目前我国大、中型冷库都采用强制供氨循环吸热工艺流程,对供氨泵的出轴多采用填料密封来防止泄漏。但经过长期高速运转,填料极易磨损漏气,危害操作工人的健康。 为了解决这个问题,我厂技术人员和工人一起,刻苦钻研,破重重难关,设计试制成功BAB—I型屏蔽离心氨泵。这种泵是与电 At present, China’s large and medium-sized cold storage are forced to use ammonia cycle heat absorption process, the pump for the ammonia pump to use more packing to prevent leakage. However, after long-term high-speed operation, the packing is easily worn and leaks, endangering the health of workers. In order to solve this problem, I plant technical staff and workers together, study hard, heavy grave difficulties, design and trial success BAB-I-type centrifugal shield centrifugal pump. This pump is with electricity