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The Difference Between Ball Mill and Rod mill. No matter analysis from the outside or the working principle, ball mill and rod mill are very similar,which is a little difficult to distinguish. Then what is the difference between them exactly? Machinery professors will explain it as following.
What is the difference between the ball mill and rod mill? I''m just not sure that you will believe this leap of logic. A ball mill contains balls. A rod mill contains rods.
type. These mills exist in a variety of types rod, ball, pebble autogenous and semiautogenous. The grinding action is induced by relative motion between the particles of media the rods, balls or pebbles. This motion can be characterized as collision with breakage .
Ball mills. Ball mill (Fig 1) is same kind of mill as rod mill, except that it is filled with balls instead of rods. Because of balls have greater ratio of surface area than rods they are more suitable for fine grinding. Balls are also lighter, so the kinetic energy of a single dropping ball is smaller than a rod.
The mill product can either be finished size ready for processing, or an intermediate size ready for final grinding in a rod mill, ball mill or pebble mill. AG/SAG mills can accomplish the same size reduction work as two or three stages of crushing and screening, a rod mill, and some or all of the work of a ball mill.
The difference between ball mill and rod mill . 1. Shape and structure. The ratio of tube length to diameter of the rod mill is generally, and the inner surface of the lining plate on the end cover is vertical plane. The ratio of cylinder length to diameter of ball mill is small, and in most cases the ratio is only slightly greater than 1.
Aug 25, 2016· The characteristic differences between open, and closed, circuit grinding systems were examined via the use of a continuous vibration ball mill and a blade what is the difference between ...
type. These mills exist in a variety of types rod, ball, pebble autogenous and semiautogenous. The grinding action is induced by relative motion between the particles of media the rods, balls or pebbles. This motion can be characterized as collision with breakage .
Ball mill and rod mill are the common grinding equipment widely used in the mineral processing plant. They are similar in shape and grinding principle, but also different in structure, performance and application. Here are seven differences between ball mill and rod mill to tell you how to choose the ball mill and rod mill.
May 03, 2017· First, the advantages of ball mill 1, ball mill for a variety of materials can adapt to continuous production, production capacity, to meet the needs of largescale production. 2, ball mill crushing relatively large, easy to adjust the thickness o...
The rod mill work index is also normally distributed. The database average and median are both kWh/t, which is essentially the same as the ball mill average, showing that ''on average'' the two indices are identical. However, it is common to observe a difference between the rod mill and ball mill values for a given ore type. These ...
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The ball mill is a key piece of equipment for grinding crushed materials, and it is widely used in production lines for powders such as cement, silicates, refractory material, fertilizer, glass ceramics, etc. as well as for ore dressing of both ferrous and nonferrous metals. The ball mill can grind various ores and other materials either wet or dry.
the difference between rod mill and ball mill home Products the difference between rod mill and ball mill. Product Categories. Grinding. Grid Type Ball Mill; Overflow Type Ball Mill; Rod Mill; Energy Saving Ball Mill ... high performance wet dry mining copper rod mill; wet ball mill media ball order; dressing process tin ore processing plant ...
The types of Rod Mill discharge trunnions are: overflow, perforated overflow, return spiral, grate, and peripheral. Thus the engineer can fit any one of fifteen variations of sizes and type of discharging a rod mill, into the problem on which he is working. The superiority of the Steel Head Rod Mill is due to the allsteel construction.
Rod mills operate at lower speed than ball mills since the rods are rolled and not cascaded. For an equivalent grind, a rod mill uses less steel than a ball mill because of the lower speed and better contact between the media and ore. The rod charge must be maintained in good working condition, and broken and worn rods must be removed.
Critical rotation speed of dry ballmill was studied by experiments and by numerical simulation using Discrete Element Method (DEM). The results carried out by both methods showed good agreement. It has been commonly accepted that the critical rotation speed is a function of a ball .
The difference between rod mill and overflow ball mill . Date： 09:32 Source： Views: The working principle of rod mill and ball mill is the same, both drive the cylinder to rotate through the transmission device, and lift the grinding medium to a certain height for dropping. Under the action of friction force and centrifugal ...
supported grinding mills up to the largest sizes. SAG/ball mill circuit incorporating pebble crushers and a POLYCOM® highpressure grinding roll. SAG and ball mill for gold ore grinding. One of three SAG mills with m diameter and 2 x 4000 kW drive power. These mills operate in conjunction with ball mills for iron ore grinding in Iran.
Rod mills are used in an open circuit between crushing and the ball mill. They often operate in wet and where the pulp contains up to 50% solid by mass. This machine is equally very applicable to dry where it could take a feed that has achieved 6% moisture. As such, when the product is sticky, rod mills are preferred over ball mills.
The grinding media of rod mill is a steel section, and the ceramic ball mill is the ceramic ball, as is shown in the following picture. The rod mill media and ceramic ball mill media. Appearance ratio: Rod mill, whose appearance is the same as that of the industrial ball mill. The difference is that the ratios of cylinder shape are different.
Difference Between Sag Mill vs Ball Mill · Today we will learn about difference between sag mill vs ball mill. A mill is a machine by which solid or hard materials are broken into smaller pieces by means of grinding, crushing or cutting. This commutation is an essential part of many processes.
The ball mill is not suitable for the reprocessing line of metal dressing because of its fine grinding materials. summary Understand the difference between ball mill and rod mill, and lay a foundation for the selection of equipment.
The Difference Between Rod Mill and Ball Mill. The rod mill and ball mill are both used in the ore grinding process. According to different working conditions, rod mill is suitable for coarse grinding but the ball mill is suitable for fine grinding. The reason is that the grinding medium of rod mill is steel bar and the contact is line contact ...
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