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gas making,acid making,oxidation reaction),medical treatment and environmental protection.

阐述了膜法富氧在化工生产如造气、制酸、氧化反应以及在医疗保健和环保中的应用效

The present state and development of the production technique of sulphuric acid are summed up, the fundamental principle of acid making is elaborated on from the aspect of thermodynamics and dynamics in the paper and the merits and drawbacks of the double-conversion and double-absorption technology are analyzed in detail theoretically.

本文对硫酸生产技术的现状及进展进行了综述,从热力学、动力学的角度阐述了烟气制酸基本原理,从理论上较详细地分析了两转两吸制酸工艺的优缺点,结合韶关冶炼厂实际生产情况和硫酸工业在新设备、新材料等方面的进展,详尽地对两转两吸制酸工艺在低浓度冶炼烟气制酸流程上的运用进行了可行性分析;通过采取高蓄热量的球拱转化器、进口催化剂、传热系数高的新型热交换器、增设补热炉、高温吸收工艺、加强系统保温,回收SO_2风机压缩热等措施,在入转化烟气SO_2浓度低至4%的情况下,成功地实现了两转两吸工艺制酸。

Modification of converter gas acid-making system in Daye Nonferrous Metal Corporation;

大冶有色公司转炉烟气制酸系统的改造

This paper presents the modification of acid distributing device in drying and absorption tower of the acid-making system in Shaoguan Smelter.

介绍了韶关冶炼厂制酸系统干吸塔分酸装置的改造实践。

The process design, equipment level and commissioning of technical modification project for acid-making with copper converter gas from the smelter of Daye Nonfer-rous Metal Corporation are highlighted in this paper.

介绍了大冶有色金属公司冶炼厂铜转炉烟气制酸技改项目的工艺设计、装备水平,以及试车投产情况。

The article mainly introduces applications and process characterisitic of the technology that mercury-removal by chlorination in making acid in Zhuzhou smelter.

主要介绍了氯化除汞技术在锌冶炼烟气制酸中的应用情况以及生产工艺特点。

Through roasting,making acid from flue gas ,regrinding roasted tailing,extracting gold by CIP process,the cyanide tailings are well treated and no longer difficult to be sold.

采用焙烧、烟气制酸、焙砂再磨、氰化炭浆提金工艺处理金山金矿氰化尾矿 ,较好地解决了金山金矿氰化尾矿销售难问题 ,提高了矿产资源的综合利用程度 ,在保护环境的前提下 ,获得了较好的经济效益。

Compared to sulfuric acid production based on ardealite with joint production of cement,it produces no harmful impurities and 28% free water and crystal water.

阐明我国有极其丰富的石膏资源,占储量3/4的硬石膏尚未利用,提出了用硬石膏制硫酸联产水泥是解决我国硫资源不足的有效途径,并与磷石膏制硫酸联产水泥进行了比较,认为没有有害杂质和28%的游离水、结晶水,生产工艺可以简化,能源消耗低,硫酸的制造成本低于硫磺和硫铁矿制酸的。

Based on the illustration of sulfuric acid production from sulfur-burning with'3 + 1'process,the blocking reasons in start-up stage and running stage and the corresponding anti-blocking measures are discusse

在硫磺制酸生产中,易出现升华硫和油烟堵塞纤维除雾器。