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- Coal spontaneous combustion is one of disaster in Yima coalfield. 煤炭自燃是义马煤田主要灾害之一。
- Coal spontaneous combustion seriously threats the safety of coal industry. 煤自燃火灾严重威胁着煤炭工业的安全。
- The coal spontaneous combustion in the goaf is one of the main coal disasters. 采空区煤炭自燃火灾一直是我国煤矿的主要灾害之一。
- For coal spontaneous combustion in roadway, the test drilling method is applied and then the mud fluid or water is grouted for rescue work in practice of coal mine. 摘要对于巷道自然发火,我国当前煤矿现场往往采用试探法打钻,然后灌注泥浆或水实施救灾。
- Second, the discourse amended determinant method of danger zero of coal spontaneous combustion and applied it and prognosticate method of coal spontaneous combustion. 其次完善采空区浮煤自燃危险区域判定理论,把它和自然发火预测方法应用于综放采空区。
- The discourse applied determinant method of danger zero of coal spontaneous combustion and prognosticate method of coal spontaneous combustion into Ciyao bu 2# mine. 本文从煤炭自燃机理和影响煤自燃的各种因素进行了阐述和分析;
- So it takes a lot of effovt for preventing coal spontaneous combustion in per year in coal mine methods are grout nitrogen flooding and even pressure fire-extinguished to prevent coal spontaneous combustion. 为此,煤矿每年都要花很大气力防止煤炭自燃,采取了灌浆、氮、压灭火等阻止煤炭自燃的措施。
- The treatment of coal spontaneous combustion caused by small coal pits intruding has several difficulties in how to drop temperature effectively,control the air leak,put out fire efficiently,etc. 小窑入侵造成的煤体自燃,其治理存在如何有效降温、漏风控制、有效灭火等几个难点。
- The obtained results have significance for analyzing the spontaneous mechanism of coal in surface mines and predicating the position at which coal spontaneous combustion will occur. 探讨了露天煤矿煤炭自燃进程的数学关系,所得结果对分析露天煤矿煤炭自燃机理和预测其自燃进程与自燃点位置具有重要的指导意义。
- Coal seams in the minefield have been affected by coal spontaneous combustion and duplicated burning in the old fire areas, which is a serious threat to safety.Production of coal mine. 矿区所属各矿井田范围内煤层在开采过程中一直受煤层自然发火和上部老火区复燃的影响,严重威胁着矿井的安全生产。
- tfi- zone of coal spontaneous combustion in goaf 采空区自燃“三带”
- coal spontaneous combustion fire 煤自燃发火
- coal spontaneous combustion tendency 煤自燃倾向性
- The Study of Indicator Gases to Predict Coal Spontaneous Combustion 煤层自然发火预测预报的指标气体
- Study on prediction model of coal spontaneous combustion stage 煤自然发火期预测模型研究
- Coal Spontaneous Combustion Mechanism and Preventive Measures 煤炭自燃机理及防治措施
- Mathematic model for calculating the shortest coal spontaneous combustion time 煤堆最短自然发火期解算数学模型
- Law of index gases adsorption and condensability of coal spontaneous combustion 煤自燃指标气体的吸附与浓缩规律
- Keywords coal spontaneous combustion;oxygen consumption speed;exothermicity; 煤自燃;耗氧速度;放热强度;
- Based on open pit condition of nature geography, som effective method is applied to treat coal spontanous combustion in mining area and dumping site, reduced the loss of coal resources. 依据露天矿的自然地理条件及采矿工艺,通过几种行之有效的方法,对矿坑内及排上场煤炭自燃进行处理;减少煤炭资源损失。