The air drying and final absorption towers are installed in series as an integral and share a circulation acid tank and pump with intermediate absorption tower.
干燥塔、二吸塔串接共塔，且与一吸塔共用循环槽、循环泵，即干燥塔的下塔酸直接引入二吸塔。
In petrochemical production, such methods as air compressing, pump circulation, mechanical blending and pipeline mixing are usually used in product mixing.
石油化工生产中常用的油品调合方法有压缩空气、泵循环、机械搅拌和管道调合。
TQGD series vertical low rotation speed centrifugal pump is applicable for occasions with low requirements for environment noise, air-conditioning circulation, etc.
TQGD系列立式低转速离心泵，试压泵适用于环境噪声要求很低的场合及空调循环等。
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