主要设备，如不锈钢转化器、火管锅炉、主鼓风机、浓硫酸泵等均为国产。
The main equipment such as stainless steel converter, fire tube boiler, main blower and concentrated acid pumps were made at home.
介绍了引进硫酸精制装置中玻璃管路密封件以及高压柱塞泵密封结构的改造。
The transformation on sealing components of glass pipeline in import sulphuric acid refine device from abroad and sealing structures of the imported high pressure plunger pump is introduced.
因此输送硫酸的泵阀通常采用高硅铸铁（铸造及加工难度大）、高合金不锈钢（20号合金）制造。
Thus transport of sulfuric acid pump usually high silicon cast iron (casting and processing is very difficult), high-alloy stainless steel (alloy No. 20) to create.
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