CN112646982A - Non-ferrous smelting waste short-process treatment system and application - Google Patents

Non-ferrous smelting waste short-process treatment system and application Download PDF

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Publication number
CN112646982A
CN112646982A CN202010957275.XA CN202010957275A CN112646982A CN 112646982 A CN112646982 A CN 112646982A CN 202010957275 A CN202010957275 A CN 202010957275A CN 112646982 A CN112646982 A CN 112646982A
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unit
slag
copper
magnetic separation
waste
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谌宏海
王明细
汪领锋
王细军
汤海波
邓红飞
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Hubei Dajiang Environmental Technology Co ltd
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Hubei Dajiang Environmental Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/04Working-up slag
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/30Combinations with other devices, not otherwise provided for
    • 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
    • C22B15/0078Leaching or slurrying with ammoniacal solutions, e.g. ammonium hydroxide
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006Wet processes
    • C22B7/008Wet processes by an alkaline or ammoniacal leaching
    • 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
    • C25C7/00Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004Systems for reclaiming waste heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004Systems for reclaiming waste heat
    • F27D2017/006Systems for reclaiming waste heat using a boiler
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a non-ferrous smelting waste short-flow processing system and application, and the non-ferrous smelting waste short-flow processing system comprises a material selecting unit, a slag cooling unit, a crushing unit, a magnetic separation unit, a cleaning unit, an ammonia leaching unit and a copper electrodeposition unit, wherein the material selecting unit is connected with the slag cooling unit, the slag cooling unit is connected with the crushing unit, the crushing unit is connected with the magnetic separation unit, the magnetic separation unit is connected with the cleaning unit, the cleaning unit is connected with the ammonia leaching unit, and the ammonia leaching unit is connected with the copper electrodeposition unit; the material selecting unit is used for selecting materials for furnace slag, the copper furnace slag is treated and recovered through the material selecting unit and the ammonia leaching unit, the operation flow is short, the efficiency of treating and recovering the copper furnace slag is improved, the quality of treating and recovering the copper furnace slag is improved through the matching use of the magnetic separation unit and the cleaning unit, the extraction rate of copper in the copper furnace slag is improved, and the copper furnace slag is treated and recovered.

Description

Non-ferrous smelting waste short-process treatment system and application
Technical Field
The invention relates to the technical field of smelting waste treatment, in particular to a non-ferrous smelting waste short-process treatment system and application.
Background
With the rapid development of the nonferrous smelting industry, the production and discharge amount of the nonferrous smelting solid waste is increased year by year. At present, the utilization rate of non-ferrous smelting solid waste is not more than 60%, the stockpiling of the solid waste not only occupies land, but also contains heavy metal toxic elements with high mobility, such as arsenic, boiler, skeleton, mineral, lead and the like, and causes great pollution and potential threat to the environment. Non-ferrous smelting solid waste has been considered as one of the main forms of heavy metal pollution of the environment. On the other hand, at present, mineral resources are in short supply, the lead, zinc and copper ore resources in the world are seriously insufficient, and the service life is less than 30 years. The non-ferrous smelting solid waste contains a plurality of valuable metals such as lead, zinc, copper and the like, and the content of the valuable metals mostly reaches or exceeds the metal content in natural ores. Environmental pollution and resource waste caused by non-ferrous smelting solid wastes seriously restrict the green sustainable development of the non-ferrous smelting industry. The green color of the industry is trending. Therefore, the safe treatment and the comprehensive management of the nonferrous metallurgy solid waste are particularly important, the method is an effective way for solving the resource problem and the environmental problem of the nonferrous metallurgy industry, and copper is a transition element with the atomic number of 29. Pure copper is soft metal, has red orange color band metallic luster when the surface is just cut, and has a purplish red simple substance. The high-copper smelting solid waste with good ductility, thermal conductivity and electrical conductivity is mainly divided into smelting furnace slag, smoke dust, acid sludge (lead filter cake and arsenic filter cake), anode sludge, water treatment sludge and the like. About 2.2 to 3 tons of slag are produced for producing 1 ton of copper. The main mineral compositions of the copper smelting slag are iron silicate, magnetic iron oxide, fayalite, magnetite and certain gangue. The copper slag contains various valuable metals such as copper, lead, zinc, cobalt, silver, iron and the like, and generally, the iron content exceeds 40 percent, and the copper content exceeds 0.5 percent, so the method is particularly important for treating and recycling the copper slag.
In the use process of the existing non-ferrous smelting waste treatment system, the process of treating and recycling the copper furnace slag is complex, so that the efficiency of treating and recycling the copper furnace slag is reduced; secondly, the quality of treating and recycling the copper slag is poor, the extraction rate of extracting copper from the copper slag is low, and the treatment and recycling of the copper slag are not facilitated, so that a non-ferrous smelting waste short-flow treatment system and application are provided.
Disclosure of Invention
The invention aims to provide a non-ferrous smelting waste short-process treatment system and application thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a non-ferrous smelting waste short-flow processing system comprises a material selecting unit, a slag cooling unit, a crushing unit, a magnetic separation unit, a cleaning unit, an ammonia leaching unit and a copper electrodeposition unit, wherein the material selecting unit is connected with the slag cooling unit, the slag cooling unit is connected with the crushing unit, the crushing unit is connected with the magnetic separation unit, the magnetic separation unit is connected with the cleaning unit, the cleaning unit is connected with the ammonia leaching unit, and the ammonia leaching unit is connected with the copper electrodeposition unit;
the material selecting unit is used for selecting the furnace slag;
the slag cooling unit is used for cooling the slag;
the crushing unit is used for crushing the selected slag;
the magnetic separation unit is used for finely separating the crushed slag;
the cleaning unit is used for cleaning the slag after magnetic separation;
the ammonia leaching unit is used for leaching the slag to generate stable monovalent cuprammonia complex ions from the slag;
the copper electrodeposition unit is used for preparing high-purity cathode copper by electrodeposition of an electrodeposition cell.
As further preferable in the present technical solution: the slag cooling unit is interactively connected with a waste heat recovery unit;
the waste heat recovery unit is used for recycling heat generated by the slag cooling unit and effectively utilizing energy, meanwhile, gas with a large amount of heat in the slag cooling unit exchanges heat with boiler water to generate steam and is connected with the steam turbine power station so as to introduce the steam into the steam turbine power station, and therefore the steam turbine power station generates electricity and plays a role in energy conservation.
As further preferable in the present technical solution: the crushing unit is interactively connected with a dust removal unit;
the dust removal unit is used for removing dust generated by the broken slag of the breaking unit through dust removal equipment, so that harm to the health of workers caused by the dust is avoided, and when the dust floats in the air, the environment around the breaking unit is protected.
As further preferable in the present technical solution: the magnetic separation unit is interactively connected with a screening unit;
and the screening unit is used for screening the slag subjected to the magnetic separation by the magnetic separation unit through screening equipment.
As further preferable in the present technical solution: the cleaning unit is interactively connected with a drying unit;
and the drying unit is used for drying the slag cleaned by the cleaning unit through drying equipment, so that the influence of moisture in the slag on the quality of the subsequent copper extraction of the slag is avoided.
As further preferable in the present technical solution: the ammonia leaching unit is connected with a liquid-solid separation unit in an interactive manner;
the liquid-solid separation unit; after the ammonia leaching unit is used for leaching, slag and leachate are separated through separation equipment.
As further preferable in the present technical solution: the liquid-solid separation unit is connected with a waste liquid purification unit;
the waste liquid purification unit is used for purifying the leachate waste liquid separated by the liquid-solid separation unit through waste liquid purification equipment, so that the environment pollution caused by the discharge of the leachate waste liquid separated by the liquid-solid separation unit is avoided.
As further preferable in the present technical solution: the ammonia leaching unit is connected with an impurity removal unit in an interactive manner;
and the impurity removal unit is used for adding the slag into the extraction solution, removing impurities in the slag, and keeping the monovalent copper ammine complex ions in the extraction solution to improve the quality of cathode copper.
As further preferable in the present technical solution: non-ferrous smelting waste short-process processing system mainly used for solving the problem that treatment effeciency is low and treatment effect is relatively poor when processing non-ferrous smelting waste of copper at present.
Compared with the prior art, the invention has the beneficial effects that:
firstly, in the using process of the invention, the copper slag is treated and recovered by the material selecting unit and the ammonia leaching unit, and the operation flow is short, thereby improving the efficiency of treating and recovering the copper slag.
And secondly, the magnetic separation unit and the cleaning unit are matched for use, so that the quality of treating and recycling the copper slag is improved, the extraction rate of copper in the copper slag is improved, and the copper slag is treated and recycled.
Drawings
FIG. 1 is a flow chart of the elements of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1, the present invention provides a technical solution: a non-ferrous smelting waste short-flow processing system comprises a material selecting unit, a slag cooling unit, a crushing unit, a magnetic separation unit, a cleaning unit, an ammonia leaching unit and a copper electrodeposition unit, wherein the material selecting unit is connected with the slag cooling unit, the slag cooling unit is connected with the crushing unit, the crushing unit is connected with the magnetic separation unit, the magnetic separation unit is connected with the cleaning unit, the cleaning unit is connected with the ammonia leaching unit, and the ammonia leaching unit is connected with the copper electrodeposition unit;
the material selecting unit is used for selecting the furnace slag;
the slag cooling unit is used for cooling the slag;
the crushing unit is used for crushing the selected slag;
the magnetic separation unit is used for finely separating the crushed slag;
the cleaning unit is used for cleaning the slag after magnetic separation;
the ammonia leaching unit is used for leaching the slag to ensure that the slag generates stable monovalent cuprammonia complex ions;
and the copper electrodeposition unit is used for preparing high-purity cathode copper by electrodeposition in an electrodeposition cell.
In this embodiment, specifically: the slag cooling unit is interactively connected with a waste heat recovery unit;
the waste heat recovery unit is used for recycling the heat generated by the slag cooling unit and effectively utilizing the energy, meanwhile, the gas with a large amount of heat of the slag cooling unit exchanges heat with boiler water to generate steam, and is connected with the steam turbine power station so as to lead the steam into the steam turbine power station, so that the power generation is carried out through the steam turbine power station, and the energy-saving effect is achieved; through the setting of waste heat recovery unit, when cooling the copper slag, heat cooperation boiler water in the slag carries out the heat exchange and produces steam, then is connected with the turbo power plant, lets in the turbo power plant with steam to generate electricity through the turbo power plant, effectively utilize the energy.
In this embodiment, specifically: the crushing unit is interactively connected with a dust removal unit;
the dust removal unit is used for removing dust generated by the slag crushed by the crushing unit through dust removal equipment, so that the dust is prevented from harming the health of workers, and the dust is prevented from floating in the air and playing a role in protecting the environment around the crushing unit; through the setting of dust removal unit, dust removal unit passes through the broken dust collecting equipment of ore, removes dust with the dust that the crushing unit produced when broken to the slag to make and protect the environment around the crushing unit, and protect the healthy of staff, avoid causing harm to staff's the healthy.
In this embodiment, specifically: the magnetic separation unit is interactively connected with a screening unit;
the screening unit is used for screening the slag magnetically separated by the magnetic separation unit through screening equipment; through the setting of screening unit, be convenient for screen the slag after the magnetic separation of magnetic separation unit for the slag size is unanimous roughly, is convenient for follow-up extraction operation to the slag.
In this embodiment, specifically: the cleaning unit is interactively connected with a drying unit;
the drying unit is used for drying the slag cleaned by the cleaning unit through drying equipment, so that the influence of moisture in the slag on the quality of subsequent copper extraction of the slag is avoided; through the setting of drying unit, through drying equipment to the slag after washing through the cleaning unit drying for the moisture on the slag is dried, thereby makes the slag extract copper's extraction quality higher.
In this embodiment, specifically: the ammonia leaching unit is connected with a liquid-solid separation unit in an interactive way;
a liquid-solid separation unit; after the ammonia leaching unit is leached, slag and leachate are separated by separation equipment; through the setting of liquid-solid separation unit, including splitter in the liquid-solid separation unit, use splitter to separate slag and leachate, be convenient for follow-up electrodeposition operation to the slag.
In this embodiment, specifically: the liquid-solid separation unit is connected with a waste liquid purification unit;
the waste liquid purification unit is used for purifying the leachate waste liquid separated by the liquid-solid separation unit through waste liquid purification equipment, so that the environment pollution caused by the discharge of the leachate waste liquid separated by the liquid-solid separation unit is avoided; through the setting of waste liquid purification unit, after separating slag and leachate through liquid-solid separation unit, purify the leachate of separating out through waste liquid purification unit, avoid discharging the leachate and cause the pollution to the environment.
In this embodiment, specifically: the ammonia leaching unit is connected with an impurity removal unit in an interactive way;
the impurity removal unit is used for adding the slag into the extraction solution, removing impurities in the slag, and keeping monovalent copper ammine complex ions in the extraction solution to improve the quality of cathode copper; through the setting of edulcoration unit, improve the purity of drawing the slag to improve the quality of handling the recovery to the slag.
In this embodiment, specifically: non-ferrous smelting waste short-process processing system mainly used for solving the problem that treatment effeciency is low and treatment effect is relatively poor when processing non-ferrous smelting waste of copper at present.
The working principle or the structural principle is that when the device is used, slag produced by copper smelting enters the material selecting unit, heat in the slag is recovered through a slag cooling unit pair in the material selecting unit, heat gas carried by the slag cooling unit exchanges heat with boiler water to generate steam and is connected with a steam turbine power station to introduce the steam into the steam turbine power station, so that power is generated through the steam turbine power station, energy is effectively utilized, then the slag enters the crushing unit to be crushed, the subsequent treatment on the slag is facilitated, when the slag is crushed through the crushing unit, the dust removing unit removes dust produced when the slag is crushed through the crushing unit through ore crushing dust removing equipment, so that the environment around the crushing unit is protected, the working health of workers is protected, and harm to the health of the workers is avoided, crushing the slag, feeding the crushed slag into a magnetic separation unit, sucking the slag with high magnetic conductivity by a magnetic disc through magnetic separation equipment, dropping the slag after magnetic loss, collecting the slag through an aggregate funnel, not sucking the slag with low magnetic conductivity, magnetically separating the slag, further screening the slag through a screening unit after magnetic separation so that the slag is basically consistent in size, facilitating subsequent slag extraction operation, feeding the slag into a cleaning unit after screening the slag, cleaning the slag through slag cleaning equipment so as to improve the slag extraction purity, feeding the slag into a drying unit after cleaning the slag, drying the slag cleaned through the cleaning unit through drying equipment so as to dry moisture on the slag, so that the extraction quality of copper from the slag is higher, and feeding the slag into an ammonia leaching unit, leaching the slag to enable the slag to generate stable monovalent cuprammonia complex ions, separating the slag from the leachate by a separating device after the slag enters a liquid-solid separation unit, facilitating subsequent electrodeposition operation on the slag, discharging the separated leachate into a waste liquid purification unit, purifying the separated leachate by the waste liquid purification unit to avoid environment pollution caused by the discharge of the leachate, removing impurities from the separated slag by an impurity removal unit, adding an extraction solution into the slag, removing the impurities from the slag, and leaving the monovalent cuprammonia complex ions in the extraction solution to improve the quality of cathode copper.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a non-ferrous smelting waste short process processing system, includes material selecting unit, slag cooling unit, crushing unit, magnetic separation unit, cleaning unit, ammonia leaching unit and copper electrodeposition unit, its characterized in that: the material selecting unit is connected with the slag cooling unit, the slag cooling unit is connected with the crushing unit, the crushing unit is connected with the magnetic separation unit, the magnetic separation unit is connected with the cleaning unit, the cleaning unit is connected with the ammonia leaching unit, and the ammonia leaching unit is connected with the copper electrodeposition unit;
the material selecting unit is used for selecting the furnace slag;
the slag cooling unit is used for cooling the slag;
the crushing unit is used for crushing the selected slag;
the magnetic separation unit is used for finely separating the crushed slag;
the cleaning unit is used for cleaning the slag after magnetic separation;
the ammonia leaching unit is used for leaching the slag to generate stable monovalent cuprammonia complex ions from the slag;
the copper electrodeposition unit is used for preparing high-purity cathode copper by electrodeposition of an electrodeposition cell.
2. The nonferrous smelting waste short run processing system according to claim 1, wherein: the slag cooling unit is interactively connected with a waste heat recovery unit;
the waste heat recovery unit is used for recycling heat generated by the slag cooling unit and effectively utilizing energy, meanwhile, gas with a large amount of heat in the slag cooling unit exchanges heat with boiler water to generate steam and is connected with the steam turbine power station so as to introduce the steam into the steam turbine power station, and therefore the steam turbine power station generates electricity and plays a role in energy conservation.
3. The nonferrous smelting waste short run processing system according to claim 1, wherein: the crushing unit is interactively connected with a dust removal unit;
the dust removal unit is used for removing dust generated by the broken slag of the breaking unit through dust removal equipment, so that harm to the health of workers caused by the dust is avoided, and when the dust floats in the air, the environment around the breaking unit is protected.
4. The nonferrous smelting waste short run processing system according to claim 1, wherein: the magnetic separation unit is interactively connected with a screening unit;
and the screening unit is used for screening the slag subjected to the magnetic separation by the magnetic separation unit through screening equipment.
5. The nonferrous smelting waste short run processing system according to claim 1, wherein: the cleaning unit is interactively connected with a drying unit;
and the drying unit is used for drying the slag cleaned by the cleaning unit through drying equipment, so that the influence of moisture in the slag on the quality of the subsequent copper extraction of the slag is avoided.
6. The nonferrous smelting waste short run processing system according to claim 1, wherein: the ammonia leaching unit is connected with a liquid-solid separation unit in an interactive manner;
the liquid-solid separation unit; after the ammonia leaching unit is used for leaching, slag and leachate are separated through separation equipment.
7. The nonferrous smelting waste short run processing system according to claim 1, wherein: the liquid-solid separation unit is connected with a waste liquid purification unit;
the waste liquid purification unit is used for purifying the leachate waste liquid separated by the liquid-solid separation unit through waste liquid purification equipment, so that the environment pollution caused by the discharge of the leachate waste liquid separated by the liquid-solid separation unit is avoided.
8. The nonferrous smelting waste short run processing system according to claim 1, wherein: the ammonia leaching unit is connected with an impurity removal unit in an interactive manner;
and the impurity removal unit is used for adding the slag into the extraction solution, removing impurities in the slag, and keeping the monovalent copper ammine complex ions in the extraction solution to improve the quality of cathode copper.
9. The use of a short process for nonferrous smelting waste according to claim 1, wherein the short process comprises: non-ferrous smelting waste short-process processing system mainly used for solving the problem that treatment effeciency is low and treatment effect is relatively poor when processing non-ferrous smelting waste of copper at present.
CN202010957275.XA 2020-09-13 2020-09-13 Non-ferrous smelting waste short-process treatment system and application Pending CN112646982A (en)

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CN115466849A (en) * 2022-10-18 2022-12-13 兴化市同创再生资源有限公司 Slag metal recovery system for high-carbon chromium iron electric furnace
CN115815290A (en) * 2023-02-16 2023-03-21 云南省生态环境科学研究院 Non-ferrous metal smelting waste environment-friendly treatment equipment and use method thereof

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CN102230083A (en) * 2011-07-11 2011-11-02 湖南宇腾有色金属股份有限公司 Method for separating copper from lead copper matte
CN102994747A (en) * 2011-09-13 2013-03-27 郴州市金贵银业股份有限公司 Technology for recovering metallic copper from high-lead copper matte
CN102703728A (en) * 2012-04-11 2012-10-03 福建省长乐市华拓五金有限公司 Recovery treatment process of brass slag
CN103555959A (en) * 2013-11-07 2014-02-05 广西桂柳化工有限责任公司 Technology for comprehensively recycling leaching residue in production of electrolytic manganese metal and manganese dioxide
CN111172412A (en) * 2020-01-17 2020-05-19 北京矿冶科技集团有限公司 Method for extracting manganese and comprehensively recovering nickel, cobalt and copper by cobalt-manganese multi-metal oxide ore dressing and smelting
CN111206157A (en) * 2020-04-14 2020-05-29 大冶有色金属有限责任公司 High-efficient environmental protection recovery system of valuable metal of useless circuit board

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CN115466849A (en) * 2022-10-18 2022-12-13 兴化市同创再生资源有限公司 Slag metal recovery system for high-carbon chromium iron electric furnace
CN115815290A (en) * 2023-02-16 2023-03-21 云南省生态环境科学研究院 Non-ferrous metal smelting waste environment-friendly treatment equipment and use method thereof
CN115815290B (en) * 2023-02-16 2023-04-28 云南省生态环境科学研究院 Environment-friendly treatment equipment for nonferrous metal smelting waste and application method thereof

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