CN105797829A - Three-stage crushing method of crusher - Google Patents
Three-stage crushing method of crusher Download PDFInfo
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- CN105797829A CN105797829A CN201410844900.4A CN201410844900A CN105797829A CN 105797829 A CN105797829 A CN 105797829A CN 201410844900 A CN201410844900 A CN 201410844900A CN 105797829 A CN105797829 A CN 105797829A
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- crusher
- screening
- vibrosieve
- crushing
- prescreening
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 46
- 238000012216 screening Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 5
- 230000002950 deficient Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract 2
- 239000002245 particle Substances 0.000 description 7
- 238000000227 grinding Methods 0.000 description 5
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
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- Disintegrating Or Milling (AREA)
Abstract
The invention relates to a three-stage crushing method of a crusher. The method comprises the steps of: letting raw ore enter a bar screen to conduct prescreening so as to separate fine grains from the raw ore, thus alleviating the crusher load; making an oversize material enter a jaw crusher, performing crushing to obtain product and a bar screen undersize material both falling to a vibrating screen, performing screening, letting the undersize material enter an intermediate crushing cone crusher and falling to the vibrating screen, and letting the product discharged from the intermediate crushing cone crusher also fall to the vibrating screen; after screening, making the oversize material enter a fine crushing cone crusher again, thus realizing prescreening and inspection screening of the vibrating screen, with the inspection screening being used for screening the crusher discharged material and the mesh size being equal to that of prescreening; and letting the oversize unqualified material enter the fine crushing cone crusher and return to the vibrating screen, and making the undersize qualified product fall into a stock bin and then sending the product into a ball mill, and letting the oversize unqualified material on the vibrating screen enter the fine crusher again. The method provided by the invention is applied to material crushing.
Description
Technical field:
The present invention relates to a kind of disintegrating machine syllogic breaking method.
Background technology:
Large granular materials is become the process of small particles material and is called broken by all external force, and the machinery of its use is called disintegrating machine.Small particles material is become the process of powder material and is called grinding or grinds by all external force, and its machinery used is called grinding machine (ball mill).Joining together to be called for short by broken and grinding and pulverize or comminution, the machinery used is called for short size reduction machinery or crushing and milling type machine.It is introduced in the world about 15% power consumption at comminution process, and increase year by year, wherein more than 85% is used for grinding.Along with the regrown material that lean ore increases, construction material demand is continuously increased, industrial utilization accumulates, to occupy ratio more and more big, in addition energy shortage, it is badly in need of updating comminution operation, as adopted " much broken and lessmill " technique, particularly developing efficient pulverizing equipment and improve existing crushing and milling type machine, for reaching high-quality, high yield, low cost, low energy consumption have very important significance.
Summary of the invention:
It is an object of the invention to provide a kind of disintegrating machine syllogic breaking method.
Above-mentioned purpose is realized by following technical scheme:
A kind of disintegrating machine syllogic breaking method, its method comprises the steps: that raw ore enters bar screen and carries out prescreening, fine fraction in raw ore is separated, thus alleviating disintegrating machine load；On-the-sieve material enters in jaw crusher, and after crushing, products obtained therefrom and rod undersize material are all fallen in vibrosieve, after screening, broken gyratory crusher in undersize material entrance, undersize material is fallen in vibrosieve, and the product that therefrom broken gyratory crusher is discharged also is fallen in vibrosieve；After screening, on-the-sieve material enters back in gyratory crusher in small, broken bits, and such vibrosieve is prescreening and check screening, and the effect of check screening is that disintegrating machine discharge material is sieved, and its screen size is equal to prescreening screen size；On sieve, underproof material enters gyratory crusher in small, broken bits, and returns to vibrosieve, and sieves lower certified products and fall into feed bin, is then fed to ball mill, and the defective material in vibrosieve enters back into fine crusher.
Beneficial effect:
After utilizing the inventive method to be crushed by material, its specific surface area increases, and improves the effect of physical action and the speed of chemical reaction.The inventive method is applicable to the broken nitre machines such as jaw, cycle, circular cone, roll-type, can by 1000mm bulk materials, primary fragmentation 10～below 30mm, by 600mm bulk materials, primary fragmentation to below 0.044mm, namely machine can complete slightly, in small, broken bits or carse, medium and small broken and whole operations of grinding.
Accompanying drawing illustrates:
Accompanying drawing 1 is the crushing and screening flow chart of the present invention.
Detailed description of the invention:
Embodiment 1:
A kind of disintegrating machine syllogic breaking method, its method comprises the steps: that raw ore enters bar screen 1 and carries out prescreening, so fine fraction in raw ore can be separated, thus alleviating disintegrating machine load.On-the-sieve material enters in jaw crusher 2, and after crushing, products obtained therefrom and No. 1 undersize material are all fallen in vibrosieve 3.After screening, broken gyratory crusher (abbreviation intermediate crusher) in undersize material entrance, undersize material is fallen in vibrosieve 5, and the product discharged from intermediate crusher 4 is also fallen vibrosieve 5.After screening, on-the-sieve material enters back into gyratory crusher 6(in small, broken bits abbreviation fine crusher) inner.So, vibrosieve 5 is prescreening and check screening.The effect of check screening, is that disintegrating machine discharge is sieved, and its screen size is substantially equal to prescreening screen size.On sieve, underproof material enters fine crusher 6, and its product returns to vibrosieve 5, and sieves lower certified products and fall into feed bin 7, is then fed to ball mill 8.Defective material in vibrosieve 5 enters back into fine crusher 6.
In this flow process, fine crusher is closed circuit crushing, and jaw crusher and intermediate crusher are all open circuit crushings.Jaw crusher is single stage crushing (primary fragmentation).Intermediate crusher is two-stage crushing (second-time breakage), and fine crusher is t section broken (tertiary crushing).Whole flow process be alternatively referred to as coarse crushing section, in broken section, in small, broken bits section and reduction stage.
Embodiment 2:
Described disintegrating machine syllogic breaking method, it weighs crusher in crushing effect, conventional broken than this concept.Crusher in crushing ratio is exactly raw material granularity and the ratio of broken rear product granularity, and it represents the multiple that broken rear raw material reduces.Broken ratio (i) has following several computational methods: (1) calculates with the ratio of broken front material maximum particle size with broken rear product maximum particle size: I=D
max
/d
max
D in formula
max
Material maximum particle size before broken；d
max
Material maximum particle size after broken.(2) by the ratio calculation of disintegrating machine material inlet effective width and width of discharge opening: B disintegrating machine material inlet width in I=0.85B/b formula: b disintegrating machine width of discharge opening.In formula 0.85 is for ensureing that the effective width coefficient of material bitten by disintegrating machine.The value of width of discharge opening b, boulder crusher takes maximum discharge door width, in, fine crusher take minimum width of discharge opening.Calculate broken ratio easily with above formula, because often bulk material not done sieve analysis aborning, but only it is to be understood that disintegrating machine material inlet and width of discharge opening, just can calculate broken ratio by above formula.(3) calculate by particle mean size: I=D
cp
/d
cp
D in formula
cp
The average diameter of material: d before broken
cp
The average diameter of material after broken.
Claims (1)
1. a disintegrating machine syllogic breaking method, is characterized in that: its method comprises the steps: that raw ore enters bar screen and carries out prescreening, fine fraction in raw ore is separated, thus alleviating disintegrating machine load；On-the-sieve material enters in jaw crusher, and after crushing, products obtained therefrom and rod undersize material are all fallen in vibrosieve, after screening, broken gyratory crusher in undersize material entrance, undersize material is fallen in vibrosieve, and the product that therefrom broken gyratory crusher is discharged also is fallen in vibrosieve；After screening, on-the-sieve material enters back in gyratory crusher in small, broken bits, and such vibrosieve is prescreening and check screening, and the effect of check screening is that disintegrating machine discharge is sieved, and its screen size is equal to prescreening screen size；On sieve, underproof material enters gyratory crusher in small, broken bits, and returns to vibrosieve, and sieves lower certified products and fall into feed bin, is then fed to ball mill, and the defective material in vibrosieve enters back into fine crusher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410844900.4A CN105797829A (en) | 2014-12-31 | 2014-12-31 | Three-stage crushing method of crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410844900.4A CN105797829A (en) | 2014-12-31 | 2014-12-31 | Three-stage crushing method of crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105797829A true CN105797829A (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410844900.4A Pending CN105797829A (en) | 2014-12-31 | 2014-12-31 | Three-stage crushing method of crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105797829A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107051695A (en) * | 2017-05-08 | 2017-08-18 | 玉溪大红山矿业有限公司 | A kind of efficient ore reduction technique and its crushing system |
| CN107262254A (en) * | 2017-06-16 | 2017-10-20 | 贵州开磷集团股份有限公司 | A kind of rock phosphate in powder closed cycle breaking method |
| CN107282257A (en) * | 2017-07-03 | 2017-10-24 | 能诚集团有限公司 | A kind of multi-stage screening mechanism |
| CN108246475A (en) * | 2018-02-07 | 2018-07-06 | 能诚集团有限公司 | A kind of multiple stage crushing mechanism |
| CN108273590A (en) * | 2018-02-08 | 2018-07-13 | 华北理工大学 | A kind of two sections of crushing head crushers |
| CN109647608A (en) * | 2019-01-06 | 2019-04-19 | 明拓集团铬业科技有限公司 | A kind of high production capacity high carbon ferro-chrome finishing equipment |
| CN110423026A (en) * | 2019-06-27 | 2019-11-08 | 康定龙源穗城石膏有限责任公司 | A kind of land plaster manufacture craft and system |
| CN110586295A (en) * | 2019-09-24 | 2019-12-20 | 安徽马钢矿业资源集团有限公司 | Fine-fraction material screening process method for dolomite ore |
| CN111715378A (en) * | 2020-06-28 | 2020-09-29 | 攀枝花攀钢集团设计研究院有限公司 | A broken system for bold vanadium slag |
| CN111715379A (en) * | 2020-06-28 | 2020-09-29 | 攀枝花攀钢集团设计研究院有限公司 | Crushing process for treating large vanadium slag |
| CN112871408A (en) * | 2021-01-12 | 2021-06-01 | 河北省易县海泡石开发有限公司 | Crushing and screening device for sepiolite processing and sepiolite crushing and screening process |
| CN114247518A (en) * | 2021-12-21 | 2022-03-29 | 安徽省泗县旭峰面粉有限公司 | High-precision flour screening equipment for flour processing |
| CN114453114A (en) * | 2021-11-30 | 2022-05-10 | 中交二公局第三工程有限公司 | Environment-friendly tailing slag resource utilization method |
| CN115382649A (en) * | 2022-07-28 | 2022-11-25 | 秦皇岛优格玛工业技术有限公司 | Ilmenite separation method |
-
2014
- 2014-12-31 CN CN201410844900.4A patent/CN105797829A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107051695A (en) * | 2017-05-08 | 2017-08-18 | 玉溪大红山矿业有限公司 | A kind of efficient ore reduction technique and its crushing system |
| CN107262254A (en) * | 2017-06-16 | 2017-10-20 | 贵州开磷集团股份有限公司 | A kind of rock phosphate in powder closed cycle breaking method |
| CN107282257A (en) * | 2017-07-03 | 2017-10-24 | 能诚集团有限公司 | A kind of multi-stage screening mechanism |
| CN108246475A (en) * | 2018-02-07 | 2018-07-06 | 能诚集团有限公司 | A kind of multiple stage crushing mechanism |
| CN108273590B (en) * | 2018-02-08 | 2020-07-07 | 华北理工大学 | Two-section crushing cone crusher |
| CN108273590A (en) * | 2018-02-08 | 2018-07-13 | 华北理工大学 | A kind of two sections of crushing head crushers |
| CN109647608A (en) * | 2019-01-06 | 2019-04-19 | 明拓集团铬业科技有限公司 | A kind of high production capacity high carbon ferro-chrome finishing equipment |
| CN110423026A (en) * | 2019-06-27 | 2019-11-08 | 康定龙源穗城石膏有限责任公司 | A kind of land plaster manufacture craft and system |
| CN110586295A (en) * | 2019-09-24 | 2019-12-20 | 安徽马钢矿业资源集团有限公司 | Fine-fraction material screening process method for dolomite ore |
| CN111715378A (en) * | 2020-06-28 | 2020-09-29 | 攀枝花攀钢集团设计研究院有限公司 | A broken system for bold vanadium slag |
| CN111715379A (en) * | 2020-06-28 | 2020-09-29 | 攀枝花攀钢集团设计研究院有限公司 | Crushing process for treating large vanadium slag |
| CN112871408A (en) * | 2021-01-12 | 2021-06-01 | 河北省易县海泡石开发有限公司 | Crushing and screening device for sepiolite processing and sepiolite crushing and screening process |
| CN114453114A (en) * | 2021-11-30 | 2022-05-10 | 中交二公局第三工程有限公司 | Environment-friendly tailing slag resource utilization method |
| CN114247518A (en) * | 2021-12-21 | 2022-03-29 | 安徽省泗县旭峰面粉有限公司 | High-precision flour screening equipment for flour processing |
| CN115382649A (en) * | 2022-07-28 | 2022-11-25 | 秦皇岛优格玛工业技术有限公司 | Ilmenite separation method |
| CN115382649B (en) * | 2022-07-28 | 2024-04-30 | 秦皇岛优格玛工业技术有限公司 | Ilmenite separation method |
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Application publication date: 20160727 |