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一、一般情况: 兴平化肥厂主要包括国内自行设计制造的精制装置(低温变换和甲烷化)合成装置,硝酸硝铵装置以及锅炉和意大利进口的油汽化工艺装置(重油汽化、中温变换,砷碱液脱二氧化碳和脱流以及三台压缩机)设备。在原设计中,由国外进口的设备上安装的仪表全部是电动单元仪表,国内设计的设备所用仪表,除个别为电动单元仪表外,其余全为气动仪表。全厂检测系统共337套,调节系统共117套,在调节系统中电动调节系统共61套,气动调节系统共
First, the general situation: Xingping Fertilizer Plant, including domestic self-designed refined device (low temperature shift and methanation) synthesis unit, ammonium nitrate nitrate plant and the boiler and Italy imported oil vaporization process equipment (heavy oil vaporization, temperature transformation, arsenic Lye decarbonation and off-flow and three compressors) equipment. In the original design, all the instruments installed on the equipment imported from abroad are all electric unit meters. The instruments used in the domestic design are all pneumatic instruments, except for individual electric unit meters. A total of 337 factory inspection system, a total of 117 sets of regulation system, a total of 61 sets of electric control system in the regulation system, a total of pneumatic control system