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Hammer mill also named hammer crusher or hammer girnding mill, hammer grinder machine is applied to broken crisp, hard surface water that is not more than two percent, not more than 150 Mpa compressive strength of the various materials.
The hammer mill is applied to coal, metallurgy, building materials, chemicals, and electric power departments or broken in the chronology of coal gangue, limestone, p. stone, feldspar, gypsum, coke, brick, gravel, salt and parathion, limonite brick , in a light aircraft compact, and hammer mill has characteristics of simple structure and easy operation and maintenance,high broken ratio, the less crushing, product uniformity and small size, high capacity, low-power characteristics.
Hammer mill is one of the main equipment for intermediate and fine crushing the brittle materials with less than intermediate such as limestone coal and other used in metallurgy, building material, chemical and water - power industry, with a feature of big crushing ratio and even product graininess.
The hammer mill crushes by the collisions between high-speed hammer and materiasl,and the hammer crusher (hammer mill) features are in its simple structure, high reduction ration, high efficiency, etc. The PC hammer crusher (hammer mill) were developed for both dry and wet crushing of brittle, medium-hard materials for the mining, cement, coal, metallurgic, construction material, road building, and petroleum & chemical industries.
1.The cost of investment is low. In the same level degree of fineness situation, investment is few compared to the jet mill, the cost is low, the recycling cycle is short.
2.Three-Ring & Medium-Speed MicroPowder Mill has high efficiency and low cost. Its capacity is raised by 45% compared with airflow mill and mix mill on the condition that the materials, the drive and the fineness of the final powder are the same.
3. Vulnerable loses is low, all vulnerable uses the domestic and foreign high quality anti-friction materials, the vulnerable service life is longer than the ordinary pulverizer equipment,generally may above one year
4.There is no rolling bearing and screw in the grinding cavity, so as to avoid the damage to the machine caused by tear & wear of bearing and seals and the looseness of screws.
5.The fineness of powder can reach 5μm with d97 once.
6.No pollution.it uses the highly effective pulse dust remover, in the complete process there is no pollution, it disposes the damper and the deafen room which can reduce the noise.we produce completely according to the national environmental protection standard, and it plays an important role in environmental protection.
7.The price is only one eighth of that of air current mill, under the same capacity and same size of final product, while its application range is larger than air current mill.
8. The pressure from rollers to materials is increased by 800-1200Kg with the function of high pressure spring, and the power consumption is one third of air current mill.
9.The feeding size is big, and the size of final product can reach < 6.5um super fine powder directly.
10.The eclipsedform multipole seal device keeps the mills in good airproof condition.
11.Non-bearings and non-bolt in the grinding chamber. Because of this, these questions destroying the machines can never exist for bearing, sealing element or the bolts loose.
In the hammer mill machine, the motor drives the rotor rotate at a high speed through the belt, and on the rotor there are series hammers. When the materials get into the working area of hammers, the rotating hammers with high rotation speed are crushing them, the products which are crushed to meet the required size can be discharged by the outlet and become the final products, the large size products are brought back to the crushing area by the hammers for being re-crushed until they reached the required size.