IMPROVEMENT IN QUALITY OF INSTRUMENT AIR.

被引：0
|
作者：
Karia, V.K.
机构：
来源：
Chemical Engineering World | 1986年 / 21卷 / 04期
关键词：
DRYING; -; DUST; Removal; INSTRUMENTS; Applications;
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学科分类号：
摘要：
M/s. Gujarat Narmada Valley Fertilisers Company Limited (GNFC), owning World's Largest Single Stream Ammonia & Urea Plants, was facing the problem of poor value of dew point and presence of dust in instrument air. GNFC took a number of measures like changing dessicants, using SS tubes in intercoolers, using special non-lubricated type valves, providing flow measuring devices, micro-filters etc. As a result, quality of instrument air has now improved considerably. Value of dew point is now minus 40 degree C and for the last two years, dust is not found in IA headers.
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页码：71 / 74
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