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Coarse Screening Equipment

‚ÄčThe coarse screenings equipment is generally used on the inlet channel of sewage treatment or at the inlet of the sump of the lifting pump station. Its main function is to remove the larger suspended or floating objects in the sewage, so as to reduce the treatment load of...

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Product Introduction

Introduction

The coarse screenings equipment is generally used on the inlet channel of sewage treatment or at the inlet of the sump of the lifting pump station. Its main function is to remove the larger suspended or floating objects in the sewage, so as to reduce the treatment load of the subsequent water treatment process and protect the water pump, pipeline, instrument, etc. When the amount of coarse screenings slag intercepted is greater than 0.2m3/d, mechanical slag removal is generally used; when the amount of coarse screenings slag is less than 0.2m3/d, manual slag removal or mechanical slag removal can be used.

The application of coarse screenings has a wide range of applications in construction, design and decoration, sewage treatment, engineering applications and other fields. The coarse screenings can continuously separate the suspended solids in the waste water, with high efficiency and stable operation. The water level difference before and after the small coarse screenings is used to protect the power equipment. The coarse screenings is generally installed in the coarse screenings area with good ventilation. The large and medium-sized coarse screenings requires equipment installation, which is convenient for daily equipment maintenance and coarse screenings slag removal.


Detail

Original: Jiangsu, China

Certification: ISO9001, ISO14001, etc.

Material: SUS304/SUS316

Voltage: 380V 50Hz, the voltage can be as local demand

Payment term: TT, LC

Delivery date: Negotiable

Packing: export standard

Market: Middle East/ Africa/Asia/South America/Europe/North America

Warranty: 1 year

MOQ: 1 set

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Technical Data

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Equipment Characteristics

The traction chain used for transmission is made of stainless steel, the chain has sufficient section size, and the breaking strength of the traction chain is not less than 5 times of the traction force. Traction chain wheel and guide device (non chain wheel) for transmission are respectively placed at the upper and lower parts of both sides of the frame, in the form of underwater guide device, and there are reliable facilities on the structure to prevent the entanglement of coarse screenings slag and other dirt. The guide is a non sprocket mechanism.

The mesh plate is made of stainless steel, and the mesh surface is arranged with regular holes. The net surface has the function of water passing and sewage interception, and the step surface can intercept larger dirt.

The whole stepped mesh plate filter belt face has enough water passage to meet the design requirements with water passing area and flow, and the flow rate of sewage through the coarse screenings gap is less than 1 m / s.

The cleaning brush is set at the starting point of the return journey of the screen, driven by a separate deceleration motor. When the screen moves, the external surface of the screen is assisted to unload and clean. The cleaning brush is made of nylon material.

The coarse screenings machine is equipped with orifice flushing device to ensure that the return orifice after unloading does not adhere to dirt and eliminate the blocking of mesh.


Electrical control

The supporting local control cabinet of grating is made of stainless steel.

The electric control of the screen type coarse screenings decontamination machine has the functions of manual, automatic, manual automatic switching, emergency stop, cut-off, alarm, etc. The electrical control of the screen type step coarse screenings decontamination machine has the function of overload protection. Once there is a fault, an alarm signal will be sent to the control center.

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