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最近,我们配合石化厅对全省小化肥企业安全生产现状进行抽查,发现小化肥企业在压力容器安全管理方面问题不少,特别是压力容器的自制自用问题比较突出。例如,宁海化肥厂共有压力容器80名,其中自制的容器有39名,占全部容器的49%,这些容器,己发现严重缺陷非更换不可的就有13台。其中有一台原料冷却塔。原设计壁厚为8毫米,1987年11月测厚,局部只有1.4~1.8毫米。39台容器中有20台容器无制造原始资料,使用以后从未检
Recently, we cooperated with the Petrochemical Office to spot check the status quo of the safe production of small fertilizer enterprises in the whole province. We found that there are many problems in the safe management of pressure vessels by small chemical fertilizers enterprises, especially the self-use problems of pressure vessels. For example, Ninghai Fertilizer Plant has a total of 80 pressure vessels, of which 39 are self-made vessels, accounting for 49% of all vessels. In these vessels, 13 have been found to have serious defects that are not replaced. There is a raw material cooling tower. The original design wall thickness of 8 mm, measured in November 1987 thickness, only 1.4 ~ 1.8 mm locally. Twenty-nine of the 39 containers have no raw materials for their manufacture and have never been tested after use