Inlet Screen

Inlet Screen

Less land occupation | Easy to operate

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Inlet Screen

Introduction

The internal flow screen grille decontamination machine is used to intercept and remove smaller diameter suspended dirt and particulate impurities in the supply and drainage systems, and further remove the dirt in the water source after the coarse grille treatment. The whole machine has a compact structure, takes up less space, is easy to install and easy to operate. Considering the maintenance, repair and extended service life of the equipment, no mechanical parts are installed underwater to avoid unnecessary mechanical failure.

High capture rate

Efficient capture of various fine grid slag

Large flow rate

Reduces head loss

Machine installation

No need to alter civil structure, ideal for upgrading old equipment

Easy maintenance

Insertable screen

Space saving

Vertical installation,space saving

Smooth running, light vibration and low noise

Applications

This series of products is very reliable, stable and effective in decontamination and filtering machinery and equipment in the application of municipal sewage treatment and water treatment, and various types of industrial sewage treatment, as well as other solid-liquid separation applications.

Livestock & Poultry Manure

Municipal Sludge

Town Sewage

Metallurgy lndustry

Biomass / Forestry Waste

Structure Principle

The main structure of the internal flow type grille: filter orifice plate, sprocket chain, main frame, Flushing rods, clean rotating brushes and filter residue collection arts, grille housings, drive motors, system seals, etc.

Filtration principle: The sewage to be filtered enters the interior of the grille from the middle of the grille inlet frame of the perforated plate. The sewage flows out of the perforated plate from both sides of the grille, and suspended matter such as filter residue, hair, and fibres are trapped on the inner wall of the perforated plate. When the filter orifice plate is running, the material trapped on the innerwall is lifted up to the top, and a pressure flushing water rod isprovided on the outer side of the top plate. The orifice plate is automatically rinsed by the pressure water, and the trapped filter residue material is washed under the inside of the orifice plate. Inside the collecting water tank, at the same time, the filter plate is re-cleaned and configuredto rotate the brush online, and the rotating brush operates in conjunction with the washing rod and mechanical rotation. For example, the washed orifice plate is cleaned again by the rotating brush, and finally, it flows from the conveying tank to the filter press for dehydration. The entire filtration process and press dehydration are carried out in a continuous, automatic state.

Installation Diagram

Specifications

Model Specifications	NXG-1000	NXG-1200	NXG-1500	NXG-2000
Filter nominal width(mm)	1000	1200	1500	2000
Installation angle	90°
Chain plate pitch (mm)	200
Applicable channel width (m)	1-5
Standard mesh size (mm)	2（can be adjusted as needed）
Flow speed(m/s)	＜ 0.6
Amount of water passing through a submerged depth of 1m(m³/h)	800	1000	1250	1650
Allowable water level difference(mm)	200
Travel speed of screen(m/min)	3.6-5.0
Motor power(kw)	0.55-1.5
Flushing water pressure(MPa)	≥0.6
Amount of flushing water(m³/h)	12	14	17	24

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Benenv Group

Benefit the Environment

Beneny Group has more than 10 subsidiaries, with total assets of morel than 80 million USD. Benenv has more than 60 national patents and a number of international certifications, such as ISO9001 international quality system certification, CE EU certification, Ecovadis certification, etc.

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