一、前言为了防止钢铁设备的腐蚀,延长其使用寿命,必须经过各种表面防腐处理。而在作防腐处理之前,又必须把钢铁件上的铁锈去除干净,而除锈工作,则是一种十分麻烦和繁重的劳动。对于机械、电工及船舶等部门的中、小型钢铁件最常用的除锈方法之一,是把钢铁件放在盐酸或硫酸溶液中进行酸洗除锈,这方法虽然沿用已久,但弊病很多,主要有:除锈时散发出来的有害气体及酸雾严重污染 First, foreword In order to prevent the corrosion of steel equipment, extend its service life, must go through a variety of surface anti-corrosion treatment. Before the anticorrosive treatment, rust on the steel parts must be removed cleanly, and the derusting work is a very troublesome and laborious task. For machinery, electrical and marine and other departments of small and medium steel parts of the most commonly used method of rust is to pieces of steel on hydrochloric acid or sulfuric acid solution for pickling rust, although this method has long been used, but the drawbacks of many , There are: rust emitted when the harmful gases and acid fog serious pollution