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JZL type precision drum filter

Keywords: stacking screw dewatering machine, pre-concentration stacking screw dewatering machine, integrated stacking screw dewatering system


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Detailed introduction


Model representation

Application occasions

JZL type precision drum filter is a kind of using gravity or pressure difference to make the suspension through a porous medium, interception of suspended solids in the suspension, to achieve effective separation of solid and liquid in the suspension of precision filtration equipment, in metallurgy, chemical industry, textile, printing and dyeing, electroplating, medicine, food and other industries have been widely used. Mainly applied:

1, the depth of municipal sewage treatment and the first level of upgrading transformation.

2. Recovery and recycling of water resources.

3. Pretreatment of tap water.

4. Recycling of suspended solids after solid-liquid separation.

Main features

The filter is made of 316L stainless steel with corrosion resistance, high strength and long service life.

The filter screen is resistant to impact load, and the equipment can operate normally under the condition that the influent SS is not higher than 40mg/L.

The filter screen is composed of independent mesh assembly, which can be independently removed, and the installation and maintenance are simple and convenient.

The treatment effect is good, the effluent water quality is good and stable, especially suitable for water quality improvement projects.

Can achieve 24 hours of continuous filtration, washing, filtration does not affect each other.

Flushing water consumption is small, impurities are not easy to accumulate on the filter screen, backwashing high-pressure water easily remove impurities. The water used is taken from the filtered water, and the water consumption is 0.3 of the treated water, which is much lower than the water consumption of other similar filters of 3% ~ 5%. Reduce the burden of post-treatment of flushing wastewater.

The head loss is small, generally not more than 0.3m, and the operation energy consumption is low.

The operation is fully automated, and has multiple protection, daily operation and management without special personnel.

Small footprint, short design cycle and construction cycle.

Working principle

JZL type precision drum filter is mainly composed of box, filter system, drive system, backwash system, automatic control system, etc.

JZL type precision drum filter is a continuous filtration equipment. Raw water (sewage) flows into the filter drum through the inlet of the water inlet pipe. The liquid level sensor will send out a signal to start the drive system to drive the filter drum to move and start the backwash pump at the same time. Raw water (sewage) using gravity or pressure through the high strength stainless steel filter, raw water (sewage) in the solid suspended solids are trapped inside the filter. The backwash pump extracts the filtered water, sprays high-pressure umbrella-shaped water column through the nozzle on the top of the filter drum, and washes the filter screen from the outside to the inside to remove the solid suspended solids accumulated on the inner surface of the filter screen. The washed fine particles are collected by the backwash water collection tank inside the filter drum and discharged from the equipment through the sewage pipe. When no water passes through the device, the device will automatically stop.

Technical performance

Inlet water quality SS≤ 30 mg/L (instantaneous peak 60 mg/L)
Outlet water quality ≤ 10 mg/L
average filtration rate 220m/h
backwashing water quantity ≤ 0.3%
Backwashing pressure 0.7Mpa
Head loss ≤ 0.3m
Filter material 316L stainless steel
Medium temperature Normal temperature

 

Model JZL1000 JZL2000 JZL3000 JZL5000 JZL10000 JZL15000 JZL20000 JZL25000 JZL30000
Capacity (m³/d) 1000 2000 3000 5000 10000 15000 20000 25000 30000
Overall dimension
(Mm)
Long 2000 2400 2900 2900 3800 4700 5600 5600 6500
Wide 1220 1220 1220 1600 1600 1600 1600 1760 1760
High 1470 1470 1470 2060 2220 2220 2220 2500 2500
Screen area (m²) 0.5 1 1.5 2.5 5 7.5 10 12 15
Outlet caliber DN200 DN250 DN300 DN400 DN500 DN600 DN700 DN800 DN800
Gear motor power (kw) 0.37 0.37 0.37 0.75 0.75 0.75 1.5 1.5 1.5
Backwash pump power (kw) 1.1 1.5 1.5 1.5 3 5.5 7.5 11 11
Water consumption for backwashing (m³/d) 14 18 20 20 40 60 80 80 100
Backwash pressure (bar) 7 7 7 7 7 7 7 7 7

Note: We reserve the right to update the technical parameters.

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