CN1417385A - Surface scale eliminating method for anode guide rod in aluminium electrolysis - Google Patents
Surface scale eliminating method for anode guide rod in aluminium electrolysis Download PDFInfo
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- CN1417385A CN1417385A CN 02147769 CN02147769A CN1417385A CN 1417385 A CN1417385 A CN 1417385A CN 02147769 CN02147769 CN 02147769 CN 02147769 A CN02147769 A CN 02147769A CN 1417385 A CN1417385 A CN 1417385A
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- guide rod
- anode guide
- jfc
- ethanol
- surface scale
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 239000004411 aluminium Substances 0.000 title claims abstract 3
- 238000000034 method Methods 0.000 title claims description 7
- 238000005868 electrolysis reaction Methods 0.000 title description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims abstract description 14
- 238000002788 crimping Methods 0.000 claims abstract description 10
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 9
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 13
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 13
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims 1
- 239000004094 surface-active agent Substances 0.000 claims 1
- 229960004418 trolamine Drugs 0.000 claims 1
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 abstract description 8
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000002736 nonionic surfactant Substances 0.000 abstract description 5
- 238000005406 washing Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 13
- 239000012459 cleaning agent Substances 0.000 description 10
- 235000019441 ethanol Nutrition 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- -1 polyoxyethylene Polymers 0.000 description 3
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 2
- ZPIRTVJRHUMMOI-UHFFFAOYSA-N octoxybenzene Chemical compound CCCCCCCCOC1=CC=CC=C1 ZPIRTVJRHUMMOI-UHFFFAOYSA-N 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 2
- 229920000053 polysorbate 80 Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- MOMKYJPSVWEWPM-UHFFFAOYSA-N 4-(chloromethyl)-2-(4-methylphenyl)-1,3-thiazole Chemical compound C1=CC(C)=CC=C1C1=NC(CCl)=CS1 MOMKYJPSVWEWPM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000019983 sodium metaphosphate Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Detergent Compositions (AREA)
Abstract
Description
技术领域Technical field
本发明属电解铝阳极导杆表面除垢的技术领域。The invention belongs to the technical field of descaling the surface of an electrolytic aluminum anode guide rod.
背景技术 Background technique
在用电解法生产电解铝的过程中，阳极导杆表面容易产生污垢层，这层污垢成分复杂，其存在大大影响了电极的导电性能，特别是在母线和阳极导杆之间的压接面上，如果有了污垢层，直接影响到电传导效率，使电导过程电耗加大，铝的生产成本提高。但由于目前没有什么好办法可以用较低成本去掉这层污垢，所以许多工厂就没有对阳极导杆表面进行除垢处理，从而生产铝的耗电量降不下来，直接影响到工厂的生产效益。In the process of producing electrolytic aluminum by electrolysis, the surface of the anode guide rod is easy to produce a dirt layer. The composition of this layer of dirt is complex, and its existence greatly affects the electrical conductivity of the electrode, especially the crimping surface between the bus bar and the anode guide rod. Above all, if there is a dirt layer, it will directly affect the electrical conduction efficiency, increase the power consumption in the conduction process, and increase the production cost of aluminum. However, since there is currently no good way to remove this layer of dirt at a low cost, many factories do not descale the surface of the anode guide rod, so that the power consumption of aluminum production cannot be reduced, which directly affects the production efficiency of the factory .
发明内容Contents of Invention
本发明要解决的技术问题是给电解铝的阳极导杆压接面进行表面除垢处理。The technical problem to be solved by the invention is to perform surface descaling treatment on the crimping surface of the anode guide rod of electrolytic aluminum.
本发明以如下技术方案解决上述技术问题：使用以下配方的清洗剂清洗母线和阳极导杆的压接部分表面(重量％)The present invention solves the above-mentioned technical problems with the following technical scheme: use the cleaning agent of following formula to clean the crimping part surface (weight %) of bus bar and anode guide rod
十二烷基苯磺酸 1-20 碱金属氢氧化物 0.5-12Dodecylbenzenesulfonic acid 1-20 Alkali metal hydroxide 0.5-12
三乙醇胺 1-25 JFC 0.1-10Triethanolamine 1-25 JFC 0.1-10
六偏磷酸钠 0.5-10 乙醇 5-10Sodium hexametaphosphate 0.5-10 Ethanol 5-10
非离子型表面活性剂 1-18 乙二醇单丁醚 5-20Nonionic Surfactant 1-18 Ethylene Glycol Monobutyl Ether 5-20
水 余量water balance
使用本发明的清洗剂，只要对阳极导杆与母线的压接部分表面进行清洗，使这些表面露出铝晶体，即可使压接面的界面电传导更好，电解铝时电极电压从未清洗压接面前的平均值15.8mv降至清洗后的平均值7.5mv，降压效果十分明显，耗电量也大幅度降低，且处理成本低廉，易于操作，推广应用前景十分看好。Using the cleaning agent of the present invention, as long as the surface of the crimping part of the anode guide rod and the busbar is cleaned to expose these surfaces to aluminum crystals, the interface electrical conduction of the crimping surface can be improved, and the electrode voltage has never been cleaned during electrolysis of aluminum. The average value of 15.8mv before crimping drops to 7.5mv after cleaning, the voltage reduction effect is very obvious, the power consumption is also greatly reduced, and the processing cost is low, easy to operate, and the prospect of popularization and application is very promising.
具体实施方式 Detailed ways
清洗剂采用以下配方进行配制：(重量％)Cleaning agent adopts following formula to prepare: (weight %)
十二烷基苯磺酸 1-20 碱金属氢氧化物 0.5-12Dodecylbenzenesulfonic acid 1-20 Alkali metal hydroxide 0.5-12
三乙醇胺 1-25 JFC 0.1-10Triethanolamine 1-25 JFC 0.1-10
六偏磷酸钠 0.5-10 乙醇 5-10Sodium hexametaphosphate 0.5-10 Ethanol 5-10
非离子型表面活性剂 1-18 乙二醇单丁醚 5-20Nonionic Surfactant 1-18 Ethylene Glycol Monobutyl Ether 5-20
水 余量water balance
其中碱金属氢氧化物可以是氢氧化钠、氢氧化钾，非离子型表面活性剂可以是聚乙二醇辛基苯基醚(10)、失水山梨醇脂肪酸酯环氧乙烷加成物，吐温-80、十八醇聚氧乙烯(20)等。清洗剂的配制方法是：Wherein the alkali metal hydroxide can be sodium hydroxide, potassium hydroxide, and the nonionic surfactant can be polyethylene glycol octylphenyl ether (10), sorbitan fatty acid ester ethylene oxide addition substances, Tween-80, stearyl alcohol polyoxyethylene (20), etc. The preparation method of cleaning agent is:
先将六偏磷酸钠、碱金属氢氧化物分别溶解于水中，继而将碱金属氢氧化物水溶液在搅拌下缓慢加入装有十二烷基苯磺酸的容器中，反应完全后再向容器内加入乙醇、乙二醇单丁醚、三乙醇胺、JFC、非离子型表面活性剂，搅拌均匀后将此容器中的混合液在缓慢搅拌下加入六偏磷酸钠水溶液中，最后用水兑至所需浓度并搅拌均匀即得成品。六偏磷酸钠常温下在水中不易完全溶解，必要时可加热溶解，但要冷却至常温下才能与其它物质混合。Dissolve sodium hexametaphosphate and alkali metal hydroxide in water respectively, then slowly add the aqueous solution of alkali metal hydroxide into the container containing dodecylbenzenesulfonic acid under stirring, and then pour it into the container after the reaction is complete. Add ethanol, ethylene glycol monobutyl ether, triethanolamine, JFC, non-ionic surfactant, stir evenly, add the mixed liquid in this container into the sodium hexametaphosphate aqueous solution under slow stirring, and finally mix it with water to the required Concentration and stir evenly to get the finished product. Sodium hexametaphosphate is not easy to dissolve completely in water at normal temperature, it can be dissolved by heating if necessary, but it can be mixed with other substances only after cooling to normal temperature.
使用本发明的清洗剂处理电解铝阳极导杆压接面时，只需用毛刷沾上清洗剂涂到被清洗的导杆表面上，停留2-3分钟，用刷子(塑料刷或钢刷)刷表面，再用水冲洗掉或用布擦掉即可，擦布最好随时洗净拧干，保持擦布干净。如果表面平整可以不用刷子刷，直接用布擦干净即可。When using the cleaning agent of the present invention to process the crimping surface of the electrolytic aluminum anode guide rod, it is only necessary to dip the cleaning agent on the surface of the cleaned guide rod with a hairbrush, stay for 2-3 minutes, and use a brush (plastic brush or steel brush) ) brush the surface, then rinse it off with water or wipe it off with a cloth. It is best to wash and wring the cloth at any time to keep the cloth clean. If the surface is flat, you don't need to brush it with a brush, just wipe it clean with a cloth.
实施例1：Example 1:
将六偏磷酸钠20g、氢氧化钠40g分别溶解于400ml和100ml水中，溶解完全后将氢氧化钠水溶液在搅拌下慢慢加入装有十二烷基苯磺酸50g的容器中，待反应完全后再向此容器加入乙醇100g、乙二醇单丁醚50g、三乙醇胺50g、JFC30g、聚乙二醇辛基苯基醚(10)10g，并搅拌均匀后，将容器内混合液缓慢加入到装有六偏磷酸钠水溶液的容器中，并加入水150ml搅匀制成1000g本发明的清洗剂。Dissolve 20g of sodium hexametaphosphate and 40g of sodium hydroxide in 400ml and 100ml of water respectively. After the dissolution is complete, slowly add the aqueous sodium hydroxide solution into a container containing 50g of dodecylbenzenesulfonic acid under stirring, and wait until the reaction is complete. Then add 100g of ethanol, 50g of ethylene glycol monobutyl ether, 50g of triethanolamine, 30g of JFC, and 10g of polyethylene glycol octylphenyl ether (10) to this container, and after stirring evenly, slowly add the mixed solution in the container to In the container that sodium hexametaphosphate aqueous solution is housed, and add water 150ml and stir thoroughly and make 1000g cleaning agent of the present invention.
实施例2：Example 2:
步骤和方法与实施例1相同。将六偏磷酸钠50g、氢氧化钾40g分别溶于300ml和100ml水中，将氢氧化钾水溶液在搅拌中缓慢加入到装有十二烷基苯磺酸40g的容器内，反应完全后向此容器加入乙醇100g、乙二醇单丁醚50g、三乙醇胺50g、JFC20g、失水山梨醇脂肪酸酯环氧乙烷加成物30g并搅拌均匀，再将此液体在搅拌下缓慢加到装有六偏磷酸钠水溶液的容器中，并加入水220ml搅匀制成1000g清洗剂。Step and method are identical with embodiment 1. Dissolve 50g of sodium hexametaphosphate and 40g of potassium hydroxide in 300ml and 100ml of water respectively, slowly add the aqueous solution of potassium hydroxide into the container containing 40g of dodecylbenzenesulfonic acid while stirring, and pour it into the container after the reaction is complete. Add 100g of ethanol, 50g of ethylene glycol monobutyl ether, 50g of triethanolamine, 20g of JFC, 30g of sorbitan fatty acid ester ethylene oxide adduct and stir evenly, then slowly add this liquid to the In the container of sodium metaphosphate aqueous solution, add 220ml of water and stir to make 1000g of cleaning agent.
实施例3：Example 3:
将六偏磷酸钠50g、氢氧化钾30g分别溶于350ml和70ml水中。将氢氧化钾溶液搅拌缓慢加入到装有十二烷基苯磺酸30g的容器中，反应完全再后向此容器加入乙醇80g、乙二醇单丁醚180g、三乙醇胺50g、JFC50g、吐温-80 10g，搅匀后将此液缓慢搅拌加入到六偏磷酸钠水溶液中，并加入水100ml并搅匀后得清洗剂1000g。Dissolve 50g of sodium hexametaphosphate and 30g of potassium hydroxide in 350ml and 70ml of water respectively. Stir the potassium hydroxide solution and slowly add it into a container containing 30 g of dodecylbenzenesulfonic acid. After the reaction is complete, add 80 g of ethanol, 180 g of ethylene glycol monobutyl ether, 50 g of triethanolamine, 50 g of JFC, and Tween -80 10g, after stirring well, slowly stir this liquid into the sodium hexametaphosphate aqueous solution, and add 100ml of water and stir well to obtain 1000g of cleaning agent.
实施例4：Example 4:
将六偏磷酸钠50g、氢氧化钠50g分别溶于250ml和120ml水溶液中，将氢氧化钠溶液缓慢搅拌加入装有十二烷基苯磺酸150g的容器内，反应完全后将乙醇70g、乙二醇单丁醚70g、三乙醇胺60g、JFC10g、十八醇聚氧乙烯(20)50g加入上述容器搅匀，再将该容器中的溶液缓慢加入到六偏磷酸钠溶液中并加入水120ml搅拌均匀，得到本清洗剂1000g。Dissolve 50g of sodium hexametaphosphate and 50g of sodium hydroxide in 250ml and 120ml of aqueous solution respectively, slowly stir the sodium hydroxide solution into a container containing 150g of dodecylbenzenesulfonic acid, and mix 70g of ethanol, ethyl alcohol and Add 70g of diol monobutyl ether, 60g of triethanolamine, 10g of JFC, and 50g of stearyl alcohol polyoxyethylene (20) into the above container and stir well, then slowly add the solution in the container to the sodium hexametaphosphate solution and add 120ml of water and stir Uniformly, obtain this cleaning agent 1000g.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021477698A CN1172026C (en) | 2002-11-29 | 2002-11-29 | Method for Descaling Surface of Crimp Surface of Electrolytic Aluminum Anode Guide Rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021477698A CN1172026C (en) | 2002-11-29 | 2002-11-29 | Method for Descaling Surface of Crimp Surface of Electrolytic Aluminum Anode Guide Rod |
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| Publication Number | Publication Date |
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| CN1417385A true CN1417385A (en) | 2003-05-14 |
| CN1172026C CN1172026C (en) | 2004-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021477698A Expired - Fee Related CN1172026C (en) | 2002-11-29 | 2002-11-29 | Method for Descaling Surface of Crimp Surface of Electrolytic Aluminum Anode Guide Rod |
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| CN (1) | CN1172026C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304721A (en) * | 2011-09-28 | 2012-01-04 | 广西大学 | Fast cleaning agent used for cleaning dirt on surface of aluminum electrolysis anode rod |
| CN101012411B (en) * | 2007-02-01 | 2012-06-13 | 大连三达奥克化学有限公司 | A kind of aluminum and aluminum alloy cleaning agent and using method thereof |
| CN102943258A (en) * | 2012-09-18 | 2013-02-27 | 上海金兆节能科技有限公司 | Environment-friendly rust-removing anti-rust agent |
| CN104120460A (en) * | 2014-07-02 | 2014-10-29 | 广州鸿葳科技股份有限公司 | Method for removing scaling of surface of titanium anode for electrolytic copper foil |
| CN110886009A (en) * | 2019-12-16 | 2020-03-17 | 湖北德美科技有限公司 | Aluminum alloy electrolytic powder and preparation method thereof |
| CN111162148A (en) * | 2020-01-06 | 2020-05-15 | 佛山市国星半导体技术有限公司 | A kind of anti-glue LED chip and its production method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101693250B (en) * | 2009-10-16 | 2012-04-04 | 无锡蠡湖叶轮制造有限公司 | Aluminum scrap recycling process |
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- 2002-11-29 CN CNB021477698A patent/CN1172026C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012411B (en) * | 2007-02-01 | 2012-06-13 | 大连三达奥克化学有限公司 | A kind of aluminum and aluminum alloy cleaning agent and using method thereof |
| CN102304721A (en) * | 2011-09-28 | 2012-01-04 | 广西大学 | Fast cleaning agent used for cleaning dirt on surface of aluminum electrolysis anode rod |
| CN102304721B (en) * | 2011-09-28 | 2013-05-15 | 广西大学 | A quick cleaning agent for removing dirt on the surface of aluminum electrolytic anode guide rod |
| CN102943258A (en) * | 2012-09-18 | 2013-02-27 | 上海金兆节能科技有限公司 | Environment-friendly rust-removing anti-rust agent |
| CN102943258B (en) * | 2012-09-18 | 2014-06-25 | 上海金兆节能科技有限公司 | Environment-friendly rust-removing anti-rust agent |
| CN104120460A (en) * | 2014-07-02 | 2014-10-29 | 广州鸿葳科技股份有限公司 | Method for removing scaling of surface of titanium anode for electrolytic copper foil |
| CN104120460B (en) * | 2014-07-02 | 2016-09-21 | 广州鸿葳科技股份有限公司 | A kind of method removing electrolytic copper foil Ni-Ti anode surface scale |
| CN110886009A (en) * | 2019-12-16 | 2020-03-17 | 湖北德美科技有限公司 | Aluminum alloy electrolytic powder and preparation method thereof |
| CN111162148A (en) * | 2020-01-06 | 2020-05-15 | 佛山市国星半导体技术有限公司 | A kind of anti-glue LED chip and its production method |
| CN111162148B (en) * | 2020-01-06 | 2021-06-29 | 佛山市国星半导体技术有限公司 | A kind of anti-glue LED chip and its production method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1172026C (en) | 2004-10-20 |
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