Crusher is the common equipment of sand and stone industry that is often used to break large stones, and it has a lot of different types and specifications with different discharge sizes. Understanding the specifications of finished materials can provide necessary reference for users to select equipment.
The main objectives of particle size control are firstly, to make the configuration and operation of the crushing machinery layer reasonable, secondly, to reduce the proportion of needle-like and flake aggregate in finished products, thirdly, to adjust the proportion of each particle size of the finished aggregate.
In the case of smooth operation of the crusher, the particle size of the sand and stone should be controlled and the acicular and flaky particles should be reduced. The acicular particles are those whose length of the stone particles is larger than 2.4 times the average particle size of the grade to which the particles belong.
And flaky particles are those whose thickness is less than 0.4 times of the average particle size mean particle size refers to the average particle size of the upper and lower limit of the particle size. Well, how can we control the discharge sizes to produce the high-quality stones with different particle sizes of 5-10 mm gravel, 10-20 mm 14 to 12 inch gravel, and 15-25 mm 12 to 34 inch gravel that we need This article explains it in detail.
According to the crusher discharging particle size for preliminary control, there are many different types of crushers, each type of working principle is different, and the discharging control mode is also different.
The following is a detailed description of the discharge control modes of jaw crusher, impact crusher, cone crusher, hammer crusher and roller crusher.
The finished product of sand and stone production line includes not only the stone with smaller particle size, but also the stone with larger one. Sand and stone production is divided into crushing, screening, sand-making and other chains.
Sandstone aggregate quality control is mainly based on sandstone aggregate particle size and gradation requirements, and adopts the advanced and mature crushing equipment and vibrating screen, to ensure that the production of sand and stone aggregate is in line with the standards and regulations of grading quality.
In the sand and stone aggregate market, stones or sand the customers need to have a certain standard particle size, for example gravel is divided into 5-10 mm, 10-20 mm, 16-31.5 mm, sand is divided into coarse sand average particle size of 0.5 mm or more, medium sand average particle size of 0.35-0.5 mm, fine sand average particle size of 0.25-0.35 mm.
Multi-cylinder hydraulic cone crusher is typical crushing equipment for medium crushing and fine crushing of hard materials. This types of cone crushers are developed on the basis of spring cone crusher. Its basic structure is similar to that of spring cone crusher. It is used in the industry of mining, metallurgy, construction, chemical, electric power, transportation and others.
The product particle size depends on whether the crushing process is open-circuit or closed-circuit. If we want to obtain satisfactory product size, we must know the required discharge port. Here the discharge port refers to an approximate value. Even if two crushers are in the same working condition, the discharge port may not be the same.
Relatively small crushing chamber can set a smaller discharge port and better regulation of discharge port. It is easier to obtain good particle shape with the small crushing chamber. In terms of product size, the best product size can be obtained by the short-headed crushing chamber. The second is the standard fine cavity, the larger the cavity, the less easy to obtain a good product granule. To ensure a good product particle size, the crushing ratio should be limited to 3 to 3.5.
A good product particle shape should ensure that the ratio of maximum size to a minimum size of more than 90 of the product is less than 3the smaller the ratio, the better. And the number of samples taken should be no less than 300. The product size of crushing materials is determined by many factors. But the main influencing factors are feeding, crushing cavity, discharging port, crushing equipment and crushing technology.
Multi-cylinder hydraulic cone crusher must achieve full cavity feeding material is 300mm higher than the distributor. It can feed and level sensor chain, and build a feeding bin to achieve full cavity feeding. Stable and continuous grading feeding can avoid the change of crushing power and the disconnection of grading. Meanwhile, it can keep stable crushing cavity and discharging opening. The product grain size of wide grading feed is better than that of narrow grading feed.
Compared with Spring cone crusher, JXSC HP cone crusher machine can get better particle shape and achieve the effect of vertical shaft shaping. A small crusher can also obtain a better particle size. The output and fineness of multi-cylinder hydraulic cone crushers are determined by power, crushing force and discharge opening.
The way to increase the power is to increase the feed rather than reduce the discharge port. The best crushing power is about 80 of the rated power. The runout of the adjusting ring is the most obvious and intuitive expression of the super-crushing force of the HP cone crusher. The adjust ring runout and power peak will add additional stress to the crusher, which will lead to the serious damage of the crusher.
The foreign materials in the crushing system are very harmful to the crusher machine. For example, iron may cause the crusher to burn copper jacket, frame cracking, spindle fracture serious consequences. Closed-circuit cycle crushing, used in the secondary crushing can provide precise small feed grade for fine crushing. It avoids too much fine material into the crushing chamber that the crushing chamber to achieve an ideal filling effect. It uses fine crushing can improve the grading of continuous feeding and improve the quality of products.
In general, the rock softer, the crystalline particles of the rock more coarse, the product more coarse, the shape of the crushing particles more better. For example, we want to obtain 6 15 products. The secondary crushing adopts closed-circuit circulation which crushing to below 50, and the material screening below 6mm to ensure a stable 6 50 continuous grading for fine crushing. Fine crushing select multi-cylinder cone crusher short head cavity, 13 15 discharge gate, and closed-circuit crusher.
The abrasion of the material mainly affects the service life of the lining board. Increasing the manganese content of the lining board properly not more than 20 can increase the service life of the lining board. At present, the most used lining board is ZGMn18Cr2 material. A good liner utilization rate can reach 50 or even 60.
The quality of the final product depends decisively on the integration of the cone crusher in the complete processing method. If the permissible marginal conditions, such as feed size, feed grain composition and reduction ratio are observed, a cone crusher produces grain sizes that meet the standards provided that the stone properties permit this.
Cs cone crusher aggregate size adjustment. cs cone crusher aggregate size adjustment. cs cone crusher aggregate size adjustment ipowercontrol in a crusher is a machine designed to reduce large rocks into smaller rocks gravel or rock dust the earliest crushers were hand held stones where the weight of the stone provided a boost to muscle power used against a stone anvil cone crusher.
The hydraulic cone crusher is a new type of cone crusher that FTM Machinery develops by adopting advanced design and optimizing previous machines. In light of better crushing frequency and eccentricity, the content of the discharge granules in the closed side can reach 80, significantly improving processing capacity in subsequent processes and.
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Adjusting A Cone Crusher To Change Stone Spec. Adjusting a cone crusher to change stone spec crusher a crusher is a machine designed to reduce large rocks into smaller rocks gravel or rock dust tunneling demolition dimensional stone recycling and civil engineering the ch440 cone.
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