Magnetic separation device and method for treating oily sludge
A magnetic separation device and sludge technology, applied in sludge treatment, fertilization equipment, biological sludge treatment, etc., can solve the problems of unstable operation, large differences, long cycle, etc., and achieve good degreasing effect and wide application range Wide, easy-to-operate effects
Inactive Publication Date: 2018-12-14
BINZHOU UNIV
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The invention relates to a sludge treatment method and device, and particularly relates to a magnetic separation device and a method for treating oily sludge. The magnetic separation device comprisesa magnetic roller and a shell outside the magnetic roller; the magnetic roller comprises a cylindrical rotating shaft and spiral fins surrounding the rotating shaft; an electromagnet is arranged inside the rotating shaft and the spiral fins; the electromagnet is connected with a power supply; the rotating shaft is connected with a motor outside the shell through a transmission rod; one side, closeto the motor, of the shell is provided with a sludge inlet; and one side, away from the motor, of the shell is provided with a sludge outlet. The method for treating the oily sludge comprises the following steps: adjusting the pH value of the oily sludge to be treated to 10-12; adding a magnetizing agent, and uniformly carrying out stirring; carrying out treatment by using the magnetic separationdevice; sending discharged sludge to a filter press for dewatering; and then, carrying out fermentation to prepare an organic fertilizer. According to the invention, cutting, uniform mixing and grease adsorption are carried out continuously in a process of conveying the sludge, and the oil removal effect is good.
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