Method for rapidly dehydrating and curing foundation pit sludge

Method for rapidly dehydrating and curing foundation pit sludge

The invention relates to the field of environmental geotechnical engineering, in particular to a foundation pit sludge rapid dehydration and solidification method. The method comprises the steps that S1, sludge in a foundation pit is placed at the bottom of the sludge through a first sludge pump whi...

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Hauptverfasser: BU KAILIN, CHEN BAOKUI
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator BU KAILIN
CHEN BAOKUI
description The invention relates to the field of environmental geotechnical engineering, in particular to a foundation pit sludge rapid dehydration and solidification method. The method comprises the steps that S1, sludge in a foundation pit is placed at the bottom of the sludge through a first sludge pump which is connected and punched, and the sludge is pumped into a sludge-water separation machine for sludge treatment, so that the sludge is uniformly stirred, and sludge and water are separated; S2, the sludge obtained after water separation is stirred is screened along multiple layers of filter screens with different pore diameters through the gravity effect, and sludge soil without large-particle impurities is obtained; S3, sludge obtained through screening is pumped into a drying pipe through a second slurry pump, the sludge and quicklime are mixed through two nozzles for spraying quicklime powder arranged on the pipe and the wavy design of the bottom of the device, a chemical reaction occurs, and the drying effect
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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Method for rapidly dehydrating and curing foundation pit sludge
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