The mill discharge from these mills consists of slurry, which goes to the ball mills for further grinding, and coarse pebbles/rocks, which are crushed and sent back to the mill. To maximize the capacity of these circuits, the general practice is to use grates with pebble ports (reaching 100 mm) instead of normal grate openings to increase the
DetailsThe discharge end of the Grate Discharge Ball Mill has at least ten times the discharge opening area, through the grate slots, compared to the common trunnion overflow type mill. The discharge grates are designed to run clean and free of any blinding or choking.
DetailsBall mill is the key equipment for grinding after the crushing process in the beneficiation plant, it is used to grind kinds of materials such as copper ore, gold ore, magnetite ore, quartz, lead zinc ore and other materials into fine powder 2075 micrometer. based on discharging type, it could be grate type, overflow type etc. whats more, the ball mill can be.
DetailsManufacturer: Allis-Chalmers - 7 x 18 ft Allis Chalmers ball mill - Steel shell with two access doors - Grate discharge - Used steel liners - Bull and pinion gear, with spare bull gear - Straight cut teeth - Falk gearbox - 350 HP 440v motor ...
DetailsGrate Discharge Sag Mill - Fact Jeugd Noord. Grate discharge ball mill - sankay-crushermrate discharge ball mill is a main equipment to grinding kinds of cushed raw materialst has been widely used in manufacturing industries,such as cement,new building materials,refractory materials,glass ceramic and other industriespecification.
DetailsAMIT 135: Lesson 7 Ball Mills Circuits – Mining Mill . For overflow ball mills, the charge should not exceed 45% of the mill volume For grate discharge mills, the charge should occupy about 50% of the mill volume Bond developed a relationship that can be used to determine the percent charge by volume as a function of the vertical height above the …
DetailsMOQ: 2 tons. Material Grade: AS2074 L2B, L2C, L2A. Production Process: Sand Process + Heat treatment. Melting Process: Induction Melting. Our company is a Chinese specialized manufacturer of alloy steel castings. We can produce alloy steel castings as per the drawings of customers. Grate Discharge Liner for Ball Mill Detailed Product Description.
DetailsJun 23, 2020· A reliable mill lining supplier will always consider these factors when offering the best solution for conversion of a ball mill from an overflow to a grate discharge. For suitable mills, Outotec is able to provide modelling of the mill before and after conversion to quantify the process benefits of the conversion, and then design the best …
DetailsAs secondary ball mills are usually fed a relatively (compared to SAG mills) fine F80 and have high re-circulating loads and produce product fineness of the P80 - 100 to 160 micron range, fitting a grate discharge needs to be carefully considered.
DetailsAug 01, 2006· A model for the flow of dry solids through a grate discharge mill has been developed by Wood (1980), including the effects of feed rate, ball filling and particle size on the total mill hold-up in a 97.8 × 148.6 cm grate discharge pilot scale ball mill which had a discharge grate having 1.58 cm slots totaling 37% open area.
DetailsGrate Discharge Ball Mills Grates can be added to the discharge end of the ball mill to facilitate a steeper pulp gradient which helps to prevent over-grinding. 2040 Ball Mills Ball Mills Brochure No.2040 06/02 24 ft. x 30 ft.- 14,000 HP Ball Mills . …. The two most popular types of ball mills are….
Details14.5 x 28 ft (4.5 x 8.5 m) Allis Chalmers ball mill with 3,000 HP. USED. Manufacturer: Allis-Chalmers. - 2 mills available: 14.5 x 28 ft (4.4 x 8.5 m) - Configured for wet overflow discharge - 2 piece mill shell - Trunnions with liners - White metal trunnion bearing journals - 289 tooth two-piece bull gear - Bull ... USA. Click to Request Price.
DetailsTag: grate discharge ball mill. Henan Deya Machinery Co., Ltd. grate discharge ball mill. July 3, 2012 March 23, 2014 By Steve Blog ball mill • Closed circuit grinding • grate discharge ball mill • open circuit grinding • overflow ball mill 0 Comments.
DetailsGrated Discharge Ball Mill Henan zhengzhou Mining . Grate discharge ball mill Alibaba. the reasons 2 Our grate discharge ball mill exported to more than 180 countries and regions there are a lot of overseas offices and branches you can rest assured purchase. goethite high quality grate discharge ball mill installation grate discharge ball mill …
DetailsWe recently converted a grate discharge type ball mill (size 5.7X8.6m) to an Overflow type. Before conversion, the ball level was 26%, and we were able to obtain a grind of 90%+ passing 75mic at a throughput of 350t/h. After conversion it's a nightmare to obtain 90%+ passing 75mic at the same throughput. No change to the cyclones done.
Details【Type】overflow ball mills grate discharge ball mills both in open or closed circuits Ball milling is a grinding method that reduces the product into a controlled final grind and a uniform size usually the manganese iron steel balls or ceramic are used in the collision container The ball milling process prepared by rod mill sag .
DetailsJan 10, 2021· Rod Mill with End Peripheral Discharge: Used when a ... Ball mill grate discharge with 40 % ... Free Chat ball mill grate discharge – Grinding Mill China. what a grate discharge in a ball mill. Grate Discharge Ball Mill For Sale. Used Cement Production Ball Mill Sales In Europe stone . Free Chat TECHNICAL NOTES 8 …
DetailsConverting a ball mill from overflow to grate discharge. Converting a ball mill from overflow to grate discharge involves installing a grate inside the mill at the discharge end. The grate holds the balls inside the mill but allows the slurry to pass through, and it is then pumped out of the mill by the pulp lifters.
DetailsUsed ball mills open grate discharge - croissanterie-avanti.nl. ball mill discharge grate vs overflow - ecap. overflow vs grate discharge ball or mill - why retrofit. allow me to compare ball mills can be of the overflow or of the grate discharge type overflow discharge mills are used when a product with high specific surface is . Get Price
DetailsHow a Grate Discharge Ball Mill Works. Here I try to explain how ground slurry is discharged from a grate ball mill or SAG How it works is the slurry flows across the grate as it would a screen panel On the other side of the gratescreens are veins like a pump impeller As the mill turnsrotates the slurry is "pumped" out and discharged Discharge …
DetailsHow a Grate Discharge Ball Mill Works. 01/05/2018 Here I try to explain how ground slurry is discharged from a grate ball mill (or S) How it works is, the seen in a grate when a mill is shut down are particles either in the process of being discharged or returning to the mill A grate discharge mill that is "groundout" would show the desired ...
DetailsJun 23, 2020 Converting a ball mill from overflow to grate discharge involves installing a grate inside the mill at the discharge end. The grate holds the balls inside the mill but allows the slurry to pass through, and it is then pumped out of the mill by the pulp lifters. This is different to an overflow mill which holds the slurry and balls ...
DetailsNov 05, 2021· Ball mills are usually either of the grate (diaphragm) or overflow type. Ball Mill Components. Ball mills consist of the following components: Inlet – crushed ore is fed to the ball mill through the inlet. A scoop ensures the feed to the mill is constant. Discharge – reduced feed exits the mill through the discharge. Ball Mill Components
DetailsThe grate discharge ball mill is also called grate ball mill. It is often used in the first stage of two-stage grinding to dry or wet grind various ores and other grindable materials. Compared with overflow ball mill, grate ball mill is a type of ball mill grinder that can realize forced ore discharging by grid lining plate and fan-shaped chamber.
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