Hydraulic dewatering machine, and sludge dewatering system and method
A hydraulic system and dehydrator technology, applied in water/sludge/sewage treatment, sludge treatment, chemical instruments and methods, etc., can solve the problems of large environmental pollution and difficult treatment, reduce labor intensity and improve dehydration High efficiency and high dehydration rate
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Embodiment 1
[0078] Please refer to figure 1 , this embodiment provides a sludge dewatering system 100, which is mainly used for dehydrating sludge with relatively high water content, so as to facilitate subsequent treatment. The above-mentioned dewatering system mainly includes a frame 110, a flap dehydrator 130 and a hydraulic dehydrator 140; the frame 110 is used for fixing and installing other components; the screw conveyor 120 is used for transporting sludge to the flap dewaterer 130 for preliminary Dehydration, the sludge after preliminary dehydration falls into the hydraulic dehydrator 140 for deep dehydration.
[0079] Please continue to refer figure 1 , and with the reference figure 2 , image 3 and Figure 4 ; The flap dehydrator 130 is set under the outlet of the screw conveyor 120, and includes two symmetrically arranged extrusion devices. Extruding device comprises slide seat 133, slide drive mechanism, the first connecting frame bar 131, the second link frame bar 132, t...
Embodiment 2
[0102] A method for sludge dewatering, utilizing the sludge dewatering system 100 provided in embodiment 1; comprising the following steps:
[0103] a. Adjust the system to the initial state; specifically, adjust the overflow valve 1413 so that the oil supply pressure of the hydraulic system 141 is between 0.5MPA-1MPA; adjust the two extrusion devices so that the bottom of the two flaps 134 the smallest gap between
[0104] b. start the screw conveyor 120, and feed the sludge into the screw conveyor 120;
[0105] c. Preliminary dehydration: start two sliding drive mechanisms, so that the upper parts of the two extrusion plates are close to each other, and perform preliminary extrusion dehydration;
[0106] d. Start the two sliding drive mechanisms to reset the two squeeze plates; then start the rotation drive mechanism to make the two squeeze plates move away from each other; make the sludge fall into the hydraulic dehydrator 140 below;
[0107] e. Deep dehydration, start th...
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