CN101880779A - Solid copper material processing method and apparatus thereof - Google Patents

Solid copper material processing method and apparatus thereof Download PDF

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Publication number
CN101880779A
CN101880779A CN2010101935520A CN201010193552A CN101880779A CN 101880779 A CN101880779 A CN 101880779A CN 2010101935520 A CN2010101935520 A CN 2010101935520A CN 201010193552 A CN201010193552 A CN 201010193552A CN 101880779 A CN101880779 A CN 101880779A
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China
Prior art keywords
furnace
copper
refining
liquid
solid copper
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CN2010101935520A
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Chinese (zh)
Inventor
姚素平
袁剑平
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China Nerin Engineering Co Ltd
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China Nerin Engineering Co Ltd
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Priority to CN2010101935520A priority Critical patent/CN101880779A/en
Publication of CN101880779A publication Critical patent/CN101880779A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The invention discloses a solid copper material processing method and an apparatus thereof. In the step of feeding and melting, a feeder is utilized to feed solid copper material into a shaft furnace which is at least 16 meters high, and the solid copper material is molten into molten copper; and the molten copper automatically flows into a refining furnace via a connecting chute between the shaft furnace and the refining furnace, and is refined. Refining includes the steps of oxidation and reduction. The method utilizes the height of the shaft furnace to constantly heat the solid copper material in the process of emitting high-temperature flue gas, the temperature of the finally emitted flue gas is only 250DEG C, consequently, the residual heat of the flue gas is sufficiently utilized, the heat efficiency is increased, energy consumption is reduced, and the melting speed is increased. The invention also discloses a solid copper material processing apparatus, which adopts the combination of the shaft furnace and the refining furnace and sufficiently utilizes the characteristics of the shaft furnace and the refining furnace, i.e. high melting speed, high mechanization and automation degree, safe operation, flexible furnace body size, good environment protection effect and low fabrication cost, and the apparatus is particularly applicable to the processing of solid copper material in large and medium waste copper recovery smelteries.

Description

A kind of solid copper material treatment process and equipment thereof
Technical field
The present invention relates to copper refining, especially relate to a kind of solid copper material treatment process and equipment thereof.
Background technology
Fixed reverberatory furnace and tilting furnace are generally adopted in solid copper material fusing, insulation, the refining of copper smelting plant at present, the high-temperature flue-gas that discharges in the melting process is up to 1350 ℃, take away~50% heat supplied, have the problem that thermo-efficiency is low, burn-off rate is slow, energy consumption is high.
Summary of the invention
A technical problem to be solved by this invention is to remedy above-mentioned prior art problems, and a kind of solid copper material treatment process is provided.
Another technical problem to be solved by this invention is to remedy above-mentioned prior art problems, and a kind of solid copper material processing apparatus is provided.
Solid copper material treatment process of the present invention is solved by the following technical programs:
This solid copper material treatment process comprises reinforced, fusing, refining and casting step.
The characteristics of this solid copper material treatment process are:
Described reinforced, fusing step is by charging machine solid copper material to be added in the shaft furnace that highly is at least 16m to be molten into liquid copper liquid;
Also comprise the liquid copper liquid after the fusing in the described shaft furnace is entered refining in the refining furnace by the chute gravity flow that is connected between shaft furnace and refining furnace.Owing to solid copper material foreign matter content height, need improve the purity of anode copper coin by refining process.
Described refining comprises oxidation and reduction step:
Described oxidation step is by the verting of refining furnace body of heater, and the redox mouth is imbedded below the liquid copper liquid liquid level, feeds oxygenant and carries out oxidation, and add the flux slag making by fire door and remove impurity.
Described reduction step is to reduce at the feeding reductive agent, drops to 0.1~0.2% with containing oxygen in the copper liquid.
Solid copper material treatment process of the present invention is solved by following further technical scheme:
Described shaft furnace height is 16~22m.
Described oxygenant is a kind of in pressurized air and the oxygen-rich air, and consumption is 1200~2000Nm 3/ h.
Described flux is a kind of in quartz sand, soda and the calcium oxide, and consumption is 2000~5000kg/ stove, contains the copper grade decision according to the Intake Quantity of solid copper material in the body of heater and solid copper material.
Described reductive agent is the reductant of carbon containing, protium, is a kind of in Sweet natural gas, liquefied petroleum gas (LPG) and the fine coal, and Sweet natural gas, liquefied petroleum gas (LPG) consumption are 1200~1800Nm 3/ h, the fine coal consumption is 1~2t/h.
Described casting step is that the liquid copper liquid after the refining is expelled to liquid filling machine and is cast into the anode copper coin.
Solid copper material processing apparatus of the present invention is solved by the following technical programs:
This solid copper material processing apparatus comprises shaft furnace and refining furnace, is existing installation.Existing shaft furnace is to be used for solid copper material fusing back direct pouring, and existing refining furnace is to be used to handle liquid blister copper.
The characteristics of this solid copper material processing apparatus are:
Described shaft furnace height is at least 16m, is provided with the chute of the band insulation that is connected usefulness between described shaft furnace and refining furnace, after the solid copper material that needs to handle adopts the shaft furnace fusing, enters refining furnace by the chute gravity flow.Treatment facility of the present invention will not be the existing installation that is used to handle solid copper material originally: shaft furnace and refining furnace applied in any combination are in handling solid copper material.
Solid copper material processing apparatus of the present invention is solved by following further technical scheme:
Described shaft furnace height is 16~22m.
Described shaft furnace is to adopt Sweet natural gas or coal gas to act as a fuel the shaft furnace of thermal source is provided.Adopt Sweet natural gas or coal gas to act as a fuel thermal source is provided, the cold copper material of solid is melted, enter refining furnace by chute then and carry out oxidation, reduction refining, be expelled to liquid filling machine again and be cast into the anode copper coin.The shaft furnace flue gas solid copper material that but preheating constantly adds in uphill process is discharged after entering the dust collecting system dedusting after flue-gas temperature reduces.
Described refining furnace is provided with redox stove position, adds oxygenant in redox stove position and carries out oxidation, and remove impurity by the slag making of fire door adding flux.
Described refining furnace is provided with the casting furnace position, will discharge by pouring gate through the liquid copper liquid after the refining in the casting furnace position.
Described refining furnace is provided with smoke outlet, and the refining furnace flue gas discharges after importing waste heat boiler recovery waste heat and bag collection by smoke outlet.
This solid copper material processing apparatus also comprises charging machine and liquid filling machine.
Described charging machine is a chapelet, and the solid copper material that needs to handle adds in the material bin by fork truck, rises to the shaft furnace charging opening along track by chapelet then.
Described liquid filling machine is connected by chute with the pouring gate of described refining furnace, and the liquid copper liquid after the refining of described refining furnace pouring gate discharge is cast into the anode copper coin.
The beneficial effect that the present invention is compared with prior art had:
The inventive method adopts shaft furnace melting solid copper material, and always at heat solid copper material, final discharged flue gas temperature has only 250 ℃ to the height that utilizes shaft furnace in high-temperature flue gas rising discharging process, made full use of fume afterheat, improve thermo-efficiency, cut down the consumption of energy, accelerated burn-off rate.Present device is with the two the strong point combination of shaft furnace and rotary refining furnace, it is fast and refining furnace mechanize, level of automation height, operational safety and body of heater size are flexible to make full use of the shaft furnace burn-off rate, environment protecting is good, the characteristics that cost is low especially are suitable for big-and-middle-sized useless composition brass and reclaim smeltery's processing solid copper material.
Description of drawings
Fig. 1 is the method flow diagram of the specific embodiment of the invention;
Fig. 2 is the equipment synoptic diagram of the specific embodiment of the invention.
Embodiment
Below the contrast accompanying drawing and in conjunction with embodiment the present invention is further illustrated.
Embodiment one
A kind ofly be used for big-and-middle-sized useless composition brass and reclaim the equipment that the smeltery handles solid copper material, comprise chapelet 1, highly for the shaft furnace 2 of 20m, refining furnace 4, shaft furnace 2 and refining furnace 4 be be incubated between chute 3 and liquid filling machine (not drawing among the figure).Shaft furnace 2 is to adopt Sweet natural gas or coal gas to act as a fuel the shaft furnace of thermal source is provided.
The method of the device processes solid copper material of this embodiment has following steps:
Reinforced, fusing: the foreign matter content height after will packing needs refining removal of impurities solid copper material to add in the material bin by fork truck, rise to shaft furnace 2 charging openings along track by chapelet 1 then, liquid copper liquid in the shaft furnace 2 after the fusing enters refining furnace 4 by chute 3 gravity flows.
Refining: comprise oxidation and reduction, forward refining furnace 4 to redox stove position, feed 1200Nm by the redox air port 3/ h pressurized air will be wherein oxidation of impurities, add again quartz sand, soda or calcium oxide as the flux slag making after, forward refining furnace 4 to the deslagging position, slag is skimmed; Forward refining furnace 4 to the reduction furnace position again, feed 1500Nm 3/ h Sweet natural gas reduces as reductive agent, drops to 0.1~0.2% with containing oxygen in the copper liquid; Refining furnace 4 flue gases discharge after importing waste heat boiler recovery waste heat and bag collection by smoke outlet.
Casting: forward refining furnace 4 to the casting furnace position, will be expelled to liquid filling machine by pouring gate and be cast into the anode copper coin through the liquid copper liquid after the refining in the casting furnace position.
Embodiment two
Basic identical with embodiment one, difference is: oxidation is to feed 1500Nm by the redox air port 3/ h pressurized air is with oxidation of impurities.
Embodiment three
Basic identical with embodiment one, difference is: oxidation is to feed 1800Nm by the redox air port 3/ h pressurized air is with oxidation of impurities.
Embodiment four
Basic identical with embodiment one, difference is: reduction is to feed 1200Nm 3/ h Sweet natural gas reduces as reductive agent.
Embodiment five
Basic identical with embodiment one, difference is: reduction is to feed 1800Nm 3/ h Sweet natural gas reduces as reductive agent.
Embodiment six
Basic identical with embodiment one, difference is: reduction is to feed 1200Nm 3/ h Sweet natural gas reduces as reductive agent.
Embodiment seven
Basic identical with embodiment one, difference is: reduction is to feed 1800Nm 3/ h Sweet natural gas reduces as reductive agent.
Embodiment eight
Basic identical with embodiment one, difference is: reduction is to feed 1200Nm 3/ h Sweet natural gas reduces as reductive agent.
Embodiment nine
Basic identical with embodiment one, difference is: reduction is to feed 1800Nm 3/ h Sweet natural gas reduces as reductive agent.
Embodiment ten
Basic identical with embodiment one, difference is: reduction is to adopt liquefied petroleum gas (LPG) to reduce as reductive agent, and the liquefied petroleum gas (LPG) consumption is 1500Nm 3/ h.
Embodiment 11
Basic identical with embodiment one, difference is: reduction is to adopt fine coal to reduce as reductive agent, and the fine coal consumption is 1.5t/h.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention; make some alternative or obvious modification that are equal to without departing from the inventive concept of the premise; and performance or purposes are identical, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of being submitted to.

Claims (10)

1. solid copper material treatment process comprises reinforced, fusing, refining and casting step, it is characterized in that:
Described reinforced, fusing step is by charging machine solid copper material to be added in the shaft furnace that highly is at least 16m to be molten into liquid copper liquid;
Also comprise the liquid copper liquid after the fusing in the described shaft furnace is entered refining in the refining furnace by the chute gravity flow that is connected between shaft furnace and refining furnace, described refining comprises oxidation and reduction step:
Described oxidation step is by the verting of refining furnace body of heater, and the redox mouth is imbedded below the liquid copper liquid liquid level, feeds oxygenant and carries out oxidation, and add the flux slag making by fire door and remove impurity;
Described reduction step is to reduce at the feeding reductive agent, drops to 0.1~0.2% with containing oxygen in the copper liquid.
2. solid copper material treatment process as claimed in claim 1 is characterized in that:
Described shaft furnace height is 16~22m.
3. solid copper material treatment process as claimed in claim 1 or 2 is characterized in that:
Described oxygenant is a kind of in pressurized air and the oxygen-rich air, and consumption is 1200~2000Nm 3/ h;
Described flux is a kind of in quartz sand, soda and the calcium oxide, and consumption is 2000~5000kg/ stove.
4. solid copper material treatment process as claimed in claim 3 is characterized in that:
Described reductive agent is the reductant of carbon containing, protium, is a kind of in Sweet natural gas, liquefied petroleum gas (LPG) and the fine coal, and Sweet natural gas, liquefied petroleum gas (LPG) consumption are 1200~1800Nm 3/ h, the fine coal consumption is 1~2t/h.
5. solid copper material treatment process as claimed in claim 4 is characterized in that:
Described casting step is that the liquid copper liquid after the refining is expelled to liquid filling machine and is cast into the anode copper coin.
6. a solid copper material processing apparatus comprises shaft furnace and refining furnace, it is characterized in that:
Described shaft furnace height is at least 16m, is provided with the chute of the band insulation that is connected usefulness between described shaft furnace and refining furnace, after the solid copper material that needs to handle adopts the shaft furnace fusing, enters refining furnace by the chute gravity flow.
7. solid copper material processing apparatus as claimed in claim 6 is characterized in that:
Described shaft furnace is to adopt Sweet natural gas or coal gas to act as a fuel the shaft furnace of thermal source is provided.
8. as claim 6 or 7 described solid copper material processing apparatus, it is characterized in that:
Described refining furnace is provided with redox stove position, adds oxygenant in redox stove position and carries out oxidation, and remove impurity by the slag making of fire door adding flux;
Described refining furnace is provided with smoke outlet, and the refining furnace flue gas discharges after importing waste heat boiler recovery waste heat and bag collection by smoke outlet.
9. solid copper material processing apparatus as claimed in claim 8 is characterized in that:
Described refining furnace is provided with the casting furnace position, will discharge by pouring gate through the liquid copper liquid after the refining in the casting furnace position.
10. solid copper material processing apparatus as claimed in claim 9 is characterized in that:
Also comprise charging machine and liquid filling machine;
Described charging machine is a chapelet, and the solid copper material that needs to handle adds in the material bin by fork truck, rises to the shaft furnace charging opening along track by chapelet then;
Described liquid filling machine is connected by chute with the pouring gate of described refining furnace, and the liquid copper liquid after the refining of described refining furnace pouring gate discharge is cast into the anode copper coin.
CN2010101935520A 2010-06-07 2010-06-07 Solid copper material processing method and apparatus thereof Pending CN101880779A (en)

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Application Number Priority Date Filing Date Title
CN2010101935520A CN101880779A (en) 2010-06-07 2010-06-07 Solid copper material processing method and apparatus thereof

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102162037A (en) * 2011-04-11 2011-08-24 宁波金田冶炼有限公司 Method for depleting refining slag of copper
CN103131870A (en) * 2013-03-05 2013-06-05 浙江大学宁波理工学院 Method for preprocessing furnace temperature distribution data of scrap copper smelting furnace
CN104294050A (en) * 2014-10-31 2015-01-21 宁波大学 Energy-saving method for smelting copper rods for electrical purposes utilizing low-grade copper through adoption of up-casting method
CN104611574A (en) * 2015-02-15 2015-05-13 池州冠华黄金冶炼有限公司 Method for refining scrap copper
CN107760880A (en) * 2017-10-23 2018-03-06 铜陵市业永兴工贸有限责任公司 A kind of process for purifying miscellaneous copper
CN108103319A (en) * 2017-12-29 2018-06-01 中南大学 A kind of more metalliferous material High-Temperature Strengthening method of refining of cupric
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
CN111440957A (en) * 2020-04-15 2020-07-24 中国恩菲工程技术有限公司 System and method for treating zinc concentrate and zinc slag

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1429921A (en) * 2001-12-30 2003-07-16 李自立 Continuous refining furnace
CN101654792A (en) * 2008-08-23 2010-02-24 大冶有色金属公司 Regeneration novel process adopting electrolysis residual pole pyrogenic method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1429921A (en) * 2001-12-30 2003-07-16 李自立 Continuous refining furnace
CN101654792A (en) * 2008-08-23 2010-02-24 大冶有色金属公司 Regeneration novel process adopting electrolysis residual pole pyrogenic method

Non-Patent Citations (1)

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Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102162037A (en) * 2011-04-11 2011-08-24 宁波金田冶炼有限公司 Method for depleting refining slag of copper
CN103131870A (en) * 2013-03-05 2013-06-05 浙江大学宁波理工学院 Method for preprocessing furnace temperature distribution data of scrap copper smelting furnace
CN104294050A (en) * 2014-10-31 2015-01-21 宁波大学 Energy-saving method for smelting copper rods for electrical purposes utilizing low-grade copper through adoption of up-casting method
CN104611574A (en) * 2015-02-15 2015-05-13 池州冠华黄金冶炼有限公司 Method for refining scrap copper
CN107760880A (en) * 2017-10-23 2018-03-06 铜陵市业永兴工贸有限责任公司 A kind of process for purifying miscellaneous copper
CN108103319A (en) * 2017-12-29 2018-06-01 中南大学 A kind of more metalliferous material High-Temperature Strengthening method of refining of cupric
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
CN111440957A (en) * 2020-04-15 2020-07-24 中国恩菲工程技术有限公司 System and method for treating zinc concentrate and zinc slag

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Open date: 20101110