Limonite mining machine for sale

According to the special performance of limonite raw ore, choosing the appropriate iron ore mining equipment. This article focuses on introducing the use of mining equipment in the limonite ore mining process. For example jaw crusher, cone crusher, ball mill, vibrating feeder,magnetic separator, classifier and belt conveyor etc. Shanghai shibang provides this professional mining equipment for limonite mining. They can also help you design professional production line.

Limonite ore introduction

Limonite is relatively dense with a specific gravity varying from 2.7 to 4.3. The hardness is variable, but generally in the 4 - 5.5 range.Limonite is an ore occurring in a mixture of hydrated iron oxide-hydroxide of varying composition. During we produce iron we will together mining hematite with limonite. Limonite is heavy and yellowish-brown. Limonite is composed by a mixture of similar hydrated iron oxide minerals, mostly goethite with lepidocrocite, jarosite, and others. The main forms of limonite is oxidized iron and other metal ore deposits and as sedimentary beds. Limonite may occur as the cementing material in iron-rich sandstone. Most limonite ore resources are used for making iron, and widely used for pigment material.

Limonite mining equipment

In a complete limonite beneficiation production line, it is mainly consists of jaw crusher, ball mill, classifier, magnetic separator, flotation, dryers, etc. These equipment cooperate with rock feeder, hoister and conveyor. This production line holes the specifications of high efficiency, low energy, high capacity, economical and reasonable, etc.
Shanghai shibang has three types of crushers, like jaw crusher, cone crusher and impact crusher. Each crushers has different series. Each crusher has their unique advantages. PEW series jaw crusher has big crushing ratio, reliable operation, easy maintenance and low operating cost. It does be one high efficiency and low cost crushing machine. It can also be widely used in various materials processing of mining &construction industries, such as it is suit for crushing granite, marble, basalt, limestone, quartz, cobble, iron ore, copper ore, and some other mineral rocks.HPC cone crusherhas excellent crushing efficiency and good hydraulic control system. Now the HPC series cone crusher has wide application in secondary crushing of many kinds of mining and rock, etc. It also has advantages that other crusher doesn’t have. It will need less consumption of wearing parts andlow operating costs. Its hydraulic protection and hydraulic pressure cavity clear high degree of automation to reduce downtime.

Limonite mining process

Limonite raw ore need to be crushed and grinded to be sized into required dimensionwhich will be used in producing. In the common crushing machines, we offer usejaw crusher as primary crusher in iron ore mining plant.Cone crusher or fine jaw crusher will be used as secondary crusher. Then we getlimonite ore materials which have suitable size after screening then pass to the flotation process. Wet ball mill is used to grind limonite ore in powder, of which 70% is 0.076mm is size.After classifier,limonite ore will be passed to high intensity magnetic separator. Thenlimonite ore will be separated by magnetic scavenger separation. Themiddling is mixed with rough middling for thickening process, while the rest ones are discharged as tailings.After first thickening, low iron content limonite ore is moved to ball mill for further grinding. In second thickening,ores will be conducted for further upgrading. The product with iron content lower than 40.08% returns to scavenging, and the one higher than 49.04% passes to reverse flotation.Reverse flotation includes rough flotation and clean flotation, through which Limonite iron ore would be greatly upgraded. The iron concentrate obtained is of 56.73% in content. The middling willreturn to magnetic flotation to be a close-circle process.

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