CN101195098A - Large scale ore pulverizing method - Google Patents
Large scale ore pulverizing method Download PDFInfo
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- CN101195098A CN101195098A CNA2007103036306A CN200710303630A CN101195098A CN 101195098 A CN101195098 A CN 101195098A CN A2007103036306 A CNA2007103036306 A CN A2007103036306A CN 200710303630 A CN200710303630 A CN 200710303630A CN 101195098 A CN101195098 A CN 101195098A
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Abstract
The invention discloses a method for breaking ores with large scales, and relates to the method for breaking over-sized ores whose diameters are over one meter. The invention is characterized in that the breaking procedure comprises hoisting broken target ores to a steel grid sieve, using a breaking hammer of a hydrostatic stone-breaker to directly attack the breaking target ores, and feeding standard ores which pass through holes of the steel grid sieve after breaking to the stone-breaker through an ore slider for breaking. The method of the invention enables the hydrostatic stone-breaker to break continuously, breaking productive efficiency is high, breaking grain size is less than 350mm, the technique operation is simple, the needed operational staffs are few, and the service life of the equipment is long.
Description
Technical field
A kind of breaking method of large scale ore relates to the breaking method of a kind of diameter greater than 1 meter super large piece size ore.
Background technology
In ore dressing disintegrating apparatus process, diameter is greater than 1 meter ore (super large piece size ore), its breaking method usually earlier adopt smash machine pound be broken to disintegrating apparatus can broken feed preparation unit size scope, by ore feeder ore is fed disintegrating apparatus then and carries out fragmentation.
Smashing the machine operation principle is to utilize volume poplar system will smash tup to bring up to certain height, by tup freely falling body breaking ores.Owing to smash equipment and the relative original backwardness of its supporting ore feeder (mostly being electronic Rabble mine winch) at present both at home and abroad, smash the working time prolongation, smash product granularity big, smash the work that machine and ore feeder can't be continuous, because of the mine-supplying quantity fluctuation disintegrating machine accident takes place often, cause wholely smash, the production efficiency of crushing system is low, worker's labour intensity is big, is difficult to satisfy the broken needs of producing.This breaking method is all adopted in domestic and international big-and-middle-sized ore dressing plant at present, and other advanced breaking method does not still have bibliographical information.
Summary of the invention
The objective of the invention is deficiency, a kind of new and effective crushing technology is provided at above-mentioned existing breaking method existence.
The present invention is achieved by the following technical solutions.
A kind of breaking method of large scale ore, it is characterized in that its shattering process is the purpose mineral with fragmentation, winch on the steel diagrid, directly impacting the purpose mineral by the hydraulic lithotriptor quartering hammer carries out broken, the qualified ore in broken back passes steel diagrid hole, carries out fragmentation by feed disintegrating machine to milling hole.
Method of the present invention adopts the hydraulic lithotriptor quartering hammer directly to impact the purpose mineral and carries out fragmentation.This crushing system smashes system with tradition to be compared, and the broken impulsive force of its hydraulic lithotriptor quartering hammer is big, and broken shock point area is little, broken shock point standard, and the crushing hammar drill rod speed of rising and falling is fast, broken production efficiency height; Effectively reduced and smashed electronic Rabble mine winch rake ore deposit, back and give the ore deposit link, can continuous operation, because the steel diagrid has the effect of fractureing to broken purpose mineral, thereby the crushing efficiency height; The personnel of hydraulic lithotriptor action need are few simultaneously, technological operation is simple, labour intensity is low, different operating personnel breaking ores quantity in the unit interval is more or less the same, and by steel diagrid control particle size after cracking, avoid because of mine-supplying quantity fluctuation or the inhomogeneous disintegrating machine fault that causes of particle size after cracking vibrationproof, vibration absorber being installed simultaneously, the equipment useful life prolongs.
The specific embodiment
A kind of breaking method of large scale ore, its crushing process process is the purpose mineral with the needs fragmentation, winch on the steel diagrid that smashes the field, directly impacting the purpose mineral by the hydraulic lithotriptor quartering hammer carries out broken, the qualified ore in broken back passes steel diagrid hole, carries out fragmentation by feed disintegrating machine to milling hole.
Embodiment 1
Break mined material is high nickel matte ingot bar, and high nickel matte ingot casting is the intermediate products in the nickel smelting process, and its ingot casting length and width height is of a size of (unit: rice) 3.0 * 2.5 * 1.0, about 25 tons of monolithic ingot casting weight, Vickers hardness Hv:239.63～242.75kg/mm
2, mohs hardness: 4.23, density: 5.66kg/dm
3, specific susceptibility: 43.96 (1 * 10
-6Cm
3/ g), can be extended to the fragmentation of other similar smelting ingot casting or natural ore, 1～5 meter of broken ingot casting size.
One 32 ton bridge crane machine of broken industrial equipment choosing, PC220-7 hydraulic lithotriptor and PEF600 * 900 jaw crushers, being equipped with a screen size is that 350 * 350 steel diagrids and a steel are given milling hole.
When broken, with 25 tons high nickel matte ingot bars, winch on the steel diagrid that smashes the field through 32 ton bridge crane machines earlier, directly impact the high nickel matte of purpose mineral by PC220-7 hydraulic lithotriptor quartering hammer (drill steel diameter 150mm) and carry out fragmentation, broken back granularity is passed steel diagrid hole less than the qualified ore of 350mm, be crushed to less than 150mm by feed PEF600 * 900 jaw crushers to milling hole then, in small, broken bits being crushed to requires granularity in the process again.
The hydraulic lithotriptor continuous crushing, broken production efficiency height, 60t/h platform, particle size after cracking are less than 350mm, and technological operation is simple, needs operating personnel few, equipment operating period limit for length.
Claims (1)
1. the breaking method of a large scale ore, it is characterized in that its shattering process is the purpose mineral with fragmentation, winch on the steel diagrid, directly impacting the purpose mineral by the hydraulic lithotriptor quartering hammer carries out broken, the qualified ore in broken back passes steel diagrid hole, carries out fragmentation by feed disintegrating machine to milling hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103036306A CN101195098A (en) | 2007-12-20 | 2007-12-20 | Large scale ore pulverizing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103036306A CN101195098A (en) | 2007-12-20 | 2007-12-20 | Large scale ore pulverizing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101195098A true CN101195098A (en) | 2008-06-11 |
Family
ID=39545835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103036306A Pending CN101195098A (en) | 2007-12-20 | 2007-12-20 | Large scale ore pulverizing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101195098A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430461A (en) * | 2011-10-21 | 2012-05-02 | 昆明理工大学 | Method of determining particle sizes of ore needed in ore grinding process |
| CN102600922A (en) * | 2012-01-13 | 2012-07-25 | 中钢集团鞍山热能研究院有限公司 | Primary crushing method of coal-series needle coke and device thereof |
| CN105772146A (en) * | 2016-03-22 | 2016-07-20 | 中国恩菲工程技术有限公司 | Ferromolybdenum crushing device |
| CN106238129A (en) * | 2016-08-30 | 2016-12-21 | 河南威猛振动设备股份有限公司 | A kind of attrition crushing device and feeding system |
| CN108278126A (en) * | 2018-04-03 | 2018-07-13 | 长沙矿山研究院有限责任公司 | A kind of intelligent Pass drawing system |
-
2007
- 2007-12-20 CN CNA2007103036306A patent/CN101195098A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430461A (en) * | 2011-10-21 | 2012-05-02 | 昆明理工大学 | Method of determining particle sizes of ore needed in ore grinding process |
| CN102600922A (en) * | 2012-01-13 | 2012-07-25 | 中钢集团鞍山热能研究院有限公司 | Primary crushing method of coal-series needle coke and device thereof |
| CN102600922B (en) * | 2012-01-13 | 2014-01-29 | 中钢集团鞍山热能研究院有限公司 | Primary crushing method of coal-series needle coke |
| CN105772146A (en) * | 2016-03-22 | 2016-07-20 | 中国恩菲工程技术有限公司 | Ferromolybdenum crushing device |
| CN105772146B (en) * | 2016-03-22 | 2019-01-08 | 中国恩菲工程技术有限公司 | Molybdenum-iron coarse crushing device |
| CN106238129A (en) * | 2016-08-30 | 2016-12-21 | 河南威猛振动设备股份有限公司 | A kind of attrition crushing device and feeding system |
| CN108278126A (en) * | 2018-04-03 | 2018-07-13 | 长沙矿山研究院有限责任公司 | A kind of intelligent Pass drawing system |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080611 |