Device for automatically operating and controlling dehydrator in concrete plant waste water treating equipment or the like
专利汇可以提供Device for automatically operating and controlling dehydrator in concrete plant waste water treating equipment or the like专利检索，专利查询，专利分析的服务。并且PURPOSE: To energy-savingly and efficiently carry out dehydration by providing a sensor for detecting the rotational resistance of a rake, and furnishing a controller unit for driving the driving motors of a sludge pump and a dehydrator when the detection value exceeds a specified value and stopping the motors when the detection value becomes lower than the specified value.
CONSTITUTION: When the concn. of the concd. sludge flocculated and settled on the bottom of a settling tank 30 reaches a specified value, the load of the rotating rake 1 is changed, and the change in the rotational resistance is detected by the sensor 3. When the detection value exceeds a preset numerical value in the control unit 5, a solenoid valve 18 is opened, the sludge pump 32 is operated, and concd. sludge is sent into the dehydrator 33. The rotary drum 33a of the dehyrator 33 is simultaneously lowered, the driving motor 6 is started, and the operation of the dehydrator 33 is started. The sludge concn. in the settling tank 30 is then lowered, the rotational resistance loaded on the rake 1 is weakened, and the pump 32 and the motor 6 are stopped when the resistance value becomes lower than a set value.
COPYRIGHT: (C)1988,JPO&Japio，下面是Device for automatically operating and controlling dehydrator in concrete plant waste water treating equipment or the like专利的具体信息内容。
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