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PE500*750 jaw crusher delivery PE500*750 jaw crusher Max feeding size: 425mm Adjustment range of discharge particle size: 50-100mm Power: 55 kw Production: 50-80 TPH Project destination: Oman Project application material: primary crushing of chromium ore Project name: chrome ore processing line product description: Jaw crusher is suitable for primary and secondary crushing rocks with compressive strength of 320 MPa. It widely used in mining, metallurgy, construction, highway, railway, chemistry industry, etc. Working principle: The electric motor drives the eccentric shaft by belt pulley to make moving jaw toothed plate move upward and downward, so as to push the moving jaw toothed plate to the fixed jaw toothed plate, to crush the material or splitting the material by doing reciprocating motion of approaching and leaving. Delivery site: If you want to know more about our equipments details,please contact us Shanghai Shuosen Mining Machine Co.,Ltd www.shuosencrusher.com sa

How to distinguish the ball mill steel ball hardness Ball mill ball is a kind of grinding media which breaks or grinds the material in the ball mill. According to the production method divided into: forging steel ball, hammering steel ball, rolling steel ball,bearing steel ball. No matter what kind of production mode and what kind of material the steel ball is made of, there are two important indicators for judging whether the steel ball is wear-resisting: the hardness of the steel ball (HRC) and the crushing rate of the steel ball (%). 1. Ball mill steel ball hardness (HRC) is tested by rockwell hardness tester (model no. : HR-150A).Ball mill steel ball after heat treatment oil quenching process hardness (HRC) at a low temperature of 58 degrees above;Steel ball hardness (HRC) of ordinary ball mill without oil quenching is between 45 and 54. 2. The crushing rate of steel ball in ball mill is tested by ball drop testing machine and impact testing machine.If we want to measure the cr

The Influence of ball mill structure on ball mill grinding efficiency The grinding efficiency of a ball mill is affected by many factors, but one thing you may not know is that the structure of the ball mill also affects the grinding efficiency.This paper will discusses this problem from four aspects: barrel length, diameter, ball mill speed and lining plate. The function of the ball mill is subordinate to the length, diameter, size and speed of the ball mill. At the same time, the diameter of the ball mill also determines the size of the ball, and the diameter of the ball mill is related to the maximum strength of the grinding material. Length: if the length of the ball mill increases, the output of fine products also increases, but also increases the consumption of power, for the newly added fine products may need to consume more electricity.The experiment proved that the length of the ball mill should be increased in order to obtain fine products, but if it is excessively increas

What is a central drive ball mill ?What are its features? According to different driving modes, ball mill can be divided into two kinds: center drive ball mill and edge drive ball mill.At present, the central drive ball mill is widely used in the domestic and foreign market and has a high utilization rate. What is a central drive ball mill The motor drives the drive shaft through the reducer. The axis of the drive shaft is consistent with the center line of the ball mill barrel. The ball mill with this drive device is called the central drive ball mill,center drive ball mill structure is compact, cover a small area, high mechanical efficiency, but the requirement of the manufacturing accuracy,material and heat treatment technology is higher.Compared with the edge drive ball mill, the mechanical efficiency of the central drive ball mill is 0.92-0.94, about 5% higher than the efficiency of the edge drive, so it also has advantages in terms of nodes. Center drive ball mill is more advan

http://www.shuosencrusher.com/en/product/Circular-Vibrating-Screen.html Vibrating Screen Max Feeding size: 400 mm Power: 7.5-55 kw Capacity: 12-800TPH Applied material: limestone, granite, quartz, pebble,iron ore, construction waste, etc sarah@shuosencrusher.com

Effect of ball mill speed on grinding effect The comprehensive test data show that, when other conditions remain unchanged, the motion state of grinding medium in the ball mill barrel depends on the speed of the ball mill. Generally, the grinding effect is different with the different motion state of grinding medium. When the rotating speed of the ball mill equipment is low, the medium is dominated by the falling motion, and the impact effect is small. The grinding effect is mainly grinding. The grinding machine has a low production capacity and is suitable for fine grinding.When the rotating speed is high, the proportion of the medium dropping motion mode increases, and the impact effect is strong. The grinding effect is mainly impact, and the grinding is next, which is conducive to crushing coarse materials. The ball mill has a high production capacity. Understand the specific impact of the ball mill speed on the grinding effect of equipment, if you encounter the ball mill produc

ball mill manufacturing http://www.shuosencrusher.com/en/product/ball-mill.html If you want to know more about our equipments details,please contact us Shanghai Shuosen Mining Machine Co.,Ltd www.shuosencrusher.com sarahzzdshj@gmail.com sarah@shuosencrusher.com

Three matters need attention in ball mill processing 1. Ball mill feeding speed: after the working parameters of the ball mill feeding machine are adjusted, the feeding amount of the mill should be kept constant or changed within a very narrow range,so as to control the water quantity and ensure the proper grinding concentration and fineness of the ball mill.The feed of the ball mill must be even.With the increase of feeding speed, the content of qualified grain grades in the discharge of the ball mill decreases, while the absolute number of qualified grain grades produced by the ball mill increases, the power consumption decreases, and the grinding efficiency of the ball mill increases significantly.When the ore property changes, the working condition of ball mill mill should be adjusted in time to make it balanced. 2. Pulp concentration of the ball mill: the appropriate grinding concentration of the ball mill should not only enable the solid material to move uniformly along the

judge the fault of ball mill from the working sound When the ball mill is running normally, the grinding sound is clear and resonant. There is no rattling sound of the steel ball hitting the lining plate.If the sound is abnormal, the ball mill noise is too large, it may be a fault of the ball mill. 1, when the ball mill is running, there is a regular knocking sound, and the sound is very big.That is part of the lining plate bolts did not tighten, in the ball mill rotation, the lining plate hit the ball mill grinding cylinder.According to the sound judgment ball mill lining board place, finds out the loose bolt, separately fastening. 2. Abnormal running sound of ball mill reducer: The sound of ball mill reducer running normally should be even and smooth.If the gear has a slight knocking sound or hoarse grinding sound, and there is no obvious change during the operation, you can continue to observe and find out the reason. Stop the ball mill for processing. If the sound is getting lou

vibrating feeder shipping to UAE 50-100T/H http://www.shuosencrusher.com/en/product/Vibrating-feeder.html If you want to know more about our equipments details,please contact us Shanghai Shuosen Mining Machine Co.,Ltd www.shuosencrusher.com sarahzzdshj@gmail.com sarah@shuosencrusher.com

Spring cone crusher is shipping to UAE http://www.shuosencrusher.com/en/product/Spring-Cone-Crusher.html If you want to know more about our equipments details,please contact us Shanghai Shuosen Mining Machine Co.,Ltd www.shuosencrusher.com sarahzzdshj@gmail.com sarah@shuosencrusher.com

Measures of ball mill noise controling When grinding materials, the ball mill  can produce strong vibration and noise, the noise is up to about 100~115dB, which is very harmful to the operator and the surrounding environment. 1. Noise source and influencing factors of ball mill: (1) the ball mill level noise is related to the diameter and speed of the ball mill as well as the nature and lumpiness of the material. (2) the noise of the ball mill is basically steady-state noise with a wide frequency band and very high sound energy of low, medium and high frequency components. The larger the diameter of the ball mill, the stronger the low frequency component. (3) the noise of the ball mill is mainly the mechanical noise caused by the collision between the metal balls in the drum, the lining plate of the drum and the processed materials.The sound of the ball mill radiates outward along the lining plate, barrel wall and inlet and outlet of the material. The sound of the ball mill includes

Factors affecting the ball mill grinding There are many factors affecting the ball grinding process, mainly including the following three aspects:  (1) material properties, including ore grindability, ore density, product fineness; (2) mill structure, including mill specifications, type, lining plate; (3) operating factors, including medium shape, size ratio and material, medium filling rate, grinding speed, grading efficiency, sand return ratio, pulp concentration, viscosity, material ball ratio, etc. These factors themselves influence and restrict each other, so the modeling and optimization of the grinding process is still in deep research and has not been well solved.In addition, the variability and randomness of the factors mentioned above also greatly increase the difficulty of modeling and optimizing the ball-milling process.Therefore, it is necessary to analyze the influencing factors of the ball grinding process before carrying out the experimental work, and only by gra

Why are the coarse grains difficult to float,what can we do? Rough grinding can save grinding cost and reduce cost. When the f lotation plant processing the uneven inlaid ores on the premise of ensuring the recovery rate of coarse separation,there is a tendency to coarsen grinding sizes.However, due to the relatively heavy coarse particles, it is not easy to be suspended in the flotation machine, and the chance of collision with bubbles is reduced.In addition, the coarse particles attached to the bubble, due to the large shedding force, easy to fall off from the bubble.Therefore, the flotation effect of coarse particles is poor under general process conditions.In order to improve the effect of coarse particle flotation, the following technological measures can be adopted: (1) We can use the collector with strong collecting force, and can also add kerosene, diesel and other auxiliary collectors to strengthen the collection of coarse particles, increase the adhesion ability and fixa