CN207554046U - Lateritic nickel ore hydraulic mining system - Google Patents
Lateritic nickel ore hydraulic mining system Download PDFInfo
- Publication number
- CN207554046U CN207554046U CN201721312363.4U CN201721312363U CN207554046U CN 207554046 U CN207554046 U CN 207554046U CN 201721312363 U CN201721312363 U CN 201721312363U CN 207554046 U CN207554046 U CN 207554046U
- Authority
- CN
- China
- Prior art keywords
- ore
- lateritic nickel
- nickel ore
- pulp
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The utility model discloses lateritic nickel ore hydraulic mining system, including：Multiple workbenches, the multiple workbench are arranged on the earth's surface in lateritic nickel ore exploitation place；Multiple hydraulic giants, each hydraulic giant are correspondingly arranged on a workbench；Groove, the groove are formed in the earth's surface in the lateritic nickel ore exploitation place and extend on the gradient direction in lateritic nickel ore exploitation place；Pulp pump, the Pulp pump are arranged on the end of the pulp conveying pipeline；Ore pulp exclusion device, the ore pulp exclusion device are connected with the Pulp pump.The system has the advantages that investment is small, quick, at low cost, dust is small, exploitation gained ore pulp impurity is low etc. by using hydraulic mining lateritic nickel ore.
Description
Technical field
The utility model is related to field of mining, specifically, the utility model is related to lateritic nickel ore hydraulic mining systems.
Background technology
Ramu mining areas are located on the Marum basement rock bands in central and north area of Papua New Guinea, areal geology complexity one
As, the master stratum of exposure is Miocene two groups of stratum：One is to be distributed in northern and south hypersthene gabbro；One is
The ultrabasic rock at middle part is distributed in, including fresh dunite, serpentinite, pyroxenite.The entire exploitation license of dunite covering
Range, be it is main control ore-rock stone, ore bed average thickness 15m, maximum gauge reach 59m.
By ore district hydrogeologic conditionality, mechanical mining methods technical characterstic in the actual production of mine does not protrude.It is special
It is not as stope expands extension outward, car-haul distance increasingly increases, and gradually soaring trend is presented in mining cost.
Therefore, the means of existing exploitation lateritic nickel ore still have much room for improvement.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose lateritic nickel ore hydraulic mining system with a novel purpose.The system by using hydraulic mining lateritic nickel ore,
There is investment is small, quick, at low cost, dust is small, exploitation gained ore pulp impurity is low etc..
In the one side of the utility model, the utility model proposes a kind of lateritic nickel ore hydraulic mining systems.According to
The embodiment of the utility model, the system include：Multiple workbenches, the multiple workbench are arranged on lateritic nickel ore exploitation
The earth's surface in place；Multiple hydraulic giants, each hydraulic giant are correspondingly arranged on a workbench；Groove, the ditch flute profile
Extend into the earth's surface in lateritic nickel ore exploitation place and on the gradient direction in lateritic nickel ore exploitation place；Slurry
Pump, the Pulp pump are arranged on the end of the pulp conveying pipeline；Ore pulp exclusion device, the ore pulp exclusion device with it is described
Pulp pump is connected.
As a result, according to the lateritic nickel ore hydraulic mining system of the utility model embodiment by exploiting place in lateritic nickel ore
It arranges multiple workbenches, and hydraulic giant is set on workbench, so as to which punching is adopted lateritic nickel ore using hydraulic giant, punching is adopted
To ore pulp conveyed through groove, follow-up ore pulp is further supplied into ore pulp exclusion device by Pulp pump and cleaned,
It is purified ore pulp.The system can replace the traditional mining modes technique such as existing machine instruction statement mining and washup pulping, pass through hydraulic giant pressure
Power cuts ore body, realizes live rapid slurry producing and further cleans, and with respect to having with the prior art, investment is small, takes effect
Soon, it is at low cost, dust is small, the exploitation gained advantages such as ore pulp impurity is low.
Optional, the multiple workbench moves towards distribution along the gradient in lateritic nickel ore exploitation place.
Optional, the lateritic nickel ore hydraulic mining system further comprises：Hydraulic giant stent is arranged between the hydraulic giant
On the workbench.
Optional, the gradient in the lateritic nickel ore exploitation place is 0~30 degree, at least two institutes in adjacent level height
The difference in height stated between workbench is not more than 10m.
Optional, the lateritic nickel ore hydraulic mining system further comprises：Multiple connected setting pulp conveying pipelines, institute
State the setting of pulp conveying pipeline in the trench.
Optional, it is connected between multiple pulp conveying pipelines optionally by ore slurry pump.
Optional, the groove has bending part, and the corner of the bending part is not more than 120 degree.
Optional, the bending radius of the bending part is at least 20 times of the bending part bottom of trench width.
Optional, there is sieve in the ore pulp exclusion device.
Optional, the lateritic nickel ore hydraulic mining system further comprises：Excavator, the excavator are arranged on described
On lateritic nickel ore exploitation place.Thus, it is possible to be stirred using excavator, casting, stone is shifted by excavator, stirs heavily fortified point
Hard ore body, so as to further improve monitor efficiency and ore recovery rate.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment
Become apparent and be readily appreciated that, wherein：
Fig. 1 is the lateritic nickel ore hydraulic mining system structure diagram according to one embodiment of the utility model；
Fig. 2 is the lateritic nickel ore hydraulic mining longitudinal efflux method schematic diagram according to the utility model one embodiment；
Fig. 3 is the lateritic nickel ore hydraulic mining contrary efflux method schematic diagram according to the utility model one embodiment；
Fig. 4 is the lateritic nickel ore hydraulic mining trench development method schematic diagram according to the utility model one embodiment；
Fig. 5 is the lateritic nickel ore hydraulic mining contrary efflux method schematic diagram according to the utility model further embodiment；
Fig. 6 is the lateritic nickel ore hydraulic mining longitudinal efflux method schematic diagram according to the utility model further embodiment；
Fig. 7 is laterally to rush mining method schematic diagram according to the lateritic nickel ore hydraulic mining of the utility model one embodiment；
Fig. 8 is the lateritic nickel ore fine ore layer hydraulic mining method schematic diagram according to the utility model one embodiment；
Fig. 9 is lateritic nickel ore hydraulic mining containing the gravel bed method schematic diagram according to the utility model one embodiment；
Figure 10 is the lateritic nickel ore hydraulic mining casting operation layout figure according to the utility model one embodiment；
Figure 11 is the lateritic nickel ore hydraulic mining longitudinal efflux method schematic diagram according to another embodiment of the utility model；
Figure 12 is the lateritic nickel ore hydraulic mining contrary efflux method schematic diagram according to another embodiment of the utility model；
Figure 13 is laterally to rush mining method schematic diagram according to the lateritic nickel ore hydraulic mining of the utility model another embodiment.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that the utility model
Limitation.Particular technique or condition are not specified in embodiment, according to the described technology of document in the art or condition or
Person carries out according to product description.Reagents or instruments used without specified manufacturer, being can be by the normal of acquisition purchased in market
Advise product.
In the description of the present invention, it is to be appreciated that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " are based on shown in the drawings
Orientation or position relationship are for only for ease of description the utility model and simplify description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the utility model
Limitation.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature." multiple " are meant that at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature right over second feature or oblique upper or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is fisrt feature immediately below second feature or obliquely downward or is merely representative of fisrt feature level height less than second feature.
In the one side of the utility model, the utility model proposes a kind of lateritic nickel ore hydraulic mining systems.According to
The embodiment of the utility model, with reference to figure 1, which includes：Multiple workbenches, multiple hydraulic giants, groove, Pulp pump and ore deposit
Starch exclusion device.
Embodiment according to the present utility model, multiple workbenches are arranged on the earth's surface in lateritic nickel ore exploitation place.According to
Specific embodiment of the utility model, the gradient that multiple workbenches can exploit place along lateritic nickel ore moves towards distribution, at this
In some embodiments of utility model, workbench can be withdrawn along exploitation place to parallel division.
Specific embodiment according to the present utility model, the gradient in lateritic nickel ore exploitation place is 0~30 degree, according to live ore deposit
Body preservation situation and hydraulic giant technical parameter and safety condition, be connected level height at least two workbenches between height
Degree difference is not more than 10m.
Specific embodiment according to the present utility model, the lateritic nickel ore hydraulic mining system of the utility model can also be into one
Step includes：Hydraulic giant stent, the hydraulic giant stent are arranged on workbench, are used to support hydraulic giant.
Embodiment according to the present utility model, each hydraulic giant can be correspondingly arranged on a workbench, and using water
Rifle punching adopts massif containing gravel bed.Water jets under high pressure is injected in native rock by using hydraulic giant, native rock cohesive force can be reduced, reduce friction
Power, and then make mineral slump under the effect of gravity, form ore pulp.
Embodiment according to the present utility model, groove are formed in the earth's surface in the lateritic nickel ore exploitation place and described red
Extend on the gradient direction in native Nickel ore mining place.Specifically, it must assure that the gradient of completely each stage groove is more than ore pulp
The critical biharmonic equations of flowing fill out excavation workload to reduce, and groove should be as far as possible straight line, avoid bending part excessive, from
And it is transported convenient for ore pulp.
Specific embodiment according to the present utility model, groove have bending part, and the corner of bending part is not more than 120
Degree；Specific embodiment according to the present utility model, the bending radius of bending part are at least 20 times of crooked position bottom of trench width,
Preferably, groove corner is preferably formed with the drop of 1m, it is possible thereby to which sandstone deposition in ore pulp is further prevented to block.
Specific embodiment according to the present utility model, the lateritic nickel ore hydraulic mining system of the utility model further comprise
Multiple connected setting pulp conveying pipelines, pulp conveying pipeline is set in the trench, for gravity flow is made full use of to transport, in landform item
Part limitation makes, and gravity line may be used as pulp conveying pipeline.
Specific embodiment according to the present utility model, can be optionally by ore slurry pump phase between multiple pulp conveying pipelines
Even.Specifically, consider the factors such as transport of materials is convenient, easy for construction, easy to maintenance, it should be as few as possible in pulp conveying
Setting auxiliary ore slurry pump between pipeline.
A specific embodiment according to the present utility model, during monitoring, the pulp density produced is not
Stablize, easy rapid precipitation causes ore slurry pump difficulty of transportation, can make ore pulp for fortune by being stirred to ore pulp at this time
Dynamic state, in order to which follow-up Pulp pump recycles ore pulp.
Embodiment according to the present utility model, Pulp pump are arranged on the end of pulp conveying pipeline, and suitable for ore pulp is defeated
It send in the ore pulp forced feed to follow-up ore pulp exclusion device in pipeline.
Embodiment according to the present utility model, ore pulp exclusion device are connected with Pulp pump, and suitable for cleaning to ore pulp
Processing.Specifically, live pulping inevitably makes to be mixed with the sundries such as branch, rubble and unbroken laterite mud in ore pulp
Group.Specific embodiment according to the present utility model is had sieve in ore pulp exclusion device, ore pulp can be carried out using sieve
It filters, the walk in centralized collection ore pulp detaches larger branch, sundries to carry out second-time breakage, eventually by vibration
Qualified ore pulp is prepared in sieve processing.
Specific embodiment according to the present utility model, the lateritic nickel ore hydraulic mining system of the utility model can also be into one
Step includes：Excavator, the excavator are arranged on lateritic nickel ore exploitation place.As a result, when exploit place stone it is more when, can be with
It is stirred using excavator, casting, shifts stone by excavator, stir hard ore body, so as to further improve hydraulic giant effect
Rate and ore recovery rate.
As a result, according to the lateritic nickel ore hydraulic mining system of the utility model embodiment by exploiting place in lateritic nickel ore
It arranges multiple workbenches, and hydraulic giant is set on workbench, so as to which punching is adopted lateritic nickel ore using hydraulic giant, punching is adopted
To ore pulp conveyed through groove or pulp conveying pipeline, follow-up ore pulp further by Pulp pump supply to ore pulp clean
It cleans in device, is purified ore pulp.The system can replace the traditional mining modes such as existing machine instruction statement mining and washup pulping
Technique cuts ore body by hydraulic giant pressure, realizes live rapid slurry producing and further clean, opposite to have with the prior art
There are the advantages such as investment is small, quick, at low cost, dust is small, exploitation gained ore pulp impurity is low.
In order to facilitate understanding, implement below with reference to the lateritic nickel ore hydraulic mining system of the utility model embodiment of Fig. 2~13
The method of hydraulic mining lateritic nickel ore is described in detail：
1st, mine geology is summarized
Papua New Guinea is located at according to the lateritic nickel ore hydraulic mining system item construction of the utility model embodiment
Ma Dang province Kurumbukari (BKB) area mines Pit12 stopes are distributed in KBK south, high between height above sea level+820 to+720m
Difference is relatively large, and for the gradient between 15~30 degree, stope exploratory grid ratio reaches 50m × 50m, meets the requirement of productive prospecting, ore body
Preservation thickness is between 0~20m.
2nd, water source
Mining area water source supplies water mainly by external river, and selection is in the intersection in three local rivers, rainy season water at water intaking
Amount is sufficient, and dry season most period of drought can only maintain normally to produce reluctantly.In order to ensure the abundance of water supply, existing design improvement return water
System reuses the waste water of mine pulping process link, reduces the outer row waste of waste water, alleviates water system significantly
Pressure.
2.1st, hydraulic mining water consumption calculates
Calculate by scene, Ni grade 1.1wt%, pulp density is needed in 13~15wt% or so, often production 1t nickel
500m3Clear water, according to the design scale of hydraulic mining, hydraulic mining at least ensures 15000m daily3Clear water could meet single adopt
, if increasing production scale needs more clear water.
3rd, power supply and scheme of electric power
It hydraulic mining early period, is constrained by orebody occurrence, mining time is shorter, and selection early period mobile generator supplies
Electricity meets pressurized freshwater pump, ore slurry pump and other electrical equipments, and later stage external high voltage power supply, high-voltage line connects nearest with scene
Electric wire tower position can meet all electricity consumption facilities of surface plant.
4th, stope is drawn a circle to approve
Stope is to be configured to boundary with mountain relief.Vertical view is looked, and stope is a big massif, utilizes original landforms spy
Sign divides stope, using mountain valley as boundary.
4.1st, first section boundary
First exploiting field productive limit, according to the characteristics of orebody occurrence, hydraulic mining technique, features of terrain, delineation head is adopted
Area boundary.
4.2nd, exploiting field divides
Stope region division mainly divides 2 regions：First exploiting field domain and standby exploiting field domain.In order to ensure the sustainable of hydraulic mining
Development, it is necessary in accordance with division region principle：
First, topography and geomorphology meets hydraulic mining technical conditions；
Second is that orebody occurrence will meet technology requirement；
Third, having to comply with existing equipment limit of power, it can ensure that equipment normally effectively operates.
5th, mining sequence
Mining sequence is：First exploiting field → standby exploiting field.First exploiting field is divided into as can exploiting field and clearing zone.Since hydraulic mining produces
Prepare that link is more, and the Operational preparation period is longer, first exploiting field divide can exploiting field and cleaning area in preparation, primarily to preferably contracting
The short Operational preparation time.
6th, the selection of recovery scheme
6.1st, longitudinal efflux (along adopt, under adopt)
With reference to figure 2, prolong massif and be laid with clear water pipeline to top, working face prolongs massif and moves towards arrangement, pushed away from mountain top to mountain bottom
Into (exploiting from top to bottom), ore pulp prolongs working face flow direction collection stock tank.
Advantage：
(1) clear water pipeline service time is long, can exploit massif both sides ore body, effectively reduces pipeline shifting and sets number；
(2) it is safer to be parallel to the downward operation of massif for hydraulic giant water column；
(3) it is fast to occur goaf speed at the top of, facilitates placement barren rock, reduces barren rock and stir again.
Shortcoming：
(1) preliminary preparation amount is big；
(2) excavator rolls over goods from bottom to top, and efficiency of excavator plays relatively reduced.
6.2nd, contrary efflux (inverse adopt, on adopt)
With reference to figure 3, prolong massif bottom and be laid with clear water pipeline, working face prolongs massif and moves towards arrangement, promoted from mountain bottom to mountain top
(exploiting from bottom to top).Ore pulp prolongs bottom intercepting ditch flow direction collection stock tank.
Advantage：
(1) preliminary preparation amount is small；
(2) excavator folding goods from top to bottom, improves the efficiency of excavator.
Shortcoming：
(1) it is constrained by field condition, pipeline shifting sets number increase；
(2) since the massif gradient is larger, the increase of the hydraulic giant water column elevation angle increases operation difficulty.
6.3rd, trench development method
With reference to figure 4, applicable elements：There are enough inclinations in mineral deposit, can realize gravity flow；And the driving height of moat ditch route is about
Within 3m, excavation work amount is little.
Advantage：Construction time is short；Production is reliable；Small investment；Water power energy consumption is small；It is at low cost.
Shortcoming：Lower portions are unable to back production；It needs to be assisted with Ji Keng；The remaining ore due to the workbench gradient needs
Carry out second working.
Cutting can be carried out with hand-held hydraulic giant, this method be commonly used in inclination angle arrive mineral greatly can be by conducting oneself with dignity and borrowing
In the mineral deposit for helping flow and far walking.It encounters and is loosened in advance using ore containing the more and hard ore body of gravel, so that hydraulic giant rushes
It adopts, reduces water power consumption, improve monitor efficiency, ensure pulp density.
Note：Label 1 represents hydraulic giant in Fig. 4, and 2 represent groove, and 3 represent hydraulic giant pressurized water supply hose, and 4 represent that monitoring is made
Industry face.
7th, the selection of mining method is rushed
It is various to rush mining method and applicable elements and advantage and disadvantage are as shown in table 1：
Table 1
Note：In Fig. 5~7,1 represents hydraulic giant, and 2 represent groove, and 3 represent hydraulic giant pressurized water supply hose.
8th, method is loosened
8.1st, hydraulic pressure loosens
It is injected in native rock with water jets under high pressure, reduces cohesive force, reduced frictional force, reach mineral and collapse under the effect of gravity
It falls.
8.2nd, excavator stir, casting
Hard ore body is stirred by excavator transfer stone, improves monitor efficiency and ore recovery rate.
9th, mode is removed
KBK mining areas belong to tropical rainy climate, and luxuriant growth, the forest is dense, with a varied topography, and stripping difficulty is larger；
The first working procedure of mine stripping is lumbering work, including trees cleanings all in the range of boundary.
Lumbering mode divides mechanical equipment lumbering and the lumbering of artificial troop, bull-dozer and excavator coordinating operation.
Overburden divides fertile soil and red limonite.
Fertile soil：Landform flat place is arranged mainly by earth mover heap, and the precipitous place of landform is got rid of by excavator pushes away stripping, stockpiling
Fertile soil is mainly used for goaf and reclaims.
Limonite：Using hydraulic backhoe and monobucket truck discontinuous stripping technology, material is mostly outer to be discharged to basement rock
Area (goaf) reclaims for stope and prepares, and small part is stacked temporarily outside boundary.
Produced on-site tissue, mainly according to orographic condition, flexible blending equipment；Hydraulic mining stripping requirement is stringenter,
Should coincidence boundary grade requirement, meet the requirement of impurity A l again；It avoids removing again due to the unqualified appearance of index,
Once hydraulic mining forms scale, repeat to remove difficulty increase, preparatory condition is also more complicated, so hydraulic mining stripping will
Seeking Truth is disposably removed in place.
10th, mining type
Prolong and clear water pipeline is laid at the top of massif, working face moves towards arrangement with massif；It tilts and divides working face, face height
Control (determines face height) within 10m according to practical condition, and ore pulp prolongs working face flow direction collection stock tank, and (bottom, which is set, to be cut
Ditch).
10.1st, fine ore is exploited
With reference to figure 8, prolong massif and move towards arrangement working face, prolong mountain top and promoted to mountain bottom, it can according to landform in production engineering
Flexibly to select suitable angle, powder collecting ore deposit is rushed in process of production and does not need to other equipment less important work under normal circumstances, it can
It is adopted with direct punching.
Fine ore layer is located at earth's surface, and 1~20m of general thickness, less containing gravel, using pressurizeing, hydraulic giant directly punching is adopted, and vertically and is inclined
Oblique face preparation, it is at an acute angle with working face, improve hydraulic giant production efficiency.
10.2nd, it is exploited containing gravel bed
It is upper containing gravel and lower containing gravel containing gravel bed point with reference to figure 9, between there are some excessive contacts to indicate eluvial variation.
For eluvium containing gravel by peridotite gravel and the material composition identical with eluvium structure, the fluctuating of the level and landform is inconsistent.
The difficulty containing gravel bed exploitation is bigger than powder coal mining difficulty, as the increase gravel of mining depth increases, topography variation
It increases, exploitation difficulty also accordingly increases.It being tilted containing gravel bed and divides working face, vertical massif moves towards parallel propulsioning face, according to
Rock preservation situation is adjusted flexibly punching and adopts angle.
The distribution block stone containing gravel bed (peridotite) is more, and size distribution is uneven, stone protection ore body during monitoring operation,
It is larger that difficulty is adopted in punching, it is necessary to have excavator mate-assist operation, stir stone and be transferred to goaf.
11st, hydraulic mining working face mining mode
11.1st, casting operating type
With reference to figure 10, this mode is suitble to the flatter place of topography, needs sufficient time advance preparation face, production
Time is long, increases the production cycle, shortens mining time, and punching can rapidly improve pulp density during adopting, carry
High efficiency.
11.2nd, mining type is adopted under hydraulic giant
With reference to figure 11, processing safety can be effectively improved using this recovery method, before being adopted with the rear shifting punching of hydraulic giant
The ore body of side is realized and is cut with working face acute angle.And the number for setting and can reducing and building hydraulic giant platform is retired after hydraulic giant.
When rushing mining amount and cannot meet, shifting sets hydraulic giant position, because monitoring range is usually arc-shaped, limit of mining
It is limited, it is impossible to which that parallel face preparation, there are peak abutments at limit of mining edge, often lead to shifting and set the raising of route cost.
11.3rd, mining type is adopted on hydraulic giant
With reference to figure 12, this mode is exploited is cut using hydraulic giant pressure and working face front, is realized that ore body caves in, is crushed ore deposit
Body.
11.4th, mining type is adopted in hydraulic giant side punching
With reference to figure 13, perpendicular to orebody strike, transverse cuts ore body is adopted around massif is horizontal, using this mining type, is contained
Gravel casting space is big, and preparation face is short, must equipment less important work during exploitation.
12nd, the selection of hydrotransport groove circuit
It must assure that the gradient of completely each stage groove is more than the critical biharmonic equations of ore body flowing；It should make to fill out excavation and cart-away
Amount is minimum；Raceway groove should be as far as possible straight line, avoid meanders excessive, circuit corner is generally less than 120 degree, and groove corner is most
There is the drop of 1m well, deposit and block to prevent sandstone, sweep should be greater than 20 times of bottom of trench width；Transport of materials should be met just
Condition sharp, easy for construction, easy to maintenance；Transport pulp gravity flow as far as possible, few auxiliary mortar pump；In order to make full use of certainly
When orographic condition limits, gravity line may be selected in stream transport.
12.1st, gravity flow transport
Orographic condition suitable for when, should as possible using gravity flow transport.Gravity flow transport is divided into groove and pipeline two ways.
Gravity flow transport condition on probation：
In formula,
H1, working stage elevation of bottom, m；
H2, slime dam elevation of top, m；
L, the length of groove circuit, m；
I transports the gradient needed for ore pulp.
For trench section shape preferably wetted perimeter reckling, the wetted perimeter of semi-circular grooves is minimum, but is difficult to make, therefore in producing
Using rectangle and trapezoidal cross-section.
Farther out, transportation range is up to hundreds of meters scene gravity flow transportation range, and general gradient selection can be effective at 2~5 degree
Ground undertakes hydrotransport task.
13rd, production technique parameter
Minimum range of the hydraulic giant away from working face, mainly determines according to the safety condition of personnel and equipment, i.e., is fallen in native rockfall
When it is not injured, can be calculated as follows according to the difference of soil property：
L=β H
In formula,
The distance of l, hydraulic giant and working face, m
H, level interval (determine) according to the thickness of ore body, m；
β, coefficient, value is related with native lithology matter, when accompany stone it is more when, value is bigger；For example, sand paper clay β=
0.6~0.8, soil β=1.0；
Monitoring range can determine that lateritic nickel ore belongs to fine and close soil property, hydraulic giant punching according to the material and equipment of ore body
Range is adopted in 15~20m；
The working panel gradient is more than 2%；
0~10m of step height；
Side slope angle is more than 45 degree；
Relief road width at least ensures 4m；
Minimum range 5m (specific need according to mining type surely taken) of the hydraulic giant away from working face；
Intensity is adopted to improve punching, hydraulic giant is as close to working face.In recovery process, mining face is rushed constantly to being pushed forward
It moves, when more than the effective range of hydraulic giant, hydraulic giant must be moved to operative orientation, in order to which production is made not stop, working face setting
Spare hydraulic giant and it is standby adopt position, to meet production needs, ensure that ore pulp is uninterruptedly without interruption.
14th, walk processing method
When argillaceous walk is excessive in ore, hydraulic giant is difficult to the bulk walk broken up and flows or elapse along groove bottom of trench,
When pulp density is higher, walk the more rolls the more big, so that slowing down on groove slope or turning, deposition blocks, and difficulty is brought to construction.
Following method may be used and solve walk deposition blockage problem：
Method one
Pulp slurry canal terminal section, if fixed bar grizzl(e)y, is separated out walk, is rushed with small hydraulic giant broken.
Bar grizzl(e)y is mainly made of plansifter and slanted screen, and plansifter is arranged in parallel with groove, and bar grizzl(e)y is fallen with its underpart trench floor
Difference is not less than 0.5m, and the mounted angle of sieve is 20 degree, and sieve is about 2.5m；The other end right angle setting slanted screen of sieve.
Method two
Dig the scarfing cinder pond of 5 × 5 × 5m and with a set of mixing plant, scarfing cinder pond main function is to concentrate cleaning walk.
In testing at the scene, one effect of method is relatively good, crushes walk with normal pressure hydraulic giant, manufactures ore pulp, while can also
Play the role of being again stirring for ore pulp.
15th, the collection (collection stock tank) of ore pulp after cleaning
15.1st, collect the selection of stock tank
The selection of hydraulic mining Ji Jiangchi is related to service time and the direction of propulsion of entire stope.Choice set paddle pond must
Following principle must be taken into account：
A：The position that elevational point must be selected relatively low can increase mine reserves, effectively run extended services in this way；
B：According to ore body preservation, position is adopted in the advantageous punching that selection can meet current mining conditions；
C：Meet entire process system operating condition, meet other equipment job requirements.
15.2nd, collect the construction of stock tank
Ji Jiangchi is typically chosen self-built, steel reinforcing 14m × 3m × 3m, and size satisfaction drum moral temperature diving slurry pump uses item
Part.
16th, device type
The equipment of hydraulic mining is mainly concerned with pipeline (clear water and ore pulp), force (forcing) pump (clear water and ore pulp), rushes and adopt equipment
(conventional hydraulic giant, intelligent hydraulic giant), light pipeline, pulp conveying pump, diesel-driven generator, diesel oil multistage pressuring machine pump, excavate at illumination
The corollary equipments such as machine, bull-dozer.
16.1, diving slurry pump
Hydraulic mining process characteristic is exactly to realize manufacture ore pulp at the scene, reduces original washup process procedure, complete at the scene
It is cleared up into thick impurity, washup vibrating screen fine impurity removal is delivered to by Pulp pump.
Ore slurry pump type selecting is mostly important in transmission process, and since working environment is severe, fine impurities are more, also to test
The durability of equipment.By test of many times, Britain's import drum moral temperature (Goodwin) diving slurry pump is had finally chosen, from using
Effect is seen, can meet hydraulic mining production requirement completely.
According to on-site actual situations, solid particle degree is generally less than 40mm.Device parameter selects：Largest solid particle size
40mm；Maximum stream flow 800m3/h；Maximum slurry solid weight concentration 65wt%；H-Max 40m.
16.2nd, ore pulp force (forcing) pump (ore slurry pump)
Ore pulp force (forcing) pump is mainly used for relative relief and long-distance sand transport task, by geological condition constraints, it is necessary to select energy
Meet hilly country, the ore pulp force (forcing) pump for the working conditions such as with a varied topography, haul distance continues to increase.
Domestic ore pulp force (forcing) pump technology maturation, it is sturdy and durable, transfer ore pulp task can be born.
16.3, pressurized freshwater pump
Hydraulic mining is applied in hilly country, needs high-power pressurized freshwater pump that clear water is delivered to mountain top from bottom water source
To meet hydraulic mining water demand.Select horizontal pressurized freshwater pump stability high, more economically；Clear water multistage pressuring machine pump bavin
Oil turbine offer energy, conveniently moving, flexibly.
16.4, hydraulic giant
In experimental stage, the hydraulic giant of the utility model is using fire-fighting lance, and fire-fighting lance is simple in structure, operation side
Just, effect is general in use, and important technological parameters can meet production needs substantially, but move in process of production set it is numerous
It is trivial, need ancillary equipment.Later stage, hydraulic giant use inventor and Hua Photars Co., Ltd joint research and development intelligence hydraulic giant, can be effective
Improvement operating environment, improve punching adopt efficiency.
Mating ore slurry pipeline and water pipe, it is necessary to have the following conditions：
A, to ensure during high pressure long-distance sand transport safe and reliable；
B, it is limited by execution conditions, use environment is severe, often movement, resettlement, dragging, pipeline intensity will ensure heavily fortified point
Solid, it is reliable；
C, operating location complex geologic conditions, in moving process mostly based on artificial, pipeline has to light, installation letter
It is single.
16.5th, other ancillary equipments
As continuous punching is adopted, gravel, which increases, will cause punching to adopt efficiency decline, influence lower part ore extraction, need at this time by
Stone is stirred in hydraulic backhoe cleaning, and ore is made to be exposed to appearance, is adopted in order to rush.
Hydraulic backhoe type selecting should not be too large, also unsuitable less than normal.Excavator is for a long time to stir based on rock climbing, row
Walking system is easily damaged, it is proposed that the selection reinforced excavator of running gear.
To sum up, the example of lateritic nickel ore hydraulic mining system equipment is as shown in table 2：
Table 2
17th, with ore deposit principle
Rational exploitation provides the principle that ore pulp up to standard is hydraulic mining for subsequent handling：
1) ore pulp quality.Ore pulp supply requires stable quality, continuous, up to standard；
2) resource is stablized.Resource stabilization and sustainability are capable of the economical operation of effective guarantee subsequent handling.
17.1st, ore deposit is integrally matched in mine
, mainly according to existing bore database and scene chemical examination sample data, Ore blending is organized with ore deposit in KBK mines.It is with ore deposit
The key instruction of per tour organization of production, to ore pulp, uninterrupted sample examination, Comparative result match ore deposit planning data, hair in production process
The undesirable timely adjustment of existing index；Administrative staff and technical staff track produced on-site situation at any time, effectively control mine slurry grade.
17.2nd, ore deposit is matched in hydraulic mining
Ni and the fluctuation of impurity element grade are big in recovery process, can influence ore pulp quality.Therefore, hydraulic mining has to comply with
Principle with ore deposit, reduces grade fluctuation as far as possible, and scene will rush according to geological information reasonable arrangement and adopt position.Due to lateritic nickel ore
Each layer of each element grade is different, and exploitation layered collocation avoids a certain item index not up to standard, under normal circumstances every 2 powder
Ore deposit rushes sampling site and must arrange in pairs or groups there are one sampling site is rushed containing gravel, and increase and decrease adjustment is specifically done according to result of laboratory test.
Exploitation containing gravel bed and fine ore layer in production is reasonably combined, since two kinds of ore bed features are different, recovery method
It is different.Fine ore layer can directly be rushed using hydraulic giant and be adopted, and depletion rate is very fast, and the exploitation containing gravel bed needs excavator continuously to assist making
Industry.Rush mining height grade amount containing gravel bed number, whole Grade change is influenced it is very big, so in process of production should be balanced
Mining progress ensures the qualified ore pulp of manufacture again.
18th, production capacity determines principle
Ramu mining areas lateritic nickel ore is with a varied topography, belongs to typical hilly country, increases difficulty to hydraulic mining, simultaneously
Production scale size is limited to, each hydraulic mining setting production scale and production seeervice cycle, the size depending on hills
With massif ore preservation how much.According to the overall needs of production, how much hydraulic mining rationally will determine yield.
18.1st, production-scale basic principle is designed
1st, water resource must be sufficient；
2nd, prospective ore amount is more, and occurrence condition is good.It is (minimum to ensure continuous life that hydraulic mining disposable service time, the longer the better
Production 3 months or more).
The selection of production capacity size, to consider mine resources entirety occurrence condition, mining environment, equipment technology
Condition.
18.2nd, Ramu mines hydraulic mining ability
One hydraulic mining point produces 2t nickel metal to realization per born in the experiment by 2 years, production capacity from daily
20t nickel metal large-scale productions are produced, production capacity improves 10 times.
By test of many times, capacity of equipment is constantly adjusted, production capacity is made constantly to be promoted.But production capacity is bigger, by
The restriction of field condition is bigger, and organization of production is difficult；Production capacity is too small, it is impossible to device efficiency is effectively played, hydraulic mining
Advantage cannot well embody, deficiency in economic performance.Consider, finally choose each sampling site production capacity as 20t/d nickel metals.
After lateritic nickel ore hydraulic mining system steps into large-scale production, by monthly output cost accounting, hydraulic mining work
Skill compares traditional monobucket-truck discontinuous production practice, often produces one ton of metallic nickel, and cost of winning reduces about 165 dollars.And with
The increase of ore pulp haul distance, the effect that hydraulic mining reduces cost will become apparent from.
In process of production, by the analysis and research to impurity content data, hydraulic mining impurity Mg grades are than tradition
Cylinder concentration low 1.5%.Main cause is during hydraulic mining, and readily soluble Mg enters liquid phase, is made in ore pulp solid phase
Mg be lower.
19th, the difference of the lateritic nickel ore hydraulic mining system of the utility model embodiment and traditional mining mode technique
Traditional mining mode technique is monobucket-truck batch process.Traditional mining technology flexibility is strong, according to field condition
Difference can arbitrarily allocate；Initial stage, disposably input was big, and post facility maintenance cost is high.
Hydraulic mining is continuous processing.Winning apparatus is simple, and initial stage input, later maintenance will be lacked compared to traditional mining mode.
Hydraulic mining with traditional mining mode process maximum difference lies in realize by conventionally employed mechanical mining-washup system
Pulping, hydraulic mining are using hydraulic pressure punching mining body, realize pulping at the punching scene of adopting, save washup process procedure；Transport
Mode is different, and hydraulic mining uses Pulp pump, and pipeline mode, conveying capacity is big, and fed distance is more remote, and economic benefit is got over
It is good.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments "
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It combines in an appropriate manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the different embodiments or examples described in this specification and the feature of different embodiments or examples into
Row combines and combination.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it is impossible to be construed as a limitation of the present invention, those of ordinary skill in the art are in the scope of the utility model
It is interior to make changes, modifications, substitutions and variations to the above described embodiments.
Claims (9)
1. a kind of lateritic nickel ore hydraulic mining system, which is characterized in that including：
Multiple workbenches, the multiple workbench are arranged on the earth's surface in lateritic nickel ore exploitation place；
Multiple hydraulic giants, each hydraulic giant are correspondingly arranged on a workbench；
Groove, the groove are formed in the earth's surface in the lateritic nickel ore exploitation place and on the slopes in lateritic nickel ore exploitation place
Degree side upwardly extends；
The pulp conveying pipeline of multiple connected settings, the pulp conveying pipeline setting is in the trench；
Pulp pump, the Pulp pump are arranged on the end of the pulp conveying pipeline；
Ore pulp exclusion device, the ore pulp exclusion device are connected with the Pulp pump.
2. lateritic nickel ore hydraulic mining system according to claim 1, which is characterized in that the multiple workbench is along institute
The gradient for stating lateritic nickel ore exploitation place moves towards distribution.
3. lateritic nickel ore hydraulic mining system according to claim 1, which is characterized in that further comprise：
Hydraulic giant stent, the hydraulic giant stent are arranged on the workbench.
4. lateritic nickel ore hydraulic mining system according to claim 1, which is characterized in that the lateritic nickel ore exploits place
The gradient for 0~30 degree, the difference in height between at least two workbenches in adjacent level height is no more than 10m.
5. lateritic nickel ore hydraulic mining system according to claim 1, which is characterized in that multiple pulp conveying pipelines
Between be connected optionally by ore slurry pump.
6. lateritic nickel ore hydraulic mining system according to claim 1, which is characterized in that the groove has bending part
Position, and the corner of the bending part is not more than 120 degree.
7. lateritic nickel ore hydraulic mining system according to claim 6, which is characterized in that the bending of the bending part half
Diameter is at least 20 times of the bending part bottom of trench width.
8. lateritic nickel ore hydraulic mining system according to claim 1, which is characterized in that have in the ore pulp exclusion device
There is sieve.
9. lateritic nickel ore hydraulic mining system according to claim 1, which is characterized in that further comprise：Excavator, institute
Excavator is stated to be arranged on the lateritic nickel ore exploitation place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721312363.4U CN207554046U (en) | 2017-10-11 | 2017-10-11 | Lateritic nickel ore hydraulic mining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721312363.4U CN207554046U (en) | 2017-10-11 | 2017-10-11 | Lateritic nickel ore hydraulic mining system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554046U true CN207554046U (en) | 2018-06-29 |
Family
ID=62673651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721312363.4U Active CN207554046U (en) | 2017-10-11 | 2017-10-11 | Lateritic nickel ore hydraulic mining system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554046U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983424A (en) * | 2021-02-03 | 2021-06-18 | 陕西华源矿业有限责任公司 | Hydraulic mining method based on soft broken argillaceous ore body |
| CN115108235A (en) * | 2022-08-29 | 2022-09-27 | 中铁工程服务有限公司 | Mine aggregate conveying system and conveying system laying method |
-
2017
- 2017-10-11 CN CN201721312363.4U patent/CN207554046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983424A (en) * | 2021-02-03 | 2021-06-18 | 陕西华源矿业有限责任公司 | Hydraulic mining method based on soft broken argillaceous ore body |
| CN115108235A (en) * | 2022-08-29 | 2022-09-27 | 中铁工程服务有限公司 | Mine aggregate conveying system and conveying system laying method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108060924B (en) | High-dipping multi-seams thin deposit mechanization combinations for mining methods | |
| CN102278115A (en) | High-efficiency safe environment-friendly mining method for rare shallow-buried ore layer in irregular strip-shaped distribution | |
| CN207554046U (en) | Lateritic nickel ore hydraulic mining system | |
| Zhang et al. | Integrated green mining technology of “coal mining-gangue washing-backfilling-strata control-system monitoring”—taking Tangshan Mine as a case study | |
| CN103603666B (en) | Tailing pond sand excavation method | |
| Golosinski | Mining in the New Millennium-Challenges and Opportunities | |
| Elbeblawi et al. | Surface Mining Technology | |
| CN103741742B (en) | Ditcher | |
| CN114278379B (en) | Tailing recovery method | |
| Rodovalho et al. | Sequential glory hole approach as a new mining method for sustainable operations | |
| Lawver et al. | New techniques in beneficiation of the Florida phosphates of the future | |
| Ali Elbeblawi et al. | Surface Mining Methods and Systems | |
| CN1080016A (en) | Verticle branching upword demix filling mining method | |
| Pearson | Mining zinc-rich massive sulphide deposits on Vancouver Island, British Columbia | |
| Gertsch et al. | Surface mine design and planning for lunar regolith production | |
| Min | Tin mining in Malaysia-is there any revival | |
| CN108716403B (en) | A kind of opencut grid type mining methods | |
| Gogolewska | Surface and underground mining technology | |
| Malhotra | Factors responsible for variation in productivity of Illinois coal mines | |
| Cehlár et al. | Cut winnings methods of an open-pit mine development | |
| Ivanov et al. | Technological peculiarities the development of watered sand deposits Leningrad region | |
| Carter | Fort Knox banks on a golden future | |
| Grainger et al. | How is Coal Won? | |
| Hrabik et al. | Economic Evaluation of Borehole and Conventional Mining Systems in Phosphate Deposits | |
| Malhotra et al. | Short term mine planning at Syncrude |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |