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The paper presents the working principles, structure and technical characteristics of GPJ60/3 pressure filter and its industrial test in coal washery of Bayi Coal Mine.

介绍了GPJ60／3型加压过滤机的工作原理、结构和技术特点，以及在八一矿选煤厂工业试验的情况。

University of enterprises rely on the western edge of state-owned enterprises human resources and technology to produce fine sediment, is mainly engaged in mineral processing equipment, environmental equipment, and automation and control technology research and development of manufacturing, process design Forwarders Washery coal, coal preparation equipment design, manufacture, installation and transform the business.

企业依托西部大学的优势人力资源和国营企业的优良技术生产积淀，主要从事选矿设备、环保设备以及自动化控制技术的研究开发制造，承揽洗煤厂选煤工艺设计、选煤设备的设计、制造、安装、改造等业务。

In the light of the features of the production of the coal washery ,and from the design thought,structure and function set-up of the collective and distributive monitoring system,this paper introduces a set of collective and distributive monitoring system of the coal washery composed of the industrial controller,PLC,and touching screen,etc.

针对选煤厂的生产特点，从集散监控系统的设计思想、结构及功能设置等几方面介绍了一套由工业控制机、PLC和触摸屏等组成的选煤厂集散监控系统。

Through analyzing various interferences occurring in the PLC monitoring system in the coal washery , this paper expounds the serous consequences probably caused by various interferences in the PLC monitoring system of the coal washery , and puts forward some concrete anti-interference measures.

通过对选煤厂 PLC监控系统中出现的各种干扰现象进行分析，阐述了选煤厂 PLC监控系统中各种干扰现象可能导致的严重后果，提出了具体的抗干扰措施。

In order to recovery effectively coarse fine coal of coal washery, a turbo-cyclone separator of 100mm in diameter is developed, and the effecting technological parameters are studied systematically and the separating effectiveness is evaluated.

为了有效回收选煤厂粗煤泥，自行设计了φ100mm涡轮旋流分选机，对影响涡轮旋流分选机的工艺参数进行了系统性研究，并对其分选效果进行了评定。

Based on the study of the rheological property of Nantun coal washed sludge, the design of coal washery sludge pump system in Nantun power plant for a 220t/h CFB boiler is introduced.

在对南屯洗煤泥流变特性研究的基础上，通过对国内洗煤泥泵送系统的应用情况分析和各种泥浆泵的性能比较，提出南屯电厂三期工程洗煤泥泵送系统的设计方案。

For the weighbridge used in coal mine is lower precision and is interfered by people easily, a management system of coal transportation and sale was designed in the paper.

针对现在部分煤矿仍采用机械式地上衡而造成精度低、人为因素多的情况，设计了一套煤炭运销管理系统。

The countries that are poorest in black coal have been most richly endowed by nature with white coal .

大多数产煤少的国家都有丰富的水力资源。

The production of coal degradation by white rot fungus was also studied. Based on these studies, the degradation law of coal biodegradation was also worked out.

还对白腐真菌对煤降解转化产物进行了元素分析，在此基础上探讨了白腐菌对煤生物降解转化的规律。

The degradation law of the coal sulfur under these optimum conditions was also worked out. The results show that coal desulfurization by white rot fungus is feasib...

实验结果表明，白腐菌煤炭脱硫是完全可行的，而且白腐菌脱硫速度较快，2d内可脱除煤中无机硫的5530％、全硫的4454％。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。