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Comparison between conching dehydrator and other dehydrators

Time: 2019-05-13 10:50:44

 

Project

Belt dehydrator

Centrifugal dehydrator

Plate frame dehydrator

Dehydration way

Spiral filter

Gravity dehydration + shear type

Centrifugal dehydration

Pressure dehydration

characteristic

advantages

Self-cleaning, no clogging, direct dehydration of low-concentration sludge; Low speed, power saving, no noise and vibration; Fully automatic control, no one running 24 hours

Lower prices; At present, it is widely used and the technology is relatively mature

Large processing capacity

Low prices; Good at inorganic sludge dehydration; Mud cake has low moisture content

disadvantages

Not good at large particles, hardness of the sludge dehydration; Small capacity

Easy to block, need a lot of water to clean, causing secondary pollution; Not suitable for the treatment of oily sludge

Large power consumption, loud noise, violent vibration; Maintenance management difficulties; It is not suitable for solid-liquid separation with similar specific gravity

Easy to jam, need to use high pressure pump; Not suitable for dewatering oily sludge; It is difficult to achieve continuous automatic operation

flocculant

use

use

use

Sometimes not used

The moisture content

Less than 85%

Less than 85%

Less than 85%

Less than 75%

Rinse with water

Very few

maximum

less

middle

recovery

About 90%

About 90%

About 95%

About 95%

Electricity consumption

Very few

middle

maximum

big

Run continuously

may

Possible, but difficult

may

No (some models can)

Maintenance management

The operation time is short and simple

Long operation time

Long operation time

Long operation time

Floor Space

small

big

middle

big

Vibration noise

Very few

have

have

have

Sludge thickener

don't

do

do

do

The above is a variety of sludge dehydrator comparison, it is very obvious, all the performance of the falling sludge dehydrator win.


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