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What are the advantages of vertical impact crushers based on the sand and gravel industry?
view：542 source： Time：2020-4-7
In recent years, the country's infrastructure investment has gradually increased, and key projects will be started every year, and this time has increased the demand for sand and gravel in the market. As a crusher manufacturer specialized in R&D and manufacturing of sand and gravel equipment used in construction, Lizhi Machinery is determined to create a sand making equipment that meets the actual national conditions of our country and has advanced technology-vertical impact crusher, which has become road, railway, and machine-made sand An indispensable general in production and other infrastructure construction. Vertical impact crushers have been used in the mining machinery industry for some time, and Lizhi Machinery is the first in China to put vertical impact crushers into the machine-made sand production line. Most people’s cognition of vertical impact crushers is mostly reflected in the production of sand and gravel, and they cannot fully understand the full performance of the equipment. The following editor will talk about the vertical production research and development of Lizhi machinery at the expense of The advantages of impact crusher in the production of machine-made sand.
First, the characteristics of vertical impact crusher (1) The structure is simple and reasonable, and the operating cost is low. Using the principle of rock-to-stone, the wear is small. (2) High crushing rate and energy saving. (3) It has the functions of fine crushing and coarse grinding. (4) It is less affected by the moisture content of the material, and the moisture content can reach about 8%. (5) The working noise is lower than 75 decibels (db level), and the dust pollution is less. (6) Suitable for crushing medium-hard and extra-hard materials. (7) The products are cubes with high bulk density and minimal iron pollution. (8) The impeller self-lining wear is small, and the maintenance is convenient. Second, the working principle of vertical impact crushing The material falls vertically from the upper part of the machine into the high-speed rotating impeller. Under the action of high-speed centrifugal force, it will be shunted with another part in an umbrella form around the impeller to produce high-speed impact and crushing. After the materials collide with each other, they will be in the impeller and The material between the casings is crushed by multiple collisions and frictions in the form of eddy currents, and is discharged directly from the lower part to form a closed circuit for multiple cycles, which is controlled by the screening equipment to achieve the required product particle size. Three, the scope of application of vertical impact crusher It is widely used in the fine crushing and rough grinding of metal and non-metal ores, construction aggregates, cement, refractory materials, abrasives, glass materials, artificial sand and gravel and various metallurgical slags. It can also be used in the shaping of high-grade highway pavement stones. Especially for the crushing of medium-hard, extra-hard and highly abrasive materials such as river pebble, quartzite, sandstone, basalt, silicon carbide, gold steel sand, sintered bauxite and other materials, it has more advantages than other types of crushers. Fourth, the advantages of vertical impact crusher Vertical impact crushers are designed to rely on the sudden impact between ore and hard objects like other impact equipment. Therefore, they have the same basic characteristics as other impact crushers, and their design is better than extrusion. This vertical shaft impact crusher with upper feeding and bottom driving is lighter in weight and compact in structure, which is very convenient for installation in existing or new work processes. There is a lug device in the crushing cavity, which makes the retained material have an angle of repose. The crushed material first moves upward, and then is discharged from the rotor through the material flow. The geometric structure of the ore-metal vertical shaft impact crusher improves the natural crushing effect by minimizing the number of collisions between a given ore block and other materials. |
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Tel：0570-8366662 E-mail：13017742123@163.com Address: 13 Liushan No1 Road, Hangbu Industrial Zone, Kecheng District,Quzhou,Zhejiang,China
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