Mine ventilation structure capable of effectively controlling airflow

The utility model discloses a mine ventilation structure capable of effectively controlling air flow, and relates to the technical field of mine ventilation, the mine ventilation structure comprises a main ventilation pipe and a ventilation box, the rear end of the ventilation box is fixedly connect...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	FENG YANYANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING EARTH DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS WEAPONS
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