CN103691273B - Processing method of sulfur hexafluoride breaker gas adsorbent - Google Patents
Processing method of sulfur hexafluoride breaker gas adsorbent Download PDFInfo
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- CN103691273B CN103691273B CN201210368935.6A CN201210368935A CN103691273B CN 103691273 B CN103691273 B CN 103691273B CN 201210368935 A CN201210368935 A CN 201210368935A CN 103691273 B CN103691273 B CN 103691273B
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Abstract
The invention relates to a processing method of a sulfur hexafluoride breaker gas adsorbent. Chemical reagents react with harmful gas substances comprising the of sulfur hexafluoride gas adsorbent and the like, so the harmful gas substances are converted into nontoxic inorganic salts, thereby a leftover problem after traditional gas adsorbent processing is solved; and the adopted reagents are common chemical reagents, so the processing cost of the harmful gas substances is saved, thereby the processing method has very large practicality and popularization values.
Description
Technical field
It is specifically a kind of to maintenance the present invention relates to a kind of processing method to nuisance in sulfur hexafluoride breaker
In sulfur hexafluoride breaker equipment in be adsorbed with a kind of sulfur hexafluoride breaker gas that the adsorbent of pernicious gas is processed
The processing method of body adsorbent.
Background technology
Relevant patent document is retrieved, not yet retrieve is used for sulfur hexafluoride breaker gas at present with identical of the present invention
The processing method of adsorbent.Sulfur hexafluoride breaker adsorbent, it is for adsorbing sulfur hexafluoride breaker gas arc extinguishing
Analyte afterwards；Due to the sulfur hexafluoride gas in sulfur hexafluoride breaker arc extinguishing process gas must undergo high-voltage great-current,
In the presence of high temperature, gas generates certain analyte,
There is severe toxicity in the analyte, mishandling to produce influence to personal safety, environmental protection.At present both at home and abroad to adopting
The mode processed with the adsorbent of the high voltage electric equipment of sulfur hexafluoride gas is generally two kinds：1st, store up into stainless steel steel cylinder
Carry out buried；2 and the solution of NaOH carry out neutralization reaction.GB GB/T 8905-1996《In sulfur hexafluoride electrical equipment
Gas delivery and detection directive/guide》7.5.2 in, describing should not be again by the adsorbent changed in the equipment of generation decomposition gas
Use, it is buried after being soaked using 20% sodium hydroxide solution.Without concrete regulation soak time, do not introduce final anti-yet
Answer how thing is processed, if harmless treatment etc.；And be present potential safety hazard in buried treatment, if surprisingly dug out, can make
Into great social influence, pollution is will also result in environment, be subject to it is therefore necessary to the processing method to existing adsorbent
Improve, to improve the security after treatment.
The content of the invention
The invention aims to provide it is a kind of utilize common chemical reagent, by with sulfur hexafluoride gas adsorbent in
Nuisance reacted, nuisance is converted into nontoxic inorganic salts, then by separation of solid and liquid, effectively reclaiming can utilize thing
Matter, reaches a kind of processing method of sulfur hexafluoride breaker adsorbent of harmless treatment.
In order to realize the purpose of foregoing invention, a kind for the treatment of side of sulfur hexafluoride breaker adsorbent of the invention
Method, comprises the following steps：
1. the adsorbent that will be remained in sulfur hexafluoride breaker is put into air accumulator；
The strong base solution of the 25% ~ 35% of the adsorbent mass fraction for 2. remaining is added in air accumulator the gas with residual
Body adsorbent carries out neutralization reaction；
The solution that 2. 3. step reacted gained is poured into container；
4. CaCl will be separately added into the solution in step 3. container2Solution, AlCl3Solution is reacted；
4. 5. step reacted addition Ca (OH) in the solution of gained2Solution, process time is 15~30 minutes, and generation is not
It is dissolved in the solid salt and nontoxic raffinate of water；
6. by step, 5. gained solid salt and nontoxic raffinate are separated by stirring, flocculation, precipitation from solution, during treatment
Between be 30 ~ 40 minutes, effective recycling, nontoxic raffinate safety dumping.
The order of the inorganic salt solution that 4. step adds is first to add CaCl2Inorganic salt solution adds AlCl3Inorganic salts are molten
Liquid.
The CaCl that 4. described step adds2The Solute mass fraction of inorganic salt solution is 8% ~ 10%, AlCl3Inorganic salts are molten
The Solute mass fraction of liquid is 3% ~ 5%.
The material that 6. step is used to flocculate in flocculation step is (Na PO3)6 。
It is an advantage of the invention that：Due to being entered with the pernicious gas material in sulfur hexafluoride gas adsorbent using chemical reagent
Row reaction, so as to harmful gaseous matter is converted into nontoxic inorganic salts, solves the something lost after traditional gas sorbent treatment
Stay problem；Because the reagent for using is common chemical reagent, so that the processing cost to pernicious gas material has been saved, so
There is very big practical and popularizing value.
Specific embodiment
With reference to embodiment, the invention will be further described：
A kind of processing method of sulfur hexafluoride breaker adsorbent of the invention, comprises the following steps：
1. the adsorbent remained in sulfur hexafluoride breaker is taken to put into air accumulator；
2. the strong base solution for taking the 25% ~ 35% of the adsorbent mass fraction of residual is added in air accumulator and residual
Adsorbent carries out neutralization reaction, and the strong base solution that the present embodiment takes the 30% of the adsorbent mass fraction of residual is carried out
Neutralization reaction.
The solution that 2. 3. step reacted gained is poured into container；
4. CaCl will be separately added into the solution in step 3. container2Solution, AlCl3Solution is reacted, addition it is inorganic
The order of salting liquid is first to add CaCl2Inorganic salt solution adds AlCl3Inorganic salt solution, the CaCl of addition2Inorganic salt solution
Solute mass fraction for 8% ~ 10%, AlCl3The Solute mass fraction of inorganic salt solution is 3% ~ 5%, what the present embodiment was added
CaCl2The Solute mass fraction of inorganic salt solution is 9%, AlCl3The Solute mass fraction of inorganic salt solution is 4%；
4. 5. step reacted addition Ca (OH) in the solution of gained2Solution, process time is 15~30 minutes, and generation is not
It is dissolved in the solid salt and nontoxic raffinate of water；
6. by step, 5. gained solid salt and nontoxic raffinate are separated by stirring, flocculation, precipitation from solution, during treatment
Between be 30 ~ 40 minutes, effective recycling, nontoxic raffinate safety dumping, in flocculation step be used for flocculate material be (Na
PO3)6 。
Claims (4)
1. a kind of processing method of sulfur hexafluoride breaker adsorbent, it is characterised in that：Comprise the following steps：
1. the adsorbent that will be remained in sulfur hexafluoride breaker is put into air accumulator；
2. the strong base solution for taking the 25% ~ 35% of the adsorbent mass fraction of residual is added in air accumulator gas with residual
Adsorbent carries out neutralization reaction；
The solution that 2. 3. step reacted gained is poured into container；
4. CaCl will be separately added into the solution in step 3. container2Solution, AlCl3Solution is reacted；
4. 5. step reacted addition Ca (OH) in the solution of gained2Solution, process time is 15~30 minutes, and generation is not dissolved in
The solid salt of water and nontoxic raffinate；
6. by step, 5. gained solid salt and nontoxic raffinate are separated by stirring, flocculation, precipitation from solution, and process time is
30 ~ 40 minutes, effective recycling, nontoxic raffinate safety dumping.
2. the processing method of a kind of sulfur hexafluoride breaker adsorbent according to claim 1, it is characterised in that：Step
The order of the rapid inorganic salt solution for 4. adding is first to add CaCl2Inorganic salt solution adds AlCl3Inorganic salt solution.
3. the processing method of a kind of sulfur hexafluoride breaker adsorbent according to claim 1, it is characterised in that：Institute
The CaCl that 4. the step of stating add2The Solute mass fraction of inorganic salt solution is 8% ~ 10%, AlCl3The solute matter of inorganic salt solution
Amount fraction is 3% ~ 5%.
4. the processing method of a kind of sulfur hexafluoride breaker adsorbent according to claim 1, it is characterised in that：Step
The rapid material for being 6. used to flocculate in flocculation step is (Na PO3)6 。
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| CN103691273B true CN103691273B (en) | 2017-05-24 |
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| CN104190390B (en) * | 2014-09-23 | 2016-08-10 | 国家电网公司 | The process technique of sulfur hexafluoride adsorbent |
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| JP2000351611A (en) * | 1999-06-11 | 2000-12-19 | Mitsubishi Electric Corp | Apparatus for collecting sulfur hexafluoride and collecting method thereof |
| CN201051465Y (en) * | 2007-06-25 | 2008-04-23 | 安徽省电力科学研究院 | Processing device for high-voltage power grid arc extinction gas SF6 |
| CN201195090Y (en) * | 2007-09-19 | 2009-02-18 | 广东省电力工业局试验研究所 | Combined sulfur hexafluoride recycling gas purification treating device |
| CN201988327U (en) * | 2011-03-08 | 2011-09-28 | 河南省日立信股份有限公司 | SF6 (sulfur hexafluoride) waste gas non-toxic treatment device |
| CN202061542U (en) * | 2011-03-30 | 2011-12-07 | 河北省电力研究院 | Tail-gas purification device for sulfur hexafluoride catabolite detection |
| CN202212084U (en) * | 2011-07-27 | 2012-05-09 | 安徽省电力科学研究院 | Purification treatment system for sulfur hexafluoride gas decomposition product |
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| JP2000351611A (en) * | 1999-06-11 | 2000-12-19 | Mitsubishi Electric Corp | Apparatus for collecting sulfur hexafluoride and collecting method thereof |
| CN201051465Y (en) * | 2007-06-25 | 2008-04-23 | 安徽省电力科学研究院 | Processing device for high-voltage power grid arc extinction gas SF6 |
| CN201195090Y (en) * | 2007-09-19 | 2009-02-18 | 广东省电力工业局试验研究所 | Combined sulfur hexafluoride recycling gas purification treating device |
| CN201988327U (en) * | 2011-03-08 | 2011-09-28 | 河南省日立信股份有限公司 | SF6 (sulfur hexafluoride) waste gas non-toxic treatment device |
| CN202061542U (en) * | 2011-03-30 | 2011-12-07 | 河北省电力研究院 | Tail-gas purification device for sulfur hexafluoride catabolite detection |
| CN202212084U (en) * | 2011-07-27 | 2012-05-09 | 安徽省电力科学研究院 | Purification treatment system for sulfur hexafluoride gas decomposition product |
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| CN103691273A (en) | 2014-04-02 |
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