CN209663448U - A kind of ore-dressing plant of gold raw ore - Google Patents
A kind of ore-dressing plant of gold raw ore Download PDFInfo
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- CN209663448U CN209663448U CN201920170207.1U CN201920170207U CN209663448U CN 209663448 U CN209663448 U CN 209663448U CN 201920170207 U CN201920170207 U CN 201920170207U CN 209663448 U CN209663448 U CN 209663448U
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Abstract
The utility model discloses a kind of ore-dressing plants of golden raw ore, are related to the technical field of preparation equipment, main purpose, which is to provide one kind, can mention the ore-dressing plant for grinding the fineness of high raw ore.A kind of main technical schemes of the utility model are as follows: ore-dressing plant of gold raw ore, comprising: crushing device；Ore grinding device, the first ore grinding device are connected to crushing device, for ore to be carried out ore grinding, and generate ore pulp；Classification mechanism, the both ends of first feed pipe are connected to the first ore grinding device and the first grading plant, the both ends of first discharge nozzle are connected to the first ore grinding device and the first grading plant, the both ends of second discharge nozzle are connected to the first grading plant and the second ore grinding device, and the both ends of third discharge nozzle are connected to the first grading plant and the second grading plant.The utility model is mainly used for the ore dressing of golden raw ore.
Description
Technical field
The utility model relates to the technical field of preparation equipment more particularly to a kind of ore-dressing plants of golden raw ore.
Background technique
Gold is a kind of noble metal, and golden simple substance is solid, density height, soft, bright, anticorrosive, malleability at room temperature
It is highest in known metal.Gold and most of chemicals will not all chemically react, but can be by chlorine, fluorine, chloroazotic acid and cyanogen
Compound corrodes.Gold can be dissolved by mercury, and the nitric acid that can dissolve silver and base metal cannot dissolve gold.
The ore-dressing technique of quartz vein gold mine is mainly passed through by floatation process obtains Gold Concentrate under Normal Pressure from raw ore at present, into
It before entering floatation process, needs first to be crushed raw ore, the process flow of ore grinding and classification, existing process flow is main
Be raw ore is carried out it is broken form ore, then be classified by ore grinding twice and twice and obtain the ore pulp of ideal fineness, due to by
The influence of ore nature, existing process flow, can be by whole bottoms after first order grinding attachment carries out ore grinding to ore
It flows ore pulp to return in first order grinding attachment, the load of first order grinding attachment is caused to increase, to reduce first order mill
The working efficiency of mine equipment, also, the fineness for also resulting in the ore pulp that first order grinding attachment is ground is insufficient, and then influences subsequent
Process flow.
Utility model content
In view of this, the utility model embodiment provides a kind of ore-dressing plant of golden raw ore, main purpose is to provide one kind
The ore-dressing plant for grinding the fineness of high raw ore can be mentioned.
In order to achieve the above objectives, the utility model mainly provides the following technical solutions:
The utility model embodiment provides a kind of ore-dressing plant of golden raw ore, which includes:
Crushing device, the crushing device generate ore for being crushed raw ore；
Ore grinding device, the ore grinding device include the first ore grinding device and the second ore grinding device, the first ore grinding device
It is connected to the crushing device, for ore to be carried out ore grinding, and generates ore pulp；
Classification mechanism, the classification mechanism go out including the first grading plant, the second grading plant, the first feed pipe, first
Expects pipe, the second discharge nozzle and third discharge nozzle, the both ends of first feed pipe be connected to the first ore grinding device and
First grading plant, for by the pulp conveying in the first ore grinding device to first grading plant, described
The both ends of one discharge nozzle are connected to the first ore grinding device and first grading plant, are used for part underflow ore pulp
It is delivered to the first ore grinding device, the both ends of second discharge nozzle are connected to first grading plant and described
Two ore grinding devices, for distinguishing the both ends of part underflow pulp conveying to the second ore grinding device, the third discharge nozzle
It is connected to first grading plant and second grading plant, the overflow pulp for generating first grading plant
It is delivered to the second grading plant.
Further, the diameter of first discharge nozzle is greater than the diameter of second discharge nozzle.
Further, metering unit, the metering unit include the first metering unit and the second metering unit, described first
The junction of first discharge nozzle and first grading plant is arranged in metering unit, and the second metering unit setting exists
The junction of second discharge nozzle and first grading plant, for measuring the flow of underflow ore pulp.
Further, control valve, the control valve include the first control valve and the second control valve, and first control valve is set
Set in the junction of first discharge nozzle and first grading plant, for control first discharge nozzle unlatching or
It closes, the junction of second discharge nozzle and first grading plant is arranged in second control valve, for controlling
State being turned on or off for the second discharge nozzle.
Further, return pipe, one end of the return pipe are connected to the second ore grinding device, and the other end is connected to institute
The second grading plant is stated, the pulp conveying for generating the second ore grinding device to second grading plant.
Further, flotation unit, the flotation unit is connected to second grading plant, for receiving described second
The overflow pulp that grading plant generates.
Further, the ore grinding device is ball mill.
Further, first grading plant and second grading plant are cyclone.
Compared with prior art, the utility model has the following technical effect that
In technical solution provided by the embodiment of the utility model, crushing device generates ore for being crushed raw ore；Ore grinding
Device includes the first ore grinding device and the second ore grinding device, and the first ore grinding device is connected to crushing device, for carrying out ore
Ore grinding, and generate ore pulp；Classification mechanism include the first grading plant, the second grading plant, the first feed pipe, the first discharge nozzle,
Second discharge nozzle and third discharge nozzle, the both ends of the first feed pipe are connected to the first ore grinding device and the first grading plant,
For by the pulp conveying in the first ore grinding device to the first grading plant, the both ends of the first discharge nozzle to be connected to the first mill
Mine device and the first grading plant, for dividing the both ends of part underflow pulp conveying to the first ore grinding device, the second discharge nozzle
It is not connected to the first grading plant and the second ore grinding device, is used for part underflow pulp conveying to the second ore grinding device, third
The both ends of discharge nozzle are connected to the first grading plant and the second grading plant, the overflow for generating the first grading plant
Pulp conveying is to the second grading plant, compared with the existing technology, can will be complete after first order grinding attachment carries out ore grinding to ore
Underflow ore pulp in portion's returns in first order grinding attachment, causes the load of first order grinding attachment to increase, to reduce first
The working efficiency of grade grinding attachment, also, the fineness for also resulting in the ore pulp that first order grinding attachment is ground is insufficient, and then influences
Subsequent process flow, in the utility model embodiment, the first grading plant is by a part of underflow pulp conveying to the first ore grinding
Device, another part underflow pulp conveying to the second ore grinding device not only reduce the load of level-one ore grinding device, also, drop
The low energy consumption of level-one ore grinding device, meanwhile, second level ore grinding device first carries out ore grinding to part underflow ore pulp, makes secondary grinding
The slurry fineness that mine device is ground is smaller, is conducive to subsequent graded operation, and the fineness of the ore pulp obtained by ore grinding is smaller, from
And make the recycling that useful element is more conducive in floatation process, and then reached the technical effect for improving recovery rate in ore-dressing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the ore-dressing plant of the first golden raw ore provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the ore-dressing plant of second of gold medal raw ore provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of ore-dressing plant of golden raw ore, which includes:
Crushing device 10, crushing device 10 generate ore for being crushed raw ore；
Ore grinding device, ore grinding device include the first ore grinding device 210 and the second ore grinding device 220, the first ore grinding device 210
It is connected to crushing device 10, for ore to be carried out ore grinding, and generates ore pulp；
Grading plant, grading plant include the first grading plant 310, the second grading plant 320, the first feed pipe 330, the
One discharge nozzle 340, the second discharge nozzle 350 and third discharge nozzle 360, the both ends of the first feed pipe 330 are connected to the first mill
Mine device 210 and the first grading plant 310, for by the pulp conveying in the first ore grinding device 210 to the first grading plant
310, the both ends of the first discharge nozzle 340 are connected to the first ore grinding device 210 and the first grading plant 310, are used for part
Underflow pulp conveying to the first ore grinding device 210, the both ends of the second discharge nozzle 350 are connected to 310 He of the first grading plant
Second ore grinding device 220, for dividing the both ends of part underflow pulp conveying to the second ore grinding device 220, third discharge nozzle 360
It is not connected to the first grading plant 310 and the second grading plant 320, the overflow pulp for generating the first grading plant 310
It is delivered to the second grading plant 320.
In technical solution provided by the embodiment of the utility model, crushing device 10 generates ore for being crushed raw ore；
Ore grinding device includes the first ore grinding device 210 and the second ore grinding device 220, and the first ore grinding device 210 is connected to brokenly
Crushing device 10 for ore to be carried out ore grinding, and generates ore pulp；Classification mechanism includes the first grading plant 310, second classification dress
Set the 320, first feed pipe 330, the first discharge nozzle 340, the second discharge nozzle 350 and third discharge nozzle 360, the first feed pipe 330
Both ends be connected to the first ore grinding device 210 and the first grading plant 310, for by the mine in the first ore grinding device 210
Slurry is delivered to the first grading plant 310, and the both ends of the first discharge nozzle 340 are connected to the first ore grinding device 210 and first point
Stage arrangement 310, for by part underflow pulp conveying to the first ore grinding device 210, the both ends of the second discharge nozzle 350 to be separately connected
In the first grading plant 310 and the second ore grinding device 220, it is used for part underflow pulp conveying to the second ore grinding device 220, the
The both ends of three discharge nozzles 360 are connected to the first grading plant 310 and the second grading plant 320, for filling the first classification
The overflow pulp for setting 310 generations is delivered to the second grading plant 320, compared with the existing technology, in first order grinding attachment to mine
After stone carries out ore grinding, whole underflow ore pulps can be returned in first order grinding attachment, lead to the load of first order grinding attachment
Increase, to reduce the working efficiency of first order grinding attachment, also, also results in the ore pulp that first order grinding attachment is ground
Fineness it is insufficient, and then influence subsequent process flow, in the utility model embodiment, the first grading plant 310 will be a part of
Underflow pulp conveying to the first ore grinding device 210, another part underflow pulp conveying is not only reduced to the second ore grinding device 220
The load of level-one ore grinding device, also, the energy consumption of level-one ore grinding device is reduced, meanwhile, second level ore grinding device is first right
Underflow ore pulp in part carries out ore grinding, and the slurry fineness for grinding second level ore grinding device is smaller, is conducive to subsequent graded operation, leads to
The fineness for crossing the ore pulp that ore grinding obtains is smaller, to make the recycling for being more conducive to useful element in floatation process, and then has reached and has mentioned
The technical effect of high recovery rate in ore-dressing.
The effect of above-mentioned crushing device 10 is to be crushed to golden raw ore, and generate ore, and crushing device 10 can use
Common attrition crushing device 10, can also be using other crushing devices 10, as long as can be crushed to golden raw ore；
The effect of ore grinding device is to carry out ore grinding to ore to generate miberal powder, and ore grinding device includes the first ore grinding device 210 and the second ore grinding
Device 220, the first ore grinding device 210 are connected to crushing device 10, generate miberal powder for ore to be carried out ore grinding, then into miberal powder
Suitable water is added and forms ore pulp, ore grinding device is mainly the impact by means of medium (steel ball, rod iron, gravel) and ore itself
And grinding and peeling effect, so that the granularity of ore is further become smaller, until the operation of grind into powder, therefore, ore grinding device can be used
Ball mill or the setting of other ore grindings, as long as can be by gold ore grind into powder；Classification mechanism includes the first classification dress
Set the 310, second grading plant 320, the first feed pipe 330, the first discharge nozzle 340, the second discharge nozzle 350 and third discharge nozzle
360, the both ends of the first feed pipe 330 are connected to the first ore grinding device 210 and the first grading plant 310, are used for first
For pulp conveying in ore grinding device 210 to the first grading plant 310, the both ends of the first discharge nozzle 340 are connected to the first mill
Mine device 210 and the first grading plant 310 are used for part underflow pulp conveying to the first ore grinding device 210, the second discharge nozzle
350 both ends are connected to the first grading plant 310 and the second ore grinding device 220, are used for part underflow pulp conveying extremely
Second ore grinding device 220, the both ends of third discharge nozzle 360 are connected to the first grading plant 310 and the second grading plant
320, the overflow pulp for generating the first grading plant 310 is delivered to the second grading plant 320, is first put into brokenly golden raw ore
In crushing device 10,10 pairs of crushing device golden raw ores, which be crushed, forms ore, then ore is passed through the first ore grinding device 210, right
Ore carries out ore grinding and forms powder, then suitable water is added into powder, forms ore pulp, and ore pulp is then passed through the first classification dress
It sets in 310, graded operation is carried out to ore pulp, a part of underflow ore pulp is filled by the first discharge nozzle 340 back to the first ore grinding
It sets in 210, continues to grind by the first ore grinding device 210, the underflow ore pulp of another part enters the by the second discharge nozzle 350
In two ore grinding devices 220, underflow ore pulp is ground by the second ore grinding device 220, not only reduces level-one ore grinding device
Load, also, reduce the energy consumption of level-one ore grinding device, meanwhile, the overflow pulp that the first grading plant 310 is generated
It is delivered to the second grading plant 320, graded operation is carried out to overflow pulp, forms secondary underflow ore pulp and secondary overflow pulp,
Secondary overflow pulp is directly entered flotation operation program, and secondary underflow ore pulp enters the second ore grinding device 220 and ground, so
Afterwards, the ore pulp that the second ore grinding device 220 is ground is passed through the second grading plant 320, graded operation is continued to ore pulp, this
In embodiment, ore grinding is first carried out to part underflow ore pulp by second level ore grinding device, the ore pulp for grinding second level ore grinding device is thin
The fineness for the ore pulp spent smaller, be conducive to subsequent graded operation, also, obtained by ore grinding is smaller, to make floatation process
In be more conducive to useful element recycling, and then reached improve recovery rate in ore-dressing technical effect.
Further, the diameter of the first discharge nozzle 340 is greater than the diameter of the second discharge nozzle 350.In the present embodiment, further
The first discharge nozzle 340 and the second discharge nozzle 350 are defined, since most underflow ore pulp needs to enter the first ore grinding device
210 are re-grind, and two least a portion of underflow ore pulps are ground into the second ore grinding device 220, by changing the first discharge nozzle
340 and second the diameter of discharge nozzle 350 limit the amount of flow of underflow ore pulp, make the underflow mine into the first ore grinding device 210
Slurry is more than the underflow ore pulp into the second ore grinding device 220, to further reach the load and energy for reducing level-one ore grinding device
The technical effect of source consumption.
Further, as shown in Figure 1, increasing metering unit, metering unit includes the first metering unit 610 and the second meter
Component 620 is measured, the junction of the first discharge nozzle 340 and the first grading plant 310, the second meter is arranged in the first metering unit 610
The junction of the second discharge nozzle 350 and the first grading plant 310 is arranged in amount component 620, for measuring the flow of underflow ore pulp.
In the present embodiment, metering unit is increased, the effect of metering unit is the stream to the underflow ore pulp of the first grading plant 310 of discharge
Amount carries out him and measures, and facilitates monitoring and counts the traffic conditions of the first discharge nozzle 340 and the second discharge nozzle 350；It optionally, can be with
Valve is set on the first discharge nozzle 340 or the second discharge nozzle 350, and the first metering unit 610 is connect with valve, also, In
Preset value, when the flow of the first discharge nozzle 340 and the second discharge nozzle 350 reaches preset value, valve is arranged in first metering unit 610
Door is closed, and the underflow ore pulp in the first grading plant 310 can enter the second ore grinding device 220 by the second discharge nozzle 350,
The load of level-one ore grinding device and the technical effect of energy consumption are reduced to further reach.
Further, as shown in Fig. 2, increasing control valve, control valve includes the first control valve 710 and the second control valve
720, the junction of the first discharge nozzle 340 and the first grading plant 310 is arranged in the first control valve 710, goes out for controlling first
Expects pipe 340 is turned on or off, and the connection of the second discharge nozzle 350 and the first grading plant 310 is arranged in the second control valve 720
Place, for controlling being turned on or off for the second discharge nozzle 350.In the present embodiment, control valve is increased, the effect of control valve is
Being turned on or off for the first discharge nozzle 340 and the second discharge nozzle 350 is controlled, enters the first ore grinding device due to needing to control
The flow of 210 underflow ore pulp, therefore, the first control of setting in the junction of the first discharge nozzle 340 and the first grading plant 310
Valve 710 is arranged the second control valve 720 in the junction of the second discharge nozzle 350 and the first grading plant 310, can effectively control
System enters the flow of the underflow ore pulp of the first ore grinding device 210, to reach the underflow mine that control enters the first ore grinding device 210
The technical effect of the flow of slurry.
Further, as depicted in figs. 1 and 2, return pipe 40 is increased, one end of return pipe 40 is connected to the second ore grinding dress
220 are set, the other end is connected to the second grading plant 320, and the pulp conveying for generating the second ore grinding device 220 is to second point
Stage arrangement 320.In the present embodiment, return pipe 40 is increased, the effect of return pipe 40 is the mine for generating the second ore grinding device 220
Slurry is delivered to the second grading plant 320, and the second ore grinding device 220 can grind the smaller ore pulp of fineness, make ore pulp
Fineness is smaller, is ground by the second ore grinding device 220 to ore pulp, then is passed through the second grading plant 320 by return pipe 40
In, graded operation is carried out to ore pulp, underflow ore pulp returns in the second ore grinding device 220, and overflow pulp enters flotation operation, thus
Reach the technical effect for improving the rate of recovery of gold.
Further, as depicted in figs. 1 and 2, flotation unit 50 is increased, flotation unit 50 is connected to the second grading plant
320, for receiving the overflow pulp of the second grading plant 320 generation.Flotation unit 50 is according to mineral particle surface
The difference of physicochemical properties, by the device that the difference of mineral floatability is sorted, in flotation operation, it will usually be added floating
The flotation reagents such as reagent, such as waterglass, collecting agent, foaming agent are selected, mineral grain can be preferably extracted, to reach raising
The technical effect of the grade of gold.
Further, ore grinding device is ball mill.Ball mill is by horizontal cylinder, the portions such as input and output material hollow shaft and bistrique
It is grouped as, cylinder is long cylinder, and cylinder is provided with abrasive body, and cylinder is steel plate manufacture, has steel liner plate to fix with cylinder, grinds
Body is generally steel ball, and is fitted into cylinder by different-diameter and certain proportion, and abrasive body can also use steel section.According to grinding material
Granularity selected, material by feeding of ball mill end hollow shaft be packed into cylinder in, when ball mill barrel rotation when, abrasive body
Since inertia and centrifugal force act on, the effect of frictional force is attached to it on shell liner and is taken away by cylinder, certain when being brought to
When height, due to itself gravity and left, the grinding body image projectile of whereabouts is equally by the intracorporal material of cylinder
To smashing.Material by feeding device through pan feeding hollow shaft spiral evenly into the first storehouse of grinding machine, have in the storehouse ladder lining board or
Corrugated liner, built-in various specifications steel ball, barrel body rotation are generated after centrifugal force takes steel ball to certain altitude and are fallen, produce to material
Raw bang and abrasive action.After material reaches corase grinding in the first storehouse, enters the second storehouse through single layer partition panel, stud with flat lining in the storehouse
Plate inside has steel ball, and material is further ground.Powder is discharged by discharging grate plate, completes grinding operation.
Further, the first grading plant 310 and the second grading plant 320 are cyclone.Cyclone is a kind of common
Separation classifying equipoment, commonly use centrifugal sedimentation principle.When two-phase mixtures liquid to be separated is cut with certain pressure from cyclone periphery
To after entering in cyclone, the strong rotational shear turbulent motion of strong Three-Dimensional Elliptic is generated.Due to coarse granule and fine grained it
Between that there are granularities is poor, it is of different sizes by centrifugal force, centripetal buoyancy, fluid drag etc., acted on by centrifugal sedimentation, it is most of thick
Particle is discharged through cyclone underflow opening, and most of fine grained is discharged by overflow pipe, to reach separation classification purpose.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (8)
1. a kind of ore-dressing plant of gold raw ore characterized by comprising
Crushing device, the crushing device generate ore for being crushed raw ore；
Ore grinding device, the ore grinding device include the first ore grinding device and the second ore grinding device, the first ore grinding device connection
In the crushing device, for ore to be carried out ore grinding, and ore pulp is generated；
Classification mechanism, the classification mechanism include the first grading plant, the second grading plant, the first feed pipe, the first discharge nozzle,
Second discharge nozzle and third discharge nozzle, the both ends of first feed pipe are connected to the first ore grinding device and described
One grading plant, for the pulp conveying in the first ore grinding device to first grading plant, described first to discharge
The both ends of pipe are connected to the first ore grinding device and first grading plant, are used for part underflow pulp conveying extremely
The first ore grinding device, the both ends of second discharge nozzle are connected to first grading plant and second ore grinding
Device, for by part underflow pulp conveying to the second ore grinding device, the both ends of the third discharge nozzle to be connected to
First grading plant and second grading plant, the overflow pulp for generating first grading plant are delivered to
Second grading plant.
2. ore-dressing plant according to claim 1, which is characterized in that
The diameter of first discharge nozzle is greater than the diameter of second discharge nozzle.
3. ore-dressing plant according to claim 1, which is characterized in that further include:
Metering unit, the metering unit include the first metering unit and the second metering unit, the first metering unit setting
In the junction of first discharge nozzle and first grading plant, the second metering unit setting is in second discharging
The junction of pipe and first grading plant, for measuring the flow of underflow ore pulp.
4. ore-dressing plant according to claim 1, which is characterized in that further include:
Control valve, the control valve include the first control valve and the second control valve, and first control valve is arranged described first
The junction of discharge nozzle and first grading plant, for controlling being turned on or off for first discharge nozzle, described
The junction of second discharge nozzle and first grading plant is arranged in two control valves, for controlling second discharge nozzle
Be turned on or off.
5. ore-dressing plant according to any one of claims 1 to 4, which is characterized in that further include:
Return pipe, one end of the return pipe are connected to the second ore grinding device, and the other end is connected to the second classification dress
It sets, the pulp conveying for generating the second ore grinding device to second grading plant.
6. ore-dressing plant according to claim 5, which is characterized in that further include:
Flotation unit, the flotation unit are connected to second grading plant, generate for receiving second grading plant
Overflow pulp.
7. ore-dressing plant according to claim 6, which is characterized in that
The ore grinding device is ball mill.
8. ore-dressing plant according to claim 6, which is characterized in that
First grading plant and second grading plant are cyclone.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622197A (en) * | 2019-01-31 | 2019-04-16 | 阿勒泰正元国际矿业有限公司 | A kind of beneficiation method and device of gold raw ore |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622197A (en) * | 2019-01-31 | 2019-04-16 | 阿勒泰正元国际矿业有限公司 | A kind of beneficiation method and device of gold raw ore |
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