针对原有砖砌焦炉炉门寿命短、难修补、易散热、易粘渣等缺点，分析研究炉门内衬的损毁原因，提出改进炉门内衬结构、研制新型材质和采用整体浇注成型方法，在炉门内衬表面涂覆防粘渣剂，有效的防止炼焦过程中在炉门内衬结焦、结渣，使焦炉炉门的使用寿命提高2倍以上，且减少热量损失和降低工人劳动强度，最终实现生产安全、节能、长寿的目标。

In view of the bricking furnace door of coke oven ’s defects such as short life ,difficult to repair,easy to dissipating heat and often product glutinous ,the article analyzed the cause of destro-ying,advance a new theory about improving the structure of lining ,developing the new materials and using a new method by whole pouring .Combine the method with smearing materials on the lining ,the new method guarded against damage of the lining , let the life of the furnace door have more than tripled,reduced the loss of heat and cut down the worker ’s work load.Achieve the aim of safe production ,energy conservation and long life .

针对某难处理金精矿,采用焙烧-氰化提金工艺进行实验研究。试验得到的最佳条件为：金精矿粒度-0.043 mm 52.85%、一段焙烧温度450℃、时间1 h（炉门关闭）,二段焙烧温度700℃（炉门稍开）,焙烧时间0.5 h;初始氰化钠浓度0.5‰、L/S=4、氰化时间24 h。在此条件下硫、砷的脱除率分别为99.99%、52.56%,金的浸出率为88.92%。

Focusing on the refractory gold concentrate in northwest region, the technology of roasting-cyanidation was studied and the optimized condition was obtained. Experimentation results show that the rate of removal S、As are 99.99%、52.56% and the Au leaching rate is above 88.92% under these conditions:-0.043 mm was about 52.85%, the one stage roasting with the temperature 450℃ and 1 hour, two stages roasting with the temperature 700 ℃ and 0.5 hour. And the best cyanide-leaching parameters are initial densities of sodium cyanide is 0.5‰, the liquid-solid ratio is 4 of and time of 24 hours.

为了适应太阳能电池生产的新工艺需求,提出一种新型的软着陆闭管扩散炉系统,为扩散炉系统向智能型、精密型的方向发展进行有益的探索,并阐述了软着陆闭管扩散炉系统的结构组成和工艺原理以及技术指标,重点对扩散炉系统中送料装置软着陆单元、炉门自动封闭单元以及炉管压力平衡单元的电气控制部分进行了详细的分析,其中运用了上下位机与PLC结合的控制方式对送料装置软着陆、炉门自动封闭进行了设计,运用PID控制方式对炉膛内压力进行控制,使其达到平衡。

In order to adjust the new technically requirem ent in solar battery m anufacture, a new soft landing closed tube diffusion system should be proposed as a beneficial exploration for diffusion system to the developm ent direction of intelligence and precision. In this article, the first part explain the structure, technical principle and technical index of this system , and som e detailed analysis on electric control system of soft landing unit in loading and unloading system , tube door autom atic seal off unit and tube pressure balance unit also w ill be described. In this design, the com bination of upper com puter,low er com puter and PLC is used to controlthe softlanding loading-unloading system and tube door autom atic seal off system . In order to balance tube pressure, the pressure is controlled by PID controlsystem .

介绍了变频技术、焦炉节能型炉盖、炉门增加隔热层、干法熄焦、终冷煤气冷凝液的利用、大型室内圆形料场、管式炉蒸馏剩余氨水、脱硫液提盐技术、酚氰水处理选用高效微生物等节能减排工艺技术在宁钢焦化厂的应用效果。

This paper describes a series of new innovations as energy-saving&environmental protec-tion cases in coking plant of Ningbo Iron&Steel Co .,Ltd.,such as VVVF technology ,energy-saving type coke oven lid ,thermal insulation layer in oven door ,CDQ process ,utilization of COG condensate at final cooler,large indoor-type circular coal/coke yard,coal water distillation by tubular furnace , salt extraction from desulfurizing liquid and high-performance microbe for waste water treatment ,etc,. which have been successfully used in the plant .

引进了炉顶MN管导烟车及机侧炉门密封装置，利用高压氨水的高速喷射在桥管内形成局部负压，使装煤产生的荒煤气在负压作用下抽入集气管，进行回收利用，解决了炉头和炉顶烟气外逸的问题，具有较好的环保和经济效益。

CGT with MN pipe on oven top and sealing device of oven door on pusher side are intro -duced.Negative pressure is produced partially inside goose pipe by high-speed injection of high pres-sure ammonia liquor .Raw gas produced by coal charging is sucked to collecting main for reusing under the action of the negative pressure ,which controls fume emission from oven end and top and has better environment protection and economic benefits .