煤矿

The upright artesian well is one of the main ways of artesian well of coal mine, its techniques includes four sections : artesian well ,prefabricating of the wall of well, prefabrication of the wall and filling.

煤矿立井钻井法是煤矿钻井的主要方法之一，其施工工艺主要包括：钻井、井壁预制、下沉井壁和壁后填充四个阶段。

Some examples of existing CDM projects are:installing a waste heat-recovery system into a coking plant; establishing a coal mine methane-utilisation scheme for households currently using coal, and installation of an electricity generation station fuelled by coal mine methane; capturing waste gases (blast furnace gas and coke oven gas) from the steel-making process for utilisation in a new, combined-cycle power plant; constructing a pilot biomass power plant, utilising cotton and corn straw as fuel, to generate electricity to be supplied to the North China grid system; capturing methane from a landfill to produce power for the local grid; establishing wind farms; and reforesting mixed-used forest in Guangxi.

现有的一些清洁发展机制项目例子有：在焦化厂安装余热回收系统；对家庭目前使用煤炭状况建立了煤矿甲烷利用计划并利用煤矿甲烷为安装的发电机提供燃料；从炼钢过程中获取废气用于一种新的循环电厂；利用棉花和玉米秸秆为燃料建设生物质能发电厂，发电提供给中国北部网格系统；从一个垃圾填埋场获取甲烷为本地网格发电；建立风力发电厂；对广西混合使用的森林进行重新植林。

Some examples of existing CDM projects are:installing a waste heat-recovery system into a coking plant; establishing a coal mine methane-utilisation scheme for households currently using coal, and installation of an electricity generation station fuelled by coal mine methane; capturing waste gases (blast furnace gas and coke oven gas) from the steel-making process for utilisation in a new, combined-cycle power plant; constructing a pilot biomass power plant, utilising cotton and corn straw as fuel, to generate electricity to be supplied to the North China grid system; capturing methane from a landfill to produce power for the local grid; establishing wind farms; and reforesting mixed-used forest in Guangxi.

现有的一些清洁发展机制项目例子有：在焦化厂安装余热回收系统；对家庭目前使用煤炭状况建立了煤矿甲烷利用计划并利用煤矿甲烷为安装的发电机提供燃料；从炼钢过程中获取废气用於一种新的循环电厂；利用棉花和玉米稭秆为燃料建设生物质能发电厂，发电提供给中国北部网格系统；从一个垃圾填埋场获取甲烷为本地网格发电；建立风力发电厂；对广西混合使用的森林进行重新植林。

Since recent years, water penetration from gob of abondaned mines became a significant feature of water inrush in coal mines, threating serousely safe production in coal mines.

近年来，老窑采空区透水成为煤矿突水的显著特点之一，给煤矿的安全生产带来极大的威胁。

Has completed major projects including the world-famous giant white horse in Panzhihua City, vanadium and titanium magnetite, vanadium and titanium magnetite red grid, Lala Copper Mine, the largest long-Salt Salt Group, the Duke of Zhou Spa, Luofu Spa, Hai Luogou Spa , Sino-foreign joint ventures, wholly-owned cement with limestone, Chongqing Municipality in Yangsan, Yong-rong, Tianfu, South-tong, pine species, Sichuan climbing coal, can be wide, bamboo and other mining bureau of coal mine owned a large number of small and medium-sized coal mine restructuring , The continuation of Nanchuan bauxite, gold agate shell, Guizhou Hezhang siderite, Fuquan phosphate rock and phosphate rock Xundian Yunnan, Tibet, such as gold sand.

已完成的主要项目包括世界著名的攀枝花市白马特大型釩钛磁铁矿、红格釩钛磁铁矿、拉拉铜矿、久大盐业集团盐矿、周公山温泉、罗浮山温泉、海螺沟温泉、中外合资、独资水泥用石灰岩、重庆市中梁山、永荣、天府、南桐、松藻、四川攀煤、广能、达竹等矿务局所属煤矿、大量中小型煤矿改制、延续、南川铝土矿、玛瑙壳金矿、贵州赫章菱铁矿、福泉磷矿、云南寻甸磷矿、西藏砂金矿等。

He is the member of the Chinese Metal Association, and Science and Technology Association of Zhangjiakou City, and he has obtained numbers of qualifications, such as, the National Labor Protection and Supervision Inspector of People's Republic of China, the Mining Technician, the Security Assistant Engineer, the OSHMS Auditor, the Hazard Chemicals Supervision Qualifications of Hebei Province, Statistics Qualifications of Hebei Province, Quality Control Qualifications of China, Safety in Production Management Qualifications of Hebei Province, Non-coal Mine Safety Control Qualifications of Zhangjiakou City, Non-coal Mine Safety Control Qualifications of Hebei Province, and so on.

加入了中国金属学会会员，张家口市科技协会会员，取得了中华全国劳动保护监督检查员、采矿技师、安全助理工程师、OSHMS内审员、河北省危险化学品管理资格、河北省统计资格、中国质量管理资格、河北省安全生产管理资格、张家口市非煤矿山安全管理资格、河北省非煤矿山安全管理等资格。

Analyses the features and the problems of the explosion door of the air shaft and improves the structural steel ring and the balance weight of door.

分析了煤矿风井防爆门存在的漏风、密封液选择、使用比较困难和开闭不便等问题及其原因，并针对这些问题对防爆门的型钢圈和平衡重锤进行了改进设计，实践证明，改造后的新型防爆门性能明显优于改造前，提高了煤矿风井防爆门的安全可靠性，具有一定的推广价值。

In recent years, our country economy developed fast, the coal total demand increased gradually, the request coal industry maintenance was high delivers, was creates coal mine ultra ability mining the macroscopic immediate cause, ultra ability mining already became one which of principal means the nation coal industry increased delivers, also became our country coal mine each kind of accident's important blasting fuse.

因本人英语水平有限，所以请高手帮忙翻译论文摘要如下：摘要近年来，我国经济快速发展，煤炭需求总量逐渐增加，要求煤炭工业维持较高产出，是造成煤矿超能力开采的宏观直接原因，超能力开采已经成为全国煤炭工业增加产出的主要手段之一，也成为我国煤矿各种事故的重要导火索。

The gaugue felt on the bottom of the coal car is one of the common problems on the process of coal production and transportation.

摘要矿车在煤矿井下运输中占有十分重要的地位，煤矸粘结矿车车底是煤矿生产运输过程中存在的一个普遍问题。

Mine car plays an important part in the coal mine underground haulage. The gaugue felt on the bottom of the coal car is one of the common problems on the process of coal production and transportation.

矿车在煤矿井下运输中占有十分重要的地位，煤矸粘结矿车车底是煤矿生产运输过程中存在的一个普遍问题。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐