济钢干熄焦系统热平衡计算

根据济钢干熄焦系统的实际运行参数,对干熄焦装置进行了热平衡计算,得出并验证了干熄焦装置的热平衡方程。经计算可知,整套干熄焦装置的热效率达81.7%,为干熄焦技术的发展提供了依据。     

干熄焦装入装置外置限位设计与实践应用

设计干熄焦装入装置外置限位检测机构,克服内置限位检测机构不足与缺陷,确保干熄焦装入装置运行平稳顺畅。     

干熄焦装置对环保影响的评述

介绍了干熄焦生产过程中产生的污染物及干熄焦系统的除尘措施。从生产运行情况看,干熄焦装置环保节能效果明显。     

新型浇注料内衬干熄焦罐应用实践

分析了干熄焦罐球墨铸铁内衬易脱落、热损失大，造成干熄焦系统稳定系差、存在安全环保隐患等问题的原因，开展了新型浇注料内衬干熄焦罐应用实践。通过采用熄焦车防碰撞技术，采取红焦焦车避雨等措施，焦罐内衬使用寿命大幅度延长，实现了干熄焦罐日常零维护，节约成本约30万元/a，运行率大幅提升，促进了干熄焦系统的稳定运行。     

济钢干法熄焦节能示范工程

介绍了济钢干熄焦节能示范工程的工程概况。该工程投入运行后,每年可回收余热蒸汽４７万ｔ;发电３９２０万ｋＷ·ｈ,另外还可减少熄焦费用,节约焦炭、提高一级品率,共计获纯效益５５４０．４万元／ａ。济钢干熄焦工程的建成投产,对改变我国焦化厂污染严重及能源浪费状况有着重大意义。     

延长干熄焦装置连续运行时间的探讨

 以延长包钢干熄焦装置连续运行时间的研究为目标,重点分析研究影响干熄焦装置使用寿命的主观因素和客观因素,抓住矛盾的突出点,通过引用新材料、对关键设备进行改造以及优化工艺方案等措施,使包钢干熄焦装置检修周期达到1.5年以上,为包钢干熄焦装置在今后安全平稳的生产、运行,提供宝贵的管理和操作经验。     

干熄焦生产常见问题浅析

酒钢1#、2#焦炉年处理红焦能力为90万t,配套干熄焦炉装置110 t/h一套,配套建设余热锅炉系统1套和15 MW汽轮发电机组1套,于2015年1月正式投产后,在运行过程中出现了一些制约正常生产的因素,给干熄焦的生产造成了较大的影响;通过对生产过程中操作方法的改进,及一些数据的调整,来弥补出现的问题,实现干熄焦系统连续、稳定的运行。     

鞍钢干熄焦工艺存在的问题及改进措施

介绍了鞍钢干熄焦工艺,并对干熄焦生产过程中存在的问题进行了分析,提出了相应的改进措施,改进后干熄焦装置稳定运行。同时,对鞍钢未来干熄焦系统将面临或可改进的技术问题提出了合理建议。     

干熄焦自动控制系统的开发与应用

新兴铸管公司焦化厂干熄焦炉自动化系统实现了机车牵引装置、焦罐车自动定位、焦罐提升及走行、装入装置、冷焦排焦、预存室预存量和料位、循环风机和汽包液位等方面的自动控制。该系统被应用后,干熄焦生产运行稳定,提高了干熄焦的产量和品质。     

干熄焦的工艺技术与系统安全

介绍了干熄焦的工艺流程及红焦的冷却机理。分析了干熄焦工艺过程中的危险因素及相应的安全设施。要充分利用干熄焦的节能、环保、提高焦炭质量的优点,就必须对干熄焦系统的安全工作给予高度重视,必须加强系统的检查与维护,强化干熄焦主体设备的工艺与安全管理,严格执行干熄焦的工艺规程和安全规定,保证装置的安全稳定运行。     

转炉炉壳热应力分析

根据实际转炉建立实体模型。以有限元为手段,考虑了炉衬和炉壳材料的物性参数随温度变化的特点和炉衬与炉壳之间膨胀间隙,计算了转炉炉壳在温度载荷和炉衬膨胀压力同时作用下的热应力。所得结果可为转炉炉壳设计提供依据。     

焦炭热性能指标意义浅析

通过对焦炭在高炉内的历程及其变化规律的剖析,阐述焦炭热性能指标的意义,形象地把焦炭在高炉内的损耗分为三部分(M1,M2,M3)。指出M2对焦比及焦炭价格有一定的指导作用。     

Results of treatment of cancer of the cardia

Cancer of the cardia is traditionally discussed with cardiac cancer of the lower portion of the esophagus and upper gastric cancer invading the esophagus, and the specific characteristics of cancer of the cardia have never been clearly defined. We reviewed the outcome of 172 patients with adenocarcinoma of the cardia who had undergone radical surgery between 1949 and 1994 in the Division of Gastrointestinal Surgery of the Cancer Institute Hospital. The centers of the tumors were located within 2 cm above and below the boundary between the esophagus and the stomach, and their longitudinal diameter was less than 8 cm. We divided the patients into an early period (1949-1979; n = 79) and a late period (1980-1994; n = 93), and focused on the historical transition. There were no differences in patient gender or histology between the two periods. However, the late period was associated with fewer cases of esophageal invasion and shorter longitudinal diameter, as the age of the population advanced. The number of advanced cancers such as the localized and infiltrative type had decreased, and early cancer and early clinical stage had become more common, but despite the fact that the number of early cancers had increased, extended dissection, such as thoracic and paraaortic lymph node dissection, was performed more frequently. By clinical stage, the long-term outcome markedly improved in Stage I patient in the late period, and tended to improve in Stage II and III patients. This appears to have been attributable to the prevention of micrometastasis by extended dissection, although the number of early cancers is another major potential cause. There were no differences in the outcome of Stage IV patients between the two periods, and further advances in multimodality therapy must be awaited. The range of resection is basically proximal gastrectomy, and if there are adequate indications, the prognosis is favorable. In view of the status of lymphatic flow and lymph node metastasis, and long-term results, lateroaortic lymph node dissection is important. Since the number of early cancer patients has been increasing, if intraabdominal recurrence is prevented, intrathoracic lymph node dissection will contribute greatly to the outcome of such patients.     

The effect of amount of possession of the trait of hostility on accuracy of perception of hostility in others.

Some theories of personality hold that an individual's perception of others is influenced by his own personality characteristics; more specifically, that a trait of low social value will be projected more into others, and that insight into the possession of these characteristics reduces this distortion. These 2 hypotheses were tested by having a group of college students rate each other (including themselves) on degree of friendliness or hostility. Agreement with group rating about self yielded the insight score. In general, the hypotheses were supported; the "friendly" Ss were most accurate in their perception of others, and insight was positively associated with accurate perception. From Psyc Abstracts 36:04:4HL16M. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Effect of antibiotics of chemotaxis of human leukocytes

The effect of 20 different antibiotics on chemotaxis by human neutrophils was studied. Human leukocytes incubated with chloramphenicol, rifampin, sodium fusidate, and tetracyclines in vitro showed markedly depressed migration. The mechanisms by which these antibiotics affect leukotaxis are discussed.     

Quality of life of relatives of mental patients

Usage of quality of life of psychiatric patients' relatives as the parameter of estimation of the quality of psychiatric care is considered. By means of standard questionnaire elaborated by the authors as well as by means of both individual and group conversations the quality of life was analyzed in 40 relatives which lived together with psychiatric patients. Different spheres of their life and difficulties (financial, social-psychologic, production) were examined in families with such patients. The defects of psychiatric care that had direct influence on the quality of life of the psychiatric patients' relatives are outlined.