CN103464274B - Ore screening system and technology - Google Patents
Ore screening system and technology Download PDFInfo
- Publication number
- CN103464274B CN103464274B CN201310405716.5A CN201310405716A CN103464274B CN 103464274 B CN103464274 B CN 103464274B CN 201310405716 A CN201310405716 A CN 201310405716A CN 103464274 B CN103464274 B CN 103464274B
- Authority
- CN
- China
- Prior art keywords
- ore
- sedimentation basin
- sandstone separator
- auger
- screening
- 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
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
An ore screening system comprises a vibrating screen, a cleaning device, a sand stone separator, a settling pond and a water circulation system. The invention further provides an ore screening technology. The technology comprises the steps of cleaning raw ores while performing primary screening on the raw ores through the vibration screen to obtain cleaned ores with particle diameters larger than space among vibration screen strips and primary residues; performing secondary screening on the primary residues through the sand stone separator with space between an auger and a casing being smaller than the screen strip space of the vibrating screen to obtain coarse ores with particle diameters being between the space between the auger and the casing of the sand stone separator and the space among the vibration screen strips and secondary residues; subjecting the secondary residues to precipitation separation to obtain top clear water and bottom tertiary residues; subjecting the top clear water to circulation to the cleaning device for recycling. Compared with traditional methods, the ore screening technology has the advantages that impurities in the ores can be fully screened, and the waste water and waste discharge amount can be reduced.
Description
Technical field
The present invention relates to a kind of ore screening system and ore screening technique.
Background technology
Powdered whiting has that chemical purity is high, inertia is large, whiteness is high and the advantage such as good dispersion, is conventional inorganic filler, is widely used in field of papermaking at present.Powdered whiting is as calcite, marble, lime stone grind and form by natural carbonate mineral.In mining process, the normal forklift that adopts is got on the bus at present, cause sediment charge in ore very large, in addition ore is transported to the process of production scene after mining, need through the short intermediate link such as to refute of Automobile Transportation, shipping and automobile, in these transportations, mineral surface and ore particle are easily subject to the pollution of the impurity such as earth.In order to ensure the quality of back segment product, needing to carry out washing to ore, in the process of washing, the impurity such as useless silt being selected.
At present, mainly contain two kinds to the method for ore washing, the first is screened by vibratory sieve, and the method can remove the part barren rock bits in ore, but impurity such as the earth etc. sticking to mineral surface cannot be removed totally.The ore utilizing the method to screen can be affected through product quality that is broken, that grind out, and because being recycled containing impurity such as a large amount of silts in screening barren rock bits out, can only discard, scrap rate about 5%.The second adopts drum type ore-washing apparatus washing, the impurity that this method can utilize clear water to rinse mineral surface adheres to cleans up, but the direct waste emission of waste water that cleaning ore produces makes a large amount of water resources be wasted, and leave because ore is constantly taken up when rollers running, cause ore top layer to be stripped, considerably increase waste material, scrap rate can reach more than 10%, product yield is declined greatly, adds production cost.
Summary of the invention
In view of this, be necessary to provide a kind of and fully can screen out the ore screening system of discharge that impurity can reduce again waste water, waste material.
In addition, there is a need to provide a kind of ore screening technique adopting above-mentioned ore screening system.
A kind of ore screening system, it comprises
Used by oscillating screen is in carrying out elementary screening to raw ore;
Cleaning device is positioned at above vibratory sieve, for carrying out cleaning raw ore in the process of elementary screening to raw ore at described vibratory sieve, the impurity on raw ore surface is sticked to removing, cleaning the clean jig that complete particle diameter is greater than Vibration Screen stripe pitch elects for subsequent use, cleans complete waste water, broken ore that particle diameter is less than Vibration Screen stripe pitch and silt particle form elementary residue jointly;
Sandstone separator is positioned at below vibratory sieve, it comprises auger and housing, spacing between this auger and housing is less than the grating spacing of described vibratory sieve, described sandstone separator is used for carrying out postsearch screening to described elementary residue, to screen for subsequent use by the coarse grain ore deposit between the spacing of particle diameter between the auger and housing of sandstone separator and Vibration Screen stripe pitch from described elementary residue, all the other waste water, particle diameter are less than the secondary residue that the broken ore of the spacing between the auger of sandstone separator and housing and silt particle are formed jointly;
Sedimentation basin is positioned at sandstone separator downstream, for described secondary residue is carried out precipitate and separate with make described secondary residual product in described sedimentation basin layering to form three grades of residues of upper strata clear water and lower floor; And
Water circulation system connects described sedimentation basin and described cleaning device respectively, uses for the upper strata clear water in described sedimentation basin being circulated to described cleaning device.
A kind of ore screening technique, it comprises the steps:
Vibratory sieve is adopted to carry out elementary screening to raw ore, carry out in the process of elementary screening at described vibratory sieve to raw ore, raw ore is cleaned simultaneously, obtain particle diameter and be greater than the clean ore deposit of Vibration Screen stripe pitch and elementary residue, wherein, described elementary residue comprises the complete waste water of cleaning, particle diameter is less than Vibration Screen stripe pitch broken ore and silt particle;
The sandstone separator adopting the spacing between auger and housing to be less than the grating spacing of described vibratory sieve carries out postsearch screening to elementary residue, obtain coarse grain ore deposit and secondary residue, wherein, between spacing between the auger and housing of sandstone separator of the particle diameter in described coarse grain ore deposit and Vibration Screen stripe pitch, described secondary residue comprises waste water, particle diameter is less than the spacing between the auger of sandstone separator and housing broken ore and silt particle;
Described secondary residue is carried out precipitate and separate, to obtain upper strata clear water and to be positioned at three grades of residues under clear water layer;
Described upper strata clear water is circulated to described cleaning device to recycle.
Ore screening technique provided by the invention compared with prior art, have the following advantages: first, by square on the vibrating, cleaning device is set, and vibratory sieve and cleaning device simultaneously operating type sieve flushing raw ore, compare traditional raw ore directly in the mode of bolting impurity, raw ore of the present invention jumps while rolling on the compass screen surface of vibratory sieve, the impurity that each angular surface of raw ore adheres to can rinse out by flushing water that the cleaning device above vibratory sieve ejects fully, obtain purer ore, the powdered whiting product quality that the ore so filtered out produces significantly improves, second, the present invention is by again recycling the elementary residue separated from Vibration Screen through precipitate and separate, powdered whiting product is made as reclaimed from the isolated coarse grain ore deposit of sandstone separator, reclaim brickmaking from the isolated three grades of residues of sedimentation basin, so recycle and scrap rate is obviously reduced, 3rd, be recycled to cleaning device by the clear water of sedimentation basin sedimentation being separated out and use, compared with existing cleaning method directly by the mode of the direct waste emission of waste water of cleaning, effectively can reduce the discharge capacity of waste water, and isolated clear water reclaimed again be used as flushing water to clean raw ore, and this flushing water is through also can again recycle after precipitation again, so recycle the recovery utilization rate that can significantly improve waste water, greatly reduce the waste of water resource, meet advocating of current energy-saving and emission-reduction, decrease the production cost of enterprise simultaneously.
Accompanying drawing explanation
Fig. 1 is the ore screening system works schematic diagram of the embodiment of the present invention.
Main element symbol description
| Vibratory sieve | 10 |
| Cleaning device | 20 |
| Sandstone separator | 30 |
| Sedimentation basin | 40 |
| Water circulation system | 50 |
| Spray head | 23 |
| Water inlet end | 21 |
| Water side | 22 |
| Row's stone mouth | 31 |
| Waste discharge mouth | 32 |
| Charging aperture | 41 |
| Delivery port | 42 |
| Clear water transhipment pump | 51 |
| Clean ore deposit | 101 |
| Coarse grain ore deposit | 102 |
| Three grades of residues | 103 |
| Clear water | 104 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Refer to shown in Fig. 1, a kind of ore screening system that the embodiment of the present invention provides, its involving vibrations sieve 10, cleaning device 20, sandstone separator 30, sedimentation basin 40 and water circulation system 50.
Described vibratory sieve 10 is arranged on ore screening system entry place, for sieving the raw ore received.
Those skilled in the art are known, and vibratory sieve 10 is that answering of utilizing oscillator exciting to produce is revolved type vibration and work.The upper rotation weight of oscillator makes compass screen surface produce plane whirling vibration, lower rotation weight then makes compass screen surface produce conical surface rotary vibration, its symphyogenetic effect makes compass screen surface generation revolve type vibration again, the present invention utilizes vibratory sieve 10 compass screen surface to revolve type vibration again to carry out elementary screening to raw ore, is separated with the residue raw ore that particle diameter is less than vibratory sieve 10 grating spacing with primary dcreening operation ore deposit particle diameter being greater than vibratory sieve 10 grating spacing.
Preferably, the scope of the grating spacing of vibratory sieve 10 that the embodiment of the present invention provides is 5mm ~ 10mm.
Described cleaning device 20, is arranged at the top of described vibratory sieve 10, for carrying out cleaning raw ore in the process of elementary screening, to remove the impurity sticking to raw ore surface at described vibratory sieve 10 pairs of raw ores.
Described cleaning device 20 has water inlet end 21 and a water side 22, and the water side 22 of cleaning device 20 is connected with several spray heads 23 by pipeline.During work, cleaning device 20 is by connecting water source from water inlet end 21, and the raw ore on spray head 23 pairs of vibratory sieves 10 that the water at water source is connected by water side 22 carries out spray irrigation, rinses well with impurity such as the earth by raw ore surface adhesion.
Above-mentioned vibratory sieve 10 and cleaning device 20 operationally carry out simultaneously, and namely vibratory sieve 10 is while screening raw ore, and the spray head 23 jet douche water being arranged on the cleaning device 20 above vibratory sieve 10 rinses raw ore.By such mode, make raw ore jump on the compass screen surface of vibratory sieve 10 rolling while, the impurity that each angular surface of raw ore adheres to can rinse out by flushing water that the cleaning device 20 above vibratory sieve 10 ejects fully, obtain purer ore, the powdered whiting product quality that the ore so filtered out produces significantly improves.
Under the double action of described vibratory sieve 10 and cleaning device 20, can by raw ore screening for the complete particle diameter of cleaning be greater than the clean ore deposit 101 of the grating spacing of vibratory sieve 10 and elementary residue, wherein, described elementary residue includes the mixture such as silt particle, broken ore that waste water and particle diameter are less than the grating spacing of vibratory sieve 10.
Described sandstone separator 30 arranges the below being connected to vibratory sieve 10, accepts from the isolated elementary residue of vibratory sieve 10 and carries out postsearch screening to described elementary residue.
Described sandstone separator 30 refers under the impact of current, utilizes the equipment that certain sieving machine is separated mud, sandstone etc.Described sandstone separator 30 mainly comprises transmission mechanism, auger and housing, between the auger of wherein said sandstone separator 30 and housing, spacing is less than the grating spacing of described vibratory sieve 10, so that the coarse grain ore deposit 102 of particle diameter between the auger and housing of sandstone separator 30 between spacing and vibratory sieve 10 grating spacing is screened for subsequent use from described elementary residue, all the other materials become secondary residue and enter described sedimentation basin 40, wherein, described secondary residue includes the silt particle that waste water and particle diameter are less than spacing between the auger of sandstone separator 30 and housing, the mixtures such as broken ore.
Described sandstone separator 30 has waste discharge mouth 32 and row's stone mouth 31, and wherein, waste discharge mouth 32 is for discharging through the isolated secondary residue of sandstone separator 30, and row's stone mouth 31 is for discharging through the isolated coarse grain ore deposit 102 of sandstone separator 30.
Preferably, the spacing between the auger of sandstone separator 30 that provides of the embodiment of the present invention and housing is 1mm.
Described sedimentation basin 40 arranges the downstream being connected to sandstone separator 30, for carrying out precipitate and separate to described secondary residue, to make described secondary residual product, in described sedimentation basin 40, layering is to form three grades of residues 103 of upper strata clear water 104 and lower floor, and described three grades of residues 103 include the mixture such as silt particle, particulate ore deposit.
Described sedimentation basin 40 has two ports, and one end is charging aperture 41, and the other end is delivery port 42.Wherein, described charging aperture 41 is connected with the waste discharge mouth 32 of sandstone separator 30, accept from the isolated secondary residue of sandstone separator 30, described secondary residue carries out sedimentation layering to form three grades of residues 103 of upper strata clear water 104 and lower floor in described sedimentation basin 40.
Understandable, in order to the degree of purity of point isolated clear water 104 in sedimentation basin 40 can be improved, preferably, sedimentation basin 40 can be made multistage stepped-style.Specifically, sedimentation basin 40 can be divided into first stage precipitation tank, second-level settling pond, three grades of sedimentation basins, level Four sedimentation basin by that analogy, sedimentation basin at different levels is interconnected successively, and the degree of purity of the more clear water of progression of sedimentation basin is higher.When the isolated secondary residue of sandstone separator 30 is transported in first stage precipitation tank, after the first sedimentation of secondary residue, the waste water of separating out in first stage precipitation tank flows into second-level settling pond, waste water again sedimentation and enter three grades of sedimentation basins and level Four sedimentation basin successively and the like, finally isolate comparatively pure clear water 104.
Described water circulation system 50 connects described sedimentation basin 40 and described cleaning device 20 respectively, uses for the upper strata clear water 104 in described sedimentation basin 40 is circulated to described cleaning device 20.
The delivery port 42 of described sedimentation basin 40 other end is connected to form described water circulation system 50 with the water inlet end 21 of cleaning device 20 by pipeline, and the water inlet end 21 for isolated for sedimentation basin 40 points clear water 104 is recycled to cleaning device 20 does circulating flushing wash water and uses.
Further, be smoothly through water circulation system in order to the isolated clear water 104 of sedimentation basin 40 points can be allowed and be recycled to cleaning device 20, can transport pump 51 at the other clear water that is provided with of described sedimentation basin, isolated clear water 104 is delivered to cleaning device 20 for flushing raw ore by this clear water transhipment pump 51.
The connected mode of above-mentioned each device can adopt pipeline to connect, concrete, and vibratory sieve 10 is connected by pipeline with sandstone separator 30, sieves isolated elementary residue flow in sandstone separator 30 through piping by vibratory sieve 10; The waste discharge mouth 32 of sandstone separator 30 is connected by pipeline with the charging aperture 41 of sedimentation basin 40, by the isolated secondary residue of sandstone separator 30 by pipeline flow-direction sedimentation basin 40; The delivery port 42 of sedimentation basin 40 is connected by pipeline with cleaning device 20, is recycled to cleaning device 20 by the isolated clear water 104 of sedimentation basin 40 points by pipeline.Certainly, the connected mode of each device is not limited to and is only connected by actual pipeline, such as, sandstone separator 30 is set directly at the below of vibratory sieve 10 compass screen surface, sieves isolated elementary residue from vibratory sieve 10 and directly flow in the sandstone separator 30 that is arranged on below vibratory sieve 10.
Understandable, the ore screening system of the embodiment of the present invention also comprises Buffer Pool, described Buffer Pool is connected between described sandstone separator 30 and described sedimentation basin 40, for accepting the secondary residue of discharging from the waste discharge mouth 32 of sandstone separator 30, the secondary residue after Buffer Pool buffering escapes and enter in described sedimentation basin 40 from Buffer Pool and carries out sedimentation separation.Further, in order to described secondary residue can be allowed to enter more smoothly in sedimentation basin 40, can transport pump at the other waste material that arranges of Buffer Pool, this waste material transports pump by the secondary residue smooth delivery of power in Buffer Pool in sedimentation basin 40.
The ore screening system of the embodiment of the present invention further comprises reducing mechanism, the particle diameter that described reducing mechanism is used for filtering out vibratory sieve 10 is greater than the clean ore deposit 101 of vibratory sieve 10 grating spacing and the coarse grain ore deposit 102 of the isolated particle diameter of described sandstone separator 30 between the auger and housing of sandstone separator 30 between spacing and vibratory sieve 10 grating spacing to carry out pulverizing and processes, to obtain powdered whiting product.
According to the ore screening system that the embodiment of the present invention provides, specifically describe ore screening technique below.
The ore screening technique that the present embodiment provides, it comprises the steps:
S1: adopt vibratory sieve 10 pairs of raw ores to carry out elementary screening, carry out in the process of elementary screening at described vibratory sieve 10 pairs of raw ores, raw ore is cleaned simultaneously, obtain particle diameter and be greater than the clean ore deposit 101 of Vibration Screen stripe pitch and elementary residue, wherein, described elementary residue comprises the complete waste water of cleaning, particle diameter is less than Vibration Screen stripe pitch broken ore and silt particle.
At present, the method for sieving raw ore impurity mainly adopts vibratory sieve to sieve.Such as, though magazins' layout most in raw ore can fall by the method for existing bolting impurity, but some stick to the impurity on raw ore surface, earth etc., be difficult to be removed totally by vibratory sieve.
According to the ore screening technique that the embodiment of the present invention provides, preferably, the grating spacing range of described vibratory sieve 10 is set to 5mm ~ 10mm.
Clean in order to the impurity on raw ore surface being removed, the present invention newly establishes and is equipped with a cleaning device 20 above vibratory sieve 10, described cleaning device 20 has water inlet end 21 and a water side 22, and the water side 22 of cleaning device 20 is connected with several spray heads 23 by pipeline.
What the present invention adopted is vibratory sieve 10 and cleaning device 20 simultaneously operating type to sieve flushing raw ore.Concrete, when raw ore is transported on vibratory sieve 10 compass screen surface, vibratory sieve 10 starts to revolve type vibration again and sieves raw ore, simultaneously, water inlet end 21 to cleaning device 20 connects water source, then the current direction water side 22 at water source, then water continues to flow to spray head 23 that water side is connected to and ejects flushing water from spray head 23.Because cleaning device 20 is arranged on above vibratory sieve 10, the flushing water that spray head 23 ejects is directly injected on the raw ore on vibratory sieve 10 to rinse raw ore.To jump on vibratory sieve 10 rolling along with raw ore, the impurity that each angular surface of raw ore adheres to can rinse out by flushing water that the cleaning device above vibratory sieve 10 ejects fully, the elementary residue obtaining pure clean ore deposit 101 and sieve out, wherein, the particle diameter in described clean ore deposit 101 is greater than vibratory sieve 10 grating spacing, and described elementary residue includes the mixture such as silt particle, broken ore that waste water and particle diameter are less than vibratory sieve 10 grating spacing.
S2: the sandstone separator 30 adopting spacing between auger and housing to be less than the grating spacing of described vibratory sieve 10 carries out postsearch screening to elementary residue, obtain coarse grain ore deposit 102 and secondary residue, wherein, the particle diameter in described coarse grain ore deposit 102 between the auger and housing of sandstone separator 30 between spacing and vibratory sieve 10 grating spacing, described secondary residue comprises waste water, particle diameter is less than spacing between the auger of sandstone separator and housing broken ore and silt particle.
The elementary residue sieved out by vibratory sieve 10 flow in the sandstone separator 30 that is arranged on below vibratory sieve 10, described sandstone separator 30 precipitates to isolate coarse grain ore deposit 102 and secondary residue to elementary residue, wherein, the particle diameter in described coarse grain ore deposit 102 is between the auger and housing of sandstone separator 30 between spacing and vibratory sieve 10 grating spacing, and described secondary residue includes waste water and particle diameter and is less than the mixture such as spacing silt particle, broken ore between the auger of sandstone separator 30 and housing.
Described sandstone separator 30 has waste discharge mouth 32 and row's stone mouth 31, and wherein, waste discharge mouth 32 is for discharging through the isolated secondary residue of sandstone separator 30, and row's stone mouth 31 is for discharging through the isolated coarse grain ore deposit 102 of sandstone separator 30.Described sandstone separator 30 refers under the impact of current, utilizes the equipment that certain sieving machine is separated mud, sandstone etc.Known by those skilled in the art, sandstone separator 30 mainly comprises transmission mechanism, auger and housing, its screening principle is mainly realized by the spacing between setting auger and housing, concrete, enter in sandstone separator 30 by the isolated elementary residue of vibratory sieve 10, described elementary residue is deposited in the bottom of housing because of the effect of gravity, auger advances under the drive of transmission mechanism, its elementary residue being deposited in housing bottom is upwards driven by auger, the coarse grain ore deposit 102 being wherein greater than the spacing between the auger of sandstone separator 30 and housing to be trapped in housing and to separate from Pai Shikou 31 along with the operation of auger, and flushing waste water and particle diameter are less than the ore of spacing between auger and housing, the secondary residue that fine sand and earth etc. mix then is deposited on housing bottom and discharges from waste discharge mouth 32.
According to the ore screening technique that the embodiment of the present invention provides, spacing between the auger of described sandstone separator 30 and housing is set to 1mm, via the granularity in the isolated coarse grain ore deposit 102 of sandstone separator 30 for being more than or equal to 1mm and being less than vibratory sieve 10 grating spacing, certainly, the present invention is not limited to this, such as by changing the spacing between the auger of sandstone separator 30 and housing, change the minimum particle size in isolated coarse grain ore deposit 102.
Spacing between the auger of sandstone separator 30 and housing is arranged the grating spacing being less than described vibratory sieve 10 by the present invention, so can further sieve out coarse grain ore deposit 102 between the spacing of particle diameter between the auger and housing of sandstone separator 30 and vibratory sieve 10 grating spacing by flowing into the elementary residue of sandstone separator 30, described coarse grain ore deposit 102 is recyclable makes powdered whiting product, reduces the discharge rate of waste material.
S3: described secondary residue is carried out precipitate and separate, to obtain upper strata clear water 104 and to be positioned at three grades of residues 103 under clear water layer.
Isolated for S2 secondary residue is flowed in sedimentation basin 40 and carries out precipitate and separate.Described sedimentation basin 40 has two ports, and one end is charging aperture 41, and the other end is delivery port 42.Wherein, described charging aperture 41 is connected with the waste discharge mouth 32 of sandstone separator 30, secondary residue is made to escape and enter from the waste discharge mouth sandstone separator 30 charging aperture 41 be attached thereto, final secondary residue enters in sedimentation basin 40 and carries out precipitate and separate, obtain upper strata clear water 104 and be positioned at three grades of residues 103 under clear water layer, described three grades of residues 103 are for comprising the mixture such as silt particle, particulate ore deposit, these three grades of residues 103 reclaim brickmaking, further reduce the discharge rate of waste material.
According to the ore screening technique that the embodiment of the present invention provides, because the granularity from the isolated coarse grain ore deposit 102 of S2 is for being greater than 1mm and being less than vibratory sieve 10 grating spacing, isolate remaining secondary residue behind the larger coarse grain ore deposit 102 of particle diameter and be transported to three grades of residues 103 that sedimentation basin 40 sedimentation goes out, so the particle diameter in particulate ore deposit in described three grades of residues 103 is less than or equal to 1mm.Certainly, in certain embodiments, if the spacing changed between the auger of sandstone separator 30 and housing and change the minimum particle size in isolated coarse grain ore deposit 102, the minimum grain size after the particle diameter in the particulate ore deposit in three grades of residues 103 that sedimentation basin 40 is settled out also is less than or equal to above-mentioned change thereupon.
S4: described upper strata clear water 104 is circulated to described cleaning device to recycle.
The delivery port 42 of described sedimentation basin 40 other end is connected formed described water circulation system 50 by pipeline with the water inlet end 21 of cleaning device 20, and the water inlet end 21 for isolated for sedimentation basin 40 points clear water 104 is recycled to cleaning device 20 does circulating flushing wash water and uses.
The clear water 104 of being separated out by sedimentation basin 40 reclaims the water inlet end 21 flowing into cleaning device 20 and uses to do circulating flushing wash water from the delivery port 42 of sedimentation basin 40.Concrete, first the clear water 104 that sedimentation basin 40 is separated out is delivered to the water inlet end 21 of cleaning device 20 from the delivery port 42 of sedimentation basin 40, then clear water 104 flows to water side 22 from water inlet end 21, then the raw ore jet douche water on the spray head 23 connected by water side 22 vibratory sieve 10 downwards; Then be separated in the sandstone separator 30 after having rinsed the raw ore on vibratory sieve 10 below isolated elementary residue inflow; Flowing into the charging aperture 41 of the sedimentation basin 40 be attached thereto from waste discharge mouth 32 by the isolated secondary residue of sandstone separator 30 afterwards and enter in sedimentation basin 40 and carry out precipitate and separate, the clear water 104 of finally separating out from sedimentation basin 40 sedimentation separation again reclaims the water inlet end 21 flowing into cleaning device 20 and uses to do circulating flushing wash water from the delivery port 42 of sedimentation basin 40.Circulation like this is concatenated to form a closed circuit, improves the recovery utilization rate of waste water, obviously reduces the discharge capacity of waste water.
During this system of first use, after water can being full of in sedimentation basin 40, the water inlet end 21 water being delivered to cleaning device 20 from the delivery port 42 of sedimentation basin 40 is used to do flushing water, after flushing water rinses the isolated elementary residue of raw ore on vibratory sieve 10, elementary residue flows into sandstone separator 30 again and isolates secondary residue, then the sedimentation separation of secondary residue inflow sedimentation basin 40 goes out clear water 104, again supplies to cleaning device 20, so repeatedly after last Precipitation clear water 104.
The ore screening technique that the embodiment of the present invention provides also comprises and adopts after Buffer Pool carries out cushioning effect to the isolated secondary residue of sandstone separator 30 between S2 and S3, then enters the sedimentation separation of described sedimentation basin 40.
Described ore screening technique further comprises and adopts reducing mechanism to carry out pulverizing to the particle diameter that vibratory sieve 10 the filters out coarse grain ore deposit 102 be greater than between spacing between the auger and housing of sandstone separator 30 of the clean ore deposit 101 of vibratory sieve 10 grating spacing and the isolated particle diameter of described sandstone separator 30 and vibratory sieve 10 grating spacing to process, to obtain powdered whiting product.
Understandable, clean ore deposit 101 can merge with coarse grain ore deposit 102 after again together with roughly make powdered whiting product through steps such as conventional fragmentation, grindings, certainly, also roughly can make powdered whiting product again through steps such as routine fragmentation, grindings respectively for two kinds.
Draw through experiment, the whiteness of the powdered whiting product obtained by screening technology of the present invention is significantly improved.To produce C95, the ore that tradition is selected after utilizing Vibration Screen to be separated impurity roughly produces obtained C95 through steps such as fragmentation, grindings, and its whiteness value about 91.5% ISO, fails to reach the whiteness value of 92.0%ISO needed for production requirement.And utilizing the present invention to improve the obtained C95 of rear ore screening technique, its whiteness value is about 92.5%ISO, and the powdered whiting product whiteness comparing traditional ore washing method obtained is significantly improved, and meets the whiteness value of production requirement 92.0%ISO completely.
Ore screening technique provided by the invention compared with prior art, have the following advantages: first, by square on the vibrating, cleaning device is set, and vibratory sieve and cleaning device simultaneously operating type sieve flushing raw ore, compare traditional raw ore directly in the mode of bolting impurity, raw ore of the present invention jumps while rolling on the compass screen surface of vibratory sieve, the impurity that each angular surface of raw ore adheres to can rinse out by flushing water that the cleaning device above vibratory sieve ejects fully, obtain purer ore, the powdered whiting product quality that the ore so filtered out produces significantly improves, second, the present invention is by again recycling the elementary residue separated from Vibration Screen through precipitate and separate, powdered whiting product is made as reclaimed from the isolated coarse grain ore deposit of sandstone separator, brickmaking is reclaimed from the isolated three grades of residues of sedimentation basin, compared with existing directly by the mode that waste material is discarded, so recycle the scrap rate made and obviously reduce, 3rd, be recycled to cleaning device by the clear water of sedimentation basin sedimentation being separated out to use, compared with existing directly by the mode of the direct waste emission of waste water of cleaning, effectively can reduce the discharge capacity of waste water, and isolated clear water reclaimed again be used as flushing water to clean raw ore, and this flushing water is through also can again recycle after precipitation again, so recycle the recovery utilization rate that can significantly improve waste water, greatly reduce the waste of water resource, meet advocating of current energy-saving and emission-reduction, decrease the production cost of enterprise simultaneously.
In addition, those skilled in the art also can make various amendments in other form and details, interpolation and replacement in the claims in the present invention scope of disclosure and spirit.Certainly, the changes such as these various amendments made according to the present invention's spirit, interpolation and replacement, all should be included within the present invention's scope required for protection.
Claims (12)
1. an ore screening system, it comprises
Used by oscillating screen is in carrying out elementary screening to raw ore;
Cleaning device is positioned at above vibratory sieve, for carrying out cleaning raw ore in the process of elementary screening to raw ore at described vibratory sieve, the impurity on raw ore surface is sticked to removing, cleaning the clean jig that complete particle diameter is greater than Vibration Screen stripe pitch elects for subsequent use, cleans complete waste water, broken ore that particle diameter is less than Vibration Screen stripe pitch and silt particle form elementary residue jointly;
Sandstone separator is positioned at below vibratory sieve, it comprises auger and housing, spacing between this auger and housing is less than the grating spacing of described vibratory sieve, described sandstone separator is used for carrying out postsearch screening to described elementary residue, to screen for subsequent use by the coarse grain ore deposit between the spacing of particle diameter between the auger and housing of sandstone separator and Vibration Screen stripe pitch from described elementary residue, all the other waste water, particle diameter are less than the secondary residue that the broken ore of the spacing between the auger of sandstone separator and housing and silt particle are formed jointly;
Sedimentation basin is positioned at sandstone separator downstream, for described secondary residue is carried out precipitate and separate with make described secondary residual product in described sedimentation basin layering to form three grades of residues of upper strata clear water and lower floor; And
Water circulation system connects described sedimentation basin and described cleaning device respectively, uses for the upper strata clear water in described sedimentation basin being circulated to described cleaning device.
2. ore screening system as claimed in claim 1, it is characterized in that: described ore screening system further comprises reducing mechanism, the particle diameter that described reducing mechanism is used for selecting the Vibration Screen coarse grain ore deposit be greater than between spacing between the auger and housing of sandstone separator of the clean ore deposit of Vibration Screen stripe pitch and the isolated particle diameter of described sandstone separator and Vibration Screen stripe pitch is carried out pulverizing and is processed, to obtain powdered whiting product.
3. ore screening system as claimed in claim 1, it is characterized in that: described ore screening system further comprises Buffer Pool, described Buffer Pool connects described sandstone separator and described sedimentation basin respectively, for accepting described secondary residue and playing cushioning effect to it.
4. ore screening system as claimed in claim 1, is characterized in that: the scope of the grating spacing of described vibratory sieve is 5mm ~ 10mm.
5. ore screening system as claimed in claim 1, is characterized in that: the spacing between the auger of described sandstone separator and housing is 1mm.
6. ore screening system as claimed in claim 3, is characterized in that: described Buffer Pool is other is provided with waste material transhipment pump, and isolated secondary residue is delivered in sedimentation basin by this waste material transhipment pump.
7. ore screening system as claimed in claim 1, is characterized in that: described sedimentation basin is other is provided with clear water transhipment pump, and isolated for described sedimentation basin clear water is delivered to described cleaning device and uses by this clear water transhipment pump.
8. ore screening system as claimed in claim 1, it is characterized in that: described sedimentation basin is set to the sedimentation basin of multistage stepped-style, sedimentation basin at different levels is interconnected.
9. an ore screening technique, it comprises the steps:
Vibratory sieve is adopted to carry out elementary screening to raw ore, carry out in the process of elementary screening at described vibratory sieve to raw ore, raw ore is cleaned simultaneously, obtain particle diameter and be greater than the clean ore deposit of Vibration Screen stripe pitch and elementary residue, wherein, described elementary residue comprises the complete waste water of cleaning, particle diameter is less than Vibration Screen stripe pitch broken ore and silt particle;
The sandstone separator adopting the spacing between auger and housing to be less than the grating spacing of described vibratory sieve carries out postsearch screening to elementary residue, obtain coarse grain ore deposit and secondary residue, wherein, between spacing between the auger and housing of sandstone separator of the particle diameter in described coarse grain ore deposit and Vibration Screen stripe pitch, described secondary residue comprises waste water, particle diameter is less than the spacing between the auger of sandstone separator and housing broken ore and silt particle;
Described secondary residue is carried out precipitate and separate, to obtain upper strata clear water and to be positioned at three grades of residues under clear water layer;
Described upper strata clear water is circulated to described cleaning device to recycle.
10. ore screening technique as claimed in claim 9, it is characterized in that: described ore screening technique further comprises and adopts reducing mechanism to carry out pulverizing to the particle diameter that Vibration Screen the is selected coarse grain ore deposit be greater than between spacing between the auger and housing of sandstone separator of the clean ore deposit of Vibration Screen stripe pitch and the isolated particle diameter of described sandstone separator and Vibration Screen stripe pitch to process, to obtain powdered whiting product.
11. ore screening techniques as claimed in claim 9, is characterized in that: after described ore screening technique further comprises and adopts Buffer Pool to carry out cushioning effect to the isolated secondary residue of sandstone separator, then enter sedimentation basin sedimentation separation.
12. ore screening techniques as claimed in claim 9, is characterized in that: described three grades of residues reclaim brickmaking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310405716.5A CN103464274B (en) | 2013-09-09 | 2013-09-09 | Ore screening system and technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310405716.5A CN103464274B (en) | 2013-09-09 | 2013-09-09 | Ore screening system and technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103464274A CN103464274A (en) | 2013-12-25 |
| CN103464274B true CN103464274B (en) | 2015-07-01 |
Family
ID=49789444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310405716.5A Active CN103464274B (en) | 2013-09-09 | 2013-09-09 | Ore screening system and technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103464274B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138465A (en) * | 2017-07-07 | 2017-09-08 | 中交航局第工程有限公司 | A kind of rubble recirculated water sieves and washes system |
| CN109834041B (en) * | 2017-11-27 | 2022-04-19 | 广西南宁胜祺安科技开发有限公司 | High-efficient mineral processing equipment of environmental protection |
| CN111359870B (en) * | 2020-03-20 | 2021-08-24 | 沙河市禄峰矿产品有限公司 | Water abrasive particle-based separation device, system and separation method |
| CN112122018A (en) * | 2020-07-31 | 2020-12-25 | 辽宁招金白云黄金矿业有限公司 | Ore pulp ore dressing pretreatment extraction element |
| CN113814214B (en) * | 2020-09-25 | 2022-12-30 | 安康市翔泽油田材料有限公司 | Ore belt cleaning device for mining industry |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237001A (en) * | 1979-04-30 | 1980-12-02 | Howard S. Berry | Ore classifier |
| CN1296862A (en) * | 2000-12-16 | 2001-05-30 | 马鹏飞 | Washing separation process and equipment for combined multifunctional apparatus |
| CN101181699A (en) * | 2007-12-17 | 2008-05-21 | 中国铝业股份有限公司 | Ore washing method for bauxite |
| RU2008105004A (en) * | 2008-02-11 | 2009-08-20 | Общество с ограниченной ответственностью "Нординвэс" (RU) | ENRICHMENT MODULE |
| CN101569874A (en) * | 2008-04-30 | 2009-11-04 | 李斌 | No-vibration underwater drum screen |
| CN201380115Y (en) * | 2009-03-05 | 2010-01-13 | 中国恩菲工程技术有限公司 | Laterite washing device |
| CN101733192A (en) * | 2009-12-21 | 2010-06-16 | 贵研铂业股份有限公司 | Method for purifying quartz sand ore by using physical method |
| CN103170404A (en) * | 2011-12-21 | 2013-06-26 | 刘建民 | Dense medium spiral roller coal gangue discharge method |
-
2013
- 2013-09-09 CN CN201310405716.5A patent/CN103464274B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237001A (en) * | 1979-04-30 | 1980-12-02 | Howard S. Berry | Ore classifier |
| CN1296862A (en) * | 2000-12-16 | 2001-05-30 | 马鹏飞 | Washing separation process and equipment for combined multifunctional apparatus |
| CN101181699A (en) * | 2007-12-17 | 2008-05-21 | 中国铝业股份有限公司 | Ore washing method for bauxite |
| RU2008105004A (en) * | 2008-02-11 | 2009-08-20 | Общество с ограниченной ответственностью "Нординвэс" (RU) | ENRICHMENT MODULE |
| CN101569874A (en) * | 2008-04-30 | 2009-11-04 | 李斌 | No-vibration underwater drum screen |
| CN201380115Y (en) * | 2009-03-05 | 2010-01-13 | 中国恩菲工程技术有限公司 | Laterite washing device |
| CN101733192A (en) * | 2009-12-21 | 2010-06-16 | 贵研铂业股份有限公司 | Method for purifying quartz sand ore by using physical method |
| CN103170404A (en) * | 2011-12-21 | 2013-06-26 | 刘建民 | Dense medium spiral roller coal gangue discharge method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103464274A (en) | 2013-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3194172U (en) | Sand cleaning system | |
| CN103464274B (en) | Ore screening system and technology | |
| CN106733138B (en) | Fluorite ore gravity-floatation combined mineral dressing technology | |
| JP4676245B2 (en) | Method for producing recycled fine aggregate, and recycled fine aggregate | |
| CN104399577A (en) | Mudstone environmental protection regeneration system | |
| JP2006035223A (en) | Specific gravity sorter and method for regenerating aggregate from waste material at civil engineering work/construction work | |
| CN105921245B (en) | A kind of concrete aggregate processing method and system of processing | |
| KR100521764B1 (en) | The method to manufacture break to sand by construction waste | |
| CN102989747A (en) | Solid construction waste processing and treating system | |
| CN109622213A (en) | Using the heavymedia separation technique of the separation fluorite and barite of shallow-tank separator | |
| JP2022509901A (en) | Systems and methods for cleaning and grading particulate matter | |
| CN109201316B (en) | Clean utilization production process for raw coal | |
| CN106583029A (en) | Fluorite ore reselection process and fluorite waste reselection process | |
| CN110665934A (en) | Construction waste's recovery processing system | |
| KR100764643B1 (en) | The recycling method and its apparatus for constructionwaste matter | |
| CN106733143B (en) | Fluorite lump ore and particle mine gravity separation technology | |
| JPH1025140A (en) | Reclamation of aggregate from waste materials in civil engineering and construction and installation therefor | |
| KR100487089B1 (en) | The sorting system and the method of construction waste | |
| KR101037783B1 (en) | Device for separating sand | |
| CN107213981A (en) | A kind of ultralow association tungsten gold mine gold, tungsten integrate dressing method | |
| CN204276137U (en) | Mudstone environmental protection reclaiming system | |
| KR100434799B1 (en) | The Method of Production for Recycling Sand using Construction Waste and Apparatus thereof | |
| CN115445741A (en) | Method for preparing sand by utilizing rock waste high-yield preparation machine | |
| CN210762741U (en) | Concrete truck washs recovery plant | |
| US20220001391A1 (en) | System and method for recovering desired materials using a ball mill or rod mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |