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主要阐述采用气室型塔板元件对尿素合成塔进行技术改造的依据,以及该技术的应用实例,并提出了“SHS”工艺改造的方法。
Mainly introduces the basis of technical transformation of urea synthesis column by gas-tray element, and the application example of the technology, and puts forward the method of “SHS” technological transformation.