The downward stratified filling method works under the roof of the integral cemented filling body, and is especially suitable for mining of ore with high ore value, soft rock conditions and no ground collapse.
When the ore rock is not stable, the overall stable roof provides safe working conditions; the ore recovery rate is high and the depletion rate is low; the direction, location and quantity of the approach can be adjusted according to the geological and mineral deposit changes, and the flexibility is large. According to the filling condition, the upper stage and the surface can be deformed or less deformed.
Since the downward stratified filling method is more complicated, the filling cost is higher than that of the upward stratified filling method, and the yield per unit area of ​​the nugget is low.
In recent years, the downward stratified filling method adopts the improvement of high-efficiency trackless equipment recovery and filling process, and the situation of low efficiency and high cost has been improved, and the stratified caving method and the frame bracket filling method have been widely replaced. . Mines with high ore values ​​and complex ore bodies are increasing in this way.
Helper have accumulated rich experience in the smoking(Smoking Chamber),dry maturing(Dry Maturing Chamber) and cooking(Cooking Chamber) solutions through decades of years development. We know clearly the importance of the temperature, humidity and ventilation conrtrolling for sausage production, thus our machine can hold control all the key points and help our clients to avoid the risk of defective products. Not only the machine itself, we are always pleasure to give our suggestions on the auxiliary and some other supported devices and equipment.
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