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SludgeDewatering equipment and sludge dewatering process

A technology for sludge dewatering and equipment, applied in the direction of dewatering/drying/concentrating sludge treatment, etc., can solve the problems of high energy consumption, low dewatering efficiency, low dewatering rate, etc. The effect of increasing the area

Inactive Publication Date: 2010-01-20
HANGZHOU LVDING FILTER PRESS MFG
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AI Technical Summary

Problems solved by technology

Its shortcomings: first, the dehydration efficiency is low; second, the dehydration rate is low, and the energy consumption is high

Method used

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  • SludgeDewatering equipment and sludge dewatering process

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Embodiment 1

[0009] Embodiment 1: with reference to attached figure 1 . Sludge dehydration equipment, which includes an electrical controller and an automatic deviation correction device, the inlet of the sludge pump 4 is connected to the sludge tank 1 through the pipe 3 and the valve 2, the outlet of the sludge pump 4 is connected to the inlet of the flocculation mixer 5, and the medicine mixer The inlet of 18 enters water through pipeline 24 and valve 19, the outlet of drug mixer 18 communicates with the inlet of metering pump 22 through pipeline 21 and valve 20, the outlet of metering pump 22 communicates with the inlet of flocculation agitator 5 through flowmeter 23, and flocculation agitator 5 is connected by The motor 6 drives the stirring, and the outlet of the flocculation agitator 5 is directly facing the filter cloth clip dehydration device 7 in the filter cloth conveying mechanism. The outlet of the device 7 directly inputs the pre-dewatered mud into the wedge-shaped dewatering...

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Abstract

The invention relates to sludge dewatering equipment and a sludge dewatering process for sludge treatment. The dewatering technology comprises the following steps: a flocculating agent is added into the sludge according to the proportion of 0.3-2.0%, is fully stirred by a flocculation mixer and flows to lower filter cloth of a press filter, water flows away by a filter screen under the action of gravity, the sludge becomes thick, and the water content is reduced; the sludge passes through a gravity dewatering area and must be fully pressed in advance and dewatered before entering an extrusion area, a wedge-shaped area slowly clamps the sludge discharged from the gravity area and presses in advance and thickens the sludge sequentially and slowly, the residuary free moisture in a sludge layer is reduced to a lowest degree, the upper and lower distance of two net belts is gradually decreased along with the slow progression of an upper net belt and a lower net belt, the middle sludge layer is gradually hardened, and a residue cake is formed.

Description

technical field [0001] The invention relates to sludge dewatering equipment and a dehydration process for sludge treatment, belonging to the field of sludge dehydration equipment and dehydration process manufacturing. Background technique [0002] CN201198463Y, titled "sludge dewatering equipment", comprising: a sludge conveying mechanism (3) for conveying hydrous sludge (9) to be treated; a distribution mechanism (4) connected to the sludge conveying mechanism; at least one receiving Containers for sludge from said distributing mechanism, said at least one container being closable and variable in volume; a squeezing mechanism (6) for squeezing the aqueous sludge in the container; a pressing mechanism (5) for Apply pressure to the extrusion mechanism; the extrusion mechanism includes a plurality of movable extrusion plates (16) spaced apart from each other, and the at least one container is a flexible filter bag (17), and each filter bag (17 ) are placed between the spaced ...

Claims

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Application Information

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IPC IPC(8): C02F11/14
Inventor 施万兴
Owner HANGZHOU LVDING FILTER PRESS MFG
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