故该种泵流道易于堵塞，泵一旦被堵塞会使泵不能正常工作，甚至烧毁电机，从而造成排污不畅。
Therefore, the pump flow is easy to plug, plug the pump will pump once does not work, and even burning motor, resulting in poor sewage.
简要分析煤矿井下采煤工作面刮板输送机烧毁电机的主要原因，提出预防烧毁电机的管理方法和对策。
This paper briefly introduced the main reason for damage of the scraper conveyor motor in coal mine, providing the management methods and treatment in preventing from motor damage.
增加外部过载保护是防止电机烧毁的有效手段，如热继电器保护。
Increase external overload protection is to prevent motor burned effective means, such as thermal relay protection.
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