CN103464274A - Ore screening system and technology - Google Patents
Ore screening system and technology Download PDFInfo
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- CN103464274A CN103464274A CN2013104057165A CN201310405716A CN103464274A CN 103464274 A CN103464274 A CN 103464274A CN 2013104057165 A CN2013104057165 A CN 2013104057165A CN 201310405716 A CN201310405716 A CN 201310405716A CN 103464274 A CN103464274 A CN 103464274A
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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 inorganic filler commonly used, has been widely used at present field of papermaking.Powdered whiting is to be formed as calcite, marble, lime stone grind by the natural carbonate mineral.In mining process, the normal forklift that adopts is got on the bus at present, cause in ore sediment charge very large, ore is transported to the process of production scene from mining in addition, need through the short intermediate link such as refute of Automobile Transportation, shipping and automobile, in these transportations, mineral surface and ore particle easily are subject to the pollution of the impurity such as earth.In order to guarantee the quality of back segment product, need to carry out washing to ore, in the process of washing, the useless impurity such as silt are selected.
At present, the method for ore washing is mainly contained to two kinds, the first is screened by vibratory sieve, and the method can be removed the part barren rock bits in ore, but the impurity that sticks to mineral surface can't be removed clean as earth etc.Utilize the ore of the method screening can be affected through product quality broken, that grind out, and can't be recycled because containing the impurity such as a large amount of silts in screening barren rock bits out, can only discard, scrap rate approximately 5%.The second is to adopt the drum type ore-washing apparatus washing, this method can be utilized clear water to rinse the impurity that mineral surface is adhered to and clean up, but the waste water that the cleaning ore produces directly discarded discharge makes a large amount of water resources be wasted, and constantly be taken up and leave when the rollers running due to ore, cause the ore top layer to be stripped from, greatly increased waste material, scrap rate can reach more than 10%, make the product yield greatly descend, increased production cost.
Summary of the invention
In view of this, be necessary to provide a kind of and can fully screen out the ore screening system that impurity can reduce again the discharge of waste water, waste material.
In addition, also be necessary to provide a kind of ore screening technique that adopts above-mentioned ore screening system.
A kind of ore screening system, it comprises
Used by oscillating screen is in raw ore is carried out to elementary screening;
Cleaning device is positioned at the vibratory sieve top, for the process of raw ore being carried out to elementary screening at described vibratory sieve, raw ore is cleaned, to remove the impurity that sticks to the raw ore surface, clean clean jig that complete particle diameter is greater than the Vibration Screen stripe pitch and elect standbyly, clean that complete waste water, particle diameter are less than the broken ore of Vibration Screen stripe pitch and silt particle is common forms elementary residue;
Sandstone separator is positioned at the vibratory sieve below, 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 for carrying out postsearch screening to described elementary residue, standby so that particle diameter is screened from described elementary residue between the auger of sandstone separator and the coarse grain ore deposit between the spacing between housing and Vibration Screen stripe pitch, all the other waste water, particle diameter are less than the auger of sandstone separator and broken ore and the common secondary residue formed of silt particle of the spacing between housing;
Sedimentation basin is positioned at the sandstone separator downstream, for described secondary residue is carried out to precipitate and separate so that 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 respectively described sedimentation basin and described cleaning device, is circulated to described cleaning device for the upper strata clear water by described sedimentation basin and uses.
A kind of ore screening technique, it comprises the steps:
Adopt vibratory sieve to carry out elementary screening to raw ore, in described vibratory sieve carries out the process of elementary screening to raw ore, raw ore is cleaned simultaneously, obtain clean ore deposit and elementary residue that particle diameter is greater than the Vibration Screen stripe pitch, wherein, described elementary residue comprises that complete waste water, the particle diameter of cleaning is less than broken ore and the silt particle of Vibration Screen stripe pitch;
The sandstone separator that spacing between employing auger and housing is 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, the particle diameter in described coarse grain ore deposit is between the auger and the spacing between housing and Vibration Screen stripe pitch of sandstone separator, and described secondary residue comprises that waste water, particle diameter are less than the auger of sandstone separator and broken ore and the silt particle of the spacing between housing;
Described secondary residue is carried out to precipitate and separate, to obtain the upper strata clear water and to be positioned at three grades of residues under the 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 cleaning device is set above vibratory sieve, and vibratory sieve and cleaning device operating type simultaneously sieve the flushing raw ore, compare traditional raw ore directly in the mode of bolting impurity, raw ore of the present invention jumps in rolling on the compass screen surface of vibratory sieve, the impurity that the flushing water that the cleaning device of vibratory sieve top ejects can adhere to each angular surface of raw ore fully rinses out, obtain purer ore, the powdered whiting product quality that the ore so filtered out produces obviously improves, second, the present invention also recycles through precipitate and separate again by the elementary residue that will separate from Vibration Screen, as from the isolated coarse grain of sandstone separator ore deposit, reclaimed and make the powdered whiting product, reclaim brickmaking from the isolated three grades of residues of sedimentation basin, so recycle scrap rate is obviously reduced, the 3rd, be recycled to cleaning device by the clear water that the sedimentation basin sedimentation is separated out and use, directly the waste water cleaned is directly discarded to the mode of discharge compared with existing cleaning method, can effectively reduce the discharge capacity of waste water, and isolated clear water is reclaimed and is used as flushing water and cleans raw ore, and this flushing water is through also can again recycling after precipitation again, so recycle the recovery utilization rate that can obviously improve waste water, greatly reduced the waste of water resource, meet advocating of current energy-saving and emission-reduction, also reduced the production cost of enterprise simultaneously.
The accompanying drawing explanation
The ore screening system works schematic diagram that Fig. 1 is the embodiment of the present invention.
The main element symbol description
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The following specific embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
The specific embodiment
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 the raw ore to receiving, is sieved.
Those skilled in the art are known, and vibratory sieve 10 is that answering of utilizing the oscillator exciting to produce revolved type vibration and work.The upper rotation weight of oscillator makes compass screen surface produce the plane whirling vibration, lower rotation weight makes compass screen surface produce conical surface rotary vibration, its symphyogenetic effect makes the compass screen surface generation revolve again the type vibration, the present invention utilizes vibratory sieve 10 compass screen surfaces to revolve again type to vibrate raw ore is carried out to elementary screening, and the residue raw ore that is less than vibratory sieve 10 grating spacings with primary dcreening operation ore deposit and the particle diameter that particle diameter is greater than to vibratory sieve 10 grating spacings separates.
The scope of the grating spacing of the vibratory sieve 10 that preferably, the embodiment of the present invention provides is 5mm ~ 10mm.
Described cleaning device 20, be arranged at the top of described vibratory sieve 10, for the process of at 10 pairs of raw ores of described vibratory sieve, carrying out elementary screening, raw ore cleaned, to remove the impurity that sticks to the raw ore surface.
Described cleaning device 20 has a 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 23 pairs of vibratory sieves 10 of spray head that the water at water source connects by water side 22 carries out spray irrigation, with the impurity such as earth by the raw ore surface adhesion, rinses well.
Above-mentioned vibratory sieve 10 and cleaning device 20 carry out when work simultaneously, and vibratory sieve 10 is in the screening raw ore, and the spray head 23 jet douche water that are arranged on the cleaning device 20 of vibratory sieve 10 tops rinse raw ore.By such mode, make raw ore on the compass screen surface of vibratory sieve 10, jump the rolling in, the impurity that the flushing water that the cleaning device 20 of vibratory sieve 10 tops ejects can adhere to each angular surface of raw ore fully rinses out, obtain purer ore, the powdered whiting product quality that the ore so filtered out produces obviously improves.
Under the double action of described vibratory sieve 10 and cleaning device 20, the raw ore screening can be greater than to clean ore deposit 101 and the elementary residue of the grating spacing of vibratory sieve 10 for cleaning complete particle diameter, wherein, described elementary residue includes the mixtures such as silt particle that waste water and particle diameter be less than the grating spacing of vibratory sieve 10, broken ore.
Described sandstone separator 30 arranges the below that is connected to vibratory sieve 10, accepts from the isolated elementary residue of vibratory sieve 10 and described elementary residue is carried out to postsearch screening.
Described sandstone separator 30 refers under the impact of current, the equipment that utilizes certain sieving machine to be 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, to screen standby between the coarse grain ore deposit 102 between spacing and vibratory sieve 10 grating spacings between the auger of sandstone separator 30 and housing from described elementary residue by particle diameter, all the other materials become the 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 a 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 of sandstone separator 30 ore deposit 102.
The auger of the sandstone separator 30 that preferably, the embodiment of the present invention provides and the spacing between housing are 1mm.
Described sedimentation basin 40 arranges the downstream that is connected to sandstone separator 30, for described secondary residue is carried out to precipitate and separate so that described secondary residual product in described sedimentation basin 40 layerings to form three grades of residues 103 of upper strata clear water 104 and lower floor, described three grades of residues 103 include the mixtures such as silt particle, particulate ore deposit.
Described sedimentation basin 40 has two ports, and an 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 the 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 improve the degree of purity of minute isolated clear water 104 in sedimentation basin 40, preferred, sedimentation basin 40 can be made to multistage stepped-style.Specifically, sedimentation basin 40 can be divided into to one-level sedimentation basin, second-level settling pond, three grades of sedimentation basins, level Four sedimentation basin by that analogy, sedimentation basins at different levels interconnect 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 the one-level sedimentation basin, after the first sedimentation of secondary residue, the waste water of separating out in the one-level sedimentation basin flows into second-level settling pond, waste water again sedimentation and enter successively three grades of sedimentation basins and level Four sedimentation basin and the like, finally isolate comparatively pure clear water 104.
Described water circulation system 50 connects respectively described sedimentation basin 40 and described cleaning device 20, is circulated to described cleaning device 20 for the upper strata clear water 104 by described sedimentation basin 40 and uses.
The delivery port 42 of described sedimentation basin 40 other ends is connected to form described water circulation system 50 by pipeline with the water inlet end 21 of cleaning device 20, does the circulating flushing wash water for the water inlet end 21 that 40 minutes isolated clear water 104 of sedimentation basin are recycled to cleaning device 20 and uses.
Further, in order to allow 40 minutes isolated clear water 104 of sedimentation basin be smoothly through water circulation system and be recycled to cleaning device 20, can be at the other clear water transhipment pump 51 that is provided with of described sedimentation basin, this clear water transhipment pump 51 is delivered to cleaning device 20 for rinsing raw ore by isolated clear water 104.
The connected mode of above-mentioned each device can adopt pipeline to connect, and concrete, vibratory sieve 10 is connected by pipeline with sandstone separator 30, by vibratory sieve 10, sieves isolated elementary residue in piping flows into sandstone separator 30; 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, is passed through in pipeline flow-direction sedimentation basin 40; The delivery port 42 of sedimentation basin 40 is connected by pipeline with cleaning device 20, by 40 minutes isolated clear water 104 of sedimentation basin, by pipeline, is recycled to cleaning device 20.Certainly, the connected mode of each device only is not limited to and is connected by actual pipeline, for example, sandstone separator 30 is set directly to the below of vibratory sieve 10 compass screen surfaces, from the isolated elementary residue of vibratory sieve 10 sieve, directly flows to and be arranged in the sandstone separator 30 of vibratory sieve 10 belows.
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 the Buffer Pool buffering escapes and enter in described sedimentation basin 40 and carries out sedimentation separation from Buffer Pool.Further, in order to allow described secondary residue can enter more smoothly in sedimentation basin 40, can be at the other waste material transhipment pump that arrange of Buffer Pool, this waste material transhipment pump by the secondary residue smooth delivery of power in Buffer Pool to sedimentation basin 40.
The ore screening system of the embodiment of the present invention further comprises reducing mechanism, described reducing mechanism is greater than the clean ore deposit 101 of vibratory sieve 10 grating spacings and the isolated particle diameter of described sandstone separator 30 for particle diameter that vibratory sieve 10 is filtered out and pulverizes processing between the coarse grain ore deposit 102 between spacing and vibratory sieve 10 grating spacings between the auger of sandstone separator 30 and housing, to obtain the powdered whiting product.
The ore screening system provided according to the embodiment of the present invention, below specifically describe ore screening technique.
The ore screening technique that the present embodiment provides, it comprises the steps:
S1: adopt 10 pairs of raw ores of vibratory sieve to carry out elementary screening, in 10 pairs of raw ores of described vibratory sieve carry out the process of elementary screening, raw ore is cleaned simultaneously, obtain clean ore deposit 101 and elementary residue that particle diameter is greater than the Vibration Screen stripe pitch, wherein, described elementary residue comprises that complete waste water, the particle diameter of cleaning is less than broken ore and the silt particle of Vibration Screen stripe pitch.
At present, the method for screening raw ore impurity mainly adopts vibratory sieve to sieve.Though the method for existing bolting impurity can separate most impurity in raw ore, but some stick to the impurity on raw ore surface, such as earth etc., be difficult to remove totally by vibratory sieve.
The ore screening technique provided according to the embodiment of the present invention, preferred, the grating spacing range of described vibratory sieve 10 is set to 5mm ~ 10mm.
Clean for 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 a 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 that vibratory sieve 10 sieves the flushing raw ore with 20 while of cleaning device operating type.Concrete, when raw ore is transported on vibratory sieve 10 compass screen surfaces, vibratory sieve 10 starts to revolve again type and vibrates to sieve raw ore, in this simultaneously, water inlet end 21 to cleaning device 20 connects water source, the then current direction water side 22 at water source, then water continues to flow to the spray head 23 that water side connecting and ejects flushing water from spray head 23.Because cleaning device 20 is arranged on vibratory sieve 10 tops, the flushing water that spray head 23 ejects is directly injected on the raw ore on vibratory sieve 10 to rinse raw ore.Be accompanied by the raw ore rolling of jumping on vibratory sieve 10, the impurity that the flushing water that the cleaning device of vibratory sieve 10 tops ejects can adhere to each angular surface of raw ore fully rinses out, obtain pure clean ore deposit 101 and the elementary residue sieved out, wherein, the particle diameter in described clean ore deposit 101 is greater than vibratory sieve 10 grating spacings, and described elementary residue includes the mixtures such as silt particle that waste water and particle diameter be less than vibratory sieve 10 grating spacings, broken ore.
S2: the 30 pairs of elementary residues of sandstone separator that adopt spacing between auger and housing to be less than the grating spacing of described vibratory sieve 10 carry out postsearch screening, obtain coarse grain ore deposit 102 and secondary residue, wherein, the particle diameter in described coarse grain ore deposit 102 is between between the auger of sandstone separator 30 and housing between spacing and vibratory sieve 10 grating spacings, and described secondary residue comprises that waste water, particle diameter are less than broken ore and the silt particle of spacing between the auger of sandstone separator and housing.
The elementary residue sieved out by vibratory sieve 10 flow in the sandstone separator 30 that is arranged on vibratory sieve 10 belows, 30 pairs of elementary residues of described sandstone separator are precipitated to isolate coarse grain ore deposit 102 and secondary residue, wherein, the particle diameter in described coarse grain ore deposit 102 is between between the auger of sandstone separator 30 and housing between spacing and vibratory sieve 10 grating spacings, and described secondary residue includes waste water and particle diameter and is less than the mixtures such as the auger of sandstone separator 30 and the spacing silt particle between housing, broken ore.
Described sandstone separator 30 has a 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 of sandstone separator 30 ore deposit 102.Described sandstone separator 30 refers under the impact of current, the equipment that utilizes certain sieving machine to be separated mud, sandstone etc.Those skilled in the art are known, sandstone separator 30 mainly comprises transmission mechanism, auger and housing, its screening principle is mainly that the spacing by setting between auger and housing realizes, concrete, by the isolated elementary residue of vibratory sieve 10, entered in sandstone separator 30, 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 that is deposited in housing bottom is upwards driven by auger, wherein being greater than the auger of sandstone separator 30 and the coarse grain ore deposit 102 of the spacing between housing is trapped in housing and along with the operation of auger is separated from Pai Shikou 31, 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 is deposited on housing bottom and discharges from waste discharge mouth 32.
The ore screening technique provided according to the embodiment of the present invention, the auger of described sandstone separator 30 and the spacing between housing are set to 1mm, via the granularity in the isolated coarse grain of sandstone separator 30 ore deposit 102 for being more than or equal to 1mm and being less than vibratory sieve 10 grating spacings, certainly, the present invention is not limited to this, for example, by the auger of change sandstone separator 30 and the spacing between housing, change the minimum particle size in isolated coarse grain ore deposit 102.
The present invention is less than the auger of sandstone separator 30 and the spacing setting between housing the grating spacing of described vibratory sieve 10, so the elementary residue that flows into sandstone separator 30 further can be sieved out to particle diameter coarse grain ore deposit 102 between the auger of sandstone separator 30 and the spacing between housing and vibratory sieve 10 grating spacings, the recyclable powdered whiting product of making in described coarse grain ore deposit 102, the discharge rate of minimizing waste material.
S3: described secondary residue is carried out to precipitate and separate, to obtain upper strata clear water 104 and to be positioned at three grades of residues 103 under the clear water layer.
The isolated secondary residue of S2 is flowed in sedimentation basin 40 and carries out precipitate and separate.Described sedimentation basin 40 has two ports, and an 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, make the waste discharge mouth of secondary residue from sandstone separator 30 escape and enter the 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 the clear water layer, described three grades of residues 103 are for comprising the mixtures such as silt particle, particulate ore deposit, these three grades of residues 103 reclaim brickmaking, have reduced further the discharge rate of waste material.
The ore screening technique provided according to the embodiment of the present invention, due to the granularity from the isolated coarse grain of S2 ore deposit 102 for being greater than 1mm and being less than vibratory sieve 10 grating spacings, isolate the rear remaining secondary residue in coarse grain ore deposit 102 that particle diameter is larger and be transported to three grades of residues 103 that sedimentation basin 40 sedimentations go out, so the particle diameter in the particulate ore deposit in described three grades of residues 103 is less than or equal to 1mm.Certainly, in certain embodiments, change the minimum particle size in isolated coarse grain ore deposit 102 if change the auger of sandstone separator 30 and the spacing between housing, the particle diameter in the particulate ore deposit in three grades of residues 103 that are settled out at sedimentation basin 40 also is less than or equal to the minimum grain size after 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 ends is connected formed described water circulation system 50 by pipeline with the water inlet end 21 of cleaning device 20, does the circulating flushing wash water for the water inlet end 21 that 40 minutes isolated clear water 104 of sedimentation basin are recycled to cleaning device 20 and uses.
The clear water 104 of being separated out by sedimentation basin 40 reclaims the water inlet end 21 of inflow cleaning device 20 to do circulating flushing wash water use from the delivery port 42 of sedimentation basin 40.Concrete, at 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 spray head 23 vibratory sieve 10 downwards connected by water side 22; Then rinsed in the sandstone separator 30 that isolated elementary residue after the raw ore on vibratory sieve 10 flows into below and separated; Flowed into the charging aperture 41 of the sedimentation basin 40 be attached thereto and enter in sedimentation basin 40 from waste discharge mouth 32 by the isolated secondary residue of sandstone separator 30 afterwards and carry out precipitate and separate, the clear water 104 of finally separating out from sedimentation basin 40 sedimentation separations reclaims the water inlet end 21 of inflow cleaning device 20 to do circulating flushing wash water use from the delivery port 42 of sedimentation basin 40 again.So circulation is concatenated to form a closed circuit, improves the recovery utilization rate of waste water, obviously reduces the discharge capacity of waste water.
During first this system of use, after can in sedimentation basin 40, being full of water, water is delivered to the water inlet end 21 of cleaning device 20 to do flushing water use from the delivery port 42 of sedimentation basin 40, 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 the secondary residue, then 40 sedimentation separations of secondary residue inflow sedimentation basin go out clear water 104, after last Precipitation clear water 104, again supply with to cleaning device 20, so repeatedly.
The ore screening technique that the embodiment of the present invention provides, after also comprising between S2 and S3 and adopting Buffer Pool isolated secondary residue carries out cushioning effect to sandstone separator 30, then enters described sedimentation basin 40 sedimentation separations.
Described ore screening technique further comprises the clean ore deposit 101 and the isolated particle diameter of described sandstone separator 30 that adopt particle diameter that reducing mechanism filters out vibratory sieve 10 to be greater than vibratory sieve 10 grating spacings and pulverizes processing between the auger of sandstone separator 30 and the coarse grain ore deposit 102 between the spacing between housing and vibratory sieve 10 grating spacings, to obtain the powdered whiting product.
Understandable, clean ore deposit 101 and roughly through steps such as conventional fragmentation, grindings, make the powdered whiting product together with again after coarse grain ore deposit 102 can merge, certainly, also can roughly through steps such as routine fragmentation, grindings, make again the powdered whiting product respectively for two kinds.
Through experiment, draw, the whiteness of the powdered whiting product made by screening technology of the present invention is significantly improved.Take that to produce C95 be example, the C95 that the ore that tradition is utilized Vibration Screen to separate to fall to select after impurity roughly makes through step productions such as fragmentation, grindings, its whiteness value is 91.5% ISO approximately, fails to reach the whiteness value of the required 92.0%ISO of production requirement.And utilizing the present invention to improve the C95 that rear ore screening technique makes, the about 92.5%ISO of its whiteness value, compare the powdered whiting product whiteness that traditional ore washing method makes and be significantly improved, and meet the whiteness value of production requirement 92.0%ISO fully.
Ore screening technique provided by the invention compared with prior art, have the following advantages: first, by cleaning device is set above vibratory sieve, and vibratory sieve and cleaning device operating type simultaneously sieve the flushing raw ore, compare traditional raw ore directly in the mode of bolting impurity, raw ore of the present invention jumps in rolling on the compass screen surface of vibratory sieve, the impurity that the flushing water that the cleaning device of vibratory sieve top ejects can adhere to each angular surface of raw ore fully rinses out, obtain purer ore, the powdered whiting product quality that the ore so filtered out produces obviously improves, second, the present invention also recycles through precipitate and separate again by the elementary residue that will separate from Vibration Screen, as from the isolated coarse grain of sandstone separator ore deposit, reclaimed and make the powdered whiting product, reclaim brickmaking from the isolated three grades of residues of sedimentation basin, compared with the existing direct mode that waste material is discarded, so recycle the scrap rate made and obviously reduce, the 3rd, being recycled to cleaning device by the clear water that the sedimentation basin sedimentation is separated out uses, directly the waste water cleaned is directly discarded to the mode of discharge compared with existing, can effectively reduce the discharge capacity of waste water, and isolated clear water is reclaimed and is used as flushing water and cleans raw ore, and this flushing water is through also can again recycling after precipitation again, so recycle the recovery utilization rate that can obviously improve waste water, greatly reduced the waste of water resource, meet advocating of current energy-saving and emission-reduction, also reduced the production cost of enterprise simultaneously.
In addition, those skilled in the art also can make various modifications, interpolation and the replacement on other form and details in the claims in the present invention scope of disclosure and spirit.Certainly, the variations such as various modifications, interpolation and replacement that these are made according to spirit of the present invention, within all should being included in the present invention's scope required for protection.
Claims (12)
1. an ore screening system, it comprises
Used by oscillating screen is in raw ore is carried out to elementary screening;
Cleaning device is positioned at the vibratory sieve top, for the process of raw ore being carried out to elementary screening at described vibratory sieve, raw ore is cleaned, to remove the impurity that sticks to the raw ore surface, clean clean jig that complete particle diameter is greater than the Vibration Screen stripe pitch and elect standbyly, clean that complete waste water, particle diameter are less than the broken ore of Vibration Screen stripe pitch and silt particle is common forms elementary residue;
Sandstone separator is positioned at the vibratory sieve below, 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 for carrying out postsearch screening to described elementary residue, standby so that particle diameter is screened from described elementary residue between the auger of sandstone separator and the coarse grain ore deposit between the spacing between housing and Vibration Screen stripe pitch, all the other waste water, particle diameter are less than the auger of sandstone separator and broken ore and the common secondary residue formed of silt particle of the spacing between housing;
Sedimentation basin is positioned at the sandstone separator downstream, for described secondary residue is carried out to precipitate and separate so that 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 respectively described sedimentation basin and described cleaning device, is circulated to described cleaning device for the upper strata clear water by described sedimentation basin and uses.
2. ore screening system as claimed in claim 1, it is characterized in that: described ore screening system further comprises reducing mechanism, clean ore deposit and the isolated particle diameter of described sandstone separator that described reducing mechanism is greater than the Vibration Screen stripe pitch for the particle diameter that Vibration Screen is selected are pulverized processing between the auger of sandstone separator and the coarse grain ore deposit between the spacing between housing and Vibration Screen stripe pitch, to obtain the 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 respectively described sandstone separator and described sedimentation basin, for accepting described secondary residue and it being played to cushioning effect.
4. ore screening system as claimed in claim 1, it 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, it is characterized in that: the auger of described sandstone separator and the spacing between housing are 1mm.
6. ore screening system as claimed in claim 3 is characterized in that: the other waste water transhipment pump that is provided with of described Buffer Pool, this waste material transhipment pump is delivered to isolated secondary residue in sedimentation basin.
7. ore screening system as claimed in claim 1 is characterized in that: the other clear water transhipment pump that is provided with of described sedimentation basin, this clear water transhipment pump is delivered to described cleaning device by the isolated clear water of described sedimentation basin and uses.
8. ore screening system as claimed in claim 1, it is characterized in that: described sedimentation basin is made as the sedimentation basin of multistage stepped-style, and sedimentation basins at different levels interconnect.
9. an ore screening technique, it comprises the steps:
Adopt vibratory sieve to carry out elementary screening to raw ore, in described vibratory sieve carries out the process of elementary screening to raw ore, raw ore is cleaned simultaneously, obtain clean ore deposit and elementary residue that particle diameter is greater than the Vibration Screen stripe pitch, wherein, described elementary residue comprises that complete waste water, the particle diameter of cleaning is less than broken ore and the silt particle of Vibration Screen stripe pitch;
The sandstone separator that spacing between employing auger and housing is 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, the particle diameter in described coarse grain ore deposit is between the auger and the spacing between housing and Vibration Screen stripe pitch of sandstone separator, and described secondary residue comprises that waste water, particle diameter are less than the auger of sandstone separator and broken ore and the silt particle of the spacing between housing;
Described secondary residue is carried out to precipitate and separate, to obtain the upper strata clear water and to be positioned at three grades of residues under the 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 the clean ore deposit and the isolated particle diameter of described sandstone separator that adopt particle diameter that reducing mechanism is selected Vibration Screen to be greater than the Vibration Screen stripe pitch and pulverizes processing between the auger of sandstone separator and the coarse grain ore deposit between the spacing between housing and Vibration Screen stripe pitch, to obtain the powdered whiting product.
11. ore screening technique 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 the sedimentation basin sedimentation separation.
12. ore screening technique as claimed in claim 9 is characterized in that: described three grades of residues reclaim brickmaking.
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Cited By (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 |
| CN109834041A (en) * | 2017-11-27 | 2019-06-04 | 广西南宁胜祺安科技开发有限公司 | A kind of environment-friendly high-efficiency preparation equipment |
| CN111359870A (en) * | 2020-03-20 | 2020-07-03 | 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 |
| CN113814214A (en) * | 2020-09-25 | 2021-12-21 | 溆浦县东新矿业有限公司 | Ore belt cleaning device for mining |
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 |
Cited By (6)
| 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 |
| CN109834041A (en) * | 2017-11-27 | 2019-06-04 | 广西南宁胜祺安科技开发有限公司 | A kind of environment-friendly high-efficiency preparation equipment |
| CN111359870A (en) * | 2020-03-20 | 2020-07-03 | 沙河市禄峰矿产品有限公司 | Water abrasive particle-based separation device, system and separation method |
| 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 |
| CN113814214A (en) * | 2020-09-25 | 2021-12-21 | 溆浦县东新矿业有限公司 | Ore belt cleaning device for mining |
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|---|---|
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