New Change of Coal Concentrator Crush Process
To increase the crusher Coal Chute tube angle from 36 ° to 45 °, to ensure that coal smooth slip at the end. Out down the operation of the system, we also found that the Coal Chute tube crusher due to space constraints, the angle of only 36 ° or so, but slip the end of coal is less smooth, especially in the winter, the indoor temperature low, coal humidity slip coal will be more sluggish, and restricted the normal operation of the entire system.Through access to information to calculate the wet state of motion of the end of coal, when the angle of repose is 40 °, slip the end of coal Coal Chute tube angle is only greater than 40 °, in order to smoothly slide the coal, so we only increase the slip of the angle of the coal cylinder in order to ensure the normal operation of the entire outside drop.
Two coal yards Belt Tension Device by heavy objects on the car taut changed to screw slider spiral tension, while reducing the height of the tailstock.
Because of the need to increase the slip angle of the coal barrel, it is necessary to vacate the space occupied by the tail of the barriers to the increased angle of Coal Chute tube below the coal yard belt tensioner. The two existing coal plants belt tensioning device is heavy objects on the car taut, to maintain a constant tension, and do a manual operation or control theory, but its weight to the portion of a larger space, just limit theCoal Chute tube angle. Two coal plants belt total length of 130m, the length change and creep elongation caused by the load change is not too large, the use of simple structure, compact spiral tensioning device is also able to meet to ensure that tension, the role of the compensation length, and thus We decided to replace the car with screw slider taut to heavy objects taut.
In addition, the change of the tensioning device, we can two coal belt tail height reduced from 470mm to 330mm, is conducive to work due to the adjustment of the tape is uneven force are caused by the belt deviation. Change the belt inclination is still maintained at 12 °, in full compliance with the requirements of coal mine safety belt in the upstream inclination greater than 16 °. Coal drop outside the building system transformation diagram as shown.
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