Pulverizer

Abstract

The invention discloses a pulverizer comprising a shell, a rotating shaft, a bearing seat, a belt wheel, a driving motor, a top cover and a stock bin, wherein a pulverizing chamber is fixed at each ofthe upper and lower part of the shell, a blade is arranged in each pulverizing chamber, a driving rotating shaft cutter is in powered connection to a motor, and the motor is connected to a power source by a switch. A feeding hole is formed in the upper end of the first pulverizing chamber, a discharge hole is formed in the lower end of the first pulverizing chamber, a first rotating shaft and a second rotating shaft are transversely arranged in the pulverizing chambers, a first cutter and a second cutter are respectively arranged on the two transverse rotating shafts, a first filter screen and a second filter screen are respectively arranged below the cutters, and pulverized material in the first pulverizing chamber enters the second pulverizing chamber from the first filter screen. The second pulverizing chamber comprises the second filter screen, a bottom plate and a shell inner wall, the discharge hole is arranged below the second filter screen, and meshes of the first filter screen and the second filter screen are sequentially shrunk from top to bottom. According to the pulverizer disclosed by the invention, two-stage differential pulverizing is adopted, so as to realize refined smashing of material, and the efficiency is high.

Description

technical field [0001] The invention relates to the field of electric machinery, in particular to a pulverizer. Background technique [0002] The pulverizer pulverizes the large-sized solid raw materials in block form to the required size. Crusher is widely used in many departments such as mining, smelting, building materials, roads, railways, water conservancy and chemical industries. Among them, the large-scale pulverizer is mainly suitable for the grinding and processing of mineral products in metallurgy, building materials, chemical industry, mining, highway construction, water conservancy and hydropower, refractory materials, steel and other industries; while the small pulverizer is widely used in family life and the pulverization of traditional Chinese medicine. Extracting. [0003] Existing pulverizer, this pulverizer comprises the straight cylinder type pulverization chamber that front end is provided with feed inlet and rear end is provided with discharge outlet, ...

AI Technical Summary

Problems solved by technology

The following problems exist in the use of this kind of pulverizer: the material entering the feed port passes through the pulverizing chamber under the action of the centrifugal force generated by the rotation of the impeller, and is pulverized by multiple cutter heads in turn. The outer diameters of the cutter heads are the same. After being hit by the first crushing cutter head, the material is often sucked to the outlet under the action of centrifugal force before it enters the next cutter head. Because the particle size of the crushed material does not meet the requirements, it is often re- Putting it in from the feed port for re-grinding, the material crushing efficiency is low

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