煤矿

Key words :coal mine safety ; vacuum pump ; gas drainage ; generate electricity

主题词：煤矿安全；真空泵；瓦斯抽放；发电

The question existed in traditional diving pattern of high-power submersible pump in drainage at mine inclined shaft was analysed,the scheme was introduced,overall design and system architecture of new non-diving apttern,and go on extend thinking.

分析了在矿山斜井追排水工作中大功率潜水电泵的传统潜水运行模式存在的问题，介绍了新型非潜水运行模式的方案、总体设计和系统结构，并进行了拓展思维，对于目前我国大多数煤矿矿山斜井追排水工作具有一定的借鉴意义。

High-pressure soft-start and PLC are widely used in coal mine drainage to the electronic control system.

高压软启动和PLC以广泛用于煤矿排水的电控系统中。

To meet the requirement of small diameter and shallow hole drilling for gas drainage in coal tunnel, the ZDY1200L track-mounted hydraulic tunnel drilling rig has been developed.

为适应当前煤矿井下小直径浅孔瓦斯抽放钻进的需要，研制了ZDY1200L型履带式全液压坑道钻机。

Service Project: Canton dredge, pipe dredge Canton, Canton toilet repair the company's main: 10 #, 20 #, 35 #, 45 #, 27simn petroleum, chemical, textile, hydraulic, medical, electric, military machinery, coal stent , boilers, instrumentation, decorative, building and other industries with large and small caliber, and special materials, special specifications, special purpose, thin-thick-walled seamless pipe and all kinds of alloy pipes, high and low and medium pressure boiler tubes, seamless steel pipe, stainless steel pipe, fertilizer exclusive possession ; and purchasing for users to sell, joint sales, transfers the backlog of all kinds of seamless steel tubes.

服务项目：广州疏通，广州管道疏通，广州马桶维修本公司主营：10#、20#、35#、45#、27simn石油、化工、纺织、液压、医疗、电热、军工机械、煤矿支架、锅炉仪表、装饰、建筑等行业用大小口径，及特殊材质、特殊规格、特殊用途、薄厚壁无缝管及各种合金管、高低中压锅炉管、无缝钢管、不锈钢管、化肥专用管；并可为用户代购代销、联合销售、调剂积压的各种无缝钢管。

The-430m track drift in Xuchang Coal Mine is a common passage for pedestrian and track transport.

针对许厂煤矿的-430m轨道运输斜巷行车兼做行人的特点，为满足行车不行人，行人不行车的规定，提出了一种新型矿井轨道斜巷人车安全闭锁装置。

In the end, this method was validated by example of anti-outburst drilling machine's scheme evaluation.

最后，以煤矿用防突钻机的方案评价为例，对提出的方法进行了验证。

Analyzing the calculating process of belt conveyor with high angle theoretically, starting from its theoretic calculate the cross sectional area of materials and peripheral force, shaft power of drum, power of motor, using point by point method to get the resultant strain of every drum and torsion of driving drum, calculating the maximum strain and the maximum reverse stopping torque, to give the support on theory for using belt conveyor with super-long distance, high angle under the coal mine.

本文针对长运距、大倾角、高强度带式输送机设计过程中存在的问题，从四个方面对大倾角带式输送机进行分析研究：从理论上解析大倾角带式输送机的计算过程，从大倾角带式输送机的理论入手，详细计算物料的横截面面积、圆周力、滚筒轴功率和电机功率，利用逐点计算法计算各个滚筒的合张力以及传动滚筒的扭距，计算出胶带的最大张力和最大逆止力矩，给长运距、大倾角皮带机在煤矿井下的使用给予理论上的支持。

For the characteristics of driving working face of chinese coal mine,designing three types of structural model of wet centrifugal precipitator.

针对中国煤矿综掘工作面的产尘特点，设计了湿式离心除尘器3种结构模型。

This paper introduces the application of granite film dust remover in Sitai mine, Tongmei Group, and illustrate its that it plays an important role in the environment improvement of the mine area.

介绍了花岗岩水膜除尘器在同煤集团四台矿的应用，并就此除尘器的性能和工作原理及其除尘效果，说明了其对改善煤矿生活环境质量具有重大意义。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。