What Is The Optimal Selection Of The Crusher
The characteristics of raw materials required for the cement production differ at a wide range
. The limestone deposits used today as base material, show very different properties regarding hardness, abrasiveness and stickiness. To optimize the crushing process as well as the investment and operating costs, different types of crushers are available. To make a proper selection, several important points should be considered in advance.
The very first step should always be an analysis of the quarry, and especially the characteristics of the raw material. Of prime importance is the hardness of the material to be crushed. To describe this property the compressive strength, the Los Angeles Index or the Mohs Hardness should be determined and a point load test should be carried out.
Recently, several mobile crushing plants made by Hongxing Mining Machinery are successfully sent to Sri Lanka. This is not the first time for the export of crushing equipment, but this large-scale export of mobile crushing equipment fully proved mining machinery manufacturing technology of Mining Machinery has been recognized by international customers. This is a show of the strength of Hongxing Mining Machinery and it makes the domestic technical development of machinery industry once again proven.
After a long investigation and practice, Henan Hongxing Mining Machinery has developed and launched the efficient and environmentally friendly construction waste disposal equipment -
mobile crushing station. In modern society, nothing can do without mechanical equipment. As a developing country with a vast territory and a large amount of population, housing and transportation become one of the most important issues. However, at present, the housing and transportation in China cannot meet the demand of people and the development of society. Therefore, Chinese government vigorously develops construction industry to meet the demand of people, and then develop the economy to meet the demand of society.
The abrasiveness of the material has to be described by its Silica and free quartz content, as well as the abrasion index. Just as important is an expression of the stickiness. For this reason the moisture, the clay content and, in very difficult applications, the handling coefficient (shear test) has to be ascertained. Based on this data an overview of the selection criteria allows a pre-choice of the required crusher.
Generally speaking, the building stones are the most important part in construction industry. Without the building stones, the construction cannot exist any longer. However, the mountain stones are huge and hard. It is impossible to make the mountain stones into building stones with hand crushing. Therefore, the
rock crusher, aiming at crushing the stone, becomes the right arm for construction industry.
The silica content is an important issue to be considered before using Jaw Crushers or Impact Crushers. Due to the high speed of the rotors, the crushing tools are vulnerable to wear.
The limit for these machines is 8-12% silica content. Before making a final decision, the abrasiveness of the raw material has to be analyzed very carefully to avoid suffering from high maintenance costs. If the silica content is above mentioned values, a crushing system with a small speed difference between the material to be crushed and the crushing tools should be used.
Hongxing Machinery Co., Ltd. has been engaged in the development and production of the crusher for many years; relying on rich production experience, we introduce a series of crusher equipment such as jaw crusher, impact crusher, hammer crusher, cone crusher, grinding equipment and complete sets of production lines, which popular in the power plants, building materials, grinding industry and other fields by dint of its novel structure, low energy consumption, high efficiency and environmental protection advantages.
VSI sand maker : http://www.crusher-export.com/sand_maker.htm
Dryer machine : http://www.mine-crusher.com/dryer.htm
by: libby
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