CN105087956A - Smelting furnace for continuously smelting blister copper through copper sulfide concentrate and smelting method of smelting furnace - Google Patents
Smelting furnace for continuously smelting blister copper through copper sulfide concentrate and smelting method of smelting furnace Download PDFInfo
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Abstract
The invention provides a smelting furnace for continuously smelting blister copper through copper sulfide concentrate and a smelting method of the smelting furnace. The smelting furnace is an integrated metallurgical furnace with the front-end top-blown smelting function, the middle electric furnace setting function and the tail-end matte continuous converting function and comprises a front-end top-blown smelting furnace, a middle setting electric furnace and a tail-end matte continuous converting furnace with the bottoms communicated sequentially. According to the smelting method, the procedures that the copper sulfide concentrate is continuously smelted into mixed melt of matte and slag through the converting furnace, settling separation of the matte and the slag is performed continuously, and the matte is continuously blown into blister copper are not needed. The three metallurgical processes that the copper sulfide concentrate is smelted into the mixed melt of the matte and the slag, settling separation of the matte and the slag is performed, and the matte is continuously blown into the blister copper can be continuously finished, the equipment structure and the operation process are simple, energy consumption is low, and environmental friendliness and safety are achieved.
Description
Technical field
The present invention relates to the Non-ferrous Metallurgy Apparatus and method for technology woods fine jade, be specifically related to the pyrometallurgical smelting Apparatus and method for of copper sulfide concentrate.
Background technology
The method that copper sulfide concentrate smelts production of copper is generally divided into two main smelting process for production steps, and the first step is the slag smelted by copper sulfide concentrate for matte and low copper, and second step is that the blowing refinement of the matte is become blister copper.Traditional Copper making technique is for being blister copper with blast furnace smelting copper ore concentrates with reverberatory furnace blowing matte, and feature is that processing method is simple, and small scale, energy consumption are high, labour intensity is large, and environmental pollution is serious.
Round topsoil prevention and control and energy-conservation two central topics, country variant has developed many copper metallurgy novel procesies differed from one another, and obtains industrial application.Wherein, be that the novel method of matte mainly comprises: (1) Rouyn-Noranda copper-smelting method: developed in 1967 by Canadian Noranda Mines Ltd. by copper sulfide concentrate melting.Noranda furnace used is actually the PS converter of an oversize, with the stove outer covering of device for revolving and driving, and liner magnesite chrome brick.Rouyn-Noranda copper smelting furnace both can direct production blister copper, also can produce high-grade matte, but direct production blister copper to there is blister copper second-rate, the shortcomings such as the foreign matter content such as sulphur and rare and scatter element is high, Copper in Slag is high, furnace campaign is short.(2) mitsubishi continuous copper smelting: be that Mitsubishi metal company was developed in 1974.By smelting furnace (S stove), converting furnace (C stove) and slag depletion electric furnace (CL stove) three stoves, separate but matte and slag are interconnected by chute stove forms the method.The high-grade matte of smelting furnace output and Slag Blend flow into electric furnace clarified separation continuously, and isolated slag flows out shrend continuously, and matte flows into converting furnace continuously.The blister copper of converting furnace output flows out continuously into anode furnace, a small amount of blowing slag shrend Returning smelting stove continuously.Smelting furnace (S stove), electric furnace (CL stove), converting furnace (C stove) and 2 anode furnaces must run simultaneously, and tight association.The shortcoming of the method is that between three stoves, relational degree is too high, and conditioning each other property is comparatively large, operates the careless slightly technique that just causes and is difficult to continuously, and therefore this technique is applied few at present.(3) INCO oxygen flash smelting method: also known as International nickel Co. Ltd. Inco. Ltd.'s oxygen flash smelting.The method to be water content be 0.1% dry furnace charge and spray in stove from the concentrate burner level at stove two ends containing the industrial oxygen of oxygen 95%.Concentrate burner is the water-cooled stainless steel tube of lined ceramics.The matte generating grade 45 ~ 55% send PS to bessemerize.The direct water of slag of cupric about 0.7% is broken discarded.Containing SO
2be 70 ~ 80% flue gas discharge from being located at funnel uptake in the middle part of stove and directly sending flue gas dust collection system.Flue gas is in order to manufacture sulfur dioxide liquid, elementary sulfur or sulfuric acid.The shortcoming of the method is that copper ore concentrates melting assists auxiliary facility many, and material needs to do stokehold pre-treatment, and smelting cost is high, and stove is high to entering stokehold material performance requirement.(4) Teniente modified converter smelting process: add the technology that copper ore concentrates carries out melting while being the matte that blows in converter of the card Leto Nei Si smeltery research and development of Te Niente branch office of Chilean national Tong Ye company.Its principle is that residual heats a large amount of for common ice copper converting process is used for melting copper concentrate.The equipment used is basic similar to PS converter or noranda furnace.The feature of the method and deficiency are that a large amount of concentrate enters stokehold and needs drying treatment, and enter the moisture control overflow of stove to concentrate high, stokehold processing cost is high, and the Copper in Slag of melting output is higher, also needs the rotary kiln of supporting reduction sedimentation slag, to reduce Copper in Slag.(5) top blast puritic process: the method is that first north Nie Ye company of the Soviet Union adopts, and is used for processing copper-nickel concentrate.Top blast pyritic smelting ratio juris is similar to Wa Niukefufa.It is one and fixing establishes concentrate to add entrance and oxygen top blown spray gun in stove top, uses the industrial oxygen of 95% concentration.Oxygen rifle is kept certain height apart from liquid level, by the impact of high pressure draft, stirs melt and oxidic concentrate.The matte of output grade 60% send to be bessemerized, and slag cupric about 1.5% send electric dilution process.The feature of the method and deficiency are that processing power is little, and only improve production capacity by increasing stove, the Copper in Slag of fusion process output is higher, slag copper inferior separating effect in stove.(6) IAS/Ausmelt smelting process: belong to bath smelting category, has been widely used in the fields such as copper, tin, lead, iron and steel.Develop very fast over nearly 10 years, the whole world built or build more than 40.It is high that top blast submergence smelting process technology has melting concentration, and furnace sealing is good, and workshop environmental protection condition is good, and structure is simple, and concentrate, without the need to special drying, invests the advantages such as relatively low.The shortcoming of the method is that processing power is difficult to realize breaking through, and can only realize output lifting at present by increasing stove.(7) Outokumpu flash smelting: the industrialization of Outokumpu Flash Smelting Furnace was in 1949, and about 50% of current world copper output is produced by Outokumpu Flash Smelting Furnace.Separate unit Flash Smelting Furnace copper max output is more than 400kt.Because arrange concentrate depth drying device, Flash Smelting Furnace installs the reasons such as a large amount of copper water jackets, when design scale is less, there is the problem that the construction investment of unit output is higher.The processing method of blister copper is become by the blowing refinement of the matte mainly to adopt PS converter.PS converter is the traditional technology be generally used, and the matte of about 85% adopts and bessemerizes in the world.It is reliable that PS bessemerizes technology maturation, but because of PS converter intermittent operation, exhaust gas volumn fluctuation is large, fire door air leak rate of air curtain is high, SO
2the reasons such as smoke spillage, cause the problems such as low latitude smoke pollution to be difficult to radical cure.All researching and developing and promoting the use of continuous converting novel process replacement PS converter both at home and abroad for this reason, or PS converter installation is improved, as flash blowing, Ausmelt top blast immersed air refining, Huo Boken siphon converter etc., after improvement, it is large that technique absorbs flash blowing processing power, settling area is large, the advantage that slag rate is low, absorb Ausmelt top blast immersed air refining low to material performance requirement, process without the need to stokehold, the advantage that removing impurities ability is strong, absorb the siphon of Huo Boken siphon bessemer matte to enter to blow region, direct blowing, realize the advantage etc. that matte is separated with smelting slag, abandon each type of furnace shortcoming noted earlier.
Not only equipment is complicated, investment is large for aforesaid device and method, complex process, and all there is a common problem, smelting by copper sulfide concentrate becomes the technique of blister copper discontinuous with the slag technique of low copper with by the blowing refinement of the matte for matte, converter is needed between two-stage process, the matte that namely melting of FEOL will be obtained and low Cu-S ore and blend melt transfer to the converting furnace of blowing blister copper by intermediate equipment, consume energy, time-consuming, work efficiency is low, kiln process flue gas overflows big for environment pollution, also there is potential safety hazard.
Summary of the invention
The object of the invention is to solve above-mentioned prior art Problems existing, there is provided a kind of and can complete three metallurgical processes that settlement separate, matte continuous converting that copper sulfide concentrate is smelted into the blend melt of matte and slag, matte and slag are blister copper continuously, device structure and operating procedure is simple, energy consumption is low, environmental protection, the smelting furnace of copper sulfide concentrate continuous smelting blister copper of safety and melting method thereof.
Object of the present invention is achieved through the following technical solutions:
A kind of smelting furnace of copper sulfide concentrate continuous smelting blister copper, described smelting furnace is the integral type metallurgical furnace of front end top blow smelting, middle electric furnace sedimentation, the continuous converting of end matte, includes front end top blow smelting stove, intermediate sedimentation electric furnace, end matte continuous-blowing furnace that bottom is sequentially communicated with; Described front end top blow smelting stove comprise top be provided with copper sulfide concentrate entrance smelting zone body of heater, from the copper sulfide concentrate melting spray gun of insertion smelting zone, body of heater top, smelting zone burner hearth, the melting exhanst gas outlet being arranged at body of heater top, smelting zone; Described intermediate sedimentation electric furnace includes electric furnace district body of heater, the electric furnace slag discharge outlet be arranged on body of heater furnace wall, electric furnace district, to insert the electrode of electric furnace district burner hearth, be arranged at the sedimentation electric furnace district fume emission mouth at body of heater top, electric furnace district from body of heater top, electric furnace district; Described end matte continuous-blowing furnace include top be provided with blowing flux add entrance blowing district body of heater, insert from blowing body of heater top, district blowing district burner hearth blowing spray gun, be arranged at blowing district bottom of furnace body blister copper escape orifice, be arranged at the blowing slag escape orifice of blowing body of heater furnace wall, district, be arranged at the blowing district exhanst gas outlet in blowing body of heater furnace roof portion of district; The bottom of smelting zone burner hearth is communicated with the bottom of electric furnace district burner hearth, and the bottom of electric furnace district burner hearth is communicated with the bottom of blowing district burner hearth.
The bottom surface of smelting zone of the present invention burner hearth and the bottom surface of electric furnace district burner hearth are the continuous inclined-plane reduced gradually backward, and the bottom surface of blowing district burner hearth is lower than the bottom surface of electric furnace district burner hearth.
A kind of melting method of smelting furnace of copper sulfide concentrate continuous smelting blister copper, the method does not need continuously copper sulfide concentrate to be smelted into matte through converter to carry out after the blend melt of slag that matte and slag are settlement separate becomes blister copper continuously again by the blowing refinement of the matte continuously, be specially: smelting material is joined the blend melt molten bath of smelting zone lower furnace portion from the copper sulfide concentrate entrance of front end top blow smelting stove, oxygen and pressurized air are sprayed into melting molten bath from melting spray gun, by copper sulfide concentrate oxidizing semlting, obtain the blend melt of liquid matte and slag, containing SO
2flue gas discharge from melting exhanst gas outlet, the blend melt of liquid matte and slag flows directly into intermediate sedimentation electric furnace by the foot passage of smelting zone burner hearth and electric furnace district burner hearth, settlement separate one-tenth matte floor and the electric furnace slag blanket floated on matte floor in electric furnace district burner hearth, melt temperature is kept by electrifying electrodes heating, electric furnace district produce flue gas discharged out of the furnace by sedimentation electric furnace district fume emission mouth, electric furnace slag from electric furnace slag discharge outlet discharge come out of the stove, the matte falling to electric furnace district burner hearth bottom flows into end matte continuous-blowing furnace by electric furnace district burner hearth and the passage of blowing district burner hearth bottom, add entrance from blowing flux to add flux and mix with the blowing slag that the district lower furnace portion of blowing blows molten bath, district matte and matte floor, oxygen and pressurized air are joined in the slag layer of blowing molten bath, district by blowing spray gun, the blowing refinement of the matte is become blister copper, and the flue gas that blowing produces is by blowing district's burner hearth and discharge out of the furnace through the district exhanst gas outlet of blowing, the blister copper that blowing produces is released outside stove by blister copper escape orifice.
The inventive method is containing SO
2flue gas from melting exhanst gas outlet discharge after, can through waste heat boiler and gather dust process after send to relieving haperacidity.After the flue gas that electric furnace district produces is discharged out of the furnace by sedimentation electric furnace district fume emission mouth, can carry out gathering dust and vent gas treatment.The flue gas that blowing produces is by blowing district's burner hearth and after the district exhanst gas outlet of blowing discharges out of the furnace, also can carry out gathering dust and vent gas treatment.
The deficiency that Copper making technique of instant invention overcomes over exists, major advantage is:
(1) only need just to complete with a metallurgical furnace three metallurgical processes that settlement separate, matte continuous converting that copper sulfide concentrate is smelted into the blend melt of matte and slag, matte and slag are blister copper continuously, one step smelts high-quality blister copper, the blister copper copper content obtained is greater than 98%, smelting slag copper content is less than 0.65%, and blowing Copper in Slag amount is less than 12%.
(2) matte and heat of slags are fully used, and energy-saving effect is obvious.
(3) the inventive method is adopted, SO
2fluctuation of concentration is little, and the flue gas that smelting furnace produces is containing SO
2concentration stabilize is 8 ~ 15%, and tail gas can realize relieving haperacidity continuously and stably, SO
2utilization ratio be greater than 98%, environmental protection condition is good, and final tail gas can realize qualified discharge.
(4) adopt the inventive method, raw material preparation is simple, and except sedimentation electric furnace needs to consume except certain electric energy, melting and blowing all realize pyritic smelting, and do not need extra fuel, energy consumption is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of smelting furnace of the present invention.
Embodiment
The smelting furnace of copper sulfide concentrate continuous smelting blister copper is as shown in Figure 1 the integral type metallurgical furnace of front end top blow smelting, middle electric furnace sedimentation, the continuous converting of end matte, includes front end top blow smelting stove, intermediate sedimentation electric furnace, end matte continuous-blowing furnace that bottom is sequentially communicated with; Described front end top blow smelting stove comprise top be provided with copper sulfide concentrate entrance 1 smelting zone body of heater 5, from the copper sulfide concentrate melting spray gun 2 of insertion smelting zone, body of heater top, smelting zone burner hearth 4, the melting exhanst gas outlet 3 being arranged at body of heater top, smelting zone; Described intermediate sedimentation electric furnace includes electric furnace district body of heater 7, the electric furnace slag discharge outlet 10 be arranged on body of heater furnace wall, electric furnace district, to insert the electrode 21 of electric furnace district burner hearth 17, be arranged at the sedimentation electric furnace district fume emission mouth 22 at body of heater top, electric furnace district from body of heater top, electric furnace district; Described end matte continuous-blowing furnace include top be provided with blowing flux add entrance 18 blowing district body of heater 11, insert from blowing body of heater top, district blowing district burner hearth 16 blowing spray gun 19, be arranged at blowing district bottom of furnace body blister copper escape orifice 12, be arranged at the blowing slag escape orifice 15 of blowing body of heater furnace wall, district, be arranged at the blowing district exhanst gas outlet 20 in blowing body of heater furnace roof portion of district; The bottom of smelting zone burner hearth 4 is communicated with the bottom of electric furnace district burner hearth 17, and the bottom of electric furnace district burner hearth 17 is communicated with the bottom of blowing district burner hearth 16.Between smelting zone body of heater 5 top and body of heater 7 top, electric furnace district and body of heater 7 top, electric furnace district and blowing body of heater 11 top, district between be divided into disconnected three regions mutually by partition wall 23,24 respectively.The bottom surface of smelting zone burner hearth 4 and the bottom surface of electric furnace district burner hearth 17 are the continuous inclined-plane reduced gradually backward, the bottom surface of blowing district burner hearth 16 is lower than the bottom surface of electric furnace district burner hearth 17, rely on deadweight successfully to flow into electric furnace district burner hearth voluntarily with the blend melt of the liquid matte and slag that enable smelting zone burner hearth, the matte liquid of electric furnace district burner hearth can rely on deadweight successfully to flow into blowing district burner hearth voluntarily.
Copper sulfide concentrate continuous smelting is become the melting method of blister copper by the present invention, do not need namely serially copper sulfide concentrate to be smelted into matte through converter and carry out after the blend melt of slag that matte and slag are settlement separate becomes blister copper continuously again by the blowing refinement of the matte continuously, be specially: smelting material is joined the blend melt molten bath 6 of smelting zone burner hearth 4 bottom from the copper sulfide concentrate entrance 1 of front end top blow smelting stove, oxygen and pressurized air are sprayed into melting molten bath from melting spray gun 2, by copper sulfide concentrate oxidizing semlting, obtain the blend melt of liquid matte and slag, containing SO
2flue gas discharge from melting exhanst gas outlet 3, through waste heat boiler and gather dust process after send to relieving haperacidity.The blend melt of liquid matte and slag flows directly into intermediate sedimentation electric furnace by smelting zone burner hearth 4 and the foot passage of electric furnace district burner hearth 17, settlement separate one-tenth matte floor 9 and the electric furnace slag blanket 8 floated on matte floor in electric furnace district burner hearth 17, melt temperature is kept by electrode 21 electrified regulation, the flue gas that electric furnace district produces is discharged out of the furnace by sedimentation electric furnace district fume emission mouth 22, carry out gathering dust and vent gas treatment, electric furnace slag from electric furnace slag discharge outlet 10 discharge come out of the stove.The matte falling to electric furnace district burner hearth bottom flows into end matte continuous-blowing furnace by electric furnace district burner hearth and the passage of blowing district burner hearth bottom, add entrance 18 from blowing flux to add flux 17 and mix with the blowing slag 14 blown burner hearth 16 bottom, district blowing district molten bath matte and matte floor, oxygen and pressurized air are joined in the slag layer of blowing molten bath, district by blowing spray gun 19, the blowing refinement of the matte is become blister copper 13, the flue gas that blowing produces passes through blowing district burner hearth 16 and discharges out of the furnace through blowing district exhanst gas outlet 20, carries out gathering dust and vent gas treatment.The blister copper 13 that blowing produces is released outside stove by blister copper escape orifice 12.
The invention provides a kind of copper sulfide concentrate continuous smelting to become matte---matte is settlement separate with slag---the blowing refinement of the matte becomes the novel appts of blister copper and the novel method of continuous smelting thereof, front end top blow smelting, middle electric furnace sedimentation, the continuous converting of end matte are formed a continuously production process, there is the remarkable advantages such as production efficiency is high, instrument and supplies is simple, energy consumption is low, Environmental Safety.
Claims (6)
1. the smelting furnace of a copper sulfide concentrate continuous smelting blister copper and melting method thereof, it is characterized in that, described smelting furnace is the integral type metallurgical furnace of front end top blow smelting, middle electric furnace sedimentation, the continuous converting of end matte, includes front end top blow smelting stove, intermediate sedimentation electric furnace, end matte continuous-blowing furnace that bottom is sequentially communicated with; Described front end top blow smelting stove comprise top be provided with copper sulfide concentrate entrance (1) smelting zone body of heater (5), from the copper sulfide concentrate melting spray gun (2) at insertion smelting zone burner hearth, body of heater top, smelting zone (4), the melting exhanst gas outlet (3) being arranged at body of heater top, smelting zone; Described intermediate sedimentation electric furnace includes electric furnace district body of heater (7), the electric furnace slag discharge outlet (10) be arranged on body of heater furnace wall, electric furnace district, insert from body of heater top, electric furnace district electric furnace district burner hearth (17) electrode (21), be arranged at sedimentation electric furnace district fume emission mouth (22) at body of heater top, electric furnace district; Described end matte continuous-blowing furnace include top be provided with blowing flux add entrance (18) blowing district body of heater (11), insert from blowing body of heater top, district blowing district's burner hearth (16) blowing spray gun (19), be arranged at blowing district bottom of furnace body blister copper escape orifice (12), be arranged at the blowing slag escape orifice (15) of blowing body of heater furnace wall, district, be arranged at blowing district exhanst gas outlet (20) in blowing body of heater furnace roof portion of district; The bottom of smelting zone burner hearth (4) is communicated with the bottom in electric furnace district burner hearth (17), and the bottom in electric furnace district burner hearth (17) is communicated with the bottom of blowing district's burner hearth (16).
2. the smelting furnace of a kind of copper sulfide concentrate continuous smelting blister copper according to claim 1, it is characterized in that, the bottom surface of smelting zone burner hearth (4) and the bottom surface in electric furnace district burner hearth (17) are the continuous inclined-plane reduced gradually backward, and the bottom surface of blowing district's burner hearth (16) is lower than the bottom surface in electric furnace district burner hearth (17).
3. the melting method of a kind of smelting furnace of copper sulfide concentrate continuous smelting blister copper as claimed in claim 1 or 2, it is characterized in that, the method does not need continuously copper sulfide concentrate to be smelted into matte through converter to carry out after the blend melt of slag that matte and slag are settlement separate becomes blister copper continuously again by the blowing refinement of the matte continuously, be specially: smelting material is joined the blend melt molten bath (6) of smelting zone burner hearth (4) bottom from the copper sulfide concentrate entrance (1) of front end top blow smelting stove, oxygen and pressurized air are sprayed into melting molten bath from melting spray gun (2), by copper sulfide concentrate oxidizing semlting, obtain the blend melt of liquid matte and slag, containing SO
2flue gas discharge from melting exhanst gas outlet (3), the blend melt of liquid matte and slag flows directly into intermediate sedimentation electric furnace by smelting zone burner hearth (4) and the foot passage in electric furnace district burner hearth (17), settlement separate one-tenth matte floor (9) and the electric furnace slag blanket (8) that floats on matte floor in electric furnace district burner hearth (17), melt temperature is kept by electrode (21) electrified regulation, the flue gas that electric furnace district produces is discharged out of the furnace by sedimentation electric furnace district fume emission mouth (22), and electric furnace slag is from electric furnace slag discharge outlet (10) discharge is come out of the stove, the matte falling to electric furnace district burner hearth bottom flows into end matte continuous-blowing furnace by electric furnace district burner hearth and the passage of blowing district burner hearth bottom, add entrance (18) from blowing flux to add flux (17) and mix with the blowing slag (14) blown burner hearth (16) bottom, district blowing district molten bath matte and matte floor, oxygen and pressurized air are joined in the slag layer of blowing molten bath, district by blowing spray gun (19), the blowing refinement of the matte is become blister copper (13), the flue gas that blowing produces passes through blowing district's burner hearth (16) and discharges out of the furnace through blowing district's exhanst gas outlet (20), the blister copper (13) that blowing produces is released outside stove by blister copper escape orifice (12).
4. the melting method of a kind of smelting furnace of copper sulfide concentrate continuous smelting blister copper according to claim 3, is characterized in that, containing SO
2flue gas from melting exhanst gas outlet (3) discharge after, through waste heat boiler and gather dust process after send to relieving haperacidity.
5. the melting method of a kind of smelting furnace of copper sulfide concentrate continuous smelting blister copper according to claim 3, is characterized in that, the flue gas that electric furnace district produces carries out gathering dust and vent gas treatment after being discharged out of the furnace by sedimentation electric furnace district fume emission mouth (22).
6. the melting method of a kind of smelting furnace of copper sulfide concentrate continuous smelting blister copper according to claim 3, it is characterized in that, the flue gas that blowing produces passes through blowing district's burner hearth (16) and after blowing district's exhanst gas outlet (20) discharges out of the furnace, carries out gathering dust and vent gas treatment.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105907987A (en) * | 2016-04-26 | 2016-08-31 | 中国瑞林工程技术有限公司 | Smelting furnace and copper matte preparation method using same |
| CN106282597A (en) * | 2016-08-19 | 2017-01-04 | 铜陵有色金属集团股份有限公司奥炉工程项目部 | Low-energy-consumption top-blown furnace and using method thereof |
| CN106352698A (en) * | 2016-09-09 | 2017-01-25 | 江苏省冶金设计院有限公司 | Smelting furnace |
| CN107699711A (en) * | 2017-09-18 | 2018-02-16 | 中国恩菲工程技术有限公司 | Copper weld pool method |
| CN108193057A (en) * | 2018-02-08 | 2018-06-22 | 宜兴曜源科技发展有限公司 | A kind of copper converting slag is hot to add in copper smelter system and its operating method |
| CN109880955A (en) * | 2019-04-17 | 2019-06-14 | 中国恩菲工程技术有限公司 | Short route handles the method for smelting and smelting apparatus of iron-based polymetallic ore material |
| CN112746184A (en) * | 2021-04-06 | 2021-05-04 | 中国恩菲工程技术有限公司 | Copper smelting furnace, copper smelting equipment and copper smelting method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105907987A (en) * | 2016-04-26 | 2016-08-31 | 中国瑞林工程技术有限公司 | Smelting furnace and copper matte preparation method using same |
| CN106282597A (en) * | 2016-08-19 | 2017-01-04 | 铜陵有色金属集团股份有限公司奥炉工程项目部 | Low-energy-consumption top-blown furnace and using method thereof |
| CN106282597B (en) * | 2016-08-19 | 2019-01-25 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | The application method of top blast furnace |
| CN106352698A (en) * | 2016-09-09 | 2017-01-25 | 江苏省冶金设计院有限公司 | Smelting furnace |
| CN107699711A (en) * | 2017-09-18 | 2018-02-16 | 中国恩菲工程技术有限公司 | Copper weld pool method |
| CN108193057A (en) * | 2018-02-08 | 2018-06-22 | 宜兴曜源科技发展有限公司 | A kind of copper converting slag is hot to add in copper smelter system and its operating method |
| CN108193057B (en) * | 2018-02-08 | 2023-09-12 | 宜兴曜源科技发展有限公司 | Copper smelting furnace system for adding copper converting slag in hot state and operation method thereof |
| CN109880955A (en) * | 2019-04-17 | 2019-06-14 | 中国恩菲工程技术有限公司 | Short route handles the method for smelting and smelting apparatus of iron-based polymetallic ore material |
| CN109880955B (en) * | 2019-04-17 | 2021-01-08 | 中国恩菲工程技术有限公司 | Smelting method and smelting device for treating iron-based multi-metal ore material in short process |
| CN112746184A (en) * | 2021-04-06 | 2021-05-04 | 中国恩菲工程技术有限公司 | Copper smelting furnace, copper smelting equipment and copper smelting method |
| CN112746184B (en) * | 2021-04-06 | 2021-07-06 | 中国恩菲工程技术有限公司 | Copper smelting furnace, copper smelting equipment and copper smelting method |
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