A method and device for low-temperature drying of residual activated sludge in sewage treatment
A technology for residual activity and sewage treatment, applied in water/sludge/sewage treatment, sludge treatment, chemical instruments and methods, etc., can solve problems such as long reduction period, change of sludge biological characteristics, inconvenient operation, etc. Achieve the effect of increasing the dehydration speed and saving the cost of chemicals
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[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. "Installation", "fixed connection" and the like involved in the present invention all mean that two parts connected to each other are fixed together, usually by means of welding, screwing or gluing.
[0041] A device for low-temperature drying of residual activated sludge in sewage treatment, including sludge freezing equipment, sludge curing room, sludge thawing and preliminary dehydration device, sludge dehydration equipment and sludge air-drying device; sewage...
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