Automatic Upper And Lower Sand Shooting Slide Molding Machine The fully automatic Casting Molding Machine is a casting equipment used for manufacturing sand molds. The main functions of the molding machine include filling, sandblasting, and compacting molding sand. Automatic Upper And Lower Sand Shooting Slide Molding Machine,Full Automatic Sand Shooting Molding Machine,Auto Sand Shooting Casting Equipment,Side Shot Sand Molding Machine Changzhou Qiaojie Casting Equipment Co., Ltd. , https://www.jsqiaojie.com
Ventilation systems should be used in the following situations:
1 Mines with long ore body, large output, and large wind leakage;
2 Naturally formed shallow-buried ore bodies with several sections, special mines with small ventilation tunnels;
3 mines have mines that are at risk of spontaneous combustion;
4 Uranium- containing mines with long ventilation lines or complex networks.
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The partitioning range of the district ventilation system shall be consistent with the mining recovery section and shall be the boundary between the areas with the least contact between the districts.