PURPOSE: To utilize the power of a suction blower always by adjusting the insertion amount of a suction nozzle into acids upon sensing its current amount and by adjusting the difference between internal and external cylinders of the suction nozzle through sensing of the suction pressure of the acids.
CONSTITUTION: The insertion amount of a suction nozzle 3 into acids 2 such as corn and pulverized substance is sensed by level switches 20, 21, and adjusted by winding off a vertical expansion/contraction drive device 18 according to the sensed signal. The suction pressure of the acid in an air pipe 16 is sensed by a pressure sensing device 33, and an internal/external cylindrical difference adjustment device 31 is put in operation according to the pressure sensed, to move vertically the position of the nozzle's external cylinder 29 with respect to the internal cylinder 25. Thus the difference between the internal and external cylinders E is adjusted. Consequently the power of the suction blower 17 can be always utilized effectively as well as the time for loading/unloading shortened, to assure raised efficiency for loading/unloading works. It also eliminates necessity for monitoring the suction nozzle by any watcher stationed at all times.
SHIRANE GENKICHIROU
SHIMIZU TOSHIYASU
| JPS4839434A | 1973-06-09 | |||
| JPS5236491B2 | 1977-09-16 | |||
| JPS524839A | 1977-01-14 | |||
| JPS4813916U | 1973-02-16 |