There are three main factors that affect the production effect of the 200-ton
river pebble sand making machine: the nature of the raw materials, the structure
of the sand making machine, and the operation method of the sand making
machine.

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1. The nature of the raw materials processed by the sand making machine

1. The soil content of the sand making machine raw materials: The soil
content in the raw materials is closely related to the viscosity and the
particle size of the finished product of the sand making machine. The soil
content is high, the viscosity is high, and the finished product particle size
is coarse. At this time, the amount of water can be appropriately increased to
obtain the appropriate fineness. If the soil content of the raw materials is too
low, the mortar density needs to be appropriately increased to prevent too much
fine powder in the finished product produced by the sand making machine.

2. The density of the material processed by the sand making machine: When
other conditions are fixed, the density and viscosity of the raw materials are
inversely related. The lower the density, the higher the viscosity, and the
fineness of the finished product is easy to become coarse; the higher the
density, the lower the viscosity, the fineness of the overflow product becomes
finer, and the fine powder content increases. Therefore, the sand making density
should be increased when processing high-density raw materials with a sand
making machine, and the sand making density should be reduced when processing
low-density raw materials.

2. Structure of sand making machine

1. Slot inclination of sand making machine: Slot inclination has a
significant impact on the sand discharge sedimentation area, slurry turbulence
and overflow product quality. When the inclination is small, the sedimentation
area is large, the slurry turbulence is low, the overflow fineness is fine, and
the finished product of the sand making machine has more fine powder. As the
inclination increases, the sedimentation area decreases, coarse particles are
easy to slide, the slurry turbulence changes, and the overflow fineness becomes
coarser.

2. The height of the lower weir of the sand making machine: The height of the
lower weir of the sand making machine can regulate the sedimentation area. As
the height increases, the sedimentation and sand discharge areas increase, the
turbulence effect of the impeller on the slurry is weakened, and the overflow
fineness becomes finer. On the contrary, if you want to get a coarser overflow
fineness, reduce the height of the sand making machine overflow weir, reduce the
sedimentation area, and enhance the turbulence effect of the impeller on the
slurry.

3. Operation method of sand making machine

1. Slurry density of sand making machine: Slurry density is an important
regulating factor in the operation of sand making machine. When the slurry
density is low, the overflow fineness is good; as the slurry density increases,
the overflow fineness also becomes coarser. In the actual production process,
for the sand making machine that processes specific ores, an appropriate slurry
density should be used. When the slurry density is appropriate, maintaining an
appropriate sand making particle size can obtain the ideal production capacity;
maintaining an appropriate productivity can obtain the required screening
particle size.

2. The feed amount of the sand making machine: When the slurry density is
constant, if the feed amount of the sand making machine increases, the slurry
flow rate increases accordingly, and the overflow fineness becomes coarser.
However, as the feed amount decreases, the overflow fineness becomes finer, and
the fine powder content in the finished product of the sand making machine also
increases. In this case, the feed amount of the sand making machine should be
appropriate and stable to ensure the normal operation of the sand making machine
and achieve the ideal sanding effect.