The structure and structure parameters of the combined valve were designed according to the function claim to the combined valve of the circulate mode sandspraying device.
根据循环式喷砂设备对组合阀的功能要求， 介绍了组合阀的结构和结构参数设计。
2
According to the aluminum surface treatments can be divided into: ordinary spray, sand oxidation of alkali, alkali sandspraying, light wire drawing, champagne drawing, wood, electrophoresis.
根据铝材的表面处理可以分为：普通喷涂、碱砂氧化、碱砂喷涂、亮光拉丝、香槟拉丝、木纹、电泳。 。
3
A burst accident of a sand tank, which was used for removing rust by means of spraying on an oil tank, was analyzed, and the prevention countermeasure was provided.