CN101940972A - Ore-crushing device - Google Patents
Ore-crushing device Download PDFInfo
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- CN101940972A CN101940972A CN 201010276599 CN201010276599A CN101940972A CN 101940972 A CN101940972 A CN 101940972A CN 201010276599 CN201010276599 CN 201010276599 CN 201010276599 A CN201010276599 A CN 201010276599A CN 101940972 A CN101940972 A CN 101940972A
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Abstract
The invention discloses an ore-crushing device which comprises a coarse crusher, a double-layer sieve, an intermediate crusher, a fine crusher and a conveyor; the coarse crusher crushes raw ore coarsely; the double-layer sieve is connected with the coarse crusher and is used for receiving coarsely crushed ore from the coarse crusher and sieving the coarsely crushed ore in two stages; the intermediate crusher is connected with the double-layer sieve and is used for receiving ore on an upper-layer sieve from the double-layer sieve and intermediately crushing the ore on the upper-layer sieve; the fine crusher is connected with the double-layer sieve and is used for receiving ore on a lower-layer sieve from the double-layer sieve and finely crushing the ore on the lower-layer sieve; and the conveyor is respectively connected with the intermediate crusher and the finer crusher and is used for returning and conveying the intermediately crushed ore and the finely crushed ore to the double-layer sieve. The ore-crushing device has simple structure, less equipment and low cost.
Description
Technical field
The invention belongs to the technique of preparing field, especially relate to a kind of ore crushing apparatus.
Background technology
In traditional ore-dressing technique, to pass through the multiple tracks fragmentation usually from the raw ore of mine extraction, carry out ore grinding and sorting again.Traditional muck technology is divided into several operations usually, in different factory buildings, carry out respectively, for example raw ore carries out coarse crushing by boulder crusher in the coarse crushing workshop, being transported to screen house then sieves, when the qualified grain size content in coarse crushing ore deposit more for a long time, be typically provided with two kinds of operations of prescreening and check screening, prescreening is adopted different screening machines usually with check screening.Prescreening is at first carried out in the coarse crushing ore deposit, during the ore deposit is transported on Shai the sieve in advance, workshop in small, broken bits is broken in being undertaken by intermediate crusher, middle muck returns the screening factory building and carries out check screening, during the ore deposit is transported on the sieve of test sieve, workshop in small, broken bits undertaken in small, broken bitsly by fine crusher, ore deposit in small, broken bits and middle muck merge the test sieve extension set that turns back to screen house.The ore deposit is transported to fine ore bin under the sieve told with test sieve of sieve in advance.
Tradition muck technology coarse crushing equipment, screening plant and in, equipment in small, broken bits need be installed in different workshops, so each stage product needs have bad luck between each workshop as required, reduced efficient, wasted the man power and material.And the table of equipment number is many, and the occupation of land space is big, and power consumption is big, and investment is high, the cost increase.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.
For this reason, one object of the present invention is to propose a kind of ore crushing apparatus that space, energy-conservation, investment and cost reduce of saving.
Ore crushing apparatus according to the embodiment of the invention comprises the boulder crusher that raw ore is carried out coarse crushing; Double deck screen, described double deck screen link to each other with boulder crusher and are used for admitting the coarse crushing ore deposit the coarse crushing ore deposit is carried out the two-stage screening from boulder crusher; Intermediate crusher, described intermediate crusher link to each other with described double deck screen and are used for admitting the upper sieve sieve to go up the ore deposit upward to carry out broken in the ore deposit to the upper sieve sieve from double deck screen; Fine crusher, described fine crusher link to each other with described double deck screen and are used for admitting the lower screen sieve to go up the ore deposit upward to carry out in small, broken bits in the ore deposit to the lower screen sieve from double deck screen; And conveyer, described conveyer links to each other with fine crusher to be used for muck and ore deposit in small, broken bits returned with intermediate crusher respectively and is transported to double deck screen.
According to the ore crushing apparatus of the embodiment of the invention, adopt the separate unit double deck screen promptly to realize prescreening and two kinds of functions of check screening, need not to transport, reduced the table of equipment number to greatest extent, saved the space, reduced energy consumption and cost.
In addition, ore crushing apparatus according to the above embodiment of the present invention can also have following additional technical feature:
Ore crushing apparatus according to the embodiment of the invention may further include fine ore bin, and described fine ore bin is arranged on the double deck screen below and is used for admitting lower screen sieve ore deposit down from double deck screen.Owing to adopted the configuration that double deck screen is placed the fine ore bin top, so the ore deposit can fall into directly in the fine ore bin under the lower screen, need not transportation, reduced cost.
Broken ore deposit surge bunker and the ore deposit surge bunker of giving in small, broken bits given in being respectively equipped with in the natural death angular zone of the top of fine ore in described fine ore bin, the broken ore deposit surge bunker of giving links to each other for the ore deposit surge bunker respectively to be used for that described upper sieve sieve is gone up the ore deposit and the lower screen sieve upward imports in intermediate crusher and the fine crusher in the ore deposit with in small, broken bits with intermediate crusher and fine crusher with double deck screen in described.
Thus, in the embodiment of reality of the present invention, fine ore bin with in brokenly give the ore deposit surge bunker and in small, broken bits to give ore deposit surge bunker three be one, in, fine crusher is disposed at the fine ore bin sidepiece in the open, adopt rock feeder will in upper sieve sieve in the broken surge bunker go up lower screen sieve in ore deposit and the surge bunker in small, broken bits go up the ore deposit directly feed respectively in, fine crusher, both reduced the quantity of conveyer, factory building in small, broken bits in need not again to build in addition.
May further include according to the ore crushing apparatus of the embodiment of the invention and to be arranged on boulder crusher and sieve is gone up the coarse crushing ore deposit ore storage bin that is used for temporarily storing the coarse crushing ore deposit between the ore deposit.
Described conveyer is single ribbon conveyer.
The aperture of the upper strata sieve aperture of described double deck screen is 40 millimeters.
The aperture of lower floor's sieve aperture of described double deck screen is 12 millimeters.
Described intermediate crusher and fine crusher are gyratory crusher.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Fig. 1 is the muck flow chart according to the one embodiment of the invention ore crushing apparatus; With
Fig. 2 is the schematic diagram according to the ore crushing apparatus of the embodiment of the invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, term " on ", close the orientation of indication such as D score or position is based on orientation shown in the drawings or position relation, only be the present invention for convenience of description rather than require the present invention therefore can not be interpreted as limitation of the present invention with specific orientation structure and operation.
In addition, it will be appreciated that, in the present invention, relative granularity after terms such as term " coarse crushing ", " in broken ", " in small, broken bits " are only represented between the ore to handle through different process, for example, by adjust implementing the parameter of these technology device therefors, just can regulate the granularity of " coarse crushing ", " in broken ", " in small, broken bits " representative.
Below with reference to the ore crushing apparatus of accompanying drawing description according to the embodiment of the invention.
As shown in Figure 2, the ore crushing apparatus according to the embodiment of the invention comprises boulder crusher 1, double deck screen 3, intermediate crusher 6, fine crusher 5, conveyer 7.
Boulder crusher 1 is used for raw ore is carried out coarse crushing, thereby obtains the coarse crushing ore deposit.In an example of the present invention, boulder crusher 1 can be arranged on the down-hole, thereby just the raw ore of extraction can be carried out coarse crushing in the down-hole.
It will be appreciated that in description of the invention, term " links to each other " and should do broad understanding, two equipment can directly connect by intermediate, mineral aggregate also can link to each other indirectly, as long as can just can be thought to link to each other with regard to these two equipment so from an equipment to another equipment.For example, double deck screen 3 links to each other with boulder crusher 1, can be the coarse crushing ore deposit of boulder crusher 1 coarse crushing to be transported to double deck screen 3 with conveyer, also can be transported to double deck screen 3 by other modes, for example automobile is transported to double deck screen 3 places, be transported on the double deck screen 3 by other modes, this is to understand easily for those of ordinary skill in the art again.
As mentioned above, intermediate crusher 6 links to each other with double deck screen 3 respectively with fine crusher 5 also should do broad understanding, can be as long as the upper sieve sieve is gone up the ore deposit from just can to intermediate crusher 6 on the double deck screen 3, the lower screen sieve is gone up the ore deposit can be from just can to fine crusher 5 on the double deck screen 3, for example intermediate crusher 6 and fine crusher 5 can be from the double deck screen 3 respectively then the upper sieve sieve go up the ore deposit and the lower screen sieve is gone up the ore deposit, also can be by conveyor delivery to intermediate crusher 6 and fine crusher 5.
Particularly, intermediate crusher 6 and fine crusher 5 can be respectively gyratory crusher, and their gape size can be respectively 22 millimeters and 12 millimeters.
Conveyer 7 links to each other with the outlet of intermediate crusher 6 and fine crusher 5 respectively to be used for muck and ore deposit in small, broken bits returned and is transported to double deck screen 3, thereby has realized closed circuit muck.
Conveyer 7 for example can be ribbon conveyer, and middle muck that intermediate crusher 6 and fine crusher 5 produces and ore deposit in small, broken bits are returned by single ribbon conveyer and be transported to double deck screen 3 and sieve, and have saved conveyer thus, have reduced the equipment input, have saved construction cost.
In some embodiments of the invention, ore crushing apparatus further comprises fine ore bin 4, and fine ore bin 4 is arranged on double deck screen 3 belows, thus lower screen minus sieve ore deposit can fall in the fine ore bin 4 by deadweight, can save conveying device thus.Fine ore subsequent delivery in the fine ore bin 4 is carried out ball milling to ball mill.
Preferably, between boulder crusher 1 and double deck screen 3, be provided with coarse crushing ore deposit ore storage bin 2, be used for storing the coarse crushing ore deposit in coarse crushing ore deposit temporarily.
In a specific embodiment of the present invention, the aperture of the upper strata sieve aperture of double deck screen 3 is 40 millimeters, and the aperture of layer sieve aperture is 12 millimeters.But the present invention is not limited to this, and upper strata sieve aperture and lower floor's sieve aperture of double deck screen 3 can be regulated, and ability broken and in small, broken bits in can regulating effectively thus can realize how broken few mill thus, has reduced energy consumption, has improved efficient.
In some embodiments of the invention, as shown in Figure 2, in fine ore bin 4, because falling naturally of fine ore is tapered, around the top of fine ore bin 4, formed the natural death angular zone, in broken ore deposit surge bunker 42 and the ore deposit surge bunker 41 of giving in small, broken bits given can be arranged in the above-mentioned natural death angular zone.Upper sieve sieve is gone up ore deposit and lower screen sieve and is gone up that the ore deposit is therefrom broken respectively to be given ore deposit surge bunker 42 and in small, broken bitsly import on intermediate crusher 6 and the fine crusher 5 for ore deposit surge bunker 41 to carry out fragmentation, and breakdown products is fallen on the single ribbon conveyer 7 again, returns double deck screen 3.
Thus, fine ore bin 4, in brokenly give ore deposit surge bunker 42 and in small, broken bits to give ore deposit surge bunker 41 3 be one, reduced floor space.And, can be provided with in the open according to each processing apparatus of ore crushing apparatus of the embodiment of the invention, need not to build factory building, further reduced cost.
Below with reference to the muck flow process of Fig. 1 description according to the ore crushing apparatus of the embodiment of the invention.
As shown in Figure 1, the muck flow process may further comprise the steps:
Raw ore is carried out coarse crushing to obtain the coarse crushing ore deposit, and for example the maximum particle size of raw ore is 800 millimeters, and the coarse crushing ore particle degree after the coarse crushing is below 200 millimeters.The coarse crushing of raw ore can utilize boulder crusher 1 to carry out under mine.
Utilize that 3 pairs of double deck screens are rough to carry out the two-stage screening to obtain on ore deposit on the upper sieve, the lower screen fine ore under the ore deposit and lower screen respectively.As implied above, in a specific embodiment, the aperture of the upper strata sieve aperture of double deck screen 3 can be 40 millimeters, the aperture of lower floor's sieve aperture can be 12 millimeters, therefore on the upper sieve granularity in ore deposit more than 40 millimeters, the granularity in ore deposit is between the 40-12 millimeter on the lower screen, and the granularity of fine ore is less than 12 millimeters under the lower screen.
Broken during ore deposit on the upper sieve carried out to obtain middle muck, for example utilize on 6 pairs of upper sieves of intermediate crusher the ore deposit broken in carrying out.
Ore deposit on the lower screen is carried out in small, broken bits, for example utilize on 5 pairs of upper sieves of fine crusher the ore deposit to carry out in small, broken bits to obtain ore deposit in small, broken bits.
Middle muck and ore deposit in small, broken bits are returned to be transported on the double deck screen 3 by ribbon conveyer 7 and are sieved.Ribbon conveyer 7 can be one, is used for carrying muck and ore deposit in small, broken bits simultaneously.
Fine ore under the lower screen that double deck screen 3 produces, for example granularity is fallen in the fine ore bin 4 by deadweight from double deck screen 3 less than 12 millimeters.Thus, can save fine ore is transported to conveying equipment in the fine ore bin 4.
In addition, broken ore deposit surge bunker 42 and the ore deposit surge bunker 41 of giving in small, broken bits given in fine ore bin 4, in the natural death angular zone of the top of fine ore, being respectively equipped with, in brokenly give ore deposit surge bunker 42 and in small, broken bitsly be respectively applied for to ore deposit surge bunker 41 ore deposit on ore deposit on the upper sieve and the lower screen is imported to respectively on intermediate crusher 6 and the fine crusher 5.
Muck flow process according to the embodiment of the invention, owing to used double deck screen 3 to sieve in advance and check screening, therefore reduced the table of equipment number, saved the space, investment and cost reduce, and can regulate by regulating upper strata sieve aperture and lower floor's sieve aperture, ability broken and in small, broken bits in can regulating effectively thus, can realize how broken few mill thus, reduce energy consumption, improve efficient.
In addition, by single ribbon conveyer middle muck and ore deposit in small, broken bits are returned and to be transported to double deck screen 3, formed closed circuit crushing technology, broken and in small, broken bitsly be closed circuit production promptly, and whole ore crushing apparatus has only adopted 2 strip-type conveyers, has saved the space to greatest extent, has reduced cost.And, fine ore, in broken ore deposit and the shared storehouse, ore deposit of giving in small, broken bits given, make Process configuration simpler.
In the description of this specification, reference term " embodiment ", " some embodiment ", " example " or " concrete example ", etc. description mean concrete feature, structure, material or the characteristics described in conjunction with this embodiment or example and be contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (8)
1. an ore crushing apparatus is characterized in that, comprising:
Raw ore is carried out the boulder crusher of coarse crushing;
Double deck screen, described double deck screen link to each other with boulder crusher and are used for admitting the coarse crushing ore deposit the coarse crushing ore deposit is carried out the two-stage screening from boulder crusher;
Intermediate crusher, described intermediate crusher link to each other with described double deck screen and are used for admitting the upper sieve sieve to go up the ore deposit upward to carry out broken in the ore deposit to the upper sieve sieve from double deck screen;
Fine crusher, described fine crusher link to each other with described double deck screen and are used for admitting the lower screen sieve to go up the ore deposit upward to carry out in small, broken bits in the ore deposit to the lower screen sieve from double deck screen; With
Conveyer, described conveyer link to each other with fine crusher to be used for muck and ore deposit in small, broken bits returned with intermediate crusher respectively and are transported to double deck screen.
2. ore crushing apparatus according to claim 1 is characterized in that, further comprises fine ore bin, and described fine ore bin is arranged on the double deck screen below and is used for admitting lower screen sieve ore deposit down from double deck screen.
3. ore crushing apparatus according to claim 2, it is characterized in that, broken ore deposit surge bunker and the ore deposit surge bunker of giving in small, broken bits given in being respectively equipped with in the natural death angular zone of the top of fine ore in described fine ore bin, the broken ore deposit surge bunker of giving links to each other for the ore deposit surge bunker respectively to be used for that described upper sieve sieve is gone up the ore deposit and the lower screen sieve upward imports in intermediate crusher and the fine crusher in the ore deposit with in small, broken bits with intermediate crusher and fine crusher with double deck screen in described.
4. ore crushing apparatus according to claim 1 is characterized in that, further comprises being arranged on boulder crusher and sieving the coarse crushing ore deposit ore storage bin that upward is used for temporarily storing the coarse crushing ore deposit between the ore deposit.
5. ore crushing apparatus according to claim 1 is characterized in that, described conveyer is single ribbon conveyer.
6. ore crushing apparatus according to claim 1 is characterized in that, the aperture of the upper strata sieve aperture of described double deck screen is 40 millimeters.
7. ore crushing apparatus according to claim 1 is characterized in that, the aperture of lower floor's sieve aperture of described double deck screen is 12 millimeters.
8. ore crushing apparatus according to claim 1 is characterized in that described intermediate crusher and fine crusher are gyratory crusher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010276599 CN101940972A (en) | 2010-09-09 | 2010-09-09 | Ore-crushing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010276599 CN101940972A (en) | 2010-09-09 | 2010-09-09 | Ore-crushing device |
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| CN101940972A true CN101940972A (en) | 2011-01-12 |
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| CN 201010276599 Pending CN101940972A (en) | 2010-09-09 | 2010-09-09 | Ore-crushing device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259094A (en) * | 2010-12-07 | 2011-11-30 | 鞍钢集团矿业公司 | Prescreening-crushing-screening examining process for lean hematite |
| CN103293020A (en) * | 2012-03-05 | 2013-09-11 | 中国石油化工股份有限公司 | Step-by-step grading sampling method suitable for carbonatite sample |
| CN107297264A (en) * | 2017-08-04 | 2017-10-27 | 福州大学 | A kind of low grade gold ore heap leaching method crushed based on high electric field pulse |
| CN108745593A (en) * | 2018-07-10 | 2018-11-06 | 中国恩菲工程技术有限公司 | The crush-grind system and method for clinker |
| CN110142125A (en) * | 2019-05-31 | 2019-08-20 | 阿坝矿业有限公司 | Iron ore crushing and screening dry separation system and method |
| WO2020010934A1 (en) * | 2018-07-10 | 2020-01-16 | 中国恩菲工程技术有限公司 | Grinding system and method for slag |
| CN112354668A (en) * | 2020-11-16 | 2021-02-12 | 云南思茅山水铜业有限公司 | Ore crushing and control system thereof |
| CN116966981A (en) * | 2023-07-28 | 2023-10-31 | 武汉海剑环保材料有限公司 | Device for manufacturing recycled concrete by using building solid waste |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259094A (en) * | 2010-12-07 | 2011-11-30 | 鞍钢集团矿业公司 | Prescreening-crushing-screening examining process for lean hematite |
| CN103293020A (en) * | 2012-03-05 | 2013-09-11 | 中国石油化工股份有限公司 | Step-by-step grading sampling method suitable for carbonatite sample |
| CN103293020B (en) * | 2012-03-05 | 2016-01-06 | 中国石油化工股份有限公司 | A kind of substep classification sampling method being applicable to carbonate samples |
| CN107297264A (en) * | 2017-08-04 | 2017-10-27 | 福州大学 | A kind of low grade gold ore heap leaching method crushed based on high electric field pulse |
| CN108745593A (en) * | 2018-07-10 | 2018-11-06 | 中国恩菲工程技术有限公司 | The crush-grind system and method for clinker |
| WO2020010934A1 (en) * | 2018-07-10 | 2020-01-16 | 中国恩菲工程技术有限公司 | Grinding system and method for slag |
| CN110142125A (en) * | 2019-05-31 | 2019-08-20 | 阿坝矿业有限公司 | Iron ore crushing and screening dry separation system and method |
| CN112354668A (en) * | 2020-11-16 | 2021-02-12 | 云南思茅山水铜业有限公司 | Ore crushing and control system thereof |
| CN116966981A (en) * | 2023-07-28 | 2023-10-31 | 武汉海剑环保材料有限公司 | Device for manufacturing recycled concrete by using building solid waste |
| CN116966981B (en) * | 2023-07-28 | 2024-03-26 | 武汉海剑环保材料有限公司 | Device for manufacturing recycled concrete by using building solid waste |
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Application publication date: 20110112 |