Abstract
The paper approaches the necessity and implementation of a viable solution for constant saline water evacuation, and its transportation to the surface of the mine. A major problem in Slanic Prahova salt mine has been found to be water infiltration. Sump flooding is due to the high humidity condensation of the air circulating along Unirea sump, making a constant air exchange between the underground and the surface, at a temperature of 12-15 degrees. Water infiltration coming from ground water layers are also a factor favouring sump flooding.
Highlights
Water infiltration in underground mines is a general and well-known problem, both at national and at international level
In coal mines, where norms are strict from the point of view of electrical installations and mechanical-electrical installations from the inside of the mine, due to explosive gases in the mines, which can be ignited by sparks, pneumatic water evacuation pumps are used
Considering that Slanic Prahova Salt Mine there is no such atmosphere, we are allowed to design evacuation installations operating with electricity
Summary
Water infiltration in underground mines is a general and well-known problem, both at national and at international level. The installation made up of absorption pipe, evacuation pipe and exhaust pipe to the mine surface, would have to work in corrosive atmosphere, due to saline water of maximum saturation. 2 Considerations regarding the construction and exploitation of the centrifugal pumps intended for the evacuation of underground water
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