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Mechanical arc screen

Date of publication:2018-10-21

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The arc screen is an economical and practical solid-liquid separation.

The arc screen is mainly used in coal preparation plant and concentrator to dehydrate, desliming, desliming and classifying slime recovery. It can also be used in conjunction with hydrocyclone to effectively classify, dehydrate, desliming and desliming fine materials. It is mainly composed of bracket, sieve base, sieve box, sieve plate and feeding distribution box. Taking HS series arc screen, HSJ pressure arc screen and YSH overflow arc screen as examples, the working principle, performance characteristics and technical characteristics are introduced in detail.

The arc screen is mainly used in coal preparation plant and concentrator to dehydrate, desliming, desliming and classifying slime recovery. It can also be used in conjunction with hydrocyclone to effectively classify, dehydrate, desliming and desulfurize fine materials. The sieve machine is composed of a sieve box with a wrap angle of 45 degrees and a curvature radius of 2030MM. The arc-shaped sieve surface and sieve frame adopt a pivot-oriented structure, which can rotate 180 degrees and prolong the service life of the sieve surface. The arc screen is reversed by the feeding box, the sieve box and the base axle of the sieve machine, realizing the alignment of the feeding end and the discharging end, achieving uniform wear and tear, prolonging the service life, flexible and convenient operation. It has also been widely used in metallurgical, chemical and other industries.

Main components:

Bracket:

The bracket is welded from 350 steel pipe and steel plate. The material quality is Q235.

Screen seat:

The sieve seat is a rotating sieve seat, which is composed of upside-down turning hinge and rolling bearing seat with planar rotation. The upside-down turning hinge makes the sieve body adjustable to install inclination angle. The rotating rolling bearing seat can rotate the sieve plane 180 degrees, which ensures that the arc sieve plate can be symmetrical and interchangeable. Effectively improve the utilization rate of sieve plate.

Screen box:

The sieve box is made of steel plate with delta=10MM, which is formed by folding plate and welded together. Material Q235. The sieve box was sprayed with wear-resistant and corrosion-resistant armor paint for automobile chassis.

Sieve plate

The arc sieve plate is a slit sieve plate welded by wedge-shaped non-magnetic stainless steel wire and T-shaped stainless steel wire by automatic resistance welding. The sieve plate baffle is made of 8 mm stainless steel plate. The sieve plate has the advantages of high opening rate, demineralization, good dehydration effect and long service life.

The feeding box is composed of feeding distribution box and feeding adjusting device. It is made of high quality wear-resistant and corrosion-resistant NM360 alloy structural steel plate. This steel plate has super hardness (HB360-430), so it does not need to paste other wear-resistant materials, and greatly improves the service life of the feeding box.

The arc screen is mainly used in industrial arc screen machine. The arc screen machine is a kind of fine-grained material dewatering, desliming and dewatering equipment widely used in coal, chemical industry, environmental protection and other industries. It is generally used in conjunction with heavy medium cyclone.

Performance characteristics of arc screen:

1. Stainless steel grille arc sieve plate, seam width 50-250 micron

2. Pressure feeding and grille arc sieve plate ensure high filtration capacity

3. Automatic cleaning of sieve plate and inlet and outlet

4. Compact structure, easy installation, operation and maintenance, no rotating parts, reliable operation, fully enclosed structure, no leakage, clean working environment, a variety of sieve plate specifications can be selected according to process application and requirements.

Label: Machinery arc screen manufacturers machine arc screen price

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