Quartz stone, generally speaking, quartz stone is a new type of stone synthesized by more
than 90% quartz crystal plus resin and other trace elements. It is a large-size plate that
is pressed by a special machine under certain physical and chemical conditions. Its main
material is quartz.
Quartz is a mineral that easily becomes liquid when heated or pressurized. It is also a very
common rock-forming mineral, found in all three types of rock. Because it crystallizes at
the latest in igneous rocks, it usually lacks a complete crystal plane and is mostly filled
in the middle of other crystallization minerals.
The composition of quartz is the simplest silica, glass luster, no cleavage surface, but
with a shell-like fracture. Microcrystalline quartz is called chalcedony, agate or jasper.
Pure quartz is colorless, but presents different colors due to impurities that often contain
transition elements. Quartz is very stable and does not easily weather or change into other
minerals. According to the degree of SiO2 crystallinity, it can be divided into crystalline
quartz crystal, polycrystalline quartzite jade. Gloss: Glass luster. Color: no, white, with
a touch of gray, yellow to orange, purple, deep purple, pink, gray brown, brown, black.
Streak: white. Specific gravity: 2.65 ~ 2.66. Category: Metamorphic rock, which is
metamorphosed by sandstone.
Quartz stone powder is generally divided into coarse powder processing (0-3mm), fine powder
processing (20 mesh -400 mesh), ultrafine powder processing (400 mesh - 1250 mesh) and micro
powder processing (1250 mesh - 3250 mesh) Types of.
The first stage: broken
The ore quartz stone enters the first-stage crusher through the silo for coarse crushing, and
the coarsely crushed material passes through the belt conveyor to enter a special number control
sand machine, and the quartz stone is finely crushed to 40-80 mesh to occupy more than 60%
fineness. Save ball mill wear and increase production.
Second stage: screening
The finely divided materials are sieved into a linear sieve, and the desired 6-10 mesh, 10-20
mesh, 20-40 mesh, 40-80 mesh finished products are sieved and sold as quartz sand, and the
remaining materials are fed into the mill through a conveyor. Head warehouse.
The third stage: milling and powder selection
The material entering the grinding head bin is ground into a special ceramic ball mill through
the feeder, and the ground material is transported into the conveyor to the high-efficiency
classifier for classifying the quartz stone ultrafine powder 140 mesh, 325 mesh, 600 mesh, 1000
mesh. 1,1600 mesh. (The inlet and outlet of the ceramic ball mill are made of stainless steel,
the inner lining is made of high-aluminum ceramics, and the grinding body is made of
high-aluminum ceramics. The powder selection machine is made of stainless steel to ensure that
the materials in the production do not contain iron and ensure the whiteness of the quartz
powder.)
The fourth stage: dust removal and finished products
The mill is equipped with a pulse bag filter to collect the fine dust into the dust collector to
meet the environmental protection requirements in the production. The finished powder is
transported to the finished silo through the conveyor, and the non-standard material is returned
to the mill through the conveyor. Continue grinding to form a loop that increases efficiency.
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