Comparative analysis of hydraulic power systems for a powered roof support aimed at obtaining optimal power parameters

被引：1
|
作者：
Szolc, P. [1 ]
Szurgacz, D. [1 ]
Styrylski, K. [2 ]
机构：
[1] Polska Grp Gornicza SA, Oddzial KWK ROW Ruch Chwalowice, Przewozowa 4, PL-44206 Rybnik, Poland
[2] PepKon Firma Inzyniersko Informatyczna, Katowice, Poland
来源：
INNOVATIVE MINING TECHNOLOGIES (IMTECH), PT 2 | 2019年 / 679卷
关键词：
D O I：
10.1088/1757-899X/679/1/012018
中图分类号：
TD [矿业工程];
学科分类号：
0819 ;
摘要：
Hydraulic power systems for powered roof supports, depending on the place of installation of hydraulic aggregates, can be divided into local and central systems. Central systems are gaining popularity and a number of their features are more advanced compared to the local system. However, it is widely believed that their main disadvantage is the necessity to install pipelines with larger lengths, which can have a significant impact on the obtained hydraulic power supply parameters by occurring pressure losses on the pipeline length. This paper discusses the impact of these parameters on the correct operation of the powered roof support section, which is connected with the uninterrupted continuity of the production cycle in a longwall.
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页数：11
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