International Gap Of Vertical Shaft Impact Crusher
International gap of vertical shaft impact crusher
As a breaking model developed in the 1980s, impact crusher has been widely used in gravel pits, and recognized as the most effective sand making equipment, usually straight called sand making machine. The vertical shaft impact crusher impeller diameter as the criteria for the classification of the specifications of the impeller in the form is divided into open and closed. The shell is equipped with a back plate can be divided into two kinds of stone to stone and stone blacksmith broken way, which are grouped into four basic forms. From the international point of view, the advanced technology of vertical shaft impact crusher is reflected in three aspects: the flexible mechanical properties, excellent wear-resistant material and part design, effective dust control. On the domestic market is concerned, at least the first two are common.
(A) technical performance
Foreign companies have the impeller diameter of 1.6m, matching motor power up to the the 1103kw equipment, suitable for a variety of large production line, domestic vertical shaft impact crusher specifications rarely more than 1.2m.
The advanced impeller channel 3-7, a different structure and different speed with to adapt to different materials and feed grain to achieve a higher amount of sand and the fineness modulus not, but domestic closed rotor is basically a fixed four channels, very few changes, so the poor adaptability to different working conditions.
(B) of wear-resistant material and part design
International manufacturer of professional vertical shaft impact crusher has generally ceramic production of wear parts, not just the carbide (WC) and high-chromium cast iron.Ceramic materials not only can withstand higher temperatures, but particularly good corrosion resistance, good wear resistance which the high-speed impact of a material with a considerable temperature. , The vertical shaft vertical shaft impact crusher currently used cemented carbide and high-chromium cast iron materials, inconsistent quality, corrosion and wear, and susceptible to metal parts crushed gravel pits of broken equipment at home and abroad gap significantly. Therefore, the domestic high-end market, such as large-scale gravel pits still imported equipment accounts for the majority.
Broken machinery gap arises at home and abroad which market demand is an objective reason for the gap on the international market of crushing equipment manufacturer in Europe and North America, where large-scale capital construction phase of the past, the market aggregate the demand is not high and the environmental requirements, is bound to form a gravel pit. a high concentration of large-scale production to achieve environmental protection, help required for broken equipment specifications, automated process Imagine mobile. Meet the market demand for the development of crushing equipment and domestic products are quite different, and we are in a large-scale capital construction period around the surge in demand for aggregates, causing investment gravel pits hot gravel pits everywhere tend to scale small, just launched faster, less investment in short supply in the market to make shoddy, low levels of technology, high energy consumption and serious pollution of the environment have access to these devices is often only at a low price to capture the market, so with the international advanced level gap is obvious. At home and abroad broken equipment gap, but the broken equipment manufacturers Throughout foreign shrinking domestic market, high production costs, have to open up the market outside the country, and as the traditional industries and new investment in funds and personnel very less, therefore, in recent years, frequent mergers and reorganizations, and this situation to the domestic crushing machinery manufacturers great opportunities for development, after all, lower manufacturing costs in China, there are good heavy industrial base through the introduction of international advanced technology, production science research and development investments that will overcome the technological gap, so that our crushing equipment better access to domestic and foreign markets.
With its high quality products such as
Stone production line,
Shaking concentrator,
Cement mill,
Raymond mill,
Impact crusher, Henan Hongxing mining machinery Co.Ltd has ascended in the front rank of the world in the exporting of mining equipments.
by: nicole
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