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Limestone processing equipment


What is Limestone:

The main component of limestone is calcium carbonate (CaCO3) that used as a building material of many important industrial raw materials. It is an extensive use of resources in China is and very widespread. Limestone can be used as a coating material and tile adhesives and directly processed into stone and fired into a mixture of quicklime. Mixing with clay, and get the cement by high temperature; and mixing with quartz sand and soda ash, through high temperature melt obtained glass. Iron making using limestone for menstruum, remove the gangue and steelmaking use slag material with lime to remove sulfur, phosphorus and other harmful impurities. Calcium carbide made by lime and coke in an electric furnace, prepared by the reaction; limestone burning process into more pure powdered calcium carbonate, used as a filler in rubber, plastics, paper, toothpaste, cosmetics, etc..

Processing technic

Limestone Processing technic Limestone as an important building material has a long history. In modern industry, limestone is the main raw material for manufacture of cement, lime, calcium carbide, and so on.

XSM specializing in the production of limestone processing equipment, and have many years of manufacturing experience in the production of limestone crusher, limestone mill. At the present time it has been used successfully in a number of limestone production line.

We have advanced technology engineers of limestone crushing mill and set of limestone crushing mill system can be designed according to user requirements, provide the preliminary design and consultation, design and installation, including the limestone crushing mill system commissioning, trial production, training of workers in a set of comprehensive pre-sale, the sale process.

This set of equipment operating is stable and reliable performance, process simplification, simple structure, easy maintenance, large capacity, long life, the customer's overall efficiency and high return on investment.

The necessary equipment:

Limestone Jaw Crusher for large complex tilting what is the successful experience of similar products at home and abroad. The crusher is our company specially designed for the industrial sectors of mining, smelting, building material, highway, railway, water conservancy quarry and road building. The product specification is complete, feed particle size from 120-1200 mm and crushing the material compressive strength of up to 320Mpa what is complete crushing production line of choice for primary crushing equipment. The structure of the jaw crusher main include frame, eccentric shaft, pulley, flywheel, moving jaw, side guard plate, toggle plate, back seat of the bracket, adjust gap screw, reset spring, fixed jaw plate and movable jaw plate and other components, of which bracket also play a role in insurance. Material with high strength manganese steel and molding casting that have the advantages of abrasion resistance, compressive strength, long life.

limestone jaw crusher

This series of Jaw Crusher is based on motor power, through motor pulley, by the triangle belt and slot wheel drive eccentric shaft, make the movable jaw for reciprocating movement to a predetermined trajectory, which will enter the fixed jaw plate, movable jaw plate and side retaining board the crushing cavity composed of the materials to be broken, and the finished material discharged through the lower part of the nesting population. It is mainly applied to the fragmentation of large, medium and small stones and objects. Compare to other crusher it has the characteristics of big crushing ratio, uniform particle size; simple structure, reliable operation, low operating costs and stand-alone energy-saving 15% to 30%, more than double the system energy; low noise, less dust; discharge mouth adjustment range. These advantages can meet the different user requirements.

limestone Impact Crusher

Limestone impact crusher

The limestone Impact Crusher is a kind of break machine that use impact energy to break the materials. When the machine working, driven by the motor, the rotor high-speed rotation, the material into the active region of the plate hammer, Impact Crusher board hammer on the rotor, and then was thrown to the counter-attack on the device again broken, and then from the counter Liner bounced back into the active region of the plate hammer to re-broken, this process is repeated, the material descending into one, two, three, repeated crushing counterattack cavity, until the material is broken to the desired particle size, from the discharge port. Adjustment the gap between the counterattack frame and the rotor can be achieved the purpose of changing the material's grain size and shape. The family of devices capable of handling the particle size not greater than 500 mm, the compressive strength of different kinds of materials does not exceed 360 MPa. It has the characteristics of big crushing ratio, high crushing efficiency and easy maintenance. The Impact Crusher for its excellent performance and good performance has been widely used in highway construction, hydraulic engineering and construction gravel processing.

The limestone Impact Crusher has these advantages: 1. Multi-cavity evenly broken that is suitable for crushing hard rock; 2. Low feed port that to facilitate the production line layout and increase the feed size; 3. New wear-resistant materials board hammer, counter board and liner have long life; 4. High chromium plate hammer and unique counterattack linings that especially suitable for hard rock crushing; 5. Hard rock crushing, energy efficient; 6. All the whole board structure makes discharging present a small particle size and cubic form, no inner lines; 7.The product shape is cubic, and particle size adjustable discharge; 8. Simplify the crushing process; 9. Hydraulic opening that ease of maintenance and replacement of wearing parts; 10.Big feeding mouth, high crushing chamber that adapt to high material hardness and block degree, the product powder is small .

Limestone cone crusher

Limestone cone crusher Limestone cone crusher is mainly composed of rack, transmission, air eccentric shaft, bowl-shaped bearing, crushing cone, part of the adjusting device, adjust springs and adjust the port of discharge with hydraulic station. When the cone crusher working, the motor through the horizontal axis and a pair of bevel gear motor drives the eccentric sleeve rotation, crushing cone axis line of the forced move of the eccentric sleeve rotary pendulum movement, making the surface of the broken wall sometimes close to sometimes leave the rolling acetabular wall surface, which makes the mineral in the crushing cavity by squeezing and bending then were broken.

The limestone Cone Crusher features: 1, This machine uses material layered select broken. Crushing chamber to fill the feeder, and a full range of extruded material to withstand the crushing chamber play a broken cut and rub, and since broken the purpose of crushing chamber wall to avoid direct contact, effectively prevent the liner wear each other and to avoid material pollute by metal pollutants, crushing ratio is generally more than other similar devices. 2, The machine crushing ratio increased, the product size arbitrariness is strong and the size can be adjusted. 3, The aircraft's technical performance indicators of stability, the product particle size is almost nothing to do with the liner wear. 4, The operation and installation is convenient and easy . As the machine using the second isolation, small foundation vibration and low noise, and without huge installation base and anchor bolts. 5,The good iron performance. Due to without the rigid connection between the movable cone and the drive mechanism in the material mix can not be broken objects, moving cone to temporarily stop the movement, the exciter will be around to move the cone axis continues to rotate, thus greatly reducing the incidence of failure. 6, The machine has unique design that simplify the process of comminution and reduce the number of units of auxiliary equipment. The machine is full of feeding, no special feeder, can be at full capacity to start and stop.

Limestone sand making machine

Limestone sand making machine Limestone sand making machine has these characteristics :1. Large handling capacity and high yield-50-500t / h that compared with the same power under the traditional equipment, the production increased by 30% and stable. 2,the vulnerability of the low consumption- the best crushing chamber material impact angle design, less the friction of wear parts, 30% lower operating costs than traditional equipment, directly reduce the cost of equipment use. 3, The product particles shape is excellent - the product is cubic and grain shape is good, gradation reasonable and fineness modulus is adjustable; particularly suitable for artificial sand and stone shaping. The practice has proved that this machine compare to other traditional devices, the plastic surgery was improved by 30%. 4, Automatic detection, safe and reliable - set the vibration display and alarm device. If the device is a bad operation, it can issue a warning device to stop working to achieve the purpose of protecting the machine. 5, Easy to install and operate - the equipment has light weight and it has various installation. Installation, repair and maintenance simple and easy to operate. 6, Thin oil lubrication, automatic maintenance - the German original of thin oil lubrication station and complementary pairs of pump to ensure fuel supply. When no oil flow and no oil pressure the automatic is shutdown. 7, A machine multi-use and application flexible - the unique feeding crushing structure with a variety of crushing cavity type, can be very easy to achieve "stone fight Stone" and "stone strike iron" of conversion, which solved the problem of multi-usage. 8, Hydraulic equipment, easy maintenance - hydraulic openings device, so that the crushing cavity parts repair and replacement are quick and easy that short the downtime and save time and effect. 9, The international quality assurance - the latest German technology, advanced riveting technology and automotive technology, the appearance of sand-blasting treatment and painting process applications, greatly improve the inherent quality and appearance quality of the equipment. 10, Focusing on environmental protection - the sand making equipment has little noise and no pollution. The unique air circulation system that greatly reduce the amount of outside ventilation to reduce dust, and beneficial to the environment. In addition, the sand making machine reserved suitable for installing a variety of specifications dust removal equipment.

Limestone Raymond Mill

Limestone raymond mill Limestone Raymond Mill is a new, highly efficient, closed loop for high fine powder equipment. The Raymond Mill is adapted to small and medium-sized mining, chemicals, building materials, metallurgy, refractory materials, pharmaceuticals, cement and other industries. Raymond Mill of Shanghai Xuanshi Machinery Co., Ltd. after many years of practice and continuous improvement, its structure has been improving. It has been widely used in barite, calcite, potash feldspar, talc, marble, limestone, dolomite, fluorite, lime, activated clay, activated carbon, bentonite, kaolin, cement, phosphate rock, gypsum, glass, insulation materials, etc that Mohs hardness of not more than 7 and humidity less than 6 non-explosive minerals, chemicals, construction and other industries to over 280 kinds of material for high fine powder generation and processing. The final endpoints can be adjusted within the range of 80-325 mesh, of which part materials up to 600 mesh, through the analysis of machines and fans together to meet the requirements of different users.

The whole structure of Raymond Mill by the host, analysis, piping device, blower, according to user needs can be equipped with a crusher, hoist, electromagnetic vibrating feeder, electric control motor and other components. Compare to similar products in the same industry it has the following advantages: 1, three-dimensional structure, small footprint, complete sets of strong; 2, refined powder fineness; 3, transmission smooth, reliable operation; 4, the whole high wear resistance, long service life; 5, centralized control, achieve unmanned operation basically.

limestone High Pressure Suspension Grinding Mill

Limestone High Pressure Suspension Grinding Mill The limestone High Pressure Suspension Grinding Mill is Shanghai xuanshi Machinery Co., Ltd. from many engineers engaged in R & D experience of the mill for many years and combined with the actual situation of many customers use milling equipment for the milling industry, according to the development needs of grinding industry, which has developed international grinding industry efficiency and low energy consumption in the new era. High Pressure Suspension Grinding Mill is mainly composed by the host, the fine analysis machine, Blower, finished whirlwind plot of powder, bag filter and link the wind pipe. According to user needs it can also be equipped with auxiliary equipment such as crusher, storage silo, electromagnetic vibrating feeder and electrical control cabinet.

High Pressure Suspension Grinding Mill performance characteristics: 1.A unique design that compared with other mill output increased by 20-30% in the same dynamic conditions, the grinding roller grinding pressure of the material is increased in the high-pressure spring under 800 - 1200kg; 2. The materials that Mohs hardness of less than 9.3 mineral can be processed grinding; 3,The final endpoint has a wide range of particle size, the most coarse particle size of up to 0.613 mm (30 mesh) and generally up to 0.033 mm (425 mesh) and the small number of materials' particle size can get up to 0.013 mm (1000 mesh); 4, The effect of dust removal fully meet the national standards for dust emissions; 5, The analysis of machine is easy to adjust;, 6. Grinding device with use of overlapping multi-level seal has a good seal performance.

Limestone Jaw crsuher Applications:

Limestone application

The use of limestone

(1) The most common is the production of portland cement that generally limestone through crushing, grinding and able to meet the requirements of the cement raw materials. With the acceleration of national economic construction, cement industry has developed rapidly, and it is estimated that the domestic cement industry will need a lot of limestone in the next few years.

(2) Production of high-grade paper with a coating level of heavy calcium carbonate products. This products of such high value-added fine, superfine and heavy calcium carbonate in the papermaking process is very broad, general particle size after crushing - 2m ≥ 90% for neutral sizing papermaking process; - 2m diameter of ≥ 50% of the main fillers for coating paper.

(3) Production of desulfurization sorbent: limestone broken to 0 ~ 2mm, which +? 2 mm <5%, 0 ~ 0 of 45 mm> 50% of the powder instead of the original lime or hydrated lime mixed with water in the absorber mixing a slurry, absorbing the slurry and flue gas contact with mixed sulfur dioxide in the flue gas with a slurry of calcium carbonate as well as air into the drum of the chemical reaction is removal of the final reaction product is gypsum flue gas desulfurization by heating to heat up the rear into the chimney.The processing equipment is maturity, high desulfurization and efficiency and it has a wide range.

(4) Production of machinery manufacturing with casting sand. Limestone cast sand degrees for 28 to 75 mesh, this sand has better performance than quartz sand that good collapsibility, and easy shakeout cleaning. Improve the quality of the casting surface, increasing casting surface finish, and elimination of the hazards of workers silicosis basically that is a potential market for the limestone of the metallurgy industry.

(5) As a filler in plastics and coatings production process, etc. In the production process for these products raw materials, natural calcium carbonate minerals, namely limestone that require containing CaCO3 (dry basis): superior grade 9810% 9610% of the first grade and the second product 9.41 thousand of Fe2O3 ≤ 011%, Mn ≤ 0102% of Cu ≤ 01 001%, the whiteness of more than 90. In addition, the average particle size of 10 ~ 15m fine ore used as a paint filler, -10m as plastics and rubber paper fillers and -5m by the activation of processing made after the ink filler.

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