Integrated equipment of dry concentration, rough concentration and fine concentration of waste disposal site and technique thereof
A technology of dumping and dry separation, applied in solid separation, chemical instruments and methods, magnetic separation, etc., can solve the problems of difficult selection of production line site selection, increased one-time investment, and impact on production efficiency, and achieve production organization Fluency, ore grade improvement, and sufficient sorting effect
Active Publication Date: 2009-09-23
SHOUGANG CORPORATION
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[0002] To improve the raw ore grade of dry-separated ore, we can learn from the experience of Peizhuang dry-separated, that is, to install another beneficiation production line in the Erma area, and to concentrate on the rough-separated ore of the current two dry-separators, but considering the Erma area Due to the conditions of the dump site and the capacity matching of rough selection and selection, it is very diff
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[0023] Implementation status: The implementation status of the rough and fine integrated dry separator for the construction of the second horse workshop in Dashihe Iron Mine of Shougang Mining Company is as follows:
[0024] (1) The size of the entrance of the feeding bin is 4m*6m. The bar-shaped screen is made of ∮219 steel pipe on the bin. The distance between the screen holes is 300mm, which can meet the straight turning strength of a 42-ton mine car. The outlet of the feeding bin is 1000mm*400mm, and a vibrating dustpan is installed. .
[0025] (2) Conveyor belt, width 1400mm, length 35 meters, middle transmission.
[0026] (3) Large block dry separator (magnetic drum): CTDG1600 large-size dry separator is selected, the field strength of the cylinder surface is 4000 Oersted; the field strength at 250mm from the cylinder surface is 500 Oersted; the maximum processing particle size is 350mm: magnetic package Angle 135°
[0027] (4) Waste rock silo: 32 liters, meeting the c...
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Abstract
The invention relates to an integrated equipment of dry concentration, rough concentration and fine concentration of a waste disposal site and a technique thereof, belonging to the technical of ore concentration. The equipment comprises a feeding bin, a material-conveying belt, a large-block dry concentration machine, a waste stone bin, a material separator, a vibration sieve, a fine concentration machine. The invention adds the functions of sieving and fining, optimizes and combines the original two working procedures of rough concentration and fine concentration into one working procedure, completes integration of rough concentration and fine concentration on one equipment, thus leading the production flow to be more simple and the production organization to be more smooth and reducing the section of feeding of a fine concentration forklift and nursing staffs for separately fine concentration. As the feeding of the ore concentration part is equal and stable, the sorting of ore rock parts is complete, drifting level reaches below 7 percent so as to lead ore resource of the waste disposal site to obtain complete utilization; the invention realizes two times of sorting by roughing and fining, has obvious effect for fine extraction action and improves the ore level by 6 percent compared with that of ore recovered by a common dry concentration machine.
Description
technical field [0001] The invention belongs to the technical field of ore dressing, and in particular provides an integrated equipment for roughing and beneficiating in a dump site and a process thereof. Background technique [0002] To improve the raw ore grade of dry-separated ore, we can learn from the experience of Peizhuang dry-separated, that is, to install another beneficiation production line in the Erma area, and to concentrate on the rough-separated ore of the current two dry-separators, but considering the Erma area Due to the conditions of the dump site and the capacity matching of rough selection and selection, it is very difficult to choose a site for another selection production line in the Erma area. Even if a new selection production line is built, the increase of corresponding equipment and the matching of trucks, shovels and dry selection machines They all need to be done again, which not only increases the one-time investment, but also brings greater dif...
Claims
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Login to view more IPC IPC(8): B07B15/00B07B1/28B03C1/10
Inventor 王鹤年刘作利蒋文利阎尚敏杨福印马洪生刘爱民雷立国邵彪吕振彪杨人活
Owner SHOUGANG CORPORATION
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