CN206956120U - Short route copper metallurgy system - Google Patents

Short route copper metallurgy system Download PDF

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Publication number
CN206956120U
CN206956120U CN201720699517.3U CN201720699517U CN206956120U CN 206956120 U CN206956120 U CN 206956120U CN 201720699517 U CN201720699517 U CN 201720699517U CN 206956120 U CN206956120 U CN 206956120U
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China
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copper
slag
smelting
stove
chamber
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CN201720699517.3U
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Inventor
李东波
陆志方
李兵
梁帅表
尉克俭
刘诚
黎敏
茹洪顺
蒋继穆
曹珂菲
张海鑫
颜杰
李锋
陆金忠
周钢
刘恺
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China ENFI Engineering Corp
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China ENFI Engineering Corp
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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 utility model provides a kind of short route copper metallurgy system.It includes smelting furnace to the copper metallurgy system, makes copper stove and CR stoves；Smelting furnace is used to carry out melting to copper concentrate with the copper matte regulus of output first and smelting slag, and smelting furnace is provided with the outlet of the first copper matte regulus and smelting slag outlet；Make copper stove to be provided with copper matte regulus entrance and make copper ashes outlet, copper matte regulus entrance is exported with the first copper matte regulus and connected by the first chute, is made copper stove and is used to the first copper matte regulus is carried out making copper reaction to generate anode copper and make copper ashes；CR stoves are provided with smelting slag entrance, and smelting slag entrance is exported with smelting slag and connected by the second chute, and CR stoves are used to reduce fuming and sedimentation to smelting slag to reclaim the valuable metal in smelting slag, and make harmless slag.The copper metallurgy system realizes short route copper metallurgy, while completes valuable metal synthetical recovery and the harmless slag of the direct output of CR stoves in output anode copper, smelting slag, has industrialization large-scale application prospect well.

Description

Short route copper metallurgy system
Technical field
The application is related to copper metallurgy field, in particular to a kind of short route copper metallurgy system.
Background technology
Traditional copper smelting by pyrometallurgy technique, including three melting, blowing, refining steps, wherein smelting furnace is by copper concentrate melting Into the matte (being also copper matte regulus) of cupric 40~60%；Converting furnace is by the blowing refinement of the matte into blister copper；Refining furnace (anode furnace) is by blister copper Anode copper is refined into, subsequently sends to electrolysis production cathode plate.
On the other hand, smelting slag is all handled using slow cooling, broken, ore grinding, dense and flotation slag ore-dressing technique at present, The slag concentrate Returning smelting system of output, slag mine tailing are then abandoned or taken out as building materials raw material.The technological process is tediously long, takes up an area face Product is big, it is often more important that the valuable metal such as zinc, lead, antimony in slag enters slag mine tailing, is not recycled utilization, causes valuable The huge waste of resource；And existing each heavy metal species itself can also in the beneficiation reagent added in slag ore dressing process, and slag Cause environment potential pollution hidden danger.
Utility model content
The main purpose of the application is to provide a kind of short route copper metallurgy system, to solve in the copper smelting method of prior art Valuable metal, which is lost in, to be wasted, pollutes the problem of environment.
To achieve these goals, according to the one side of the application, there is provided a kind of short route copper metallurgy system, it is wrapped Include：Smelting furnace, for carrying out melting to copper concentrate with the copper matte regulus of output first and smelting slag；Smelting furnace is provided with the outlet of the first copper matte regulus Exported with smelting slag；Copper stove is made, copper stove is made and is provided with copper matte regulus entrance and makes copper ashes outlet, copper matte regulus entrance and the outlet of the first copper matte regulus are logical The connection of the first chute is crossed, copper stove is made and is used to the first copper matte regulus is carried out making copper reaction to generate anode copper and make copper ashes；And CR stoves, CR stoves are provided with smelting slag entrance, and smelting slag entrance is exported with smelting slag and connected by the second chute, and CR stoves are used for smelting slag Fuming and sedimentation reduce to reclaim the valuable metal in smelting slag, and makes harmless slag.
Further, smelting furnace is bottom-blown smelting stove or side-blown smelting furnace.
Further, smelting furnace, which is provided with, makes copper ashes entrance, the copper ashes of making after cooling is passed through into smelting furnace.
Further, copper stove is made to be additionally provided with：First spray gun, it is arranged on the sidepiece for making copper stove or bottom；And flux enters Mouthful, for being passed through flux.
Further, the body of heater for making copper stove is horizontal cylinder type body of heater.
Further, make copper stove and be additionally provided with cold burden entrance, for make added in copper stove cathode copper anode scrap, copper scap and One or more in solid-state copper matte regulus.
Further, making copper system system also includes cooling device, and cooling device is used to cool to making copper stove.
Further, cooling device is negative pressure water jacketing or water spray fog cooling apparatus.
Further, make copper stove and be additionally provided with anode copper outlet；Short route copper metallurgy system also includes casting equipment, and casting is set It is standby with anode copper outlet, for carrying out casting processing to anode copper.
Further, casting equipment is double-arc spline casting machine.
Further, CR stoves for set in parallel or series it is multiple, make copper stove be arranged in parallel it is multiple.
Further, CR stoves include cavity, and cavity includes the reduction fuming chamber and sedimentation chamber being connected, reduction fuming chamber with Smelting slag outlet, for carrying out reduction fuming process to smelting slag, reduce and be provided with exhanst gas outlet on fuming chamber；Sedimentation chamber For carrying out settlement treatment to caused reducing slag after reduction fuming process, and sedimentation chamber is provided with the second copper matte regulus outlet and harmless Slag outlet；Or CR stoves include cavity, cavity includes the reduction fuming chamber and sedimentation chamber, sedimentation chamber and smelting slag being connected Outlet, for carrying out settlement treatment to smelting slag, and sedimentation chamber is provided with the outlet of the second copper matte regulus；Fuming chamber is reduced to be used for pair Caused sedimentation slag carries out reduction fuming process after settlement treatment, reduces and exhanst gas outlet and the discharge of harmless slag are provided with fuming chamber Mouthful.
Further, partition wall is additionally provided with cavity, cavity is divided into reduction fuming chamber and sedimentation chamber, reduces fuming chamber It is located at the both sides of partition wall respectively in the horizontal direction with sedimentation chamber, and reduces the communicating passage of fuming chamber and sedimentation chamber close to cavity bottom Portion is set.
Further, reduction fuming chamber is additionally provided with：Second spray gun, the sidepiece of reduction fuming chamber is arranged on, for also Reducing agent is added in former fuming chamber；Charge door, the top of reduction fuming chamber is arranged on, is trapped for being added into reduction fuming chamber Agent.
Further, sedimentation chamber is additionally provided with heating plant, for being incubated or being heated up to sedimentation chamber.
Further, heating plant is submersible burning nozzle or electrode.
Further, the outlet of the second copper matte regulus is additionally provided with the second copper matte regulus entrance, used to discharge the second bronze medal sulphur on smelting furnace So that the second bronze medal sulphur after cooling is passed through into smelting furnace.
Using the technical scheme of the application, there is provided a kind of short route copper metallurgy system.In above-mentioned short route copper metallurgy system, profit Melting can be carried out to copper concentrate, obtain the first copper matte regulus and smelting slag with smelting furnace., can using CR stoves after smelting slag is obtained Smelting slag is carried out to reduce fuming and sedimentation, and then the valuable metal in smelting slag can be reclaimed, such as metallic zinc, lead, antimony etc.. This just solve thes problems, such as that valuable metal is lost in waste in existing copper metallurgy technique, and avoids these and be lost in metals to ring The pollution problem in border；On the other hand, smelting slag is carried out reducing fuming and sedimentation instead of original slag beneficiation flowsheet, not only greatly Factory floor space is reduced greatly, makes technological process simpler, has also been inherently eliminated the choosing added in slag beneficiation flowsheet Pollution caused by ore deposit medicament.At the same time, it is necessary to which explanation, the utility model is the copper smelting device that a load chooses formula, by melting The copper matte regulus end of stove is directly connected by chute with making copper stove, and the slag output end of smelting furnace is directly connected by chute with CR stoves, real Show short route copper metallurgy, while complete valuable metal synthetical recovery and the direct output of CR stoves in output anode copper, smelting slag Harmless slag, there is industrialization large-scale application prospect well.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.In the accompanying drawings：
Fig. 1 shows the structural representation of the short route copper metallurgy system provided according to a kind of embodiment of the application；
Fig. 2 shows the structural representation of the short route copper metallurgy system provided according to a kind of embodiment of the application；
Fig. 3 shows the structural representation of the short route copper metallurgy system provided according to a kind of embodiment of the application；And
Fig. 4 shows the structural representation of the short route copper metallurgy system provided according to a kind of embodiment of the application.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, smelting furnace；20th, copper stove is made；30th, CR stoves；31st, fuming chamber is reduced；32nd, sedimentation chamber；33rd, partition wall；40th, casting is set It is standby.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, the copper smelting method flow of prior art is tediously long, and the processing especially to smelting slag needs Large area slag slow cooling field and complicated slag ore dressing link are wanted, adds construction cost and technical sophistication degree, and valuable metal be present It is lost in and wastes, pollutes the problem of environment.In order to solve as above problem, present applicant proposes a kind of short route copper metallurgy system, such as Fig. 1 Shown, the short route copper metallurgy system includes smelting furnace 10, makes copper stove 20, and CR stoves 30；Smelting furnace 10 is used to enter copper concentrate Row melting is with the copper matte regulus of output first and smelting slag；Smelting furnace 10 is provided with the outlet of the first copper matte regulus and smelting slag outlet；Make copper stove 20 It is provided with copper matte regulus entrance and makes copper ashes outlet, copper matte regulus entrance is exported with the first copper matte regulus and connected by the first chute, makes copper stove 20 and use In to the first copper matte regulus make copper reaction to generate anode copper and make copper ashes；CR stoves 30, CR stoves 30 are provided with smelting slag entrance, melt Refining slag entrance is exported with smelting slag and connected by the second chute, and CR stoves 30 are used to smelting slag is carried out reducing fuming and sedimentation to return Receive the valuable metal in smelting slag, and make harmless slag, compared with prior art, main-process stream greatly shortens, be advantageous to reduction build into This, reduces technical sophistication degree, and realize resource comprehensive utilization and eliminate environmentally friendly hidden danger.
" harmless slag " described herein refers to：The slag of heavy metal pollution will not be caused.
CR stoves full name is recovery (completely recycle) stove comprehensively.
In said apparatus, melting can be carried out to copper mine using smelting furnace 10, obtain the first copper matte regulus and smelting slag.Obtaining After smelting slag, smelting slag can be carried out using CR stoves 30 to reduce fuming and sedimentation, and then can reclaim valuable in smelting slag Metal, such as metallic zinc, lead, antimony etc..This just solve thes problems, such as that valuable metal is lost in waste in existing copper metallurgy technique, And avoid these and be lost in pollution problem of the metal to environment；On the other hand, smelting slag is carried out reducing fuming and sedimentation substitutes Original slag beneficiation flowsheet, is not only greatly reduced factory floor space, makes technological process simpler, also fundamentally disappear Except pollution caused by the beneficiation reagent that is added in slag beneficiation flowsheet.At the same time, it is necessary to explanation, it is of the present utility model on Copper smelting device is stated, CR stoves 30 connect with the slag output end of smelting furnace 10, make copper stove 20 and are connected with the copper matte regulus end of smelting furnace 10.So exist After copper mine progress melting is obtained into the first copper matte regulus and smelting slag, on the one hand the first copper matte regulus is carried out making copper reaction treatment to generating product The higher anode copper in position, is on the one hand again recycled the smelting slag of output in fusion process, that is, the load used is chosen The copper smelting device of formula, the step of highly shortened Copper making, there is industrialization large-scale application prospect well.
In a kind of preferred embodiment, CR stoves 30 are multiple to set in parallel or series.So, multiple CR stoves 30 use Work continuously or the second copper matte regulus of alternately operating mode output, valuable metal and the broken harmless slag of water, it is possible to increase treatment effeciency.When So, multiple tandems of CR stoves 30 processing smelting slag can also be utilized, further to improve treatment effect.It will not be repeated here.
In a kind of preferred embodiment of the utility model, it is multiple to be arranged in parallel to make copper stove 20.So equally can be with Improve the ability of equipment.
In a kind of typical embodiment of the utility model, as shown in Fig. 2 two that make copper stove 20 to be arranged in parallel, CR Stove is one；Or
In another typical embodiment of the utility model, as shown in figure 3, making copper stove 20 as one, CR stoves are parallel connection Two set；Or
Again in another typical embodiment of the utility model, as shown in figure 4, two that copper stove 20 is arranged in parallel are made, CR Stove is also two be arranged in parallel.
In a kind of preferred embodiment, smelting furnace 10 is bottom-blown smelting stove or side-blown smelting furnace.
In a kind of preferred embodiment, smelting furnace 10, which is provided with, makes copper ashes entrance, the copper ashes of making after cooling to be led to Enter smelting furnace 10.Copper ashes is made by adding, the problems of excessive heat in fusion process can be alleviated, can be easier fusion process Under higher oxygen-rich concentration, and therefore exhaust gas volumn caused by reduction.
In a kind of preferred embodiment, make copper stove 20 and be additionally provided with the first spray gun and flux entrance, the first spray gun is set The sidepiece of copper stove 20 or bottom are being made, for spraying into oxidant and optional reducing agent in copper stove 20 to making；Flux entrance is used for It is passed through flux.Specifically, when make in the metallic copper in copper stove it is oxygen-containing be less than 0.2% when, on the one hand show impurity by more abundant oxygen Change and enter and make in copper ashes, on the other hand show copper-based not by peroxidating.Now, copper reaction is being made in the utility model During using only aoxidizing the technique that does not reduce, you can directly obtain anode copper.When making oxygen-containing in the metallic copper in copper stove be higher than When 0.2%, show while removal of impurities, there is part copper to be oxidized.Reducing agent now can be further added, these copper are aoxidized Thing impurity carries out reduction reaction.And the utility model carries out reduction reaction after it will make copper ashes discharge and make copper stove, additionally it is possible to anti- The impurity for being oxidized slag making before only is returned in molten time metallic copper, so as to be further ensured that the grade of anode copper.
In a kind of preferred embodiment, the body of heater for making copper stove 20 is horizontal cylinder type body of heater.
In a kind of preferred embodiment, make copper stove 20 and be additionally provided with cold burden entrance, for electric to addition in copper stove 20 is made Solve the one or more in copper anode scrap, copper scap and solid-state copper matte regulus.Preferably, making copper system system also includes cooling device, and cooling is set It is ready for use on and cools to making copper stove 20.It can so ensure to make copper stove 20 and maintain thermal balance making the copper stage of reaction, be to making Sprayed into copper stove it is oxygen-enriched create conditions, the stove longevity can also be extended in addition.It is highly preferred that cooling device is negative pressure water jacketing or water spray Fog cooling apparatus.
To shorten flow, CN103382528 proposes a kind of two step copper metallurgy techniques, and the technique is first in smelting furnace by copper essence Ore deposit is smelted into the matte of cupric 65~78%, and redox reaction is then carried out in converting furnace directly produces anode copper.The party Method is primarily present thermal balance question, and the smoke problem brought by it：Redox reaction in converting furnace releases big calorimetric, These heat must be taken away by certain mode to maintain thermal balance；The technique is passed through by adjusting the amount of oxygen, air, nitrogen Gas takes away reaction heat, therefore the gas gross sprayed into must be more, and relative oxygen concentration is necessarily relatively low, and this allows for flue gas Amount is very big, and sulfur dioxide in flue gas content is very low.Therefore, follow-up smoke processing system and acid making system scale is big, investment is big, Operating cost is high.Meanwhile penetrating is large-minded, also result in that the agitation of whole melt is more violent, and the kinetic energy that melt washes away furnace lining is big, The stove longevity is short.In addition, the patent is nor of how make the discard slag with copper in smelting furnace reach 65~78%.
Employed unlike the thermal balance mode in above-mentioned patent, in the utility model to make added in copper stove it is cold Material, and/or water smoke is sprayed into copper stove to making, and/or the thermal balance mode of cooling element is set outside the body of heater for making copper stove.Respectively The advantage of mode is as follows：
Mode for adding cold burden：It is exothermic reaction due to making the reaction occurred in copper stove, adds cold burden and be advantageous to reality Existing thermal balance, while using liberated heat fusing cold burden is reacted, make full use of heat.The cold burden of addition can be copper scap, One or more in adopting electrolysis residual pole copper and solid-state copper matte regulus.In the factory of copper metallurgy at present, all using the fusing of single metallurgical furnace, refining The secondary copper materials such as copper scap, adopting electrolysis residual pole copper, this not only needs extra fuel to heat cold burden, it is often more important that needs to purchase Put single equipment, build single workshop, the single worker of configuration, considerably increase factory's operating cost.And use this reality With new above-mentioned embodiment, in the case where additionally not increasing equipment, factory building, personnel, it is residual copper scap, electrolysis have not only been handled The materials such as pole copper, also save the energy, the resource of melting materialss needs, and economic benefit is very notable.In a word, using making copper stove Rich heat melts composition brass, reduces the processing cost of composition brass, and this method is just agreeing with national Ministry of Industry and Information's non-ferrous metal " 13 " The developing direction that processing in development plan to composition brass proposes.
Mode for setting body of heater cooling element：It is preferred that using water jacket, this realizes that body of heater heat is flat also for radiating Weighing apparatus.
Mode for spraying into water smoke：Because water absorbs big calorimetric in gasification, therefore can be less in final tolerance In the case of take away more heats, making to make copper reaction can be carried out under the conditions of high oxygen-enriched air converting, and the blowing of high oxygen-rich concentration is just Solve in the patents such as CN103382528 using above mentioned problem caused by the blowing of low oxygen-rich concentration.Also have in addition, spraying into water smoke Following advantage：1) furnace temperature is more effectively controlled.Because the gasification of water can absorb big calorimetric, the small change for spraying into water can Cause the large change of heat, therefore can more accurately and effectively control furnace temperature；2) service life of lance is extended.Blown because height is oxygen-enriched The efficiency high of refining, the tolerance that spray gun sprays into are fewer than the blowing of low oxygen-rich concentration, and the working strength of spray gun is low, and the cooling of water is made With the life-span of spray gun in itself can also be extended；3) by taking 40% oxygen-rich concentration as an example, its smelting intensity can be than low oxygen-rich concentration (21%~25%) it is high nearly 1 times.In the case of exhaust gas volumn identical, inventory that high oxygen-rich concentration (such as 40%) can be handled It is high nearly 1 times；4) energy consumption is low, and power consumption is low.The unit scale that the power ratio of Water spraying device blasts air is much smaller.
Just because of the thermal balance mode that the utility model is above-mentioned so that the copper stove of making in the utility model can be high oxygen-enriched Carried out under conditions of concentration blowing.In the step of carrying out making copper reaction to the first copper matte regulus, obtained anode copper is copper melts.
In a kind of preferred embodiment, make copper stove 20 and be additionally provided with anode copper outlet；Short route copper metallurgy system also includes Casting equipment 40, casting equipment 40 and anode copper outlet, for carrying out casting processing to anode copper.By setting casting to set Standby 40 further can cast copper melts to form the products such as anode copper coin.It is highly preferred that casting equipment 40 is cast for double-arc spline Machine.
In a kind of preferred embodiment, CR stoves 30 include cavity, and cavity includes the reduction fuming chamber 31 being connected and sunk Chamber 32, reduction fuming chamber 31 and smelting slag outlet are dropped, for carrying out reduction fuming process to smelting slag, reduces fuming chamber Exhanst gas outlet is provided with 31, sedimentation chamber 32 connects with reduction fuming chamber 31, for caused reduction after reduction fuming process Slag carries out settlement treatment, and sedimentation chamber 32 is provided with the outlet of the second copper matte regulus and harmless slag outlet；Or CR stoves 30 include cavity, Cavity includes the reduction fuming chamber 31 and sedimentation chamber 32 being connected, sedimentation chamber 32 and smelting slag outlet, for smelting slag Settlement treatment is carried out, and sedimentation chamber 32 is provided with the outlet of the second copper matte regulus, reduction fuming chamber 31 connects with sedimentation chamber 32, for heavy Caused sedimentation slag carries out reduction fuming process after drop processing, and exhanst gas outlet and the discharge of harmless slag are provided with reduction fuming chamber 31 Mouthful.
So, 30 integrated equipment of CR stoves provided by the utility model, it includes the reduction fuming chamber being connected simultaneously 31 and sedimentation chamber 32, the annexation of selective reduction fuming chamber 31 and sedimentation chamber 32, in that case it can be decided that first reduce fuming, rear sedimentation； Or first settle, fuming is reduced afterwards.
, can be to molten when sedimentation chamber 32 connects with reduction fuming chamber 31 when reduction fuming chamber 31 and smelting slag outlet Refining slag first carries out reduction fuming process, carries out settlement treatment afterwards.Smelting slag is reduced and during fuming process, can be by melting Armco magnetic iron (ferroso-ferric oxide) in slag is reduced to ferrous oxide and carries out slag making, can so reduce the viscosity of smelting slag, so as to Follow-up sedimentation separation effect is improved, is easy to the second copper matte regulus to be separated from reducing slag.Meanwhile the valuable metal such as zinc, lead, antimony aoxidizes After thing is reduced to metal, it is converted into valuable metal flue gas because it has effumability and is separated, so as to has reached time Receive the purpose of valuable metal.After reducing fuming process, obtained reducing slag (be in flowable state), which enters in sedimentation chamber, to carry out sedimentation and divides From further obtaining the second copper matte regulus and harmless slag.More importantly, using integration apparatus, the melting after reducing fuming process Slag is directly entered sedimentation separation, on the one hand can significantly improve treatment effeciency；Another aspect is heavy because reducing slag is directly entered Drop processing, can keep more stably fluidised form, and only have small temperature change in the process even without temperature change, and two The reason for aspect, makes it have more preferable effect of settling, can further improve the rate of recovery of the second copper matte regulus.
, can be to smelting slag when reduction fuming chamber 31 connects with sedimentation chamber 32 when sedimentation chamber 32 and smelting slag outlet First carry out settlement treatment, after carry out reduction fuming process.So, after first the copper matte regulus in smelting slag can be separated, then enter In the row reduction fuming process stage, further reclaim the valuable metals such as zinc therein.It should be noted that gone back afterwards compared to first settling The mode of former fuming process, the utility model is more preferably by the way of settlement treatment after first reducing fuming.For first reducing cigarette The mode of settlement treatment, the advantage is that after change：The temperature of sedimentation separation is higher, and separating effect is better.And reduce fuming needs Temperature it is very high (1200~1400 DEG C), therefore, the material self-temperature first reduced after fuming is very high, and being not required to extra heating can Realize and separate in subsidence stage.Certainly, it is this first reduce fuming after settlement treatment mode, settlement treatment can also be mended Heat.However, reducing the mode of fuming after first sedimentation separation, then concurrent heating must be carried out during settlement treatment.Specifically Concurrent heating mode can be as follows：It can heat or be incubated in settling section electrode (for example 3~6 electrodes can be set), and/or set (submersible burning nozzle sprays fuel and oxygen to submersible burning nozzle, and the amount control of oxygen makes non-complete combustion of fuel shape State).In addition, the mode for first reducing settlement treatment after fuming also has the following advantages that：Reducing slag stops certain time in sedimentation chamber Afterwards, the sedimentation layering of slag sulfonium can be more fully realized, harmless slag is discharged from an upper location, and the second copper matte regulus is released from bottom.
Partition wall 33 is additionally provided with a kind of preferred embodiment, in cavity, cavity is divided into the He of reduction fuming chamber 31 Sedimentation chamber 32, reduction fuming chamber 31 and sedimentation chamber 32 are located at the both sides of partition wall 33 respectively in the horizontal direction, and reduce fuming chamber 31 Set with the communicating passage of sedimentation chamber 32 close to cavity bottom.In this way, that is reacted in fuming chamber 31 is reduced has Between the melt that settlement treatment is carried out in the melt and sedimentation chamber of mobility, it can realize and more stably flow, and partition wall can The agitation in reduction fuming chamber and the buoyant on surface are blocked, so as to further improve the effect of settlement treatment.Preferably, it is above-mentioned every Wall 33 is water cooling partition wall.
In a kind of preferred embodiment, reduction fuming chamber 31 is additionally provided with：Second spray gun and charge door, the second spray gun are set The sidepiece in reduction fuming chamber 31 is put, for adding reducing agent into reduction fuming chamber 31；Charge door is arranged on reduction fuming chamber 31 top, for adding trapping agent into reduction fuming chamber 31.Such feed way can further improve smelting slag Reduce fuming process effect.
In a kind of preferred embodiment, sedimentation chamber 32 is additionally provided with heating plant, for being incubated to sedimentation chamber 32 Or heating.Heating plant is submersible burning nozzle or electrode (specifically can be as mentioned before)
In a kind of preferred embodiment, the outlet of the second copper matte regulus is additionally provided with to discharge the second bronze medal sulphur on smelting furnace 10 Second copper matte regulus entrance, the second copper matte regulus after cooling is passed through into smelting furnace 10.The utilization rate of copper can so be improved.Meanwhile The superheating phenomenon in smelting furnace can also be further avoided, improves Smelting Effect.
Present applicant proposes a kind of short route copper smelting method, its copper smelting device used includes smelting furnace, makes copper stove, CR Stove, the first chute and the second chute；Smelting furnace is provided with copper matte regulus outlet and smelting slag outlet；Make copper stove and be provided with copper matte regulus entrance, Copper matte regulus entrance passes through the first chute and copper matte regulus outlet；CR stoves are provided with smelting slag entrance, smelting slag entrance passes through second Chute and smelting slag outlet；Short route copper smelting method comprises the following steps：Copper concentrate is subjected to melting in smelting furnace, obtained To the first copper matte regulus and smelting slag；The first copper matte regulus is carried out in copper stove is made to make copper reaction, anode copper is generated and makes copper ashes；And Reduce fuming and sedimentation with the valuable metal in synthetical recovery smelting slag to smelting slag in CR stoves, and make harmless slag；It is valuable Metal includes the one or more in lead, zinc and antimony；Short route copper smelting method completes simultaneously to be had in output anode copper, smelting slag Valency metal synthetical recovery and the harmless slag of the direct output of CR stoves, compared with prior art, main-process stream greatly shortens, and is advantageous to reduction and builds This is set as, reduces technical sophistication degree, and realize resource comprehensive utilization and eliminate environmentally friendly hidden danger.
In the above method, after smelting slag is obtained, by smelting slag reduce fuming and settle that melting can be reclaimed Valuable metal in slag, such as metallic zinc, lead, antimony etc..This just efficiently solves valuable metal in existing copper metallurgy technique and is lost in The problem of waste, and avoid these and be lost in pollution problem of the metal to environment；On the other hand, reduction fuming is carried out to smelting slag Original slag beneficiation flowsheet is instead of with sedimentation, factory floor space is not only greatly reduced, makes technological process simpler, also Pollution caused by being inherently eliminated the beneficiation reagent added in slag beneficiation flowsheet.At the same time, it is necessary to explanation, this reality With new above-mentioned copper smelting method, employ the copper smelting device that a load chooses formula, by the copper matte regulus end of smelting furnace directly by chute with The connection of copper stove is made, the slag output end of smelting furnace is directly connected by chute with CR stoves, short route copper metallurgy is realized, completes simultaneously Valuable metal synthetical recovery and the harmless slag of the direct output of CR stoves in output anode copper, smelting slag, have industrialization well big Sizable application prospect.
In a preferred embodiment, copper concentrate is carried out to the step of melting in smelting furnace to be included：By copper concentrate Mixed with the first flux, obtain compound；Compound is put into smelting furnace, melting is carried out in the presence of the first oxidant, Obtain the first copper matte regulus and smelting slag.Preferably, bottom-blown smelting method or side-blown smelting process are used in fusion process.Utilize bottom-blown smelting Method or side-blown smelting process, can further improve matte grade.It is highly preferred that the first flux is selected from quartz and/or lime stone； One or more of first oxidant in oxygen, compressed air and oxygen-enriched air.
In a preferred embodiment, copper concentrate is carried out in the step of melting in smelting furnace, the first oxidant Straying quatity correspond to 120Nm for copper concentrate per ton3Above O2So that the copper content of the first copper matte regulus is more than or equal to 70wt%.By The straying quatity control of one oxidant corresponds to 120Nm for copper concentrate per ton3Above O2, can make the first copper matte regulus copper content be more than Equal to 70wt%, it can so avoid making the problem of Cu-S ore amount is bigger than normal caused by the copper content of the first copper matte regulus is too low, prevent The problem of copper direct yield brought by it is low.More preferably the straying quatity of the first oxidant be copper concentrate per ton corresponding 120~ 200Nm3O2So that the copper content of the first copper matte regulus is 70~78wt%, this can further be avoided the copper content mistake because of the first copper matte regulus Smelting slag copper caused by height containing it is too high the problem of, the problem of preventing the copper direct yield that therefore brings low.In addition, copper matte regulus cupric is 70 When~78%, the element such as lead zinc antimony enters smelting slag in the form of an oxide, is advantageous to subsequently reclaim these elements from CR stoves.If copper Sulfonium cupric is low, such as 40~50% when, a part for these elements can be stayed in copper matte regulus, be unfavorable for subsequently from CR stoves reclaim.
In a preferred embodiment, copper concentrate is carried out in the step of melting in smelting furnace, after cooling Make in copper ashes input smelting furnace and melting processing is carried out together with copper concentrate.Copper ashes is made after cooling down by adding, can be alleviated molten Problems of excessive heat during refining, fusion process can be made to be easier to carry out under higher oxygen-rich concentration, and therefore reduce and produce Exhaust gas volumn.
In addition, the smelting temperature preferably in fusion process is 1150~1300 DEG C, and the addition of the first flux is institute State the 1~20% of copper mine gross weight.
It is above-mentioned to make copper reaction to direct output anode copper.In a preferred embodiment, in copper stove is made One copper matte regulus also include the step of making copper reaction：While cold burden is added in copper stove to making, and/or spray into water to making in copper stove Mist, and/or cooling element is set outside the body of heater for making copper stove；Wherein cold burden includes copper scap, adopting electrolysis residual pole copper and In Crystal Solid Copper One or more in sulfonium.
To shorten flow, CN103382528 proposes a kind of two step copper metallurgy techniques, and the technique is first in smelting furnace by copper essence Ore deposit is smelted into the matte of cupric 65~78%, and redox reaction is then carried out in converting furnace directly produces anode copper.The party Method is primarily present thermal balance question, and the smoke problem brought by it：Redox reaction in converting furnace releases big calorimetric, These heat must be taken away by certain mode to maintain thermal balance；The technique is passed through by adjusting the amount of oxygen, air, nitrogen Gas takes away reaction heat, therefore the gas gross sprayed into must be more, and relative oxygen concentration is necessarily relatively low, and this allows for flue gas Amount is very big, and sulfur dioxide in flue gas content is very low.Therefore, follow-up smoke processing system and acid making system scale is big, investment is big, Operating cost is high.Meanwhile penetrating is large-minded, also result in that the agitation of whole melt is more violent, and the kinetic energy that melt washes away furnace lining is big, The stove longevity is short.In addition, the patent is nor of how make the discard slag with copper in smelting furnace reach 65~78%.
Employed unlike the thermal balance mode in above-mentioned patent, in the utility model to make added in copper stove it is cold Material, and/or water smoke is sprayed into copper stove to making, and/or the thermal balance mode of cooling element is set outside the body of heater for making copper stove.Respectively The advantage of mode is as follows：
Mode for adding cold burden：It is exothermic reaction due to making the reaction occurred in copper stove, adds cold burden and be advantageous to reality Existing thermal balance, while using liberated heat fusing cold burden is reacted, make full use of heat.The cold burden of addition can be copper scap, One or more in adopting electrolysis residual pole copper and solid-state copper matte regulus.In the factory of copper metallurgy at present, all using the fusing of single metallurgical furnace, refining The secondary copper materials such as copper scap, adopting electrolysis residual pole copper, this not only needs extra fuel to heat cold burden, it is often more important that needs to purchase Put single equipment, build single workshop, the single worker of configuration, considerably increase factory's operating cost.And use this reality With new above-mentioned embodiment, in the case where additionally not increasing equipment, factory building, personnel, it is residual copper scap, electrolysis have not only been handled The materials such as pole copper, also save the energy, the resource of melting materialss needs, and economic benefit is very notable.In a word, using making copper stove Rich heat melts composition brass, reduces the processing cost of composition brass, and this method is just agreeing with national Ministry of Industry and Information's non-ferrous metal " 13 " The developing direction that processing in development plan to composition brass proposes.
Mode for setting body of heater cooling element：It is preferred that using water jacket, this realizes that body of heater heat is flat also for radiating Weighing apparatus.
Mode for spraying into water smoke：Because water absorbs big calorimetric in gasification, therefore can be less in final tolerance In the case of take away more heats, making to make copper reaction can be carried out under the conditions of high oxygen-enriched air converting, and the blowing of high oxygen-rich concentration is just Solve in the patents such as CN103382528 using above mentioned problem caused by the blowing of low oxygen-rich concentration.Also have in addition, spraying into water smoke Following advantage：1) furnace temperature is more effectively controlled.Because the gasification of water can absorb big calorimetric, the small change energy of water is sprayed into Enough cause the large change of heat, therefore can more accurately and effectively control furnace temperature；2) service life of lance is extended.Due to high oxygen-enriched The efficiency high of blowing, the tolerance that spray gun sprays into are fewer than the blowing of low oxygen-rich concentration, and the working strength of spray gun is low, and the cooling of water Effect can also extend the life-span of spray gun in itself；3) by taking 40% oxygen-rich concentration as an example, its smelting intensity can be oxygen-enriched denseer than low It is high nearly 1 times to spend (21%~25%).In the case of exhaust gas volumn identical, material that high oxygen-rich concentration (such as 40%) can be handled Amount is high nearly 1 times；4) energy consumption is low, and power consumption is low.The unit scale that the power ratio of Water spraying device blasts air is much smaller.
Just because of the thermal balance mode that the utility model is above-mentioned so that the copper stove of making in the utility model can be high oxygen-enriched Carried out under conditions of concentration blowing.In a preferred embodiment, in the step of carrying out making copper reaction, sprayed in copper stove is made Enter oxygen-enriched air to the first copper matte regulus carry out oxidation processes, with make copper reaction, and in oxygen-enriched air oxygen percent by volume For 30~80%.Although CN103382528 mentions converting furnace oxygen concentration 9~60%, because it is to take away heat by gas, Actual oxygen concentration can be only sustained at less than 25%, can not really realize high oxygen-rich concentration.And above-mentioned heat is relied in the utility model Balancing measures, it is fully able to reach 30~80% oxygen-enriched air concentration.
In a preferred embodiment, in the step of making copper reaction, after the step of carrying out oxidation processes, when making It is oxygen-containing when being less than 0.2% in metallic copper in copper stove, copper ashes discharge will be made and make copper stove, obtain anode copper；When making the gold in copper stove It is oxygen-containing when being higher than 0.2% in category copper, it will make after copper ashes discharge makes copper stove, reducing agent be passed through in copper stove with miscellaneous to Cu oxide to making Matter carries out reduction reaction, and then obtains anode copper.
The purpose for making copper reaction is by the element sulphur in the first copper matte regulus and other impurities removal, obtains qualified anode copper. And dedoping step is mainly to be removed the oxidation of impurities slag making in copper using oxidation reaction.It is oxygen-containing in the metallic copper in copper stove when making During less than 0.2%, on the one hand show that impurity by more fully oxidized and enter and make in copper ashes, on the other hand shows that copper-based does not have By peroxidating.Now, the technique not reduced in copper course of reaction is made using only aoxidizing in the utility model, you can directly obtain Anode copper.When make in the metallic copper in copper stove it is oxygen-containing be higher than 0.2% when, show removal of impurities while, there is part copper to be oxidized.This When can further add reducing agent, by these Cu oxide impurity carry out reduction reaction.And the utility model will make copper ashes Discharge carries out reduction reaction after making copper stove, additionally it is possible to and the impurity that slag making is oxidized before preventing is returned in molten time metallic copper, so as to The grade of anode copper can be further ensured that.
In a preferred embodiment, in the step of carrying out oxidation processes to the first copper matte regulus in making copper stove, by the Two flux add from the top for making copper stove；Meanwhile by the way of bottom blowing to make in copper stove spray into oxygen-enriched air carry out at oxidation Reason, or alternatively spray into the first reducing agent and carry out reduction reaction.Preferably, the second flux is selected from quartz and/or lime stone.It is excellent Selection of land, preferably one or more of first reducing agent in natural gas, liquefied petroleum gas and solid carbon based reductive, solid carbon Base reductant is fine coal and/or solid carbonaceous reductant.Process above and reagent, it can further improve the effect for making copper reaction Fruit." oxygen-enriched air " described herein refers to that oxygen concentration is more than the gas of oxygen concentration in air, such as can be by air Middle incorporation oxygen obtains.
The effect of above-mentioned CR stoves is by reducing the valuable metal in fuming and sedimentation recovery smelting slag, and making harmless slag. In a preferred embodiment, CR stoves include cavity, and cavity includes the reduction fuming chamber and sedimentation chamber being connected；Recovery is molten The step of refining the valuable metal in slag includes：Smelting slag is subjected to reduction fuming process in fuming chamber is reduced, obtains valuable gold Belong to flue gas and reducing slag, and reducing slag is subjected to settlement treatment in sedimentation chamber, obtain the second copper matte regulus and harmless slag；Or will Smelting slag carries out settlement treatment in sedimentation chamber, obtains the second copper matte regulus and sedimentation slag, and will settle slag in fuming chamber is reduced Reduction fuming process is carried out, obtains valuable metal flue gas and harmless slag.
The above-mentioned integrated recovery furnace of CR stoves, it is simultaneously including reduction fuming chamber and sedimentation chamber.In the first processing mode In, reduction fuming process, settlement treatment successively have been carried out to smelting slag.When smelting slag is carried out into reduction fuming process, it can incite somebody to action Armco magnetic iron (ferroso-ferric oxide) in smelting slag is reduced to ferrous oxide and carries out slag making, can so reduce the viscosity of smelting slag, So as to improve follow-up sedimentation separation effect, it is easy to the second copper matte regulus to be separated from reducing slag.Meanwhile the valuable metal such as zinc, lead, antimony After oxide is reduced to metal, it is converted into valuable metal flue gas because it has effumability and is separated, so as to reach The purpose of recovery valuable metal.Reduce fuming process after, obtain reducing slag (be in flowable state) enter sedimentation chamber in settled Separation, obtains the second copper matte regulus and harmless slag.More importantly, the reducing slag after reducing fuming process is directly entered sedimentation separation, On the one hand treatment effeciency can be significantly improved；On the other hand because reducing slag is directly entered settlement treatment, can keep more steady Surely fluidised form, and only have small temperature change in the process and made it have even without temperature change, both sides reason More preferable effect of settling, it can further improve the rate of recovery of the second copper matte regulus.
For second of processing mode, be the step of settlement treatment has been arranged on into reduction fuming process before.So, may be used After first the copper matte regulus in smelting slag to be separated, then reduced and the fuming process stage, further reclaim zinc therein, The valuable metals such as lead, antimony.
It should be noted that compared to the mode that reduces fuming process afterwards is first settled, the utility model is more preferably using first The mode of settlement treatment after reduction fuming.Mode for first reducing settlement treatment after fuming, the advantage is that：Sedimentation separation Temperature is higher, and separating effect is better.And the temperature for reducing fuming needs is very high (1200~1400 DEG C), therefore, fuming is first reduced Material self-temperature afterwards is very high, and separation can be realized in subsidence stage by being not required to extra heating.Certainly, after this first reduction fuming The mode of settlement treatment, concurrent heating can also be carried out to settlement treatment.However, reducing the mode of fuming after first sedimentation separation, then must Concurrent heating is so carried out during settlement treatment.Specific concurrent heating mode can be as follows：Can settling section electrode (such as 3~6 can be set) heat or be incubated, and/or set submersible burning nozzle (submersible burning nozzle ejection fuel and oxygen Gas, the amount control of oxygen make non-complete combustion of fuel state).In addition, the mode for first reducing settlement treatment after fuming also has Following advantage：Reducing slag can more fully realize the sedimentation layering of slag sulfonium, harmless slag is from upper after sedimentation chamber stops certain time Portion is released, and the second copper matte regulus is released from bottom.
In specific operation, repeatedly reduction fuming and precipitation step can be successively carried out to smelting slag, can also will be molten Refining slag, which is divided into more parts, to carry out reducing fuming and precipitation step respectively.This is those skilled in the art according to religion of the present utility model Lead it is also envisioned that will not be repeated here.
In a preferred embodiment, partition wall is additionally provided with cavity, cavity is divided into reduction fuming chamber and sunk Chamber drops, and fuming reduction fuming chamber and sedimentation chamber are located at the both sides of partition wall respectively in the horizontal direction, and reduce fuming chamber and sedimentation chamber Communicating passage close to cavity bottom set.In this way, the melt with mobility reacted in fuming chamber is reduced And between the melt of settlement treatment is carried out in sedimentation chamber, it can realize and more stably flow, and partition wall can block reduction fuming The buoyant of agitation and surface in chamber, so as to further improve the effect of settlement treatment.
In a preferred embodiment, the step of reducing fuming process includes：Second is added into reduction fuming chamber Reducing agent is to carry out reduction fuming process；It is preferred that the second reducing agent is selected from natural gas, coal gas, liquefied petroleum gas, iron powder and solid It is lump coal and/or fine coal that one or more in carbon based reductive, more preferably solid carbon based reductive, which are selected from,.Entered from the reagent Row reduction fuming process, the recovery for valuable metal are more thorough.In actual mechanical process, while into reduction fuming chamber Oxidant is sprayed into, to provide heat by burning, simultaneous oxidation agent is also possible to react the reduction such as generation carbon monoxide with reducing agent Gas, reduction is played in the lump with the reducing agent of addition.
In a preferred embodiment, reduce in fuming chamber and be provided with side-blown spray gun, the step of reducing fuming process In, the second reducing agent is blasted in reduction fuming chamber using side-blown spray gun.It is highly preferred that it is additionally provided with smoke in reduction fuming chamber Mouthful, reduce fuming process the step of also include：Secondary Air is introduced at the top of reduction fuming chamber or outlet flue.So can be with Valuable metal flue gas is oxidized to valuable metal oxide, carries out off-gas recovery afterwards.
In a preferred embodiment, in the step of reducing fuming process, reaction temperature is 1200~1400 DEG C.More When preferably, before reducing fuming process step and being located at settlement treatment step, while fuming process is reduced, to reduction cigarette Change in chamber and add trapping agent；It is preferred that trapping agent is selected from the first vulcanizing agent and/or copper concentrate, more preferably the first vulcanizing agent is selected from sulphur iron Ore deposit and/or pyrite.When reduction fuming process step is located at after settlement treatment step, while settlement treatment, Xiang Chen The second vulcanizing agent and/or copper concentrate are added in drop chamber, preferably the second vulcanizing agent is in troilite, pyrite and refining lead bronze scum silica frost One or more.
Vulcanizing agent and/or copper concentrate are added, the matte grade in smelting slag is advantageously reduced, it is changed into low-grade copper Sulfonium (the second copper matte regulus), can so reduce the copper content in harmless slag, further improve the rate of recovery of copper.And at reduction fuming Manage in the mode after step is located at settlement treatment step, because sedimentation slag can also carry out follow-up reduction fuming step and be returned Receive, thus can use waste residue as refining lead bronze scum silica frost can also be in fuming step is reduced as vulcanizing agent, lead therein Volatilize and reclaim in the lump with the lead in sedimentation slag, can so make full use of caused difficult miscellaneous material in some production processes, Comprehensive utilization of resources is realized, and does not increase extra equipment investment and process procedure.
It is highly preferred that the step of settlement treatment, also includes：Inert gas and/or sulfur dioxide gas are blasted into sedimentation chamber Body.Faint agitation can be so formed, this is advantageous to the separation of copper and slag.More preferably blast sulfur dioxide gas, its except Outside agitaion, the effect of partial vulcanization agent is also acts as, is more beneficial for making low-grade copper matte regulus in subsidence stage.
In a preferred embodiment, after the step of obtaining the second copper matte regulus, copper smelting method is also included second Copper matte regulus Returning smelting stove carries out the step of melting.The utilization rate of copper can so be improved.
In a preferred embodiment, after the step of obtaining the second copper matte regulus, copper smelting method is also included second Copper matte regulus returns and makes the step of copper stove carries out making copper.The utilization rate of copper can so be improved.Because the second copper matte regulus is usually with cooling State (and the copper matte regulus of solid-state second) adds, therefore can also play thermally equilibrated effect.
In a preferred embodiment, in the step of carrying out making copper reaction to the first copper matte regulus, obtained copper melts for copper Body；Make copper reaction the step of after, above-mentioned copper smelting method also include to copper melts carry out cast molding the step of.So can be with Further copper melts are cast to form the products such as copper anode plate.
The beneficial effects of the utility model are further illustrated by the following examples：
Embodiment 1
Copper metallurgy is carried out using copper smelting device shown in Fig. 1, each device technique condition is as follows：
Smelting furnace：Smelting temperature is 1300 DEG C；Flux is quartz, and its addition is the 10% of copper mine gross weight；Oxidation Agent is oxygen, and its addition is that copper mine per ton adds 150Nm3O2；
Make copper stove：Flux is quartz, and its addition is the 20% of the first copper matte regulus gross weight；Oxidant is that oxygen volume contains The oxygen-enriched air of amount 40%, its addition are to add 200Nm in the first copper matte regulus per ton3O2；Sprayed into using spray gun to making in copper stove While oxidant, water smoke is also sprayed into；While cold burden copper scap is added in copper stove to making；Reducing agent is fine coal, sprays into reducing agent Before, copper ashes discharge will be first made, makes Returning smelting stove after copper ashes cooling.
CR stoves：Fuming is first reduced, rear sedimentation；In the step of reducing fuming process, reaction temperature is 1200 DEG C；Reducing agent is Fine coal, its addition are the 10% of smelting slag gross weight；A small amount of oxygen that is passed through provides combustion-supporting concurrent heating；Titanium dioxide is passed through in sedimentation chamber Sulphur gas, and add vulcanizing agent pyrite and make low-grade copper matte regulus；The low-grade copper matte regulus Returning smelting stove of gained.
Result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20%, containing zinc 2%；250,000 tons of melting output copper matte regulus, Cupric 75%, 650,000 tons of smelting slag, cupric 3%, smelting slag contain zinc 2.77%；Make 23.5 ten thousand tons of copper stove output anode copper, cupric 99.3%, sulfur-bearing 0.05%；Smelting slag Copper in Slag 0.3%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.28%.Whole system copper recovery about 99%, zinc recovery is about 80%.
Embodiment 2
Processing method is identical with embodiment 1, and difference is copper mine raw material difference, specific as follows：
1,500,000 tons of copper concentrates of year processing, concentrate cupric 25%, containing zinc 1.5%, containing antimony 0.5%；Melting output copper matte regulus 400,000 Ton, cupric 75%, 1,000,000 tons of smelting slag, cupric 2%, smelting slag contain zinc 2.03%；450,000 tons of copper stove output anode copper is made, is contained Copper 99.2%, sulfur-bearing 0.03%；Smelting slag Copper in Slag 0.3%, slag after the processing of CR stoves contain zinc 0.20%.Whole system copper reclaims Rate about 99%, zinc recovery is about 80%.
Embodiment 3
With embodiment 1, difference is processing method：
Smelting furnace：Smelting temperature is 1300 DEG C；Flux is quartz, and its addition is the 20% of copper mine gross weight；Oxidation Agent is oxygen, and its addition is that copper mine per ton adds 200Nm3O2；
Result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20%, containing zinc 2%；260,000 tons of melting output copper matte regulus, Cupric 78%, 620,000 tons of smelting slag, cupric 4%, smelting slag contain zinc 2.05%；Make 23.6 ten thousand tons of copper stove output anode copper, cupric 99.5%, sulfur-bearing 0.03%；Smelting slag Copper in Slag 0.2%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.26%. Whole system copper recovery about 99%, zinc recovery is about 82%.
Embodiment 4
With embodiment 1, difference is processing method：
Smelting furnace：Smelting temperature is 1150 DEG C；Flux is quartz, and its addition is the 1% of copper mine gross weight；Oxidant For oxygen, its addition is that copper mine per ton adds 120Nm3O2；
Result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20%, containing zinc 2%；260,000 tons of melting output copper matte regulus, Cupric 70%, 700,000 tons of smelting slag, cupric 2.5%, smelting slag contain zinc 3.25%；23.1 ten thousand tons of copper stove output anode copper is made, is contained Copper 99.1%, sulfur-bearing 0.03%；Smelting slag Copper in Slag 0.3%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.27%.Whole system copper recovery about 99%, zinc recovery is about 80%.
Embodiment 5
With embodiment 1, difference is processing method：
Smelting furnace：Smelting temperature is 1100 DEG C；Flux is quartz, and its addition is the 0.8% of copper mine gross weight；Oxidation Agent is oxygen, and its addition is that copper mine per ton adds 90Nm3O2；
Result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20%, containing zinc 2%；200,000 tons of melting output copper matte regulus, Cupric 65%, 780,000 tons of smelting slag, cupric 5%, smelting slag contain zinc 4.71%；Make 22.8 ten thousand tons of copper stove output anode copper, cupric 98.0%, sulfur-bearing 0.1%；Smelting slag Copper in Slag 0.6%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.49%. Whole system copper recovery about 95%, zinc recovery is about 78%.
Embodiment 6
With embodiment 1, difference is processing method：
Make copper stove：Flux is quartz, and its addition is the 20% of the first copper matte regulus gross weight；Oxidant is that oxygen volume contains The oxygen-enriched air of amount 80%, its addition are to add 120Nm in the first copper matte regulus per ton3O2；Sprayed into using spray gun to making in copper stove While oxidant, water smoke is also sprayed into；While cold burden copper scap is added in copper stove to making；Reducing agent is fine coal；Spray into reducing agent Before, copper ashes discharge, Returning smelting stove after cooling will first be made.
Result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20%, containing zinc 2%；250,000 tons of melting output copper matte regulus, Cupric 75%, 650,000 tons of smelting slag, cupric 3%, smelting slag contain zinc 2.77%；Make 24.6 ten thousand tons of copper stove output anode copper, cupric 99.5%, sulfur-bearing 0.03%；Smelting slag Copper in Slag 0.4%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.32%.Whole system copper recovery about 99.6%, zinc recovery is about 80%.
Embodiment 7
With embodiment 1, difference is processing method：
Make copper stove：Flux is quartz, and its addition is the 20% of the first copper matte regulus gross weight；Oxidant is that oxygen volume contains The oxygen-enriched air of amount 30%, its addition are to add 140Nm in the first copper matte regulus per ton3O2；Sprayed into using spray gun to making in copper stove While oxidant, water smoke is also sprayed into, while cold burden copper scap is added in copper stove to making；Reducing agent is fine coal；Spray into reducing agent Before, copper ashes discharge, Returning smelting stove after cooling will first be made.
Result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20%, containing zinc 2%；250,000 tons of melting output copper matte regulus, Cupric 75%, 650,000 tons of smelting slag, cupric 3%, smelting slag contain zinc 2.77%；Make 22.0 ten thousand tons of copper stove output anode copper, cupric 98.8%, sulfur-bearing 0.03%；Smelting slag Copper in Slag 0.5%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.34%.Whole system copper recovery about 98.7%, zinc recovery is about 75%.
Embodiment 8
With embodiment 1, difference is processing method：
Make copper stove：Flux is quartz, and its addition is the 20% of the first copper matte regulus gross weight；Oxidant is that oxygen volume contains The oxygen-enriched air of amount 25%, its addition are to add 140Nm in the first copper matte regulus per ton3O2；Reducing agent is fine coal；Do not spray into water Mist, it is added without cold burden；
Result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20%, containing zinc 2%；250,000 tons of melting output copper matte regulus, Cupric 75%, 650,000 tons of smelting slag, cupric 3%, smelting slag contain zinc 2.77%；Make 18.2 ten thousand tons of copper stove output anode copper, cupric 97.6%, sulfur-bearing 0.12%；Copper in Slag 0.41%, slag contain zinc 0.50% afterwards for smelting slag reduction dilution (reduction fuming and sedimentation). Whole system copper recovery about 95%, zinc recovery is about 70%.
Embodiment 9
With embodiment 1, difference is processing method：
CR stoves：Fuming is first reduced, rear sedimentation；In the step of reducing fuming process, reaction temperature is 1350 DEG C；Reducing agent is Fine coal, its addition are the 10% of smelting slag gross weight；A small amount of oxygen that is passed through provides heat；Add vulcanizing agent pyrite and make low product Position copper matte regulus；Sulfur dioxide gas, the low-grade copper matte regulus Returning smelting stove of gained are passed through in sedimentation chamber.
Result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20%, containing zinc 2%；250,000 tons of melting output copper matte regulus, Cupric 75%, 650,000 tons of smelting slag, cupric 3%, smelting slag contain zinc 2.77%；Make 23.5 ten thousand tons of copper stove output anode copper, cupric 99.3%, sulfur-bearing 0.05%；Smelting slag Copper in Slag 0.1%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.19%.Whole system copper recovery about 99%, zinc recovery is about 85%.
Embodiment 10
With embodiment 1, difference is processing method：
CR stoves：First settle, reduce fuming afterwards；In the step of reducing fuming process, reaction temperature is 1350 DEG C；Reducing agent is Fine coal, its addition are the 10% of smelting slag gross weight；A small amount of oxygen that is passed through provides heat；Sedimentation chamber carries out electrode concurrent heating.
Result：1,000,000 tons of copper concentrates of year processing, concentrate cupric 20%, containing zinc 2%；250,000 tons of melting output copper matte regulus, Cupric 72%, 630,000 tons of smelting slag, cupric 3.5%, smelting slag contain zinc 2.63%；Make 240,000 tons of copper stove output anode copper, cupric 99.3%, sulfur-bearing 0.05%；Smelting slag Copper in Slag 0.6%, slag after CR stoves processing (reduction fuming and sedimentation) contain zinc 0.54%.Whole system copper recovery about 98.5%, zinc recovery is about 68%.
As can be seen from the above description, the application the above embodiments realize following technique effect：
Using copper metallurgy system provided by the utility model, year treating capacity it is big, (electrolytic anode can be reached to anode copper by referring to purity The copper products of copper) yield is big, and recovery rate of valuable metals is higher.Especially, from the data in embodiment 1, embodiment 5 to 8, Compared in embodiment 8 not in making copper stove add cold burden or spray into water smoke technical scheme for, adopted in embodiment 1,5 to 7 Used in the mode of addition cold burden and penetrating water smoke in copper stove of making, the oxygen content for making oxidant in copper reaction is drastically increased, is made Reaction can complete to make copper reaction without producing superheating phenomenon under conditions of high oxygen-rich concentration, also effectively increase copper sulphur output The copper factor of efficiency and anode copper.Certainly, although adding cold burden not in copper stove is made and spraying into water smoke, the utility model embodiment Technical scheme in 8 has equally effectively reclaimed the valuable metal in smelting slag, while direct output using short route copper metallurgy technique Anode copper simultaneously makes harmless slag, falls within the scope of protection of the utility model.
In a word, the utility model is by reducing fuming and the effective valuable gold reclaimed in fusion process in smelting slag of sedimentation Category, realizes resource reclaim, alleviates environmental pollution.In addition, the utility model is using smelting furnace as core, it is same from product end and slag end When shorten, enormously simplify copper metallurgy technique.Preresearch estimates, averagely calculated containing zinc according to 3% in slag, the rate of recovery is according to 80% meter Calculate, the 200000 t/a recyclable t/a of zinc 1.9 ten thousand of cupper smelting, the economic benefit of enterprise is greatly improved, at the same it is significantly simple The technological process of Slag treatment is changed, floor space greatly reduces, and also solves the potential pollution risk of slag mine tailing.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.

Claims (17)

1. a kind of short route copper metallurgy system, it is characterised in that the short route copper metallurgy system includes：
Smelting furnace (10), for carrying out melting to copper concentrate with the copper matte regulus of output first and smelting slag；The smelting furnace (10) is set There are the outlet of the first copper matte regulus and smelting slag outlet；
Make copper stove (20), the copper stove (20) of making is provided with copper matte regulus entrance and makes copper ashes outlet, the copper matte regulus entrance and described the The outlet of one copper matte regulus is connected by the first chute, and the copper stove (20) of making is used to first copper matte regulus is carried out making copper reaction to generate Anode copper and make copper ashes；And
CR stoves (30), the CR stoves (30) are provided with smelting slag entrance, and the smelting slag entrance passes through with smelting slag outlet Second chute connects, and the CR stoves (30) are used to the smelting slag is carried out reducing fuming and sedimentation to reclaim in the smelting slag Valuable metal, and make harmless slag.
2. short route copper metallurgy system according to claim 1, it is characterised in that the smelting furnace (10) is bottom-blown smelting stove Or side-blown smelting furnace.
3. short route copper metallurgy system according to claim 1, it is characterised in that the smelting furnace (10), which is provided with, makes copper ashes Entrance, the smelting furnace (10) is passed through copper ashes will be made described in after cooling.
4. short route copper metallurgy system according to any one of claim 1 to 3, it is characterised in that described to make copper stove (20) It is additionally provided with：
First spray gun, it is arranged on sidepiece or the bottom for making copper stove (20)；And
Flux entrance, for being passed through flux.
5. short route copper metallurgy system according to claim 4, it is characterised in that the body of heater for making copper stove (20) is horizontal Cylinder type body of heater.
6. short route copper metallurgy system according to any one of claim 1 to 3, it is characterised in that described to make copper stove (20) Cold burden entrance is additionally provided with, for making added in copper stove (20) in cathode copper anode scrap, copper scap and solid-state copper matte regulus one to described Kind is a variety of.
7. short route copper metallurgy system according to claim 6, it is characterised in that the copper system system of making also is set including cooling Standby, the cooling device is used to cool to the copper stove (20) of making.
8. short route copper metallurgy system according to claim 7, it is characterised in that the cooling device is negative pressure water jacketing Or water spray fog cooling apparatus.
9. short route copper metallurgy system according to any one of claim 1 to 3, it is characterised in that described to make copper stove (20) It is additionally provided with anode copper outlet；The short route copper metallurgy system also includes casting equipment (40), the casting equipment (40) and institute Anode copper outlet is stated, for carrying out casting processing to anode copper.
10. short route copper metallurgy system according to claim 9, it is characterised in that the casting equipment (40) is double-arc spline Casting machine.
11. short route copper metallurgy system according to any one of claim 1 to 3, it is characterised in that the CR stoves (30) are What is set in parallel or series is multiple, it is described make copper stove (20) for be arranged in parallel it is multiple.
12. short route copper metallurgy system according to any one of claim 1 to 3, it is characterised in that
The CR stoves (30) include cavity, and the cavity includes the reduction fuming chamber (31) and sedimentation chamber (32) being connected, described Fuming chamber (31) and the smelting slag outlet are reduced, for carrying out reduction fuming process, the reduction to the smelting slag Fuming chamber is provided with exhanst gas outlet on (31)；The sedimentation chamber (32) is used to carry out caused reducing slag after reduction fuming process Settlement treatment, and the sedimentation chamber (32) is provided with the outlet of the second copper matte regulus and harmless slag outlet；Or
The CR stoves (30) include cavity, and the cavity includes the reduction fuming chamber (31) and sedimentation chamber (32) being connected, described Sedimentation chamber (32) and the smelting slag outlet, for carrying out settlement treatment, and the sedimentation chamber (32) to the smelting slag It is provided with the outlet of the second copper matte regulus；The reduction fuming chamber (31) is used to carry out reduction fuming to caused sedimentation slag after settlement treatment Processing, described reduce are provided with exhanst gas outlet and harmless slag outlet on fuming chamber (31).
13. short route copper metallurgy system according to claim 12, it is characterised in that be additionally provided with partition wall in the cavity (33) cavity, is divided into the reduction fuming chamber (31) and the sedimentation chamber (32), it is described reduce fuming chamber (31) and The sedimentation chamber (32) is located at the both sides of the partition wall (33), and the reduction fuming chamber (31) and described respectively in the horizontal direction The communicating passage of sedimentation chamber (32) is set close to the cavity bottom.
14. short route copper metallurgy system according to claim 12, it is characterised in that the reduction fuming chamber (31) also sets up Have：
Second spray gun, the sidepiece of the reduction fuming chamber (31) is arranged on, for being added also into the reduction fuming chamber (31) Former agent；
Charge door, the top of the reduction fuming chamber (31) is arranged on, for adding trapping into the reduction fuming chamber (31) Agent.
15. short route copper metallurgy system according to claim 12, it is characterised in that the sedimentation chamber (32) is additionally provided with confession Thermal, for the sedimentation chamber (32) to be incubated or heated up.
16. short route copper metallurgy system according to claim 15, it is characterised in that the heating plant is submersible burning Nozzle or electrode.
17. short route copper metallurgy system according to claim 12, it is characterised in that second copper matte regulus is exported to discharge Second bronze medal sulphur, the second copper matte regulus entrance is additionally provided with the smelting furnace (10), the second bronze medal sulphur after cooling to be passed through The smelting furnace (10).
CN201720699517.3U 2017-06-14 2017-06-14 Short route copper metallurgy system Ceased CN206956120U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108411124A (en) * 2018-03-27 2018-08-17 东营方圆有色金属有限公司 A kind of novel short route Continuous Copper smelting device and technique
CN108486388A (en) * 2018-03-27 2018-09-04 东营方圆有色金属有限公司 A kind of low-grade copper scap cleaning smelting device and its technique
CN108588441A (en) * 2018-03-30 2018-09-28 东营方圆有色金属有限公司 A kind of pyrogenic process whole process cleaning copper smelting device and technique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108411124A (en) * 2018-03-27 2018-08-17 东营方圆有色金属有限公司 A kind of novel short route Continuous Copper smelting device and technique
CN108486388A (en) * 2018-03-27 2018-09-04 东营方圆有色金属有限公司 A kind of low-grade copper scap cleaning smelting device and its technique
CN108588441A (en) * 2018-03-30 2018-09-28 东营方圆有色金属有限公司 A kind of pyrogenic process whole process cleaning copper smelting device and technique

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