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Wuxi Dajiang Environmental Technology Co., Ltd.

China Manufacturer with main products: Shaftless Screw Conveyor, DAF, Sedimentation, Disk Dewatering, Decanter Centrifuge, Screening, Chemical Dosing Device, MBBR Medias

Home  >Products Catalog > Rak Type Machinery Rotary Coarse Channel Fine Bar Trash Screen

Rak Type Machinery Rotary Coarse Channel Fine Bar Trash Screen

FOB Price: 1500.00 - 4500.00 USD/Set
Supply Ability: 10 Set(s) per Month
Shipping: shipping by sea or air
Payment Terms: L/C, D/A, D/P, T/T
In Stock

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Quick Details

  • Brand Name: Dagyee
  • name: Mechanical Fine Screen
  • Material: stainless steel304/316
  • application: wastewater treatment
  • Type: industrial
  • Model Number: DW600-3000


Mechanical Fine Screen DEscription

the screen ladder grille is mainly composed of the main components such as the driving device, the frame, the traction chain, the screen plate with the lifting ladder, the washing system and the electric control system. the drive motor is installed on the main shaft in the positive direction of the frame. Driven by the transmission chain, the mesh plates on both sides will extract the dirt trapped within its length from bottom to top. When it reaches the upper part, it will pass the steering function of the sprocket. under the action of the flushing water of the top flushing device, the unloading work is automatically completed.

the drive device of the mesh plate ladder grille is located on the upper part of the frame, which is an imported brand SEW shaft-mounted reducer. Screw-type adjustment devices are installed on the front and rear sides of the frame to adjust the tightness of the transmission chain.

the frame of the mesh plate ladder grille is an integral cuboid rigid structure assembled and welded by stainless steel plate and section steel. A water inlet hole is opened at the water-facing end of the lower part of the frame, guide rails are arranged on the front and rear walls of the frame, and an internal slag collecting groove is also arranged on the upper part of the frame, which extends to the outside of the machine. the rack is installed in the grid well, and the gap between the two sides of the rack and the grid well is the channel for the filtered water from the grid. Diversion baffles are arranged on both sides of the water-facing end of the rack, which can prevent floating garbage from passing through while diverting.

Rak Type Machinery Rotary Coarse Channel Fine Bar Trash Screen

Mechanical Fine Screen COmposition

Parts of the fine grille of the inner inflow mesh plate frame;
Drive System;
Stencil System;
Backwash system;
Division system and Electronic control system;

the geared motor drives the sprocket to rotate. the sprocket drives the mesh plate to rotate continuously; the sewage enters the grille from the water inlet, and passes through the mesh plate to overspeed. the water flows to the outside of the screen plate, and the dirt is left on the inner surface of the same plate. with the continuous rotation of the screen plate, it helps to the original part: the backwash system flushes the outside of the screen plate, and the dirt is washed to the receiving channel under the action of the flushing water. Feel free to check the flushing water from the well to the sewage outlet.

Mechanical Fine Screen Parameter

Grid width A(mm)
Grid well width mm)
Effective filter width (mm)
Grid well depth H(mm)
Installation angle ° 60-80
Mesh diameter (mm)
2 3 5 6 8 10
Running speed  (m/min)
Less than 3
Main drive power (KW)
Cleaning power (KW)
Cleaning pressure (Mpa)
More than 0.3
Design maximum water level difference (m)
Capacity Mesh diameter with 3mm (m3/hr) 700
Capacity Mesh diameter with 4-6mm (m3/hr)
Capacity Mesh diameter with 7-10mm (m3/hr)

Mechanical Fine Screen Advantage

the removal rate is high, which can effectively remove fibrous objects such as hair;
the backwash water will remove the dirt trapped on the screen, and will not fall into the filtered water to avoid secondary pollution;
the stencil is made of non-metal injection molded parts, which are resistant to wear and corrosion;
There are no transmission parts underwater, no maintenance is required, and it is more convenient to repair and maintain;
the wear parts are completely standardized, easy to replace and easy to operate;
Smooth operation, light vibration and low noise.

Mechanical Fine Screen Options

Alternative screen types and sizes

Material 304 L / 316 L SS
Alternative voltage and frequency
Alternative degree of motor protection
Control panel

Mechanical Fine Screen Application

It is a high-efficiency fine grille decontamination equipment that combines pollution blocking and decontamination. It is suitable for large, medium and small pump stations as fine grilles to intercept and remove floating objects in the water, such as: weeds, paper, cigarette butts, melon seeds, fibers, hair, etc. this model has a high dirt capture rate, the effective implementation of the subsequent treatment process.

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

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  • Product Quality Commitment

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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