通过改变倒槽过程的工作方法,实现了在磷化倒槽过程中磷化液和磷化渣的“零”排放,减少了此过程中危废品的产生。相比传统方法,该方法不仅节约了原材料,而且明显降低了废水废渣处理成本,还具有良好的经济效益和社会效益。 By changing the working method of the inverted trough process, the “zero” discharge of the phosphating solution and the phosphatized slag during the phosphating trough-down process is reduced, thereby reducing the generation of hazardous waste during the process. Compared with the traditional method, the method not only saves raw materials, but also obviously reduces the processing cost of the waste water waste, and also has good economic and social benefits.