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炼油工业中,常用高温高压条件使重油中的硫与氢相反应生成硫化氢以达到脱硫的目的。故要求压力容器能耐高温、高压、耐氢及硫化物腐蚀。本文以炼油工业使用的反应器为代表,介绍其概况、焊接施工现状及采用的焊接材料。 1.反应器概况 操作条件一般为:温度250～450℃,压力50～200公斤力/厘米~2。为了增加高温下的耐蚀性(耐氧化性),
Refining industry, the commonly used conditions of high temperature and pressure so that the heavy oil in the reaction of hydrogen and hydrogen to generate hydrogen sulfide in order to achieve the purpose of desulfurization. It requires pressure vessels can withstand high temperature, high pressure, hydrogen and sulfide corrosion. This article takes the reactor used in the oil refining industry as the representative, introduces the general situation, the status of welding construction and the welding materials used. 1. Overview of the reactor Operating conditions are generally: temperature 250 ~ 450 ℃, pressure 50 ~ 200 kg force / cm ~ 2. In order to increase the corrosion resistance (oxidation resistance) at a high temperature,