| 摘要 |
PROBLEM TO BE SOLVED: To provide a switching valve for a coal crusher for equalizing the load on its two coal crushers and to suppress an increase in the manufacturing cost of the crusher. SOLUTION: The coal crushed by two coal crushers 1 and 2 is separated into fine coal and coarse coal according to the grain diameter, and the coarse coal is returned to the crushers 1 and 2 and recrushed. In this case, the crushers 1 and 2 to which the coarse coal is returned can be switched. For this purpose, a switching valve 10 consisting of the valve body having an upper inlet of the coarse coal and two lower outlets connected to the crushers 1 and 2 and a valve element arranged in the body and by which the position to close one outlet between the two outlets is switched to the position to open the two outlets and a dispersion plate 12 for protecting the valve element from the falling coarse coal when the valve element is at the position to open the two outlets are provided.
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