CN102513200A - Raw ore grinding, pulping and conveying system - Google Patents
Raw ore grinding, pulping and conveying system Download PDFInfo
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- CN102513200A CN102513200A CN2011104198183A CN201110419818A CN102513200A CN 102513200 A CN102513200 A CN 102513200A CN 2011104198183 A CN2011104198183 A CN 2011104198183A CN 201110419818 A CN201110419818 A CN 201110419818A CN 102513200 A CN102513200 A CN 102513200A
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Abstract
The invention provides a raw ore grinding, pulping and conveying system. The system is composed of an ore feeding device, a crusher, a semi-automatic grinding machine, a classifying screen and an ore pulp conveying device, wherein the ore pulp conveying device comprises an ore pulp conveying pipeline and a conveying pump; the conveying pump is a long-distance conveying pipeline composed of a plurality of straight pipes and a plurality of bent pipes; and the conveying pipeline is arranged on a mountain slope which has a level line, a gradient slope and a bent line. The occupied area of the system is small and the configuration is simple. With the adoption of the system, raw ores are crushed and classified, so that the raw ores are treated to obtain high-concentration and coarse-fraction ore pulp of the raw ores; the treatment is simple and the treating time is short. The treated ore pulp of the raw ores is conveyed by the ore pulp conveying device so that a long-distance transportation problem of the raw ores is solved. According to the system provided by the invention, the adaptability to the change of ore properties is enhanced and the problems that unsmooth flow and low treatment efficiency which are caused by blocking ore dressing equipment when raw ore materials with larger mud content are treated are effectively solved.
Description
Technical field
The present invention relates to the technique of preparing field, specifically, relate to a kind of raw ore mill ore pul making induction system.
Background technology
In the ore beneficiation field, exist raw ore is transported to the difficulty under the mountain from the mine all the time.This be because, on the one hand the mine is apart from the ore dressing plant distance under the mountain, for example, the distance of several kilometers or tens of kilometers.On the other hand, the mine often has the very big gradient and route that can tubing wriggles.With the vanadium titano-magnetite is example, and vanadic titanomagnetite deposit distributes extensively, and reserves are abundant, and reserves and yield occupy the 3rd of national iron ore.Areas such as the vanadium titano-magnetite of China mainly is distributed in the Sichuan Panzhihua Region, the Chengde is regional, the Hanzhong is regional, Yun county, Hubei sun.With the Sichuan Panxi Diqu is example; Vanadium titano-magnetite ore dressing factory build under the mountain that has with a certain distance from the mine mostly; Owing to exist the problems referred to above to cause raw ore to carry difficulty big, therefore need to adopt ore-sorting system that raw ore is handled, sorting is carried out in the ore dressing plant that is transported to then under the mountain.
At present; The normal technology that adopts three sections traditional fragmentations to add ball milling in the vanadium titano-magnetite ore dressing, this technological process is longer, and intermediate link is many; And the equipment that this technology is used comprises numerous belts that are used for the material transportation, so the integral device floor space is big, input cost is high.After through broken and ball-milling technology, traditional handicraft does not find good way that the raw ore ore pulp of handling well is transported to the ore dressing plant.Particularly when handling the big mineral aggregate of clay content, ore pulp often stops up preparation equipment, causes that flow process is smooth, treatment effeciency is low, even add the washup operation also because of the clay content fluctuation is too big, ore pulp is carried and can not effectively be worked.
Summary of the invention
In order to solve one or more problems of the prior art; The invention provides a kind of raw ore mill ore pul making induction system; This system is made up of mine-feeding equipment, disintegrating machine, semi-autogenous mill, classifying screen and ore pulp transport; Wherein, said ore pulp transport comprises ore pulp conveyance conduit and delivery pump; Wherein, the long-distance transmission pipeline that said ore pulp conveyance conduit is made up of a plurality of straight tubes and a plurality of bend pipe, said conveyance conduit is arranged on the hillside that has level line, the gradient, bend simultaneously.
The ore pulp transport is the structure that is assembled into one.The ore pulp conveyance conduit is an abrasion-proof pipe.
The diameter of ore pulp conveyance conduit is confirmed according to the ore pulp amount and the flow rate of pulp of carrying.
Delivery pump is a Centrifugal Slag Pump, and the lift of said Centrifugal Slag Pump is confirmed according to the loss of carrying the discrepancy in elevation and pipe-line system.
The gravity concentration scope of said transport institute transfer ore pulp is 30%～50%, and particle size range is at 0-3mm.
Mine-feeding equipment is apron feeder or material drag belt conveyor.
Disintegrating machine is a jaw crusher, and the ore discharge granularity of its ore discharge is 0-250mm, and maximum particle size is 300mm.
Semi-autogenous mill is the wet type semi-autogenous mill.Feed preparation unit size is 0-273.3mm, and product granularity is 0-3mm.Steel ball size 150mm, steel ball pack completeness 8-10%.Semi-Autogenous ore milling concentration (weight concentration) controls to 60%～80%.If excessive concentration; Then ore through overlong time, influences production capacity in semi-autogenous mill, and can increase the phenomenon of pulverizing; If concentration is low excessively; Then ore is too short through the time in semi-autogenous mill, and the granularity of ore milling product does not reach requirement, so in the method for the invention Semi-Autogenous ore milling concentration is controlled in the above-mentioned scope.
Classifying screen is a linear vibrating screen.The screen size of linear vibrating screen is 3mm.Undersize pulp density (weight concentration) is controlled at 30%～50%.
Raw ore mill ore pul making induction system provided by the invention configuration is simple.Through this system the raw ore ore is carried out broken classification, thereby is high concentration, coarsely graded raw ore ore pulp the raw ore ore treatment, handle simple and the processing time short.Raw ore ore pulp after the processing carries through the ore pulp transport, solved raw ore from mine with gradient through the problem of long-distance transportation under the mountain.This system strengthens the adaptive capacity of ore change of properties, efficiently solves when handling the bigger ore materials of clay content the problem that flow process is smooth, treatment effeciency is low that the obstruction of preparation equipment is caused.
Description of drawings
Fig. 1 shows the block diagram of use according to the technological process of raw ore mill ore pul making induction system of the present invention.
The specific embodiment
Through following operation principle, and the detailed description of following embodiment, it is obvious that advantage of the present invention, characteristics and/or aspect will become.
The objective of the invention is to realize through following design: make the raw ore ore process high concentration and coarse grain ore pulp directly through broken with ore grinding, employing delivery pump (the Centrifugal Slag Pump pump head reaches as high as 90 meters, the granularity that can transport at 0-3mm, the weight concentration ore pulp at 30-50%) is transported to ore pulp through long pipeline and carries out sorting under the mountain.
Raw ore mill ore pul making induction system according to the present invention is made up of mine-feeding equipment, disintegrating machine, semi-autogenous mill, classifying screen and ore pulp transport, and wherein, the ore pulp transport comprises ore pulp conveyance conduit and delivery pump.
Adopt raw ore of the present invention mill ore pul making induction system can accomplish ore materials from being crushed to the raw ore ore pulp and being transported to the technical process in ore dressing plant.Concrete technological process is following.
At first, near the raw ore ore grinding mixing plant that the stope, is provided with, the employing disintegrating machine will be as the v-ti magnetite ore reduction of raw ore, and wherein, the granularity of v-ti magnetite raw ore ore is below the 1200mm.The ore discharge granularity of disintegrating machine is 0-250mm, and maximum ore discharge granularity is controlled at below the 300mm.
Next, ore process heavy-duty plate feeder after the fragmentation or material drag belt conveyor feed and carry out wet grinding in the semi-autogenous mill, and semi-autogenous mill is measured to ore deposit and feedwater, and the ore milling concentration (weight concentration) of control semi-autogenous mill is to 60%～80%.
Next; The ore of from semi-autogenous mill, discharging is through the straight-line oscillation sieve classification; The screen size of linear vibrating screen is 3mm, and the coarse fodder product returns in the semi-autogenous mill through ribbon conveyer and regrinds on the sieve, and sieve fines product (particle diameter is below the 3mm) down is mill back product.Undersize pulp density (weight concentration) controls to 30%～50%, and the average particle diameter is controlled at about 1mm.
Undersize gets into slime dam, is delivered to by abrasion-proof pipe in the stages of magnetic separation machine that selects factory under the mountain through delivery pump to sort.Wherein, wear-resisting conveyance conduit has been laid on the hillside as required, and the gradient of laying of pipeline generally is controlled at 0.02～0.1, and the length of laying can be several kilometers or tens kilometers.
Embodiment 1
The ore pulp transport that employing is made up of ore pulp conveyance conduit and delivery pump is delivered to the v-ti magnetite green ore ore pulp of handling well under the mountain.Fed distance 7km, 460 meters of the two places discrepancy in elevation, 2,000,000 tons in year conveying ore (to do the ore deposit amount), making the weight concentration of the ore pulp of gained through broken ore grinding processing ore is 30%, the particle mean size of ore pulp is 0.5mm.Under above-mentioned pipeline laying condition, adopting internal diameter is the steel rubber complex abrasion-proof pipeline transfer ore pulp of 240mm, and origin or beginning is established Centrifugal Slag Pump and raised and send ore pulp, and dehvery lift is 15m, has guaranteed that the ore pulp smooth delivery of power is to the destination.
Embodiment 2
The ore pulp transport that employing is made up of ore pulp conveyance conduit and delivery pump is delivered to the v-ti magnetite green ore ore pulp of handling well under the mountain.Fed distance 7km, 460 meters of the two places discrepancy in elevation, 2,000,000 tons in year conveying ore (to do the ore deposit amount), making the weight concentration of the ore pulp of gained through broken ore grinding processing ore is 40%, the particle mean size of ore pulp is 1mm.Under above-mentioned pipeline laying condition, adopting internal diameter is the steel rubber complex abrasion-proof pipeline transfer ore pulp of 200mm, and origin or beginning is established Centrifugal Slag Pump and raised and send ore pulp, and dehvery lift is 20m, has guaranteed that the ore pulp smooth delivery of power is to the destination.
Embodiment 3
The ore pulp transport that employing is made up of ore pulp conveyance conduit and delivery pump is delivered to the v-ti magnetite green ore ore pulp of handling well under the mountain.Fed distance 7km, 460 meters of the two places discrepancy in elevation, 2,000,000 tons in year conveying ore (to do the ore deposit amount), making the weight concentration of the ore pulp of gained through broken ore grinding processing ore is 45%, the particle mean size of ore pulp is 1mm.Under above-mentioned pipeline laying condition, adopting internal diameter is the steel rubber complex abrasion-proof pipeline transfer ore pulp of 200mm, and origin or beginning is established Centrifugal Slag Pump and raised and send ore pulp, and dehvery lift is 25m, has guaranteed that the ore pulp smooth delivery of power is to the destination.
Raw ore ore pulp transport of the present invention is the integrative-structure of assembling, the abrasion-proof pipe of being made up of pipe fittings such as straight tube and elbows.Because the raw ore pulp density of carrying is high, particle diameter is thick; Fed distance long (from several kilometers to tens kilometers); Therefore control the flow velocity that ore pulp is carried according to rational calibers of selections such as the concentration of original ore property, ore pulp, grade compositions, generally flow velocity is controlled at greater than 3m/s and is advisable; Select rational pipeline vestibule according to orographic condition, avoid passing through the area of crossing over geologic ill; Select rational system of laying, can adopt and lay along ground or built on stilts laying, also or the two combine; The gradient is laid in assurance, generally is controlled at 0.02～0.1; Adopt the elbow of larger radius of curvature at the turning; Can guarantee ore slurry pipeline not plugging under normal conveying situation through above-mentioned measure, reduce pipe wear simultaneously.Abrasion-proof pipe can adopt steel and rubber compound tube, glass-ceramic tubre etc., selects the abrasion-proof pipe of economical rationality as required, makes ore slurry pipeline under the normal wear situation, improves the service life of ore slurry pipeline.
Raw ore of the present invention mill ore pul making induction system is arranged near the stope, and the stope is apart from the foot of the mountain the ore dressing plant discrepancy in elevation big (for example, hundreds of rice), distance (for example, several kilometers) far away are set.Can adopt according to raw ore mill ore pul making induction system of the present invention; Promptly adopt long-distance pipe and delivery pump to carrying through broken and Semi-Autogenous high concentration, coarsely graded raw ore ore pulp; Solved the transportation problem that ore is gone down the hill; Technological process is simple, practices thrift operating cost and raw ore cost of transportation, safety and environmental protection.
Claims (9)
1. a raw ore mill ore pul making induction system is characterized in that said system is made up of mine-feeding equipment, disintegrating machine, semi-autogenous mill, classifying screen and ore pulp transport, and wherein, said ore pulp transport comprises ore pulp conveyance conduit and delivery pump; Wherein, the long-distance transmission pipeline that said ore pulp conveyance conduit is made up of a plurality of straight tubes and a plurality of bend pipe, said conveyance conduit is arranged on the hillside that has level line, the gradient, bend simultaneously.
2. raw ore grinds the ore pul making induction system according to claim 1, it is characterized in that said ore pulp transport is the structure that is assembled into one, and said ore pulp conveyance conduit is an abrasion-proof pipe.
3. raw ore grinds the ore pul making induction system according to claim 1, it is characterized in that, the diameter of said ore pulp conveyance conduit is confirmed according to the ore pulp amount and the flow rate of pulp of carrying.
4. the system of claim 1 is characterized in that, said delivery pump is a Centrifugal Slag Pump, and the lift of said Centrifugal Slag Pump is confirmed according to the loss of carrying the discrepancy in elevation and pipe-line system.
5. raw ore mill ore pul making induction system according to claim 1 is characterized in that, the weight concentration scope of said transport institute transfer ore pulp is 30%～50%, and particle size range is at 0-3mm.
6. the system of claim 1, wherein, said mine-feeding equipment is apron feeder or material drag belt conveyor.
7. the system of claim 1, wherein, said disintegrating machine is a jaw crusher.
8. the system of claim 1, wherein, said semi-autogenous mill is the wet type semi-autogenous mill.
9. the system of claim 1, wherein, said classifying screen is a linear vibrating screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011104198183A CN102513200A (en) | 2011-12-15 | 2011-12-15 | Raw ore grinding, pulping and conveying system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104198183A CN102513200A (en) | 2011-12-15 | 2011-12-15 | Raw ore grinding, pulping and conveying system |
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| CN102513200A true CN102513200A (en) | 2012-06-27 |
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| CN2011104198183A Pending CN102513200A (en) | 2011-12-15 | 2011-12-15 | Raw ore grinding, pulping and conveying system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100475A (en) * | 2013-02-05 | 2013-05-15 | 玉溪大红山矿业有限公司 | High-efficiency concentrate ore pulp processing device suitable for long-distance pipeline transportation |
| CN104847357A (en) * | 2015-04-28 | 2015-08-19 | 中国矿业大学 | Pumper and pipeline transportation type semicontinuous mining transportation technology for open-pit mine |
| CN114682367A (en) * | 2022-04-01 | 2022-07-01 | 攀钢集团攀枝花钢铁研究院有限公司 | Grinding and selecting method of vanadium titano-magnetite |
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| US3514217A (en) * | 1968-02-23 | 1970-05-26 | Shell Oil Co | Method of controlling pipeline slurries |
| CN1583533A (en) * | 2004-05-27 | 2005-02-23 | 张明玲 | Red mud transporting method in pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103100475A (en) * | 2013-02-05 | 2013-05-15 | 玉溪大红山矿业有限公司 | High-efficiency concentrate ore pulp processing device suitable for long-distance pipeline transportation |
| CN103100475B (en) * | 2013-02-05 | 2015-02-18 | 玉溪大红山矿业有限公司 | High-efficiency concentrate ore pulp processing device suitable for long-distance pipeline transportation |
| CN104847357A (en) * | 2015-04-28 | 2015-08-19 | 中国矿业大学 | Pumper and pipeline transportation type semicontinuous mining transportation technology for open-pit mine |
| CN114682367A (en) * | 2022-04-01 | 2022-07-01 | 攀钢集团攀枝花钢铁研究院有限公司 | Grinding and selecting method of vanadium titano-magnetite |
| CN114682367B (en) * | 2022-04-01 | 2023-10-27 | 攀钢集团攀枝花钢铁研究院有限公司 | Grinding and selecting method of vanadium titano-magnetite |
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Application publication date: 20120627 |