SU665819A3 - Settling tank for hydraulic mines - Google Patents

Description

must exceed the angle of accumulation of the coal slurry discharged into the pit. Walls 3, part 4 of bottom 6 can be lined with concrete to prevent rock leaching from side walls.

The second generation 7 has a second silo collector (ditch) 8 and a third pulposporitor (ditch) 9, which is made with a constant decrease towards the pulpo collector 2. Each pulp collector 8 and 9 has side walls 10, as well as a small part 11 and bottom 12 (see Fig. 3), which, as mentioned earlier, are lowered and entered into the tank collector 2. The bottom tilt angle .12, as in the previous case, exceeds the accumulation angle of the coal suspension mixture. Said slurry collectors can be lined with concrete. If the sump should be closed to allow movement of the mechanism or personnel of mine over it, then beams 13 can be installed between walls 10 at wall 3 level. In this case, crossbar 14 can be laid across the pulp collectors 2, 8 and 9, instead of the crossbar, also used reGet 15.

The water tank 16 is formed by placing the partition 17, which is in line with the wall 10. The spillway is organized at the required level at the expense of a certain height of the partition 17, so that the water can overflow the latter. It is possible to use pipes as a spillway, but this is associated with an increased risk of blockage.

The pumping space 18 is formed below the maximum depth of the pulsator 2 and has a water pump 19 and a slurry pump 20. The pipe 21 passes through part 5 to the inlet of the slurry pump, and the second pipe 22 is connected to the suspension exit system, which can be located on the surface of the shaft. The water pump 19 is connected to a tank or water chamber 16 with a pipe 23, which passes through the partition 17 into the chamber 16 in one part and through part 5 of the pulp collector to the inlet of the pump 19 in another part. The pipe 24 is connected to the pipe 25, which in turn is associated with the introduction of water into the suspension system in each of the respective faces of the mine. Each bottomhole is also associated with a large number of individual suspension supply lines 26 with a pulp collector 8 and suspension supply lines 27 with a pulp collector 9. Feed water is supplied through pipe 28 to exit 29, which is connected to water reservoir 16.

To provide access to the pumping space 18, a passage 30 is formed to the surface of the excavation 1 by means of an aperture 31. A connection is also provided with the pumps through the roof 32 of the pumping space.

Works sump suspension as follows.

During normal operation, the suspension is pumped through lines 26 and 27 to the pulp collectors 8 and 9. From the pipe 26, the suspension is fed in the direction indicated by arrows 33 and 34 into the main pulp collector 2. The product contained in the suspension is then directed in the directions indicated by arrows 35 and 36, into the inlet pipe 21 of the slurry pump, from where it is lifted by the pump 20 through the pipe 24 to the surface of the shaft for further transfer to the preparatory space or for other processing needs.

Similarly, the suspension entering the pipe 27 enters the settling tank in the directions shown by arrows 37,

at the bottom 12 of the pulp collector 8 and along the bottom 6 of the main pulpo collector 2 moves in the direction shown by the arrow 38, after which it continues to move, as described with respect to the material outflow from

pipes 26. Water, which also mixes with coal to form a slurry, fills the pulp collectors 2, 8 and 9. After filling the pulp collectors, the water flows in the direction shown by arrow 39 to the water tank 16. If necessary, water is pumped into the water pump 19, then into pipes 24 and 25 to various coal holes, where production takes place to form a slurry.

Since a certain amount of water is continuously pumped out through pipe 22, the amount of water in the system will be continuously reduced, unless additional water is supplied. For this reason, an additional amount of water is supplied to water tank 16 via outlet 29.V

Above, as an example, a settling tank was made for a mine, in which mining is carried out with the pillars left. Only one pair of pulp collectors was shown, however pulp collector 2 could be extended and additional side pulp collectors added.

A preferred embodiment provides a pumping space having a slurry water pump installed at the bottom level. Instead of pumping space, the water supply and slurry pumps can be installed on the mine horizon, and the pipes running to the bottom of the sump or the submersible pump can be

placed at the bottom of the sump and pumping material.

This suspension sump for hydraulic mines is compact and allows to increase the concentration of pumped suspension.

Claims (2)

1. A sedimentation tank for hydraulic mines, including a main slurry collector with an inclined bottom, in the lower part of which pumps are located for pumping suspensions and clarified water to the surface of the mine, and in the upper part there is a chamber for clarified water and two additional collectors, in order to increase the concentration of the pumped suspension, it is provided with a vertical wall located in the upper part of the main pulp collector, forming together with the side walls and the end of the main pulpo collector a chamber for accumulation of clarified water, which is connected by means of a pipeline running along the bottom of the main pulp collector, with a pump for dispensing clarified water. 2. A sump according to claim 1, characterized in that the additional pulios collectors are made with a downward slope of the bottom towards the main pulp collector. Sources of information taken into account in the examination 1. US patent 3269777, cl. 302-14, published. 1966. 2. Popov, N. and others. Hydraulic lifting during underground mining of ore deposits. M., Tsvetmetinformatsi, 1973, p. 44-45. 2f s P 7 $ g; Uld: x: 2u-u / x-chuha / x gz