Comparison and Selection of Coke Oven and Stamp-charged coke oven;
年产180万吨焦炭焦炉选型对比
Study on Influencing Factor of Thermal Strength of Coke;
焦炭热强度影响因素的研究
Analysis on Influencing Factor of Coke Reactivity Test;
焦炭反应性试验影响因素分析
The difference in NO emission between blend combustion and split combustion of char/coal;
焦炭与原煤混烧和分别燃烧时NO生成的差异性
The characteristic of NO release for the chars and volatiles of bituminous during combustion;
烟煤挥发分和焦炭分解燃烧过程中NO释放特性
The experiments on characteristics of NO reduction using pulverized coal and pyrolysis production of bituminous coal were carried out separately at different temperatures in a fixed-bed reactor,through which the NO reduction characteristics of pyrolysis gas,char,and pulverized coal were studied.
在固定床反应器中,不同温度下将烟煤煤粉及其热解产物分别对NO进行还原性实验,研究了热解气体、焦炭以及煤粉的还原作用。
Study on improving the quality of coke by making rational use of coal resources and coal;
合理利用煤源优化配煤提高焦炭质量的研究
The production costs can be reduced,and the quality of coke can be improved by full using the local coal resources and optimizing coal blending.
充分利用本地煤源 ,优化配煤 ,可以降低生产成本 ,提高焦炭质量。
Mainly presents the main quality control elements in delayed coking tower manufacturing process,such as prefabricating,constituting and welding,and presents quality control methods in practical manufacturing procedure,to guarantee the equipment quality to satisfy design and operating requirements.
主要介绍延迟焦化装置焦炭塔的预制、组对、焊接过程中主要质量控制环节,并结合实际介绍了所采取的质量控制措施,通过加强过程控制确保设备制造质量,以满足设计及使用要求。
Compared with the corrosion of four coking towers,the result shows that the serious corrosion of head or oil-gas pipes on coking towres is caused by high-temperature sulfur corrosion.
通过对4台焦炭塔腐蚀情况的对比分析,指出渣油中硫含量不断上升使得高温硫腐蚀加剧是导致焦炭塔碳钢封头或油汽总管严重腐蚀的主要原因,并提出了材料升级及管理改进建议。
Metallographic test of the specimen material taken from a deformed wall of a coking tower was performed.
对已使用14年,目前发生腰鼓变形的焦炭塔的筒体材质进行了金相检验,发现其珠光体球化达到4级,材质老化程度较大;进行了硬度、厚度、应力、温度测试和应力、最大允许操作压力的校核,确认焦炭塔在厚度和强度方面是安全的,最后判定此焦炭塔的安全等级可以评定为4级,并建议要严格控制焦炭塔的实际使用温度,定期进行现场金相检验,掌握筒体组织珠光体球化的程度,以保证设备的安全运行。