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GAS TURBINE TOPPING DEVICE IN A SYSTEM FOR MANUFACTURING SULFURIC ACID AND METHOD OF USING TURBINE TO RECOVER ENERGY IN MANUFACTURE OF SULPHURIC ACID
GAS TURBINE TOPPING DEVICE IN A SYSTEM FOR MANUFACTURING SULFURIC ACID AND METHOD OF USING TURBINE TO RECOVER ENERGY IN MANUFACTURE OF SULPHURIC ACID
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机译：用于制造硫酸的系统中的燃气轮机顶头装置以及在制造硫酸中利用涡轮机回收能量的方法
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摘要
A gas turbine topping device, which is disposed upstream of a steam-raising section, is used for generating power in the manufacture of sulphuric acid. A sulfur- burning combustor generates hot sulfur dioxide while a pressure-exchanging ejector mixes the hot combustion gases with a cooler gas (e.g. pressurized air, pressurized N2 or recycled sulfur dioxide (SO2) to form a mixed working gas having a temperature below the maximum allowable temperature (metallurgical limit) of the blades of the turbine. The turbine drives an oxygen compressor which supplies oxygen to a bubbling chamber which also receives S8 to produce sulfur vapor for combustion. By using stoichiometric quantities, sulfur dioxide is delivered in requisite quantities to a sulfuric acid plant without any harmful emissions. Useful amounts of electrical power can thus be generated by the gas turbine topping device as well as the downstream steam turbine by harnessing the enormous amount of waste heat involved in the manufacture of sulfuric acid.
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