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高压水清洗在铝板铝卷带上的使用

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高压清洗机在铝板带清洗设备上的使用近年来随着我国国民经济的高速开展,航空航天、家用电器、装修材料及饮料行业等对铝带、箔的需求越来越大,带来了PS基材、铝塑带、电容器箔、制罐料等高精度铝板带材的快速开展。这些产品对平直度、洁净度要求十分严厉,而高精度铝带材通常是采用全油冷却光滑轧制的,其外表残留很多的轧制油和铝粉,因而要取得杰出的外表质量,有必要清洗去掉其外表残留物。别的关于板形要求较高铝带材还要进行拉弯矫直,拉弯矫直使带材在拉仲和曲折的效果下,逐步发生塑性延仲并释放板材内应力,以改善板带材在冷加工时发生的波形、翘曲、侧弯和潜在的板形不良等缺点,从矫直工艺考虑,首先有必要对带材外表进行清洗。
In recent years, with the rapid development of our national economy, the use of high-pressure cleaner in cleaning equipment of aluminium sheet and strip, the demand for aluminium strip and foil is increasing in aerospace, household appliances, decoration materials and beverage industry, which brings the rapid development of PS base material, aluminium plastic strip, capacitor foil, canning material and other high-precision aluminium sheet and strip. These products have strict requirements for flatness and cleanliness, while high-precision aluminium strips are usually rolled by oil-cooled and smooth rolling. There are a lot of rolling oil and aluminium powder remaining on their surface. Therefore, in order to achieve outstanding appearance quality, it is necessary to clean and remove their surface residues. In order to improve the flatness of aluminium strip during cold working, it is necessary to clean the outer surface of strip firstly considering the straightening process. In addition, the strip should be stretched, bended and straightened. Under the effect of stretching and bending, the plastic extension will occur gradually and the internal stress of the strip will be released to improve the flaws such as waveform, warpage, lateral bending and potential bad shape of the strip.
铝板带清洗原理及理论
Cleaning Principle and Theory of Aluminum Plate and Strip
清洗原理铝板带在冷轧制过程中,因轧辊与铝板外表冲突和碾压,其外表会发生细微的氧化铝粉掉落和吸附,轧制油及其顺便悬浮成分会残留在铝板外表,对铝板带复合、涂装等成品加工形成不利影响。而目_拉弯矫直时由于带材在辊上发生剧烈曲折变形,对带材施加的张力一部分转化为带材对张力辊的压力,并终究构成冲突力,带动辊组。因而,如果带材外表未经清洗,变形时氧化铝粉掉落,随着油污一同x附在张力辊的辊面,使辊面发生磨损,并形成铝板略伤,故有必要通过专门的清洗装置进行清洗。
Cleaning Principle Aluminum plate and strip in cold rolling process, because of the surface conflict and rolling between roll and aluminium plate, its appearance will occur slight dropping and adsorption of aluminium oxide powder, rolling oil and its incidental suspended components will remain on the surface of aluminium plate, which will have a negative impact on the processing of aluminium plate and strip composite, coating and other finished products. The tension exerted on the strip is partly transformed into the tension roll of the strip due to the severe bending and deformation of the strip on the roll, which eventually constitutes a conflict force and drives the roll group. Therefore, if the strip surface is not cleaned and alumina powder falls off during deformation, with oil contamination X attached to the roll surface of tension roll, the roll surface will be worn and slightly damaged, so it is necessary to clean the strip by special cleaning device.

铝卷生产厂家
清洗就是使用压力泵对清洗介质加压,对带材外表进行非触摸式喷洗或触摸式刷洗,使材料外表的铝粉油污溶解掉落到清洗介质中,再经挤干辊挤干和高压空气吹扫,乃至高温空气烘干,以取得洁净干燥的铝带材。一起,通过不断弥补清洗介质与在线循环过滤体系一起使用,使清洗介质保持足量和清洁,并大大节省热能和清洗介质。现在,铝加工行业的拉弯矫直机常用的清洗介质有清洗剂(或称溶剂油)、软化热水、化学溶剂,并各有优缺点。
Cleaning is to use pressure pump to pressurize the cleaning medium, to spray or brush the surface of the strip with non-touch type, so that the aluminum powder oil pollution on the surface of the strip can be dissolved and dropped into the cleaning medium, and then dried by extrusion roller, high-pressure air blowing and even high-temperature air drying, in order to obtain clean and dry aluminum strip. Together, by continuously compensating for the use of cleaning media in conjunction with the online circulating filtration system, the cleaning media can be maintained in sufficient quantity and cleanliness, and the thermal energy and cleaning media can be greatly saved. Nowadays, the commonly used cleaning media of STRETCH-BEND Leveller in aluminium processing industry are cleaning agent (or solvent oil), softening hot water and chemical solvent, and each has its own advantages and disadvantages.
高压水射流的喷发间隔高压水射流是靠密实的流束直接喷发而发生巨大的打击力,密实射流和直接喷发二者缺一不可。射流流束以喷嘴中心线呈对称布置,而是发散散布,射流一般分为三段。原始段,长度用L,表明,这段射流的特点是沿轴向的动压力值儿乎是常数,射流顶级的动压和喷嘴出口的动压是相同的。另一特点质地十分密实,质点儿乎不好空气相混和,因而该段的打击力较强,首要用于清洗坚硬的结垢物,基本段,长度用Lz表明,这段射流的特点是空气开始与水射流相混合,构成了空穴和涡流,因而该段的打击力适中,合适各种设备及物料的清洗。应该指出的是随着该段间隔的加长,有效打击力也逐步下降。发散段,长度用L3表明,这段射流的特点是空气与水射流彻底混合,射流彻底雾化,冲击压力和射流速度都大幅度下降,在技术上此段射流已没有使用价值。
The high-pressure water jet has a huge impact force due to the direct eruption of a dense beam. Both dense jet and direct eruption are indispensable. The jet beam is symmetrically arranged in the center line of the nozzle, but diverges and disperses. The jet is generally divided into three sections. In the original section, the length of the jet is L, which shows that the dynamic pressure along the axis of the jet is almost constant, and the dynamic pressure at the top of the jet is the same as that at the outlet of the nozzle. Another characteristic is very dense texture, particles hardly mix well with air, so the striking force of this section is the strongest. It is mainly used to clean hard scales. The length of the basic section shows by Lz that the characteristics of this jet are that air begins to mix with water jet, forming cavities and eddies. Therefore, the striking force of this section is moderate and suitable for cleaning various equipment and materials. It should be pointed out that with the increase of the interval, the effective strike force gradually decreases. In divergent section, the length of L3 shows that the jet is characterized by thorough mixing of air and water, thorough atomization of the jet, dramatic decrease in impact pressure and jet velocity, and the jet in this section has no technical value.
关于水射流清洗使用,关键在于压力和流量的选择与匹配。但在射流的不同喷发间隔和分散角上,起直接效果的压力和流量是不同的,别的受喷嘴结构性能差异的影响,即便在相同的出口压力和流量条件下,动压在量的散布上也有着较大的差异。
The key to the use of water jet cleaning is the selection and matching of pressure and flow rate. However, the pressure and flow rate of the direct effect are different in different jet intervals and divergence angles. Others are affected by the difference of nozzle structure and performance. Even under the same outlet pressure and flow rate conditions, the dynamic pressure has a great difference in the volume distribution.
有了上面的小总结,希翼对广大客户有所帮助,如果有什么不理解的或者寻求帮助的请点击大家的官方网站:铝卷生产厂家或者来电咨询,大家会尽全力为您解决
With the above summary, I hope it will be helpful to our customers. If you don't understand or ask for help, please click on our official website: aluminium coil manufacturer or call for consultation. We will try our best to solve it for you.

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