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非水定碳法测定钢铁中的碳已经普遍采用,但应用过程中常因吸收器的吸收效率低,二氧化碳吸收不完全,造成结果不稳定和偏低的现象,特别是测定高碳钢和生铸铁等。为此我们重新设计了吸收器(见图),使用效果很好。这种吸收器允许通过的气流大,吸收效率高,还能很好配合电弧燃烧炉定碳的使用。几点说明 (1) 采用砂芯,其作用是将气体分散成无数细小的气泡。因而吸收效率很高,允许通过的气流也随着增大。砂芯孔径太小,经常被混合气体中的粉末堵塞,以二号砂芯的孔径正好(100～200微米)。 (2) 吸收管的内直径太小,上下溶液对流慢,直径太大,将使容量增大而导致吸收器灵敏度降低,并且
Non-hydrostatic carbon determination of carbon in steel has been widely used, but the application process often due to low absorption efficiency of the absorber, incomplete absorption of carbon dioxide, resulting in unstable and low results, especially the determination of high-carbon steel and cast iron Wait. To this end we have redesigned the absorber (see photo), the use of good results. This absorber allows large air flow through, high absorption efficiency, but also well with the arc furnace set carbon use. A few notes (1) The sand core, its role is to disperse the gas into countless small bubbles. As a result, the absorption efficiency is high, and the air flow allowed to pass through increases. Core diameter is too small, often mixed gas powder blockage, to No. 2 sand core diameter exactly (100 ~ 200 microns). (2) the inner diameter of the absorber tube is too small, the upper and lower solution convection slow, the diameter is too large, will increase the capacity resulting in lower absorber sensitivity, and