CN107190148A - Handle the method and its system of metal alloy - Google Patents
Handle the method and its system of metal alloy Download PDFInfo
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- CN107190148A CN107190148A CN201710527945.2A CN201710527945A CN107190148A CN 107190148 A CN107190148 A CN 107190148A CN 201710527945 A CN201710527945 A CN 201710527945A CN 107190148 A CN107190148 A CN 107190148A
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- metal
- carbonylation
- aerosol
- carbonyl compound
- sulfide
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working 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
- C22B7/001—Dry processes
- C22B7/002—Dry processes by treating with halogens, sulfur or compounds thereof; by carburising, by treating with hydrogen (hydriding)
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/02—Obtaining noble metals by dry processes
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The present invention proposes the method and its system of processing metal alloy, and metal alloy contains various metals, and specific method includes：Vulcanizing treatment is carried out to metal alloy using vulcanizing agent, to obtain metal sulfide；Metal sulfide is handled using carbon monoxide, so that oxonation occurs for metal sulfide, to obtain slag after composition metal carbonyl compound and carbonylation, wherein, slag contains noble metal after carbonylation, and composition metal carbonyl compound includes the carbonyls of at least one of various metals；Composition metal carbonyl compound is subjected to steam pressure atomization, to obtain aerosol；And be fractionated aerosol, to be separated to the various carbonyls included in aerosol.The metal separation and Extraction rate in metal alloy can be significantly improved using this method.
Description
Technical field
The present invention relates to alloy field, specifically, the present invention relates to the method and its system of processing metal alloy.
Background technology
Dilval is a kind of ferroalloy, is generally used for stainless steel smelting raw material.Lateritic nickel ore is smelting ferronickel alloy
Ore, is distributed in the areas such as Indonesia, Cuba, central africa, and containing in the laterite of certain areas output can
Platinum, the Jin Heyin of suitable content are enriched in the noble metals such as platinum, the gold, silver of sight, the dilval smelted using this kind of laterite.
Generally, hydrometallurgy means are used to separate dilval to obtain noble metal and realize the separation of nickel and iron.But this
Planting hydrometallurgy means causes metallic iron and nickel to be changed into the compound form product output such as oxide or sulfate from metallic state.
Therefore, the means of existing processing metal alloy still have much room for improvement.
The content of the invention
It is contemplated that at least solving one of above-mentioned technical problem to a certain extent or providing at a kind of useful business
Industry is selected.Therefore, it is an object of the present invention to propose a kind of method and its system for handling metal alloy.
In one aspect of the invention, the present invention proposes a kind of method for handling metal alloy, and the metal alloy contains
There are various metals, embodiments in accordance with the present invention, processing method includes：The metal alloy is carried out at vulcanization using vulcanizing agent
Reason, to obtain metal sulfide；The metal sulfide is handled using carbon monoxide, so that the metal sulphur
Oxonation occurs for the metal in compound, to obtain slag after composition metal carbonyl compound and carbonylation, wherein, slag after the carbonylation
Containing noble metal, the composition metal carbonyl compound includes the carbonyls of at least one of the various metals；Will be described multiple
Close carbonyls and carry out steam pressure atomization, to obtain aerosol；And be fractionated the aerosol, so as to institute
The various carbonyls included in aerosol are stated to be separated.Alloy is handled using the above method of the present invention
Polymetallic separation and purification can be achieved.The treatment effeciency of metal alloy can be significantly improved using this method, metal is improved and closes
Metal fall in gold, the purity of the metal proposed from metal alloy can be significantly improved especially with this method.
In addition, metal alloy processing method according to the above embodiment of the present invention can also have technology additional as follows special
Levy：
Embodiments in accordance with the present invention, the vulcanizing agent is at least one selected from sulphur, ferrous sulfide and hydrogen sulfide.
It is possible thereby to further improve curing efficiency.
Embodiments in accordance with the present invention, the metal alloy is selected from dilval, nichrome, ferrochrome and vanadium
At least one of ferroalloy.
Embodiments in accordance with the present invention, the oxonation is the temperature and 20~22MPa at 200~300 degrees Celsius
Carried out under pressure.It is possible thereby to further improve carbonylation efficiency.
Sulfur content is 2~5 weight % in embodiments in accordance with the present invention, the metal sulfide.
Embodiments in accordance with the present invention, the fractionation includes the aerosol being heated to 300~350 degrees Celsius, with
Just the various carbonyls included in the aerosol are separated.It is possible thereby to by different carbonyls,
Such as carbonyl nickel and the separation of glycosyl iron, further to improve separative efficiency and the purity of obtained carbonyls.
Embodiments in accordance with the present invention, further comprise the separate precious metal from slag after the carbonylation.It is possible thereby to enter one
Step improves the metal fall in metal alloy.
Embodiments in accordance with the present invention, the noble metal is at least one selected from platinum, gold and silver.
In another aspect of the present invention, the present invention proposes a kind of system for handling metal alloy, according to this hair
Bright embodiment, the system includes：
Vulcanization plant, the vulcanization plant has metallic alloy inlet, vulcanizing agent entrance and metal sulfide outlet；
There is carbonylation device, the carbonylation device metal sulfide entrance, carbon monoxide inlet, composition metal carbonyl compound to go out
Slag is exported after mouth and carbonylation, and the metal sulfide entrance is connected with metal sulfide outlet；
Atomising device, the atomising device has composition metal carbonyl compound entrance and aerosol outlet, the compound gold
Category carbonyl compound entrance is connected with composition metal carbonyl compound outlet；And
Fractionating device, the fractionating device has aerosol entrance and carbonyls outlet, and the aerosol enters
Mouth is connected with aerosol outlet, and suitable for being separated to the various carbonyls included in aerosol.
The treatment effeciency of metal alloy can be significantly improved using the system, the metal fall in metal alloy is improved,
The purity of the metal proposed from metal alloy can be significantly improved especially with the system.
Embodiments in accordance with the present invention, the system of above-mentioned processing alloy further comprises：Precious metal separation device is described expensive
Metal separating device is connected with slag outlet after the carbonylation of the carbonylation device, and suitable for the separate precious metal from slag after carbonylation.By
This can further improve the metal fall of metal alloy.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the flow chart of the method for processing metal alloy according to an embodiment of the invention；
Fig. 2 is the structure chart of the system of processing metal alloy according to an embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the device or element of meaning must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In one aspect of the invention, the present invention proposes a kind of method for handling metal alloy, and the alloy contains a variety of
Metal.According to one embodiment of present invention, handling the specific method of the alloy includes：Metal alloy is carried out using vulcanizing agent
Vulcanizing treatment, to obtain metal sulfide；Metal sulfide is handled using carbon monoxide, so that metal vulcanizes
Oxonation occurs for thing, to obtain slag after composition metal carbonyl compound and carbonylation, wherein, slag contains noble metal after carbonylation, multiple
Close the carbonyls that carbonyls include at least one of various metals；Composition metal carbonyl compound is subjected to steam pressure atomization,
To obtain aerosol；And be fractionated aerosol, so as to the various metal carbonylations included in aerosol
Thing is separated.
The pending metal alloy composition of the present invention is complicated, wherein containing various metals composition, in the prior art to metal
The separation method of alloy is more complicated, and separates not thorough enough.The present inventor is found surprisingly that by the way that metal alloy is first
Carbonylation is first carried out, slag after various metals carbonyl compounds and carbonylation is obtained, then slag after various metals carbonyl compound and carbonylation is entered respectively
Row separating treatment, various metals carbonyl compound can be separated according to the boiling point of different metal carbonyl compound, while can be with carbonylation
The noble metal contained afterwards in slag is separated.In carbonylation processing procedure, inventor be also found, metal alloy is directly carried out into carbonyl
Change, its carbonylation not exclusively, causes metal separation and Extraction rate not high.Therefore inventor studies the carbonyl for how improving metal alloy again
Metal alloy is carried out vulcanizing treatment by rate, inventor's discovery in advance, carbonylation rate can be significantly improved, while not increasing by-product
Thing, it is possible thereby to further improve the treatment effeciency of metal alloy.Thus can using the method for the processing metal alloy of the present invention
So that the various metals included in metal alloy effectively are carried out into separating-purifying, single metal simple-substance is obtained.
The method of above-mentioned processing metal alloy of the invention is described in detail below with reference to Fig. 1：
S100：Vulcanizing treatment
According to one embodiment of present invention, pending metal alloy of the invention is not particularly restricted, according to this hair
Bright specific embodiment, because the widely applicable therefore pending metal alloy of the method for the processing alloy of the present invention can be
At least one selected from dilval, nichrome, ferrochrome and vanadium iron.It is possible thereby to further improve metal point
From recovery rate.
According to one embodiment of present invention, vulcanizing treatment is carried out to metal alloy first with vulcanizing agent, to obtain
Metal sulfide.According to a particular embodiment of the invention, the type of above-mentioned vulcanizing agent is not particularly restricted, according to the present invention's
Specific embodiment, vulcanizing agent can be at least one of sulphur, ferrous sulfide and hydrogen sulfide.It is possible thereby to further improve sulphur
Change efficiency and vulcanization rate, further to improve the treatment effeciency of metal alloy.
According to a particular embodiment of the invention, metal alloy is carried out to after vulcanizing treatment again carbonylation first based on inventor's
Find below：
According to one embodiment of present invention, metal alloy is subjected to vulcanizing treatment formation metal sulfide, metal vulcanization
Thing further generates metal simple-substance and cos in CARBONYLATION PROCESSES with reaction of carbon monoxide, and specific reaction equation can be expressed as MS
With metal alloy back reaction occurs for+CO → M+COS, further, cos again：M+COS → MS+CO, thus, cos
(COS) become in order to it is a kind of can to inner metallic layer delivery of carbon monoxide compound so that carbon monoxide can be closed with metal
Oxonation occurs for the metal inside gold so that in metal alloy to greatest extent by carbonylation.It is hereby based on the above-mentioned hair of invention
Metal alloy is now carried out to vulcanizing treatment first can significantly improve the carbonylation rate of metal alloy, be closed further to improve metal
The metal separation and Extraction rate of gold.
According to one embodiment of present invention, sulfur content is 2~5 weight % in metal sulfide.It is possible thereby to further
Improve the carbonylation rate of metal in metal alloy.
S200：Oxonation
According to one embodiment of present invention, metal sulfide is handled using carbon monoxide, so that metal
Oxonation occurs for sulfide, to obtain slag after composition metal carbonyl compound and carbonylation, wherein, your gold slag contains after carbonylation
Category, composition metal carbonyl compound includes the carbonyls of at least one of various metals.
According to a particular embodiment of the invention, during carbon monoxide reacts with metal sulfide, in alloy
Portion forms more " cavity " so that the specific surface area of product is effectively expanded, and then can improve kinetics bar
Part.
According to one embodiment of present invention, above-mentioned oxonation be 200~300 degrees Celsius of temperature and 20~
Carried out under 22MPa pressure.It is possible thereby to further improve the carbonylation rate of the metal in metal alloy.So as to further raising
The treatment effeciency of metal.
S300：Steam pressure atomization, fractionation
According to a particular embodiment of the invention, the metal in metal alloy by carbonylation into composition metal carbonyl compound.According to
One embodiment of the present of invention, further carries out steam pressure atomization by the composition metal carbonyl compound, so as to atomized product, by
This obtains the higher a variety of mixing carbonyl compounds of purity.Composition metal carbonyl compound can also be atomized into fine grained by steam pressure atomization simultaneously
Material, it is possible thereby to effectively improve the specific surface area of composition metal carbonyl compound, improves synthetic reaction dynamics effective way.
According to a particular embodiment of the invention, it is under 0.1MPa pressure, to be heated to 300 steam pressure atomization to be carried out to carbonyl compound
~350 degrees Celsius of progress steam pressure atomizations, the steam pressure atomization process can further improve the purity of composition metal carbonyl compound, so as to
Further wherein different carbonyls are separated.
According to one embodiment of present invention, according to the boiling point of different metal carbonyl compound, by being fractionated processing by above-mentioned mist
Change the different metal carbonyl compound contained in product to be separated.According to a particular embodiment of the invention, aerosol can be added
Heat is to the arbitrary temp in 50~200 degrees Celsius, so as to isolated purpose carbonyls.For example, according to the tool of the present invention
Body embodiment, can be heated to 52 DEG C degrees Celsius, cut is carbonyl nickel；105 DEG C degrees Celsius are heated to, cut is carbonyl iron.Root
According to the specific embodiment of the present invention, the carbonyls for further obtaining fractionation decompose obtaining metal simple-substance.
S400：Separate precious metal
According to one embodiment of present invention, the method for above-mentioned processing metal alloy can further include after carbonylation
Separate precious metal in slag.It is possible thereby to further improve metal fall.
According to one embodiment of present invention, above-mentioned noble metal isolated in slag after carbonylation be selected from platinum, gold with
And at least one of silver.It is possible thereby to further improve the metal fall in metal alloy, it is to avoid the wasting of resources.
In another aspect of the present invention, the present invention proposes a kind of system for handling metal alloy.Below with reference to
The system of the processing metal alloy of the present invention is described in detail Fig. 2.
According to a particular embodiment of the invention, the system includes：The vulcanization plant 100 that is sequentially connected, carbonylation device 200,
Atomising device 300 and fractionating device 400.Specifically, vulcanization plant 100 has metallic alloy inlet 110, vulcanizing agent entrance
120 and metal sulfide outlet 130；Carbonylation device 200 has metal sulfide entrance 210, carbon monoxide inlet 220, is combined
Slag outlet 240 behind carbonyls outlet 230 and carbonylation, the metal sulfide entrance 210 is exported with the metal sulfide
130 are connected；Atomising device 300 has composition metal carbonyl compound entrance 310 and aerosol outlet 320, the composition metal carbonyl
Compound entrance 310 is connected with composition metal carbonyl compound outlet 230；And fractionating device 400 has aerosol entrance 410
With carbonyls outlet 420, the aerosol entrance 410 is connected with aerosol outlet 320, and suitable for atomization
Various carbonyls included in product are separated.
According to one embodiment of present invention, metal alloy is carried out at vulcanization using vulcanizing agent in vulcanization plant 100
Reason, to obtain metal sulfide.
According to one embodiment of present invention, carbonylation device 200 is connected with vulcanization plant 100, thus utilizes carbon monoxide
The metal sulfide discharged from vulcanization plant 100 is handled in carbonylation device 200, so that in metal sulfide
Metal occur oxonation, to obtain slag after composition metal carbonyl compound and carbonylation, wherein, your gold slag contains after carbonylation
Category, composition metal carbonyl compound includes the carbonyls of at least one of various metals.
According to one embodiment of present invention, atomising device 300 is connected with carbonylation device 200, so as to by composition metal carbonyl
Compound carries out steam pressure atomization, to obtain aerosol.
According to one embodiment of present invention, fractionating device 400 is connected with atomising device 300, so as to which aerosol is entered
Row fractionation, to be separated to the various carbonyls included in aerosol.
According to one embodiment of present invention, as shown in Fig. 2 the system of above-mentioned processing metal alloy further comprises：It is expensive
Metal separating device 500, the precious metal separation device 500 240 is connected with slag outlet after the carbonylation of carbonylation device 200, so as to from
Separate precious metal in slag after carbonylation.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from the principle and objective of the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (10)
1. a kind of method for handling metal alloy, the metal alloy contains various metals, it is characterised in that including：
Vulcanizing treatment is carried out to the metal alloy using vulcanizing agent, to obtain metal sulfide；
The metal sulfide is handled using carbon monoxide, so that oxonation occurs for the metal sulfide,
To obtain slag after composition metal carbonyl compound and carbonylation, wherein, slag contains noble metal, the composition metal carbonyl after the carbonylation
Compound includes the carbonyls of at least one of the various metals；
The composition metal carbonyl compound is subjected to steam pressure atomization, to obtain aerosol；And
The aerosol is fractionated, to be divided the various carbonyls included in the aerosol
From.
2. according to the method described in claim 1, it is characterised in that the vulcanizing agent is selected from sulphur, ferrous sulfide and sulphur
Change at least one of hydrogen.
3. according to the method described in claim 1, it is characterised in that the metal alloy be selected from dilval, nichrome,
At least one of ferrochrome and vanadium iron.
4. according to the method described in claim 1, it is characterised in that the oxonation is the temperature at 200~300 degrees Celsius
With carry out under 20~22MPa pressure.
5. according to the method described in claim 1, it is characterised in that sulfur content is 2~5 weight % in the metal sulfide.
6. according to the method described in claim 1, it is characterised in that the fractionation includes the aerosol being heated to 300
~350 degrees Celsius, to be separated to the various carbonyls included in the aerosol.
7. according to the method described in claim 1, it is characterised in that further comprise your gold is separated from slag after the carbonylation
Category.
8. according to the method described in claim 1, it is characterised in that the noble metal is at least one selected from platinum, gold and silver
Kind.
9. a kind of system for the method for implementing any one of claim 1~8 processing metal alloy, it is characterised in that including：
Vulcanization plant, the vulcanization plant has metallic alloy inlet, vulcanizing agent entrance and metal sulfide outlet；
Carbonylation device, the carbonylation device have metal sulfide entrance, carbon monoxide inlet, composition metal carbonyl compound outlet and
Slag is exported after carbonylation, and the metal sulfide entrance is connected with metal sulfide outlet；
Atomising device, the atomising device has composition metal carbonyl compound entrance and aerosol outlet, the composition metal carbonyl
Compound entrance is connected with composition metal carbonyl compound outlet；And
Fractionating device, the fractionating device have aerosol entrance and carbonyls outlet, the aerosol entrance with
The aerosol outlet is connected, and suitable for being separated to the various carbonyls included in aerosol.
10. system according to claim 9, it is characterised in that further comprise：
Precious metal separation device, the precious metal separation device is connected with slag outlet after the carbonylation of the carbonylation device, and is suitable to
The separate precious metal from slag after carbonylation.
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| CN110331313A (en) * | 2019-06-24 | 2019-10-15 | 北京科技大学 | A kind of preparation method of high-strength highly-conductive antifriction copper contact wire |
| CN114014373A (en) * | 2021-10-22 | 2022-02-08 | 金川镍钴研究设计院有限责任公司 | Process method for producing carbonyl nickel powder and carbonyl iron powder from nickel iron particles |
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| CN114014373A (en) * | 2021-10-22 | 2022-02-08 | 金川镍钴研究设计院有限责任公司 | Process method for producing carbonyl nickel powder and carbonyl iron powder from nickel iron particles |
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| CN107190148B (en) | 2019-03-12 |
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