circular vibrating screen trajectory circular, with motor directly drag adjustable amplitude eccentric vibrator, simple structure, easy maintenance, long service life. Mainly used for grading operations metallurgical mineral processing, building materials, electricity and chemical materials, which screen machine uses the most advanced ring groove rivet, a large clearance bearing lubrication vibrator has a simple, durable, low noise, install , easy maintenance. And its efficiency and often influenced by the following factors:
First, the impact of material properties
circular vibrating screen material particle size of less than 3/4 of the mesh size easily through the sieve, sieve particle called Yi; more than 3/4 mesh particles, due to difficulties through the sieve, sieve called hard tablets; material particle size of 1-1.5 times the mesh size of the particles is called resistance tablets. Therefore, screening finer level contains a lot of fine material, can increase the secondary screening method, using a mesh size larger secondary screening, pre-discharge is too coarse sieve product level.
material containing water, makes the material has a certain viscosity, so that the fine particles each bond into the group, and attached to the large particles will block the sieve. These reasons make the screening process more difficult, and greatly reduce the screening efficiency. So this kind of screening material in the device was inside the sieve clean up or is the choice of strong amplitude settings screen. If you are the kind of large pieces of ore, we can use self-cleaning shaker.
If the material contains a sticky substance readily agglomerate, even when little water will bond into a group, make a fine sieve mud mixed product, but quickly clogged sieve. In this case, you should consider pre-washing. If material particle shape is round
Raymond Mill, then through the square and round hole easier.
Second, the operating factors
to maintain high screening efficiency, feeding should be uniform and continuous, vibratory screening machine to the feeding amount should be moderate.
Third, the impact of operating parameters
1, screen surface types: Face sieves usually have steel bars, wire, punched steel, rubber and polyurethane. Their effect on the efficiency of the screening, and their main effective area concerned; moreover, wear-resistant materials are also different. If the material is easy to block the hole, we should try to use manganese steel braided wire mesh sieve.
2, mesh shapes: square or rectangular mesh application better.
3, mesh size: should be associated with the work of the crusher and screening products to specifications to choose.
4, sieve movement situation. Various sieve screening efficiency is as follows: more than 90% efficient heavy screen; shaking screen more than 70-80%; trommel 60%; 50-60% fixed strip sun may optionally choose.
5, the ratio of the width and length and inclination of sieve sieve: the sieve is generally believed that the width and length than the ratio of 1: 2.5 to 1: 3; sieve inclination of all things: general inclination shaker at 0-20 deg; fixed bar screen inclination 40-50 deg ;
