CN110983346A - 一种用于不锈钢新烟丝箱的清洁方法 - Google Patents
一种用于不锈钢新烟丝箱的清洁方法 Download PDFInfo
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- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/083—Deburring
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
- C23G1/065—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors sulfur-containing compounds
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
- C23G1/068—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors compounds containing a C=C bond
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
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Abstract
本发明公开的一种用于不锈钢新烟丝箱的清洁方法,包括以下步骤:S1.将新烟丝箱浸渍于液氮中,喷抛磨料用以去除毛刺;S2.超声碱洗,所用碱性清洗剂包括沸石分子筛、络合剂、无机碱、复合表面活性剂、渗透剂、互溶剂、磁化水;S3.超声酸洗,所用酸性清洗剂包括沸石分子筛、有机酸、缓蚀剂、复合表面活性剂、磁化水;S3.钝化覆膜,利用阳极氧化法获得微纳层,经全氟癸基三氯硅烷浸泡后,得疏水防粘层;S4.漂洗、擦干待用,清洗力强,除毛刺效果好,避免挂丝,制备了超疏水层,防止烟丝粘连至不锈钢烟丝箱。
Description
技术领域
本发明涉及烟丝储存领域,具体涉及一种用于不锈钢新烟丝箱的清洁方法。
背景技术
制丝车间的成品烟丝送至卷包车间卷烟机上,为了便于柔性送丝物流系统,采用的不锈钢烟丝转运箱,便于生产的柔性化调配。
但食品级不锈钢周转箱在生产、制造、运输、装卸等过程中,新烟丝箱会存在毛刺、焊渣、液体污染物、污渍、氧化、残留物等不足之处,不仅影响美观、而且对烟丝品质也存在重大的质量隐患。
目前,常见的不锈钢清洗方法主要采用热水、酒精、超声波、有机溶剂等,该方法净洗力不足、除毛刺效果不好,容易挂烟丝,且因烟丝本身带有一定的水分含量,在运输过程中易造成粘连至不锈钢烟丝箱,。
发明内容
为解决上述问题,本发明提供一种用于不锈钢新烟丝箱的清洁方法,清洗力强,除毛刺效果好,避免挂丝,制备了超疏水层,防止烟丝粘连至不锈钢烟丝箱。
本发明解决的技术方案是提供一种用于不锈钢新烟丝箱的清洁方法,包括以下步骤:
S1.将新烟丝箱浸渍于液氮中,喷抛磨料用以去除毛刺;
S2.超声碱洗,所用碱性清洗剂包括沸石分子筛、络合剂、无机碱、复合表面活性剂、渗透剂、互溶剂、磁化水;
S3.超声酸洗,所用酸性清洗剂包括沸石分子筛、有机酸、缓蚀剂、复合表面活性剂、磁化水;
S3.钝化覆膜,利用阳极氧化法获得微纳层,经全氟癸基三氯硅烷浸泡后,得疏水防粘层;
S4.漂洗、擦干待用。
优选地,所述磨料包括石英砂、高猛钢、碳化铬中的一种或几种,所述磨料粒径为100-1000μm。
优选地,所述复合表面活性剂包括脂肪醇聚氧乙烯醚、十二烷基硫酸钠、三聚磷酸钠、壬基酚聚氧乙烯醚、α-烯烃磺酸钠中的至少一种。
优选地,所述络合剂包括乙二胺四乙酸、三聚磷酸钠。
优选地,所述缓蚀剂包括二邻甲苯硫尿、二乙基硫脲、联炔丙基硫醚、5-苯酰炔丙基硫醇,所述有机酸为柠檬酸、氨基磺酸。
优选地,所述阳极氧化电流密度为1-5 A/dm2,阳极氧化电解液为氟化铵的乙二醇溶液,电解温度为20-30℃。
通过液氮降温,使得不锈钢烟丝箱材料发生脆化,而毛刺的厚度比制品的厚度要薄很多,所以毛刺的脆化速度要比制品的脆化速度快,再通过高速喷抛磨料击打制品,从而除去催化的毛刺,防止烟丝挂在毛刺上;同时,喷抛磨料为微米级刚性材料,基于塑形形变原理,经撞击能够在不锈钢构筑表面微米粗糙结构,所构筑的表面微米结构在形貌上呈凹凸纹理,是磨料撞击钢表面形成的凹陷与隆起所组成的连续凹凸起伏结构,这种凹凸起伏状的表面结构相较于光滑平面粗趟,是一种粗糙结构,但相较于杂乱无章的原始粗糙表面,更为均匀可控,形成了凹凸有致的表面微米粗糙结构,为后续构建纳米疏水层提供基础。
不锈钢为铁基合金,包含镍、铬等,但是铁不属于阀金属,阀金属在高电压下不会发生析氧反应,而且能够在介电质击穿前生长出一层较厚的阳极氧化膜。而金属铁则会在高阳极电位下发生析氧反应,阳极氧化反应困难,喷抛磨料撞击金属表面,在金属表面产生残余压应力层,阳极氧化是一种表面处理技术,在金属表面生长一层阳极氧化膜,喷抛磨料改变了不锈钢的表面纹理,导致钢表层产生残余压应力层,同时导致了钢表面晶界增多,晶粒细化之后具有更低的纯化电流密度,提供了更多的形核位置,还使得渗碳体的形状和大小发生了改变,喷抛磨料引起的这些效应,促进了阳极氧化;
在超声波作用下,沸石分子筛的吸附速率增加,吸附率增大,这主要是因为,当向体系施加超声时,超声及其空化引起沸石分子筛震荡和碰撞,空化产生的微射流和冲击波对边界层和颗粒表面的清洗形成了表面蚀斑和边界层空洞,颗粒边界层减薄,边界层内的扩散得以强化;此外超声给经清洗剂溶解后的物质提供一定的能量,使其更容易扩散到分子筛孔道中,导致吸附速率的增加和吸附率的增大。
阳极氧化膜表面能高,呈亲水表面,但经喷抛磨料后,表面具有微米级多尺度粗糙结构,接触角升高,且通过全氟癸基三氯硅烷浸泡不锈钢,降低其表面自由能,使其表面呈疏水性,防止烟丝粘连至不锈钢烟丝箱壁上,并易于清洗。
碱洗使金属和氧化物点位改变,为酸洗创造条件,对氧化铁、氧化铜等具有良好络合能力的有机物;渗透剂能够加快多功能清洗剂渗透至有机垢中,实现剥离、分散垢样提高溶垢速度;互溶剂的加入增加了配制水溶液的稳定性;缓蚀剂是指在腐蚀性介质中加少量水,并能使金属的腐蚀速度大大降低,金属在酸中的腐蚀属电化学过程,缓蚀剂能抑制阳极和阴极过程,金属表面吸附了缓蚀剂的分子,使金属腐蚀速度减慢;通过先碱洗后酸洗,清洗更为彻底,且对金属表面损伤小。
本发明的有益效果如下:
1.通过液氮降温,喷抛磨料去除毛刺,防止烟丝挂在毛刺上,同时也为构建阳极氧化膜提供基底基础;
2.喷抛磨料撞击金属表面,导致了不锈钢表面晶界增多,晶粒细化之后具有更低的纯化电流密度,提供了更多的形核位置,促进阳极氧化;
3.全氟癸基三氯硅烷修饰阳极氧化膜,降低其表面自由能,使其表面呈疏水性,防止烟丝粘连至不锈钢烟丝箱壁上,并易于清洗;
4.清洗剂中含有沸石分子筛,在超声的作用下,加强经清洗剂溶解后的物质的吸附,使清洗更为彻底,净洗力提高;
5.复配碱性清洗剂和酸性清洗剂,对不锈钢的液体污染物和残渣进行溶解和清洗,添加功能性试剂络合剂、复合表面活性剂、渗透剂、互溶剂、磁化水、缓蚀剂全方位覆盖污渍范围,在能深度清洁箱体的同时,保证其不受腐蚀损伤。
具体实施方式
为了使本发明所述的内容更加便于理解,下面结合具体实施方式对本发明所述的技术方案做进一步的说明,但是本发明不仅限于此。
实施例1
将新烟丝箱浸渍于-70℃液氮中,浸渍1h后,采用喷丸机高速喷抛粒径为100-1000μm混合尺寸的石英砂,工作压力设为 0.5mPa;
将已去毛刺的烟丝箱浸泡于碱清洗剂中,超声清洗30min,超声频率为30KHz,其中,碱性清洗剂包括如下组分:20g/L沸石分子筛、0.3g/L乙二胺四乙酸、5g/L氢氧化钠、0.1g/L脂肪醇聚氧乙烯醚、0.5g/L十二烷基硫酸钠、0.2g/L脂肪醇聚氧乙烯醚渗透剂、市售互溶剂、400-800g/L磁化水;
将烟丝箱浸泡于酸性清洗剂中,超声清洗30min,超声频率为30KHz,其中,酸性清洗剂包括如下组分:20g/L沸石分子筛、5g/L柠檬酸、0.5g/L二邻甲苯硫尿、0.1g/L三聚磷酸钠、0.5g/L壬基酚聚氧乙烯醚、400-800g/L磁化水;
采用恒电流法氧化镀膜,电流密度为1A/dm2,阳极氧化时间分别为5min,阳极氧化电解液为含氟化铵和水的乙二醇溶液,其配方为:0.1mol/dm3氟化铵,0.5mol/dm3水,在氧化过程中,由恒温装置将电解液的温度控制在20℃;
将烟丝箱浸泡于0.1g/L的全氟癸基三氯硅烷溶液中半小时,晾干,漂洗,擦干待用。
实施例2
将新烟丝箱浸渍于-70℃液氮中,浸渍1h后,采用喷丸机高速喷抛粒径为100-1000μm混合尺寸的高猛钢,工作压力设为 0.5mPa;
将已去毛刺的烟丝箱浸泡于碱清洗剂中,超声清洗30min,超声频率为30KHz,其中,碱性清洗剂包括如下组分:20g/L沸石分子筛、0.3g/L三聚磷酸钠、5g/L氢氧化钠、0.1g/L壬基酚聚氧乙烯醚、0.5g/L十二烷基硫酸钠、0.2g/L脂肪醇聚氧乙烯醚渗透剂、市售互溶剂、400-800g/L磁化水;
将烟丝箱浸泡于酸性清洗剂中,超声清洗30min,超声频率为30KHz,其中,酸性清洗剂包括如下组分:20g/L沸石分子筛、5g/L氨基磺酸、0.5g/L二乙基硫脲、0.1g/L三聚磷酸钠、0.5g/Lα-烯烃磺酸钠、400-800g/L磁化水;
采用恒电流法氧化镀膜,电流密度为5A/dm2,阳极氧化时间分别为5min,阳极氧化电解液为含氟化铵和水的乙二醇溶液,其配方为:0.1mol/dm3氟化铵,0.5mol/dm3水,在氧化过程中,由恒温装置将电解液的温度控制在25℃;
将烟丝箱浸泡于0.1g/L的全氟癸基三氯硅烷溶液中半小时,晾干,漂洗,擦干待用。
实施例3
将新烟丝箱浸渍于-70℃液氮中,浸渍1h后,采用喷丸机高速喷抛粒径为100-1000μm混合尺寸的碳化铬,工作压力设为 0.5mPa;
将已去毛刺的烟丝箱浸泡于碱清洗剂中,超声清洗30min,超声频率为30KHz,其中,碱性清洗剂包括如下组分:20g/L沸石分子筛、0.3g/L乙二胺四乙酸、5g/L氢氧化钠、0.1g/L三聚磷酸钠、0.5g/L壬基酚聚氧乙烯醚、0.2g/L脂肪醇聚氧乙烯醚渗透剂、市售互溶剂、400-800g/L磁化水;
将烟丝箱浸泡于酸性清洗剂中,超声清洗30min,超声频率为30KHz,其中,酸性清洗剂包括如下组分:20g/L沸石分子筛、5g/L柠檬酸、0.5g/L联炔丙基硫醚、5-苯酰炔丙基硫醇混合物、0.1g/L三聚磷酸钠、0.5g/L壬基酚聚氧乙烯醚、400-800g/L磁化水;
采用恒电流法氧化镀膜,电流密度为3A/dm2,阳极氧化时间分别为5min,阳极氧化电解液为含氟化铵和水的乙二醇溶液,其配方为:0.1mol/dm3氟化铵,0.5mol/dm3水,在氧化过程中,由恒温装置将电解液的温度控制在30℃;
将烟丝箱浸泡于0.1g/L的全氟癸基三氯硅烷溶液中半小时,晾干,漂洗,擦干待用。
实施例4
将的烟丝箱浸泡于碱清洗剂中,超声清洗30min,超声频率为30KHz,其中,碱性清洗剂包括如下组分:20g/L沸石分子筛、0.3g/L乙二胺四乙酸、5g/L氢氧化钠、0.1g/L脂肪醇聚氧乙烯醚、0.5g/L十二烷基硫酸钠、0.2g/L脂肪醇聚氧乙烯醚渗透剂、市售互溶剂、400-800g/L磁化水;
将烟丝箱浸泡于酸性清洗剂中,超声清洗30min,超声频率为30KHz,其中,酸性清洗剂包括如下组分:20g/L沸石分子筛、5g/L柠檬酸、0.5g/L二邻甲苯硫尿、0.1g/L三聚磷酸钠、0.5g/L壬基酚聚氧乙烯醚、400-800g/L磁化水;
采用恒电流法氧化镀膜,电流密度为1A/dm2,阳极氧化时间分别为5min,阳极氧化电解液为含氟化铵和水的乙二醇溶液,其配方为:0.1mol/dm3氟化铵,0.5mol/dm3水,在氧化过程中,由恒温装置将电解液的温度控制在20℃;
将烟丝箱浸泡于0.1g/L的全氟癸基三氯硅烷溶液中半小时,晾干,漂洗,擦干待用。
实施例5
将新烟丝箱浸渍于-70℃液氮中,浸渍1h后,采用喷丸机高速喷抛粒径为100-1000μm混合尺寸的碳化铬,工作压力设为 0.5mPa;
将烟丝箱浸泡于酸性清洗剂中,超声清洗30min,超声频率为30KHz,其中,酸性清洗剂包括如下组分:20g/L沸石分子筛、5g/L柠檬酸、0.5g/L联炔丙基硫醚、5-苯酰炔丙基硫醇混合物、0.1g/L三聚磷酸钠、0.5g/L壬基酚聚氧乙烯醚、400-800g/L磁化水;
采用恒电流法氧化镀膜,电流密度为3A/dm2,阳极氧化时间分别为5min,阳极氧化电解液为含氟化铵和水的乙二醇溶液,其配方为:0.1mol/dm3氟化铵,0.5mol/dm3水,在氧化过程中,由恒温装置将电解液的温度控制在30℃;
将烟丝箱浸泡于0.1g/L的全氟癸基三氯硅烷溶液中半小时,晾干,漂洗,擦干待用。
实施例6
将新烟丝箱浸渍于-70℃液氮中,浸渍1h后,采用喷丸机高速喷抛粒径为100-1000μm混合尺寸的碳化铬,工作压力设为 0.5mPa;
将已去毛刺的烟丝箱浸泡于碱清洗剂中,超声清洗30min,超声频率为30KHz,其中,碱性清洗剂包括如下组分:20g/L沸石分子筛、0.3g/L乙二胺四乙酸、5g/L氢氧化钠、0.1g/L三聚磷酸钠、0.5g/L壬基酚聚氧乙烯醚、0.2g/L脂肪醇聚氧乙烯醚渗透剂、市售互溶剂、400-800g/L磁化水;
将烟丝箱浸泡于酸性清洗剂中,超声清洗30min,超声频率为30KHz,其中,酸性清洗剂包括如下组分:20g/L沸石分子筛、5g/L柠檬酸、0.5g/L联炔丙基硫醚、5-苯酰炔丙基硫醇混合物、0.1g/L三聚磷酸钠、0.5g/L壬基酚聚氧乙烯醚、400-800g/L磁化水;
采用恒电流法氧化镀膜,电流密度为3A/dm2,阳极氧化时间分别为5min,阳极氧化电解液为含氟化铵和水的乙二醇溶液,其配方为:0.1mol/dm3氟化铵,0.5mol/dm3水,在氧化过程中,由恒温装置将电解液的温度控制在30℃;
实施例7
对实施例1-6所清洗后的烟丝箱使用1天后,进行清洁度、挂丝和粘连评价,结果如表1,说明本方案所清洗的烟丝箱洁净度高、不挂丝、不粘连。
表1 实施例1-6评价结果
以上所述仅为本发明的较佳实施例,凡依本发明申请专利范围所做的均等变化与修饰,皆应属本发明的涵盖范围。
Claims (6)
1.一种用于不锈钢新烟丝箱的清洁方法,其特征在于,包括以下步骤:
S1.将新烟丝箱浸渍于液氮中,喷抛磨料用以去除毛刺;
S2.超声碱洗,所用碱性清洗剂包括沸石分子筛、络合剂、无机碱、复合表面活性剂、渗透剂、互溶剂、磁化水;
S3.超声酸洗,所用酸性清洗剂包括沸石分子筛、有机酸、缓蚀剂、复合表面活性剂、磁化水;
S3.钝化覆膜,利用阳极氧化法获得微纳层,经全氟癸基三氯硅烷浸泡后,得疏水防粘层;
S4.漂洗、擦干待用。
2.根据权利要求1所述的一种用于不锈钢新烟丝箱的清洁方法,其特征在于,所述磨料包括石英砂、高猛钢、碳化铬中的一种或几种,所述磨料粒径为100-1000μm。
3.根据权利要求1所述的一种用于不锈钢新烟丝箱的清洁方法,其特征在于,所述复合表面活性剂包括脂肪醇聚氧乙烯醚、十二烷基硫酸钠、三聚磷酸钠、壬基酚聚氧乙烯醚、α-烯烃磺酸钠中的至少一种。
4.根据权利要求1所述的一种用于不锈钢新烟丝箱的清洁方法,其特征在于,所述络合剂包括乙二胺四乙酸、三聚磷酸钠。
5.根据权利要求1所述的一种用于不锈钢新烟丝箱的清洁方法,其特征在于,所述缓蚀剂包括二邻甲苯硫尿、二乙基硫脲、联炔丙基硫醚、5-苯酰炔丙基硫醇中的一种或几种,所述有机酸为柠檬酸、氨基磺酸。
6.根据权利要求1所述的一种用于不锈钢新烟丝箱的清洁方法,其特征在于,所述阳极氧化电流密度为1-5 A/dm2,阳极氧化电解液为氟化铵的乙二醇溶液,电解温度为20-30℃。
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