China Grinding Equipment Roller Mill for Mineral Factory

Product Description

China Grinding Equipment Roller Mill For Mineral Factory
Features and Advantages:

1.	Available D50:1.5~45μm
2.	Compared with Raymond mill or ball mill, the production efficiency is more than doubled under the same dynamic conditions,lower operating cost
3.	Large output: grinding calcium carbonate, the fineness is 10μm, the output can reach 3 tons / hour or more
4.	Good product fineness index: can reach the fineness of fluidized bed jet mill, D97: 3 ~ 45μm
5.	Favorable product granularity and stability,Ideal equipment for current dry grinding method to produce non-metallic mineral fine powder such as calcium carbonate.
6.	Fine powder can be completely recycled without polluting the environment
7.	Grinding is in closed system, low dust and noise, clean and environmentally friendly production process
8.	Explosion-proof design can be selected to meet the requirements of ultra-fine grinding processing of flammable and explosive oxide materials.

Working Principle:
Roller mills(micro powder roller mill,fine roller mill,ring roller mill,roller grinding machine,automatic roller mill,three/four roller/rolling mill) are mills that use cylindrical rollers, either in opposing pairs or against flat plates, to crush or grind various materials, such as grain, ore, gravel, plastic, and others. Roller grain mills are an alternative to traditional millstone arrangements in gristmills. Roller mills for rock complement other types of mills, such as ball mills and hammermills, in such industries as the mining and processing of ore and construction aggregate; cement milling; and recycling.
Transmission device connects with main shaft. The top of shaft connects with rotor structure. The rotor structure has peripheral shaft. Peripheral shaft is installed with roller. When the main shaft starts to rotate, peripheral shaft rotates too, which would make the rollers revolve around main shaft and also rotate round peripheral shaft. The roller would create strong centrifugal force during the rotation and revolving, and grind material with stator. The ground material would fall down to the distribution plate. The distribution plate and the main shaft would rotate at the same time, and bring material to the round ring. Under negative pressure, it would go along the distribution ring to the classifier chamber. Qualified fine powder would go through the classifier wheel and into the collector, while coarse powder would fall down back to the milling chamber for further grinding.
Technical Parameters:

Parameter		RLM89		RLM189		RLM219
Size	D97	Output(kg/h)	kwh/ton	Output(kg/h)	kwh/ton	Output(kg/h)	kwh/ton
600	28um			4500~5000	30
800	18um	2500~2800	43	3500~4200	42	3500~4200	40
1250	10um	1500~1800	67	2000~2500	75	2000~2500	72
1500	9um	1000~1300	92	1500~2000	95	1600~2100	92
2000	7.8um	650~750	125	1000~1500	113	1100~1600	110
2500	5.5um	600~650	135	800~1200	123	900~1300	119
POWER		152kw		237kw		237kw

Note:The above data is based on heavy calcium (feed size <10mm, Mohs hardness <5%), affected by different materials, differences in production areas etc, above data is for reference only. The particle size was measured by Omega particle size analyzer and Malvern particle size analyzer.
Related Engineering Case:

South America a mineral factory, heavy calcium carbonate powder, annual output 30000T, particle size D97:8-15μm, 2 sets of Roller Mill Production Line.	Egypt a mineral factory, barite powder, annual output 50000T, particle size D97: 5-15μm, 2 sets of Roller Mill Production Line.
Russia a mineral plant, heavy calcium carbonate powder, annual output 20000T, particle size D97:8-15μm, 2 sets of Roller Mill Production Line.	Ethiopia a mineral factory, heavy calcium carbonate powder, annual output 50000T, particle size D97:8-15μm, 4 sets of Roller Mill Production Line.

Our services:
Q: What service do you supply?
A: 1). We offer consultancy for project feasibility assessment, process flow definition, preliminary layout and factory building plan, project budget, project time schedule, etc.
2). We supply sample processing tests in our test station where are equipped with our various machine products, to help clients compare performances of different types of machines or process.
3). We supply project engineering, automation engineering and civil engineering.
4). We send engineers to the clients' project site and offer on-site technical instruction and supervision during the machine installation, commissioning and test run.
Q:How can I trust on your quality?
A: 1). All of the machine be tested successfully in Weifang workshop before shipment.
2). We supply one year warranty for all equipment and lifelong after-sales service.
3). We can test your material in our equipment before place the order, to ensure our equipment is suitable for your project.
4). Our engineers will go to your factory to install and debug the equipment, they will not be back until these equipment can produce qualified products.
Q:Does your company provide Engineers Abroad Service?
A: Sure, we provide it. And we can provide free training for on-site workers.
Q:How to train our staff about operation and maintenance?
A: We will provide detailed technical instructive pictures to teach them for the operation and maintenance. In addition, our engineers for guide assembly will teach your staff on site.
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