiment 2: the difference of the present embodiment and embodiment 1 is only: the pipeline between photochemical catalytic oxidation deodorizing device 3 and ozone detector 60 is also provided with tower equipment, the bottom of tower equipment 9 is provided with the input being connected into pipeline, the top of tower equipment 9 is provided with the output connected, in tower equipment 9 between input and output, level arranges the ripple packing 90 of load titanium dioxide granule.Wherein, the existence of the ripple packing 90 of load titanium dioxide granule, allows and can fully contact with ozone by waste gas, has the longer time to continue reaction, finally realizes qualified discharge, all the other with repeat embodiment 1.
Claims (5)
1. a hydrogen sulfide odor removal for synthesis gas tail gas, is characterized in that: comprise exhaust collection tank (1), photochemical catalytic oxidation deodorizing device (3), frequency converter (7), PLC (6), ozone detector (60), oxygen detector (61) and discharge surge tank (5); Exhaust collection tank (1) top is provided with the first Water spray head (10), the output on described exhaust collection tank (1) top connects photochemical catalytic oxidation deodorizing device (3) by pipeline, photochemical catalytic oxidation deodorizing device (3) output is connected into discharge surge tank (5), and discharge surge tank (5) top is provided with delivery pipe (51); Pipeline between exhaust collection tank (1) and photochemical catalytic oxidation deodorizing device (3) is provided with air and enters pipe (8), and air enters pipe (8) and is provided with control valve (81); Ozone detector (60) and oxygen detector (61) are arranged on the pipeline between photochemical catalytic oxidation deodorizing device (3) and discharge surge tank (5) respectively, and ozone detector (60) and oxygen detector (61) point level signal are connected into PLC (6), first output end signal of PLC (6) connects frequency converter (7) and connects photochemical catalytic oxidation deodorizing device (3) by frequency converter (7), the second output end signal connection control valve (81) of PLC (6).
2. the hydrogen sulfide odor removal of a kind of synthesis gas tail gas according to claim 1, is characterized in that: described exhaust collection tank (1) and air enter between pipe (8) and be provided with dehydrater (2).
3. the hydrogen sulfide odor removal of a kind of synthesis gas tail gas according to claim 1, is characterized in that: described discharge surge tank (5) top is provided with the second Water spray head (50).
4. the hydrogen sulfide odor removal of a kind of synthesis gas tail gas according to claim 1-3 any one, is characterized in that: the pipeline of described photochemical catalytic oxidation deodorizing device (3) rear side is provided with delivery pump (4).
5. the hydrogen sulfide odor removal of a kind of synthesis gas tail gas according to claim 1-3 any one, it is characterized in that: the pipeline between photochemical catalytic oxidation deodorizing device (3) and ozone detector (60) is also provided with tower equipment, the bottom of tower equipment (9) is provided with the input being connected into pipeline, the top of tower equipment (9) is provided with the output connected, in tower equipment (9) between input and output, level arranges the ripple packing (90) of load titanium dioxide granule.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510332595.5A CN104959032B (en) | 2015-06-16 | 2015-06-16 | The hydrogen sulfide odor removal of synthesis tail-gas |
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| CN201510332595.5A CN104959032B (en) | 2015-06-16 | 2015-06-16 | The hydrogen sulfide odor removal of synthesis tail-gas |
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| CN104959032A true CN104959032A (en) | 2015-10-07 |
| CN104959032B CN104959032B (en) | 2017-03-29 |
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Citations (8)
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| JPS5067270A (en) * | 1973-10-19 | 1975-06-05 | ||
| JPS5281064A (en) * | 1975-12-24 | 1977-07-07 | Gte Laboratories Inc | Catalytic method of removing sulfur dioxide from gas streams |
| CN102631829A (en) * | 2012-04-13 | 2012-08-15 | 山东绿邦光电设备有限公司 | High-efficient energy-saving heating type ozone tail gas decomposing device |
| CN202590625U (en) * | 2012-05-30 | 2012-12-12 | 重庆坦普尔科技有限责任公司 | Horizontal photooxygenation catalytic deodorizing system |
| CN202725025U (en) * | 2010-06-28 | 2013-02-13 | 张宝泉 | Waste gas purifying treatment device |
| CN203189089U (en) * | 2013-04-29 | 2013-09-11 | 郑州大学 | Automobile exhaust processing unit |
| CN103537179A (en) * | 2013-10-25 | 2014-01-29 | 临安清云环保设备有限公司 | Method for removing exhaust gas through photocatalytic ozonation |
| CN204684946U (en) * | 2015-06-16 | 2015-10-07 | 绍兴博易环保科技有限公司 | A kind of hydrogen sulfide odor removal of synthesis gas tail gas |
-
2015
- 2015-06-16 CN CN201510332595.5A patent/CN104959032B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5067270A (en) * | 1973-10-19 | 1975-06-05 | ||
| JPS5281064A (en) * | 1975-12-24 | 1977-07-07 | Gte Laboratories Inc | Catalytic method of removing sulfur dioxide from gas streams |
| CN202725025U (en) * | 2010-06-28 | 2013-02-13 | 张宝泉 | Waste gas purifying treatment device |
| CN102631829A (en) * | 2012-04-13 | 2012-08-15 | 山东绿邦光电设备有限公司 | High-efficient energy-saving heating type ozone tail gas decomposing device |
| CN202590625U (en) * | 2012-05-30 | 2012-12-12 | 重庆坦普尔科技有限责任公司 | Horizontal photooxygenation catalytic deodorizing system |
| CN203189089U (en) * | 2013-04-29 | 2013-09-11 | 郑州大学 | Automobile exhaust processing unit |
| CN103537179A (en) * | 2013-10-25 | 2014-01-29 | 临安清云环保设备有限公司 | Method for removing exhaust gas through photocatalytic ozonation |
| CN204684946U (en) * | 2015-06-16 | 2015-10-07 | 绍兴博易环保科技有限公司 | A kind of hydrogen sulfide odor removal of synthesis gas tail gas |
Non-Patent Citations (1)
| Title |
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| 徐玉党 主编: "《室内污染控制与洁净技术》", 30 September 2006 * |
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Effective date of registration: 20170116 Address after: Hangzhou City, Zhejiang province Yuhang District 311100 Cangshan Street West No. 1326 Building No. 5 15 Floor Applicant after: Hangzhou Bo Yi Yi Environmental Technology Co., Ltd. Address before: 312365 Zhejiang Province, Shaoxing city Shangyu district Song Xia Zhen Umbrella Umbrella City Avenue Branch Center on the third floor Applicant before: SHAOXING BOYI ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |
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Address after: Room 502d-3, building 2, No. 1326, Wenyi West Road, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Boyi Environmental Protection Technology Co., Ltd Address before: Hangzhou City, Zhejiang province Yuhang District 311100 Cangshan Street West No. 1326 Building No. 5 15 Floor Patentee before: HANGZHOU BOYUNYI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |