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SHUANGFENG DATANG METALLURGICAL MACHINERY CO., LTD.

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Wear-resistant products in the use of problems, whether there is full guidance and after-sales

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Datang metallurgy -

High-quality supplier of mine wear-resistant industrial and mining spare parts

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Datang Metallurgy has more than 10 years of production experience

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15000

The annual output of Datang metallurgy is more than 5000 tons, with 2 professional production lines and 4 Modern factories.

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Datang Metallurgy has a professional after-sales team, providing 24-hour, all-weather and year-round after-sales service.

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Up to now, the company has more than 2000 partners. The mine wear-resistant parts produced by the company have been unanimously recognized by customers.

2000

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Construction Process of Sand Production Line
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1. Survey site The production of sand and gravel materials should be near, limited by resources and transportation conditions. Outside the safety scope of mine blasting, the production line should be built near by considering the transportation cost of raw materials and finished products. The object of investigation is mainly the geographic location and available resources of sand field, and the location of production line construction is roughly planned. The transportation distance of the selected site should not exceed 60 km in order to avoid additional transportation costs, and the shallow overburden of the mine, the conformity of physical and chemical indicators, stability, large reserves and convenient transportation are required. 2. Designing sand technological process Sand making process is designed to be three stages of crushing, i.e. primary crushing, medium crushing and fine crushing. The granite ore is transported to the unloading platform of the crushing workshop, and the granite with particle size less than 800 mm is transported by the vibrating feeder with sieving device; the granite with particle size less than 150 mm falls directly onto the belt conveyor and enters the primary stacking yard; the material with particle size larger than 150 mm is crushed by jaw crusher, and the crushed material is also transported to the primary stacking yard. After pre-screening by vibrating screen, materials less than 31.5mm are screened out directly, and materials with particle size larger than 31.5mm are crushed into impact crusher. After crushing and screening, materials with particle size larger than 31.5mm are further crushed into impact crusher. After crushing, materials with particle size larger than 31.5mm are screened into three layers of circular vibrating screen, which are divided into three specifications: 0-5mm, 5-13mm and 13-31.5mm. Material. The primary crushing equipment is jaw crusher, the intermediate crushing equipment is impact crusher and impact crusher, three crushers and screening workshop together constitute a closed-circuit production process. 3. Storage of finished products Three kinds of granite aggregates with different grain sizes are transported into three 2500 t round storehouses by belt after being qualified by crushing and screening.
Advantages and Disadvantages of Lattice Ball Mill and the Function of Main Parts Lattice Plate
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Lattice ball mill is the key equipment for crushing materials after they are crushed. Ball mills are widely used in cement, silicate products, new building materials, refractories, fertilizers, black and non-ferrous metal mineral processing and glass and ceramics industries. They grind all kinds of ores and other grindable materials dry or wet. Lattice ball mill is used to grind various ores and other materials. It is widely used in mineral processing, construction and chemical industry and other sectors of the national economy. The function of lattice plate of lattice ball mill is: Lattice plate is a special part of lattice ball mill. It is composed of central lining plate and dustpan lining plate. Its main functions are: (1) Implementing forced ore discharging (low level ore discharging) of grinder with fast ore turnover and light grinding is conducive to improving the ability of grinder. (2) play a screening role to prevent the discharge of large ore and grinding medium. The lattice hole of the lattice board should meet the requirements of smooth discharge and not easy to block. Lattice holes are arranged in many ways: (3) Concentric arrangement, flow of pulp along the lattice, serious wear of lattice hole, easy reflux of pulp. (4) Arrangement of radiation, mineral particles through the grid plate instantly by centrifugal force, moving outward along the hole, easy to cause blockage. (5) Inclined arrangement, which overcomes the shortcomings of concentric and radiative arrangement, has been widely used. The advantages and disadvantages of lattice ball mill and overflow ball mill are as follows: The advantage of lattice ball mill is that it can discharge ore quickly, reduce the overcrushing of crushed stone, and increase the output per unit volume, which is higher than that of overflow ball mill. Its disadvantage is that its structure is complex, it is easy to block the lattice board when discharging ore, and its overhaul is difficult and complex, and its operation rate is relatively low. The overflow ball mill has the advantages of simple structure and convenient maintenance. Because the discharging pipe has reverse threads, large ore and steel balls are not easily discharged from the mill. The disadvantage is that the production capacity per unit volume is low and it is easy to produce over-comminution.

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