CN104307320B - For the treatment of the device of sulfur dioxide in industrial waste gas - Google Patents
For the treatment of the device of sulfur dioxide in industrial waste gas Download PDFInfo
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- CN104307320B CN104307320B CN201410604731.7A CN201410604731A CN104307320B CN 104307320 B CN104307320 B CN 104307320B CN 201410604731 A CN201410604731 A CN 201410604731A CN 104307320 B CN104307320 B CN 104307320B
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Abstract
The invention discloses a kind of device electrolyte stream amount controller for the treatment of sulfur dioxide in industrial waste gas, comprise electrolytic circuit, filter separator, reservoir, peristaltic pump, electrolytic cell, anion electrode, cation-exchange membrane, cation electrode and electrolyte stream amount controller, cation-exchange membrane is placed in the middle part in electrolytic cell, and electrolytic cell is divided into two parts, anion electrode is placed in a side of cation-exchange membrane, cation electrode is placed in the opposite side of cation-exchange membrane, the signal output part of electrolyte stream amount controller is connected with the check valve that electrolyte enters on check valve and the anolyte output channel on pipeline respectively. the present invention adopts ion-exchange membrane electrolysis to process the sulfur dioxide in waste gas, adopts manganese steel as very manganese steel of anionic electrodeposition, adopts stainless steel as cation electrode, also has electrolyte stream amount controller, makes this device have the low and high feature of desulfuration efficiency that consumes energy.
Description
Technical field
The present invention relates to a kind of device of processing sulfur dioxide, relate in particular to a kind of for the treatment of in industrial waste gasThe device of sulfur dioxide.
Background technology
SO 2 in waste gas have concentration low, distribute wide, harm is large and administer difficult feature, but at presentThe treatment technology adopting not only cost is high, and inevitably can produce some secondary refuses, these refusesNeeding further processing, there is power consumption height and desulfurization effect for the treatment of the device of sulfur dioxide in industrial waste gas in traditionThe problem that rate is low, and can produce some secondary refuses, causes secondary pollution, also to reaction condition require high,Be difficult to promote.
Summary of the invention
It is a kind of for the treatment of in industrial waste gas two that object of the present invention is just to provide in order to address the above problemThe device of sulfur oxide.
In order to achieve the above object, the present invention has adopted following technical scheme:
For the treatment of a device for sulfur dioxide in industrial waste gas, comprise electrolytic circuit, filter separator,Reservoir, peristaltic pump, electrolytic cell, anion electrode, cation-exchange membrane, cation electrode and electrolyteFlow controller, described cation-exchange membrane is placed in the middle part in described electrolytic cell, and described electrolytic cell is dividedFor two parts, described anion electrode is placed in a side of described cation-exchange membrane, and described cation electrode is putIn the opposite side of described cation-exchange membrane, it is defeated that the sidewall of described electrolytic cell is respectively equipped with reacted catholyteGo out pipeline, electrolyte enters pipeline and industrial waste gas enters pipeline, described electrolyte enters pipeline and described workIndustry waste gas enters and on pipeline, is equipped with check valve, the bottom of described electrolytic cell respectively be provided with reacted anodeCatholyte after liquid output channel and filtration enters pipeline, and the catholyte after described filtration enters on pipeline and arrangesHave check valve, described filter separator is arranged on described reacted catholyte output channel, described liquid storageGroove is arranged at the below of described filter separator, and the catholyte that described peristaltic pump is arranged at after described filtration entersPipeline, described reservoir bottom is connected with described peristaltic pump by pipeline, and described reservoir sidewall passes through pipelineBe connected with described electrolytic cell, described anion electrode is all connected with described electrolytic circuit with described cation electrode,The signal output part of described electrolytic circuit is connected with the signal input part of described electrolyte stream amount controller, described inThe signal output part of electrolyte stream amount controller respectively with described electrolyte enter check valve on pipeline and described inCheck valve on anolyte output channel connects.
Described electrolytic circuit comprises power supply, switch, deflection machine, ammeter and voltmeter, and described power supply justThe utmost point is connected with the first end of described switch, and the negative pole of described power supply is connected with the first end of described deflection machine, instituteThe second end of stating switch is connected with the second end of described deflection machine and the first end of described ammeter respectively, described inThe sliding end of deflection machine is connected with the first end of described voltmeter and described anion electrode, described ammeterThe second end is connected with the second end and the described cation electrode of described voltmeter respectively.
Described electrolyte stream amount controller comprises current signal collector, transmitter, analog-digital converter, monolithicMachine, display and digital to analog converter, the signal input part of described current signal collector is described electrolyte streamThe signal input part of amount controller, the signal output part of described current signal collector send by described change successivelyDevice, described analog-digital converter and described single-chip microcomputer are connected with described digital to analog converter signal input part, described numberThe signal output part of weighted-voltage D/A converter is the signal output part of described electrolyte stream amount controller, described display withThe display end of described single-chip microcomputer connects; Very alloy material of described anionic electrodeposition, described cation electrodeposition veryInsoluble petal material; Very manganese steel of described anionic electrodeposition, very stainless steel of described cation electrodeposition.
Beneficial effect of the present invention is:
The present invention adopts ion-exchange membrane electrolysis to process the sulfur dioxide in waste gas, adopts manganese steel as anionic electrodepositionVery manganese steel, adopts stainless steel as cation electrode, also has electrolyte stream amount controller, makes this device toolHave the low and high feature of desulfuration efficiency of power consumption, and accessory substance is oxygen and sulphur, can not cause secondary pollution, can beUnder normal temperature and pressure, carry out, be conducive to promote.
Brief description of the drawings
Fig. 1 is the structure chart of a kind of device for the treatment of sulfur dioxide in industrial waste gas of the present invention;
Fig. 2 is the circuit diagram of electrolytic circuit in the present invention;
Fig. 3 is the structured flowchart of electrolyte stream amount controller in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, a kind of device for the treatment of sulfur dioxide in industrial waste gas of the present invention, comprises electrolysisCircuit, filter separator, reservoir, peristaltic pump, electrolytic cell, anion electrode, cation-exchange membrane,Cation electrode and electrolyte stream amount controller, cation-exchange membrane is placed in the middle part in electrolytic cell, and by electricitySeparate groove be divided into two parts, anion electrode is placed in a side of cation-exchange membrane, cation electrode be placed in sun fromThe opposite side of proton exchange, the sidewall of electrolytic cell is respectively equipped with reacted catholyte output channel, electrolyteEnter pipeline and industrial waste gas enters pipeline, electrolyte enters pipeline and industrial waste gas and enters on pipeline and be equipped withCheck valve, the bottom of electrolytic cell respectively be provided with reacted anolyte output channel and filter after catholyteEnter pipeline, the catholyte after filtration enters on pipeline and is provided with check valve, and filter separator is arranged at reactionAfter catholyte output channel on, reservoir is arranged at the below of filter separator, peristaltic pump is arranged at filtrationAfter catholyte enter pipeline, reservoir bottom is connected with peristaltic pump by pipeline, reservoir sidewall passes through to manageRoad is connected with electrolytic cell, and anion electrode is all connected with electrolytic circuit with cation electrode, the letter of electrolytic circuitNumber output is connected with the signal input part of electrolyte stream amount controller, and the signal of electrolyte stream amount controller is defeatedGo out to hold the check valve entering on check valve and the anolyte output channel on pipeline with electrolyte to be respectively connected.
As shown in Figure 2, electrolytic circuit comprises power supply E, switch S, deflection machine RP, ammeter A and voltmeterV, the positive pole of power supply E is connected with the first end of switch S, the first end of the negative pole of power supply E and deflection machine RPConnect, the second end of switch S is connected with the second end of deflection machine RP and the first end of ammeter A respectively, becomesThe sliding end of position device RP is connected with first end and the anion electrode of voltmeter V, and the second end of ammeter A dividesBe not connected with the second end and the cation electrode of voltmeter V.
As shown in Figure 3, electrolyte stream amount controller comprises current signal collector, transmitter, analog-to-digital conversionDevice, single-chip microcomputer, display and digital to analog converter, the signal input part of current signal collector is electrolyte streamThe signal input part of amount controller, the signal output part of current signal collector is successively by transmitter, modulusConverter is connected with digital to analog converter signal input part with single-chip microcomputer, and the signal output part of digital to analog converter is electricityThe signal output part of separating flow quantity controller, display is connected with the display end of single-chip microcomputer; Anionic electrodepositionVery alloy material, cation electrodeposition is insoluble petal material very; Anionic electrodeposition is manganese steel very, cation electrodeFor stainless steel.
The reaction occurring in electrolytic cell, the reaction of anion electrode is: SO2+4H++4e-＝S+2H2O; SunThe reaction of ion electrode is: 2H2O-4e-＝O2↑+4H+; Overall reaction: SO2＝S+O2↑。
Claims (5)
1. for the treatment of a device for sulfur dioxide in industrial waste gas, it is characterized in that: comprise electrolytic circuit,Filter separator, reservoir, peristaltic pump, electrolytic cell, anion electrode, cation-exchange membrane, cationElectrode and electrolyte stream amount controller, described cation-exchange membrane is placed in the middle part in described electrolytic cell, and willDescribed electrolytic cell is divided into two parts, and described anion electrode is placed in a side of described cation-exchange membrane, described inCation electrode is placed in the opposite side of described cation-exchange membrane, and the sidewall of described electrolytic cell is respectively equipped with reactionAfter catholyte output channel, electrolyte enter pipeline and industrial waste gas enters pipeline, described electrolyte entersPipeline and described industrial waste gas enter on pipeline and are equipped with check valve, and the bottom of described electrolytic cell is respectively equipped with insteadShould after anolyte output channel and filter after catholyte enter pipeline, the catholyte after described filtration entersOn pipeline, be provided with check valve, described filter separator is arranged on described reacted catholyte output channel,Described reservoir is arranged at the below of described filter separator, and described peristaltic pump is arranged at the moon after described filtrationUtmost point liquid enters on pipeline, and described reservoir bottom is connected with described peristaltic pump by pipeline, described reservoir sideWall is connected with described electrolytic cell by pipeline, described anion electrode and described cation electrode all with described electricitySolution circuit connects, the signal input of the signal output part of described electrolytic circuit and described electrolyte stream amount controllerEnd connects, and the signal output part of described electrolyte stream amount controller enters on pipeline with described electrolyte respectivelyCheck valve is connected with the check valve on described anolyte output channel.
2. the device for the treatment of sulfur dioxide in industrial waste gas according to claim 1, its feature existsIn: described electrolytic circuit comprises power supply, switch, deflection machine, ammeter and voltmeter, and described power supply is justThe utmost point is connected with the first end of described switch, and the negative pole of described power supply is connected with the first end of described deflection machine, instituteThe second end of stating switch is connected with the second end of described deflection machine and the first end of described ammeter respectively, described inThe sliding end of deflection machine is connected with the first end of described voltmeter and described anion electrode, described ammeterThe second end is connected with the second end and the described cation electrode of described voltmeter respectively.
3. the device for the treatment of sulfur dioxide in industrial waste gas according to claim 1, its feature existsIn: described electrolyte stream amount controller comprises current signal collector, transmitter, analog-digital converter, monolithicMachine, display and digital to analog converter, the signal input part of described current signal collector is described electrolyte streamThe signal input part of amount controller, the signal output part of described current signal collector send by described change successivelyDevice, described analog-digital converter and described single-chip microcomputer are connected with described digital to analog converter signal input part, described numberThe signal output part of weighted-voltage D/A converter is the signal output part of described electrolyte stream amount controller, described display withThe display end of described single-chip microcomputer connects.
4. the device for the treatment of sulfur dioxide in industrial waste gas according to claim 1, its feature existsIn: very alloy material of described anionic electrodeposition, described cation electrodeposition is insoluble petal material very.
5. the device for the treatment of sulfur dioxide in industrial waste gas according to claim 4, its feature existsIn: very manganese steel of described anionic electrodeposition, very stainless steel of described cation electrodeposition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410604731.7A CN104307320B (en) | 2014-10-31 | 2014-10-31 | For the treatment of the device of sulfur dioxide in industrial waste gas |
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| CN201410604731.7A CN104307320B (en) | 2014-10-31 | 2014-10-31 | For the treatment of the device of sulfur dioxide in industrial waste gas |
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| CN104307320A CN104307320A (en) | 2015-01-28 |
| CN104307320B true CN104307320B (en) | 2016-05-25 |
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| US4191620A (en) * | 1978-11-13 | 1980-03-04 | Union Oil Company Of California | Electrochemical conversion of sulfur-containing anions to sulfur |
| CN100360212C (en) * | 2005-07-21 | 2008-01-09 | 四川大学 | Waste gas control method by removing sulfur dioxide for resource utilization |
| CN101254932A (en) * | 2007-02-28 | 2008-09-03 | 张家港市新中环保设备有限公司 | Technique for preparing magnesium sulfite during magnesium method desulfurization process |
| CN103301744B (en) * | 2013-06-17 | 2015-01-14 | 青岛科技大学 | Desulfurization device and method for preparing sulfur particles by removing SO2 from flue gas |
| CN204233956U (en) * | 2014-10-31 | 2015-04-01 | 成都瑞途电子有限公司 | For the treatment of the device of sulfur dioxide in industrial waste gas |
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Inventor after: Yang Jinsong Inventor before: Liu Lifeng Inventor before: Rui Liguo |
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Effective date of registration: 20160429 Address after: 618400 Zhenjiang village, Fengzhen, Deyang, Sichuan, Shifang Applicant after: SHIFANG CHANGFENG CHEMICAL CO., LTD. Address before: 610041 Chengdu province high tech Zone in the middle of the street and Po Road, No. 220 Applicant before: Chengdu Rui Tu Electronics Co., Ltd. |
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