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| Operation
line Introduction
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IAs
we know, it has already been a mature technology to put
diamond wire saw to cut marbles into application during
the exploit of marble quarry. However, it becomes
realistic to use diamond wire saw to cut granite during
the exploit of granite quarry with the hard &
constant work of technicians.
The traditional exploiting craft in China is the method
connected by vertical flame cutting & horizontal
explosion but it caused the more waste of resources.
Here we will compare the production cost &
technology, etc. between diamond wire saw and
traditional flame cutting.
According to the comparison, it will be a new
technological revolution of exploiting Granite quarry in
China to cut the granite used by diamond wire saw to
protect resources and exploit environmentally.
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Power,
high efficiency, safety, environment
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| Production
cost analysis comparison
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Take cutting height
10m, length 12m（120
m2）for
example
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1、
The cost of diamond wire saws: imported wire saw is
around $140/m, national made wire saw is ￥600-700/m, If
the lifetime is 8 m2/m, the
average production cost is separately $17.5/m &￥75-87.5/m.
The cutting speed is 2-4 m2/h.
the production cost of 120m2 is
separately $2100 &￥9000-10500.
The cutting gap is only 1.1cm nearly without any waste.
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2、The diesel oil consumption of flame cutting machine:
40-5-L/H, the price of diesel oil is ￥4.2/L. If the cutting speed is 1m2/h, the average
production cost is ￥168—210/m2, the total cost is￥20160-25200. And the
cutting waste width is 25-30mm, total waste is 30-36m3.
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| Technological
characteristic analysis comparison
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1、The
working principle that diamond wire saws are adopted to cut
granite is to use the cycle turning of wire saw driven by
motor to cut the granite (physical method). During cutting, we
can infuse the water into the cutting width in order to cold
the beads and get rid of granite powder. The cutting speed is
2-4
m2/h.
Cutting depth is 10-20m or more, and the cutting area can be
90 degrees (vertical angle).Cutting
method: vertical, horizontal direction, and turn
90 degrees to “cut blindly”,
which can reduce the waste of resources with only 1.1cm width.
It
is low-noisy, no-dust and safely operation , high output.
Regular quarry without internal injury, better price, etc. It
is suitable for all granite quarries.
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2、The working principle that flame cutting machine is
adopted to cut the granite is to use the streams of flames
strike and melt silicon carbide under high temperature and
high speed( 1500 degrees centigrade & 1340m/s). Recurring
to different heat expansion of minerals, the granite
can be cut through the strong powder of rock broken,
flaked off, and powder will be flowed by the air. The average
speed is 1 m2/h. the cutting depth is only 4-6m. and cutting
area can not be 90 degrees vertical angle and can leave 1-2m
half round angels. Cutting method is only vertical direction
to cut groove and create more free area.
The resources will be wasted about the width of 25-30cm
materials. There
are also many disadvantages such as high noisy, much dust,
dangerous operation, low output, irregular materials with
internal injury, low sales price,etc. It is only suitable for
the granite quarry with high rate of silicon carbide and few
gaps. So it has certain limitation.Above all, according to the
resources protection and technological analysis, it is
necessary to adopt diamond wire saw to cut granite quarry in
China.
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| Specification & performance parameter
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