近年來，我國經濟快速發展，航空航天、裝飾材料及飲料等行業對鋁帶、鋁箔的需求不斷增加，給PS基材、鋁塑帶、罐頭材料等高精度鋁板帶材帶來了快速的發展。這些產品平面度、清潔度要求非常嚴格,和高精度鋁條通常是用于整個油冷卻和潤滑軋制、表面的大量軋制油和鋁粉,為了獲得良好的表面質量,必須清洗去除表面殘留。除了平面度要求鋁帶和高拉伸彎曲矯直,拉伸彎曲矯直帶材在二級和彎曲的作用下,逐漸產生塑料薄膜釋放內應力,改善板帶鋼生產在寒冷的工作波形,翹曲,橫向彎曲,和潛在板形不良等缺陷,考慮矯直過程中,必須進行表面清洗。
　　In recent years, China's rapid economic development, aerospace, decorative materials and beverages and other industries on the increasing demand for aluminum strip, aluminum foil, PS substrate, aluminum plastic tape, canned materials and other high-precision aluminum sheet and strip has brought rapid development. These products require very strict flatness and cleanliness, and high-precision aluminium bars are usually used for oil cooling and lubrication rolling, a large number of rolling oils and aluminium powder on the surface. In order to obtain good surface quality, it is necessary to clean and remove surface residues. In addition to flatness requirements for aluminum strip and high-tension bending straightening, tension-bending straightening strip gradually produces plastic film ZhongBing releasing internal stress under the effect of secondary and bending, and improves the defects of cold working waveform, warpage, transverse bending, and potential bad shape of strip steel. Considering the straightening process, surface must be carried out first. Clean.

　　Do you know the cleaning principle and theory of aluminium strip? - Aluminum sheet manufacturer: http://m.jietu-edu.com
　　鋁帶清洗原理與理論
　　Principle and Theory of Aluminum Strip Cleaning

　　在冷軋過程中,由于輥之間的摩擦和軋制鋁板的表面,表面會產生細氧化鋁粉末吸附,軋制油和懸浮組件仍將在鋁板的表面,這將影響復合、涂層和其他成品加工。矯直時,由于暴力彎曲變形的帶輥、張力應用于帶的一部分轉化為帶鋼在張力輥的壓力,較后,摩擦力驅動輥形成集。因此,如果帶的表面不清潔,氧化鋁粉末脫落變形期間,x將附著在表面的張力輥和油脂,造成滾筒表面磨損，對鋁板有輕微損傷。因此，它必須通過一個特殊的清洗設備清洗。清洗是用壓力泵增壓清洗介質,非接觸式噴淋洗滌或接觸表面刷地帶,所以鋁粉表面的石油放蕩和脫落進入清洗介質,然后通過擠壓輥擠壓和高壓空氣吹,即使高溫空氣干燥,為了獲得清潔和干燥的鋁條。同時，通過清洗介質和在線循環過濾系統的不斷補充，使清洗介質保持足夠的清潔，大大節約了熱能和清洗介質。目前，鋁加工行業常用的清洗介質是清洗劑(或溶劑油)、軟化熱水、化學溶劑，各有優缺點。
　　In the cold rolling process, fine alumina powder adsorbed on the surface of rolls and rolled aluminium sheet will be produced, and the rolling oil and suspension components will remain on the surface of aluminium sheet, which will affect the processing of composite, coating and other finished products. In straightening, the tension applied to a part of the strip is transformed into the pressure of the strip on the tension roll due to the violent bending deformation. Finally, the friction driving rolls form a set. Therefore, if the surface of the strip is not clean, during the alumina powder shedding deformation, x will adhere to the surface tension roll and grease, resulting in surface wear of the drum and slight damage to the aluminium plate. Therefore, it must be cleaned by a special cleaning equipment. Cleaning is a pressure pump pressurized cleaning medium, non-contact spray washing or contact surface brushing zone, so the oil on the surface of aluminium powder dissolves and falls off into the cleaning medium, and then through extrusion roll extrusion and high-pressure air blowing, even if high-temperature air drying, in order to obtain clean and dry aluminium bars. At the same time, through the continuous supplement of cleaning medium and online circulating filtration system, the cleaning medium can be kept clean enough, and the heat energy and cleaning medium can be saved greatly. At present, the commonly used cleaning media in aluminium processing industry are cleaning agent (or solvent oil), softening hot water and chemical solvent, each of which has its advantages and disadvantages.
　　下面采用高壓水射流技術對清洗系統進行闡述。
　　Next, the high pressure water jet technology is used to describe the cleaning system.
　　高壓水射流的射流距離是由密集射流束的直接噴射產生的，產生巨大的沖擊力。射流束與噴嘴中心線對稱布置，但存在發散，射流一般分為三段。原始截面的長度用l表示。射流這一截面的特點是沿軸向的動壓力值幾乎是恒定的，射流尖端的動壓力與噴嘴出口的動壓力相同。另一個特點是非常密集的質地、質量與空氣混合,這較強的力量,它主要用于清潔硬垢,基本部分,長度和樓主說,飛機的特點是與水射流混合空氣開始,孔和渦流,這力量是溫和,適合各種清洗設備和材料。需要指出的是，隨著距離的增加，有效打擊力也逐漸減小。散度段的長度用L3表示，其特征是氣水射流完全混合，射流完全霧化，沖擊壓力和射流速度顯著下降。從技術上講，jet的這一部分沒有應用價值。水射流清洗的應用，關鍵在于壓力和流量的選擇與匹配。然而，在不同的射流距離和擴散角下，直接起作用的壓力和流量是不同的。
　　The jet distance of high pressure water jet is produced by direct injection of dense jet beam, which produces huge impact force. The jet beam is symmetrically arranged with the central line of the nozzle, but divergence exists. The jet is generally divided into three sections. The length of the original section is expressed in L. The characteristic of the jet section is that the dynamic pressure along the axis is almost constant, and the dynamic pressure at the jet tip is the same as that at the nozzle exit. Another feature is very dense texture, mass and air mixing, which is the strongest force. It is mainly used to clean hard dirt, basic parts, length and building owner said that the aircraft is characterized by mixing air with water jet, holes and eddies, which is mild, suitable for various cleaning equipment and materials. It should be pointed out that with the increase of distance, the effective hitting force also decreases gradually. The length of divergence section is expressed by L3, which is characterized by complete mixing of air-water jet, complete atomization of jet, and significant decrease of impact pressure and jet velocity. Technically, this part of Jet has no application value. The key to the application of water jet cleaning lies in the selection and matching of pressure and flow rate. However, under different jet distances and diffusion angles, the pressure and flow rate acting directly are different.
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