At present, the main models of domestic and international water conservancy engineering crushing processes mainly include cone crusher , jaw crusher , counter crusher , gyratory crusher, rotary disc sander and rod mill, etc., which are mainly used to prepare sand and gravel aggregates. . The cone crusher and the gyratory crusher are heavy equipments with large investment scale; the crushed material of the jaw crusher has high needle-like content and serious structural damage; the rotary sand mill has limited feed size and small crushing ratio; the rod mill It is more suitable for wet production; the above models are difficult to meet the technical and economic requirements of asphalt concrete ore crushing. Therefore, in order to produce minerals that meet the standards, Yuda has developed a crusher and vertical impact crusher. The machine combines to form an effective way of the crushing process of the mineral material. From the working principle of the crusher and the actual use of the project, the impact crusher and the vertical impact crusher are mature models, which have the dual functions of impact crushing and grinding. They are generally used for crushing limestone , with large crushing ratio and high crushing efficiency. The product has good particle size, the particle size can be directly regulated, and the structure damage of the aggregate is small. The new technology of counter-crusher and the development of new products have played a positive role in the high-configuration requirements of mineral processing equipment. Crusher in the Section of Hydraulic Engineering and building materials industry has been widely used in the metallurgical industry applications are more common, can significantly reduce the content of needle-shaped particles, impact crusher in a foreign country is a very mature product, applications are more widely In recent years, China has developed this type of machine, which is mainly used for crushing ore in cement plants. It has also been successfully applied in water conservancy projects. Its remarkable feature is that it is suitable for the production of fine materials, so that the materials have good grain shape. At present, the main models of domestic and international water conservancy engineering crushing processes mainly include jaw crushers, counter crushers, cone crushers, and sand making machines, which are mainly used to prepare sand and gravel aggregates. The cone crusher is a heavy-duty equipment with a large investment scale; the crushed material of the jaw crusher has high needle-like content and serious structural damage; the sand mill has a limited particle size and a small crushing ratio; the above models are difficult to meet the asphalt concrete mine. The technical and economic requirements for material crushing, therefore, in order to produce a mineral material that meets the standard, an effective way of combining the crushing crusher with the vertical impact crusher to form a crushing process of the mineral material has been developed. From the working principle of the crusher and the actual use of the project, the impact crusher and the vertical impact crusher are mature models, which have the dual functions of impact crushing and grinding. They are generally used for crushing limestone, with large crushing ratio and high crushing efficiency. The product has good particle size, the particle size can be directly regulated, and the structure damage of the aggregate is small. The processing characteristics of mineral materials are that the hydraulic asphalt concrete requires that the processed mineral materials not only have a rough surface, the needle-like content is low (<10%), the grain shape is close to a square shape, and the processing technology is required to produce a suitable amount of powder. Fine materials, obviously, these requirements are more stringent than the SD207-82 specification, which puts higher requirements on the crushing process.

The coarse broken jaw crusher (smashed) is a high-efficiency and energy-saving crushing equipment that Yuda has developed through the successful experience of similar products at home and abroad. Among them, the large and medium-sized jaw crusher is one of our company's fist products, especially in the design and production of large jaw crushers, which are at an absolute leading level at home and abroad. (Smashed) It is mainly used for medium-sized crushing of various ores and bulk materials. It can crush materials with compressive strength not more than 320Mpa, and it can be divided into coarse and fine. This series of smashed product specifications, its feed size is 125mm ~ 750mm, is the primary equipment for primary crushing.

Jaw Crusher Operating Environment: In the process of breaking huge stones into small stones, the first crusher is often referred to as the “main” crusher. It is also the longest and strongest stone crusher in history. In order to break the feed, the material is poured from the top inlet into the crushing chamber containing the molars. The molars force the material to the wall of the chamber with great force, breaking it into smaller stones. Supporting the movement of the caries is an eccentric shaft that runs through the fuselage frame. Eccentric motion is usually produced by a flywheel that is fixed at both ends of the shaft. Flywheels and eccentrically supported bearings often use spherical roller bearings, and the working environment of the bearings is extremely demanding. Bearings must withstand large shock loads, abrasive water and high temperatures. Despite the extremely demanding working environment, the rough break jaw crusher still needs to work very reliably, which is a key part of ensuring production efficiency.

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