Home Blogs Dressing Ultimate Guide of Mobile Mineral Processing Plant

Ultimate Guide of Mobile Mineral Processing Plant

ShirleyShirley Jun 23, 2022Jun 23, 2022 167167
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mobile mineral processing plant.jpg

Mobile mineral processing plant is a flexible and high-efficiency beneficiation system for medium and small mines. This article will take you to learn more about mobile processing plants.

01  Product Introduction

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According to the features of African gold mines (with high grade, coarse disseminated grain size, small-scale and scattered mining), it has developed the mobile mineral processing plant- a flexible and high-efficiency beneficiation system for medium and small mines. This system adopts the design concept of modularization & integration. It is mainly applied in small-scale mines with decentralized raw material sources to recover gold. With the help of this system, it will be more convenient to adopt the nomadic mode of operation to process ore for mining individuals.

Libya 10tpd mobile gold processing plant.jpg

(Libya 10tpd mobile gold processing plant)

02 System Features

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(1) Excellent Technical Performance

This process is specially designed based on the mineralogical feature, which ensures a higher recovery rate of minerals and can guarantee 24 hours of continuous production.

(2) Easy for Transportation and Assembly

For the basic model of the mobile plant, the whole system is installed on a steel frame base and there is no need for a complex equipment base like the traditional plant. Besides, it can install an easy hub, which can be easier for loading and transportation. It can realize production while landing, transfer while loading !

As a mobile mineral dressing plant, the most significant advantage is that each concentrator is processed, assembled and debugged completely at the factory before it is assembled into the container and transported to the mining area. So there is no need for professional installation personnel. The workers at the site only need to connect water and electricity, then start mineral processing.

(3) Safe and Easy for Operation and Maintenance

The whole mobile mineral processing system is simplified and gets rid of the redundant auxiliary equipment while maintaining the basic function of the plant, which can fully realize automatic control, easy operation, safety and reliability with a stable index. One button can control the start and stop, making everybody know about mineral processing.

(4) Multiple Choices

At present, the mobile mineral processing plants mainly include gravity dressing plant, CIL plant, flotation plant and so on.

The mobile dressing plant system can be divided into basic and ultimate types based on the level of equipment configuration. The basic type is the most cost-effective choice under the prerequisite of meeting the needs of the basic operation of the system. While the ultimate type is to add a variety of optional equipment such as full-size motion base, stable sunshade board, the console to start and stop, independent tailings dry stacking parts and smelting module, etc. It is a one-time investment, but can get the lifelong benefits. Choosing these modules brings convenience and utility which can beyond the value absolutely.

Mobile processing plants in manufacturing.jpg

(Mobile processing plants in manufacturing)

03  System Types

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(1) Mobile Gravity Separation Plant

As shown in the figure, raw ore from the mine feeds into the jaw crusher by hand for crushing. Crushed products will be conveyed to the fine steel ore bin by skip hoist. Product in the ore bin is evenly fed into the ball mill for grinding, and the grinding product is fed into the jig. Rough concentrate from jig is fed into shaking table to get gravity gold concentrate 1, and jig tailings return to spiral classifier for classification. Return sand from the classifier go back to the ball mill, and form a closed-circuit grinding. The overflow of classifier pumps into the centrifugal separator for separation, and the concentrate from the centrifugal concentrator is regularly picked, using a shaking table for selection to obtain gravity concentrate 2.

flow chart of gravity separation.jpg

(Flow chart of gravity separation)

mobile gravity separation plant.jpg

(Mobile gravity separation plant)

(2) Mobile CIL Plant

The technology is shown in figure, the ore is manually fed to the jaw crusher after mining out from the mine, and the products from the jaw crusher are conveyed to the steel-made ore bin by the elevator. The products after the ore bin are fed to the ball mill evenly for grinding, then the products go into the spiral classifier for classifying. The return sand from the spiral classifier is conveyed to the ball mill again and forms a circuit. The overflow of the classifier is pumped back to the high-efficiency thickener box for thickening by the pump. The pulp is pumped to the leaching tanks for leaching, and the activated carbon and leaching chemicals are put into the leaching tank manually. And the carbon is lifted by the air lifer. Finally, the gold-loaded carbon is carried to the elution desorption electrolysis and smelting after washing by the fixed screen.

leaching process flowchart.jpg

(Flowchart of CIL process)

mobile CIL plant.jpg

(Mobile CIL plant)

(3) Mobile Flotation Plant

The flowchart is shown in figure, the ore is manually fed to the jaw crusher after mining out from the mine. The products from the jaw crusher are conveyed to the steel-made ore bin by the elevator. The products after the ore bin are fed to the ball mill for grinding, then the products go into the spiral classifier for classifying. The return sand from the spiral classifier is conveyed to the ball mill again and form a circuit, the classifying overflow of the classifier is pumped back to the high-efficiency thickener box for stir, and then go to the flotation system. The one roughing two scavenging and concentration technology is adopted in the flotation system. The middle ore is conveyed back one time, the fine ore is pumped to the pressure filter for filter by the soft pipe pump, and ultimately get the fine ore.

flowchart of the flotation technology.jpg

(Flowchart of the flotation technology)

04 Loading and Unloading Steps

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(1) Load the Mobile Plant into the Container

Step 1: Separate the electrical appliances and the quick connections along the pipeline of each module of the mobile plant.

Step 2: Respectively adjust the idler wheel's height of each loading module. Firstly rotating the lifting screw rod to make the distance A from the under the pan to the ground is 2cm. Secondly, adjust the height of the idler wheel to make the surface of the idler wheel down to the ground, and tighten the nut. Thirdly, rotate the lifting screw rod up to 2cm.

Step 3: Use the crane (or forklift) to lift (or hold up) the first loading module, and let the loading module descend until the idler wheel touches the underside of the container when the front two idler wheels enter the container. Push the loading module horizontally, and rotate down the lifting screw rod again until the idler wheel barely loads bearing when the loading module moves to the correct location.

Step 4: Load the other loading modules in turn according to the method of step 3.

The loading module is put into the container.jpg

(The loading module is put into the container)

(2) Move out the Mobile Plant from the Container

Step 1: Rotate up all the lifting screw rods of the loading module which is being moved out to make all the idler wheels bear the load.

Step 2: Use the crane (or forklift) to lift (or hold up) the loading module and move it out of the container slowly, descend until the distal two idler wheels move to the door of the container, and change the lifting position to move the loading module to the required location.

Step 3: Move out the other loading modules according to the method of step 1 and step 2.

Step 4: The lifting screw rod should be rotated down to make the idler wheel barely load-bearing if there is some more transportation. If in the working site, firstly the lifting screw rod should be rotated down, let the idler wheel leave the ground. Secondly, adjust the height of the idler wheel to make the lowest level higher than the surface of the under the pan, ultimately rotate up the lifting screw rod to make the lower plane of the under pan touch the ground, connect the fastener between each loading modules to make the whole mobile plant to unite as one. Ultimately connect the electrical appliances and the quick connections along the pipeline of each loading module according to the mineral processing technology to meet with the requirement of the whole design.

The diagram of shipment to the platform lorry 1.jpg

The diagram of shipment to the platform lorry 2.jpg

(The diagram of shipment to the platform lorry)

05 System Operation

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(1) The attention to each companion single machine equipment's operation can refer to the demand for crusher, grinding mill and beneficiation machinery.

(2) No-load start: Check if there is material in each crusher, grinding mill and other equipment. If yes, the material should be cleared away before starting.

(3) Start / Stop steps: In order to ensure the machinery of the mobile crushing screening station no-load start smoothly, the last stage of the process should be started first, and then step by step .while stop working, the first stage of the process should be stopped first, and then step by step.

(4) Safety attention: When the machinery such as crusher, grinding mill, flotation cell, leaching tank and other equipment is in running state, forbid putting hands into it for maintenance. Account of the mechanical layout is very compact in the mobile beneficiation plant, forbid walking on the machinery for maintenance in operation generally.

(5) The max size of ore should be less than the max feed size of the jaw crusher, the size of 100mm is better, oversize and heap up are not allowed.

(6) Start and stop the machinery with the material in the beneficiation plant is not allowed.

Russian 2tpd mobile copper-tin tailings processing plant.jpg

(Russian 2tpd mobile copper-tin tailings processing plant)

06 System Daily Maintenance

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The machinery should be lubricated as required, pay attention to fastening loose fastener. When the machinery of the mobile crushing screening station is in operation, pay attention to the noise and vibration frequently. And stop the machinery quickly when the noise and vibration are overlarge. After commissioning, no-load restart in order.

When the machinery of the mobile crushing screening station are in operation, pay attention to observing the quality and yield of the product. When they are not normal, maybe the crusher or screen is blocked or damaged.

07 System Repair

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In order to keep good usability of the mobile concentration machinery, except for normal maintenance, there still needs to conduct a minor repair, medium repair and heavy repair as planned. The plan of maintenance is suggested according to the maintenance requirements of machinery for each part used. Because of the difference in the repairing plan of each machinery, parts of machinery's maintenance can be changed when conditions permit. This can reduce the time of halt and maintenance, and improve the use ratio of machinery.

08To Wrap Up

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The above are the complete introduction about mobile mineral processing plant. If you have other questions or want to customize your mobile processing system, you can contact the service online or leave your message.


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