CN106086600A - High-carbon steel shock resistance Herba Plantaginis bumper and preparation method thereof - Google Patents

High-carbon steel shock resistance Herba Plantaginis bumper and preparation method thereof Download PDF

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Publication number
CN106086600A
CN106086600A CN201610722052.9A CN201610722052A CN106086600A CN 106086600 A CN106086600 A CN 106086600A CN 201610722052 A CN201610722052 A CN 201610722052A CN 106086600 A CN106086600 A CN 106086600A
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bumper
pentlandite
autoclave
shock resistance
weight
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CN201610722052.9A
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Chinese (zh)
Inventor
周大浩
宣洪祥
宣洪全
王利
刘森
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Anhui Fengyuan Industry Co Ltd
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Anhui Fengyuan Industry Co Ltd
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Priority to CN201610722052.9A priority Critical patent/CN106086600A/en
Publication of CN106086600A publication Critical patent/CN106086600A/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/04Making ferrous alloys by melting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/22Moulds for peculiarly-shaped castings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/03Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by material, e.g. composite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/32Blowing from above
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00Obtaining copper
    • C22B15/0063Hydrometallurgy
    • C22B15/0065Leaching or slurrying
    • C22B15/0067Leaching or slurrying with acids or salts thereof
    • C22B15/0071Leaching or slurrying with acids or salts thereof containing sulfur
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B19/00Obtaining zinc or zinc oxide
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00Obtaining nickel or cobalt
    • C22B23/02Obtaining nickel or cobalt by dry processes
    • C22B23/021Obtaining nickel or cobalt by dry processes by reduction in solid state, e.g. by segregation processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/08Sulfuric acid, other sulfurated acids or salts thereof
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/02Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/006Making ferrous alloys compositions used for making ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00Coating starting from inorganic powder
    • C23C24/08Coating starting from inorganic powder by application of heat or pressure and heat
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25CPROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C1/00Electrolytic production, recovery or refining of metals by electrolysis of solutions
    • C25C1/12Electrolytic production, recovery or refining of metals by electrolysis of solutions of copper
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25CPROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C1/00Electrolytic production, recovery or refining of metals by electrolysis of solutions
    • C25C1/16Electrolytic production, recovery or refining of metals by electrolysis of solutions of zinc, cadmium or mercury
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02Anodisation
    • C25D11/34Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The invention discloses a kind of high-carbon steel shock resistance Herba Plantaginis bumper, it is characterized in that, including following parts by weight of component: pyrite 500 550, maghemite 300 310, cerussite 10 12, tetrahedrite 89, lead and zinc industry 12, ilmenite 78, bauxite 30 40, galena 45, nontronite 34 hydromica 23 pentlandite 10 11.The present invention uses chlorination to isolate, and pressure leaching process carries out pretreatment to Ore, improves trace meter in poor value and refines efficiency, improves the purity of microalloy in alloy material, improve part material quality.

Description

High-carbon steel shock resistance Herba Plantaginis bumper and preparation method thereof
Technical field
The present invention relates to machine components manufacture field, particularly relate to a kind of high-carbon steel shock resistance Herba Plantaginis bumper and preparation thereof Method.
Background technology
Auto parts and components, as the basis of auto industry, are the necessary factors supporting auto industry sustainable and healthy development.Special It not the current automotive industry independent development carried out the most vigorous, like a raging fire and innovation, with greater need for one powerful zero Parts system supports.Car load independent brand and technological innovation need parts to make basis, and the autonomous innovation of parts is again to whole The development of car industry produces powerful motive force, and they influence each other, interact, and do not have the independent brand of car load, powerful The innovation ability of parts system is difficult to burst out, and does not has the support of powerful parts system, independent brand to do your writing strong By hard to carry on.
Auto parts and components are in the course of processing, and the key to the issue affecting quality is the material of product, therefore at casting process In, can obtain high-quality Steel material be crucial, and it is many that foundry engieering of the prior art exists melting impurity content, causes workpiece Intensity do not meet needs, and cause Ore to waste, and energy waste.
And the trace meter such as nickel metal exists that to refine difficulty big, it is low that extraction there is also efficiency, and the utilization rate of Ore is low, leads Causing to cause in process of manufacture wastage of material, and the product quality of casting is also difficult to ensure that, Central South University delivers in March, 2011 A Ph.D. Dissertation " low ore grade nickel laterite sulfuric acid leaching and leached mud comprehensive utilization is theoretical and technical study " middle finger Going out, along with the quick growth of China's economy, the rate of increase of nickel consumption in recent years reaches average annual more than 25%, and suddenly becomes generation The first great Nie country of consumption of boundary, but the degree of self-sufficiency of nickel resources is less than 30%, and Speeding up development international nickel resource is to solve China's nickel resources The key point of not enough problem.Meanwhile, along with the progressively exhaustion of nickel sulfide resource, the weight the most nickel resources developed Point has transferred to account for the nickel red scholar ore deposit of Global land nickel resources about 70%.This paper is for mining area, Southeast Asia nickel laterite bed Different layers position low ore grade nickel laterite mineralogical character, selecting to use Wetting metallurgical technology to carry out nickel, brill, ferrum etc. has valency gold Belonging to the comprehensive theory extracted and technical study, the clean and effective process for low ore grade nickel laterite provides reliable foundation, but It is the extraction process that simply show nickel in paper, for the actual machine processed and applied in later stage, does not provide perfect finger Lead suggestion.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of employing chlorination isolation, pressure leaching work Skill carries out pretreatment to Ore, improves trace meter in poor value and refines efficiency, improves microalloy in alloy material Purity, improves high-carbon steel shock resistance Herba Plantaginis bumper of part material quality and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of high-carbon steel shock resistance Herba Plantaginis bumper, it is characterised in that include following parts by weight of component: pyrite 500-550, magnetic Bloodstone 300-310, cerussite 10-12, tetrahedrite 8-9, lead and zinc industry 1-2, ilmenite 7-8, bauxite 30-40, side's lead Ore deposit 4-5, nontronite 3-4 hydromica 2-3 pentlandite 10-11.
Described high-carbon steel shock resistance Herba Plantaginis bumper and preparation method thereof, it is characterised in that comprise the following steps:
1, pentlandite is crushed, put in rotary furnace and heat, rotary furnace adds pentlandite weight more identical The potassium chloride chlorinating agent that coke powder carbonaceous reductant is identical with weight, keeps being passed through CO (carbon monoxide converter) gas in rotary furnace, and same Shi Jinhang heats so that nickel metal chlorination evaporates, and forms metallic particles simultaneously on reducing agent surface, then uses conventional magnetic separation Method is enriched with, it is thus achieved that high-grade nickel metal concentrate;
2, put in autoclave by broken for tetrahedrite, keep the temperature of autoclave to be 130-140 DEG C, in autoclave, be passed through oxygen Gas, keeps oxygen pressure for 0.4-0.6MPa, is passed through the sulfuric acid solution of 240-245g/L in tank, keep leaching 2-3 hour, obtain sulfur Acid copper leachate, then obtain highly purified copper by electrolysis;
3, become granularity to be 100-120mm by ball mill grinding lead and zinc industry, add in autoclave, add marmatite The concentration of weight 0.8-0.9 times is 240-245g/L sulfuric acid solution, and pressure is 0.5-0.6 MPa, temperature keep 140-150 DEG C and Carry out one section of acidleach 1.5-2 hour in the environment of being passed through oxygen, obtain solution and carry out electrowinning zinc, remaining slag is carried out two-stage nitration acid Leaching, the sulfuric acid dosage of two-stage acid leaching is that 1.3-1.4 times of other condition of marmatite is constant, obtains high-purity Zn;
4, by pyrite, maghemite, 300-310, cerussite 10-12, tetrahedrite 8-9, lead and zinc industry 1-2, ilmenite The mixing of 7-8, bauxite 30-40, galena 4-5, nontronite 3-4 hydromica 2-3 pentlandite is put into smelting furnace and is carried out Melting, carries out mixed smelting step 1, the metal that obtains in 2,3 being added to, then carries out refine through top-blown method in smelting furnace, Improve the purity of molten steel, cast saying in bumper mold poured into by acquisition molten steel, it is thus achieved that bumper blank, in blank Surface carries out sandblasting, increases surface roughness, then uses alkali liquor defat, utilizes differential arc oxidization technique to form ceramic of compact brilliant after purification Body layer, at ceramic coated coating, places into 200-240 DEG C and is sintered 15-16 minute fully merging one with alloy-layer Rise, form ceramic layer, to obtain final product.
The present invention uses chlorination resolution process, and nickeliferous poor value is carried out pretreatment, adds certain in Ore The carbonaceous reductant of amount and chlorinating agent, carry out heat treated so that nickel metal is from Ore in neutral or weak reducing gas Volatilization, and form metallic particles in nickel metal surface simultaneously, improve the utilization rate of nickel ores, and use pressure leaching process pair Copper Ores and zinc ore pressurize, and improve smelting efficiency, reduce energy resource consumption, improve the utilization rate of Ore so that part Alloy content purity improve, and the intensity of the workpiece part processed is high, and carries out sandblasting on blank surface, increases surface Roughness, then use alkali liquor defat, utilize differential arc oxidization technique to form ceramic of compact crystal layer after purification, at ceramic coated coating, Place into 200-240 DEG C to be sintered 15-16 minute fully merging with alloy-layer, form ceramic layer, improve The surface erosion resistance of bumper.
Detailed description of the invention
A kind of high-carbon steel shock resistance Herba Plantaginis bumper, it is characterised in that include following parts by weight of component: pyrite 500- 550, maghemite 300-310, cerussite 10-12, tetrahedrite 8-9, lead and zinc industry 1-2, ilmenite 7-8, bauxite 30- 40, galena 4-5, nontronite 3-4 hydromica 2-3 pentlandite 10-11.
Described high-carbon steel shock resistance Herba Plantaginis bumper and preparation method thereof, it is characterised in that comprise the following steps:
1, pentlandite is crushed, put in rotary furnace and heat, rotary furnace adds pentlandite weight more identical The potassium chloride chlorinating agent that coke powder carbonaceous reductant is identical with weight, keeps being passed through CO (carbon monoxide converter) gas in rotary furnace, and same Shi Jinhang heats so that nickel metal chlorination evaporates, and forms metallic particles simultaneously on reducing agent surface, then uses conventional magnetic separation Method is enriched with, it is thus achieved that high-grade nickel metal concentrate;
2, put in autoclave by broken for tetrahedrite, keep the temperature of autoclave to be 130-140 DEG C, in autoclave, be passed through oxygen Gas, keeps oxygen pressure for 0.4-0.6MPa, is passed through the sulfuric acid solution of 240-245g/L in tank, keep leaching 2-3 hour, obtain sulfur Acid copper leachate, then obtain highly purified copper by electrolysis;
3, become granularity to be 100-120mm by ball mill grinding lead and zinc industry, add in autoclave, add marmatite The concentration of weight 0.8-0.9 times is 240-245g/L sulfuric acid solution, and pressure is 0.5-0.6 MPa, temperature keep 140-150 DEG C and Carry out one section of acidleach 1.5-2 hour in the environment of being passed through oxygen, obtain solution and carry out electrowinning zinc, remaining slag is carried out two-stage nitration acid Leaching, the sulfuric acid dosage of two-stage acid leaching is that 1.3-1.4 times of other condition of marmatite is constant, obtains high-purity Zn;
4, by pyrite, maghemite, 300-310, cerussite 10-12, tetrahedrite 8-9, lead and zinc industry 1-2, ilmenite The mixing of 7-8, bauxite 30-40, galena 4-5, nontronite 3-4 hydromica 2-3 pentlandite is put into smelting furnace and is carried out Melting, carries out mixed smelting step 1, the metal that obtains in 2,3 being added to, then carries out refine through top-blown method in smelting furnace, Improve the purity of molten steel, cast saying in bumper mold poured into by acquisition molten steel, it is thus achieved that bumper blank, in blank Surface carries out sandblasting, increases surface roughness, then uses alkali liquor defat, utilizes differential arc oxidization technique to form ceramic of compact brilliant after purification Body layer, at ceramic coated coating, places into 200-240 DEG C and is sintered 15-16 minute fully merging one with alloy-layer Rise, form ceramic layer, to obtain final product.

Claims (2)

1. a high-carbon steel shock resistance Herba Plantaginis bumper, it is characterised in that include following parts by weight of component: pyrite 500-550, Nontronite 3-4 hydromica 2-3 cerussite 10-12, tetrahedrite 8-9, lead and zinc industry 1-2, ilmenite 7-8, bauxite 30- 40, maghemite 300-310, galena 4-5, pentlandite 10-11.
2. high-carbon steel shock resistance Herba Plantaginis bumper as claimed in claim 1 and preparation method thereof, it is characterised in that include following step Rapid:
Pentlandite is crushed, puts in rotary furnace and heat, rotary furnace adds Jiao that pentlandite weight is identical again The potassium chloride chlorinating agent that carbon powder carbonaceous reductant is identical with weight, keeps being passed through CO (carbon monoxide converter) gas in rotary furnace, and simultaneously Heat so that nickel metal chlorination evaporates, form metallic particles simultaneously on reducing agent surface, then use conventional magnetic method It is enriched with, it is thus achieved that high-grade nickel metal concentrate;
Put in autoclave by broken for tetrahedrite, keep the temperature of autoclave to be 130-140 DEG C, in autoclave, be passed through oxygen, Keep oxygen pressure for 0.4-0.6MPa, in tank, be passed through the sulfuric acid solution of 240-245g/L, keep leaching 2-3 hour, obtain sulphuric acid Copper leachate, then obtain highly purified copper by electrolysis;
Become granularity to be 100-120mm by ball mill grinding lead and zinc industry, add in autoclave, add marmatite weight The concentration of 0.8-0.9 times is 240-245g/L sulfuric acid solution, and pressure is 0.5-0.6 MPa, and temperature keeps 140-150 DEG C and is passed through Carry out one section of acidleach 1.5-2 hour in the environment of oxygen, obtain solution and carry out electrowinning zinc, remaining slag is carried out two-stage acid leaching, The sulfuric acid dosage of two-stage acid leaching is that 1.3-1.4 times of other condition of marmatite is constant, obtains high-purity Zn;
By pyrite, maghemite, 300-310, cerussite 10-12, tetrahedrite 8-9, lead and zinc industry 1-2, ilmenite 7-8, The mixing of bauxite 30-40, galena 4-5, nontronite 3-4 hydromica 2-3 pentlandite is put into smelting furnace and is carried out melting, Step 1, the metal that obtains in 2,3 being added to, smelting furnace carries out mixed smelting, then carry out refine through top-blown method, improve The purity of molten steel, cast saying in bumper mold poured into by acquisition molten steel, it is thus achieved that bumper blank, entered on blank surface Row sandblasting, increases surface roughness, then uses alkali liquor defat, utilizes differential arc oxidization technique to form ceramic of compact crystal layer after purification, At ceramic coated coating, place into 200-240 DEG C and be sintered 15-16 minute fully merging with alloy-layer, shape Become ceramic layer, to obtain final product.
CN201610722052.9A 2016-08-25 2016-08-25 High-carbon steel shock resistance Herba Plantaginis bumper and preparation method thereof Pending CN106086600A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106957982A (en) * 2017-04-07 2017-07-18 安徽宏祥工业循环经济开发有限公司 Automotive hub fixed cover of the high dense structure of hardness and preparation method thereof

Citations (6)

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CN1650036A (en) * 2002-04-11 2005-08-03 普拉特技术股份有限公司 Process for extracting platinum group metals
CN101190841A (en) * 2006-12-01 2008-06-04 胡金高 Violet sand ceramics alloy material
CN101538646A (en) * 2009-04-28 2009-09-23 云南驰宏锌锗股份有限公司 Process method for producing copper sulfate by intensified leaching of copper-containing materials
CN101643857A (en) * 2009-08-25 2010-02-10 西部矿业股份有限公司 Comprehensive recovery method of complex polymetal sulphide ore containing copper, lead and zinc
CN102260821A (en) * 2010-05-24 2011-11-30 株式会社神户制钢所 High-strength cold-rolled steel sheet excellent in bending workability
CN104831057A (en) * 2015-06-08 2015-08-12 太原理工大学 Method of enriching nickel concentrates from low-level laterite-nickel ore

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1650036A (en) * 2002-04-11 2005-08-03 普拉特技术股份有限公司 Process for extracting platinum group metals
CN101190841A (en) * 2006-12-01 2008-06-04 胡金高 Violet sand ceramics alloy material
CN101538646A (en) * 2009-04-28 2009-09-23 云南驰宏锌锗股份有限公司 Process method for producing copper sulfate by intensified leaching of copper-containing materials
CN101643857A (en) * 2009-08-25 2010-02-10 西部矿业股份有限公司 Comprehensive recovery method of complex polymetal sulphide ore containing copper, lead and zinc
CN102260821A (en) * 2010-05-24 2011-11-30 株式会社神户制钢所 High-strength cold-rolled steel sheet excellent in bending workability
CN104831057A (en) * 2015-06-08 2015-08-12 太原理工大学 Method of enriching nickel concentrates from low-level laterite-nickel ore

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106957982A (en) * 2017-04-07 2017-07-18 安徽宏祥工业循环经济开发有限公司 Automotive hub fixed cover of the high dense structure of hardness and preparation method thereof

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