CN201291149Y - Two-stage double closed circuit crushing screening facilites - Google Patents
Two-stage double closed circuit crushing screening facilites Download PDFInfo
- Publication number
- CN201291149Y CN201291149Y CNU2008202188049U CN200820218804U CN201291149Y CN 201291149 Y CN201291149 Y CN 201291149Y CN U2008202188049 U CNU2008202188049 U CN U2008202188049U CN 200820218804 U CN200820218804 U CN 200820218804U CN 201291149 Y CN201291149 Y CN 201291149Y
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- Prior art keywords
- sealing
- sieve
- machine
- double
- ore
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- 238000012216 screening Methods 0.000 title claims abstract description 19
- 239000011435 rock Substances 0.000 claims abstract description 17
- 239000002699 waste material Substances 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 15
- 230000003139 buffering effect Effects 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 12
- 239000012141 concentrate Substances 0.000 abstract description 9
- 229910052742 iron Inorganic materials 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 3
- 239000011707 mineral Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 239000010878 waste rock Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
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- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
本实用新型涉及矿石破碎筛分技术领域，特别是一种两段双闭路破碎筛分设备，在井下设一段破碎机，将粒度小于500mm的铁矿石通过给矿机直接给入一段鄂式破碎机，粒度小于75mm的排料由胶带机经一段干式磁滑轮选出精矿产品和废石，精矿产品给入双层圆振动筛，而废石经溜槽进废石仓，双层振动筛一共有三种产品，分别为上、下层振动筛的筛上产品，下层振动筛的筛下产品，上、下层振动筛的筛上产品经由缓冲矿仓、振动给矿机、胶带机给入二段破碎机，粒度小于12mm的筛下产品成为最终破碎产品，进入磨矿段作业，两个二段破碎机排矿经集矿胶带机、胶带机返回给入双层振动筛。降低入磨粒度，增大原矿处理能力和铁精矿产量，有效地利用矿产资源，为矿山获得显著的经济效益。
The utility model relates to the technical field of ore crushing and screening, in particular to a two-stage double-closed-circuit crushing and screening equipment, in which a first-stage crusher is installed underground, and the iron ore with a particle size of less than 500mm is directly fed into the first-stage jaw crusher through a feeder. Machine, the discharge material with a particle size of less than 75mm is selected by the belt conveyor through a dry magnetic pulley to select the concentrate products and waste rocks, the concentrate products are fed into the double-layer circular vibrating screen, and the waste rocks enter the waste rock bin through the chute, and the double-layer vibration There are three products in the sieve, which are the on-sieve products of the upper and lower vibrating screens, the under-sieve products of the lower vibrating screen, and the on-sieve products of the upper and lower vibrating screens are fed through the buffer bin, vibrating feeder, and belt conveyor. The second-stage crusher, the under-screen product with a particle size of less than 12mm becomes the final crushed product, and enters the grinding section. The two second-stage crushers discharge ore and return it to the double-layer vibrating screen through the ore-collecting belt conveyor and the belt conveyor. Reduce the grinding particle size, increase raw ore processing capacity and iron concentrate output, effectively utilize mineral resources, and obtain significant economic benefits for the mine.
Description
Technical field
The utility model relates to ore reduction material sieving technology field, particularly a kind of two sections two closed circuit crushing screening plants.
Background technology
The crushing and screening operation is the preparation work before the ore grinding of ore dressing plant.In the comminution process, in order to cut down the consumption of energy, make every effort to how broken few mill, reduce the end product granularity of muck as far as possible.Crushing circuit generally comprises screening operation.Crushing operation and screening operation are formed reduction stage jointly, and the summation of all reduction stages constitutes the crushing and screening flow process.
Crushing and screening flow process commonly used has four kinds in design and the production.Be respectively two sections open circuit flow processs, two sections closed circuit flow processs, the three-section closed circuit flow process.With two sections or three sections crushing circuits, comprehensively determine according to the feed preparation unit size of ore hardness, raw ore maximum particle size, ore mill and the conditions such as scale in ore dressing plant.
Summary of the invention
The purpose of this utility model provides a kind of two sections two closed circuit crushing screening plants.
The purpose of this utility model realizes by following technical proposals.
Two sections two closed circuit crushing screening plants of the present utility model, it is characterized in that comprising the single stage crushing machine that is located at the down-hole, by transporter therewith the single stage crushing machine drive the rock feeder connect mutually, be located at one section jaw crusher of this rock feeder below, be located at the muck sealing-tape machine of this section jaw crusher below, one section dry type magnetic pulley being connected of muck sealing-tape machine therewith, one section dry type magnetic pulley is driven double-deck circular shale shaker and the waste chute-refuse bin that connects mutually therewith respectively, connect the barren rock oscillating feeder under this refuse bin, connect with buffering ore storage bin-vibrofeeder-sealing-tape machine-two-stage crushing machine is imperial mutually respectively by sealing-tape machine on the sieve of this double-deck screen shale shaker, connect via sealing-tape machine and cylinder ore storage bin are imperial mutually under the sieve of this double-deck screen shale shaker, this two-stage crushing machine is driven mutually via collection ore deposit sealing-tape machine and muck sealing-tape machine and is connect.
Connect with two buffering ore storage bin-two vibrofeeder-two sealing-tape machine-two two-stage crushing machines are imperial mutually respectively by two sealing-tape machines of sealing-tape machine on the sieve of described double-deck screen shale shaker.
The tube table of described magnetic pulley divides constituency magnetic induction intensity＞350mT.
The sieve aperture of the upper strata vibratory sieve of described double-deck screen shale shaker is 35mm, and the sieve aperture of lower floor's vibratory sieve is 15mm.
The utility model adopts two sections two closed circuit crushing screening plants, reduces mill feed size, increases raw ore disposal ability and iron ore concentrate output, has effectively utilized mineral resources, for the mine has obtained remarkable economic efficiency.
Description of drawings
Fig. 1 is a layout schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with embodiment shown in the drawings the specific embodiment of the present utility model is described.
As shown in Figure 1, two sections two closed circuit crushing screening plants of the present utility model, it is characterized in that comprising the single stage crushing machine that is located at the down-hole, by transporter therewith the single stage crushing machine drive the rock feeder 1 connect mutually, be located at one section jaw crusher 2 of this rock feeder 1 below, be located at the muck sealing-tape machine 3 of this section jaw crusher below, one section dry type magnetic pulley 14 being connected of muck sealing-tape machine 3 therewith, one section dry type magnetic pulley 14 is driven double-deck circular shale shaker 4 and the waste chute-refuse bin 15 that connects mutually therewith respectively, this refuse bin connects barren rock oscillating feeder 16 15 times, connect with buffering ore storage bin-vibrofeeder-sealing-tape machine-two-stage crushing machine is imperial mutually respectively by sealing-tape machine on the sieve of this double-deck screen shale shaker 4, connect via sealing-tape machine 17 and cylinder ore storage bin are imperial mutually under the sieve of this double-deck screen shale shaker, this two-stage crushing machine is driven mutually via collection ore deposit sealing-tape machine 13 and muck sealing-tape machine 3 and is connect.
Connect with two buffering ore storage bins 5, two vibrofeeders 7 of 6-, two sealing-tape machines 9 of 8-, two two-stage crushing machines of 10-11,12 are imperial mutually respectively by two sealing-tape machines of sealing-tape machine on the sieve of described double-deck screen shale shaker 4.
The tube table of described magnetic pulley divides constituency magnetic induction intensity＞350mT.
The sieve aperture of the upper strata vibratory sieve of described double-deck screen shale shaker is 35mm, and the sieve aperture of lower floor's vibratory sieve is 15mm.
According to the following step of the operating process of embodiment shown in the drawings:
1) establish the single stage crushing machine in the down-hole, granularity is directly fed one section jaw crusher 2 less than the iron ore of 500mm by rock feeder 1, ore carries out fragmentation in the crusher chamber of this section jaw crusher 2,
2) granularity of one section jaw crusher 2 is selected concentrate product and barren rock by sealing-tape machine 3 through one section dry type magnetic pulley 14 less than the discharge of 75mm,
3) the concentrate product selected of magnetic pulley 14 feeds double-deck circular shale shaker 4, and barren rock advances refuse bin 15 through chute,
4) double-deck screen shale shaker 4 one has three kinds of products, be respectively the oversize of upper strata vibratory sieve, the oversize of lower floor's vibratory sieve, the undersize of lower floor's vibratory sieve, its at the middle and upper levels vibratory sieve oversize via the buffering ore storage bin 5, vibrofeeder 7, sealing-tape machine 9 feeds two-stage crushing machine 11, the oversize of lower floor's vibratory sieve is via buffering ore storage bin 6, vibrofeeder 8, sealing-tape machine 10 feeds two-stage crushing machine 12, granularity becomes the finished breaking product less than the undersize of 12mm, enter the cylinder ore storage bin via sealing-tape machine 17, enter the grinding section operation
5) two two-stage crushing machine ore discharges return through collection ore deposit sealing-tape machine 13 and feed double-deck screen shale shaker 4.
The single stage crushing machine is located at the down-hole, (granularity 500～0mm) directly feeds one section jaw crusher 2 by rock feeder 1 with iron ore, ore carries out fragmentation in crusher chamber, ((tube table branch constituency magnetic induction intensity＞350mT) is selected concentrate product and barren rock to granularity 75～0mm) through one section dry type magnetic pulley 14 by sealing-tape machine 3 for one section jaw crusher 2 discharge.
Magnetic pulley concentrate product feeds double-deck circular shale shaker 4, and sieve aperture is respectively 15mm and 35mm, and barren rock advances refuse bin 15 through chute, double-deck screen shale shaker 4 one has that three kinds of products are respectively that a sieve is gone up, two sieves are gone up, sieve down.Wherein a sieve is gone up by buffering ore storage bin 5, vibrofeeder 7, sealing-tape machine 9 and is fed two-stage crushing machine 11; Two sieves are gone up by buffering ore storage bin 6, vibration and are fed two-stage crushing machine 12 for ore deposit 8, sealing-tape machine 10; (granularity 12～0mm) becomes the finished breaking product and enters the cylinder ore storage bin by sealing-tape machine 17 and enter the grinding section operation undersize.Two two-stage crushing machine ore discharges return and feed double-deck screen shale shaker 4 through collection ore deposit sealing-tape machine 13, sealing-tape machine 3.
Adopt two sections two closed circuit crushing screening plants of the present utility model, reduce mill feed size, increase raw ore disposal ability and iron ore concentrate output, effectively utilized mineral resources, for the mine has obtained remarkable economic efficiency.
Claims (4)
1, a kind of two sections two closed circuit crushing screening plants, it is characterized in that comprising the single stage crushing machine that is located at the down-hole, by transporter therewith the single stage crushing machine drive the rock feeder connect mutually, be located at one section jaw crusher of this rock feeder below, be located at the muck sealing-tape machine of this section jaw crusher below, one section dry type magnetic pulley being connected of muck sealing-tape machine therewith, one section dry type magnetic pulley is driven double-deck circular shale shaker and the waste chute-refuse bin that connects mutually therewith respectively, connect the barren rock oscillating feeder under this refuse bin, connect with buffering ore storage bin-vibrofeeder-sealing-tape machine-two-stage crushing machine is imperial mutually respectively by sealing-tape machine on the sieve of this double-deck screen shale shaker, connect via sealing-tape machine and cylinder ore storage bin are imperial mutually under the sieve of this double-deck screen shale shaker, this two-stage crushing machine is driven mutually via collection ore deposit sealing-tape machine and muck sealing-tape machine and is connect.
2, two sections two closed circuit crushing screening plants according to claim 1 is characterized in that connecing with two buffering ore storage bins (5), (6)-two vibrofeeder (7), (8)-two sealing-tape machine (9), (10)-two a two-stage crushing machine (11), (12) are imperial mutually respectively by two sealing-tape machines of sealing-tape machine on the sieve of described double-deck screen shale shaker (4).
3, two sections two closed circuit crushing screening plants according to claim 1 is characterized in that the tube of described magnetic pulley is shown branch constituency magnetic induction intensity＞350mT.
4, two sections two closed circuit crushing screening plants according to claim 1, the sieve aperture that it is characterized in that the upper strata vibratory sieve of described double-deck screen shale shaker is 35mm, the sieve aperture of lower floor's vibratory sieve is 15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202188049U CN201291149Y (en) | 2008-10-31 | 2008-10-31 | Two-stage double closed circuit crushing screening facilites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202188049U CN201291149Y (en) | 2008-10-31 | 2008-10-31 | Two-stage double closed circuit crushing screening facilites |
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| Publication Number | Publication Date |
|---|---|
| CN201291149Y true CN201291149Y (en) | 2009-08-19 |
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| CNU2008202188049U Expired - Fee Related CN201291149Y (en) | 2008-10-31 | 2008-10-31 | Two-stage double closed circuit crushing screening facilites |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850297A (en) * | 2010-06-13 | 2010-10-06 | 中国铝业股份有限公司 | A kind of bauxite beneficiation desiliconization method |
| CN101940972A (en) * | 2010-09-09 | 2011-01-12 | 中国恩菲工程技术有限公司 | Ore-crushing device |
| CN101972695A (en) * | 2010-09-09 | 2011-02-16 | 中国恩菲工程技术有限公司 | Crushing process |
| CN102179284A (en) * | 2011-01-26 | 2011-09-14 | 重钢西昌矿业有限公司 | Method for crushing iron ore |
| CN102228889A (en) * | 2010-07-09 | 2011-11-02 | 鞍钢集团矿业公司 | Novel magnetite two-stage closed-circuit and two-stage pre-selection crushing process |
| CN102259058A (en) * | 2010-08-25 | 2011-11-30 | 鞍钢集团矿业公司 | New process of closing in three sections and preselecting and crushing in two sections |
| CN103157543A (en) * | 2011-12-13 | 2013-06-19 | 洛阳宇航重工机械有限公司 | Alumina crust block crushing process and production line thereof |
| CN103831158A (en) * | 2012-12-03 | 2014-06-04 | 洛阳宇航重工机械有限公司 | Grinding equipment of aluminum oxide crusting block |
| CN104475214A (en) * | 2014-11-13 | 2015-04-01 | 攀枝花钢城集团米易瑞地矿业有限公司 | Weathered ore-containing vanadium titano-magnetite pre-dressing technology |
| CN104907119A (en) * | 2015-06-02 | 2015-09-16 | 马鞍山南山开发公司 | Iron tailing dry separation system |
| CN109351447A (en) * | 2016-08-15 | 2019-02-19 | 马钢集团设计研究院有限责任公司 | A kind of mineral processing production system of chromium depleted zone |
| CN115161470A (en) * | 2022-07-20 | 2022-10-11 | 万宝矿产有限公司 | Preparation method for processing ores with different clay contents |
-
2008
- 2008-10-31 CN CNU2008202188049U patent/CN201291149Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850297A (en) * | 2010-06-13 | 2010-10-06 | 中国铝业股份有限公司 | A kind of bauxite beneficiation desiliconization method |
| CN102228889A (en) * | 2010-07-09 | 2011-11-02 | 鞍钢集团矿业公司 | Novel magnetite two-stage closed-circuit and two-stage pre-selection crushing process |
| CN102259058A (en) * | 2010-08-25 | 2011-11-30 | 鞍钢集团矿业公司 | New process of closing in three sections and preselecting and crushing in two sections |
| CN101940972A (en) * | 2010-09-09 | 2011-01-12 | 中国恩菲工程技术有限公司 | Ore-crushing device |
| CN101972695A (en) * | 2010-09-09 | 2011-02-16 | 中国恩菲工程技术有限公司 | Crushing process |
| CN102179284B (en) * | 2011-01-26 | 2012-10-03 | 重钢西昌矿业有限公司 | Method for crushing iron ore |
| CN102179284A (en) * | 2011-01-26 | 2011-09-14 | 重钢西昌矿业有限公司 | Method for crushing iron ore |
| CN103157543A (en) * | 2011-12-13 | 2013-06-19 | 洛阳宇航重工机械有限公司 | Alumina crust block crushing process and production line thereof |
| CN103831158A (en) * | 2012-12-03 | 2014-06-04 | 洛阳宇航重工机械有限公司 | Grinding equipment of aluminum oxide crusting block |
| CN104475214A (en) * | 2014-11-13 | 2015-04-01 | 攀枝花钢城集团米易瑞地矿业有限公司 | Weathered ore-containing vanadium titano-magnetite pre-dressing technology |
| CN104907119A (en) * | 2015-06-02 | 2015-09-16 | 马鞍山南山开发公司 | Iron tailing dry separation system |
| CN109351447A (en) * | 2016-08-15 | 2019-02-19 | 马钢集团设计研究院有限责任公司 | A kind of mineral processing production system of chromium depleted zone |
| CN109351447B (en) * | 2016-08-15 | 2020-10-27 | 马钢集团设计研究院有限责任公司 | Lean magnetite's ore dressing production system |
| CN115161470A (en) * | 2022-07-20 | 2022-10-11 | 万宝矿产有限公司 | Preparation method for processing ores with different clay contents |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Patentee after: Anshan Iron and Steel Group Mining Co., Ltd. Address before: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Patentee before: Anshan Iron & Steel Group Mining Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20171031 |