CN206688887U - A kind of fine grinding hierarchical composition device systems sorted for micro fine particle magnetite stone - Google Patents
A kind of fine grinding hierarchical composition device systems sorted for micro fine particle magnetite stone Download PDFInfo
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- CN206688887U CN206688887U CN201720387818.2U CN201720387818U CN206688887U CN 206688887 U CN206688887 U CN 206688887U CN 201720387818 U CN201720387818 U CN 201720387818U CN 206688887 U CN206688887 U CN 206688887U
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- grinding machine
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- ore
- pump
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- 238000000227 grinding Methods 0.000 title claims abstract description 103
- 239000000203 mixture Substances 0.000 title claims abstract description 19
- 239000004575 stone Substances 0.000 title claims abstract description 17
- 239000010419 fine particle Substances 0.000 title claims abstract description 16
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000002893 slag Substances 0.000 claims abstract description 32
- 239000012141 concentrate Substances 0.000 claims abstract description 25
- 238000007885 magnetic separation Methods 0.000 claims abstract description 19
- 239000006148 magnetic separator Substances 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 12
- 238000005265 energy consumption Methods 0.000 abstract description 11
- 238000003801 milling Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 42
- 229910052742 iron Inorganic materials 0.000 description 21
- 238000000498 ball milling Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000004576 sand Substances 0.000 description 5
- 238000010494 dissociation reaction Methods 0.000 description 4
- 230000005593 dissociations Effects 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001608 iron mineral Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- 235000007926 Craterellus fallax Nutrition 0.000 description 1
- 240000007175 Datura inoxia Species 0.000 description 1
- 206010013457 Dissociation Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 208000018459 dissociative disease Diseases 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Abstract
The utility model discloses a kind of fine grinding hierarchical composition device systems sorted for micro fine particle magnetite stone, give slag stock pump (6) to ore deposit pump pond (5), tower grinding machine provided with tower grinding machine between desilting mouth, tower grinding machine (3) charging aperture in one-level cyclone group (4), discharge gate in tower grinding machine (3), be provided with raw ore stock tank (1) between the charging aperture of one-level cyclone group (4), one-level cyclone gives slag stock pump (2)；The overfall of one-level cyclone group (4) is connected by pipeline with the feed launder of permanent-magnet drum type magnetic separator (7), magnetic separation rough concentrate gape in permanent-magnet drum type magnetic separator (7), be respectively equipped with magnetic separation rough concentrate slime dam (8) between the charging aperture of second cyclone group (10), second cyclone gives slag stock pump (9), the desilting mouth of second cyclone group (10) is connected by pipeline with tower grinding machine to ore deposit pump pond (5).The utility model have low ore grinding energy consumption, ore milling product fine size and uniformly, the advantage such as concentrate grade is high, grinding process reduced investment and production cost are low.
Description
Technical field
The utility model belongs to technical field of mineral processing, and in particular to a kind of micro fine particle magnetite stone using tower grinding machine
Ore grinding, hierarchical composition device systems.
Background technology
China's iron ore deposit finds out about 90,000,000,000 tons of resource reserve, wherein big portion compared with horn of plenty by 2015 end of the year iron ores
It is the poor iron ore for needing ore dressing to divide, and accounts for the 98% of iron ore gross reserves；And microfine complicated difficult selects poor iron ore to account for iron ore always stores up
Amount 30%.In iron ore dressing technical field, the disseminated grain size of iron mineral belongs to fine grain teeth cloth in 0.045~0.025mm.Mesh
Before, China's iron ore dressing is mainly conventional ball mills for fine grinding equipment, generally using two sections, three sections of even four sections of ore grinding works
Skill.During using conventional ball mills ore grinding, problems be present：
(1) conventional ball-milling process is suitable for the ore grinding that grinding particle size is -0.075mm55~85%, is not suitable for fine- disseminated ore
The fine grinding of stone, when grinding particle size is thinner, ore grinding energy consumption is higher.When grinding particle size is -0.045mm85%, ore grinding energy consumption accounts for
The 60~70% of ore dressing plant total energy consumption；When grinding particle size is -0.038mm85%, be up to the 80% of ore dressing plant total energy consumption with
On.
(2) grinding particle size skewness, mineral were also easy to produce crushing or can not complete monomer dissociations, it is impossible to effectively improve
Concentrate grade.
(3) ball mill weight weight, floor space is big, and crane gear load is big, and equipment and capital expenditure are big.
(4) ball grinding machine lining board and steel ball consumption are big, and liner plate is not easy to change, and large-size ball mill, which changes liner plate, to be needed by machinery
Hand, maintenance of equipment are complicated.
Tower grinding machine is a kind of efficient grinding attachment in utility model the 1950s, wide since utility model
The general fine grinding applied to metal and nonmetal deposits thing, energy-saving effect are notable.Last decade tower grinding machine is gradually opened in iron ore fine grinding
Begin to apply, foreign applications are more early, and China starts late, it was reported that last decade China successively has Hunan, Hebei iron ore to use state
Small-sized tower grinding machine fine grinding rough concentrate is produced, for Quality improvement and impurities reduction of iron concentrate；Sichuan iron ore uses imported large-scale tower grinding machine fine grinding iron
Concentrate, meet requirement of the iron ore concentrate long-distance transportation through pipeline to granularity.
《Non-ferrous metal designs》" application of the tower grinding machine in iron ore concentrate fine grinding " one delivered in December, 2012 the article pointed out,
Compared with ball mill, tower grinding machine is advantageous in that tower grinding machine:Efficient fine grinding, it can prevent overground；Save energy consumption, ore milling product grain
Degree is thinner, and energy-saving effect is more notable；Easily operated and maintenance；Installation is simple, the cycle is short；Improve working environment, noise is low, vibration
It is small；Floor space is small；Equipment Foundations are simple, and capital cost saves etc..Tower grinding machine is than the reason for ball grinder saving energy：Cylinder and liner plate
It is inoperative；Materials inside layering can reduce undue grinding；The ore grinding principle of ball mill is medium shock material, and the work of tower grinding machine
It is dielectric friction material as principle.The comparative study carried out according to some external factories and miness, tower grinding machine reach same with ball mill
Product granularity, than ball mill save energy consumption about 30%.But the work of tower grinding machine at present, is used in micro fine particle magnetite stone ore dressing
Skill prepare be essentially all hydroclone classification-tower mill simple combination, still contain in Grading Overflow or oversize compared with
More intergrowth, so as to influence follow-up to sort precision.
The content of the invention
The purpose of this utility model existing energy consumption when grinding microfine iron ore aiming at existing conventional ball mills
High, the problems such as iron mineral degree of dissociation is low, iron concentrate grade is low, investment is big and cost is high, and offer is a kind of is used for microfine magnet
The other fine grinding of Ore-hierarchical composition device systems.
To realize above-mentioned purpose of the present utility model, the utility model is a kind of sorted for micro fine particle magnetite stone it is thin
Mill-hierarchical composition device systems are achieved through the following technical solutions.
The utility model replaces two, the three of conventional ball mill using the closed circuit grinding of one section of tower grinding machine and two-stage cyclones composition
Section closed circuit grinding.A kind of fine grinding-hierarchical composition device systems sorted for micro fine particle magnetite stone of the utility model use
Specifically technical scheme is：
The utility model is a kind of to contain tower mill for fine grinding-hierarchical composition device systems that micro fine particle magnetite stone sorts
Machine, permanent-magnet drum type magnetic separator, also containing one-level cyclone group, second cyclone group, desilting mouth, tower mill in one-level cyclone group
Tower grinding machine is sequentially between machine inlet and gives slag stock pump to ore deposit pump pond, tower grinding machine, discharge gate, one-level eddy flow in tower grinding machine
Raw ore stock tank is sequentially between the charging aperture of device group, one-level cyclone gives slag stock pump；The overfall of one-level cyclone group leads to
Piping is connected with the feed launder of permanent-magnet drum type magnetic separator, magnetic separation rough concentrate gape, two level rotation in permanent-magnet drum type magnetic separator
Magnetic separation rough concentrate slime dam is respectively equipped between the charging aperture of stream device group, second cyclone gives slag stock pump, second cyclone group
Desilting mouth be connected by pipeline with tower grinding machine to ore deposit pump pond.
Described one-level cyclone is starched to slag, second cyclone all uses frequency control Pulp pump to slag stock pump, with
Ore pulp enters one-level cyclone group, the pressure of second cyclone.
The utility model is a kind of to be actually used for fine grinding-hierarchical composition device systems that micro fine particle magnetite stone sorts
In, the discharge of new feed and tower grinding machine after levigate is entered into raw ore stock tank together, then given to slag stock pump by one-level cyclone
Enter one-level cyclone group to be classified；The sand setting of one-level cyclone group feeds tower grinding machine, and the overflow of one-level cyclone group is fed
Permanent-magnet drum type magnetic separator carries out magnetic separation, qualified tailings of dishing out；It is thick that the magnetic separation rough concentrate that permanent-magnet drum type magnetic separator obtains feeds magnetic separation
Concentrate pulp pond, then second cyclone group is fed to slag stock pump by second cyclone and is further classified, two level eddy flow
The sand setting of device group again returns to tower grinding machine in ore deposit pump pond, and is returned in tower grinding machine and carried out to slag stock pump by tower grinding machine
Fine grinding, the overflow of second cyclone group feed next procedure and further sorted.
Compared with prior art, the utility model is a kind of sets for fine grinding-hierarchical composition that micro fine particle magnetite stone sorts
Standby system has the following advantages that：
(1) it is notable to save ore grinding energy consumption for the utility model.One section of tower grinding process replaces one section of conventional ball-milling process to save
The 15% of ore grinding energy consumption, 30% can be saved instead of two sections of ball-milling technologies, and more than 45% can be saved instead of three sections of ball-milling technologies.
(2) the utility model grinding particle size is thin and uniform.When feeding granularity is -0.075mm55~60%, one section of tower
The closed circuit grinding technique of mill and cyclone composition, product granularity account for more than 90% up to 0.045~0.010mm contents, made useful
Mineral magnetic iron ore substantially can monomer dissociation, reach improve iron concentrate grade purpose.
(3) the utility model is easy to grinding process to upgrade.One section of tower grinding machine and one section of cyclone are closed circuit, can effectively be classified out
0.045~0.038mm of granularity product；It is closed circuit with two sections of cyclones, it is gradable go out 0.038~0.025mm of granularity product；With
Three sections of section cyclones are closed circuit, it is gradable go out 0.025~0.010mm of granularity product.Closed so tower grinding machine is different from cyclone
Road form, the ore milling product of different degrees of dissociation can be obtained, so as to produce the iron ore concentrate of different grades to meet the market requirement.
(4) the utility model grinding process reduced investment.Because tower grinding machine has, in light weight, vibrations are small, noise is low and small volume
The advantages that, so tower grinding machine and matched auxiliary equipment and factory building and infrastructure investment are small.One section of tower grinding process generation
Can save ore grinding investment for one section of conventional ball-milling process 10%, can save 25% instead of two sections, 40% can be saved instead of three sections
More than.
(5) the utility model grinding process cost is low.Except (1) described the utility model can significantly save ore grinding energy consumption
Outside, also tower grinding machine have uniqueness grid liner protection makes equipment body from safeguard, milling medium steel ball consumption it is low and with
Supporting auxiliary equipment it is easy to maintenance the advantages that.One section of tower grinding process replaces one section of conventional ball-milling process to save ore grinding cost
15%, can save 25% instead of two sections, more than 35% can be saved instead of three sections.
Brief description of the drawings
Fig. 1 is a kind of setting for fine grinding-hierarchical composition device systems sorted for micro fine particle magnetite stone of the utility model
Standby contact figure.
Reference is：1- raw ore stock tanks, 2- one-levels cyclone give slag stock pump, 3- tower grinding machines, 4- one-level cyclone groups,
5- towers grinding machine gives ore deposit pump pond, and 6- towers grinding machine gives slag stock pump, 7- permanent-magnet drum type magnetic separators, 8- magnetic separation rough concentrate slime dams, 9- bis-
Level cyclone gives slag stock pump, 10- second cyclone groups.
Embodiment
It is a kind of to the utility model with reference to the accompanying drawings and examples to be used for microfine to further describe the utility model
The fine grinding that magnetic iron ore sorts-hierarchical composition device systems are described in more detail, but the scope of protection of the utility model not by
Embodiment is limited.
A kind of fine grinding-hierarchical composition equipment system sorted for micro fine particle magnetite stone of the utility model as shown in Figure 1
The equipment contact figure of system finds out, a kind of fine grinding-hierarchical composition equipment system sorted for micro fine particle magnetite stone of the utility model
System uses following technical scheme：
A kind of fine grinding-hierarchical composition device systems sorted for micro fine particle magnetite stone of the utility model, grind containing tower
Machine 3, permanent-magnet drum type magnetic separator 7, one-level cyclone group 4, second cyclone group 10, desilting mouth, tower mill in one-level cyclone group 4
Tower grinding machine is sequentially between the charging aperture of machine 3 to use to slag stock pump 6 to slag stock pump 6, tower grinding machine to ore deposit pump pond 5, tower grinding machine
Frequency control Pulp pump；Discharge gate in tower grinding machine 3, be sequentially between the charging aperture of one-level cyclone group 4 raw ore stock tank 1,
One-level cyclone also uses frequency control Pulp pump to slag stock pump 2, one-level cyclone to slag slurry 2；One-level cyclone group 4
Overfall is connected by pipeline with the feed launder of permanent-magnet drum type magnetic separator 7, in the magnetic separation rough concentrate ore discharge of permanent-magnet drum type magnetic separator 7
Mouthful, magnetic separation rough concentrate slime dam 8, second cyclone are respectively equipped between the charging aperture of second cyclone group 10 to slag stock pump 9,
The desilting mouth of second cyclone group 10 is connected by pipeline with tower grinding machine to ore deposit pump pond 5, and second cyclone is same to slag stock pump 9
Using frequency control Pulp pump.
In real work, the material after new feed and the fine grinding of tower grinding machine 3 enters raw ore stock tank 1 together, after regulation merges
Pulp density, one-level cyclone group 4 is delivered to slag stock pump 2 using one-level cyclone and is classified, one-level cyclone group 4
Sand setting enter tower grinding machine to ore deposit pump pond 5, the overflow of one-level cyclone 4 feeds permanent-magnet drum type magnetic separator 7 and carries out magnetic separation, dishes out
Qualified tailings, qualified tailings enter total tailing pit in ore dressing plant；Ore pulp into permanent-magnet drum type magnetic separator 7 obtains magnetic separation by magnetic separation
Rough concentrate, magnetic separation rough concentrate enter magnetic separation rough concentrate slime dam 8；Into magnetic separation rough concentrate slime dam 8 ore pulp with water size mixing to
Suitable pulp density, then deliver to second cyclone group 10 to slag stock pump 9 with second cyclone and be classified；Two level eddy flow
The sand setting of device group 10 enters lower road magnetic separation process into tower grinding machine to ore deposit pump pond 5, the overflow of second cyclone group 10；Two level eddy flow
Device uses frequency control Pulp pump, ore pulp amount and pressure to be adjusted by rotating speed of the second cyclone to slag stock pump 9 to slag stock pump 9
Section；Ore pulp tower grinding machine into tower grinding machine to ore deposit pump pond 5 feeds tower grinding machine 3 to slag stock pump 6, and the ore discharge of tower grinding machine 3 enters
Raw ore stock tank 1.Tower grinding machine gives slag stock pump 6 to use frequency control Pulp pump, and ore pulp amount and pressure are by tower grinding machine to slag stock pump 6
Rotational speed regulation.The ore milling concentration of tower grinding machine 3 is by I and II hydrocyclone sand setting concentration and adds water management.
Claims (2)
1. a kind of fine grinding-hierarchical composition device systems sorted for micro fine particle magnetite stone, contain tower grinding machine (3), pipe magnetic separator
Formula magnetic separator (7), it is characterised in that：It is also containing one-level cyclone group (4), second cyclone group (10), in one-level cyclone
Tower grinding machine, which is sequentially with, between the desilting mouth of group (4), tower grinding machine (3) charging aperture gives slag stock pump to ore deposit pump pond (5), tower grinding machine
(6), the discharge gate in tower grinding machine (3), one-level cyclone group (4) charging aperture between be sequentially with raw ore stock tank (1), one-level rotation
Stream device gives slag stock pump (2)；The overfall of one-level cyclone group (4) passes through pipeline and the feed launder of permanent-magnet drum type magnetic separator (7)
It is connected, magnetic separation rough concentrate gape in permanent-magnet drum type magnetic separator (7), is set respectively between the charging aperture of second cyclone group (10)
There are magnetic separation rough concentrate slime dam (8), second cyclone to give slag stock pump (9), the desilting mouth of second cyclone group (10) passes through pipe
Road is connected with tower grinding machine to ore deposit pump pond (5).
2. a kind of fine grinding-hierarchical composition device systems sorted for micro fine particle magnetite stone as claimed in claim 1, it is special
Sign is：Described one-level cyclone all uses frequency control slurry to slag slurry (2), second cyclone to slag stock pump (9)
Pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720387818.2U CN206688887U (en) | 2017-04-13 | 2017-04-13 | A kind of fine grinding hierarchical composition device systems sorted for micro fine particle magnetite stone |
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| CN201720387818.2U CN206688887U (en) | 2017-04-13 | 2017-04-13 | A kind of fine grinding hierarchical composition device systems sorted for micro fine particle magnetite stone |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604071A (en) * | 2018-12-11 | 2019-04-12 | 广东省资源综合利用研究所 | It is a kind of to reduce the stanniferous method for floating of troilite |
| CN113385284A (en) * | 2021-06-11 | 2021-09-14 | 甘肃酒钢集团宏兴钢铁股份有限公司 | System for improving hourly throughput of one-section ball mill |
| CN114235647A (en) * | 2021-12-17 | 2022-03-25 | 西藏华泰龙矿业开发有限公司 | Mining whirl elutriation system in laboratory |
-
2017
- 2017-04-13 CN CN201720387818.2U patent/CN206688887U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604071A (en) * | 2018-12-11 | 2019-04-12 | 广东省资源综合利用研究所 | It is a kind of to reduce the stanniferous method for floating of troilite |
| CN113385284A (en) * | 2021-06-11 | 2021-09-14 | 甘肃酒钢集团宏兴钢铁股份有限公司 | System for improving hourly throughput of one-section ball mill |
| CN113385284B (en) * | 2021-06-11 | 2022-09-20 | 甘肃酒钢集团宏兴钢铁股份有限公司 | System for improving hourly throughput of one-section ball mill |
| CN114235647A (en) * | 2021-12-17 | 2022-03-25 | 西藏华泰龙矿业开发有限公司 | Mining whirl elutriation system in laboratory |
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Address after: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Co-patentee after: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Patentee after: MAANSHAN Mine Research Institute Co.,Ltd. Address before: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Co-patentee before: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH Co.,Ltd. |
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