随着望儿山分矿深部开拓工程的延深，深部热水涌出、温度升高等问题严重影响了生产作业，因此需要建立合理的多级机站节能通风降温系统和中段通风网络以改善井下作业条件，实现节能降耗。%With the deepening of the deep extension project of Wangershan Mine, the hot water gushing and high temperature problems in the deep well seriously affect the production operations, therefore it is necessary to establish a reasonable multi-level stations energy-efficient, ventilation and cooling system and middle ventilation network to improve the downhole operating conditions and achieve energy saving.
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