ball mill | industry grinding mill - mineral processing

ball mill | industry grinding mill - mineral processing

The ball mill is a tumbling mill that uses steel balls as grinding media. Ball mills can be used in wet or dry systems for bulk and continuous milling, and are most widely used in small or large-scale beneficiation plant.The feed can be dry with a water content of less than 3% to minimize the coverage of the ball, or it can be a slurry with a water content of 20-40%. The ball mill can be used for primary or secondary grinding applications. In the primary application, they receive feed from the crusher, and in the secondary application, they receive feed from the rod mill, autogenous mill or semi-autogenous mill.

Main partsThe mill includes motor, reducer, slow drive, power distribution control cabinet, feeding device, main bearing, rotary part, discharging device, transmission part, lubrication system (mainly including high-pressure pump station and low-pressure thin oil station) and other parts.The main working part of the ball mill is a rotary cylinder mounted on two large bearings and placed horizontally. The cylinder body is divided into several compartments by a partition plate, and a certain shape and size of grinding body is installed in each compartment. The grinding bodies are generally steel balls, steel forgings, steel rods, pebbles, gravel and porcelain balls. In order to prevent the barrel from being worn, a liner is installed on the wall of the barrel. The length of a cylindrical shell is usually 11.5 times the diameter of the shell.The grinding elements including grinding media and material in the ball mill move at different speeds. Therefore, the collision force, direction and kinetic energy between two or more elements vary greatly in the ball charge. Friction and wear or friction and collision energy all act on the particles. These forces come from the rotating motion of the ball and the particle motion in the mill and the contact area of the collision ball.

High chromium cast ballHigh chromium cast ball is an alloy white cast iron ball with high chromium content (more than 10% Cr), which is wear-resistant, heat-resistant and corrosion-resistant, and has considerable toughness. The martensitic matrix high-chromium cast iron ball surface hardness HRC can reach 58-66. The wear resistance of high chromium cast iron balls is 8 to 12 times that of ordinary carbon steel ballsLiner plateThe cylinder is lined with high-manganese steel lining and multi-element alloy wear-resistant lining, which has good impact resistance and wear resistance.

Wide applicability and high capacity Maintain a certain capacity for a long time to achieve the durability of the specified grinding fineness (add balls regularly to compensate for its wear)Reliability and safety, easy maintenance.The machine runs smoothly and works reliably. The internal structure can be adjusted according to customer requirements.Suitable for batch grinding, continuous grinding, open circuit grinding and closed circuit grinding, suitable for all kinds of hardness materials.

ball mill - zhongde heavy industries co.,ltd

ball mill - zhongde heavy industries co.,ltd

The ball mill is the key equipment for crushing the material after it has been crushed.Ball mills are widely used in cement, silicate products, new building materials, refractory materials, fertilizers, black and non-ferrous metal dressings, and glass ceramics. Dry or wet grinding of various ores and other grindable materials

There are many factors that determine the price of the ball mill, mainly the type of machine and the size of the model; the machines produced by our company are factory direct sales, Guarantee 100% factory price

As an advanced manufacturer and exporter in China, our company has produced several series of machines all over the world, such as Australia, Malaysia, Indonesia, Philippines, India, Pakistan, South Africa, Tanzania, Egypt, etc., which have been unanimously affirmed by users. The rate is over 80%

batch ball mill for open or closed circuit grinding

batch ball mill for open or closed circuit grinding

The batch ball mill is a kind of ball milling machine which discharges the material in one time according to the nature of the material. Different fromcontinuous ball mill, batch type ball mill grinds powder by times and adopts intermittent operation. The batch mill is mainly used for the mixing and grinding of materials, with uniform product fineness and saving power. The grinding time can be adjusted according to the fineness of the grinding material. The batch ball mills can be used for both dry andwet grinding. They are mostly used for fine grinding of feldspar, quartz, ore, clay and other raw materials.

In order to meet the grinding properties of different materials, differentball mill liner typescan be used on the batch type ball mill. Special lining can also reduce the possibility of mixing ferrous metals such as less steel, iron and manganese into raw materials.

The fineness of the grinding operation of the batch ball mill can reach 1000-16000 mesh, and the fineness can be controlled by the grinding time. The motor can be started with auto-decoupling and decompression to reduce the starting current. Its structure is divided into integral type and independent type.

The batch ball mill has the characteristics of less investment, energy saving and electricity saving, novel structure, simple operation, safe operation, stable and reliable performance, etc. It is suitable for mixing and grinding operations of ordinary and special materials. The user can select the appropriate type, liner and medium type according to the material specific gravity, hardness, yield and other factors. Of course, thebatch dry ball millor the batch wet ball mill can also be selected according to the nature of the processed material and its own situation. Please feel free tocontact usfor expert advice.

As a ball mills supplier with 22 years of experience in the grinding industry, we can provide customers with types of ball mill, vertical mill, rod mill and AG/SAG mill for grinding in a variety of industries and materials.

energy-saving mining ball mill - hongsheng machine building co., ltd

energy-saving mining ball mill - hongsheng machine building co., ltd

The ball mill energy saving technology owned by our company is a patented technology (patent number: ZL97231326.5). This technology has obvious energy-saving effect in the application of mill. Its main burial is: the traditional ball mill is the use of sliding bearings (bearings), and the technology is in the case of the original mill other major structure unchanged, after detailed calculations, using rolling bearings. Rolling ball mills are widely used in mining, building materials, metallurgy and other industries. Main features: Saving electricity, saving fuel, reducing maintenance, comprehensive benefits, safe and reliable operation, low accident rate, long service life, and the cost of the equipment can be recovered in an average of three to four years. One choice, permanent benefit.

1. The rolling bearing has large bearing capacity, safety and reliability, and long service life. Especially for the ball mill roller bearing series, the load ratio is more than 8-12 times. Under normal conditions, the service life is 40,000 to 100,000 hours and can be operated for 5-10 years or more. .

2. The rolling bearing ball mill has a small slewing moment, a short start-up time, and a small starting current, which can reduce the installed capacity and reduce the reactive power loss, and can save 10-20% power.

3, can be used to lubricate the grease, cancel the lubrication station and its motor power, to prevent leakage of oil, no line of oil pollution, is conducive to work environment hygiene, saving up to 80%.

7. The comprehensive benefits of rolling bearing ball mills are significant. Small ball mills can save tens of thousands of yuan each year, medium-sized mills can save hundreds of thousands of yuan annually, and large-scale mills can save nearly one million yuan annually.

Note 1. The weight of the large ball mill does not include the weight of the motor. 2. Other specifications of the ball mill can be provided according to the user's needs. 3. The motors in the table are all asynchronous motors. If the synchronous motor is selected when ordering, the technical parameters are for reference.

ball mill used in minerals processing plant | prominer (shanghai) mining technology co.,ltd

ball mill used in minerals processing plant | prominer (shanghai) mining technology co.,ltd

This ball mill is typically designed to grind mineral ores and other materials with different hardness, and it is widely used in different fields, such as ore dressing, building material field, chemical industry, etc. Due to the difference of its slurry discharging method, it is divided to two types: grid type ball mill and overflow type ball mill.

Compared with grid type ball mill, overflow type ball mill can grind materials finer even though its grinding time is usually longer. So it can make finer particle products. Hence the grid type ball mill is mainly used for primary stage of grinding while overflow type ball mill is mainly used for the secondary grinding.

Ball mill Advantages: 1Jack-up device, easy maintenance; 2The hydrostatic and hydrodynamic bearings ensure the smooth operation; 3Low speed transmission is easy for starting and maintenance; 4The oil-mist lubrication device guarantees reliable performance of bearings; 5The air clutch adopts the flexible start-up model./5According to the customer demand, manganese steel liner and wear-resistant rubber liner can be customized with good wear resistance, long service life and easy maintenance.

The grinding system uses either 'open circuit' or 'closed circuit'. In an open circuit system, the feed rate of materials is adjusted to achieve the desired fineness of the product. In a closed circuit system, coarse particles are separated from the finer ones and sent back for further grinding.

Prominer has been devoted to mineral processing industry for decades and specializes in mineral upgrading and deep processing. With expertise in the fields of mineral project development, mining, test study, engineering, technological processing.

how much the gold ore ball mill - jxsc machine

how much the gold ore ball mill - jxsc machine

Capacity 0.65~130 t/h Feeding size 20-25mm Discharge size 0.074-0.89mm Grinding ball 1.5-338t Application gold ore and other ores grinding Advantages Rolling bearing has little friction and low consumption; Reasonable sealing, low failure; Little dust, low noise, energy-saving; Special design, good grinding effect, 60s manual response, 24hrs quotation. More ball mill model details

Since most of the gold mines contain impurities, we only can obtain the gold concentrate after a series of steps such as crushing, grinding, and sieving. The ball mill plays an important role in the gold ore grinding process, as a kind of high-efficiency fine grinding equipment, it has been widely used in fine grinding and ultra-fine grinding operations in mining, chemical, new materials, building materials and other fields. In the gold mining plant, the ball mill usually set after the jaw crusher, in a second-stage grinding, process sulfur-containing arsenic-containing refractory gold ore, and tailings treatment. The outstanding advantages of gold ball mill are low energy consumption, ultra-fine grinding, simple foundation, low noise and vibration, and has been regarded as an efficient new fine grinding equipment.

The main parts of the gold ore ball mill includes the feeding, the supporting device, the rotating part, the unloading device and the transmission device. Working principle: gold ore ball mill is a low-speed rotary cylinder horizontally mounted on the bearing. In the rotary cylinder, there are heavy steel balls. Along the motor and gear rotates the cylinder, generating centrifugal force to bring the steel ball to a certain height and then falling. The ore material are gradually crushed and ground by the steel ball impact force. The material is subjected to impact crushing and grinding, and the material is slowly flowed from the feeding end to the discharging end by the material level difference, until the material is discharged. That is the overflow ball mill.

Gold ore ball mill is especially suitable for two-stage grinding or ultra-fine grinding because of its advantages of ultra-fine grinding, high efficiency and energy-saving, low installation cost and low wear.

A gold mine used the JXSC gold ore ball mill for the second stage grinding to technically transform the original process, and achieved good results. After the transformation, the production capacity reached 130~140t/d. The production results show that the JXSC gold mine ball mill has low electromechanical consumption, high grinding efficiency, low wear of wearing parts and vibration noise less than 85dB.

There are rich sulfur-bearing and arsenic-containing refractory gold ore resources, but due to the lack of practical technology, these gold resources are not fully utilized. The JXSC Gold Mining Ball Mill has two basic characteristics of ultra-fine grinding and enhanced chemical leaching. The use of ultra-fine grinding of the JXSC gold ore ball mill can strengthen the alkali leaching, which may provide a technically feasible and economically reasonable treatment process for some sulfur-containing and arsenic-containing refractory gold ores.

Ball mill superfine grinding for secondary utilization of gold-bearing tailings in which gold was not fully recovered in the old days due to the technique limitation. In some gold tailings, the gold content is as high as 2~8g/t, if using the JXSC gold ore ball mill to retreat and recover gold, its potential economic benefits are huge.

The ball mill price are determined by many factors, such as machine weight, cylinder material, steel ball material, motor brand, lined plate thickness and material, etc. A professional and reasonable quotation made on your mine conditions, mine minerals, capacity, rock hardness, clay, etc. We are here to help.

JXSC is a 35 years Chinese mining equipment manufacturer, has great quality & price advantages in the ball mill, jaw crusher, trommel scrubber, shaker table and so on. Contact us for a 12hrs quotation.

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