Product Details
Product Description
Product Description
I. Basic composition and working principle
The sand screening machine is mainly composed of hull (or frame), shelf, reducer, conveyor belt, sieve (drum screen or vibrating screen), engine or motor and other components 1. Its working principle is to imitate the process of manually using the bevel screen to sift the sand. By flatting the rolling sieve cylinder or vibrating the screen, the sand repeatedly rolls and slides in the sieve cylinder or sieve, so as to fully disperse and separate. This screening method can effectively avoid the phenomenon of incomplete screening and mixing caused by pushing, burying or vibrating large and small materials.
II. Main features
Simple installation foundation: The sand screening machine adopts a box-shaped frame structure, which only needs a flat ground to be installed. After hardening the ground, it is more convenient for cleaning and maintenance.
Highly integrated: Except for the finished material stacking belt machine, all systems are integrated into an overall frame, which not only ensures the integrity of the equipment, but also leaves moderate maintenance and patrol space, which is convenient for construction site storage or transfer and transportation.
High work reliability: The core screening system of the sand screening machine adopts the stirring principle of the mixer. The raw materials are subjected to continuous spiral blade rolling, extrusion and mutual friction between materials in the sieve cylinder. The screening effect is natural and reliable.
Economy of use: The storage hopper of the sand screening machine has a large capacity, which can reasonably arrange the loading time of the loader and the stone washer to reduce the labor intensity; the sieve mesh adopts a replaceable sheet-mounted connection method, which is convenient to replace or replace the sieve mesh of different sizes after wear, and reduce the cost of use.
III. Types and Parameters
According to the different screening methods, the sand screening machine can be divided into drum sand screening machine, washing drum sand screening machine, vibrating sieve sand screening machine and other types 1. Different types of sand screening machines have different parameters and applicable scenarios, and users can choose according to their actual needs. For example, the 50-type drum sand screening machine has the characteristics of not easy to block the sieve hole, stable operation, low noise, etc., which is suitable for the screening of sand, soil and other materials.
IV. Use and maintenance
Preparation before use: Before using the sand screening machine, you should check whether there are any abnormalities in all parts of the machine, and ensure that the sand screening machine is flat according to the height used. The front and rear errors are ±10 degrees, and the left and right are close to the horizontal; check whether the power line is connected correctly to ensure safe use.
Start-up and operation: When starting the sand screening machine, the conveyor belt should be started first, and then the drum sieve or vibrating screen should be started; the unloading valve should be adjusted to achieve the required screening effect. During the operation process, you should pay attention to the working status of the sand screening machine. If any abnormality is found, it should be stopped in time for inspection.
Maintenance and upkeep: The sand screening machine should be maintained and maintained regularly, including checking the wear of each part, replacing the worn screen, cleaning up the sticky sand on the screen, etc. At the same time, it should be regularly oiled and lubricated with bearings and transmission parts to ensure the normal operation of the sand screening machine and extend its service life.
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