CN108355830B - Fine sand resource recovery system and process in building stone mine tailing pond - Google Patents

Fine sand resource recovery system and process in building stone mine tailing pond Download PDF

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CN108355830B
CN108355830B CN201810189667.9A CN201810189667A CN108355830B CN 108355830 B CN108355830 B CN 108355830B CN 201810189667 A CN201810189667 A CN 201810189667A CN 108355830 B CN108355830 B CN 108355830B
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equipment
silt
suspension
fine
concentration
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CN108355830A (en
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张文军
张文彬
夏朝科
姚一帆
李伟明
罗顺发
雍伟
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00General arrangement of separating plant, e.g. flow sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B7/00Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage

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Abstract

A fine sand resource recovery system and process in a building stone mine tailing pond comprises tailing aggregate equipment, coarse separation equipment, slurry mixing equipment, silt classification equipment, fine sand dehydration equipment and fine silt concentration dehydration equipment; the tailing aggregate equipment is connected with the coarse separation equipment, the coarse separation equipment is connected with the slurry mixing equipment, the slurry mixing equipment is connected with the silt classification equipment, and the silt classification equipment is respectively connected with the fine sand dehydration equipment and the fine silt concentration dehydration equipment; the tailing aggregate equipment can extract and convey the silt in the tailing pond; the coarse isolation device can conduct coarse isolation treatment on the silt suspension liquid from the tailing aggregate device; the slurry mixing equipment can stir and adjust the mud-sand suspension after the coarse separation treatment; the mud-sand classifying equipment can classify and sort the mud-sand suspension after the slurry mixing, and the fine sand dehydrating equipment can dehydrate the classified fine sand suspension; the fine mud concentration and dehydration equipment can concentrate and dehydrate the classified fine mud suspension. Fine sand resources in the stone mine tailing pond can be effectively recovered, and the comprehensive utilization rate of mine resources is improved.

Description

Fine sand resource recovery system and process in building stone mine tailing pond
Technical Field
The invention relates to a fine sand resource recovery system and a fine sand resource recovery process, in particular to a fine sand resource recovery system and a fine sand resource recovery process which are applicable to a building stone mine tailing pond for grading and recovering tailings.
Background
With the rapid development of the construction of the infrastructure in China, the consumption of the aggregate of the sand and the limit exploitation of the natural sand are greatly increased, and the demand and the duty ratio of the machine-made sand are continuously increased, so that the rapid development of the sand industry is promoted. In the development and utilization process of mineral resources, because of imperfect early process, part of fine sand resources are piled up in a tailing pond (accounting for 5-10%) in a tailing form, so that waste of the mineral resources and land resources is caused, and serious environmental and safety problems are brought; the fine sand resources mixed and silted in the tailing pond are recovered, so that the comprehensive recovery rate of mine resources is hopeful to be improved, the solid waste discharge amount is reduced, the piling space of solid waste of tailings is saved, and pollution caused by the tailings is avoided.
Disclosure of Invention
Technical problems: the invention aims to overcome the problems in the prior art and provide a fine sand resource recovery system and method in a building stone mine tailing pond, which have the advantages of simple structure, easy technical operation, flexible adjustment and low comprehensive cost.
The technical scheme is as follows: the invention relates to a fine sand resource recovery system in a building stone mine tailing pond, which comprises tailing aggregate equipment, coarse separation equipment, slurry mixing equipment, silt classification equipment, fine sand dehydration equipment and fine silt concentration dehydration equipment; the tailing aggregate equipment is connected with coarse isolation equipment, the coarse isolation equipment is connected with slurry mixing equipment, the slurry mixing equipment is connected with mud and sand classification equipment, and the mud and sand classification equipment is respectively connected with fine sand dehydration equipment and fine mud concentration dehydration equipment; the tailing aggregate equipment conveys circulating water, additional water and small circulation to a tailing pond aggregate point through a conveying pipeline, performs impact stirring on silt deposited in the tailing pond to form silt suspension, then conveys the silt suspension to a coarse separation equipment through a slurry pump, conveys the undersize silt suspension to a slurry mixing equipment for stirring and adjusting after coarse separation treatment, conveys the undersize silt suspension to a silt classification equipment for classification through a slurry pump after stirring uniformly and achieving the separation concentration, conveys the classified fine sand suspension to a fine sand dehydration equipment, conveys the dehydrated fine sand product to a product bin, conveys the classified fine silt suspension to a fine silt concentration dehydration equipment, and conveys the dehydrated fine silt product to the tailing pond.
The tailing aggregate equipment comprises a high-speed water jet device, a slurry pump and a conveying pipeline
The coarse separation equipment is a curved surface fixed strip slotted screen, and the aperture diameter of the screen hole is 3mm.
The slurry mixing equipment comprises a stirring barrel, a concentration detector and a PLC controller, wherein the concentration detector and the PLC controller are arranged in the stirring barrel.
The mud and sand classifying equipment is a spiral separator.
The fine sand dehydration equipment is a high-frequency screen or an arc screen.
The fine mud concentrating and dehydrating equipment comprises a thickener, a slurry pump connected with the thickener and a filter press arranged below the slurry pump, wherein the underflow of the thickener is conveyed to the filter press through the slurry pump for filter pressing and dehydration.
The fine sand resource recovery process in the building stone tailing pond of the system is implemented: adopting tailing aggregate equipment to extract and convey a silt mixture in a tailing pond, and setting a small circulation to perform water jet impact stirring on tailings at an aggregate point, so that a silt suspension is in a suspension state, and extraction and conveying are facilitated; the mud-sand suspension is pumped by a slurry pump and conveyed to a coarse separation device for coarse separation treatment, so that the particle size of solids entering the slurry mixing device is smaller than 3mm, the oversize products of the coarse separation device are coarse particles and impurities, and the undersize is conveyed to the slurry mixing device for stirring and slurry mixing so as to obtain the concentration of materials suitable for separation, wherein the mass concentration of the solids in the slurry mixing device is 25-30%; conveying the suspension from the slurry mixing equipment to mud and sand classification equipment for mud and sand classification, separating mud and sand to form fine mud suspension and fine sand suspension, and conveying the fine sand suspension to fine sand dehydration equipment for dehydration to obtain fine sand products; and conveying the fine mud suspension and undersize water of the fine sand dehydration equipment to a fine mud concentration dehydration equipment for concentration and filter pressing dehydration to obtain a fine mud product.
Part of the silt suspension liquid in the tailing aggregate process is pressurized by a jet nozzle through a shunt pipe and then circulated back to an aggregate point, so that the effects of impacting and stirring the aggregate point and depositing silt are achieved.
The beneficial effects are that: by adopting the technical scheme, the invention consists of tailing aggregate equipment, coarse separation equipment, slurry mixing equipment, silt classification equipment, fine sand dehydration equipment and fine silt concentration dehydration equipment. The tailing aggregate equipment is used for extracting and conveying the silt mixture; the coarse isolation device is used for carrying out coarse isolation treatment on the silt suspension; the slurry mixing equipment is used for stirring and mixing the silt suspension, detecting the silt suspension through the concentration detector and adjusting and controlling the concentration of the silt suspension through the PLC controller so as to obtain the concentration of a material suitable for sorting; the silt classification equipment is used for classifying the silt suspension liquid to classify fine sand products from the silt suspension liquid; the fine sand dehydration equipment is used for dehydrating the fine sand suspension obtained by classification; the fine mud concentration and dehydration equipment is used for concentrating and dehydrating the classified fine mud suspension. The spiral separator is adopted to realize the separation of mud and sand, the sand taking, grading and dehydration of the tailing pond are realized, fine sand in stone tailings is recovered, the resource waste is avoided, the economic benefit and the resource benefit are improved, the tailings in the tailing pond can be further graded, the fine sand carried in the tailings is graded out and recovered, the comprehensive utilization rate of mine resources can be effectively improved, the operating pressure of the tailing pond is reduced, and the economic benefit is improved. And has the advantages of simple process structure, flexible adjustment, low comprehensive cost and the like.
Drawings
FIG. 1 is a schematic diagram of a fine sand resource recovery system in a building stone mine tailing pond according to the present invention.
In the figure: 1-slurry pump, 2-curved surface fixed strip slotted screen, 3-stirring barrel, 4-spiral separator, 5-high frequency screen, 6-thickener and filter press.
Detailed Description
The invention is further described below with reference to examples of embodiments in the accompanying drawings:
The invention relates to a fine sand resource recovery system in a building stone mine tailing pond, which comprises tailing aggregate equipment 1, coarse separation equipment 2, slurry mixing equipment 3, silt classification equipment 4, fine sand dehydration equipment 5 and fine mud concentration dehydration equipment 6; the tailing aggregate equipment 1 is connected with the coarse isolation equipment 2, the coarse isolation equipment 2 is connected with the slurry mixing equipment 3, the slurry mixing equipment 3 is connected with the silt classification equipment 4, and the silt classification equipment 4 is respectively connected with the fine sand dehydration equipment 5 and the fine silt concentration dehydration equipment 6; the tailing aggregate equipment 1 comprises a high-speed water jet device, a slurry pump and a conveying pipeline, circulating water, additional water and small circulation are conveyed to an aggregate point of a tailing pond through the conveying pipeline by the high-speed water jet device, the small circulation is sediment suspension pumped by the slurry pump, the sediment suspension is regulated in the conveying pipeline through a valve, and a part of the sediment suspension is returned to the aggregate point for impact stirring, so that the effect of regulating flow is achieved. The tailing pond aggregate point is used for carrying out impact stirring on silt in the tailing pond to form silt suspension, then the silt suspension is pumped and conveyed to coarse separation equipment 2 through a slurry pump, the coarse separation equipment 2 is a curved surface fixed strip slotted screen, the aperture of a screen hole is 3mm, after coarse separation treatment by the coarse separation equipment 2, the undersize silt suspension is conveyed to a slurry mixing equipment 3 for stirring and adjustment, and the slurry mixing equipment 3 comprises a stirring barrel, a concentration detector and a PLC (programmable logic controller). The mud and sand suspension is conveyed into a stirring barrel, detected by a concentration detector, and when the concentration of the mud and sand suspension is larger than a set value, a PLC controller controls a valve to increase the water supplementing amount to reduce the concentration of the mud and sand suspension; when the concentration of the silt suspension is smaller than the set value, the PLC controller controls the valve to reduce the additional water quantity to increase the concentration of the silt suspension. The slurry mixing equipment 3 is evenly stirred and reaches the sorting concentration, and then is conveyed to the mud and sand classifying equipment 4 for classification through a slurry pump, and the mud and sand classifying equipment 4 is a spiral sorting machine. The fine sand suspension after classification by the spiral separator is conveyed to fine sand dewatering equipment 5, and the fine sand dewatering equipment 5 is a high-frequency screen or an arc screen. The dehydrated fine sand product is conveyed to a product bin, the classified fine mud suspension is conveyed to a fine mud concentration and dehydration device 6, the fine mud concentration and dehydration device 6 comprises a thickener, a slurry pump connected with the thickener and a filter press arranged below the slurry pump, and the underflow of the thickener is conveyed to the filter press for filter pressing and dehydration through the slurry pump. And conveying the dehydrated fine mud product to a tailing pond.
The tailing aggregate equipment 1 is used for extracting and conveying a silt mixture in a tailing pond, is provided with a small circulation for carrying out water jet impact stirring on the silt mixture at an aggregate point, so that the silt mixture is in a suspension state and is convenient to extract and convey, and is composed of a high-speed water jet device, a slurry pump and a slurry pipeline;
The coarse separation equipment 2 is used for performing coarse separation treatment on the silt suspension from the tailing aggregate equipment 1, meets the feeding upper limit requirement of subsequent classification equipment, and adopts a curved surface fixed slotted screen with screen holes of 3mm for the oversize material of coarse particles and sundries;
The slurry mixing equipment 3 is used for stirring and mixing the silt suspension from the coarse separation equipment 2 to obtain the concentration of materials suitable for separation, and the mass concentration of the silt suspension is automatically adjusted through the concentration detector and the PLC;
The mud and sand classifying equipment 4 is used for classifying the mud and sand suspension liquid from the slurry mixing equipment 3 according to the granularity, so as to realize the purpose of mud and sand separation, and is a spiral separator, wherein the feeding concentration of the mud and sand classifying equipment is 25-30wt%;
the fine sand dehydration equipment 5 is used for dehydrating the fine sand suspension liquid from the silt classification equipment 4 to obtain fine sand products with water meeting the requirements, and is a high-frequency screen;
The fine mud concentrating and dehydrating device 6 is used for concentrating and dehydrating the fine mud suspension from the mud sand classifying device 4, and the fine mud concentrating and dehydrating device is a concentrator and a filter press.
The fine sand resource recovery process in the building stone mine tailing pond comprises the following steps of: the tailings aggregate equipment 1 is adopted to extract and convey the silt mixture in the tailings pond, and small circulation is arranged to perform water jet impact stirring on tailings at an aggregate point, so that the silt suspension is in a suspension state, and extraction and conveying are facilitated; the mud-sand suspension is pumped and conveyed to a coarse separation device 2 through a slurry pump to perform coarse separation treatment, so that the particle size of solids entering a slurry mixing device 3 is smaller than 3mm, the influence of large-particle materials on the classification effect of a mud-sand classification device 4 can be effectively reduced, the oversize materials of the coarse separation device are coarse particles and impurities, the undersize materials are conveyed to the slurry mixing device 3 to be stirred and mixed so as to obtain the concentration of the materials suitable for separation, and the mass concentration of the solids in the slurry mixing device is 25-30%; the mud-sand mixture reaches the feeding concentration suitable for sorting by the mud-sand sorting equipment 4 after being subjected to size mixing by the size mixing equipment 3, so that the sorting effect and the economic benefit are improved; the suspension from the slurry mixing equipment 3 is conveyed to a silt classification equipment 4 for silt and sand classification, fine silt suspension and fine sand suspension are formed after the silt and sand are separated, and the fine sand suspension is conveyed to a fine sand dehydration equipment 5 for dehydration to obtain a fine sand product; and conveying the fine mud suspension and undersize water of the fine sand dehydration equipment 5 to a fine mud concentration dehydration equipment 6 for concentration and filter pressing dehydration to obtain a fine mud product. Part of the silt suspension liquid in the tailing aggregate process is pressurized by a jet nozzle through a shunt pipe and then circulated back to an aggregate point, so that the effects of impacting and stirring the aggregate point and depositing silt are achieved. The fine sand dehydration equipment 5 can dehydrate the fine sand suspension liquid from the silt classification equipment 4 to obtain fine sand products with water meeting the requirements; the fine mud concentration and dehydration device 6 is used to concentrate and dehydrate the fine mud suspension from the mud and sand classification device 4.
The oversize material treated by the coarse separation equipment 2 is coarse particles and sundries, undersize suspension is conveyed to a stirring barrel, the concentration of the silt suspension is controlled by detecting the concentration of the undersize suspension by a concentration detector and adjusting the water supplement by a PLC (programmable logic controller), when the detection concentration is higher, the concentration is reduced by adding the water supplement by the controller, and when the detection concentration is lower, the concentration is increased by reducing the water supplement by the controller; the slurry flows into a spiral separator through a conveying pipeline after being uniformly mixed, the concentration of the feed is 25-30wt%, so that the classification effect is ensured, the slurry flows from top to bottom along the spiral surface after being fed from the upper part, layering occurs in the flowing process along the groove, finally, the slurry is separated at the tail end of the spiral, fine sand and fine mud containing particles with different particle sizes are obtained by shunting under the action of a interceptor, and the angle of the interceptor can be freely adjusted according to the granularity of the product; the fine sand suspension flows into a high-frequency screen through a pipeline to be dehydrated, undersize flow is conveyed to a thickener, the dehydrated fine sand product is conveyed to a product bin by a belt conveyor, the fine mud suspension is concentrated by the thickener and then is pumped into a filter press to be subjected to filter pressing and dehydration by a slurry pump, the filtrate of the filter press is conveyed to a stirring barrel, and the dehydrated fine mud product is conveyed to a tailing pond to be piled up.

Claims (2)

1. A fine sand resource recovery system in a building stone mine tailing pond is characterized in that: the device comprises tailing aggregate equipment (1), coarse isolation equipment (2), slurry mixing equipment (3), silt classifying equipment (4), fine sand dewatering equipment (5) and fine silt concentrating and dewatering equipment (6); the tailing aggregate equipment (1) is connected with the coarse isolation equipment (2), the coarse isolation equipment (2) is connected with the slurry mixing equipment (3), the slurry mixing equipment (3) is connected with the silt classification equipment (4), and the silt classification equipment (4) is respectively connected with the fine sand dehydration equipment (5) and the fine silt concentration dehydration equipment (6); the tailing aggregate equipment (1) comprises a high-speed water jet device, a slurry pump and a conveying pipeline, wherein the tailing aggregate equipment (1) conveys circulating water, additional water and small circulation to a tailing pond aggregate point through the conveying pipeline, the small circulation is silt suspension pumped by the slurry pump, the silt suspension is regulated by a valve in the conveying pipeline, and a part of silt suspension returns to the aggregate point for impact stirring and plays a role in regulating flow; the method comprises the steps that a tailing pond aggregate point performs impact stirring on silt deposited in the tailing pond to form silt suspension, and then the silt suspension is pumped and conveyed to coarse isolation equipment (2) through a slurry pump, wherein the coarse isolation equipment (2) is a curved surface fixed strip slotted screen, and the aperture of a screen hole is 3mm; after coarse isolation treatment by a coarse isolation device (2), delivering undersize silt suspension to a slurry mixing device (3) for stirring and adjusting, wherein the slurry mixing device (3) comprises a stirring barrel, a concentration detector and a PLC (programmable logic controller) which are arranged in the stirring barrel, delivering the silt suspension to the stirring barrel, detecting by the concentration detector, and controlling a valve by the PLC when the concentration of the silt suspension is greater than a set value, and increasing the water supplementing quantity to reduce the concentration of the silt suspension; when the concentration of the silt suspension is smaller than a set value, the PLC controller controls the valve to reduce the additional water quantity to increase the concentration of the silt suspension; the slurry mixing equipment (3) is uniformly stirred and reaches the separation concentration, and then is conveyed to the mud and sand classification equipment (4) for classification through a slurry pump, wherein the mud and sand classification equipment (4) is a spiral separator; the fine sand suspension after classification by the spiral separator is conveyed to fine sand dehydration equipment (5), and the fine sand dehydration equipment (5) is a high-frequency screen or an arc screen; the fine mud concentration and dehydration equipment (6) comprises a thickener, a slurry pump connected with the thickener and a filter press arranged below the slurry pump, wherein the underflow of the thickener is conveyed to the filter press through the slurry pump for filter pressing and dehydration; the dehydrated fine sand product is conveyed to a product bin, the classified fine mud suspension is conveyed to a fine mud concentration and dehydration device (6), and the dehydrated fine mud product is conveyed to a tailing pond.
2. A process for recovering fine sand resources in a building stone mine tailing pond for implementing the system of claim 1, which is characterized in that: adopting tailing aggregate equipment (1) to extract and convey a silt mixture in a tailing pond, and setting a small circulation to perform water jet impact stirring on tailings at an aggregate point, so that a silt suspension is in a suspension state, and extraction and conveying are facilitated; the mud-sand suspension is pumped and conveyed to a coarse isolation device (2) through a slurry pump for coarse isolation treatment, so that the particle size of solids entering the slurry mixing device (3) is smaller than 3mm, the oversize products of the coarse isolation device are coarse particles and impurities, the undersize flow is conveyed to the slurry mixing device (3) for stirring and mixing, the oversize products of the coarse particles and impurities after being treated by the coarse isolation device (2), the undersize suspension is conveyed to a stirring barrel, the concentration of the mud-sand suspension is controlled by detecting through a concentration detector and adjusting the supplementing water through a PLC controller, when the detection concentration is higher, the concentration is reduced by adding the supplementing water through the controller, and when the detection concentration is lower, the concentration is increased by reducing the supplementing water through the controller; after uniform size mixing, the slurry flows into a spiral separator through a conveying pipeline to obtain the concentration of materials suitable for separation, wherein the mass concentration of solids in size mixing equipment is 25-30%; conveying the suspension from the slurry mixing equipment (3) to a silt classifying equipment (4) for classifying silt and sand, separating the silt to form fine silt suspension and fine sand suspension, and conveying the fine sand suspension to a fine sand dehydrating equipment (5) for dehydrating to obtain a fine sand product; conveying the fine mud suspension and undersize water of the fine sand dehydration equipment (5) to a fine mud concentration dehydration equipment (6) for concentration and filter pressing dehydration to obtain a fine mud product; part of the silt suspension liquid is pressurized by a jet nozzle through a shunt pipe and then circulated back to an aggregate point in the tailing aggregate process, so that the effects of impacting and stirring the aggregate point to deposit silt are achieved; the fine sand dehydration equipment (5) dehydrates the fine sand suspension liquid from the mud sand classification equipment (4) to obtain a fine sand product with water content meeting the requirement; the fine mud concentration and dehydration device (6) is used for concentrating and dehydrating the fine mud suspension from the mud sand classification device (4).
CN201810189667.9A 2018-03-08 2018-03-08 Fine sand resource recovery system and process in building stone mine tailing pond Active CN108355830B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114455893B (en) * 2022-01-27 2023-06-09 中国地质科学院矿产综合利用研究所 Method for treating pollution of electrolytic manganese slag tailing pond by cementing controlled release

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1039005A (en) * 1988-06-16 1990-01-24 国际壳牌研究有限公司 The medium temperature hydrolyzation device
RU2185889C2 (en) * 2000-05-25 2002-07-27 Институт горного дела Севера СО РАН Mobile ore concentrating module complex
JP2004097873A (en) * 2002-09-05 2004-04-02 Penta Ocean Constr Co Ltd Classification method for dredged earth and sand
CN101708480A (en) * 2008-10-13 2010-05-19 鞍钢集团矿业公司 Mineral separation process for tailing extraction building sands and mineral separation equipment
CN101961674A (en) * 2010-11-02 2011-02-02 葛洲坝集团第五工程有限公司 Method for grading and utilizing waste material of sandstone system production
CN102225356A (en) * 2011-04-20 2011-10-26 吉林吉恩镍业股份有限公司 Ore-dressing method for recovering nickel from ore-washing slurry of copper-nickel sulfide ore
CN102351183A (en) * 2011-07-11 2012-02-15 高德耀 Method for recovering polysilicon from by-product from silicon chip cutting processing
CN102527499A (en) * 2012-01-12 2012-07-04 中国矿业大学 Gravity classification and immersive screen combined classifying method and device utilizing same
CN103301933A (en) * 2013-06-26 2013-09-18 南京梅山冶金发展有限公司 Comprehensive tailing utilizing technology
CN103301679A (en) * 2013-06-26 2013-09-18 南京梅山冶金发展有限公司 Tailing dewatering method
CN103769312A (en) * 2014-01-09 2014-05-07 广东华隧建设股份有限公司 Construction method for processing and recycling slurry shield muck
CN103816992A (en) * 2014-03-26 2014-05-28 威海市海王旋流器有限公司 Coarse slime dense medium sorting technology and system
CN106492501A (en) * 2016-10-10 2017-03-15 王芹 A kind of single-stage segregation apparatuss and its method and purposes for animal-plant material
CN208177649U (en) * 2018-03-08 2018-12-04 中国矿业大学 A kind of fine sand resource recovering system built in stone ore Tailings Dam

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1039005A (en) * 1988-06-16 1990-01-24 国际壳牌研究有限公司 The medium temperature hydrolyzation device
RU2185889C2 (en) * 2000-05-25 2002-07-27 Институт горного дела Севера СО РАН Mobile ore concentrating module complex
JP2004097873A (en) * 2002-09-05 2004-04-02 Penta Ocean Constr Co Ltd Classification method for dredged earth and sand
CN101708480A (en) * 2008-10-13 2010-05-19 鞍钢集团矿业公司 Mineral separation process for tailing extraction building sands and mineral separation equipment
CN101961674A (en) * 2010-11-02 2011-02-02 葛洲坝集团第五工程有限公司 Method for grading and utilizing waste material of sandstone system production
CN102225356A (en) * 2011-04-20 2011-10-26 吉林吉恩镍业股份有限公司 Ore-dressing method for recovering nickel from ore-washing slurry of copper-nickel sulfide ore
CN102351183A (en) * 2011-07-11 2012-02-15 高德耀 Method for recovering polysilicon from by-product from silicon chip cutting processing
CN102527499A (en) * 2012-01-12 2012-07-04 中国矿业大学 Gravity classification and immersive screen combined classifying method and device utilizing same
CN103301933A (en) * 2013-06-26 2013-09-18 南京梅山冶金发展有限公司 Comprehensive tailing utilizing technology
CN103301679A (en) * 2013-06-26 2013-09-18 南京梅山冶金发展有限公司 Tailing dewatering method
CN103769312A (en) * 2014-01-09 2014-05-07 广东华隧建设股份有限公司 Construction method for processing and recycling slurry shield muck
CN103816992A (en) * 2014-03-26 2014-05-28 威海市海王旋流器有限公司 Coarse slime dense medium sorting technology and system
CN106492501A (en) * 2016-10-10 2017-03-15 王芹 A kind of single-stage segregation apparatuss and its method and purposes for animal-plant material
CN208177649U (en) * 2018-03-08 2018-12-04 中国矿业大学 A kind of fine sand resource recovering system built in stone ore Tailings Dam

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