2012年3月6日星期二

rod mill Applications

Rod Mill Introduction


At current, rod mill could be the most productive crushing device and its efficiency has achieved the worldwide normal. It truly is broadly used within the gravel business. And it is mainly utilized for processing or crushing the feldspar, quartz, minerals and also other uncooked materials, and it's also appropriate for finely or secondarily crushing the different tough or brittle supplies, for example grinding materials, refractory materials, cement, metal shot, pulverized slag, copper ore, iron ore, gold ore, concrete aggregate, bituminized aggregate. Now it is a most state-of-the-art high-efficient very low consumption sand-maker within the globe.

rod mill Applications

The rod mill, a tumbling mill characterised by the utilization of rods as grinding media, is employed for grinding ores, coal/coke, as well as other materials for both damp
and dry programs. The rod mill performs best when creating products having a top rated size of 4 mesh to 16 mesh operating in open up circuit, or as very good as 35 mesh operating in closed circuit having a screen or other sizing gadget. The rod mill accepts feed ore as coarse as one 1/2?¡À top rated dimension though greater performance is acquired by restricting ore feed dimension to 3/4?¡À.
Materials as well moist for fine crushing and dry screening may be damp floor inside a rod mill. Apply has shown the capability of the rod mill to dry grind damp materials that may pack or plug other grinding equipment. and scrap loss are decreased by appropriate selection of liners for your precise grinding responsibility. Additional benefit results from use of a backing materials, for instance rubber in between the liners along with the mill shell.

sag mill operation

SAG is definitely an acronym for Semi-Autogenous Grinding. SAG mills are basically autogenous mills, but make use of grinding balls to aid in grinding as having a ball mill. A SAG mill is typically employed like a primary or initial phase grinding solution The SAG mills make use of a minimal ball charge of six to 15%. SAG mills may be as large as 42" across, with as many like a 28 MW motor.
Attrition inside the grinding balls causes grinding of finer particles. SAG mills are seen as being a their massive diameter and short length in comparison with ball mills. The within in the mill is lined with lifting plates to lift the fabric within up and round the within the mill, where it then falls off of your plates to the rest of your ore. SAG mills are primarilyfoundinthe gold, copper and platinum industries with programs also inside themay be the people receiving two big advanced control projects since its commissioning in 1999. Overtime each systems had didn't meet the requirements together with the mill and running staff lost confidence, preferring to operatethe soundness ofthewas not performing to expectation. The mill was operating below design power (2100kW), and at lower rock loads j?¨¬C resulting in decreased throughput along having a shorter liner service life.

SAG Mill Design and Operation

The paper examines the current state of equipment and SBM design, with reference to Australian apply.
Following a review of your changes in milling applications over the last fifteen years, developments in mill design are examined. Current issues incorporate trunnion versus shell support; drive type and economic analysis for comparison on the many systems; the efficiency with the mill discharge system for slurry and pebble removal, and lining configuration. Peripheral problem areas which include pebble crushing and classification are briefly examined.
SBM design issues are reviewed. The decision to modify the traditional main crushed feed is examined with reference to recent and proposed installations. A retrospective look at fully autogenous installations and their successes is presented, and current views on increasing throughput are assessed.
Finally, future developments are anticipated in mill design and control, and competing processes are identified.

apron feeder for sale

Our apron feeder is actually a piece of bulk materials handling gear. As it can convey particles less than 5mm and block supplies better than 1m, this feeder can accommodate your diverse programs. It truly is now extensively employed in mining, building supplies, chemical and metallurgy industries. Within the cement industry, our apron feeder is utilised to continuously and evenly convey limestone, gypsum blocks from material storeroom to crushers.

apron feeder Features


1. Our apron feeder features little materials leakage, smooth operation, long life and easy maintenance.
2. It may convey high-temperature and sharp materials.
3. The feeder still operates reliably within the open air or within a damp, harsh environment.

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