CN102181661A - Copper smelting device and process - Google Patents

Copper smelting device and process Download PDF

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Publication number
CN102181661A
CN102181661A CN201110094601XA CN201110094601A CN102181661A CN 102181661 A CN102181661 A CN 102181661A CN 201110094601X A CN201110094601X A CN 201110094601XA CN 201110094601 A CN201110094601 A CN 201110094601A CN 102181661 A CN102181661 A CN 102181661A
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copper
smelting
oxygen
slag
spray gun
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CN201110094601XA
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Chinese (zh)
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崔志祥
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东营鲁方金属材料有限公司
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Publication of CN102181661A publication Critical patent/CN102181661A/en

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Abstract

The invention provides a copper smelting device and a copper smelting process. In the device, a shell of a rotary horizontal type cylindrical furnace body is made of a steel plate; an inner liner is made of a refractory material; the furnace body passes through two supporting rings and is supported on a foundation through four supporting rollers; one side of the furnace body is provided with a transmission mechanism; a motor is used for driving a speed reducer to drive the furnace body to rotate along a central shaft through a gear and a gear ring on a cylinder; the furnace body is partitioned into a smelting area, a blowing area and a refining area by a refractory brick retaining wall; a gap is formed at the bottom of the retaining wall; the bottoms of all areas are provided with a spray gun respectively; a charging hole is formed above the smelting area; a flue hole and a fluxing agent hole are formed above the blowing area; a main burner nozzle and an auxiliary burner nozzle are arranged on the shell of the furnace body end close to the two sides of the smelting area and the refining area respectively; and a slagging hole and a copper discharging hole are formed on the shell of the furnace body end on one side of the auxiliary burner nozzle. The device has a simple structure, a reasonable design and extremely good popularization value and application value and is energy-saving and environment-friendly.

Description

A kind of copper metallurgy device and technology

Affiliated technical field

The invention belongs to the nonferrous metallurgy field, relate to a kind of a kind of copper metallurgy device and the technology that can handle multi-metal complex ore deposit and precious metal associated minerals.

Background technology

At present, the pyrometallurgical smelting of copper is used for industrial existing with regard to melting technology: the melting of flash stove, Rouyn-Noranda melting, Ao Simaite melting, the melting of Chinese mugwort Sa, the melting of silver method, bottom-blown smelting and traditional blast furnace smelting, electrosmelting, reverberatory smelting etc.Above-mentioned melting method except that back three kinds of traditional method environmental protection be difficult to up to standard, other all are the comparatively advanced melting technologies that the world today adopts.With regard to the blowing of copper, the world today is last all to be to adopt the PS converter more than 90%.With regard to the refining of copper, great majority adopt rotary kiln refining, reverberatory refining and tilting furnace refining.These smelting processes all are separately to carry out in different stoves, and the utilization ratio of sulphur is low, and thermosteresis is many.Particularly the copper matte regulus of blowing, melting output need wrap in the workshop with copper matte regulus and have bad luck, cause the low latitude loss of SO2 flue gas, add the reinforced and converting process of converter, flue gas is difficult to seal fully, also have loss phenomenon in various degree, it is very poor to make PS bessemerize the operating environment of operation.

Have two kinds to be used for industrial continuous converting technology now, a kind of is the Mitsubishi process of Japan research and development, adopts the melting of top blast stove, electric furnace sedimentation copper matte regulus, and slag carried out dilution, continuously copper matte regulus is blown to blister copper with the top blast stove again.Three stoves connect with two chutes, have realized continual copper smelting.Another kind is the copper metallurgy technology of Utah,U.S.A Kennecott smeltery, adopts that the melting of flash stove, slag ore dressing, copper matte regulus water are broken, dry, ore grinding blows into blister copper with the flash stove again.Above-mentioned two kinds of continual copper smelting technologies though solved the environmental issue of blowing operation, also all have weak point, require further improvement raising.

Summary of the invention

The present invention is directed to the defective and the deficiency of above smelting process, a kind of a kind of copper metallurgy device and the technology that can finish melting, blowing and three processes of refining in a stove simultaneously is provided, not only can solve the low vacancy pollution problem of SO2, operating environment is improved greatly, and the utilization ratio of sulphur and heat energy significantly improves, further improved economic benefit, more advanced than existing continual copper smelting technology simultaneously, flow process is shorter, investment more economizes, cost is lower, comprehensive energy consumption is lower, the rate of recovery is higher, comprehensive utilization is better.

Technical scheme provided by the present invention has:

A kind of copper metallurgy device and technology, apparatus structure is a steel plate for turning round the horizontal cylindrical furnace body case, liner is a refractory materials, body of heater by two backing rings by four idler stands on the basis, wherein a side is furnished with transmission rig, and the driven by motor step-down gear drives body of heater by the gear ring on gear and the cylinder and rotates along central shaft; Separated by the refractory brick barricade in the stove, be divided into smelting zone, blowing district and fining cell, the space is arranged at the barricade bottom; Each bottom, district is installed spray gun respectively; Charging opening is located at the top, smelting zone; Floss hole and flux mouth are located at top, blowing district; Main burner, auxilliary burner are located at respectively on the body of heater end housing of close smelting zone and fining cell both sides; Slag notch and putting on the body of heater end housing that the copper mouth is located at auxilliary burner one side.

Spray gun is that layout is opened in two misarrangements, keeps at a certain distance away, and the smelting zone spray gun becomes 0 °-22 ° with vertical line, and blowing district spray gun becomes 30 °-45 ° ,-70 ° at 45 of fining cell spray gun and vertical line with vertical line; Near the bottom, blowing district of barricade between smelting zone barricade section, blowing district and the fining cell, put copper mouth Duan Bushe spray gun.

Technical scheme provided by the present invention also comprises: a kind of copper metallurgy device and technology, and its technology concrete steps are:

1) with complex multi-metal ore deposit and solvent and after returning mixing of materials such as dirt, charging opening by top, smelting zone joins in the stove, spray gun by being located at furnace bottom from bottom to top, inject the oxygen-rich air of 70%-80% to melt at a high speed, the smelting zone temperature is 1180-1250 ℃, through the thorough mixing contact, moment vigorous oxidation reaction takes place, discharge the high energy heat, carry out pyritic smelting, generate copper matte regulus and smelting slag, copper matte regulus contains more than the Cu70%;

2) copper matte regulus of Sheng Chenging flow into the blowing district from space, barricade bottom, the oxygen-rich air of sending into 20%-40% by the spray gun that is located at the bottom, smelting zone blows, copper matte regulus is blown into blister copper and slag, blowing district temperature is controlled at 1200-1300 ℃, when sending the oxygen blowing, add quartzite from the flux mouth that is located at top, blowing district continuously by the slag making required amount, make the iron white residue;

3) blister copper of Sheng Chenging flow into fining cell from space, barricade bottom, successively send into the gas that air and Sweet natural gas or oil liquefied gas have reductibility respectively and carry out refining by being located at fining cell bottom spray gun, the fining cell temperature becomes the higher anode copper of purity at 1150-1350 ℃ with blister refining;

4) the higher copper water of the purity of above-mentioned fining cell generation is emitted from putting copper mouth interruption, delivers to the anode casting machine by chute, casts copper anode plate and sends to electrorefining; The slag of three district's generations is emitted by the slag notch overflow continuously from the barricade top area, sends to the ore dressing of slag dressing-works after slow cooling, and the slag copper ore concentrates of selecting returns and continues in the stove to smelt, and mine tailing can fully utilize by making cement factory raw material, realizes no waste sludge discharge; The high-temperature flue gas that contains SO2 of three district's generations arrives the waste heat boiler cooling through floss hole and gathers dust, and the output saturation steam carries out cogeneration, and the flue gas after the cooling send cleaning and desulfurization relieving haperacidity through high-temperature blower again.

The temperature of smelting zone can recently realize by regulating oxygen-rich concentration, oxygen material ratio or batching; Blowing district's temperature can be by regulating oxygen-rich air the concentration or the unit time oxygen-supplying amount of oxygen realize; The temperature of fining cell can be regulated by the intensity of combustion of burner fuel.

The present invention compares with prior art, its positively effect that reaches mainly contain following some:

(1) the present invention has realized pyritic smelting fully.This technology is carried out the three phases of smelting process in same stove, saved copper matte regulus and blister copper the having bad luck of workshop, and calorific loss significantly reduces; Bottom convertor is one to seal tight container, and air leak rate of air curtain is low, and the oxygen-rich concentration height has reached about 75% simultaneously, can improve the intensity of melting greatly and reduce exhaust gas volumn, and the less calories that gas is taken away, thus reduce thermosteresis; Bottom convertor is simple in structure, furnace water jacket is few and columnar structuredly can reduce heat leakage.Therefore this bottom convertor can not add any fuel, realizes pyritic smelting fully.

(2) the present invention is wide to the adaptability to raw material scope, can not only extract concentrate such as copper, gold and silver, and to low-grade, unmanageable polymetallic ore and contain the high precious metal associated minerals of gold and silver and can both handle, realize the comprehensive utilization of resource.

(3) combustion intensity is big, the oxygen utilization rate height, and it is strong to handle the mineral aggregate ability.Oxygen is sprayed from the bottom by the oxygen rifle and enters stove, and it is fast to inject speed, can effectively guarantee in the stove fully vigorous reaction, and reaction zone mixes, irrotational flow, no dead angle, can form good heat transfer and mass transfer condition, and the utilization ratio of oxygen reaches 100%.

(4) the present invention is difficult for producing foamy slag, operational safety, and energy consumption is low, and the slag cupric is low.Because being bottom blowing, the present invention smelts, oxygen directly acts on copper matte regulus, blister copper and anode copper, therefore the oxygen gesture of slag making reaction is lower, be difficult for generating Fe3O4, so slag can adopt high iron silicon ratio slag type (Mitsubishi process slag Fe/SiO21.1-1.3, the flash stove slag of prior art are 1.48-1.65, and the present invention is 1.6-2.2), thereby the quartzy flux amount that adds is less, the slag rate is low, and the inventory of slag ore dressing reduces, the also corresponding decline of energy consumption.It is few to contain Fe3O4 in the slag simultaneously, and the viscosity of slag is lower, can reduce the content of copper in the slag.

(5) copper metallurgy cost of the present invention is low, helps relieving haperacidity.The periodic job that the present invention does not bessemerize, furnace temperature is stable, and converter life is long, has reduced the consumption and the maintenance load of refractory materials, thereby reduces the copper metallurgy cost.Simultaneously, body of heater need not often rotate, and exhaust gas volumn and smoke components (SO2 content) are stable, help relieving haperacidity, reduces the relieving haperacidity cost.

(6) the present invention is strong to the precious metal trapping ability, many metals comprehensive recovery height.Very strong at the smelting zone sulfonium to the dissolving power of precious metal, down moving in the high speed oxygen gas mixing of bottom convertor bottom, sulfonium constantly washes concentrate and slag repeatedly, precious metal there is a process that repeatedly captures, thereby make precious metal more be dissolved in the sulphur, finish and make sulfonium and catch golden process, compare with other technologies and have the higher precious metal rate of recovery.Simultaneously, this technology oxygen is when furnace bottom sprays into the smelting zone, the sulfonium temperature is higher, the oxygen gesture is higher, the lead, mercury, arsenic, antimony, bismuth etc. that help in the concentrate obtain fully to be enriched in the flue dust after the volatilization in the bottom-blown smelting process, again through wet processing, but the valuable element in the efficient recovery multi-metal complex ore deposit enlarges utilization of resources scope.

(7) good operational environment, the economic benefit height, labour intensity is low.Three smelting processes of this invention carry out in same stove, have saved that copper matte regulus bag, blister copper wrap in having bad luck of workshop and have disclosed eye of wind operation when blowing, and have saved great amount of manpower and material resources, have improved economic benefit, and labour intensity reduces greatly.Avoided the low latitude loss of SO2 flue gas simultaneously, operating environment is good.

(8) reduced investment.Three processes of smelting realize that in same stove simple in structure, technical process is shortened greatly, and auxiliary facility is few.Furnace charge preparation simultaneously is simple, does not need preprocessor such as depth drying, pulverizing, granulation, easy operation.Bottom blowing does not need very high factory building and expensive import equipment and technology transfer fee, so construction investment is low.

Therefore the present invention is simple in structure, reasonable in design, and energy-conserving and environment-protective have good value for applications.

Description of drawings

Fig. 1 is an apparatus structure synoptic diagram of the present invention.

Fig. 2 is a process flow diagram of the present invention.

Among the figure: body of heater 1, charging opening 2, floss hole 3, auxilliary burner 4, main burner 5, slag notch 6 is put copper mouth 7, barricade 8, spray gun 9, flux mouth 10.

Embodiment

Describe apparatus structure of the present invention in detail below in conjunction with accompanying drawing 1.A kind of copper metallurgy device and technology, apparatus structure is a steel plate for turning round horizontal cylindrical furnace body 1 shell, liner is a refractory materials, body of heater 1 by two backing rings by four idler stands on the basis, wherein a side is furnished with transmission rig, and the driven by motor step-down gear drives body of heater 1 by the gear ring on gear and the cylinder and rotates along central shaft; Separated by refractory brick barricade 8 in the stove, be divided into smelting zone A, blowing district B and fining cell C, the space is arranged at barricade 8 bottoms; Each bottom, district is installed spray gun 9 respectively; Charging opening 2 is located at smelting zone A top; Floss hole 3 and flux mouth 10 are located at B top, blowing district; Main burner 5, auxilliary burner 4 are located at respectively on body of heater 1 end housing of close smelting zone A and fining cell C both sides; Slag notch 6 and putting on body of heater 1 end housing that copper mouth 7 is located at auxilliary burner 4 one sides.

Spray gun 9 is that layout is opened in two misarrangements, keeps at a certain distance away, and smelting zone A spray gun 9 becomes 0-22 ° with vertical line, and blowing district B spray gun 9 becomes 30-45 ° with vertical line, and fining cell C spray gun 9 becomes 45-70 ° with vertical line; Near the B bottom, blowing district of barricade 8 between 8 sections of smelting zone A barricades, blowing district B and the fining cell C, put the copper mouth and do not establish spray gun 9 for 7 sections.

Describe technology of the present invention in detail below in conjunction with accompanying drawing 2.

A kind of copper metallurgy device and technology, its technology concrete steps are:

1) with complex multi-metal ore deposit and flux and after returning mixing of materials such as dirt, charging opening 2 by A top, smelting zone joins in the stove, spray gun 9 by being located at furnace bottom from bottom to top, inject the oxygen-rich air of 65%-78% to melt at a high speed, smelting zone A temperature is 1180-1250 ℃, through the thorough mixing contact, moment vigorous oxidation reaction takes place, discharge the high energy heat, carry out pyritic smelting, generate copper matte regulus and smelting slag, copper matte regulus contains more than the Cu70%;

2) copper matte regulus of Sheng Chenging flow into blowing district B from space, barricade 8 bottom, the oxygen-rich air of sending into 20%-40% by the spray gun 9 that is located at smelting zone B bottom blows, copper matte regulus is blown into blister copper and slag, blowing district B temperature is controlled at 1200-1300 ℃, when sending the oxygen blowing, add quartzite from the flux mouth 10 that is located at B top, blowing district continuously by the slag making required amount, make the iron white residue;

3) blister copper of Sheng Chenging flow into fining cell C from space, barricade 8 bottom, successively send into the gas that the oxygen-rich air of 20%-30% and Sweet natural gas or oil liquefied gas have reductibility respectively by being located at fining cell C bottom spray gun 9, carry out refining, fining cell C temperature becomes the higher anode copper of purity at 1150-1350 ℃ with blister refining;

4) the higher copper water of the purity of above-mentioned fining cell C generation is emitted from putting copper mouth 7 interruptions, delivers to the anode casting machine by chute, casts copper anode plate and sends to electrorefining; The slag of three district's generations is emitted by slag notch 6 overflows continuously from barricade 8 top area, sends to the ore dressing of slag dressing-works after slow cooling, and the slag copper ore concentrates of selecting returns and continues in the stove to smelt, and mine tailing can fully utilize by making cement factory raw material, realizes no waste sludge discharge; The high-temperature flue gas that contains SO2 of three district's generations arrives the waste heat boilers cooling through floss hole 3 and gathers dust, and the output saturation steam carries out cogeneration, and the flue gas after the cooling send cleaning and desulfurization relieving haperacidity through high-temperature blower again.

The temperature of smelting zone A can recently realize by regulating oxygen-rich concentration, oxygen material ratio or batching; Blowing district B temperature can be by regulating oxygen-rich air the concentration or the unit time oxygen-supplying amount of oxygen realize; The temperature of fining cell C can be regulated by the intensity of combustion of burner fuel.

Embodiment: will be divided into three districts in the stove with barricade in the stove, i.e. B, fining cell C are distinguished in smelting zone A, blowing, and three section length are respectively: 15m, 8m, 8m, stove internal diameter are 4.8m.Install respectively in the bottom of smelting zone A two misarrangements open layout, at interval 1.1m, become 9 spray guns 9 at 17 ° and 22 ° angles with vertical line; 5 spray guns 9 that two misarrangements are opened layouts, interval 1.1m, become 35 ° and 40 ° angles with vertical line are installed respectively in the bottom of blowing district B; Two misarrangements are installed respectively in the bottom of fining cell C drive layout, 5 spray guns 9 at 1.1m, and 50 ° angles at 45 at interval with vertical line.

With the mixed copper concentrate with flux and after returning dirt and mixing, charging opening 2 by A top, smelting zone joins in the stove, the spray gun 9 of 75% oxygen-rich air by being located at furnace bottom from bottom to top, intersect and inject in the melt at a high speed, the vigorous oxidation reaction of moment takes place in the thorough mixing contact process, discharge the high energy heat, carry out pyritic smelting, the generation grade is 72% copper matte regulus and smelting slag.Alleviate follow-up copper matte regulus blowing working load, also can reduce the blowing slag, the copper matte regulus grade can recently realize by control oxygen material.No longer send oxygen to stir at smelting zone A near 8 sections of barricades, can make copper matte regulus that certain settling time is arranged like this, be easy to copper matte regulus and separate, reduce the slag cupric with slag; Smelting zone B temperature is 1200 ℃.

The copper matte regulus that generates flow into blowing district B from barricade 8 bottoms, send into 30% oxygen-rich air by the spray gun 9 that is located at the bottom and blow, and copper matte regulus is blown into blister copper and slag.When sending the oxygen blowing, add quartzite from the flux mouth 10 that is located at B top, blowing district continuously by the slag making required amount, make the iron white residue.Bottom blowing blowing is to carry out under the situation of blister copper, copper matte regulus, slag three-phase coexistence, and oxygen is introduced into the blister copper layer, and blister copper oxygen gesture is the highest, is mixed in elements such as sulphur in the blister copper, arsenic, antimony, bismuth oxidized removing earlier, obtains the higher blister copper of quality.Then oxygen as carrier, generates Cu, SO2 with Cu2S, CuS reaction in Cu2O, CuO form and the copper matte regulus by blister copper, FeS reaction generation FeO, SO2 and Cu in part and the copper matte regulus.Temperature can be by regulating oxygen-rich air the concentration or the unit time oxygen-supplying amount of oxygen realize.No longer establish spray gun 9 near the B bottom, blowing district of barricade 8 between blowing district B and the fining cell C and send oxygen to stir, the blister copper that slag and copper matte regulus layer are mingled with has certain sedimentation time to separate from slag and copper matte regulus, and enters the blister copper layer, reaches and reduces the copper bearing purpose of slag; Blowing district B temperature is 1220 ℃.

The blister copper that generates flow into fining cell C from barricade 8 bottoms, and at oxidation stage, the spray gun 9 that is located at fining cell C bottom is sent into 25% oxygen-rich air and carried out oxidation, and at reduction phase, bottom spray gun 9 is sent into Sweet natural gas and reduced as reductive agent.Simultaneously from auxilliary burner 4 oil spout heat tracings, fining cell C temperature is 1200 ℃ at purified.Bottom blowing refining is to carry out under the situation of blister copper, anode copper and slag three-phase coexistence, at first at oxidation stage, bottom spray gun 9 feeds oxygen-rich air, oxygen is introduced into anode copper, anode copper oxygen gesture is the highest, the oxidized generation of copper Cu2O, and then oxygen is carrier by anode copper, with the reaction of the impurity in Cu2O form and the blister copper, oxidized impurity formation oxide compound enters slag and is removed mutually.At reduction phase, feed Sweet natural gas and make reductive agent and will be dissolved in the copper oxygen and remove.Temperature can be regulated by the content of oxygen in the adjusting oxygen-rich air and from auxilliary burner 4 oil spouts.No longer establish spray gun 9 for 7 sections near putting the copper mouth, can make anode copper have certain settling time from blister copper and slag, to separate, and enter the anode copper layer, thereby reduce the slag cupric.

Claims (4)

1. copper metallurgy device and technology, it is characterized in that apparatus structure is: can turn round the horizontal cylindrical furnace body case is steel plate, liner is a refractory materials, body of heater by two backing rings by four idler stands on the basis, wherein a side is furnished with transmission rig, and the driven by motor step-down gear drives body of heater by the gear ring on gear and the cylinder and rotates along central shaft; Separated by the refractory brick barricade in the stove, be divided into smelting zone, blowing district and fining cell, the space is arranged at the barricade bottom; Each bottom, district is installed spray gun respectively; Charging opening is located at the top, smelting zone; Floss hole and flux mouth are located at top, blowing district; Main burner, auxilliary burner are located at respectively on the body of heater end housing of close smelting zone and fining cell both sides; Slag notch and putting on the body of heater end housing that the copper mouth is located at auxilliary burner one side.
2. a kind of copper metallurgy device according to claim 1 and technology is characterized in that in the copper metallurgy device, and spray gun is that layout is opened in two misarrangements, keep at a certain distance away, the smelting zone spray gun becomes 0 °-22 ° with vertical line, blowing district spray gun becomes 30 °-45 ° ,-70 ° at 45 of fining cell spray gun and vertical line with vertical line; Near the bottom, blowing district of barricade between smelting zone barricade section, blowing district and the fining cell, put copper mouth Duan Bushe spray gun.
3. a kind of copper metallurgy device according to claim 1 and technology is characterized in that the technology concrete steps are:
1) with complex multi-metal ore deposit and flux and after returning mixing of materials such as dirt, charging opening by top, smelting zone joins in the stove, spray gun by being located at furnace bottom from bottom to top, inject the oxygen-rich air of 70%-80% to melt at a high speed, the smelting zone temperature is 1180-1250 ℃, through the thorough mixing contact, moment vigorous oxidation reaction takes place, discharge the high energy heat, carry out pyritic smelting, generate copper matte regulus and smelting slag, copper matte regulus contains more than the Cu70%;
2) copper matte regulus of Sheng Chenging flow into the blowing district from space, barricade bottom, the oxygen-rich air of sending into 20%-40% by the spray gun that is located at the bottom, smelting zone blows, copper matte regulus is blown into blister copper and slag, blowing district temperature is controlled at 1200-1300 ℃, when sending the oxygen blowing, add quartzite from the flux mouth that is located at top, blowing district continuously by the slag making required amount, make the iron white residue;
3) blister copper of Sheng Chenging flow into fining cell from space, barricade bottom, successively send into the gas that air and Sweet natural gas or oil liquefied gas have reductibility respectively by being located at fining cell bottom spray gun, carry out refining, the fining cell temperature becomes the higher anode copper of purity at 1150-1350 ℃ with blister refining;
4) the higher copper water of the purity of above-mentioned fining cell generation is emitted from putting copper mouth interruption, delivers to the anode casting machine by chute, casts copper anode plate and sends to electrorefining; Respectively the mixer slag of district's generation is emitted by the slag notch overflow continuously from the barricade top area, sends to the ore dressing of slag dressing-works after slow cooling, and the slag copper ore concentrates of selecting returns and continues in the stove to smelt, and mine tailing can fully utilize by making cement factory raw material, realizes no waste sludge discharge; By the cooling dedusting of gathering dust of waste heat boiler and electricity, the output saturation steam carries out cogeneration to the high-temperature flue gas that contains SO2 that three districts produce through floss hole, and the flue gas after the cooling send cleaning and desulfurization relieving haperacidity through high-temperature blower again.
4. a kind of copper metallurgy device according to claim 3 and technology is characterized in that in the copper metallurgy technology: the temperature of smelting zone can recently realize by regulating oxygen-rich concentration, oxygen material ratio or batching; Blowing district's temperature can be by regulating oxygen-rich air the concentration or the unit time oxygen-supplying amount of oxygen realize; The temperature of fining cell can be regulated by the intensity of combustion of burner fuel.
CN201110094601XA 2011-04-15 2011-04-15 Copper smelting device and process CN102181661A (en)

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Cited By (18)

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CN102703734A (en) * 2012-06-18 2012-10-03 中国恩菲工程技术有限公司 Top-blown smelting equipment
CN102828043A (en) * 2012-09-07 2012-12-19 白银有色集团股份有限公司 Autogenous smelting method of low-grade copper concentrate
CN102901344A (en) * 2012-10-18 2013-01-30 铜陵有色金属集团股份有限公司金冠铜业分公司 Horizontal type immersion top blowing furnace used for smelting low-grade scrap copper
CN103382528A (en) * 2013-07-12 2013-11-06 东营方圆有色金属有限公司 Two-step copper smelting process and equipment
CN103468955A (en) * 2013-08-20 2013-12-25 东营方圆有色金属有限公司 New scrap copper smelting technology
CN103643051A (en) * 2013-12-30 2014-03-19 河南豫光金铅股份有限公司 Process and device for treating copper-lead smelting mixed slag through bottom-blowing bath smelting technology
CN103952571A (en) * 2014-04-18 2014-07-30 东营鲁方金属材料有限公司 One-step copper smelting technology and device thereof
CN105002369A (en) * 2015-07-15 2015-10-28 铜陵有色金属集团股份有限公司金冠铜业分公司 Copper smelting furnace
CN105087950A (en) * 2015-09-02 2015-11-25 云南锡业股份有限公司铜业分公司 Method for preparing crude copper by one step from high magnetic copper oxide slag and kiln for preparing crude copper
CN106086294A (en) * 2016-08-31 2016-11-09 张昌剑 Swinging oxygen side blown converter double-furnace-body double smelting device
CN107287442A (en) * 2017-05-23 2017-10-24 西北矿冶研究院 A kind of continuous copper smelting apparatus and copper smelting method
CN107687024A (en) * 2017-08-24 2018-02-13 武陟吉铨特种金属材料有限公司 A kind of single crystal Cu reduction 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
CN107794378A (en) * 2016-08-31 2018-03-13 中国电子工程设计院 Utilize the method and system of cupric discarded object and Copper Ores joint metal smelting copper
CN108315566A (en) * 2018-01-16 2018-07-24 张家港市佰坤物资有限公司 A kind of refined copper production technology
CN108425021A (en) * 2018-04-08 2018-08-21 中国恩菲工程技术有限公司 A kind of blister copper pyrogenic process continuous refining process
CN108624764A (en) * 2018-05-14 2018-10-09 山东方泰循环金业股份有限公司 A kind of continuous oxygen-enriched air converting technique of matte
WO2018228073A1 (en) * 2017-06-14 2018-12-20 中国恩菲工程技术有限公司 Anode copper production method and device

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CN102703734A (en) * 2012-06-18 2012-10-03 中国恩菲工程技术有限公司 Top-blown smelting equipment
CN102828043A (en) * 2012-09-07 2012-12-19 白银有色集团股份有限公司 Autogenous smelting method of low-grade copper concentrate
CN102828043B (en) * 2012-09-07 2014-01-15 白银有色集团股份有限公司 Autogenous smelting method of low-grade copper concentrate
CN102901344A (en) * 2012-10-18 2013-01-30 铜陵有色金属集团股份有限公司金冠铜业分公司 Horizontal type immersion top blowing furnace used for smelting low-grade scrap copper
CN102901344B (en) * 2012-10-18 2015-12-09 铜陵有色金属集团股份有限公司金冠铜业分公司 For smelting the horizontal submergence top blast stove of low-grade copper scap
CN103382528A (en) * 2013-07-12 2013-11-06 东营方圆有色金属有限公司 Two-step copper smelting process and equipment
CN103468955A (en) * 2013-08-20 2013-12-25 东营方圆有色金属有限公司 New scrap copper smelting technology
CN103468955B (en) * 2013-08-20 2016-09-07 东营方圆有色金属有限公司 A kind of copper scap smelting process
CN103643051A (en) * 2013-12-30 2014-03-19 河南豫光金铅股份有限公司 Process and device for treating copper-lead smelting mixed slag through bottom-blowing bath smelting technology
CN103952571B (en) * 2014-04-18 2015-08-12 东营鲁方金属材料有限公司 One step copper metallurgy technique and device thereof
CN103952571A (en) * 2014-04-18 2014-07-30 东营鲁方金属材料有限公司 One-step copper smelting technology and device thereof
CN105002369A (en) * 2015-07-15 2015-10-28 铜陵有色金属集团股份有限公司金冠铜业分公司 Copper smelting furnace
CN105087950A (en) * 2015-09-02 2015-11-25 云南锡业股份有限公司铜业分公司 Method for preparing crude copper by one step from high magnetic copper oxide slag and kiln for preparing crude copper
CN105087950B (en) * 2015-09-02 2016-07-20 云南锡业股份有限公司铜业分公司 From high Magnetic Copper oxidizing slag, one step is made the method for blister copper and makes the stove of blister copper
CN106086294A (en) * 2016-08-31 2016-11-09 张昌剑 Swinging oxygen side blown converter double-furnace-body double smelting device
CN107794378A (en) * 2016-08-31 2018-03-13 中国电子工程设计院 Utilize the method and system of cupric discarded object and Copper Ores joint metal smelting copper
CN107287442A (en) * 2017-05-23 2017-10-24 西北矿冶研究院 A kind of continuous copper smelting apparatus and copper smelting method
WO2018228073A1 (en) * 2017-06-14 2018-12-20 中国恩菲工程技术有限公司 Anode copper production method and device
WO2018228075A1 (en) * 2017-06-14 2018-12-20 中国恩菲工程技术有限公司 Method and system for short-process copper smelting
CN107687024A (en) * 2017-08-24 2018-02-13 武陟吉铨特种金属材料有限公司 A kind of single crystal Cu reduction 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
CN108315566A (en) * 2018-01-16 2018-07-24 张家港市佰坤物资有限公司 A kind of refined copper production technology
CN108425021A (en) * 2018-04-08 2018-08-21 中国恩菲工程技术有限公司 A kind of blister copper pyrogenic process continuous refining process
CN108624764A (en) * 2018-05-14 2018-10-09 山东方泰循环金业股份有限公司 A kind of continuous oxygen-enriched air converting technique of matte

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