CN204982010U - One step of stove of making thick copper in high magnetism copper oxidizing slag of follow - Google Patents

One step of stove of making thick copper in high magnetism copper oxidizing slag of follow Download PDF

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Publication number
CN204982010U
CN204982010U CN201520678779.2U CN201520678779U CN204982010U CN 204982010 U CN204982010 U CN 204982010U CN 201520678779 U CN201520678779 U CN 201520678779U CN 204982010 U CN204982010 U CN 204982010U
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CN
China
Prior art keywords
copper
stove
heater
furnace body
high magnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520678779.2U
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Chinese (zh)
Inventor
蔡兵
袁海滨
顾鹤林
宋兴诚
唐都作
陈钢
刘国辉
罗永春
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Copper Industry Branch Of Yunnan Tin Co Ltd
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Copper Industry Branch Of Yunnan Tin Co Ltd
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Priority to CN201520678779.2U priority Critical patent/CN204982010U/en
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Publication of CN204982010U publication Critical patent/CN204982010U/en
Expired - Fee Related legal-status Critical Current
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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

One step of stove of making thick copper in high magnetism copper oxidizing slag of follow, the cylindrical furnace body of axial pivoted can be followed for horizontal installation in furnace body (1) of stove on seat circle (2), the top and the bottom of furnace body are provided with feed inlet (3) and wind gap (4) respectively, and the front end upper portion of furnace body is provided with and connects cinder notch (5), and the rear end of furnace body is provided with nozzle (6), and oven upper portion is provided with thick copper discharge port (7). The utility model discloses high magnetism copper oxidizing slag copper -containing and armco iron content can be reduced, the mobility of oxidizing slag is improved, the sedimentation of copper in the oxidizing slag of being convenient for to improve and smelt the straight yield of copper, reduce the the smelting process energy consumption, the increase of production.

Description

From high Magnetic Copper oxidation sludge, one step makes the stove of blister copper
Technical field
The utility model belongs to nonferrous metallurgical equipment technical field, be a kind of from high Magnetic Copper oxidation sludge one step make the stove of blister copper.
Background technology
The high Magnetic Copper oxidation sludge cupric of current top blast converting furnace, bottom convertor or flash converting furnace output is high, slag Armco magnetic iron content is high, slag reduction or settlement separate ability itself is not possessed in stove, cause Copper in Slag higher, a large amount of Copper in Slag at smelting flow process internal recycle, thus result in the problems such as Copper making energy consumption is high.Matte oxygen-enriched air converting is a strengthening smelting process, and the copper in material is reinforced into Red copper oxide, and the solubleness of Red copper oxide in scum is high, very easily form high Magnetic Copper oxidation sludge with scum, from material phase analysis, the eutectic of its mainly copper iron, chemical formula is CuFe 2o 4, iron be Armco magnetic iron form in conjunction with Red copper oxide, bonding force is comparatively strong, and it is containing Cu about 20%, iron content about 45%.Melting ingredient etc. is returned to after the slow cooling of its process main employing slag after beneficiating method, sedimentation electric furnace reduction sulfuration dilution method, shrend in industry, the shortcoming of the equipment of these methods and employing thereof is that recovery rate in ore-dressing is low, copper loss is lost large, electric furnace reduction efficiency is low, furnace bottom easily plays frozen crust, energy consumption is high, and shrend returns that melting brings energy consumption to increase, copper internal circulating load is large in system.
Summary of the invention
The purpose of this utility model is to solve above-mentioned prior art Problems existing, there is provided a kind of and can reduce to high Magnetic Copper oxidation sludge, a step output blister copper, the copper amount that reduces reducing slag cupric, reduce smelting system internal recycle, thus reduce by one step from high Magnetic Copper oxidation sludge of smelting energy consumption and relevant cost and make the stove of blister copper.
The purpose of this utility model is achieved through the following technical solutions:
From high Magnetic Copper oxidation sludge, one step makes the method for blister copper, and method steps is as follows:
From high Magnetic Copper oxidation sludge, one step makes the stove of blister copper, the body of heater of stove is that level is installed on the cylindrical furnace that seat ring also can rotate vertically, the top of body of heater and bottom are respectively arranged with opening for feed and air port, the upper front end of body of heater is provided with and connects cinder notch, the rear end of body of heater is provided with burner, and top, furnace wall is provided with blister copper discharge outlet.
The rotational angle of described cylindrical furnace is 90 ° ~ 270 °.The exit end connecing the external chute of cinder notch of body of heater, the inlet end of chute is positioned at below the slag notch 1 of converting furnace.Feed belt is provided with above stove.
The utility model achieves in same stove, pass through retailoring, a clarified separation, deslagging, blowing, post-defecation is separated, the process of row's copper, by top blast converting furnace, bottom convertor or flash converting furnace output containing Cu about 20%, high Magnetic Copper oxidation sludge one step of iron content about 45% is reduced into blister copper, make reducing slag contain magnetic iron and be reduced to less than 20%, the remarkable mobility improving reducing slag, reduce the viscosity of reducing slag, be convenient to the settlement separate of copper in slag, reducing slag cupric can a step-down be low to moderate less than 3% even lower, more low-grade reducing slag can send slag ore-sorting system recovery valuable metal copper wherein after slow cooling.Thus improve copper smelting direct yield, reduce the high Magnetic Copper oxidation quantity of slag of smelting system flow process internal recycle, reduce smelting process energy consumption, improve output.
Accompanying drawing explanation
Fig. 1 is that the utility model one step from high Magnetic Copper oxidation sludge makes the device schematic diagram of blister copper.
Embodiment
Figure 1 shows that stove schematic diagram of the present utility model.The body of heater 1 of this stove to be installed on seat ring 2 and the cylindrical furnace that can rotate vertically for level, body of heater top is provided with opening for feed 3, bottom of furnace body is provided with the air port 4 of linear arrangement, and inside, air port is provided with whirlwind sheet, and air port can be used for switching jet compression oxygen-rich air, nitrogen.The upper front end of body of heater is provided with and connects cinder notch 5, and the rear end of body of heater is provided with burner 6, and top, furnace wall is provided with blister copper discharge outlet 7, after skimming, discharge blister copper.The rotational angle of cylindrical furnace 1 is 90 ° ~ 270 °.In actual production, the cinder notch 5 that connects of body of heater can be connected with the slag notch 10 of converting furnace 9 by chute 8, the exit end of chute 8 is positioned at and connects above cinder notch 5, the inlet end of chute 8 is positioned at below the slag notch 10 of converting furnace 9, is directly sent in the body of heater 1 of stove by the high Magnetic Copper oxidation sludge that converting furnace produces.Time saving and energy saving, highly effective and safe.Feed belt 14 is provided with, for carrying flux storehouse 11, copper ore concentrates storehouse or matte storehouse 12, fine particle reduction coal bunker 13 above stove.Bottom stove, place reducing slag receive cinder ladle 15.Body of heater relies on drive unit 16 to drive and rotates.
High Magnetic Copper oxidation sludge is from the slag notch 10 of top blast stove 1, the cinder notch 4 that connects discharged into stove through chute 3 enters in body of heater 1, what stove received high Magnetic Copper oxidation sludge connects cinder notch 4 simultaneously or the fume emission mouth of stove smelting process, and flue gas is disposed to after environment protecting cigarette gas processing system through this discharge outlet and send smoke stack emission.Opening for feed 3 be copper ore concentrates or matte and reduction coal the opening for feed of flux etc. be again skimming gate.Stove burner 6 burning diesel oil, heavy oil or Sweet natural gas etc., use oxygen-enriched combustion-supporting.Copper ore concentrates storehouse or matte storehouse 12 install copper ore concentrates or matte in advance, prepare the reduction being used for oxidation sludge.Receive after high Magnetic Copper oxidation sludge until stove, in body of heater, copper ore concentrates or matte, quartz sand flux, reduction coal is dropped into by feed belt 14, after keeping body of heater air port 4 to be blown into nitrogen gas stirring molten bath for some time, high Magnetic Copper oxidation sludge in the copper ore concentrates that adds or matte and stove is fully reacted, completes high Magnetic Copper oxidation sludge mixed matte or copper ore concentrates retailoring process.
After reduction terminates, the nitrogen switching air port is oxygen enrichment pressurized air, rotates stove, and stove inclination angle can be increased, carry out converting process to the melt in stove, makes the matte Quick Oxidation in stove produce blister copper, improves blowing efficiency.When detecting that flue gas contains SO 2when concentration is reduced to below production requirement, can by air port away from molten bath, melt is under relative quiescent condition after settlement separate for some time, and vert body of heater, is skimmed in cinder ladle 15 by reducing slag through stove opening for feed 3.Reducing slag is taken off totally, blister copper in stove can be disposed to blister refining stove or step casting copper bullion through copper discharge outlet 7.
When top blast stove 1 produces fault, when there is no high magnetic blowing slag output, add matte or copper ore concentrates by feed belt 14, stove air port 4 passes into oxygen enrichment pressurized air, carries out oxidizing semlting process, when melt is a certain amount of in stove, vert kiln body, make stove air port 4 be placed in bath surface, when melt sedimentation for some time in stove, complete from opening for feed 3 process of skimming, then vert kiln body, air port still uses pressurized air, blows to matte in stove, produces blister copper.Also directly can drop into matte, in this utility model stove, carry out the smelting that matte produces blister copper.
The high-temperature fusion height Magnetic Copper oxidation sludge of top blast converting furnace, bottom convertor or flash converting furnace output is disposed in the cylindricality stove of horizontal positioned through chute by the utility model, be separated through retailoring, clarified separation, deslagging, blowing, a post-defecation, arrange copper six processes, achieve a step and produce blister copper.

Claims (4)

1. from high Magnetic Copper oxidation sludge, one step makes the stove of blister copper, it is characterized in that, the body of heater (1) of described stove is gone up and the cylindrical furnace that can rotate vertically for level is installed on seat ring (2), the top of body of heater and bottom are respectively arranged with opening for feed (3) and air port (4), the upper front end of body of heater is provided with and connects cinder notch (5), the rear end of body of heater is provided with burner (6), and top, furnace wall is provided with blister copper discharge outlet (7).
2. from high Magnetic Copper oxidation sludge, one step makes the stove of blister copper according to claim 1, it is characterized in that, the rotational angle of described cylindrical furnace (1) is 90 ° ~ 270 °.
3. according to claim 1 or 2, from high Magnetic Copper oxidation sludge, one step makes the stove of blister copper, it is characterized in that, the exit end connecing cinder notch (5) external chute (8) of body of heater, the inlet end of chute (8) is positioned at slag notch (10) below of converting furnace (9).
4. according to claim 1 or 2, from high Magnetic Copper oxidation sludge, one step makes the stove of blister copper, it is characterized in that, is provided with feed belt (14) above stove.
CN201520678779.2U 2015-09-02 2015-09-02 One step of stove of making thick copper in high magnetism copper oxidizing slag of follow Expired - Fee Related CN204982010U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520678779.2U CN204982010U (en) 2015-09-02 2015-09-02 One step of stove of making thick copper in high magnetism copper oxidizing slag of follow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520678779.2U CN204982010U (en) 2015-09-02 2015-09-02 One step of stove of making thick copper in high magnetism copper oxidizing slag of follow

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CN204982010U true CN204982010U (en) 2016-01-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106381403A (en) * 2016-09-29 2017-02-08 大冶有色金生铜业有限公司 Combined smelting method for crude copper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106381403A (en) * 2016-09-29 2017-02-08 大冶有色金生铜业有限公司 Combined smelting method for crude copper

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160120

Termination date: 20170902

CF01 Termination of patent right due to non-payment of annual fee