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Xiamen High Tech Co., Ltd.

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Introduction

;. High grade heat energy is the best way to generate electricity, can greatly reduce the cost of production. Raw material for sulfuric acid can be sulfur, pyrite and smelter smelting gas, in the raw material for the preparation of SO2 gas has high temperature heat, gas temperature of 850 to 1100 DEG C. According to the production experience, this part of the high temperature heat can produce 1.1 ~ 1.3 tons of steam / ton of sulfuric acid. In the conversion section, mainly in the waste heat. The conversion gas temperature of the absorption tower is about 400. The use of the waste heat, according to production practice estimates, for every ton of sulfuric acid can produce 0.2 tons of steam. In the two transformation process, this part is transferred to the low temperature waste heat of acid absorption system. Recovery and utilization of low temperature waste heat in dry absorption system. When the high temperature absorption process is used, the temperature of the intermediate absorption tower can be raised to 165, and the acid temperature can reach 200. This part of the low temperature waste heat can be used to generate electricity. The air flow per hour is 111000m3, the temperature is 194, which can produce 185 tons of steam 29.7 tons of steam for 9000KW. /> A, boiling roasting furnace boiling layer of waste heat recovery in sulphuric acid production in boiling bed in the boiling temperature of the layer control in general between 800 to 900 DEG C. Pyrite combustion is a strong exothermic reaction, in order to maintain the temperature must take the excess heat from the bed plate. According to the heat balance calculation, the amount of heat produced from 1 tons per ton of sulfuric acid (100% concentration) is 1.482MJ. Convert this heat into standard steam of about 0.55 tons / ton H2SO4. An annual output of 100000 tons of sulfuric acid plant from the boiling furnace to recover the amount of steam is about 55000 tons / year. < br / > boiling roasting furnace slag waste heat recovery at present domestic sulphuric acid industry processing slag discharged by a baking furnace with most of a rotary drum water for cooling. This not only lost the slag of the waste heat, but also the additional loss of water, electricity. According to the material balance calculation, per ton of sulfuric acid, corresponding to the amount of slag is 0.286 tons (ore sulfur content 40%). The slag temperature is 800, and it is sent away from the conveyor at 80 degrees. The effective heat of the 1.98 x H2SO4 (105kJ/t), an annual output of 100000 tons of sulfuric acid plant, its recovery of 1.02t steam /h. Three, SO2 furnace gas waste heat recovery from the boiling furnace out of the high temperature furnace gas temperature of about 850 ~ 750, if the temperature to 350 ~ 450, then every 1 tons of sulfuric acid can be produced from the furnace gas

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Contact：	The Mr.
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Addr：	Fujian City, Xiamen Chinese Wuyuan Huli District of Xiamen Bay waterway No. 617 Si Bao extension building 18 unit 05

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