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        德成鋁業

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        高壓水清洗在鋁板帶主要的作用有哪些?

        來源:http://www.kongyh.com

        高壓清洗機在鋁板帶清洗設備上的應用近年來隨著我國國民經濟的高速發展,航空航天、家用電器、裝飾材料及飲料行業等對鋁帶、箔的需求越來越大,帶來了PS基材、鋁塑帶、電容器箔、制罐料等高精度鋁板帶材的快速發展。這些產品對平直度、潔凈度要求非常嚴格,而高精度鋁帶材通常是采用全油冷卻潤滑軋制的,其表面殘留大量的軋制油和鋁粉,因此要獲得良好的表面質量,必須清洗去掉其表面殘留物。另外對于板形要求較高鋁帶材還要進行拉彎矯直,拉彎矯直使帶材在拉仲和彎曲的作用下,逐步產生塑性延仲并釋放板材內應力,以改善板帶材在冷加工時產生的波形、翹曲、側彎和潛在的板形不良等缺陷,從矯直工藝考慮,首先必須對帶材表面進行清洗。
        With the rapid development of China's national economy in recent years, the application of high pressure cleaning machine to aluminum strip cleaning equipment has developed rapidly. The demand for aluminum strip and foil is becoming more and more important in aerospace, household appliances, decorative materials and beverage industry. It has brought the rapid development of high precision aluminum strip such as PS base material, aluminum plastic belt, capacitor foil and tank material. These products are very strict for flatness and cleanliness, and high precision aluminum strip is usually rolled by full oil cooling, and its surface remains a large amount of rolled oil and aluminum powder. Therefore, to get good surface quality, it must be cleaned to remove the surface residue. In addition, it is necessary to straighten the strip with higher requirements and make the strip straighten and straighten and straighten the strip under the action of pulling and bending, and gradually producing the plastic extension and releasing the internal stress of the plate, so as to improve the wave, warpage, side bending and the potential bad shape of the plate in cold processing. First, the surface of the strip must be cleaned.
        高壓水射流的噴射距離高壓水射流是靠密實的流束直接噴射而產生巨大的打擊力,密實射流和直接噴射二者缺一不可。射流流束以噴嘴中心線呈對稱布置,而是發散分布,射流一般分為三段。原始段,長度用L,表示,這段射流的特點是沿軸向的動壓力值兒乎是常數,射流尖端的動壓和噴嘴出口的動壓是相同的。
        The high pressure water jet of high pressure water jet is directly ejected by the dense flow beam, and the dense jets and direct jet two are indispensable. The jet flow is symmetrical in the center line of the nozzle, but diverges and distributes. The jet is generally divided into three segments. The original section, with the length of L, indicates that the jet is characterized by constant axial dynamic pressure, and the dynamic pressure of the jet tip is the same as the dynamic pressure of the nozzle exit.

        鋁板生產廠家
        另一特點質地非常密實,質點兒乎不和空氣相混和,因此該段的打擊力較強,主要用于清洗堅硬的結垢物,基本段,長度用Lz表示,這段射流的特點是空氣開始與水射流相混合,形成了空穴和渦流,因此該段的打擊力適中,適合各種設備及物料的清洗。
        The other feature is very dense, and the particle is not mixed with air, so it has the strongest strike force. It is mainly used to clean hard dirt, the basic section, and the length is Lz. The jet is characterized by the air starting to mix with the water jet, forming holes and vortices, so the strike force is moderate and suitable for the section. Cleaning of all kinds of equipment and materials.
        應該指出的是隨著該段距離的加長,有效打擊力也逐漸下降。發散段,長度用L3表示,這段射流的特點是空氣與水射流完全混合,射流完全霧化,沖擊壓力和射流速度都大幅度下降,在技術上此段射流已沒有應用價值。對于水射流清洗應用,關鍵在于壓力和流量的選擇與匹配。但在射流的不同噴射距離和擴散角上,起直接作用的壓力和流量是不同的,另外受噴嘴結構性能差異的影響,即便在同樣的出口壓力和流量條件下,動壓在量的分布上也有著較大的差異??梢?,噴嘴的選用是不容忽視的關鍵環節。此外,射流斷面形狀與流量分布也是影響清洗效果的重要因素。
        It should be noted that with the lengthening of the distance, the effective strike force will also gradually decline. The length of the divergent section is expressed in L3. The jet is characterized by a complete mixture of air and water jet. The jet is completely atomized and the impact pressure and the jet velocity are greatly reduced. The jet has no application value in technology. The key to the application of water jet cleaning is the selection and matching of pressure and flow. But in the different jet distance and diffusion angle of the jet, the pressure and flow of direct action are different. In addition, influenced by the difference of the structure and performance of the nozzle, even under the same outlet pressure and flow condition, the distribution of dynamic pressure varies greatly. It can be seen that the selection of nozzles is a key link that can not be ignored. In addition, the shape and discharge distribution of the jet section are also important factors affecting the cleaning effect.

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