A CASE STUDY FOR THERMAL TREATMENT OF HYDROCARBON/ INORGANIC AQUEOUS WASTE WITH ENERGY RECOVERY AND DRY FINAL EFFLUENT

机译：烃类/无机含水废物热处理与能量回收和干最终流出物的案例研究

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This paper describes the incineration technology used to safely destroy the gaseous waste and liquid containing inorganic salts generated by a speciality chemicals and pharmaceuticals company in China. The plant was designed to treat wastes containing carbon, hydrogen, sulphur and phosphorus containing compounds with up to 10 %wt of sodium salts. Incineration of these wastes results in acid gases, molten sodium salts and sublimed phosphorus compounds. The presence of these compounds in flue gases requires special attention to incineration temperatures, design and selection of energy recovery unit, and materials of construction, but also the operation of downstream air pollution control system. The plant supplied composed of a downfired thermal oxidiser unit for the destruction of wastes and the complete oxidation of the products of combustion. Part of the hot gas from the chamber including the molten salts enters an integral quench unit; but the rest of the gas passes through a conditioning chamber to solidify the salts prior to entering the downstream waste heat boiler unit. On leaving the boiler the flue gas enters a quenching tower for further cooling/conditioning and then a bag filter unit. Here the SOX and salts are removed and finally the clean gas is discharged to atmosphere. The plant was started up in 2001 and is operating today meeting its key design objectives for the destruction of the waste with guaranteed steam production/availability and at the same time ensuring that the final gaseous emissions are within the limits set by the local authority with zero liquid effluent discharge.

机译：本文介绍了用于安全地破坏含有中国特种化学品和药品公司产生的气体废物和含有无机盐的气态废物和液体的焚烧技术。该植物旨在处理含有碳，氢，硫和磷的含量，所述含碳，含有高达10％wt的钠盐。这些废物的焚烧导致酸性气体，熔融钠盐和升华磷化合物。烟道气中这些化合物的存在需要特别注意焚烧温度，设计和选择能量回收单元和建筑材料，也是下游空气污染控制系统的操作。供应的植物由次流的热氧化机组组成，用于破坏废物和燃烧产物的完全氧化。包括熔盐的腔室的一部分热气体进入整体骤冷装置;但是，其余的气体通过调节室以在进入下游废热锅炉单元之前固化盐。在离开锅炉时，烟道气进入淬火塔以进一步冷却/调节，然后是袋式过滤器单元。在这里，将SOX和盐除去，最后将清洁气体排放到大气中。该工厂于2001年启动，今天正在履行其具有保证蒸汽生产/可用性的垃圾破坏废物的关键设计目标，同时确保最终的气态排放在当地权力设定的限制范围内为零液体流出物放电。

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《Annual international conference on incineration and thermal treatment technologies》|2003年||共10页
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中图分类固体废物的处理与利用;
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A CASE STUDY FOR THERMAL TREATMENT OF HYDROCARBON/ INORGANIC AQUEOUS WASTE WITH ENERGY RECOVERY AND DRY FINAL EFFLUENT

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