CN105921260A - Multi-metal recovering system and method for molybdenum ore - Google Patents

Multi-metal recovering system and method for molybdenum ore Download PDF

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Publication number
CN105921260A
CN105921260A CN201610328086.XA CN201610328086A CN105921260A CN 105921260 A CN105921260 A CN 105921260A CN 201610328086 A CN201610328086 A CN 201610328086A CN 105921260 A CN105921260 A CN 105921260A
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flotation
lead
molybdenum
outlet
import
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CN105921260B (en
Inventor
宋玉芳
胡忠城
刘矫健
付鑫盛
赵文贵
陈军其
郭兴旺
王�华
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Inner Mongolia Guocheng Industrial Co., Ltd
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INNER MONGOLIA ZHONGXI MINING Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION 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
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION 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
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets

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Abstract

The invention discloses a multi-metal recovering system and method for molybdenum ore. The system comprises a rough grinding machine, a roughing flotation column, a thickener I, a scavenging flotation device, a regrinding machine, a preconcentration flotation column, a separation flotation column, a molybdenum concentration flotation device, a thickener II, a lead roughing flotation machine, a lead concentration flotation machine, a lead scavenging flotation device and a dosing tank. The method comprises steps as follows: (1) rough grinding of raw ore; (2) roughing by the aid of the roughing flotation column; (3) scavenging by the aid of the scavenging flotation device; (4) reagent removal and regrinding; (5) preconcentration of molybdenum and lead ore pulp; (6) separation flotation of molybdenum and lead; (7) concentration of the molybdenum; (8) roughing flotation of the lead; (9) concentration flotation of the lead; (10) scavenging flotation of the lead. The recovering system and method have the advantages as follows: lead metal in molybdenum ore flotation is recovered, the recovery rate of metal resources is increased, the production cost is reduced, the economic benefit of an enterprise is increased, and the output value being about thirty million yuan can be additionally created for the enterprise each year; the loss of the heavy metal, namely, the lead, can be reduced, and environmental pollution can be prevented.

Description

A kind of molybdenum ore many metal recovery system and recovery method
Technical field:
The present invention relates to a kind of many metal recovery system and recovery method, particularly relate to a kind of molybdenum Ore deposit many metal recovery system and recovery method.
Background technology:
Molybdenum is applied widely in metallurgical industry, and molybdenum in China ore resources reserves occupy the world One, but be substantially many metals symbiosis ore bodies such as molybdenum ore and lead, lead when the flotation of molybdenum, Easily it is enriched in molybdenum concntrate, and the quality of molybdenum concntrate is affected very by the polymetallic content such as lead Greatly, bring great difficulty therefore to sorting of molybdenum ore.
At present, repressed lead is not typically reclaimed by most molybdenum ore ore dressing plants, but enters tail Among ore deposit (existing mature technology), or it is mixed in molybdenum concntrate product, therefore, causes mineral products to provide The significant wastage in source, increases production cost, if lead tolerance is greatly, can cause groundwater environment Pollute.If be mixed in molybdenum concntrate product, in molybdenum concntrate smelting process, produce poisonous lead Air and environment are caused serious harm by oxide.
During leaded molybdenum ore sorts, due to the floatability almost phase of floatability and the molybdenum of lead With, therefore molybdenum is extremely difficult with lead separates, and causes molybdenum recovery low, thus causes mineral resources Significant wastage.
Summary of the invention:
First purpose of the present invention is to provide a kind of molybdenum ore that can be separated with lead by molybdenum how golden Belong to recovery system.
Second object of the present invention is to provide a kind of molybdenum ore that can be separated with lead by molybdenum how golden Belong to recovery method.
First purpose of the present invention is implemented by following technical scheme: a kind of many metal recovery of molybdenum ore System, it includes kibbling mill, roughly selects flotation column, concentrator I, scans flotation unit, regrinds Machine, preconcentration flotation column, separating flotation post, the selected flotation unit of molybdenum, concentrator II, lead are thick The selected flotation unit of flotation device, lead, lead is selected to scan flotation unit, dosing tank；Described kibbling mill Thick slurry outlet be connected with the described import roughly selecting flotation column, described in roughly select the molybdenum lead of flotation column Slurry outlet is connected with the ore pulp import of described concentrator I, described in roughly select many metals of flotation column Mine tailing slurry outlet is connected with the described ore pulp import scanning flotation unit, described in scan flotation dress The wulfenite slurry outlet put is connected with the described import roughly selecting flotation column；Going out of described concentrator I Mouthful is connected with described machine import of regrinding, described in machine of regrinding export and the ore deposit of described preconcentration flotation column Slurry inlet connect, the molybdenum lead preconcentration slurry outlet of described preconcentration flotation column with described separate floating The ore pulp import selecting post connects, the preconcentration mine tailing slurry outlet of described preconcentration flotation column and institute State and roughly select flotation column import connection；The rough slurry outlet of molybdenum of described separating flotation post and described molybdenum Selected flotation unit ore pulp import connects, the rough slurry outlet of lead of described separating flotation post and institute State concentrator II import to connect；The molybdic tailing slurry outlet of the selected flotation unit of described molybdenum is with described The ore pulp import of separating flotation post connects；The outlet of described concentrator II roughly selects flotation device import with lead Connect；Described lead roughly selects the rough slurry outlet of lead and the selected flotation unit of described lead of flotation device Ore pulp import connects, and described lead is roughly selected the mine tailing slurry outlet of flotation device and scanned flotation with described lead The ore pulp import of device connects；The lead slurry outlet that described lead scans flotation unit is thick with described lead The ore pulp import selecting flotation device connects；Mine tailing outlet and the described lead of the selected flotation unit of described lead The ore pulp import roughly selecting flotation device connects；Described dosing tank is provided with mash acid alkalinity regulator and goes out Mouth, many metals collecting agent export, de-agent outlet, lead inhibitor export, copper deactivator exports, Kerosene outlet, the outlet of 2# oil export, lead collecting agent and copper sulfate outlet；Mash acid alkalinity regulates Agent outlet respectively with the dosing mouth of described kibbling mill, the dosing mouth of described separating flotation post and described The dosing mouth of concentrator II 9 connects；Described many metals collecting agent outlet respectively with described roughly select floating The dosing mouth of post and the described dosing mouth scanning flotation unit is selected to connect；Described de-agent outlet with The dosing mouth of described concentrator I connects；Described lead inhibitor outlet respectively with described separating flotation The dosing mouth of post and the dosing mouth of the selected flotation unit of described molybdenum connect；Described copper deactivator exports Connect with the dosing mouth of described separating flotation post and the dosing mouth of the selected flotation unit of described molybdenum respectively Connect；Described kerosene outlet respectively with the dosing mouth of described separating flotation post, the selected flotation of described molybdenum The dosing mouth of device and the dosing mouth of described preconcentration flotation column connect；Described 2# oil export divides Not with the dosing mouth of the selected flotation unit of described molybdenum, the dosing mouth of described separating flotation post 7 and institute The dosing mouth stating preconcentration flotation column connects；The outlet of described lead collecting agent is roughly selected with described lead respectively The dosing mouth of flotation device, the dosing mouth of the selected flotation unit of described lead and described lead scan flotation dress The dosing mouth put connects；The outlet of described copper sulfate is connected with the dosing mouth of concentrator II 9.
Concrete, described in scan flotation unit and include that once purging selection flotation device, secondary scan flotation Machine and three scavenging flotation machines, described in roughly select the thick mine tailing slurry outlet of flotation column with described once The ore pulp import of scavenging flotation machine connects, the concentrate pulp outlet of described once purging selection flotation device with The described import roughly selecting flotation column connects, and the mine tailing of described once purging selection flotation device exports with described The import of secondary scavenging flotation machine connects, and the concentrate of described secondary scavenging flotation machine exports with described The import of once purging selection flotation device connects, and the mine tailing of described secondary scavenging flotation machine exports with described The import of three scavenging flotation machines connects, and the concentrate of described three scavenging flotation machines exports with described The import of secondary scavenging flotation machine connects, and the mine tailing that described three times are scanned is to arrange outside true tailings.
Concrete, the selected flotation unit of described molybdenum includes a selected flotation column of molybdenum and secondary molybdenum essence Select flotation column, concentrate outlet and a described molybdenum selected flotation column ore pulp of described separating flotation post Import connects, concentrate outlet and the described selected flotation of secondary molybdenum of a described selected flotation column of molybdenum The import of post connects, mine tailing outlet and the described separating flotation post of a described selected flotation column of molybdenum Import connect, the outlet of the mine tailing of described secondary molybdenum selected flotation column is selected with a described molybdenum floating The import selecting post connects, and the concentrate of the described selected flotation column of secondary molybdenum is final molybdenum concntrate product.
Concrete, the selected flotation unit of described lead includes lead precision sorting flotation machine, a secondary lead essence Selecting flotation device and three lead precision sorting flotation machines, described lead is roughly selected the concentrate of flotation device and is exported with described The ore pulp import of lead precision sorting flotation machine connects, and the mine tailing of a described lead precision sorting flotation machine goes out Mouth is roughly selected the import of flotation device and is connected with described lead, and the concentrate of a described lead precision sorting flotation machine goes out Mouth is connected with the import of described secondary lead precision sorting flotation machine, the essence of described secondary lead precision sorting flotation machine Ore deposit outlet is connected with the import of described three lead precision sorting flotation machines, described secondary lead precision sorting flotation machine Mine tailing outlet be connected with the import of a described lead precision sorting flotation machine, described three lead selected floats The mine tailing outlet selecting machine is connected with the import of described secondary lead precision sorting flotation machine, described three lead essences The concentrate pulp selecting flotation device is final lead concentrate product.
Concrete, described lead is scanned flotation unit and is included that lead scavenging flotation machine, a secondary lead are swept Selecting flotation device and three lead scavenging flotation machines, described lead is roughly selected the mine tailing of flotation device and is exported with described The ore pulp import of lead scavenging flotation machine connects, and the concentrate of a described lead scavenging flotation machine goes out Mouth is roughly selected the ore pulp import of flotation device and is connected with described lead, the tail of a described lead scavenging flotation machine Ore deposit outlet is connected with the import of described secondary lead scavenging flotation machine, and described secondary lead scans flotation The concentrate outlet of machine is connected with the import of a described lead scavenging flotation machine, and described secondary lead is swept The mine tailing outlet selecting flotation device is connected with the import of described three lead scavenging flotation machines, and described three The concentrate outlet of secondary lead scavenging flotation machine is connected with the import of secondary lead scavenging flotation machine, described The mine tailing of three scavenging flotation machines is to arrange outside mine tailing.
Second object of the present invention is implemented by following technical scheme: a kind of many metal recovery of molybdenum ore Method comprises the steps: that (1) raw ore is roughly ground；(2) roughly select flotation column to roughly select；(3) scan Flotation unit is scanned；(4) reagent removal is regrinded；(5) wulfenite slurry preconcentration；(6) molybdenum lead separates Flotation；(7) molybdenum is selected；(8) lead roughly selects flotation；(9) the selected flotation of lead；(10) lead is swept Select flotation；Wherein,
(1) raw ore corase grind: raw ore is sent into kibbling mill, and the mog of kibbling mill is particle diameter It is 65%～70% that breeze less than 0.074mm accounts for the percentage ratio of breeze gross mass, adds simultaneously Enter mash acid alkalinity regulator and slurry pH is controlled 8～9, the lead when pH value is more than 9 The effect of activation reagent removal declines；When pH value is less than 8, the inhibition of lead is also declined, The rough slurry inflow prepared is roughly selected flotation column and is roughly selected；
(2) roughly select flotation column to roughly select: in roughly selecting flotation column, put into 80g～110g/ ton raw ore Many metals collecting agent, isolated wulfenite slurry flows into concentrator I, isolated many metal tails Ore deposit ore pulp flows into and scans flotation unit；
(3) scan flotation unit to scan: in scanning flotation unit, put into 20g～40g/ ton former Many metals collecting agent in ore deposit, the wulfenite scanned out slurry flows back to roughly select flotation column to be roughly selected again；
(4) reagent removal is regrinded: add the activated carbon of 300g～500g/ ton raw ore in concentrator I, Many metals collecting agent in removing wulfenite slurry, then regrinds through grinding machine again, then grinding rate is grain It is 90%～95% that the footpath breeze less than 0.074mm accounts for the percentage ratio of breeze gross mass, regrinds After wulfenite slurry flow into preconcentration flotation column；
(5) wulfenite slurry preconcentration: for improving the response rate of molybdenum concntrate, to preconcentration flotation Add kerosene or diesel oil 110g～200g/ ton raw ore in post, add 2# oil 20g～50g/ ton raw ore, The molybdenum lead preconcentration ore pulp obtained flows into separating flotation post, and isolated preconcentration mine tailing ore pulp returns Return and roughly select flotation column 2；
(6) molybdenum lead separating flotation: add in separating flotation post kerosene 15g～30g/ ton raw ore, Add 2# oil 15g～30g/ ton raw ore, inhibitor 50g～the 70g/ ton raw ore adding lead and addition Copper mine and pyritous inhibitors 4 0g～100g/ ton raw ore, and add mash acid alkalinity regulator Slurry pH being controlled 10～11.5, the rough ore pulp of molybdenum floatingly selected flows into the selected flotation of molybdenum Device, the rough ore pulp of isolated lead flows into concentrator II；
(7) molybdenum is selected: add in the selected flotation unit of molybdenum kerosene 15g～40g/ ton raw ore, Add inhibitor 10g～the 20g/ ton raw ore of lead, add copper mine and pyritous inhibitor 10g～40g/ ton raw ore, the molybdenum concntrate ore pulp drying floatingly selected obtains molybdenum concntrate, isolated Molybdic tailing ore pulp returns the flotation again of separating flotation post；
(8) lead roughly selects flotation: add activator 150g～250g/ ton raw ore in concentrator II, Lead ore slurry after activated flows into lead and roughly selects flotation device, roughly selects to lead and adds catching of lead in flotation device Receiving agent 8g～12g/ ton raw ore, the rough ore pulp of lead floatingly selected flows into the selected flotation unit of lead, point The mine tailing ore pulp separated out flows into lead and scans flotation unit；
(9) the selected flotation of lead: add collecting agent 2g～10g of lead in the selected flotation unit of lead / ton raw ore, the lead concentrate ore pulp drying floatingly selected obtains lead concentrate；
(10) lead scans flotation: scan the collecting agent 10g～18 adding lead in flotation unit to lead G/ ton raw ore, the lead ore floatingly selected slurry returns lead and roughly selects flotation device, and flotation again is isolated Mine tailing is iron concentrate.
Concrete, described in scan flotation unit and include that once purging selection flotation device, secondary scan flotation Machine and three scavenging flotation machines, described in roughly select the thick mine tailing slurry outlet of flotation column with described once The ore pulp import of scavenging flotation machine connects, the concentrate pulp outlet of described once purging selection flotation device with The described import roughly selecting flotation column connects, and the mine tailing of described once purging selection flotation device exports with described The import of secondary scavenging flotation machine connects, and the concentrate of described secondary scavenging flotation machine exports with described The import of once purging selection flotation device connects, and the mine tailing of described secondary scavenging flotation machine exports with described The import of three scavenging flotation machines connects, and the concentrate of described three scavenging flotation machines exports with described The import of secondary scavenging flotation machine connects；Add in described once purging selection flotation device is described many Metal collecting agent is 20g/ ton raw ore；Add in described secondary scavenging flotation machine is described golden Belonging to collecting agent is 10g/ ton raw ore；The described many metals added in described three scavenging flotation machines Collecting agent is 5g/ ton raw ore.
Concrete, the selected flotation unit of described molybdenum includes a selected flotation column of molybdenum and secondary molybdenum essence Select flotation column, concentrate outlet and a described molybdenum selected flotation column ore pulp of described separating flotation post Import connects, concentrate outlet and the described selected flotation of secondary molybdenum of a described selected flotation column of molybdenum The import of post connects, mine tailing outlet and the described separating flotation post of a described selected flotation column of molybdenum Import connect, the outlet of the mine tailing of described secondary molybdenum selected flotation column is selected with a described molybdenum floating The import selecting post connects；Kerosene 20g/ ton raw ore is added in a described selected flotation column of molybdenum, Add the inhibitor 15g/ ton raw ore of lead, addition copper mine and pyritous inhibitor 10g/ ton former Ore deposit；In the described selected flotation column of secondary molybdenum, add kerosene 10g/ ton raw ore, add the suppression of lead Agent 5g/ ton raw ore.
Concrete, the selected flotation unit of described lead includes lead precision sorting flotation machine, a secondary lead essence Selecting flotation device and three lead precision sorting flotation machines, described lead is roughly selected the concentrate of flotation device and is exported with described The ore pulp import of lead precision sorting flotation machine connects, and the mine tailing of a described lead precision sorting flotation machine goes out Mouth is roughly selected the import of flotation device and is connected with described lead, and the concentrate of a described lead precision sorting flotation machine goes out Mouth is connected with the import of described secondary lead precision sorting flotation machine, the essence of described secondary lead precision sorting flotation machine Ore deposit outlet is connected with the import of described three lead precision sorting flotation machines, described secondary lead precision sorting flotation machine Mine tailing outlet be connected with the import of a described lead precision sorting flotation machine, described three lead selected floats The mine tailing outlet selecting machine is connected with the import of described secondary lead precision sorting flotation machine；To a described lead The collecting agent 5g/ ton raw ore of lead is added in precision sorting flotation machine；To described secondary lead precision sorting flotation machine The collecting agent 2g/ ton raw ore of interior addition lead；Lead is added in described three lead precision sorting flotation machines Collecting agent 1g/ ton raw ore.
Concrete, described lead is scanned flotation unit and is included that lead scavenging flotation machine, a secondary lead are swept Selecting flotation device and three lead scavenging flotation machines, described lead is roughly selected the mine tailing of flotation device and is exported with described The ore pulp import of lead scavenging flotation machine connects, and the concentrate of a described lead scavenging flotation machine goes out Mouth is roughly selected the ore pulp import of flotation device and is connected with described lead, the tail of a described lead scavenging flotation machine Ore deposit outlet is connected with the import of described secondary lead scavenging flotation machine, and described secondary lead scans flotation The concentrate outlet of machine is connected with the import of a described lead scavenging flotation machine, and described secondary lead is swept The mine tailing outlet selecting flotation device is connected with the import of described three lead scavenging flotation machines, and described three The concentrate outlet of secondary lead scavenging flotation machine is connected with the import of secondary lead scavenging flotation machine；To institute The collecting agent 7g/ ton raw ore of lead is added in stating a lead scavenging flotation machine；Sweep to described secondary lead The collecting agent 5g/ ton raw ore of lead is added in selecting flotation device；In described three lead scavenging flotation machines Add the collecting agent 5g/ ton raw ore of lead.
Concrete, described many metals collecting agent is butyl xanthate；The inhibitor of described lead is Bk511A；Described copper mine and pyritous inhibitor are sodium thioglycolate；Described activator is sulfur Acid copper；The collecting agent of described lead is diethyldithiocarbamate；Described mash acid alkalinity regulator is lime cream.
Advantages of the present invention: 1, the present invention is by the how gold in the cleaner tailings in molybdenum ore flotation Belong to (lead, copper, sulfur, gold, silver) especially lead metal to reclaim, improve the recovery of metals resources Rate, reduces production cost, increases Business Economic Benefit, can be that enterprise's many wounds output value is near every year 30000000 yuan；2, the present invention can reduce the loss of heavy metal lead, prevents the pollution of the environment；3、 Present invention process system structure is simple, manufacturing expense is low, technique simplifies, easy to operate, production Low cost, economize on resources.
Accompanying drawing illustrates:
Fig. 1 is a kind of molybdenum ore many metal recovery system schematic.
Kibbling mill 1, roughly selects flotation column 2, concentrator I 3, scans flotation unit 4, once sweep Select flotation device 4-1, secondary scavenging flotation machine 4-2, three scavenging flotation machine 4-3, machine 5 of regrinding, Preconcentration flotation column 6, separating flotation post 7, the selected flotation unit of molybdenum 8, one time molybdenum is selected floating Selecting post 8-1, secondary molybdenum selected flotation column 8-2, concentrator II 9, lead roughly selects flotation device 10, lead Selected flotation unit 11, a lead precision sorting flotation machine 11-1, secondary lead precision sorting flotation machine 11-2, Three lead precision sorting flotation machine 11-3, lead scans flotation unit 12, a lead scavenging flotation machine 12-1, Secondary lead scavenging flotation machine 12-2, three lead scavenging flotation machine 12-3, dosing tank 13, ore pulp Acidity-basicity regulator outlet 13-1, many metals collecting agent outlet 13-2, de-agent outlet 13-3, Lead inhibitor outlet 13-4, copper deactivator outlet 13-5, kerosene outlet 13-6,2# oil export 13-7, lead collecting agent outlet 13-8 and copper sulfate outlet 13-9.
Detailed description of the invention:
Embodiment 1: a kind of molybdenum ore many metal recovery system, it include kibbling mill 1, roughly select floating Select post 2, concentrator I 3, scan flotation unit 4, machine 5 of regrinding, preconcentration flotation column 6, The selected flotation unit of separating flotation post 7, molybdenum 8, concentrator II 9, lead roughly select flotation device 10, The selected flotation unit of lead 11, lead scan flotation unit 12, dosing tank 13；Kibbling mill 1 thick Slurry outlet is connected with the import roughly selecting flotation column 2, roughly selects the wulfenite slurry outlet of flotation column 2 It is connected with the ore pulp import of concentrator I 3, roughly selects the multi-metal tailings slurry outlet of flotation column 2 It is connected with the ore pulp import scanning flotation unit 4, scans the wulfenite slurry outlet of flotation unit 4 It is connected with the import roughly selecting flotation column 2；The outlet of concentrator I 3 is connected with machine 5 import of regrinding, Machine 5 of regrinding outlet is connected with the ore pulp import of preconcentration flotation column 6, preconcentration flotation column 6 Molybdenum lead preconcentration slurry outlet is connected with the ore pulp import of separating flotation post 7, preconcentration flotation column The preconcentration mine tailing slurry outlet of 6 is connected with roughly selecting flotation column 2 import；Separating flotation post 7 Flotation unit selected with the molybdenum 8 ore pulp import of the rough slurry outlet of molybdenum is connected, separating flotation post 7 The rough slurry outlet of lead is connected with concentrator II 9 import；The molybdic tailing of the selected flotation unit of molybdenum 8 Slurry outlet is connected with the ore pulp import of separating flotation post 7；Concentrator II 9 outlet is roughly selected with lead Flotation device 10 import connects；The rough slurry outlet of lead that lead roughly selects flotation device 10 is selected with lead floating The ore pulp import of screening device 11 connects, and lead is roughly selected the mine tailing slurry outlet of flotation device 10 and swept with lead The ore pulp import selecting flotation unit 12 connects；Lead scan the lead slurry outlet of flotation unit 12 with Lead is roughly selected the ore pulp import of flotation device 10 and is connected；The selected flotation unit of lead 11 mine tailing outlet with Lead is roughly selected the ore pulp import of flotation device 10 and is connected；Dosing tank 13 is provided with mash acid alkalinity regulation Agent outlet 13-1, many metals collecting agent outlet 13-2, de-agent outlet 13-3, lead inhibitor Outlet 13-4, copper deactivator outlet 13-5, kerosene outlet 13-6,2# oil export 13-7, lead Collecting agent outlet 13-8 and copper sulfate outlet 13-9；Mash acid alkalinity regulator outlet 13-1 divides Not and the dosing mouth of kibbling mill 1, the dosing mouth of separating flotation post 7 and the dosing of concentrator II 9 Mouth connects；Many metals collecting agent outlet 13-2 respectively with roughly select the dosing mouth of flotation column 2 and sweep The dosing mouth selecting flotation unit 4 connects；De-agent outlet 13-3 and the dosing mouth of concentrator I 3 Connect；Lead inhibitor outlet 13-4 is selected with the dosing mouth of separating flotation post 7 and molybdenum floating respectively The dosing mouth of screening device 8 connects；Copper deactivator outlet 13-5 respectively with separating flotation post 7 The dosing mouth of dosing mouth and the selected flotation unit of molybdenum 8 connects；Kerosene outlet 13-6 respectively with point Dosing mouth, the dosing mouth of the selected flotation unit of molybdenum 8 and preconcentration flotation column 6 from flotation column 7 Dosing mouth connect；The dosing mouth of 2# oil export 13-7 flotation unit 8 selected with molybdenum respectively, The dosing mouth of separating flotation post 7 and the dosing mouth of preconcentration flotation column 6 connect；Lead collecting agent goes out Mouthful 13-8 roughly selects the dosing mouth of flotation device 10, the adding of the selected flotation unit of lead 11 respectively with lead Medicine mouth and lead are scanned the dosing mouth of flotation unit 12 and are connected；Copper sulfate outlet 13-9 and concentrator The dosing mouth of II 9 connects.
Wherein, scan flotation unit 4 and include that once purging selection flotation device 4-1, secondary scan flotation Machine 4-2 and three scavenging flotation machine 4-3, roughly selects the thick mine tailing slurry outlet and of flotation column 2 The ore pulp import of secondary scavenging flotation machine 4-1 connects, the concentrate pulp of once purging selection flotation device 4-1 Outlet is connected with the import roughly selecting flotation column 2.Once purging selection flotation device 4-1 mine tailing outlet with The import of secondary scavenging flotation machine 4-2 connects, the concentrate outlet of secondary scavenging flotation machine 4-2 with The import of once purging selection flotation device 4-1 connects, the mine tailing outlet of secondary scavenging flotation machine 4-2 with The import of three scavenging flotation machine 4-3 connects, the concentrate outlet of three scavenging flotation machine 4-3 with The import of secondary scavenging flotation machine 4-2 connects.
The selected flotation unit of molybdenum 8 includes a molybdenum selected flotation column 8-1 and the selected flotation of secondary molybdenum Post 8-2, concentrate outlet and a molybdenum selected flotation column 8-1 ore pulp import of separating flotation post 7 Connecting, the concentrate outlet of a molybdenum selected flotation column 8-1 is with secondary molybdenum selected flotation column 8-2's Import connects, the mine tailing outlet of a molybdenum selected flotation column 8-1 and the import of separating flotation post 7 Connecting, the mine tailing outlet of secondary molybdenum selected flotation column 8-2 is with a molybdenum selected flotation column 8-1's Import connects, and the concentrate of secondary molybdenum selected flotation column 8-2 is final molybdenum concntrate product.
The selected flotation unit of lead 11 includes that lead precision sorting flotation machine 11-1, secondary lead are selected floating Select machine 11-2 and three lead precision sorting flotation machine 11-3, lead roughly select flotation device 10 concentrate outlet with The ore pulp import of lead precision sorting flotation machine 11-1 connects, a lead precision sorting flotation machine 11-1's Mine tailing outlet is roughly selected the import of flotation device 10 and is connected with lead, a lead precision sorting flotation machine 11-1's Concentrate outlet is connected with the import of secondary lead precision sorting flotation machine 11-2, secondary lead precision sorting flotation machine The concentrate outlet of 11-2 is connected with the import of three lead precision sorting flotation machine 11-3, and secondary lead is selected The mine tailing outlet of flotation device 11-2 is connected with the import of a lead precision sorting flotation machine 11-1, three times The mine tailing outlet of lead precision sorting flotation machine 11-3 is connected with the import of secondary lead precision sorting flotation machine 11-2, The concentrate pulp of three lead precision sorting flotation machine 11-3 is final lead concentrate product.
Lead is scanned flotation unit 12 and is included that lead scavenging flotation machine 12-1, a secondary lead are scanned floating Select machine 12-2 and three lead scavenging flotation machine 12-3, lead roughly select flotation device 10 mine tailing outlet with The ore pulp import of lead scavenging flotation machine 12-1 connects；Lead scavenging flotation machine 12-1's Concentrate outlet is roughly selected the ore pulp import of flotation device 10 and is connected with lead.Lead scavenging flotation machine The mine tailing outlet of 12-1 is connected with the import of secondary lead scavenging flotation machine 12-2, and secondary lead is swept The concentrate outlet selecting flotation device 12-2 is connected with the import of a lead scavenging flotation machine 12-1, The mine tailing outlet of secondary lead scavenging flotation machine 12-2 and the import of three lead scavenging flotation machine 12-3 It is connected, concentrate outlet and the secondary lead scavenging flotation machine 12-2 of three lead scavenging flotation machine 12-3 Import be connected, the mine tailing of three scavenging flotation machine 12-3 be outside mine tailing arrange.
Embodiment 2: a kind of many metal recovery processes of molybdenum ore comprise the steps: that (1) raw ore is thick Mill；(2) roughly select flotation column to roughly select；(3) scan flotation unit to scan；(4) reagent removal is regrinded； (5) wulfenite slurry preconcentration；(6) molybdenum lead separating flotation；(7) molybdenum is selected；(8) lead is thick Select flotation；(9) the selected flotation of lead；(10) lead scans flotation；Wherein,
(1) raw ore corase grind: raw ore is sent into kibbling mill 1, and the mog of kibbling mill 1 is It is 65% that the particle diameter breeze less than 0.074mm accounts for the percentage ratio of breeze gross mass, adds simultaneously Enter lime cream slurry pH to be controlled 8, the effect of the activation reagent removal of lead when pH value is more than 9 Fruit declines；When pH value is less than 8, the inhibition of lead is also declined, the rough slurry prepared Inflow is roughly selected flotation column 2 and is roughly selected；Head grade molybdenum 0.135%, lead 0.06%, sulfur 1.5%； Grade refers to that in Ore, the quality of wanted mineral accounts for the percentage ratio of Ore gross mass.
(2) roughly select flotation column to roughly select: in roughly selecting flotation column 2, put into the fourth of 80g/ ton raw ore Base xanthate, isolated wulfenite slurry flows into concentrator I 3, isolated multi-metal tailings ore deposit Flotation unit 4 is scanned in slurry inflow；
(3) scan flotation unit to scan: scan flotation unit 4 and include once purging selection flotation device 4-1, secondary scavenging flotation machine 4-2 and three scavenging flotation machine 4-3, roughly select the thick of flotation column 2 Mine tailing slurry outlet is connected with the ore pulp import of once purging selection flotation device 4-1, once purging selection flotation The concentrate pulp outlet of machine 4-1 is connected with the import roughly selecting flotation column 2.Once purging selection flotation device The mine tailing outlet of 4-1 is connected with the import of secondary scavenging flotation machine 4-2, secondary scavenging flotation machine The concentrate outlet of 4-2 is connected with the import of once purging selection flotation device 4-1, secondary scavenging flotation machine The mine tailing outlet of 4-2 is connected with the import of three scavenging flotation machine 4-3, three scavenging flotation machines The concentrate outlet of 4-3 is connected with the import of secondary scavenging flotation machine 4-2；To once purging selection flotation The butyl xanthate added in machine 4-1 is 12g/ ton raw ore；Add in secondary scavenging flotation machine 4-2 The butyl xanthate entered is 6g/ ton raw ore；The butyl added in three scavenging flotation machine 4-3 is yellow Medicine is 3g/ ton raw ore.The wulfenite slurry scanned out flows back to roughly select flotation column 2 to be roughly selected again；
(4) reagent removal is regrinded: add the activity of 300g～500g/ ton raw ore in concentrator I 3 Charcoal, the butyl xanthate in removing wulfenite slurry, then regrind through grinding machine again, then grinding rate is grain It is 90% that the footpath breeze less than 0.074mm accounts for the percentage ratio of breeze gross mass, after regrinding Wulfenite slurry flows into preconcentration flotation column 6；
(5) wulfenite slurry preconcentration: for improving the response rate of molybdenum concntrate, to preconcentration flotation Add kerosene or diesel oil 110g/ ton raw ore in post 6, add 2# oil 20g/ ton raw ore, obtain Molybdenum lead preconcentration ore pulp flows into separating flotation post 7, and isolated preconcentration mine tailing ore pulp returns thick Select flotation column 2；
(6) molybdenum lead separating flotation: in separating flotation post 7 add kerosene 15g/ ton raw ore, Add 2# oil 15g/ ton raw ore, add Bk511A 50g/ ton raw ore and add sodium thioglycolate 40g/ ton raw ore, and add lime cream and slurry pH is controlled 10, the molybdenum floatingly selected is rough Ore pulp flows into the selected flotation unit of molybdenum 8, and the rough ore pulp of isolated lead flows into concentrator II 9；
(7) molybdenum is selected: the selected flotation unit of molybdenum 8 include molybdenum selected flotation column 8-1 and Secondary molybdenum selected flotation column 8-2, concentrate outlet and the selected flotation of molybdenum of separating flotation post 7 Post 8-1 ore pulp import connects, the concentrate outlet of a molybdenum selected flotation column 8-1 and secondary molybdenum essence The import selecting flotation column 8-2 connects, and the mine tailing of a molybdenum selected flotation column 8-1 exports and separates The import of flotation column 7 connects, mine tailing outlet and a molybdenum essence of secondary molybdenum selected flotation column 8-2 The import selecting flotation column 8-1 connects, and the concentrate of secondary molybdenum selected flotation column 8-2 is final molybdenum essence Mineral products.In a molybdenum selected flotation column 8-1, add kerosene 10g/ ton raw ore, add Bk511A 9g/ ton raw ore, addition sodium thioglycolate 10g/ ton raw ore；To the selected flotation of secondary molybdenum Add kerosene 5g/ ton raw ore in post 8-2, add Bk511A 3g/ ton raw ore.The molybdenum floatingly selected Concentrate pulp drying obtains molybdenum concntrate, and isolated molybdic tailing ore pulp returns separating flotation post 7 Flotation again；
(8) lead roughly selects flotation: add copper sulfate 150g/ ton raw ore, warp in concentrator II 9 Lead ore slurry after activation flows into lead and roughly selects flotation device 10, roughly selects addition second in flotation device 10 to lead Sulfur nitrogen 8g/ ton raw ore, the rough ore pulp of lead floatingly selected flows into the selected flotation unit of lead 11, separates The mine tailing ore pulp gone out flows into lead and scans flotation unit 12；
(9) the selected flotation of lead: the selected flotation unit of lead 11 includes a lead precision sorting flotation machine 11-1, secondary lead precision sorting flotation machine 11-2 and three lead precision sorting flotation machine 11-3, lead is roughly selected floating The concentrate outlet selecting machine 10 is connected, once with the ore pulp import of a lead precision sorting flotation machine 11-1 The mine tailing outlet of lead precision sorting flotation machine 11-1 is roughly selected the import of flotation device 10 and is connected, once with lead The concentrate outlet of lead precision sorting flotation machine 11-1 is connected with the import of secondary lead precision sorting flotation machine 11-2, The concentrate outlet of secondary lead precision sorting flotation machine 11-2 and the import of three lead precision sorting flotation machine 11-3 Connect, mine tailing outlet and a lead precision sorting flotation machine 11-1 of secondary lead precision sorting flotation machine 11-2 Import connect, the outlet of the mine tailing of three lead precision sorting flotation machine 11-3 and the selected flotation of secondary lead The import of machine 11-2 connects, and the concentrate pulp of three lead precision sorting flotation machine 11-3 is final lead Concentrate product；Diethyldithiocarbamate 1g/ ton raw ore is added in a lead precision sorting flotation machine 11-1；To two Diethyldithiocarbamate 1g/ ton raw ore is added in secondary lead precision sorting flotation machine 11-2；To three lead precision sorting flotation machines Adding diethyldithiocarbamate 1g/ ton raw ore in 11-3, the lead concentrate ore pulp drying floatingly selected obtains lead essence Ore deposit.
(10) lead scans flotation: lead is scanned flotation unit 12 and included a lead scavenging flotation machine 12-1, secondary lead scavenging flotation machine 12-2 and three lead scavenging flotation machine 12-3, lead is roughly selected floating The mine tailing outlet selecting machine 10 is connected with the ore pulp import of a lead scavenging flotation machine 12-1；Once The concentrate outlet of lead scavenging flotation machine 12-1 is roughly selected the ore pulp import of flotation device 10 and is connected with lead. The mine tailing outlet of lead scavenging flotation machine 12-1 and the import of secondary lead scavenging flotation machine 12-2 It is connected, concentrate outlet and a lead scavenging flotation machine 12-1 of secondary lead scavenging flotation machine 12-2 Import be connected, the outlet of the mine tailing of secondary lead scavenging flotation machine 12-2 is scanned floating with three lead The import selecting machine 12-3 is connected, the concentrate outlet of three lead scavenging flotation machine 12-3 and secondary The import of lead scavenging flotation machine 12-2 is connected, and the mine tailing of three scavenging flotation machine 12-3 is tail Arrange outside ore deposit；Diethyldithiocarbamate 4g/ ton raw ore is added in a lead scavenging flotation machine 12-1；To secondary Diethyldithiocarbamate 3g/ ton raw ore is added in lead scavenging flotation machine 12-2；To three lead scavenging flotation machines Adding diethyldithiocarbamate 3g/ ton raw ore in 12-3, the lead ore floatingly selected slurry returns lead and roughly selects flotation device 10, Flotation again, isolated mine tailing is iron concentrate.
Embodiment 3: a kind of many metal recovery processes of molybdenum ore comprise the steps: that (1) raw ore is thick Mill；(2) roughly select flotation column to roughly select；(3) scan flotation unit to scan；(4) reagent removal is regrinded； (5) wulfenite slurry preconcentration；(6) molybdenum lead separating flotation；(7) molybdenum is selected；(8) lead is thick Select flotation；(9) the selected flotation of lead；(10) lead scans flotation；Wherein,
(1) raw ore corase grind: raw ore is sent into kibbling mill 1, and the mog of kibbling mill 1 is It is 68% that the particle diameter breeze less than 0.074mm accounts for the percentage ratio of breeze gross mass, adds simultaneously Enter lime cream slurry pH to be controlled 8, the effect of the activation reagent removal of lead when pH value is more than 9 Fruit declines；When pH value is less than 8, the inhibition of lead is also declined, the rough slurry prepared Inflow is roughly selected flotation column 2 and is roughly selected；Head grade molybdenum 0.135%, lead 0.06%, sulfur 1.5%；
(2) roughly select flotation column to roughly select: in roughly selecting flotation column 2, put into 110g/ ton raw ore Butyl xanthate, isolated wulfenite slurry flows into concentrator I 3, isolated multi-metal tailings Ore pulp flows into and scans flotation unit 4；
(3) scan flotation unit to scan: scan flotation unit 4 and include once purging selection flotation device 4-1, secondary scavenging flotation machine 4-2 and three scavenging flotation machine 4-3, roughly select the thick of flotation column 2 Mine tailing slurry outlet is connected with the ore pulp import of once purging selection flotation device 4-1, once purging selection flotation The concentrate pulp outlet of machine 4-1 is connected with the import roughly selecting flotation column 2.Once purging selection flotation device The mine tailing outlet of 4-1 is connected with the import of secondary scavenging flotation machine 4-2, secondary scavenging flotation machine The concentrate outlet of 4-2 is connected with the import of once purging selection flotation device 4-1, secondary scavenging flotation machine The mine tailing outlet of 4-2 is connected with the import of three scavenging flotation machine 4-3, three scavenging flotation machines The concentrate outlet of 4-3 is connected with the import of secondary scavenging flotation machine 4-2；To once purging selection flotation The butyl xanthate added in machine 4-1 is 25g/ ton raw ore；Add in secondary scavenging flotation machine 4-2 The butyl xanthate entered is 10g/ ton raw ore；The butyl added in three scavenging flotation machine 4-3 is yellow Medicine is 5g/ ton raw ore, and the wulfenite scanned out slurry flows back to roughly select flotation column 2 to be roughly selected again；
(4) reagent removal is regrinded: add the activity of 300g～500g/ ton raw ore in concentrator I 3 Charcoal, the butyl xanthate in removing wulfenite slurry, then regrind through grinding machine again, then grinding rate is grain It is 95% that the footpath breeze less than 0.074mm accounts for the percentage ratio of breeze gross mass, after regrinding Wulfenite slurry flows into preconcentration flotation column 6；
(5) wulfenite slurry preconcentration: for improving the response rate of molybdenum concntrate, to preconcentration flotation Add kerosene or diesel oil 200g/ ton raw ore in post 6, add 2# oil 50g/ ton raw ore, obtain Molybdenum lead preconcentration ore pulp flows into separating flotation post 7, and isolated preconcentration mine tailing ore pulp returns thick Select flotation column 2；
(6) molybdenum lead separating flotation: in separating flotation post 7 add kerosene 30g/ ton raw ore, Add 2# oil 30g/ ton raw ore, add Bk511A 60g/ ton raw ore and add sodium thioglycolate 100g/ ton raw ore, and add lime cream and slurry pH is controlled 11.5, the molybdenum floatingly selected is thick Ore deposit ore pulp flows into the selected flotation unit of molybdenum 8, and the rough ore pulp of isolated lead flows into concentrator II 9；
(7) molybdenum is selected: the selected flotation unit of molybdenum 8 include molybdenum selected flotation column 8-1 and Secondary molybdenum selected flotation column 8-2, concentrate outlet and the selected flotation of molybdenum of separating flotation post 7 Post 8-1 ore pulp import connects, the concentrate outlet of a molybdenum selected flotation column 8-1 and secondary molybdenum essence The import selecting flotation column 8-2 connects, and the mine tailing of a molybdenum selected flotation column 8-1 exports and separates The import of flotation column 7 connects, mine tailing outlet and a molybdenum essence of secondary molybdenum selected flotation column 8-2 The import selecting flotation column 8-1 connects, and the concentrate of secondary molybdenum selected flotation column 8-2 is final molybdenum essence Mineral products；In a molybdenum selected flotation column 8-1, add kerosene 25g/ ton raw ore, add Bk511A 8g/ ton raw ore, addition sodium thioglycolate 40g/ ton raw ore；To the selected flotation of secondary molybdenum Add kerosene 15g/ ton raw ore in post 8-2, add Bk511A 7g/ ton raw ore, the molybdenum floatingly selected Concentrate pulp drying obtains molybdenum concntrate, and isolated molybdic tailing ore pulp returns separating flotation post 7 Flotation again；
(8) lead roughly selects flotation: add copper sulfate 250g/ ton raw ore, warp in concentrator II 9 Lead ore slurry after activation flows into lead and roughly selects flotation device 10, roughly selects addition second in flotation device 10 to lead Sulfur nitrogen 12g/ ton raw ore, the rough ore pulp of lead floatingly selected flows into the selected flotation unit of lead 11, point The mine tailing ore pulp separated out flows into lead and scans flotation unit 12；
(9) the selected flotation of lead: the selected flotation unit of lead 11 includes a lead precision sorting flotation machine 11-1, secondary lead precision sorting flotation machine 11-2 and three lead precision sorting flotation machine 11-3, lead is roughly selected floating The concentrate outlet selecting machine 10 is connected, once with the ore pulp import of a lead precision sorting flotation machine 11-1 The mine tailing outlet of lead precision sorting flotation machine 11-1 is roughly selected the import of flotation device 10 and is connected, once with lead The concentrate outlet of lead precision sorting flotation machine 11-1 is connected with the import of secondary lead precision sorting flotation machine 11-2, The concentrate outlet of secondary lead precision sorting flotation machine 11-2 and the import of three lead precision sorting flotation machine 11-3 Connect, mine tailing outlet and a lead precision sorting flotation machine 11-1 of secondary lead precision sorting flotation machine 11-2 Import connect, the outlet of the mine tailing of three lead precision sorting flotation machine 11-3 and the selected flotation of secondary lead The import of machine 11-2 connects, and the concentrate pulp of three lead precision sorting flotation machine 11-3 is final lead Concentrate product；Diethyldithiocarbamate 5g/ ton raw ore is added in a lead precision sorting flotation machine 11-1；To two Diethyldithiocarbamate 3g/ ton raw ore is added in secondary lead precision sorting flotation machine 11-2；To three lead precision sorting flotation machines Diethyldithiocarbamate 2g/ ton raw ore is added in 11-3.Diethyldithiocarbamate is added in the selected flotation unit of lead 11 2g～10g/ ton raw ore, the lead concentrate ore pulp drying floatingly selected obtains lead concentrate；
(10) lead scans flotation: lead is scanned flotation unit 12 and included a lead scavenging flotation machine 12-1, secondary lead scavenging flotation machine 12-2 and three lead scavenging flotation machine 12-3, lead is roughly selected floating The mine tailing outlet selecting machine 10 is connected with the ore pulp import of a lead scavenging flotation machine 12-1；Once The concentrate outlet of lead scavenging flotation machine 12-1 is roughly selected the ore pulp import of flotation device 10 and is connected with lead. The mine tailing outlet of lead scavenging flotation machine 12-1 and the import of secondary lead scavenging flotation machine 12-2 It is connected, concentrate outlet and a lead scavenging flotation machine 12-1 of secondary lead scavenging flotation machine 12-2 Import be connected, the outlet of the mine tailing of secondary lead scavenging flotation machine 12-2 is scanned floating with three lead The import selecting machine 12-3 is connected, the concentrate outlet of three lead scavenging flotation machine 12-3 and secondary The import of lead scavenging flotation machine 12-2 is connected, and the mine tailing of three scavenging flotation machine 12-3 is tail Arrange outside ore deposit；Diethyldithiocarbamate 5g/ ton raw ore is added in a lead scavenging flotation machine 12-1；To secondary Diethyldithiocarbamate 5g/ ton raw ore is added in lead scavenging flotation machine 12-2；To three lead scavenging flotation machines Adding diethyldithiocarbamate 4g/ ton raw ore in 12-3, the lead ore floatingly selected slurry returns lead and roughly selects flotation device 10, Flotation again, isolated mine tailing is iron concentrate.
Embodiment 4: a kind of many metal recovery processes of molybdenum ore comprise the steps: that (1) raw ore is thick Mill；(2) roughly select flotation column to roughly select；(3) scan flotation unit to scan；(4) reagent removal is regrinded； (5) wulfenite slurry preconcentration；(6) molybdenum lead separating flotation；(7) molybdenum is selected；(8) lead is thick Select flotation；(9) the selected flotation of lead；(10) lead scans flotation；Wherein,
(1) raw ore corase grind: raw ore is sent into kibbling mill 1, and the mog of kibbling mill 1 is It is 70% that the particle diameter breeze less than 0.074mm accounts for the percentage ratio of breeze gross mass, adds simultaneously Enter lime cream slurry pH to be controlled 9, the effect of the activation reagent removal of lead when pH value is more than 9 Fruit declines；When pH value is less than 8, the inhibition of lead is also declined, the rough slurry prepared Inflow is roughly selected flotation column 2 and is roughly selected；Head grade molybdenum 0.135%, lead 0.06%, sulfur 1.5%；
(2) roughly select flotation column to roughly select: in roughly selecting flotation column 2, put into 100g/ ton raw ore Butyl xanthate, isolated wulfenite slurry flows into concentrator I 3, isolated multi-metal tailings Ore pulp flows into and scans flotation unit 4；
(3) scan flotation unit to scan: scan flotation unit 4 and include once purging selection flotation device 4-1, secondary scavenging flotation machine 4-2 and three scavenging flotation machine 4-3, roughly select the thick of flotation column 2 Mine tailing slurry outlet is connected with the ore pulp import of once purging selection flotation device 4-1, once purging selection flotation The concentrate pulp outlet of machine 4-1 is connected with the import roughly selecting flotation column 2.Once purging selection flotation device The mine tailing outlet of 4-1 is connected with the import of secondary scavenging flotation machine 4-2, secondary scavenging flotation machine The concentrate outlet of 4-2 is connected with the import of once purging selection flotation device 4-1, secondary scavenging flotation machine The mine tailing outlet of 4-2 is connected with the import of three scavenging flotation machine 4-3, three scavenging flotation machines The concentrate outlet of 4-3 is connected with the import of secondary scavenging flotation machine 4-2；To once purging selection flotation The butyl xanthate added in machine 4-1 is 20g/ ton raw ore；Add in secondary scavenging flotation machine 4-2 The butyl xanthate entered is 10g/ ton raw ore；The butyl added in three scavenging flotation machine 4-3 is yellow Medicine is 5g/ ton raw ore, and the wulfenite scanned out slurry flows back to roughly select flotation column 2 to be roughly selected again；
(4) reagent removal is regrinded: add the activated carbon of 350g/ ton raw ore in concentrator I 3, de- Butyl xanthate in starching except wulfenite, then regrinds through grinding machine again, then grinding rate is that particle diameter is little It is 95% that breeze in 0.074mm accounts for the percentage ratio of breeze gross mass, the molybdenum lead after regrinding Ore pulp flows into preconcentration flotation column 6；
(5) wulfenite slurry preconcentration: for improving the response rate of molybdenum concntrate, to preconcentration flotation Add kerosene or diesel oil 150g/ ton raw ore in post 6, add 2# oil 20g/ ton raw ore, obtain Molybdenum lead preconcentration ore pulp flows into separating flotation post 7, and isolated preconcentration mine tailing ore pulp returns thick Select flotation column 2；
(6) molybdenum lead separating flotation: in separating flotation post 7 add kerosene 20g/ ton raw ore, Add 2# oil 20g/ ton raw ore, add Bk511A 70g/ ton raw ore and add sodium thioglycolate 60g/ ton raw ore, and add lime cream and slurry pH is controlled 11.5, the molybdenum floatingly selected is thick Ore deposit ore pulp flows into the selected flotation unit of molybdenum 8, and the rough ore pulp of isolated lead flows into concentrator II 9；
(7) molybdenum is selected: the selected flotation unit of molybdenum 8 include molybdenum selected flotation column 8-1 and Secondary molybdenum selected flotation column 8-2, concentrate outlet and the selected flotation of molybdenum of separating flotation post 7 Post 8-1 ore pulp import connects, the concentrate outlet of a molybdenum selected flotation column 8-1 and secondary molybdenum essence The import selecting flotation column 8-2 connects, and the mine tailing of a molybdenum selected flotation column 8-1 exports and separates The import of flotation column 7 connects, mine tailing outlet and a molybdenum essence of secondary molybdenum selected flotation column 8-2 The import selecting flotation column 8-1 connects, and the concentrate of secondary molybdenum selected flotation column 8-2 is final molybdenum essence Mineral products；In a molybdenum selected flotation column 8-1, add kerosene 20g/ ton raw ore, add Bk511A 15g/ ton raw ore, addition sodium thioglycolate 10g/ ton raw ore；Selected floating to secondary molybdenum Add kerosene 10g/ ton raw ore in selecting post 8-2, add Bk511A 5g/ ton raw ore, floatingly select Molybdenum concntrate ore pulp drying obtains molybdenum concntrate, and isolated molybdic tailing ore pulp returns separating flotation post 7 flotation again；
(8) lead roughly selects flotation: add copper sulfate 150g/ ton raw ore, warp in concentrator II 9 Lead ore slurry after activation flows into lead and roughly selects flotation device 10, roughly selects addition second in flotation device 10 to lead Sulfur nitrogen 10g/ ton raw ore, the rough ore pulp of lead floatingly selected flows into the selected flotation unit of lead 11, point The mine tailing ore pulp separated out flows into lead and scans flotation unit 12；
(9) the selected flotation of lead: the selected flotation unit of lead 11 includes a lead precision sorting flotation machine 11-1, secondary lead precision sorting flotation machine 11-2 and three lead precision sorting flotation machine 11-3, lead is roughly selected floating The concentrate outlet selecting machine 10 is connected, once with the ore pulp import of a lead precision sorting flotation machine 11-1 The mine tailing outlet of lead precision sorting flotation machine 11-1 is roughly selected the import of flotation device 10 and is connected, once with lead The concentrate outlet of lead precision sorting flotation machine 11-1 is connected with the import of secondary lead precision sorting flotation machine 11-2, The concentrate outlet of secondary lead precision sorting flotation machine 11-2 and the import of three lead precision sorting flotation machine 11-3 Connect, mine tailing outlet and a lead precision sorting flotation machine 11-1 of secondary lead precision sorting flotation machine 11-2 Import connect, the outlet of the mine tailing of three lead precision sorting flotation machine 11-3 and the selected flotation of secondary lead The import of machine 11-2 connects, and the concentrate pulp of three lead precision sorting flotation machine 11-3 is final lead Concentrate product.；Diethyldithiocarbamate 5g/ ton raw ore is added in a lead precision sorting flotation machine 11-1；To Diethyldithiocarbamate 2g/ ton raw ore is added in secondary lead precision sorting flotation machine 11-2；To three selected flotation of lead Adding diethyldithiocarbamate 1g/ ton raw ore in machine 11-3, the lead concentrate ore pulp drying floatingly selected obtains lead Concentrate；
(10) lead scans flotation: lead is scanned flotation unit 12 and included a lead scavenging flotation machine 12-1, secondary lead scavenging flotation machine 12-2 and three lead scavenging flotation machine 12-3, lead is roughly selected floating The mine tailing outlet selecting machine 10 is connected with the ore pulp import of a lead scavenging flotation machine 12-1；Once The concentrate outlet of lead scavenging flotation machine 12-1 is roughly selected the ore pulp import of flotation device 10 and is connected with lead. The mine tailing outlet of lead scavenging flotation machine 12-1 and the import of secondary lead scavenging flotation machine 12-2 It is connected, concentrate outlet and a lead scavenging flotation machine 12-1 of secondary lead scavenging flotation machine 12-2 Import be connected, the outlet of the mine tailing of secondary lead scavenging flotation machine 12-2 is scanned floating with three lead The import selecting machine 12-3 is connected, the concentrate outlet of three lead scavenging flotation machine 12-3 and secondary The import of lead scavenging flotation machine 12-2 is connected, and the mine tailing of three scavenging flotation machine 12-3 is tail Arrange outside ore deposit；Diethyldithiocarbamate 7g/ ton raw ore is added in a lead scavenging flotation machine 12-1；To secondary Diethyldithiocarbamate 5g/ ton raw ore is added in lead scavenging flotation machine 12-2；To three lead scavenging flotation machines Adding diethyldithiocarbamate 5g/ ton raw ore in 12-3, the lead ore floatingly selected slurry returns lead and roughly selects flotation device 10, Flotation again, isolated mine tailing is iron concentrate.
The head grade of raw ore used by embodiment 2-4: molybdenum 0.135%, lead 0.06%, sulfur 1.5%.
The molybdenum concntrate product grade finally sub-elected: molybdenum 45%～47%, lead 0.2%～0.25%, Sulfur 20%, molybdenum recovery 85%；
The iron concentrate product grade finally sub-elected: sulfur 37%～39%, lead 0.3%, molybdenum 0.13%～0.16%.
The lead concentrate product grade finally sub-elected: lead 68%, molybdenum 0.35%, gold 1.2g/t, Silver 168g/t～189g/t, the lead metal response rate is 75%～80%.

Claims (11)

1. molybdenum ore many metal recovery system, it is characterised in that it includes kibbling mill, thick Select flotation column, concentrator I, scan flotation unit, again grinding machine, preconcentration flotation column, separation The selected flotation unit of flotation column, molybdenum, concentrator II, lead roughly select flotation device, lead selected flotation dress Put, lead scans flotation unit, dosing tank；The thick slurry outlet of described kibbling mill is roughly selected with described The import of flotation column connects, described in roughly select the wulfenite slurry outlet of flotation column and described concentrator I Ore pulp import connect, described in roughly select the multi-metal tailings slurry outlet of flotation column and scan with described The ore pulp import of flotation unit connects, described in scan the wulfenite slurry outlet of flotation unit with described The import roughly selecting flotation column connects；The outlet of described concentrator I is connected with described machine import of regrinding, Described machine outlet of regrinding is connected with the ore pulp import of described preconcentration flotation column, and described preconcentration is floated The molybdenum lead preconcentration slurry outlet selecting post is connected with the ore pulp import of described separating flotation post, described The preconcentration mine tailing slurry outlet of preconcentration flotation column is roughly selected flotation column import be connected with described；Institute State the rough slurry outlet of molybdenum of separating flotation post with the selected flotation unit ore pulp import of described molybdenum even Connecing, the rough slurry outlet of lead of described separating flotation post is connected with the import of described concentrator II；Institute State the molybdic tailing slurry outlet of the selected flotation unit of molybdenum and the ore pulp import of described separating flotation post Connect；The outlet of described concentrator II is roughly selected flotation device import with lead and is connected；Described lead roughly selects flotation The ore pulp import of the rough slurry outlet of the lead flotation unit selected with described lead of machine is connected, described lead Roughly select the mine tailing slurry outlet of flotation device to scan the ore pulp import of flotation unit with described lead and be connected； Described lead is scanned the lead slurry outlet of flotation unit and described lead and is roughly selected the ore pulp import of flotation device Connect；The ore pulp that mine tailing outlet and the described lead of the selected flotation unit of described lead roughly select flotation device enters Mouth connects；Described dosing tank is provided with the outlet of mash acid alkalinity regulator, many metals collecting agent goes out Mouth, de-agent outlet, the outlet of lead inhibitor, copper deactivator outlet, kerosene outlet, 2# oil go out The outlet of mouth, lead collecting agent and copper sulfate outlet；Mash acid alkalinity regulator exports respectively with described The dosing mouth of kibbling mill, the dosing mouth of described separating flotation post and the dosing of described concentrator II 9 Mouth connects；Described many metals collecting agent outlet respectively with the described dosing mouth roughly selecting flotation column and institute State the dosing mouth connection scanning flotation unit；Described de-agent outlet adds with described concentrator I Medicine mouth connects；The outlet of described lead inhibitor respectively with the dosing mouth of described separating flotation post and described The dosing mouth of the selected flotation unit of molybdenum connects；Described copper deactivator outlet respectively with described separate floating The dosing mouth of post and the dosing mouth of the selected flotation unit of described molybdenum is selected to connect；The outlet point of described kerosene Not with the dosing mouth of described separating flotation post, the dosing mouth of the selected flotation unit of described molybdenum and described The dosing mouth of preconcentration flotation column connects；The flotation selected with described molybdenum respectively of described 2# oil export Adding of the dosing mouth of device, the dosing mouth of described separating flotation post 7 and described preconcentration flotation column Medicine mouth connects；The dosing mouth of flotation device, institute are roughly selected in the outlet of described lead collecting agent respectively with described lead State the dosing mouth of the selected flotation unit of lead and described lead is scanned the dosing mouth of flotation unit and connected；Institute State copper sulfate outlet to be connected with the dosing mouth of concentrator II 9.
A kind of molybdenum ore many metal recovery system the most according to claim 1, its feature exists In, described in scan flotation unit and include once purging selection flotation device, secondary scavenging flotation machine and three times Scavenging flotation machine, described in roughly select the thick mine tailing slurry outlet of flotation column and described once purging selection flotation The ore pulp import of machine connects, and the concentrate pulp outlet of described once purging selection flotation device is roughly selected with described The import of flotation column connects, and the mine tailing outlet of described once purging selection flotation device is scanned with described secondary The import of flotation device connects, concentrate outlet and the described once purging selection of described secondary scavenging flotation machine The import of flotation device connects, and the mine tailing outlet of described secondary scavenging flotation machine is scanned with described three times The import of flotation device connects, and the concentrate outlet of described three scavenging flotation machines is scanned with described secondary The import of flotation device connects.
A kind of molybdenum ore many metal recovery system the most according to claim 1, its feature exists In, the selected flotation unit of described molybdenum includes a selected flotation column of molybdenum and the selected flotation column of secondary molybdenum, The concentrate outlet of described separating flotation post is connected with a described molybdenum selected flotation column ore pulp import, The concentrate outlet of a described selected flotation column of molybdenum and the import of the described selected flotation column of secondary molybdenum Connecting, the mine tailing outlet of a described selected flotation column of molybdenum is with the import of described separating flotation post even Connect, the mine tailing outlet of the described selected flotation column of secondary molybdenum and entering of a described selected flotation column of molybdenum Mouth connects.
A kind of molybdenum ore many metal recovery system the most according to claim 1, its feature exists In, the selected flotation unit of described lead includes lead precision sorting flotation machine, a secondary lead precision sorting flotation machine With three lead precision sorting flotation machines, described lead roughly selects the concentrate outlet of flotation device and a described lead essence The ore pulp import selecting flotation device connects, and the mine tailing of a described lead precision sorting flotation machine exports with described Lead is roughly selected the import of flotation device and is connected, and the concentrate of a described lead precision sorting flotation machine exports with described The import of secondary lead precision sorting flotation machine connects, the concentrate outlet of described secondary lead precision sorting flotation machine with The import of described three lead precision sorting flotation machines connects, and the mine tailing of described secondary lead precision sorting flotation machine goes out Mouth is connected with the import of a described lead precision sorting flotation machine, the tail of described three lead precision sorting flotation machines Ore deposit outlet is connected with the import of described secondary lead precision sorting flotation machine.
A kind of molybdenum ore many metal recovery system the most according to claim 1, its feature exists In, described lead is scanned flotation unit and is included lead scavenging flotation machine, a secondary lead scavenging flotation machine With three lead scavenging flotation machines, described lead is roughly selected the mine tailing outlet of flotation device and is swept with a described lead The ore pulp import selecting flotation device connects, and the concentrate of a described lead scavenging flotation machine exports with described Lead is roughly selected the ore pulp import of flotation device and is connected, the outlet of the mine tailing of a described lead scavenging flotation machine with The import of described secondary lead scavenging flotation machine is connected, the concentrate of described secondary lead scavenging flotation machine Outlet is connected with the import of a described lead scavenging flotation machine, described secondary lead scavenging flotation machine Mine tailing outlet be connected with the import of described three lead scavenging flotation machines, described three lead are scanned The concentrate outlet of flotation device is connected with the import of secondary lead scavenging flotation machine.
6. the many metal recovery processes of molybdenum ore, it is characterised in that it comprises the steps: (1) raw ore corase grind；(2) roughly select flotation column to roughly select；(3) scan flotation unit to scan；(4) Reagent removal is regrinded；(5) wulfenite slurry preconcentration；(6) molybdenum lead separating flotation；(7) molybdenum is selected； (8) lead roughly selects flotation；(9) the selected flotation of lead；(10) lead scans flotation；Wherein,
(1) raw ore corase grind: raw ore is sent into kibbling mill, and the mog of kibbling mill is particle diameter It is 65%～70% that breeze less than 0.074mm accounts for the percentage ratio of breeze gross mass, adds simultaneously Entering mash acid alkalinity regulator and slurry pH controlled 8～9, the rough slurry prepared flows into thick Flotation column is selected to roughly select；
(2) roughly select flotation column to roughly select: in roughly selecting flotation column, put into 80g～110g/ ton raw ore Many metals collecting agent, isolated wulfenite slurry flows into concentrator I, isolated many metal tails Ore deposit ore pulp flows into and scans flotation unit；
(3) scan flotation unit to scan: in scanning flotation unit, put into 20g～40g/ ton former Many metals collecting agent in ore deposit, the wulfenite scanned out slurry flows back to roughly select flotation column to be roughly selected again；
(4) reagent removal is regrinded: add the activated carbon of 300g～500g/ ton raw ore in concentrator I, Many metals collecting agent in removing wulfenite slurry, then regrinds through grinding machine again, then grinding rate is grain It is 90%～95% that the footpath breeze less than 0.074mm accounts for the percentage ratio of breeze gross mass, regrinds After wulfenite slurry flow into preconcentration flotation column；
(5) wulfenite slurry preconcentration: add kerosene or diesel oil in preconcentration flotation column 110g～200g/ ton raw ore, addition 2# oil 20g～50g/ ton raw ore, the molybdenum lead preconcentration obtained Ore pulp flows into separating flotation post, and isolated preconcentration mine tailing ore pulp returns and roughly selects flotation column；
(6) molybdenum lead separating flotation: add in separating flotation post kerosene 15g～30g/ ton raw ore, Add 2# oil 15g～30g/ ton raw ore, inhibitor 50g～the 70g/ ton raw ore adding lead and addition Copper mine and pyritous inhibitors 4 0g～100g/ ton raw ore, and add mash acid alkalinity regulator Slurry pH being controlled 10～11.5, the rough ore pulp of molybdenum floatingly selected flows into the selected flotation of molybdenum Device, the rough ore pulp of isolated lead flows into concentrator II；
(7) molybdenum is selected: add in the selected flotation unit of molybdenum kerosene 15g～40g/ ton raw ore, Add inhibitor 10g～the 20g/ ton raw ore of lead, add copper mine and pyritous inhibitor 10g～40g/ ton raw ore, the molybdenum concntrate ore pulp drying floatingly selected obtains molybdenum concntrate, isolated Molybdic tailing ore pulp returns the flotation again of separating flotation post；
(8) lead roughly selects flotation: add activator 150g～250g/ ton raw ore in concentrator II, Lead ore slurry after activated flows into lead and roughly selects flotation device, roughly selects to lead and adds catching of lead in flotation device Receiving agent 8g～12g/ ton raw ore, the rough ore pulp of lead floatingly selected flows into the selected flotation unit of lead, point The mine tailing ore pulp separated out flows into lead and scans flotation unit；
(9) the selected flotation of lead: add collecting agent 2g～10g/ of lead in the selected flotation unit of lead Ton raw ore, the lead concentrate ore pulp drying floatingly selected obtains lead concentrate；
(10) lead scans flotation: scan the collecting agent 10g～18 adding lead in flotation unit to lead G/ ton raw ore, the lead ore floatingly selected slurry returns lead and roughly selects flotation device, and flotation again is isolated Mine tailing is iron concentrate.
A kind of many metal recovery processes of molybdenum ore the most according to claim 6, its feature exists In, described in scan flotation unit and include once purging selection flotation device, secondary scavenging flotation machine and three times Scavenging flotation machine, described in roughly select the thick mine tailing slurry outlet of flotation column and described once purging selection flotation The ore pulp import of machine connects, and the concentrate pulp outlet of described once purging selection flotation device is roughly selected with described The import of flotation column connects, and the mine tailing outlet of described once purging selection flotation device is scanned with described secondary The import of flotation device connects, concentrate outlet and the described once purging selection of described secondary scavenging flotation machine The import of flotation device connects, and the mine tailing outlet of described secondary scavenging flotation machine is scanned with described three times The import of flotation device connects, and the concentrate outlet of described three scavenging flotation machines is scanned with described secondary The import of flotation device connects；The described many metals collecting added in described once purging selection flotation device Agent is 20g/ ton raw ore；The described many metals collecting agent added in described secondary scavenging flotation machine For 10g/ ton raw ore；The described many metals collecting agent added in described three scavenging flotation machines is 5g/ ton raw ore.
A kind of many metal recovery processes of molybdenum ore the most according to claim 6, its feature exists In, the selected flotation unit of described molybdenum includes a selected flotation column of molybdenum and the selected flotation column of secondary molybdenum, The concentrate outlet of described separating flotation post is connected with a described molybdenum selected flotation column ore pulp import, The concentrate outlet of a described selected flotation column of molybdenum and the import of the described selected flotation column of secondary molybdenum Connecting, the mine tailing outlet of a described selected flotation column of molybdenum is with the import of described separating flotation post even Connect, the mine tailing outlet of the described selected flotation column of secondary molybdenum and entering of a described selected flotation column of molybdenum Mouth connects；In a described selected flotation column of molybdenum, add kerosene 20g/ ton raw ore, add lead Inhibitor 15g/ ton raw ore, addition copper mine and pyritous inhibitor 10g/ ton raw ore；To institute Add kerosene 10g/ ton raw ore in stating the selected flotation column of secondary molybdenum, add the inhibitor 5g/ ton of lead Raw ore.
A kind of many metal recovery processes of molybdenum ore the most according to claim 6, its feature exists In, the selected flotation unit of described lead includes lead precision sorting flotation machine, a secondary lead precision sorting flotation machine With three lead precision sorting flotation machines, described lead roughly selects the concentrate outlet of flotation device and a described lead essence The ore pulp import selecting flotation device connects, and the mine tailing of a described lead precision sorting flotation machine exports with described Lead is roughly selected the import of flotation device and is connected, and the concentrate of a described lead precision sorting flotation machine exports with described The import of secondary lead precision sorting flotation machine connects, the concentrate outlet of described secondary lead precision sorting flotation machine with The import of described three lead precision sorting flotation machines connects, and the mine tailing of described secondary lead precision sorting flotation machine goes out Mouth is connected with the import of a described lead precision sorting flotation machine, the tail of described three lead precision sorting flotation machines Ore deposit outlet is connected with the import of described secondary lead precision sorting flotation machine；To a described selected flotation of lead The collecting agent 5g/ ton raw ore of lead is added in machine；Lead is added in described secondary lead precision sorting flotation machine Collecting agent 2g/ ton raw ore；The collecting agent 1g/ of lead is added in described three lead precision sorting flotation machines Ton raw ore.
A kind of many metal recovery processes of molybdenum ore the most according to claim 6, its feature exists In, described lead is scanned flotation unit and is included lead scavenging flotation machine, a secondary lead scavenging flotation machine With three lead scavenging flotation machines, described lead is roughly selected the mine tailing outlet of flotation device and is swept with a described lead The ore pulp import selecting flotation device connects, and the concentrate of a described lead scavenging flotation machine exports with described Lead is roughly selected the ore pulp import of flotation device and is connected, the outlet of the mine tailing of a described lead scavenging flotation machine with The import of described secondary lead scavenging flotation machine is connected, the concentrate of described secondary lead scavenging flotation machine Outlet is connected with the import of a described lead scavenging flotation machine, described secondary lead scavenging flotation machine Mine tailing outlet be connected with the import of described three lead scavenging flotation machines, described three lead are scanned The concentrate outlet of flotation device is connected with the import of secondary lead scavenging flotation machine；To a described lead The collecting agent 7g/ ton raw ore of lead is added in scavenging flotation machine；To described secondary lead scavenging flotation machine The collecting agent 5g/ ton raw ore of interior addition lead；Lead is added in described three lead scavenging flotation machines Collecting agent 5g/ ton raw ore.
11. according to a kind of molybdenum ore many metal recovery side described in claim 6-10 any one Method, it is characterised in that described many metals collecting agent is butyl xanthate；The inhibitor of described lead is Bk511A；Described copper mine and pyritous inhibitor are sodium thioglycolate；Described activator is sulfur Acid copper；The collecting agent of described lead is diethyldithiocarbamate；Described mash acid alkalinity regulator is lime cream.
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CN206262689U (en) * 2016-05-17 2017-06-20 内蒙古中西矿业有限公司 Lead metal recovery system in a kind of molybdenum ore

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Publication number Priority date Publication date Assignee Title
CN101451187B (en) * 2007-12-04 2010-09-01 灵宝市金源矿业有限责任公司 Comprehensive recovery method of gold ore resource containing molybdenum multi-metal
RU2539448C1 (en) * 2013-10-17 2015-01-20 Совместное предприятие в форме закрытого акционерного общества "Изготовление, внедрение, сервис" Method for flotation treatment of flowing and aged mine refuses containing copper and molybdenum minerals
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