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济南vnsc3775威尼斯城官网-威尼斯人667801官网脱脂方法及生产流程具体分析

发布时间:2022-05-14 来源:/

就目前而言,济南vnsc3775威尼斯城官网-威尼斯人667801官网广泛应用于建筑构件中,因此其生产工艺也非常严格,生产流程也由以前的人工升级为机械化生产。生产过程中的脱脂方法主要有三种。包括有机溶剂脱脂、化学脱脂和电化学脱脂。
At present, Jinan section steel is widely used in building components, so its production process is also very strict, and the production process is upgraded from manual production to mechanized production. There are three main degreasing methods in the production process. Including organic solvent degreasing, chemical degreasing and electrochemical degreasing.
生产工艺:
Production process:
卸料——校平——整形——矫直——测长——冲拉杆——冲拉杆圆孔——冲椭圆连接孔——成型切断
Unloading - leveling - shaping - straightening - length measurement - punching rod - punching rod round hole - punching elliptical connecting hole - forming and cutting
vnsc3775威尼斯城官网-威尼斯人667801官网由热轧钢板冷弯成型,具有壁薄、重量轻、断面性能好、强度高等特点。与传统槽钢相比,同等强度可节省材料30%。
Section steel is formed by cold bending of hot-rolled steel plate, which has the characteristics of thin wall, light weight, good section performance and high strength. Compared with traditional channel steel, the same strength can save 30% of materials.
济南vnsc3775威尼斯城官网-威尼斯人667801官网表面脱脂的方法有很多,通常与生产线的设备设置有关,两者需要相互适应。
There are many methods to degrease the surface of Jinan section steel, which are usually related to the equipment setting of the production line, and the two need to adapt to each other.
脱脂方法:
Degreasing method:
有机溶剂脱脂。有机溶剂脱脂实际上是将皂化油和不皂化油溶解在有机溶剂中的过程。在钢材加工过程中,钢材表面往往会附着一层厚厚的油膜。直接化学处理很困难,通常用有机溶剂处理。这种方法不适用于去除附着在电焊钢表面的油污。
Degrease with organic solvent. Degreasing with organic solvent is actually the process of dissolving saponified oil and unsaponifiable oil in organic solvent. In the process of steel processing, a thick oil film is often attached to the steel surface. Direct chemical treatment is difficult and is usually treated with organic solvents. This method is not suitable for removing oil stains attached to the surface of electric welding steel.
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化学脱脂。一般是指用碱溶液和碱盐溶液除油。这种脱脂过程是一个复杂的物理和化学过程。它是由油膜在表面活性剂和碱的作用下产生的。碱性水溶液去除钢表面油脂的机理。
Chemical degreasing. It generally refers to removing oil with alkali solution and alkali salt solution. This degreasing process is a complex physical and chemical process. It is produced by oil film under the action of surfactant and alkali. Mechanism of removing grease on steel surface by alkaline aqueous solution.
目前化学脱脂主要用于vnsc3775威尼斯城官网-威尼斯人667801官网热镀锌前的脱脂。脱脂剂也可以循环使用,有利于脱脂。循环系统中应安装分离器,以去除脱脂液中的油脂。为了清洁vnsc3775威尼斯城官网-威尼斯人667801官网表面,在将vnsc3775威尼斯城官网-威尼斯人667801官网从脱脂溶液中取出之前,应先去除脱脂溶液的表面。
At present, chemical degreasing is mainly used for degreasing of section steel before hot dip galvanizing. Degreasing agent can also be recycled, which is conducive to degreasing. A separator shall be installed in the circulating system to remove grease from the degreasing solution. In order to clean the surface of profile steel, the surface of degreasing solution shall be removed before taking the profile steel out of degreasing solution.
电化学脱脂。电化学脱脂是将氢与阴离子或氧与阳离子分离,机械剥离附着在vnsc3775威尼斯城官网-威尼斯人667801官网表面的油膜,加速油乳化的过程。根据被清洗物的电性能,电摆脱脂方法可分为正极电摆脱脂法、负极电摆脱脂法和混合电摆脱脂法。
Electrochemical degreasing. Electrochemical degreasing is the process of separating hydrogen from anions or oxygen from cations, mechanically stripping the oil film attached to the surface of section steel and accelerating oil emulsification. According to the electrical properties of the cleaned object, electrolytic degreasing methods can be divided into positive electrolytic degreasing method, negative electrolytic degreasing method and mixed electrolytic degreasing method.
一般来说,济南vnsc3775威尼斯城官网-威尼斯人667801官网炉焊管表面的油脂较少。焊管是在高温下形成的,在精加工过程中可能会与油脂接触,但这可以避免,通常不需要脱脂过程。在焊接过程中,管道与润滑脂接触的机会很大,而且表面往往会附着有套管润滑脂。如果不进行脱脂处理,会给酸洗带来困难,甚至污染酸洗液。综上所述,脱脂的使用取决于原料在碳钢表面的具体情况。
Generally speaking, there is less grease on the surface of Jinan section steel furnace welded pipe. Welded pipes are formed at high temperatures and may come into contact with grease during finishing, but this can be avoided and usually no degreasing process is required. In the process of welding, the pipe has a great chance of contacting with grease, and the surface is often attached with casing grease. If the degreasing treatment is not carried out, it will bring difficulties to pickling and even pollute the pickling solution. In conclusion, the use of degreasing depends on the specific situation of raw materials on the surface of carbon steel.
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How much do you know about Jinan section steel? The profile steel forming machine can automatically complete the profile steel forming process according to the given profile steel size. If you want to know more information, please follow our website to see the new information.

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