The self-centering vibrating screen is also known as the universal hanging screen. It is caused by a vibrator with an eccentric mass to vibrate the sieve. The principle of operation is shown in the figure below.
The weight of the whole sieve and material of the self-centering vibrating screen is supported by the boom spring 4, and the whole system can move freely up and down, and is limited only by the constraints of the spring in the front, rear, left and right directions. A bearing 2 is mounted on the main shaft 1, and the main shaft is eccentric. When the pulley 7 rotates, the flywheel 5 also rotates. When the flywheel rotates, an inertial force (centrifugal force) is generated by the eccentric block 6. The direction of this inertial force changes every moment, and the spring is sometimes elongated (centrifugal force downward) and sometimes compressed (centrifugal force is upward) by the inertial force, so that resonance occurs, so that the entire sieve vibrates. The material on the sieve can achieve good looseness and delamination under vibration.
The specifications of the vibrating screen are expressed by the screen width (mm) x the screen length (mm).
Asphalt mixing plant is one of the key equipment for road construction. It is mainly used in the production of asphalt mixture for paving road surfaces. Asphalt mixing plant consists of a number of parts, including dosing system, dryer, agitator, dust removal system, fuel system and so on.
The batching system is one of the core parts of Asphalt mixing plant. It is responsible for adding various raw materials to the blender in a certain proportion. These raw materials include asphalt, sand, gravel and other additives. The batching system usually consists of a weighing sensor, a batching bucket and a batching transfer device.
The dryer is another important part of the Asphalt mixing plant. It is mainly used for drying raw materials such as sand and stones. There are heating elements and rotating agitators inside the dryer, which can make the raw materials fully heated and mixed evenly.
Mixer is one of the core parts of Asphalt mixing station. It is responsible for mixing various raw materials together to produce a high quality asphalt mixture. The agitator usually consists of multiple mixing blades, which can fully mix the raw materials to ensure the stable quality of the asphalt mixture produced.
Dust removal system is one of the important components of Asphalt mixing plant. It is mainly used to collect dust and exhaust gases generated during the production process. The dust removal system is usually composed of multiple filters, which can effectively filter out dust and exhaust gas to ensure a clean working environment and air quality.
Fuel system is one of the key parts of Asphalt mixing plant. It is responsible for providing the fuel to power the Asphalt mixing plant. The fuel system usually consists of a fuel pump, a fuel filter and a fuel injector.
Asphalt mixing plant is a kind of high efficiency asphalt mixture production equipment, widely used in road construction field. It has the advantages of high automation, high production efficiency, stable product quality and so on, and provides a strong support and guarantee for road construction.
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