CN107262224A - A kind of zinc oxygen leaching method for preparing raw material and two sections of vertical stirring mill series connection open-circuit grinding systems - Google Patents
A kind of zinc oxygen leaching method for preparing raw material and two sections of vertical stirring mill series connection open-circuit grinding systems Download PDFInfo
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- CN107262224A CN107262224A CN201710640414.4A CN201710640414A CN107262224A CN 107262224 A CN107262224 A CN 107262224A CN 201710640414 A CN201710640414 A CN 201710640414A CN 107262224 A CN107262224 A CN 107262224A
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- 238000003756 stirring Methods 0.000 title claims abstract description 87
- 238000000227 grinding Methods 0.000 title claims abstract description 70
- 238000002386 leaching Methods 0.000 title claims abstract description 35
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000002994 raw material Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 230000002572 peristaltic effect Effects 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000004579 marble Substances 0.000 claims description 3
- 102220112166 rs61747639 Human genes 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000012141 concentrate Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000011701 zinc Substances 0.000 abstract description 6
- 229910052725 zinc Inorganic materials 0.000 abstract description 6
- 238000000498 ball milling Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 102220042174 rs141655687 Human genes 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 102220035083 rs199475898 Human genes 0.000 description 1
- 102220144066 rs367814655 Human genes 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
- B02C17/163—Stirring means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of zinc oxygen leaching method for preparing raw material and two sections of vertical stirring mill series connection open-circuit grinding systems, method is first to obtain zinc concentrate material progress pulp to be ground with certain density ore pulp, the ore pulp obtained after pulp is roughly ground into one section of vertical stirring mill, the material that mog is higher, pulp density holding is constant is obtained after corase grind, material after corase grind enters back into two sections of vertical stirring mills and carries out fine grinding, the material that mog is higher, pulp density holding is constant, that is, the zinc oxygen leaching raw material stablized are obtained after fine grinding.System includes slurrying device, one section of vertical stirring mill and two sections of vertical stirring mills, and the delivery outlet of slurrying device is connected with the charging aperture of one section of vertical stirring mill, and the discharging opening of one section of vertical stirring mill is connected with the charging aperture of two sections of vertical stirring mills.The present invention has the advantages that small investment, with low cost, flow are short, operating cost is low, stable and reliable in work and fine grinding effect is good.
Description
Technical field
The present invention relates to nonferrous metallurgy and grinding attachment field, and in particular to a kind of zinc oxygen leaching raw material preparation side
Method and two sections of vertical stirring mill series connection open-circuit grinding systems.
Background technology
Traditional zinc oxygen leaching method for preparing raw material is to use ball milling grinding process, as shown in figure 3, ball milling grinding process
The grinding system of middle use is made up of traditional ball mill, grader and concentrator, is closed circuit grinding system, is passed through ball mill
Zinc concentrate granularity is reached D95=45 μm with grader ore grinding, it is necessary to concentrator by the pulp solids content of cyclone overflow by
30%~40% is concentrated into 65%~70%, and the shortcoming of the closed circuit grinding system is：Product granularity is unstable；Grinding efficiency is low, energy consumption
Greatly, long flow path；Floor space is big；Cost of investment is high；Difficult management；Thickener underflow is unstable and system operation cost is high.
Also have at present and the preparation of zinc oxygen leaching raw material is carried out using sand mill, but sand mill is expensive；Its rapid wear
Part（Such as abrasive disk and cylinder）Service life it is short；Abrasive media consumption is big, price；The installed power of motor is big；Fortune
Row cost is high；Cylinder volume is smaller and grinding efficiency is poor, and product granularity only reaches D85=45 μm, and the follow-up leaching operation of influence refers to
Mark.
The content of the invention
The technical problem to be solved in the present invention be overcome the shortcomings of prior art exist there is provided a kind of small investment, cost are low
Honest and clean, flow is short, operating cost is low, stable and reliable in work and fine grinding effect is good zinc oxygen leaching method for preparing raw material and two sections it is vertical
Formula agitator mill series connection open-circuit grinding system.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of zinc oxygen leaching method for preparing raw material, comprises the following steps：
1）, will treat that grind materials carry out pulp and obtain granularity in ore pulp, ore pulp to account for 40% ~ 80% for -74 μm of solid particle, ore pulp is dense
Spend for 65% ~ 75%；
2）, ore pulp fed to one section of vertical stirring mill carry out primary grinding, the mog of primary grinding is D60~D90=45
µm；
3）, the ore discharge of primary grinding fed to two sections of vertical stirring mills carry out secondary grinding, the mog of secondary grinding is
D96 ~ D98=45 μm, the ore discharge of secondary grinding is zinc oxygen leaching raw material.
Above-mentioned zinc oxygen leaching method for preparing raw material, it is preferred that one section of vertical stirring mill is using a diameter of
15mm ~ 30mm medium, the frequency of one section of vertical stirring mill is 30HZ ~ 50HZ；Two sections of vertical stirring mills are using straight
Footpath is 5mm ~ 15mm medium, and the frequency of two sections of vertical stirring mills is 40HZ ~ 50HZ.
Above-mentioned zinc oxygen leaching method for preparing raw material, it is preferred that one section of vertical stirring mill and two sections vertical are stirred
The medium for mixing grinding machine use is any one in chromium steel ball, zirconium ball, Ceramic Balls, glass marble and natural sand.
Above-mentioned zinc oxygen leaching method for preparing raw material, it is preferred that one section of vertical stirring mill and two sections vertical are stirred
It is any one in spiral, bar type, disc type and combined type to mix the agitator type of grinding machine.
Above-mentioned zinc oxygen leaching method for preparing raw material, it is preferred that one section of vertical stirring mill and two sections vertical are stirred
The agitator speed for mixing grinding machine is unequal.
A kind of two sections of vertical stirring mills series connection open-circuit grinding system for above-mentioned zinc oxygen leaching method for preparing raw material,
Including slurrying device, one section of vertical stirring mill and two sections of vertical stirring mills, the delivery outlet of the slurrying device passes through first
Pipeline is connected with the charging aperture of one section of vertical stirring mill, the discharging opening of one section of vertical stirring mill by the second pipeline with
The charging aperture of two sections of vertical stirring mills is connected, and first pipeline is provided with the first pulp conveying pump, second pipeline
Provided with the second pulp conveying pump.
Above-mentioned two sections of vertical stirring mills series connection open-circuit grinding system, it is preferred that the slurrying device includes connecting successively
The first agitator and the second agitator connect, the outlet of second agitator passes through first pipeline and one section of vertical mixing
The charging aperture of grinding machine is connected.
Above-mentioned two sections of vertical stirring mills series connection open-circuit grinding system, it is preferred that first agitator is cylindricality
Vertical mixing bucket, second agitator is the Horizontal stirring bucket of cylindricality, and the transverse width of second agitator is more than first
The transverse width of agitator；The longitudinal direction height of second agitator is less than the longitudinal direction height of the first agitator.
Above-mentioned two sections of vertical stirring mills series connection open-circuit grinding system, it is preferred that installing is used in first agitator
Spiral agitator；Disc mixer is equiped with second agitator.
Above-mentioned two sections of vertical stirring mills series connection open-circuit grinding system, it is preferred that second agitator is stood with one section
The medial launder for being used for storing and adjust mineral pulp level is provided between formula agitator mill；The first pulp conveying pump and the second ore pulp
Delivery pump is any one in peristaltic pump, centrifugal pump, ceramic pump and Pulp pump.
Compared with prior art, the advantage of the invention is that：The zinc oxygen leaching method for preparing raw material and its two of the present invention
Section vertical stirring mill series connection open-circuit grinding system, first will zinc concentrate material be ground when carrying out the preparation of zinc oxygen leaching raw material
Obtain, with certain density ore pulp, ore pulp then being passed through into first by the first pulp conveying pump after slurrying device progress pulp
Pipeline from slurrying device be delivered to one section of vertical stirring mill in roughly ground, obtain that mog is higher, ore pulp is dense after corase grind
Degree keeps constant material, then by the second pulp conveying pump by the ore pulp after corase grind by the second pipeline from one section of vertical mixing mill
Machine, which is delivered in two sections of vertical stirring mills, obtained after fine grinding, fine grinding that mog is higher, pulp density keeps constant
Material, that is, the zinc oxygen leaching raw material stablized.Two sections of the zinc oxygen leaching method for preparing raw material and its use vertical to stir
Mill coupled in series open-circuit grinding system is mixed compared with existing closed circuit grinding system, it is not necessary to classification and concentrator, with investment
Less, with low cost, flow is short, operating cost is low, the stable and reliable in work and good advantage of fine grinding effect.
Brief description of the drawings
Fig. 1 is the flow chart of zinc oxygen leaching method for preparing raw material of the present invention.
Fig. 2 is the structural representation of two sections of vertical stirring mills series connection open-circuit grinding systems of the present invention.
Fig. 3 is the structural representation of traditional ball milling grinding system.
Marginal data：
1st, slurrying device；11st, the first agitator；12nd, the second agitator；2nd, one section of vertical stirring mill；3rd, two sections of vertical mixings
Grinding machine；4th, medial launder；5th, the first pulp conveying pump；6th, the second pulp conveying pump.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in figure 1, the zinc oxygen leaching method for preparing raw material of the present embodiment, comprises the following steps：
1）, will treat that grind materials carry out pulp and obtain granularity in ore pulp, ore pulp to account for 40% ~ 80% for -74 μm of solid particle, ore pulp is dense
Spend for 65% ~ 75%；
2）, ore pulp fed to one section of vertical stirring mill 2 carry out primary grinding, the mog of primary grinding for D60~D90=
45µm；
3）, the ore discharge of primary grinding fed into two sections of vertical stirring mills 3 carry out secondary grinding, the mog of secondary grinding is
D96 ~ D98=45 μm, the ore discharge of secondary grinding is zinc oxygen leaching raw material.
Granularity accounts for 40% ~ 80%, ore deposit for -74 μm of solid particle in the ore pulp obtained after mill zinc concentrate material carries out pulp
It is 65% ~ 75% to starch concentration, and granularity accounts for 60%~90% for -45 μm of material after primary grinding, pulp density it is stable 65%~
75%, then finally give after secondary grinding the material that granularity is -45 μm and account for 96%~98%, pulp density it is stable 65%~
75%, that is, the zinc oxygen leaching raw material stablized.Obtained zinc oxygen leaching raw material can carry out one section of follow-up oxygen as needed
Pressure is leached and flash distillation regulation.The zinc oxygen leaching method for preparing raw material has that short flow, small investment, operating cost is low, ore grinding is thin
The high advantage of degree.
In the present embodiment, one section of vertical stirring mill 2 is using a diameter of 15mm ~ 30mm medium, one section of vertical mixing mill
The frequency of machine 2 is 30HZ ~ 50HZ；Two sections of vertical stirring mills 3 are using a diameter of 5mm ~ 15mm medium, two sections of vertical mixing mills
The frequency of machine 3 is 40HZ ~ 50HZ.One section of vertical stirring mill 2 and two sections of vertical stirring mills 3 use above-mentioned medium and frequency energy
Optimal grinding efficiency is enough reached, cost is reduced.The medium that one section of vertical stirring mill 2 and two sections of vertical stirring mills 3 are used
It is any one in chromium steel ball, zirconium ball, Ceramic Balls, glass marble and natural sand.One section of vertical stirring mill 2 and two sections it is vertical
The agitator type of agitator mill 3 is any one in spiral, bar type, disc type and combined type.In the present embodiment, one section is stood
The agitator speed of formula agitator mill 2 and two sections of vertical stirring mills 3 is unequal, realizes varigrained high efficiency ore grinding.
As shown in Fig. 2 in the present embodiment, a kind of two sections of vertical stirring mills for zinc oxygen leaching method for preparing raw material
Series connection open-circuit grinding system, including slurrying device 1, one section of vertical stirring mill 2 and two sections of vertical stirring mills 3, slurrying device 1
Delivery outlet be connected by the first pipeline with the charging aperture of one section of vertical stirring mill 2, the discharging opening of one section of vertical stirring mill 2
It is connected by the second pipeline with the charging aperture of two sections of vertical stirring mills 3, the first pipeline is provided with the first pulp conveying pump 5, the
Two pipelines are provided with the second pulp conveying pump 6.It is preferred that, on-off control valve door is equipped with the first pipeline and the second pipeline.
In the ore pulp obtained after mill zinc concentrate material carries out pulp in slurrying device 1, granularity contains for -74 μm of mineral
Amount accounts for 40% ~ 80%, and pulp density is 65% ~ 75%.By the first pulp conveying pump 5 by ore pulp by the first pipeline from slurrying device 1
It is delivered in one section of vertical stirring mill 2 and is roughly ground, granularity accounts for 60%~90%, pulp density for -45 μm of material after corase grind
It is stable 65%~75%, then by the second pulp conveying pump 6 by the ore pulp after corase grind by the second pipeline from one section of vertical mixing mill
Machine 2, which is delivered to, to carry out obtaining the material that granularity is -45 μm after fine grinding, fine grinding and accounts for 96%~98%, ore deposit in two sections of vertical stirring mills 3
Starch concentration stable in 65%~75%, that is, the zinc oxygen leaching raw material stablized.Two sections of vertical stirring mill series connection open circuit mills
Ore deposit system is compared with existing grinding system, it is not necessary to classification and concentrator, and with small investment, with low cost, flow is short, transport
The advantage that row cost is low, stable and reliable in work and fine grinding effect is good.
In the present embodiment, slurrying device 1 includes the first agitator 11 and the second agitator 12 being sequentially connected, the second stirring
The outlet of bucket 12 is connected by the first pipeline with the charging aperture of one section of vertical stirring mill 2.Zinc concentrate material to be ground is stirred by first
Mix and the further pulp of the second agitator 12 is sent into after the pulp of bucket 11, to obtain the ore pulp that concentration is stable, then by the first pulp conveying
Ore pulp is delivered in one section of vertical stirring mill 2 and roughly ground by pump 5 by the first pipeline from slurrying device 1.
It is preferred that, the first agitator 11 is the vertical mixing bucket of cylindricality, and the second agitator 12 is the Horizontal stirring bucket of cylindricality,
The transverse width of second agitator 12 is more than the transverse width of the first agitator 11；The longitudinal direction height of second agitator 12 is less than the
The longitudinal direction height of one agitator 11, the first agitator 11 and the second agitator 12 that ore pulp passes sequentially through this kind of form can be lifted
Mixing effect.Still more preferably, it is equiped with spiral agitator in the first agitator 11；It is equiped with second agitator 12
Disc mixer, is so more beneficial for stirring the refinement of the well mixed and particle of slurries, mitigates the ore grinding burden of follow-up equipment
And pressure.
In the present embodiment, medial launder 4,4 storages of medial launder are provided between the second agitator 12 and one section of vertical stirring mill 2
The effect of mineral pulp level is deposited and adjusted, the stabilization of two sections of vertical stirring mills series connection open-circuit grinding system mineral pulp levels is can guarantee that,
And then stable be fed to one section of vertical stirring mill 2.
In the present embodiment, the first pulp conveying pump 5 and the second pulp conveying pump 6 be peristaltic pump, centrifugal pump, ceramic pump and
Any one in Pulp pump.The first pulp conveying pump 5 of the present embodiment and the second pulp conveying pump 6 carry out ore deposit using peristaltic pump
Slurry conveying, peristaltic pump uniformly and stably can enter one section of vertical stirring mill 2 and two sections of vertical stirring mills 3 by transfer ore pulp,
It is further ensured that the stability of feed.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example.To those of ordinary skill in the art, the improvement and change resulting in the case where not departing from the technology of the present invention concept thereof
Change and also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of zinc oxygen leaching method for preparing raw material, it is characterised in that：Comprise the following steps：
1）, will treat that grind materials carry out pulp and obtain granularity in ore pulp, ore pulp to account for 40% ~ 80% for -74 μm of solid particle, ore pulp is dense
Spend for 65% ~ 75%；
2）, ore pulp is fed to one section of vertical stirring mill（2）Primary grinding is carried out, the mog of primary grinding is D60~D90
=45µm；
3）, the ore discharge of primary grinding is fed to two sections of vertical stirring mills（3）Carry out secondary grinding, the mog of secondary grinding
For D96 ~ D98=45 μm, the ore discharge of secondary grinding is zinc oxygen leaching raw material.
2. zinc oxygen leaching method for preparing raw material according to claim 1, it is characterised in that：One section of vertical mixing mill
Machine（2）Using a diameter of 15mm ~ 30mm medium, one section of vertical stirring mill（2）Frequency be 30HZ ~ 50HZ；Described two sections
Vertical stirring mill（3）Using a diameter of 5mm ~ 15mm medium, two sections of vertical stirring mills（3）Frequency be 40HZ ~ 50HZ.
3. zinc oxygen leaching method for preparing raw material according to claim 1, it is characterised in that：One section of vertical mixing mill
Machine（2）With two sections of vertical stirring mills（3）During the medium of use is chromium steel ball, zirconium ball, Ceramic Balls, glass marble and natural sand
Any one.
4. zinc oxygen leaching method for preparing raw material according to claim 1, it is characterised in that：One section of vertical mixing mill
Machine（2）With two sections of vertical stirring mills（3）Agitator type be any one in spiral, bar type, disc type and combined type.
5. zinc oxygen leaching method for preparing raw material according to claim 1, it is characterised in that：One section of vertical mixing mill
Machine（2）With two sections of vertical stirring mills（3）Agitator speed it is unequal.
6. a kind of two sections of vertical stirring mills series connection open circuit mill for zinc oxygen leaching method for preparing raw material described in claim 1
Ore deposit system, it is characterised in that：Including slurrying device（1）, one section of vertical stirring mill（2）With two sections of vertical stirring mills（3）, institute
State slurrying device（1）Delivery outlet pass through the first pipeline and one section of vertical stirring mill（2）Charging aperture be connected, described one section stand
Formula agitator mill（2）Discharging opening pass through the second pipeline and two sections of vertical stirring mills（3）Charging aperture be connected, it is described first pipe
Road is provided with the first pulp conveying pump（5）, second pipeline is provided with the second pulp conveying pump（6）.
The open-circuit grinding system 7. two sections of vertical stirring mills according to claim 6 are connected, it is characterised in that：The pulp
Device（1）Including the first agitator being sequentially connected（11）With the second agitator（12）, second agitator（12）Outlet
Pass through first pipeline and one section of vertical stirring mill（2）Charging aperture be connected.
The open-circuit grinding system 8. two sections of vertical stirring mills according to claim 7 are connected, it is characterised in that：Described first
Agitator（11）For the vertical mixing bucket of cylindricality, second agitator（12）For the Horizontal stirring bucket of cylindricality, described second stirs
Mix bucket（12）Transverse width be more than the first agitator（11）Transverse width；Second agitator（12）Longitudinal direction it is highly small
In the first agitator（11）Longitudinal direction height.
The open-circuit grinding system 9. two sections of vertical stirring mills according to claim 8 are connected, it is characterised in that：Described first
Agitator（11）Inside it is equiped with spiral agitator；Second agitator（12）Inside it is equiped with disc mixer.
10. two sections of vertical stirring mills series connection open-circuit grinding system according to any one of claim 6 ~ 9, its feature exists
In：Second agitator（12）With one section of vertical stirring mill（2）Between be provided be used for store and adjust in mineral pulp level
Between groove（4）；The first pulp conveying pump（5）With the second pulp conveying pump（6）It is peristaltic pump, centrifugal pump, ceramic pump and slag
Any one in stock pump.
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| CN201710640414.4A CN107262224A (en) | 2017-07-31 | 2017-07-31 | A kind of zinc oxygen leaching method for preparing raw material and two sections of vertical stirring mill series connection open-circuit grinding systems |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108034816A (en) * | 2017-12-20 | 2018-05-15 | 宁波市鄞州智伴信息科技有限公司 | A kind of rare earths separation method in monazite |
| CN112295709A (en) * | 2020-11-19 | 2021-02-02 | 宝钢磁业（江苏）有限公司 | Vertical sanding system capable of improving grinding efficiency of manganese-zinc ferrite slurry |
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