The nugget composition of the wall filling method:
(1) Stage height: generally less than 30 to 45 meters;
(2) Patio spacing: generally 50 meters, the main reason for the use of small-sized mining areas is that the useful components in the extremely fine veins are generally unevenly distributed, and the ore bodies often have expansion and contraction along the strike and along the slope. The size of the area is not large, which is beneficial to better detect the condition of the vein at the time of picking.
( 3) Generally, no top column, bottom column and inter-column are left, and the bottom column is mostly made of artificial bottom column (wood or concrete)
(4) The ore in the mining is left at a distance of about 10 meters (the time interval for manual transportation is small, and the spacing can be increased if the electricity is transported).
Gamma Laser Cutting Cabinet Nitrogen Generator is installed into one cabinet, it has compact structure, no need for site installation, plug and play, one simple push on starting button, Nitrogen Generator begin to work. Its purity can be 99.995-99.9995%, 45 Nm3/hr flow rate, 30 bars outlet pressure. For smaller laser cutting machine, there is also smaller nitrogen generator with 15 Nm3/hr flow rate.
The principle of laser cutting is performed by a high-energy laser beam melt metal material, high pressure and high flow gas is used to blow the melted metal material, forming cutting slits. NC system controls the motion axes to complete graphics processing.
In laser cutting operating, the cost of N2 (nitrogen) gas has reached 1/3-1/2 of total cost. To reduce laser cutting machine customers` nitrogen gas consumption cost, Gamma developed nitrogen generator exclusively for laser cutting application. With this nitrogen generator, customers not only can get low cost nitrogen gas, but also increase the utilization ratio of nitrogen, reduce the consumption of oxygen.
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Shandong Gamma Gas Engineering Co. Ltd. , https://www.gammagas.com