CN206304894U - A kind of copper mine and nonferrous metals ore ore-dressing plant - Google Patents
A kind of copper mine and nonferrous metals ore ore-dressing plant Download PDFInfo
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- CN206304894U CN206304894U CN201621341309.8U CN201621341309U CN206304894U CN 206304894 U CN206304894 U CN 206304894U CN 201621341309 U CN201621341309 U CN 201621341309U CN 206304894 U CN206304894 U CN 206304894U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 21
- 239000010949 copper Substances 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 title claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 19
- 150000002739 metals Chemical class 0.000 title claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 79
- 239000000843 powder Substances 0.000 claims abstract description 66
- 238000003756 stirring Methods 0.000 claims abstract description 28
- 239000007787 solid Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000012141 concentrate Substances 0.000 claims abstract description 17
- 230000018044 dehydration Effects 0.000 claims abstract description 5
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 26
- 238000003801 milling Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 27
- 238000000926 separation method Methods 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000001238 wet grinding Methods 0.000 abstract description 8
- 238000003860 storage Methods 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 6
- 238000009837 dry grinding Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 description 25
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 11
- 238000005188 flotation Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model provides a kind of copper mine and nonferrous metals ore ore-dressing plant, it includes disintegrating machine, ore bank, bed-grinding equipment, powder concentrator, gas-solid separator, air-introduced machine, pre-mixer, stirring pool, ore pulp storehouse, ore-dressing plant, concentrate pond, tailing pit, dehydration device, technological process is ore reduction and storage → bed-grinding → select powder → gas solid separation → ore pulp preparation → ore dressing → Free water removing, contrast " wet-milling wet separation " beneficiating method existing in the industry, the technical program provides a kind of " dry grinding wet separation " ore-dressing plant, the grinding process of ore is changed to " dry method grinding " by existing " wet grinding ", miberal powder is obtained；Miberal powder is added water again, is stirred, obtaining the ore pulp for meeting ore dressing requirement, being then fed into beneficiating process carries out ore dressing, final prepared fine ore, the utility model have low ore grinding energy, single line production capacity high, low cost of manufacture, the features such as save engineering construction investment, reduce production and operation cost.
Description
Technical field
The present invention relates to smelting field of nonferrous metal, specially one kind is with massive ore as raw material, with " dry grinding wet separation "
Mode is to copper mine and the ore-dressing plant of nonferrous metals ore.
Background technology
So far, most copper mines and non-ferrous metal metallurgy is typically first by the tcrude ore that grade is relatively low, by choosing
Ore deposit improves the grade of ore, and fine ore is obtained, then is smelted, final to obtain copper and non-ferrous metal.
The process of copper mine and non-ferrous metal ore is typically by broken, ore grinding, ore dressing three phases.Broken is by bulk
The tcrude ore of shape is processed into particle and part dissociation compared with small particle by special equipment；Grinding process is will be small by what is crushed
Particle diameter ore feeds the milling equipment of cylindrical shape together with water, and in grinding, ore forms slurry with water, and whole grinding process is
Carried out in slurry；This kind equipment is typically medium mill, such as autogenous tumbling mill, semi-autogenous mill and ball mill.Its main working parts
It is cylinder, cylinder is built with abrasive media（Generally steel ball, rod iron, steel section or material in itself）, will be ground by cylinder rotation
Grinding media throws falling, and impact and abrasive action are formed to material, and material is finely ground into slurry；Slurry is sent to obtained in grinding
Beneficiating process carries out ore dressing.Carried out under slurry state based on ore grinding and ore dressing process, we term it " wet-milling is wet
Choosing " method." wet-milling wet separation " method constantly improve, raising in production practices, it has also become the main flow work of copper and non-ferrous metal ore industry
Process.
" wet-milling wet separation " method exist problem be：1. ore grinding process high energy consumption.Autogenous tumbling mill, semi-autogenous mill and ball mill
Natively belong to the very low equipment of efficiency, its grinding process is carried out in slurry, the presence of slurry, the impact of abrasive media
Effect is buffered, and more reduces the efficiency of equipment.2. single line production scale is restricted." wet-milling wet separation " is using autogenous tumbling mill, half
Autogenous tumbling mill and ball mill are milling equipment, and its milling capacity is directly proportional to length to the diameter of equipment, it is necessary to production capacity is bigger, equipment
Diameter it is bigger with length, as copper and non-ferrous metal metallurgy industry develop to maximization, the requirement to equipment capacity is also more next
Bigger, considerably beyond the mechanical process capacity of equipment manufacture, people have to using more milling equipments, so as to full
The demand of sufficient production line scale maximization, this not only considerably increases construction investment, also increases the operation and maintenance cost of equipment
With.
The content of the invention
The purpose of the present invention is for copper and non-ferrous metal ore industry provide a kind of new ore dressing equipment, by the grinding mistake of ore
Journey is changed to " dry method grinding " by " wet grinding ", and miberal powder is obtained；Then miberal powder added water, stirred, obtained and meet ore dressing requirement
Slurry, then sends the slurry into beneficiating process, and the milling equipment of selection is no longer medium mill, but uses " bed-grinding " skill
Art, the energy consumption of whole ore-dressing plant is greatly lowered, and the production capacity of single line is increased substantially, and adapts to larger industrial metaplasia
The need for product.
The present invention is adopted the technical scheme that：
A kind of copper mine and the device of non-ferrous metal low energy consumption ore dressing, include disintegrating machine, ore bank, bed-grinding and set
It is standby, powder concentrator, gas-solid separator, air-introduced machine, pre-mixer, stirring pool, ore pulp storehouse, ore-dressing plant, concentrate pond, tailing pit, de-
Water installations are constituted.Disintegrating machine is connected by conveying equipment with ore bank；Ore bank is set by conveying equipment with bed-grinding
Standby connection, the discharging opening of bed-grinding equipment is connected with the charging aperture of powder concentrator；The feedback outlet of powder concentrator and bed-grinding equipment
It is connected, the air stream outlet of powder concentrator is connected by pipeline with gas-solid separator；The miberal powder outlet of gas-solid separator is by conveying
Equipment is connected with pre-mixer, and air outlet slit is connected by pipeline with air-introduced machine；The grout outlet of pre-mixer is filled by conveying
Put and be connected with stirring pool, stirring pool is connected with ore pulp storehouse by conveying device and constitutes the circulatory system, ore pulp storehouse is filled by conveying
Put and be connected with ore-dressing plant, ore-dressing plant is connected by conveying device with concentrate pond and tailing pit, concentrate pond passes through conveying device
It is connected with dehydration device.
Equipment, conveying device, the conveying equipment of above-mentioned conveying material are typically set from the material conveying of row industry routine
It is standby, such as conveyer belt, elevator for solid material, the Pneumatic conveying pipeline of powder class, the shurry pump and pipeline of slurry class
Deng.
Described bed-grinding equipment includes two kinds of structure types, and the first form is vertical grinder, and it includes grinding roller, mill
Disk, is exerted a force using grinding roller, the form of mill load, and mill is in disk or annular, the machinery that grinding roller is produced by hydraulic means
Pressure is acted on mill, and relative rolling connects on mill, is ground material in the way of extruding and grinding stripping；Another structure
Form is roll squeezer, and it includes a pair of grinding rollers, using a pair of mutual forces of grinding rollers and the pair roller type grinding machine of load, the powder of the grinding machine
Grinding machine structure is a pair of cylindrical rollers, parallel to each other in frame, opposite synchronous axial system during operating, is produced by hydraulic means
Raw mechanical pressure, mutually extruding by the material in space between two grinding rollers being crushed by way of extruding.
Because bed-grinding is carried out based on bed-grinding principle, it directly acts on by by grinding thing high voltage load
Expect the material bed for being formed, the major part of energy is used for the mutual extruding between material, and the acoustic energy of material friction generation, heat energy are turned
Deformation energy is turned to, material is deformed, tear, crushed, therefore, bed-grinding has energy utilization efficiency higher, and more
It is easily achieved the big industrialized production of material to be processed.
Described ore pulp preparation process includes pre-mixer, stirring pool and ore pulp storehouse.Pre-mixer uses propeller blade pair
Miberal powder carries out the stirring that adds water, and the purpose is to make miberal powder be mixed with water, gained ore pulp is admitted to stirring pool, stirring pool after mixing
It is the device that solid, liquid stirring is carried out by the way of machinery and pneumatic agitation, it makes miberal powder be sufficiently mixed with water, is then fed into ore deposit
Slurry storehouse, solid phase continues to obtain the infiltration of liquid phase in ore pulp storehouse.
, be crushed to the relatively low tcrude ore of grade suitably first by a kind of energy-saving copper mine and the method for nonferrous metals ore ore dressing
Granularity, grinding is carried out subsequently into the bed-grinding stage, and the material after grinding is admitted to powder concentrator and is classified, after classification, carefully
Spend underproof material and return to bed-grinding operation continuation grinding, the qualified miberal powder of fineness is introduced into gas solid separation operation and carries out
Gas, solid separation；The qualified miberal powder of gained enters ore pulp preparation section, and in ore pulp preparation section, miberal powder is sufficiently mixed and is homogenized with water,
Qualified ore pulp is obtained, and stores for future use；Qualified ore pulp is admitted to beneficiating process and carries out ore dressing after taking out, obtain water content larger
Concentrate, then by Free water subtractive process, finally obtains fine ore；
Comprise the following steps that：
1. ore reduction selects powder → step 4. gas solid separation → step to step with storage → step 2. bed-grinding → step 3.
Rapid 5. ore pulp preparation → step 6. ore dressing → step 7. Free water removing.
Step 1. ore reduction and storage：
The size of the tcrude ore lumpiness according to exploitation, selects crushing process and equipment, and tcrude ore is crushed, will be broken
Ore particles feeding ore storage storehouse afterwards is standby.
Step 2. bed-grinding：
Ore particles feeding bed-grinding operation in step 1. repository is carried out into grinding.
Step 3. selects powder：
Through step 2. process obtained by material be admitted to and select the powder equipment to carry out selecting powder, wherein, meet grinding fineness requirement
Miberal powder is directed to step 4；The material return to step 2 that fineness can not meet requirement continues grinding.
Step 4. gas solid separation：
Miberal powder from step 3, gas-solid separation equipment is introduced into by wind-force, and the miberal powder of separated gained is collected goes forward side by side
Enter step 5, separating obtained pure air enters air.
It is prepared by step 5. ore pulp
Pre- mixing plant is first fed to through step 4 gained miberal powder, while adding water, and is stirred in pre- mixing plant
Mix.Air stirring equipment is admitted to by the ore pulp after stirring, in air stirring equipment, the solid, liquid two-phase in ore pulp is abundant
Mixing, acquisition meets the ore pulp of ore dressing requirement, and ore pulp feeding ore pulp storehouse is stored for future use.
Step 6. ore dressing
Ore pulp in ore pulp storehouse is taken out carries out ore dressing, obtains water content concentrate higher.
Step 7. Free water is removed
Free water subtractive process is as needed, using concentration, filtering or dry mode, by water content concentrate higher
Free water removing in powder, is finally obtained fine ore.
The beneficial effects of the utility model are：Copper mine and nonferrous metallic ores are selected using the equipment of " dry grinding wet separation "
A kind of ore deposit, there is provided the method and apparatus of new copper mine and non-ferrous metal ore, and " bed-grinding " technology is employed to ore
Grinding is carried out, then by grinding gained miberal powder slurrying, then carries out ore dressing, therefore, possess following characteristics：
1. ore grinding energy is low.Contrast " wet-milling wet separation " method, " dry grinding wet separation " ore grinding system total installation of generating capacity can
To reduce by more than 50%.
2. single line production capacity is high, this cause the development of copper and non-ferrous metal ore industry no longer by equipment manufacturing difficulty it is big,
The constraint being more expensive to manufacture.
3., because single line production capacity is high, low cost of manufacture, so as to save engineering construction investment, also reduces production fortune
Battalion's cost.
Brief description of the drawings
Fig. 1 apparatus of the present invention schematic diagrames；
One of Fig. 2 embodiments of the present invention；
The two of Fig. 3 embodiments of the present invention.
Specific embodiment
Embodiment 1. such as Fig. 2：The present invention provides a kind of new method for the production of copper mine and non-ferrous metal ore, including with
Lower step：1. ore reduction selects powder → step 4. gas solid separation → step to step with storage → step 2. bed-grinding → step 3.
Rapid 5. ore pulp preparation → step 6. ore dressing → step 7. Free water removing.
Step 1 is first passed around to be crushed the relatively low tcrude ore of grade；It is obtained by step 2, step 3 and step 4 again
Dry miberal powder；Miberal powder is prepared into the ore pulp for meeting ore dressing requirement by step 5；Finally it is obtained by step 6 and step 7 again
Fine ore.
Present invention also offers copper mine and the device of non-ferrous metal low energy consumption ore dressing, include disintegrating machine 11, ore bank
12nd, bed-grinding equipment 13, powder concentrator 14, gas-solid separator 15, air-introduced machine 16, pre-mixer 17, stirring pool 18, ore pulp storehouse
19th, the composition such as ore-dressing plant 20, concentrate pond 21, tailing pit 22, dehydration device 23.Disintegrating machine 11 is stored up by conveying equipment with ore
Storehouse 12 connects；Ore bank 12 is connected by conveying equipment with bed-grinding equipment 13, and the discharging opening of bed-grinding equipment 13 leads to
Conveying equipment is crossed to be connected with the charging aperture of powder concentrator 14；The feedback outlet of powder concentrator 14 is connected with bed-grinding equipment 13, expects at this
Bed milling equipment use vertical grinder 13.3, also including hot-blast stove 13.1, wind mixed chamber 13.2, wind mixed chamber by the hot blast of hot-blast stove with
And the hot blast that air-introduced machine 16 is returned is blown into vertical grinder 13.3 together, the air stream outlet of powder concentrator 14 is by pipeline and gas-solid point
It is connected from device 15；The miberal powder outlet of gas-solid separator 15 is connected by conveying equipment with pre-mixer 17, and air outlet slit leads to
Piping is connected with air-introduced machine 16；The grout outlet of pre-mixer 17 is connected by conveying device with stirring pool 18, and stirring pool 18 leads to
Cross conveying device to be connected with ore pulp storehouse 19 and constitute the circulatory system, ore pulp storehouse 19 is connected by conveying device with ore-dressing plant 20,
Ore-dressing plant 20 is connected by conveying device with concentrate pond 21 and tailing pit 22, and concentrate pond 21 passes through conveying device and dehydration device
23 connections.
Copper Ores from mine are discharged into disintegrating machine 11, and ore bank 12 is sent into after being crushed to appropriate granularity through disintegrating machine 11
It is standby.Ore in ore bank 12 sends into vertical grinder 13.3 by conveying equipment, and ore is in mill in vertical grinder 13.3
It is upper to form material bed and rolled repeatedly by grinding by grinding roller；The part hot blast that the hot blast that hot-blast stove 13.1 is produced is returned with air-introduced machine 16
Mix in wind mixed chamber 13.2, ore is dried subsequently into vertical grinder 13.3；Simultaneously by vertical grinder 13.3
Powder concentrator 14 is introduced with the material of grinding.In powder concentrator 14, qualified miberal powder is taken out of into bagged gas-solid separator 15 by air-flow；
The underproof material of granularity is separated by powder concentrator 14, is returned to vertical grinder 13.3 and is continued grinding.Bagged gas-solid separator 15 is separated
The miberal powder for going out is admitted to pre-mixer 17, and the pure air after separation is partly into wind mixed chamber 13.2 through air-introduced machine 16, another
Part enters air.It is admitted to the miberal powder of pre-mixer 17 and is sufficiently mixed and is made slurry with water in pre-mixer 17, gained material
Slurry is sent to stirring pool 18 and is sufficiently agitated uniformly, is sufficiently mixed the solid, liquid two-phase in slurry, and acquisition meets ore dressing requirement
Ore pulp, qualified ore pulp is admitted to ore pulp storehouse 19 and stores for future use.In order to overcome ore pulp to occur to precipitate in ore pulp storehouse 19 or be layered,
The ore pulp of storage is also dependent on needing foldback stirring pool 18；Ore pulp for ore dressing is sent to ore-dressing plant（Ore-dressing plant by
Stirring pool 20.1 and flotation device 20.2 are constituted）Stirring pool 20.1 is stirred, and the ore pulp after stirring is carried out into flotation device 20.2
Flotation.Ore pulp is divided into Tailings Slurry and concentrate slurry after flotation, and Tailings Slurry is admitted to tailing pit 22, subsequently into tailings glass system
System；Concentrate slurry is admitted to concentration basin 23.1, filter press 23.2 is sent into after concentrated treatment or drying machine 23.3 is filtered or dried, most
Fine ore is obtained eventually.
Embodiment 2. is shown in Fig. 3：In addition to bed-grinding equipment is slightly different, remaining equipment and flow and the phase of embodiment 1
Together, the embodiment replaces the vertical grinder, idiographic flow to be using roll squeezer：Copper Ores from mine are discharged into disintegrating machine 11, warp
Feeding ore bank 12 is standby after disintegrating machine 11 is crushed to appropriate granularity.Ore in ore bank 12 sends into V by conveying equipment
Type powder concentrator 13.4, V-type powder concentrator 13.4 is used cooperatively with powder concentrator 14 at this, and upper, V-type powder concentrator 13.4 exists powder concentrator 14
Under, material enters roll squeezer 13.5 after V-type powder concentrator 13.4 is buffered；In roll squeezer 13.5, ore is mutual by grinding roller
Extrude and crush, again return to V-type powder concentrator 13.4；The part hot blast that the hot blast that hot-blast stove 13.1 is produced is returned with air-introduced machine 16
Mix in wind mixed chamber 13.2, ore is dried subsequently into V-type powder concentrator 13.4；Hot blast is by V-type powder concentrator simultaneously
Grinding material in 13.4 introduces powder concentrator 14.In powder concentrator 14, qualified miberal powder is taken out of into bagged gas-solid point by air-flow
From device 15；The underproof material of granularity is separated by powder concentrator 14, returns to V-type powder concentrator 13.4, and enter by V-type powder concentrator 13.4
Enter roll squeezer 13.4 and continue grinding.The miberal powder that bagged gas-solid separator 15 is isolated is admitted to pre-mixer 17, clean after separation
Net air is partly into wind mixed chamber 13.2 through air-introduced machine 16, and another part enters air.It is admitted to the miberal powder of pre-mixer 17
It is sufficiently mixed with water in pre-mixer 17 and is made slurry, gained slurry is sent to stirring pool 18 and is sufficiently agitated uniformly, makes
Solid, liquid two-phase in slurry is sufficiently mixed, and acquisition meets the ore pulp of ore dressing requirement, and qualified ore pulp is admitted to ore pulp storehouse 19 and stores standby
With.In order to overcome ore pulp to occur to precipitate in ore pulp storehouse 19 or be layered, the ore pulp of storage is also dependent on needing foldback stirring pool 18；
Ore pulp for ore dressing is sent to ore-dressing plant（Ore-dressing plant is made up of stirring pool 20.1 and flotation device 20.2）Stirring pool
20.1 are stirred, and the ore pulp after stirring carries out flotation into flotation device 20.2.Ore pulp is divided into Tailings Slurry and concentrate after flotation
Slurry, Tailings Slurry is admitted to tailing pit 22, subsequently into tailings glass system；Concentrate slurry is admitted to concentration basin 23.1, concentrated place
Filter press 23.2 is sent into after reason or drying machine 23.3 is filtered or dried, fine ore is finally obtained.
Claims (2)
1. a kind of copper mine and nonferrous metals ore ore-dressing plant, it is characterised in that：It includes disintegrating machine, ore bank, bed-grinding
Equipment, powder concentrator, gas-solid separator, air-introduced machine, pre-mixer, stirring pool, ore pulp storehouse, ore-dressing plant, concentrate pond, tailing pit,
Dehydration device, disintegrating machine is connected by conveying equipment with ore bank；Ore bank is by conveying equipment and bed-grinding equipment
Connection, the discharging opening of bed-grinding equipment is connected by conveying equipment with the charging aperture of powder concentrator；The feedback outlet of powder concentrator and material
Bed milling equipment is connected, and the air stream outlet of powder concentrator is connected by pipeline with gas-solid separator；The miberal powder of gas-solid separator goes out
Mouth is connected by conveying equipment with pre-mixer, and air outlet slit is connected by pipeline with air-introduced machine；The discharging opening of pre-mixer
Be connected with stirring pool by conveying device, stirring pool is connected by conveying device with ore pulp storehouse, ore pulp storehouse by conveying device with
Ore-dressing plant is connected, and ore-dressing plant is connected by conveying device with concentrate pond and tailing pit, and concentrate pond passes through conveying device and takes off
Water installations are connected.
2. copper mine according to claim 1 and nonferrous metals ore ore-dressing plant, it is characterised in that：Bed-grinding equipment includes
Two kinds of structure types, the first form is vertical grinder, and it includes grinding roller, mill, is exerted a force using grinding roller, the shape of mill load
Formula, mill is in disk or annular, and grinding roller relies on the action of mechanical pressure of hydraulic means generation on mill, on mill relatively
Connection is rolled, material is ground in the way of extruding and grinding stripping；Another structure type is roll squeezer, and it includes a pair of grinding rollers,
Using a pair of mutual forces of grinding rollers and the pair roller type grinding machine of load, the grinding mechanism of the grinding machine is a pair of cylindrical rollers, mutually
It is installed in parallel in frame, opposite synchronous axial system during operating, by the mechanical pressure that hydraulic means is produced, extruding mutually will pass through
The material in space is crushed in the way of extruding between two grinding rollers.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621341309.8U CN206304894U (en) | 2016-12-08 | 2016-12-08 | A kind of copper mine and nonferrous metals ore ore-dressing plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621341309.8U CN206304894U (en) | 2016-12-08 | 2016-12-08 | A kind of copper mine and nonferrous metals ore ore-dressing plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106423538A (en) * | 2016-12-08 | 2017-02-22 | 泰安中意重型工业设备有限公司 | Copper mineral and nonferrous metal mineral separating method and device |
| CN110976493A (en) * | 2020-01-03 | 2020-04-10 | 衢州超越环保科技有限公司 | Construction waste treatment equipment |
| CN113649156A (en) * | 2021-08-19 | 2021-11-16 | 江西科技学院 | A grinding device for copper tailings |
-
2016
- 2016-12-08 CN CN201621341309.8U patent/CN206304894U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106423538A (en) * | 2016-12-08 | 2017-02-22 | 泰安中意重型工业设备有限公司 | Copper mineral and nonferrous metal mineral separating method and device |
| CN110976493A (en) * | 2020-01-03 | 2020-04-10 | 衢州超越环保科技有限公司 | Construction waste treatment equipment |
| CN113649156A (en) * | 2021-08-19 | 2021-11-16 | 江西科技学院 | A grinding device for copper tailings |
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