三级冷凝法油气回收工艺流程模拟

使用PR模型对三级冷凝油气回收过程进行了模拟,考察了各级冷凝温度对油气回收过程的影响。研究发现:当预冷温度在-30~20℃之间、二级冷凝温度在-80~0℃之间时,预冷温度和二级冷凝温度对油气回收率几无影响;三级冷凝温度越低,油气回收率越高;系统总能耗随着预冷温度和二级冷凝温度的增加先降低后增加,随着三级冷凝温度的下降而增加。综合考虑油气回收率和系统总能耗,最佳预冷温度、二级及三级冷凝温度分别设定为5,-35及-75℃。     

新型复合胶体防灭火的技术及应用

根据煤层自然的特点及其对防灭火技术的特殊要求，介绍了一种新型复合胶体的防灭火机理、防灭火特性、注胶工艺及其在矿井煤层自然火灾中的成功应用。     

兴隆庄矿4322综放面停采线火灾治理

在分析兴隆庄煤矿4322综放面煤层自燃原因的基础上,利用氮气防灭火技术控制火区的扩展,运用复合胶体防灭火技术熄灭高温火区,这些技术的成功运用抑制了采空区深部火源向工作面的扩展,保障了兴隆庄煤矿4322综放面的安全撒架,为煤层内因火灾防治提供了新的方法和途径。     

加固煤体用聚氨酯材料的性能研究

介绍了煤矿区松散煤壁加固用聚氨酯材料的构成、材料选取及改性，通过对改性的研究，为用聚氨酯加固松散煤壁提供了一种行之有效的技术措施。     

实际条件下采空区浮煤自燃影响因素分析

从理论上对实际条件下采空区煤自燃的主要影响因素进行了分析，并对诸因素如何影响自燃过程发展进行了探讨。     

加固煤体用聚氨酯材料的性能研究

介绍了煤矿区松散煤壁加固用聚氨酯材料的构成、材料选取及改性,通过对改性的研究,为用聚氨酯加固松散煤壁提供了一种行之有效的技术措施。     

RESEARCH THE CHANGE RULE OF OXIDATION ZONE WIDTH CAUSED BY NITROGEN INJECTION IN GOB

On the basis of heat-transfer and chemical kinetics theory, both connections coal selfignite with oxygen concentration and range of oxidation zone with air-leak intensity are analyzed,and calculating method is deduced to gain the lower limit of oxygen concentration and the range of oxidation zofie. The change rule of correlative parameter is quantitatively researched between before nitrogen injection and after nitrogen injection in gob, such as oxygen concentration, oxidation zone width, etc. According to theoretical calculation, the relation position and flow of nitrogen injection with oxidation zone width is conformed, and computational formulas of the best flow and position of nitrogen injection are obtained. It offers a theoretic criterion for preventing and controlling float coal self-ignite by nitrogen injection in gob.     

我给傲游和卡巴劝劝架

今天帮我那爱美的老婆装上了傲游2.1.2。随之而来的不是什么惊喜,而是"叮""叮"的骚扰声。每次打开傲游就"叮"的一声提示我:卡巴6.0.1.411和傲游相冲突。提醒我赶快升级卡巴的版本。我老婆听得不厌其烦,对我喊道:"傲游和卡巴吵架了,赶快来劝劝!",于是我就当起了"好事     

粉煤灰胶体在高瓦斯易燃煤层防灭火中的应用

阳泉矿区煤层易自燃，且瓦斯含量较高，自燃火灾严重地威胁着矿井的安全生产。粉煤灰胶体灭火技术在阳泉二矿8208综放工作面的成功应用，表明该技术在高瓦斯易自燃煤层大面积火灾防治中具有显著作用。     

Experimental simulation and numerical analysis of coal spontaneous combustion process at low temperature

The characteristic of coal spontaneous, combustion includes oxidative property and exothermic capacity. It can really simulate the process of coal spontaneous combustion to use the large-scale experimental unit loading coal ! 000 kg. According to the field change of gas concentration and coal temperature determined through experiment of coal self-ignite at low temperature stage, and on the basis of hydromechanics and heat-transfer theory, some parameters can be calculated at different low temperature stage, such as, oxygen consumption rate, heat liberation intensity. It offers a theoretic criterion for quantitatively analyzing characteristic of coal self-ignite and forecasting coal spontaneous combustion. According to coal exothermic capability and its thermal storage surroundings, thermal equilibrium is applied to deduce the computational method of limit parameter of coal self-ignite. It offers a quantitative theoretic criterion for coal self-ignite forecasting and preventing. According to the measurement and test of spontaneous combustion of Haibei coal, some token parameter of Haibei coal,spontaneous combustion is quantitatively analyzed, such as, spontaneous combustion period of coal, critical temperature, oxygen consumption rate, heat liberation intensity, and limit parameter of coal self-ignite.