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发明名称
测量液体界位的微差压取压方法
摘要
一种测量容器中两种不同液体界面位置的微差压取压方法,特点是用一高度等于界位差的“L”形管直立于被取压容器内,下端置于下限界位处;差压变送器的正、负压两侧分别接两导压管,其中一导压管的另一端口在下限界位处于“L”形管的下端口连接,另一导压管的另一端口从下限界位处接入容器。采用本发明的微差压取压方法,变送器产生的差压不受外界温度影响,测量精度高,设备简单,安装方便。
申请公布号
CN1198527A
申请公布日期
1998.11.11
申请号
CN97111748.9
申请日期
1997.05.07
申请人
苏正复
发明人
苏正复
分类号
G01F23/14
主分类号
G01F23/14
代理机构
代理人
主权项
1.一种测量容器中两种不同液体界面位置的微差压取压方法,包括正、负导压管分别从上、下限界位处引出,分别接至差压变送器的正、负压两侧,其特征在于用一高度等于上、下限界位差的“L”形管9直立于被取压容器4内,下端置于下限界位B处;差压变送器8的正、负压两侧分别接导压管10、7,导压管10的另一端口在下限界位处与“L”形管9的下端口连接,导压管7的另一端口从下限界位B处接入容器。
地址
061000河北省中国石化沧州炼油厂设计所
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