低温绝热压力容器液面高度测量

:20040312:(1949),(),,,:10007466(2004)04007302,,(,213016):介绍了差压式液面计在低温绝热压力容器中的应用原理对出现液面指示值误差较大的情况进行了分析,并提出了解决措施:;;:TQ051.3;TB65:B,,,1,,1.2.3.4.5.6.7.111,,,,,,2H,,,,,,,3,,2(1),,(2)12,,1.5mm,133420047PETROCHEMICALEQUIPMENTVol33No4July2004:20040212:(1965),,,,,:10007466(2004)0400740230%NaOH(,257061):对用于30%NaOH溶液冷却和预热的板式换热器的失效进行了分析,并提出了改进措施经改进延长了设备的使用寿命:;;:TQ051.509:B,,,30%()NaOH,316BR03B1.010E(1),0.8mmAB2,1,ABA1999,B2001,30%~32%NaOH,89~90,40~50m3/h()80m3/h(),0.0028%130%NaOH2,21.5mm21.5mm10~20mm1.5mm,,,,1,4,,()33420047PETROCHEMICALEQUIPMENTVol33No4July2004