is a common stone in sand and gravel factories. Because of its moderate hardness and wear resistance, it is mined by many sand factories for processing, crushing and sand making. The resulting sand and gravel aggregates can be used in construction and are widely used in highways. , high-speed railways, rural roads, construction sand and other fields, calcite is an ideal material for the construction industry. Calcite
is also an important source of calcium carbonate powder
. Calcium carbonate powder made from calcite can be widely used in artificial stone, artificial floor tiles, natural rubber, synthetic rubber, coatings, plastics, composite new calcium plastics, cables, paper, toothpaste, cosmetics, It is used as filler in glass, medicine, paint, ink, cable, electrical insulation, food, textile, feed, adhesive, sealant, asphalt, building materials, linoleum building supplies, fireproof ceiling and daily chemical products.
So how to choose calcite crusher and calcite grinding mill?
The choice of calcite crusher / what crusher is better for calcite?
What is the quality of calcite crushing and sand making? The quality of calcite crushing and sand making has a lot to do with the crushing and processing equipment, and only after scientific and reasonable processing and crushing can not only give play to the value of calcite itself, but also improve its quality and become a gravel bone with excellent particle gradation Let's take a look at what kind of crusher is used to process calcite?
There are many types of crushers that can crush calcite. The specific crusher needs to choose different machines according to the size of the calcite. In addition, the output requirements of each user for crushing calcite are different, resulting in different calcite crushers. The following It is a common centralized calcite crusher.
1. Jaw CrusherJaw crusher
is mainly suitable for the head crushing treatment of all kinds of sand and gravel materials, known as the "Tiger's Mouth". are used.
2. Impact crusherImpact crusher
adopts relatively refined rotor and cavity type, and has a large crushing ratio, which is suitable for medium and fine crushing of low-hardness and brittle materials; its crushing effect is good, and the crushed materials meet the market demand.
3. Cone CrusherCone crusher
is often used for medium and fine crushing of materials with high hardness, and its hourly output is also large, up to 2130 tons; the structure is simple, the reliability is strong, easy to maintain and operate, and the use cost is low; it adopts a variety of cavities Type design, can also crush materials to different degrees.
4. Hammer Crusher
One-time forming of stone without secondary crushing is a major feature of Hammer Crusher
, which can reduce the cost by about 40%, low energy consumption, low investment, and the finished material can be adjusted according to needs, with complete specifications of coarse, medium, fine, and no flakes. , No smooth body, multi-angle multi-edge to ensure compressive strength.
In addition, there are mobile crushers, double-roll crushers, single-stage crushers, fine crushers and other equipment that can also be used to crush calcite.
The choice of calcite grinding mill
1. Raymond Mill
Raymond mill can process materials with Mohs hardness below 7, the moisture content of the material is required to be below 6%, the fineness range of the finished product is 0.8-0.045mm, and the processing capacity is 0.8-9.5 tons per hour.
The material below 20mm is sent to the feeding hopper by the bucket elevator. The feeding hopper sends the material into the grinding chamber and falls on the grinding ring. The continuously rotating grinding ring gives the material a centrifugal force to move it to the outer circle. , into the grinding range of the grinding roller.
After grinding, the material falls from the edge of the grinding ring, is blown up by the hot air sent by the blower, and is separated by the cyclone separator. The qualified material leaves the grinding chamber, and the unqualified material falls back into the grinding ring.
2. High pressure micro powder mill
The high-pressure micropowder mill is an advanced version of the Raymond mill, which grinds materials by the extrusion force generated by the opposite rotation of two horizontally installed extrusion rollers. After the material enters the grinding chamber, the closed material layer moves downward under the action of gravity. During the movement, it is pressed into a cake by the pressure of the extrusion roller, and the cake contains a large amount of fine powder.
The feed particle size of the micropowder mill is below 15-25mm, the finished product particle size is 0.125-0.010mm, and the production capacity is 0.2-12 tons per shift.
3. Ultrafine grinding millUltrafine grinding mill
also named three-ring/four-ring ultra-fine grinding mill. It grinds the material repeatedly through multiple loops to obtain ultra-fine powder efficiently.
The main part of the ultrafine grinding mill is composed of the main engine, the reducer, the analyzer, the fan, the bypass powder collector, the maintenance platform and the electric control cabinet. The auxiliary machine part consists of jaw crusher, bucket elevator, electromagnetic vibrating feeder, storage bin and so on.
The material enters the equipment, is thrown to the edge of the turntable, falls into the grinding chamber, and undergoes multiple grinding to become powder. The fan pulls the ground powder away, which is controlled by the powder concentrator. The powder that does not meet the requirements is returned to the machine cavity and ground again to become finer. The powder that can pass through the powder separator is the finished product, and the pulse dust collector separates the powder from the air to achieve the purpose of collection. The production process operates under negative pressure, and there is no dust spillage.
The fineness of the finished product of the ultrafine grinding mill is between 150-3000 mesh, and the output can reach up to 50 tons/hour.
4. Vertical roller millVertical roller mill
is a grinding equipment that integrates crushing, drying, grinding, grading and conveying. The grinding principle is similar to that of Raymond mill. The difference is that it can blow hot air into the grinding chamber, saving a The cost of the dryer.
The fineness of the finished product of the vertical roller mill is between 0.17-0.033mm, the model is from small to large, and the processing capacity can be from 10-40 tons per hour to 90-320 tons per hour.
5. European style coarse powder millEuropean-style coarse grinding mill
can crush all kinds of ores whose compressive strength does not exceed 320MPa. The structure of the coarse grinding mill mainly includes a casing, a rotor, a hammer head, a grate bar, etc. The materials are crushed by the impact force brought by the high-speed rotating hammer head. The humidity of the crushed material should not exceed 5%.
The feeding particle size of the European-style coarse powder mill is below 100mm, and the output particle size is 0-3mm, which can process 35-132 tons of materials per hour.
To sum up, how much the output of the limestone powder mill can reach depends on what kind of mill you use. According to the fineness of the powder, limestone powder can be divided into single-flying powder, double-flying powder, three-flying powder and four-flying powder. If you want to produce 50 tons of materials per hour, it is recommended to choose vertical roller mills and European-style coarse powder mills. Grind coarse powder with a coarse powder mill, and use a vertical mill for fine powder. For the processing of ultra-fine limestone powder, ultra-fine grinding mill is the best choice.
How to choose a calcite crusher and a calcite grinding mill depends on the specific needs: fineness of incoming material, fineness of outgoing material and output, etc. Shanghai Clirik Machinery Co, Ltd.
is a professional calcite crusher and calcite grinding mill manufacturer. CLIRIK can provide you with a complete set of calcite production solutions, from the early stage engineer's program design (which may also include plant design, market analysis), to the later door-to-door installation guidance, making you more worry-free.