CN105921261B - A kind of super low-grade vanadium titano-magnetite utilization system and its utilize method - Google Patents

A kind of super low-grade vanadium titano-magnetite utilization system and its utilize method Download PDF

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CN105921261B
CN105921261B CN201610530557.5A CN201610530557A CN105921261B CN 105921261 B CN105921261 B CN 105921261B CN 201610530557 A CN201610530557 A CN 201610530557A CN 105921261 B CN105921261 B CN 105921261B
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workshop
ore
magnetic separator
separation
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CN105921261A (en
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马玄恒
黄晓毅
杨平伟
王刚
罗小新
付碧峰
陈晓博
郑卫琳
卢星
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SHAANXI METALLURGICAL DESIGN RESEARCH INSTITUTE CO LTD
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SHAANXI METALLURGICAL DESIGN RESEARCH INSTITUTE CO LTD
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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

Abstract

The invention belongs to mineral resources comprehensive utilization technical fields, and in particular to a kind of super low-grade vanadium titano-magnetite utilization system and its utilize method, system includes crushing section, for ore to be carried out multiple stage crushing and is sieved;Dry separation workshop section, the ore for generating to two-stage crushing workshop section carry out dry separation processing;Ironworker's section is selected, the ore for generating to dry separation carries out ore grinding and magnetic separation processing, generates magnetite concentrate and magnetic tailing;Xuan Tai workshop section generates ilmenite concentrate for carrying out High gradient high intensity magnetic separation, the processing of sulphur reverse flotation to magnetic tailing;The present invention can effectively reduce production cost, improve the yield and quality and the rate of recovery of product, effectively improve economic benefit.

Description

A kind of super low-grade vanadium titano-magnetite utilization system and its utilize method
Technical field
The invention belongs to mineral resources comprehensive utilization technical fields, and in particular to a kind of super low-grade vanadium titano-magnetite is comprehensive Using system and its utilize method.
Background technique
The resource of China's vanadium titano-magnetite is mainly distributed the ground such as Sichuan, Hebei, Xinjiang, Shaanxi, and wherein vanadium, titanium are precious Expensive alloy material.Vanadium titano-magnetite is more metal composite mineral, and evaluation and exploration technology is more complicated, and the national sixties open Beginning research of technique, lasted for more than 30 years and after technological transformation big several times, built up using Panzhihua Iron and Steel Group as representative Vanadium titano-magnetite develops and uses base.With the fast development of national economy, using Panzhihua Region as the high-grade (TFe of representative 30%, V2O50.3%, TiO211%) resource of vanadium titano-magnetite is increasingly reduced and is petered out, and country encourages to develop low product Position vanadium titano-magnetite, advocates mineral resources saving and comprehensive utilization.But the recovery method of existing super low-grade vanadium titano-magnetite The rate of recovery is low, high production cost, invests big difficulty.
Summary of the invention
In view of the defects existing in the prior art and insufficient, the purpose of the present invention is to provide a kind of ultralow grade v-ti magnetites Mine utilization system and its utilize method.
To achieve the above object, the invention adopts the following technical scheme:
A kind of super low-grade vanadium titano-magnetite method of comprehensive utilization, comprising the following steps:
1) level-one is broken, has an opencast mining of to super low-grade vanadium titano-magnetite, and shaft bottom storehouse is arranged in mine factory bottom, Shaft bottom storehouse carries out coarse crushing to ore;Ore Transportation is using drop shaft and haulage tunnel mode;
2) two-stage crushing, the two-stage break process broken, fine crushing in dressing plant carries out the broken ore of level-one;
3) dry separation is handled, and carries out dry separation processing to the concentrate after fine crushing;
4) it selects iron to handle, obtains the magnet of Vanadium Concentrationin after carrying out secondary grinding, two stages of magnetic separation to dry separation treated concentrate Concentrate product, magnetic tailing, which enters, selects titanium process;
5) it selects titanium to handle, magnetic tailing is successively carried out to two sections of High gradient high intensity magnetic separations, sulphur reverse flotation, one roughing, secondary It scans, triple cleaning titanium, qualified ilmenite concentrate is obtained after filtration drying, tailing is sent to Tailings Dam.
Further, dry separation barren rock progress broken and classification processing again will be generated after step 3) dry separation processing.
Further, the Tailings utilization Tailing thickening pond that the step 4) and step 5) generate carries out concentration.
Further, collimation method heap builds Tailings Dam in the tailing use, and it includes: upstream face that the middle collimation method heap, which builds Tailings Dam, It is equipped with the compaction type enrockment initial dam of loaded filter, the compaction type enrockment initial dam downstream is provided with upstream face and is laid with loaded filter Enrockment drainage blocking dam;
The desilting zone fill dam bottom storehouse formed between the compaction type enrockment initial dam and enrockment drainage blocking dam is uniformly divided Several longitudinal drainage blind ditch are furnished with, are evenly distributed with several vertical drainage pipes, the desilting zone fill dam in the fill dam of desilting zone Slope ratio is 1:3.0.
A kind of super low-grade vanadium titano-magnetite utilization system, comprising:
Crushing section, for ore to be carried out multiple stage crushing and is sieved;
Dry separation workshop section, the ore for generating to two-stage crushing workshop section carry out dry separation processing;
Ironworker's section is selected, the ore for generating to dry separation carries out ore grinding and magnetic separation processing, generates magnetite concentrate and magnetic separation tail Mine;
Xuan Tai workshop section generates ilmenite concentrate for carrying out High gradient high intensity magnetic separation, the processing of sulphur reverse flotation to magnetic tailing.
Further, the crushing section includes that opencut station-service is arranged in mining and carries out rough and torn level-one to ore Crushing section, and dressing plant is set for carrying out screening and second level broken again to the ore that level-one crushing section generates Crushing section;
The level-one crushing section includes the shaft bottom storehouse that mine factory bottom is arranged in, and shaft bottom storehouse side is provided with feed Machine, the batcher are connect with the first crusher;
The two-stage crushing workshop section includes sequentially connected product storage bin, vibrating screen, the second crusher, banana screen and third The coarse fodder outlet of crusher, the vibrating screen is connect with the second crusher feed-inlet, the discharge port and banana screen of the second crusher Feed inlet connection, the banana screen coarse fodder outlet is connect with the feed inlet of third crusher, the discharge port of third crusher It is connected by the feed inlet of conveyer belt and banana screen;The fine material outlet of the vibrating screen and banana screen passes through conveyer belt and dry separation work Section connection;The discharge port of first crusher is connect by conveyer belt with vibrating screen.
Further, the dry separation workshop section includes dry separation surge bunker and box dry-dressing machine, the discharging of the dry separation surge bunker Mouth is connect with the feed inlet of box dry-dressing machine, and the fine fodder outlet of box dry-dressing machine is connect by conveyer belt with ore grinding workshop section.
Further, the barren rock outlet of the box dry-dressing machine connects barren rock processing system, institute by dry separation barren rock belt Stating barren rock processing system includes that the kibbler roll connecting with dry separation barren rock belt and is arranged in below oppositely rolling roller crusher Three-deck vibrating screen.
Further, the spiral point for selecting ironworker's section including sequentially connected vibrating feeder, with ball mill Grade device, level-one magnetic separator and secondary magnetic separation machine;The concentrate of the level-one magnetic separator and secondary magnetic separation machine exports and is provided with ball milling The feed inlet of the secondary grading device of machine connects;The fine material outlet of the secondary grading device is sequentially connected three-level magnetic separator and level Four magnetic Machine is selected, the tailing outlet of the three-level magnetic separator and level Four magnetic separator is connect with Xuan Tai workshop section, the concentrate outlet of level Four magnetic separator Connect the first disc filter;The tailing outlet of the secondary magnetic separation machine is connected with intensity magnetic separator, the concentrate of the intensity magnetic separator Outlet is connect with Xuan Tai workshop section, and tailing outlet is that Tailings Dam connects;The secondary grading device uses hydrocyclone.
Further, the Xuan Tai workshop section includes iron selection tailings mine-separating box, and the iron selection tailings mine-separating box is connected with several Drum sieve, the drum sieve are connected with level-one intensity magnetic separator, and level-one intensity magnetic separator connects once iron selection tailings concentration basin, described Iron selection tailings concentration basin downstream workshop section be connected in turn it is secondary except iron mine-separating box, second level intensity magnetic separator, secondary select iron tail Mine concentration basin, sulphur roughing stirred tank, the sulphur coarse classifier for sulphur removal flotation, titanium roughing stirring pool, for titanium rough floatation titanium it is thick Scavenger, titanium two-stage scan equipment, titanium three-level picking equipment, ilmenite concentrate concentration basin and the second disc filter;The drum sieve, one Grade intensity magnetic separator, second level intensity magnetic separator, sulphur coarse classifier, titanium two-stage scan the tailing outlet difference of equipment and titanium three-level picking equipment It is connect with Tailing thickening pond, the Tailing thickening pond is connected to Tailings Dam.
Compared with prior art, the invention has the following beneficial technical effects: method provided by the invention passes through first Super low-grade vanadium titano-magnetite is had an opencast mining of, and is carried out in situ in mine factory rough and torn, can be effectively reduced mining cost, and And can be avoided Secondary Transport, muck cost is reduced, is reduced environmental pollution, by broken and thin in dressing plant carries out ore It is broken, it can be improved the grade of selected dry separation stage ore, reduce the specific energy consumption of ore grinding.By dry separation, treated that concentrate selects Iron processing, obtains the magnetite concentrate product of Vanadium Concentrationin, and magnetic tailing is carried out titanium is selected to handle, finally obtains ilmenite concentrate;It can It is effective to improve product yield, quality and the rate of recovery, effectively improve economic benefit.
Further, it is handled by the way that dry separation barren rock is carried out broken and classification again, is capable of forming the building of size fractionated Building stones enrich the type of product, have accomplished the recycling of waste, improve the profit margin of enterprise.
Further, tailing disposal again after concentration is carried out to tailing by setting concentration basin, it can be by most of water It stays in and factory is selected to be recycled, the tailing pressure after concentration is only delivered to Tailings Dam, reduces power energy consumption.
Further, after tailing hydroclone classification, collimation method heap builds tailing in, can increase Tailings Dam service year Limit, makes limited channel resource be fully utilized.
System provided by the invention by setting crushing section to ore carry out multiple stage crushing, and to broken ore into Row screening process, using dry separation workshop section to broken ore carry out dry separation processing, using select ironworker section to dry separation workshop section generate Dry separation concentrate successively carry out the processing such as ore grinding and magnetic separation processing, generate magnetite concentrate and magnetic tailing, utilize Xuan Tai workshop section pair The magnetic tailing for selecting ironworker's section to generate carries out High gradient high intensity magnetic separation, the reason such as at sulphur reverse flotation, generates ilmenite concentrate.It is multistage by setting Processing, can effectively reduce production cost, improve the yield and quality and the rate of recovery of product, effectively improve economic benefit.
Further, by be arranged multiple stage crushing, and by level-one be crushed mining site carry out, can be effectively reduced muck at This, reduces environmental pollution.
Further, by the way that the barren rock after dry separation to be carried out to broken and screening process again, and classify to ore, do For construction material recycling, resource utilization is effectively improved, reduces the discharge of tailing, reduces environmental pollution.
Further, it by carrying out high-gradient magnetic separation and concentration twice in Xuan Tai workshop section, and carries out two-stage and scans and three-level It is selected, the product quality and yield of ilmenite concentrate can be effectively improved.
Further, by the way that Tailing thickening pond is arranged, water most in tailing can be stayed in and factory is selected to be recycled, only By after concentration tailing be sent into Tailings Dam, can be effectively reduced resource consumption, reduce environmental pollution, and reduce tailings transportation at This.
Detailed description of the invention
Fig. 1 is that present system constitutes block diagram.
Fig. 2 is level-one crushing section of the invention, two-stage crushing workshop section and dry separation workshop section structural schematic diagram.
Fig. 3 is that the present invention selects ironworker's section and Xuan Tai workshop section structural schematic diagram.
Fig. 4 is that collimation method heap builds Tailings Dam structural schematic diagram in the present invention.
Wherein: 1 is batcher;2 be the first crusher;3 be vibrating screen;4 be the second crusher;5 be banana screen;6 be Three crushers;7 be dry separation surge bunker;8 be box dry-dressing machine;9 be vibrating feeder;10 be a spiral classifier;11 be ball Grinding machine;12 be level-one magnetic separator;13 be secondary magnetic separation machine;14 be secondary grading device;15 be three-level magnetic separator;16 be level Four magnetic separation Machine;17 be intensity magnetic separator;18 be the first disc filter;19 be iron selection tailings mine-separating box;20 be drum sieve;21 be the strong magnetic of level-one Select machine;22 be iron selection tailings concentration basin;23 remove iron mine-separating box to be secondary;24 be second level intensity magnetic separator;25 be secondary iron selection tailings Concentration basin;26 be sulphur roughing stirred tank;27 be sulphur coarse classifier;28 be titanium roughing stirring pool;29 be titanium rougher;30 be titanium two-stage Scan equipment;31 be titanium three-level picking equipment;32 be ilmenite concentrate concentration basin;33 be the second disc filter;34 be dry separation barren rock Belt;35 be oppositely rolling roller crusher;36 be three-deck vibrating screen;37 be Tailing thickening pond;38 be Tailings Dam;39 be product storage bin; 40 be compaction type enrockment initial dam;41 be enrockment drainage blocking dam;42 be overflow area fill dam;43 be desilting zone fill dam;44 For loaded filter;45 be longitudinal drainage blind ditch;46 be vertical drainage pipe.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing.
Method provided by the invention the following steps are included:
1) level-one is broken, has an opencast mining of to super low-grade vanadium titano-magnetite, and shaft bottom storehouse is arranged in mine factory bottom, Shaft bottom storehouse carries out coarse crushing to ore;Ore Transportation is using drop shaft and haulage tunnel mode;
2) two-stage crushing, the two-stage break process broken, fine crushing in dressing plant carries out the broken ore of level-one;
3) dry separation is handled, and carries out dry separation processing to the concentrate after fine crushing;Dry separation barren rock is generated after dry separation processing to carry out again Broken and classification processing;
4) it selects iron to handle, obtains the magnet of Vanadium Concentrationin after carrying out secondary grinding, two stages of magnetic separation to dry separation treated concentrate Concentrate product, magnetic tailing, which enters, selects titanium process;
5) it selects titanium to handle, magnetic tailing is successively carried out to two sections of High gradient high intensity magnetic separations, sulphur reverse flotation, one roughing, secondary It scans, triple cleaning titanium, qualified ilmenite concentrate is obtained after filtration drying, after Tailings utilization Tailing thickening pond 37 carries out concentration It send to Tailings Dam 38;Tailing is after liquid cyclone classification processing, and collimation method heap builds Tailings Dam 38 in;Referring to fig. 4, in It includes: the compaction type enrockment initial dam that upstream face is equipped with loaded filter, the compaction type enrockment initial dam that collimation method heap, which builds Tailings Dam, Downstream is provided with the enrockment drainage blocking dam that upstream face is laid with loaded filter;The compaction type enrockment initial dam is blocked with enrockment drainage The desilting zone fill dam bottom storehouse formed between dam is evenly distributed with several longitudinal drainage blind ditch, is uniformly distributed in the fill dam of desilting zone There are several vertical drainage pipes, the desilting zone accumulation dam slope ratio is 1:3.0;40 upstream of compaction type enrockment initial dam forms overflow area Fill dam 42, the deposition beach gradient are 1.0%.
Referring to Fig. 1, system provided by the invention includes: crushing section, for ore to be carried out multiple stage crushing and is sieved Point;The crushing section include be arranged in opencut station-service in dig up mine and rough and torn level-one crushing section is carried out to ore, and Dressing plant is set for carrying out screening and two-stage crushing workshop section broken again to the ore that level-one crushing section generates;
Dry separation workshop section, the ore for generating to two-stage crushing workshop section carry out dry separation processing;
Ironworker's section is selected, the ore for generating to dry separation carries out ore grinding and magnetic separation processing, generates magnetite concentrate and magnetic separation tail Mine;
Xuan Tai workshop section generates ilmenite concentrate for carrying out High gradient high intensity magnetic separation, the processing of sulphur reverse flotation to magnetic tailing.
Referring to fig. 2, the level-one crushing section includes the shaft bottom storehouse that mine factory bottom is arranged in, the setting of shaft bottom storehouse side There is batcher 1, the batcher 1 is connect with the first crusher 2;
The two-stage crushing workshop section includes sequentially connected product storage bin 39, vibrating screen 3, the second crusher 4, banana screen 5 Coarse fodder outlet with third crusher 6, the vibrating screen 3 is connect with 4 feed inlet of the second crusher, the discharging of the second crusher 4 Mouth is connect with the feed inlet of banana screen 5, and the coarse fodder outlet of the banana screen 5 is connect with the feed inlet of third crusher 6, and third is broken The discharge port of broken machine is connect by conveyer belt with the feed inlet of banana screen 5;The fine material outlet of the vibrating screen 3 and banana screen 5 is logical Conveyer belt is crossed to connect with dry separation workshop section;The discharge port of first crusher 2 is connect by conveyer belt with vibrating screen 3.
The dry separation workshop section includes dry separation surge bunker 7 and box dry-dressing machine 8, the discharge port and case of the dry separation surge bunker 7 The feed inlet of formula dry-dressing machine 8 connects, and the fine fodder outlet of box dry-dressing machine 8 is connect by conveyer belt with ore grinding workshop section.
The barren rock outlet of the box dry-dressing machine 8 connects barren rock processing system, the barren rock by dry separation barren rock belt 34 Processing system includes that the oppositely rolling roller crusher 35 connecting with dry separation barren rock belt 34 and is arranged below oppositely rolling roller crusher 35 Three-deck vibrating screen 36.
It is described that ironworker's section is selected to include sequentially connected vibrating feeder 9, a spiral with ball mill 11 referring to such as 3 Clasfficiator 10, level-one magnetic separator 12 and secondary magnetic separation machine 13;The outlet of the concentrate of the level-one magnetic separator 12 and secondary magnetic separation machine 13 It is connect with the feed inlet for the secondary grading device 14 for being provided with ball mill 11;The fine material outlet of the secondary grading device 14 is sequentially connected Tailing outlet and the Xuan Tai workshop section of three-level magnetic separator 15 and level Four magnetic separator 16, the three-level magnetic separator 15 and level Four magnetic separator 16 Connection, the first disc filter 18 of concentrate outlet connection of level Four magnetic separator 16.The tailing of the secondary magnetic separation machine 13, which exports, to be connected It is connected to intensity magnetic separator 17, the concentrate outlet of the intensity magnetic separator 17 is connect with Xuan Tai workshop section, and tailing outlet is that Tailings Dam connects;Institute Secondary grading device 14 is stated using hydrocyclone.
The Xuan Tai workshop section includes iron selection tailings mine-separating box 19, and the iron selection tailings mine-separating box 19 is connected with several drum sieves 20, the drum sieve 20 is connected with level-one intensity magnetic separator 21, and level-one intensity magnetic separator 21 connects once iron selection tailings concentration basin 22, Iron selection tailings concentration basin 22 downstream workshop section be connected in turn it is secondary except iron mine-separating box 23, second level intensity magnetic separator 24, Secondary iron selection tailings concentration basin 25, the sulphur coarse classifier 27 for sulphur removal flotation, the titanium rougher 29 for titanium rough floatation, titanium two-stage Scan equipment 30, titanium three-level picking equipment 31, ilmenite concentrate concentration basin 32 and the second disc filter 33.The secondary iron selection tailings Sulphur roughing stirred tank 26 is provided between concentration basin 25 and sulphur rougher 27;It is set between the sulphur rougher 27 and titanium rougher 29 It is equipped with titanium roughing stirring pool 28.
The drum sieve 20, level-one intensity magnetic separator 21, second level intensity magnetic separator 24, sulphur coarse classifier 27, titanium two-stage scan equipment 30 and titanium three-level picking equipment 31 tailing outlet connect respectively with Tailing thickening pond 37, the Tailing thickening pond 37 is connected to tail Mine library 38.
Embodiment 1
Super 3,000,000 tons of low-grade vanadium titano-magnetite of embodiment year processing, raw ore Contents of Main Components are as follows: TFe 18%, V2O5 0.03%, TiO2 6%.
Process flow: opencast super low-grade vanadium titano-magnetite is slipped by ore pass to shaft bottom storehouse, by ultralow Grade vanadium titano-magnetite is had an opencast mining of, and can embody scale and benefit, mining cost is effectively reduced;And in Ore Transportation Using drop shaft and haulage tunnel mode, transportation cost can be effectively reduced.
Ore enters the first crusher 2 by batcher 1 and carries out single stage crushing, and broken ore passes through belt feeder from well Under be transported to dressing plant.Ore storage bin, batcher and crusher are set by drop shaft bottom, realizes the coarse crushing of ore on the spot, avoids two It is secondary to have bad luck, muck cost is reduced, is reduced environmental pollution.
Ore is transported to dressing plant, is transferred first to product storage bin by belt feeder, carries out one section of screening by vibrating screen 3, On sieve ore using the second crusher 4 carry out in it is broken, in broken product carry out carrying out two sections of screenings, ore on sieve by banana screen 5 Fine crushing, two sections of screenings of product return fine crushing are carried out by third crusher 6.One, two sections of screening undersizes are transported to dry after merging Select workshop.Ore is broken in, it is fine crushing after, then carry out the dry separation of ore, can be further improved selected grade, reduce ore grinding Specific energy consumption, so that realizing reduces cost.
For ore after box 8 dry separation of dry-dressing machine, dry separation concentrate enters the processing of ore grinding workshop section, and dry separation barren rock is broken using roll-type Broken machine 35 is broken sieved with three one-tenth vibrating screens 36 after, form four kinds of different products of granularity, sold as building stone.It is dry Select barren rock after reprocessing, the building stone for forming size fractionated is sold, and is enriched the type of product, has been accomplished waste again It utilizes, improves the profit margin of enterprise.
Dry separation concentrate first passes through ball mill 11 and carries out primary grinding, is carried out at classification by a spiral classifier 10 afterwards Reason, coarse granule return are regrinded, and fine grained passes sequentially through level-one magnetic separator 12 and secondary magnetic separation machine 13 and carries out a magnetic separation and secondary Magnetic separation, magnetic separation product pass through secondary grading device 14 again and carry out secondary grading, and coarse granule is regrinded by ball mill, and qualified grain size is successively Magnetic separation and four magnetic separation three times is carried out using three-level magnetic separator 15 and magnetic separator 16, magnetic tailing, which is delivered to, selects titanium workshop to handle, Magnetic separation product is final concentrate containing vanadium iron, is sold after the filtering of the first disc filter 18.
Magnetic tailing successively passes through level-one intensity magnetic separator 21, primary profound iron tailings concentration basin 22,24 and of second level intensity magnetic separator After secondary iron selection tailings concentration basin 25 carries out a high-gradient magnetic separation, primary concentration, secondary high-gradient magnetic separation and secondary concentration, benefit Sulphur removal flotation is carried out with sulphur coarse classifier 27, titanium rough floatation is carried out using titanium rougher 29 after sulphur removal, is then scanned using titanium two-stage The two-stage that equipment 30 and titanium three-level picking equipment 31 carry out titanium respectively is scanned selected with the three-level of titanium, and product is qualified titanium essence Mine is sold after the filtering of the second disc filter 33 and drying.
Tailing of titanium separation merges with iron selection tailings, after the filtering of 37 Tailing thickening of Tailing thickening pond, is delivered to 38 heap of Tailings Dam It deposits, thickening filtration clear water is recycled in dressing plant.
19,000,000 side of Tailings Dam storage capacity, collimation method heap builds tailing in.After tailing hydroclone classification, using middle line Method heap builds tailing, can increase the Tailings Dam length of service, and limited channel resource is made to be fully utilized.Tailings Dam clothes can be increased The business time limit 40%.Loaded filter is arranged in enrockment initial dam and enrockment blocking dam upstream, filters out fine particle protection environment, bottom storehouse row Row's infiltration ability of fill dam can be increased by seeping french drain and the vertical drainage pipe in sand setting area, reduced saturation, guaranteed Safety of Tailings Dam operation.
Obviously, above-described embodiment is just for the sake of clearly demonstrating examples of the invention, rather than implements to the present invention The restriction of mode.For those skilled in the art, other different forms can also be made on the basis of the above description Variation and variation.Any modification for being made all within the spirits and principles of the present invention, etc. he replace and improve etc., should all wrap Containing within the scope of protection of the claims of the present invention.

Claims (5)

1. a kind of super low-grade vanadium titano-magnetite utilization system characterized by comprising
Crushing section, for ore to be carried out multiple stage crushing and is sieved;The multiple stage crushing includes that level-one is crushed and two Grade is broken;
Dry separation workshop section, the ore for generating to two-stage crushing workshop section carry out dry separation processing;
Ironworker's section is selected, the ore for generating to dry separation carries out ore grinding and magnetic separation processing, generates magnetite concentrate and magnetic tailing;
Xuan Tai workshop section generates ilmenite concentrate for carrying out High gradient high intensity magnetic separation, the processing of sulphur reverse flotation to magnetic tailing;
The crushing section include be arranged in opencut station-service in dig up mine and rough and torn level-one crushing section is carried out to ore, and Dressing plant is set for carrying out screening and two-stage crushing workshop section broken again to the ore that level-one crushing section generates;
The level-one crushing section includes the shaft bottom storehouse that mine factory bottom is arranged in, and shaft bottom storehouse side is provided with batcher (1), The batcher (1) connect with the first crusher (2);
The two-stage crushing workshop section includes sequentially connected product storage bin (39), vibrating screen (3), the second crusher (4), banana screen (5) it is connect with third crusher (6), the coarse fodder outlet of the vibrating screen (3) with the second crusher (4) feed inlet, second is broken The discharge port of machine (4) is connect with the feed inlet of banana screen (5), coarse fodder outlet and third crusher (6) of the banana screen (5) The discharge port of feed inlet connection, third crusher is connect by conveyer belt with the feed inlet of banana screen (5);The vibrating screen (3) It is connect by conveyer belt with dry separation workshop section with the fine material outlet of banana screen (5);The discharge port of first crusher (2) passes through biography Band is sent to connect with vibrating screen (3).
2. a kind of super low-grade vanadium titano-magnetite utilization system according to claim 1, which is characterized in that described dry Selecting workshop section includes dry separation surge bunker (7) and box dry-dressing machine (8), the discharge port and box dry-dressing machine of the dry separation surge bunker (7) (8) the fine fodder outlet of feed inlet connection, box dry-dressing machine (8) is connect by conveyer belt with ore grinding workshop section.
3. a kind of super low-grade vanadium titano-magnetite utilization system according to claim 2, which is characterized in that the case The barren rock outlet of formula dry-dressing machine (8) connects barren rock processing system, the barren rock processing system packet by dry separation barren rock belt (34) The kibbler roll (35) connecting with dry separation barren rock belt (34) is included, and three layers of vibration being arranged below oppositely rolling roller crusher (35) Dynamic sieve (36).
4. a kind of super low-grade vanadium titano-magnetite utilization system according to claim 1, which is characterized in that the choosing Ironworker's section includes sequentially connected vibrating feeder (9), spiral classifier (10), a level-one magnetic separation for having ball mill (11) Machine (12) and secondary magnetic separation machine (13);The concentrate of the level-one magnetic separator (12) and secondary magnetic separation machine (13) exports and is provided with ball The feed inlet of the secondary grading device (14) of grinding machine (11) connects;The fine material outlet of the secondary grading device (14) is sequentially connected three-level The tailing of magnetic separator (15) and level Four magnetic separator (16), the three-level magnetic separator (15) and level Four magnetic separator (16) exports and selects titanium Workshop section's connection, the concentrate outlet connection the first disc filter (18) of level Four magnetic separator (16);The secondary magnetic separation machine (13) Tailing outlet is connected with intensity magnetic separator (17), and the concentrate outlet of the intensity magnetic separator (17) is connect with Xuan Tai workshop section, intensity magnetic separator (17) tailing outlet is connect with Tailings Dam;The secondary grading device (14) uses hydrocyclone.
5. a kind of super low-grade vanadium titano-magnetite utilization system according to claim 3, which is characterized in that the choosing Titanium workshop section includes iron selection tailings mine-separating box (19), and the iron selection tailings mine-separating box (19) is connected with several drum sieves (20), described Drum sieve (20) is connected with level-one intensity magnetic separator (21), and level-one intensity magnetic separator (21) connects once iron selection tailings concentration basin (22), an iron selection tailings concentration basin (22) downstream workshop section be connected in turn it is secondary except iron mine-separating box (23), second level are strong Magnetic separator (24), secondary iron selection tailings concentration basin (25), sulphur roughing stirred tank (26), the sulphur coarse classifier for sulphur removal flotation (27), titanium roughing stirring pool (28), scan for the titanium rougher (29) of titanium rough floatation, titanium two-stage equipment (30), titanium three-level essence Optional equipment (31), ilmenite concentrate concentration basin (32) and the second disc filter (33);The drum sieve (20), level-one intensity magnetic separator (21), second level intensity magnetic separator (24), sulphur coarse classifier (27), titanium two-stage scan the tail of equipment (30) and titanium three-level picking equipment (31) Mine outlet is connect with Tailing thickening pond (37) respectively, and the Tailing thickening pond (37) is connected to Tailings Dam (38).
CN201610530557.5A 2016-07-06 2016-07-06 A kind of super low-grade vanadium titano-magnetite utilization system and its utilize method Active CN105921261B (en)

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