CN103014371B - Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace - Google Patents
Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace Download PDFInfo
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- CN103014371B CN103014371B CN201210568627.8A CN201210568627A CN103014371B CN 103014371 B CN103014371 B CN 103014371B CN 201210568627 A CN201210568627 A CN 201210568627A CN 103014371 B CN103014371 B CN 103014371B
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- bottom blowing
- copper matte
- matte regulus
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/006—Pyrometallurgy working up of molten copper, e.g. refining
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
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Abstract
The invention discloses a copper matte bottom blowing converting process and a copper matte bottom blowing converting furnace. The copper matte bottom blowing converting process comprises the following steps: adding copper matte and a non-alkaline flux into the copper matte bottom blowing converting furnace, blowing oxygen-containing gas continuously into melt in the copper matte bottom blowing converting furnace from the bottom of the copper matte bottom blowing converting furnace with a bottom blowing spraying gun, and discharging blister copper and converting residues from the copper matte bottom blowing converting furnace. According to the copper matte bottom blowing converting process and the copper matte bottom blowing converting furnace, continuous converting of the copper matte can be realized, less fume is produced, the concentration of SO2 is stable, the environment is well protected, the efficiency is high, and the blister copper and sulfuric acid are low in production cost.
Description
Technical field
The present invention relates to technical field of non-ferrous metallurgy, especially relate to copper matte regulus bottom blowing blowing technology and copper matte regulus bottom blowing converting furnace.
Background technology
The metallurgical method of copper is divided into pyrogenic process and wet method, the technical process of copper smelting by pyrometallurgy is mainly to obtain copper ore concentrates after copper sulfide concentrate flotation, then in electric furnace, Flash Smelting Furnace and other smelting furnaces, carry out melting and obtain copper matte regulus, copper matte regulus obtains blister copper through blowing, blister copper pyrorefining obtains anode copper, then carries out electrorefining and obtains electrolytic copper.At present, the blowing of copper matte regulus adopts PS converter conventionally, and liquid copper matte regulus joins in PS converter, from the oxygen blast of PS converter sidepiece, obtains blister copper and blowing slag.After the copper matte regulus of a batch has blown, discharge blister copper and blowing slag, then add the copper matte regulus of next batch to blow.PS converter installation low vacancy pollution is serious, can only be interrupted operation, and efficiency is low, and flue gas is unstable, and flue gas is containing SO
2concentration is low, and flue gas processing cost is high, and PS converter operating rate is low, and the stove life-span is short.
Summary of the invention
The present invention one of is intended to solve the problems of the technologies described above at least to a certain extent or at least provides a kind of useful business to select.
For this reason, one object of the present invention is to propose a kind of copper matte regulus bottom blowing blowing technology, utilizes this copper matte regulus bottom blowing blowing technology, can realize the continuous converting of copper matte regulus, and the exhaust gas volumn of generation is few, compares flue gas containing SO with PS converter
2concentration is higher and stable, good operational environment, and environmental protection is good, and efficiency is high, and blister copper and gas washing in SA production cost are low.
Another object of the present invention is to propose a kind of copper matte regulus bottom blowing converting furnace that can realize above-mentioned technique.
To achieve these goals, according to the embodiment of first aspect present invention, propose a kind of copper matte regulus bottom blowing blowing technology, described copper matte regulus bottom blowing blowing technology comprises the following steps: copper matte regulus and flux are joined in copper matte regulus bottom blowing converting furnace; Utilize in the melt of Bottom Blowing Ejection Gun in from the bottom of described copper matte regulus bottom blowing converting furnace to described copper matte regulus bottom blowing converting furnace and be blown into continuously oxygen-containing gas; With in described copper matte regulus bottom blowing converting furnace, discharge respectively blister copper and blowing slag.
According to the copper matte regulus bottom blowing blowing technology of the embodiment of the present invention, by utilizing in the melt of Bottom Blowing Ejection Gun in from the bottom of described copper matte regulus bottom blowing converting furnace to copper matte regulus bottom blowing converting furnace, be blown into continuously oxygen-containing gas, can realize continuous converting, raise the efficiency, reduce costs, and exhaust gas volumn is few, flue gas concentration is stable, flue gas is overflowed few, and good environmental protection, has reduced pollution.
According to one embodiment of present invention, described oxygen-containing gas is continuously blown in the blister copper layer of described melt.
In described copper matte regulus bottom blowing converting furnace, blister copper layer C1 is positioned at copper matte regulus layer C2 below, and by oxygen-containing gas being blown into continuously to blister copper layer C1, described Bottom Blowing Ejection Gun is without passing blister copper layer C1, the life-span that can improve so described Bottom Blowing Ejection Gun.In other words, by be blown into continuously oxygen-containing gas in blister copper layer C1, can make described Bottom Blowing Ejection Gun for example, without stretching into too many (length that described Bottom Blowing Ejection Gun stretches in described body of heater can be less than 50 millimeters) in described body of heater, reduced the loss of described Bottom Blowing Ejection Gun, extend the work-ing life of described copper matte regulus bottom blowing converting furnace, reduce the running cost of described copper matte regulus bottom blowing converting furnace.In addition, the amount that oxygen-containing gas enters slag blanket reduces, and avoids because copper matte regulus layer C2 is thinner, the oxygen-containing gas of described Bottom Blowing Ejection Gun ejection is easy to enter slag blanket through copper matte regulus layer C2, thereby cause oxygen-containing gas waste, can reduce the consumption of oxygen-containing gas, further reduce costs.
And, by be blown into continuously oxygen-containing gas in blister copper layer, can make the oxygen gesture in blister copper layer the highest, and first impurity element (S, As, Sb, Bi, the Pb etc.) oxidation being mixed in blister copper layer be removed, thereby obtain the higher blister copper of quality.Oxygen-containing gas can also be using blister copper as carrier, with Cu
2cu in O, CuO form and copper matte regulus layer C2
2s, CuS reaction generates Cu and SO
2, and react generation FeO, SO with the FeS in copper matte regulus layer
2and Cu.Described copper matte regulus bottom blowing blowing technology can reduce Fe
3o
4growing amount, prevent Fe
3o
4the generation of precipitation and foamy slag.Due to the Fe in blowing slag
3o
4content is low, and the viscosity of blowing slag is just low, and then can reduce Cu in blowing slag
2the inclusion content of O (for example, the copper content of blowing slag can be less than 14%, is even less than 10%).By be blown into continuously oxygen-containing gas in described blister copper layer, increase the oxygen-containing gas reaction times, improved oxygen-containing gas utilization ratio, improved blister copper quality.In addition, by be blown into continuously oxygen-containing gas in blister copper layer, the total amount of gas can be reduced to be blown in the unit time, thereby the risk of spray stove can be reduced.
By be blown into continuously oxygen-containing gas in described blister copper layer, can make furnace temperature stable, overcome the excessive shortcoming of converter discontinuous running temperature fluctuation, be conducive to increase substantially the work-ing life of described copper matte regulus bottom blowing converting furnace, reduce refractory consumption rate and maintenance load, thereby reduced copper metallurgy cost.And described copper matte regulus bottom blowing blowing technology can make the SO in exhaust gas volumn and flue gas
2stable content is balanced, and body of heater does not need frequent rotation, thereby air leak rate of air curtain is declined to a great extent, and has overcome converter discontinuous running exhaust gas volumn and the smoke components large shortcoming that fluctuates, and is conducive to relieving haperacidity, reduces the investment of Liao Suan factory and running cost.
According to one embodiment of present invention, described oxygen-containing gas is continuously blown in the copper matte regulus layer of described melt.By be blown into continuously oxygen-containing gas in described copper matte regulus layer, can reduce the tilt angle of described body of heater, improve the capacity utilization of described body of heater, be convenient to safeguard described Bottom Blowing Ejection Gun.
According to one embodiment of present invention, described copper matte regulus is solid-state copper matte regulus.According to the copper matte regulus bottom blowing blowing technology of the embodiment of the present invention, can process solid-state copper matte regulus, and by add solid-state copper matte regulus in described copper matte regulus bottom blowing converting furnace, can be more easily, accurately the add-on of copper matte regulus is measured, and can more easily, accurately control the amount ratio of copper matte regulus and oxygen-containing gas (oxygen amount).Can control more easily converting process thus, melt in converting furnace is existed with blister copper and blowing slag two-phase, there is no or almost do not have copper matte regulus layer (or claiming copper-nickel alloy sulfonium layer), by this control, blowing effect be can further improve, the sulphur content of blister copper and the content of other impurity (such as arsenic, antimony, bismuth, lead etc.) reduced.
Owing to can accurately controlling the amount ratio of copper matte regulus and oxygen-containing gas, thereby can avoid too much causing blister copper peroxidation and forming foamy slag because oxygen-containing gas sprays into, can also avoid containing more impurity (such as arsenic, antimony, bismuth, lead etc.) so that subsequent disposal because oxygen-containing gas sprays into the very few blister copper that causes.And, by add solid-state copper matte regulus in described copper matte regulus bottom blowing converting furnace, can realize intermittent charging, can in described copper matte regulus bottom blowing converting furnace, add solid-state copper matte regulus discontinuously, can make thus described copper matte regulus bottom blowing blowing technology there is stronger adaptability and wider range of application.
According to one embodiment of present invention, described solid-state copper matte regulus is joined in described copper matte regulus bottom blowing converting furnace or by airflow blow and is arrived in described copper matte regulus bottom blowing converting furnace by feeding chute or charging chute.Thus can be more easily, easily described solid-state copper matte regulus is joined in described copper matte regulus bottom blowing converting furnace.
According to one embodiment of present invention, described solid-state copper matte regulus is added in described copper matte regulus bottom blowing converting furnace continuously.Thus can continuous treatment copper matte regulus, in conjunction with oxygen blast continuously, further improve processing efficiency.
According to one embodiment of present invention, described Bottom Blowing Ejection Gun is located at below the horizontal center line of body of heater of described copper matte regulus bottom blowing converting furnace.
According to one embodiment of present invention, the angle α between described Bottom Blowing Ejection Gun and direction straight up at-120 degree to the scopes of+120 degree.
According to one embodiment of present invention, the angle α between described Bottom Blowing Ejection Gun and direction straight up at-60 degree to the scopes of+60 degree.
According to one embodiment of present invention, the angle α between described Bottom Blowing Ejection Gun and direction straight up at-30 degree to the scopes of+30 degree.
According to one embodiment of present invention, preferred, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to the scopes of+20 degree-20.
According to one embodiment of present invention, described Bottom Blowing Ejection Gun and be orthogonal to angle β between the axial direction of described copper matte regulus bottom blowing converting furnace at-30 degree to the scopes of+30 degree.
According to one embodiment of present invention, described angle β is 0 degree.
According to one embodiment of present invention, described copper matte regulus bottom blowing blowing technology also comprises in described copper matte regulus bottom blowing converting furnace and adds anode scrap copper and/or useless composition brass.By add anode scrap copper and/or useless composition brass in described copper matte regulus bottom blowing converting furnace, the equipment without being equipped with the useless composition brass of fusing and anode scrap copper, has reduced investment, energy consumption and blowing cost thus, has further expanded the technique scope of application.
According to one embodiment of present invention, at least one in the mixture that described flux is Wingdale, lime, quartzite, quartzite and lime and the mixture of quartzite and Wingdale.
According to one embodiment of present invention, described blowing slag is by the continuous blow-down of overflow mode.Can discharge easily blowing slag thus, reduce manual operation.
According to one embodiment of present invention, described blister copper is by siphon mode continuous blow-down.
According to one embodiment of present invention, the blowing temperature in described copper matte regulus bottom blowing converting furnace is 1150-1300 degree Celsius.
According to one embodiment of present invention, the blowing temperature in described copper matte regulus bottom blowing converting furnace is 1180-1250 degree Celsius.
According to one embodiment of present invention, the stokehold pressure of described oxygen-containing gas is 0.2-0.8MPa.
According to one embodiment of present invention, the stokehold pressure of described oxygen-containing gas is 0.4-0.6MPa.
According to one embodiment of present invention, the oxygen concentration of described oxygen-containing gas is 20-99.6%.
According to one embodiment of present invention, the oxygen concentration of described oxygen-containing gas is 30-75%.
According to one embodiment of present invention, described Bottom Blowing Ejection Gun also sprays into nitrogen in described copper matte regulus bottom blowing converting furnace.By spraying into nitrogen, not only can carry out spray gun coolingly, and can the melt in copper matte regulus bottom blowing converting furnace be stirred, further improve blowing effect.Nitrogen is injected in blister copper layer, can also improve blister copper quality.
According to one embodiment of present invention, described copper matte regulus bottom blowing blowing technology also comprises by the first watercooling jacket or the cooling described Bottom Blowing Ejection Gun of gas permeable brick between being located in the periphery of described Bottom Blowing Ejection Gun and the body of heater of described copper matte regulus bottom blowing converting furnace.Can further extend the work-ing life of described Bottom Blowing Ejection Gun thus.
According to one embodiment of present invention, the slag blanket region of described copper matte regulus bottom blowing converting furnace is provided with the second watercooling jacket.Can further extend the work-ing life of copper matte regulus bottom blowing converting furnace thus.
According to one embodiment of present invention, described the first and second watercooling jackets are copper water jacket.Compare with traditional stainless steel water jacket, copper water jacket has the advantages such as good cooling results, long service life.
According to the embodiment of second aspect present invention, a kind of copper matte regulus bottom blowing converting furnace is proposed, comprise: body of heater, in described body of heater, have furnace chamber, described body of heater has charging opening for add the material that comprises copper matte regulus in described furnace chamber, for discharging the slag-drip opening of blowing slag, for discharging the blister copper discharge outlet of blister copper, for discharging the smoke outlet of flue gas and being located at the spray gun jack of the bottom of described body of heater; And Bottom Blowing Ejection Gun, described Bottom Blowing Ejection Gun is inserted in described spray gun jack, for being blown into continuously oxygen-containing gas in the melt in described furnace chamber.
According to the copper matte regulus bottom blowing converting furnace of the embodiment of the present invention, have the copper matte regulus of processing efficiency high, the feature of environmental protection is good, and blister copper quality is high, the advantage that in blowing slag, cupric reduces.
According to one embodiment of present invention, described charging opening comprises for adding the first charging opening of copper matte regulus and flux and for add the second charging opening of anode scrap copper and/or useless composition brass in described furnace chamber in described furnace chamber.
According to one embodiment of present invention, described charging opening and described smoke outlet share an opening.Can reduce the open amount of described copper matte regulus bottom blowing converting furnace thus, reduce difficulty of processing, improve sealing property, reduce the inleakage of body of heater, environmental-protecting performance further improves.
According to one embodiment of present invention, described Bottom Blowing Ejection Gun is blown into described oxygen-containing gas in the blister copper layer of described melt continuously.
According to one embodiment of present invention, described Bottom Blowing Ejection Gun is blown into described oxygen-containing gas in the copper matte regulus layer of described melt continuously.
According to one embodiment of present invention, described copper matte regulus is solid-state.
According to one embodiment of present invention, described body of heater is rotating cylindrical horizontal container.By rotating, can be convenient for changing Bottom Blowing Ejection Gun.
According to one embodiment of present invention, described Bottom Blowing Ejection Gun is arranged in below the horizontal center line of described body of heater.
According to one embodiment of present invention, the angle α between described Bottom Blowing Ejection Gun and direction straight up at-120 degree to the scopes of+120 degree.
According to one embodiment of present invention, the angle α between described Bottom Blowing Ejection Gun and direction straight up at-60 degree to the scopes of+60 degree.
According to one embodiment of present invention, the angle α between described Bottom Blowing Ejection Gun and direction straight up at-30 degree to the scopes of+30 degree.
According to one embodiment of present invention, preferred, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to the scopes of+20 degree-20.
According to one embodiment of present invention, described Bottom Blowing Ejection Gun and be orthogonal to angle β between the axial direction of described copper matte regulus bottom blowing converting furnace at-30 degree to the scopes of+30 degree.
According to one embodiment of present invention, described Bottom Blowing Ejection Gun and the angle β that is orthogonal between the axial direction of described copper matte regulus bottom blowing converting furnace are 0 degree.
According to one embodiment of present invention, between the periphery of described Bottom Blowing Ejection Gun and described body of heater, be provided with the first watercooling jacket or gas permeable brick.Can further extend the work-ing life of described Bottom Blowing Ejection Gun thus.
According to one embodiment of present invention, the slag blanket region of described copper matte regulus bottom blowing converting furnace is provided with the second watercooling jacket.Can further extend the work-ing life of copper matte regulus bottom blowing converting furnace thus.
According to one embodiment of present invention, described the first and second watercooling jackets are copper water jacket.Copper water jacket has the advantages such as good cooling results, long service life.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the schematic diagram of copper matte regulus bottom blowing converting furnace according to an embodiment of the invention;
Fig. 2 is the transverse sectional view of the body of heater of copper matte regulus bottom blowing converting furnace according to an embodiment of the invention;
Fig. 3 is the transverse sectional view of the body of heater of copper matte regulus bottom blowing converting furnace in accordance with another embodiment of the present invention;
Fig. 4 is the schematic diagram of the projection on perpendicular of copper matte regulus bottom blowing converting furnace according to an embodiment of the invention;
Fig. 5 is the schema of copper matte regulus bottom blowing blowing technology according to an embodiment of the invention.
Copper matte regulus bottom blowing converting furnace 1, body of heater 10, furnace chamber 101, charging opening 102, slag-drip opening 103, blister copper discharge outlet 104, smoke outlet 105, spray gun jack 106, Bottom Blowing Ejection Gun 20, bracket 30, backing ring 40, gear ring 50, drive unit 60, blister copper layer C1, copper matte regulus layer C2, blowing slag blanket C3, L1 blister copper liquidus, L2 copper matte regulus liquidus, L3 blowing slag liquidus.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but contact by the other feature between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
Below with reference to first describing according to the copper matte regulus bottom blowing converting furnace of the embodiment of the present invention and copper matte regulus bottom blowing blowing technology with reference to figure 1-5.Can be for carrying out according to the copper matte regulus bottom blowing blowing technology of the embodiment of the present invention according to the copper matte regulus bottom blowing converting furnace of the embodiment of the present invention, it will be appreciated that, according to the copper matte regulus bottom-blown smelting technique of the embodiment of the present invention, be not limited to use according to the copper matte regulus bottom blowing converting furnace of the description of the embodiment of the present invention.
As shown in Figure 1, according to the copper matte regulus bottom blowing converting furnace 1 of the embodiment of the present invention, comprise body of heater 10 and Bottom Blowing Ejection Gun 20.
In body of heater 10, have furnace chamber 101, body of heater 10 has charging opening 102 for add the material that comprises copper matte regulus in furnace chamber 101, for discharging the slag-drip opening 103 of blowing slag, for discharging the blister copper discharge outlet 104 of blister copper, for discharging the smoke outlet 105 of flue gas and being located at the spray gun jack 106 of body of heater 10 bottoms.Bottom Blowing Ejection Gun 20 is inserted in spray gun jack 106, for being blown into continuously oxygen-containing gas in the melt in furnace chamber 101.
According to the copper matte regulus bottom blowing converting furnace of the embodiment of the present invention, can to copper matte regulus, blow by bottom blowing oxygen-containing gas, good environmental protection, pollute and reduce, the exhaust gas volumn producing is few, concentration stabilize, and blister copper quality is high, blowing slag cupric is few, can process the copper matte regulus of various smelting furnace outputs, can serialization blow, efficiency improves, liquid and the solid-state copper matte regulus that can blow, suitability is high.
To the material adding in furnace chamber 101, can be copper matte regulus and flux, preferably, can also add anode scrap copper and/or useless composition brass by charging opening 102, thereby without the equipment that is equipped with the useless composition brass of fusing and anode scrap copper, reduce investment, energy consumption and blowing cost, further expanded the technique scope of application.
Alternatively, charging opening 102 can be divided into for adding the first charging opening of copper matte regulus and flux and for add the second charging opening of anode scrap copper and/or useless composition brass in furnace chamber 101 in furnace chamber 101.More specifically, the first charging opening can be divided into copper matte regulus charging opening and flux charging opening again, and the second charging opening can be divided into anode scrap charging opening and useless composition brass charging opening again.Preferably, charging opening 102 can be same opening with smoke outlet 105, reduces thus the open amount of body of heater 10, reduces manufacturing cost.Alternatively, smoke outlet 105 can be with in the first and second charging openings, any one shares an opening, or smoke outlet 105 can be with in copper matte regulus charging opening, flux charging opening, anode scrap charging opening and useless composition brass charging opening, any one or more share openings.
As shown in Figure 1, in some embodiments of the invention, spray gun jack 106 can be that a plurality of and a plurality of spray gun jacks 106 can be formed on body of heater 10 bottoms at interval, it will be appreciated that, broad understanding should be made in the term here " bottom ", comprises any suitable position below the horizontal center line X of body of heater 10, preferably, spray gun, near under body of heater 10, will be described in more detail below.Bottom Blowing Ejection Gun 20 can be that a plurality of and a plurality of Bottom Blowing Ejection Guns 20 can be inserted into respectively in a plurality of spray gun jacks 106 accordingly, that is, a Bottom Blowing Ejection Gun 20 can be inserted in a spray gun jack 106.Oxygen-containing gas can be blown in blister copper layer C1 more equably thus, thereby further improve the quality of blister copper.Here, oxygen-containing gas should be interpreted broadly, for example, comprise pure oxygen, oxygen rich gas and containing oxygen air etc.Preferably, oxygen-containing gas is oxygen-rich air, and for example oxygen concentration is at more than 70% oxygen-rich air.Bottom Blowing Ejection Gun 20 can be located at below the horizontal center line X of body of heater 10 of copper matte regulus bottom blowing converting furnace 1.
Particularly, the stokehold pressure of described oxygen-containing gas can be 0.2MPa-0.8MPa.Further, the stokehold pressure of described oxygen-containing gas can be 0.4MPa-0.6MPa.
The oxygen concentration of described oxygen-containing gas can be 20%-99.6%.Further, the oxygen concentration of described oxygen-containing gas can be 30%-75%.
In a preferred embodiment of the invention, body of heater 10 can be rotating cylindrical horizontal container.By rotating furnace 10, can change easily and keep in repair Bottom Blowing Ejection Gun 20, and the melt in emptying furnace chamber 101 of the time of needing repairing.
As shown in Figure 1, copper matte regulus bottom blowing converting furnace 1 further comprises bracket 30, backing ring 40, gear ring 50 and drive unit 60.Backing ring 40 is set on body of heater 10 and is rotatably supported on bracket 30.Gear ring 50 is set on the outside surface of body of heater 10.Drive unit 60 is connected with gear ring 50, to drive body of heater 10 to rotate by driving gear ring 50 to rotate.Drive unit 60 for example can comprise motor, and the speed reduction unit being connected with motor can be installed gear on the output shaft of speed reduction unit, and gear and gear ring 50 mesh to drive gear ring 50 to rotate.Body of heater 10, under the drive of gear ring 50, rotates on bracket 30, because body of heater 10 can rotate, is convenient to change Bottom Blowing Ejection Gun 20 and other operations.
As shown in Figures 2 and 3, the angle α between Bottom Blowing Ejection Gun 20 and direction straight up can be at-120 degree to the scope of+120 degree ,-120 degree≤α≤+ 120 degree.In other words, the angle between the emission direction of Bottom Blowing Ejection Gun 20 and direction is straight up spent to the scopes of+120 degree-120.As shown in Figures 2 and 3, from the blowing direction of Bottom Blowing Ejection Gun 20 in the counterclockwise direction to the angle α of direction straight up for just, from the blowing direction of Bottom Blowing Ejection Gun 20 along clockwise direction to the angle α of direction straight up for negative.
More specifically, the angle α between Bottom Blowing Ejection Gun 20 and direction straight up can be at-60 degree to the scope of+60 degree ,-60 degree≤α≤+ 60 degree.Advantageously, the angle between Bottom Blowing Ejection Gun 20 and direction is straight up at-30 degree to the scope of+30 degree, and-30 degree≤α≤+ 30 are spent.Preferably, the angle between Bottom Blowing Ejection Gun 20 and direction is straight up at-20 degree to the scope of+20 degree, and-20 degree≤α≤+ 20 are spent.Can improve blowing effect thus.
In optional embodiment of the present invention, Bottom Blowing Ejection Gun 20 and be orthogonal to angle β between the axial direction (being the vertical direction in Fig. 4) of body of heater 10 at-30 degree to the scopes of+30 degree.More preferably, angle β is 0 degree, and Bottom Blowing Ejection Gun 20 is vertically directed.
In order to improve the life-span of Bottom Blowing Ejection Gun 20, between the periphery of Bottom Blowing Ejection Gun 20 and body of heater 10, be provided with gas permeable brick or the first watercooling jacket.Gas permeable brick can carry out cooling and can improve the mobility of the melt in furnace chamber 101 Bottom Blowing Ejection Gun 20, improves blowing effect.Optionally, can be by gas permeable brick to the interior injection nitrogen of furnace chamber 101, cooling Bottom Blowing Ejection Gun 20 and stir better the melt in furnace chamber 101 better.When watercooling jacket is set, watercooling jacket leads to water coolant, to Bottom Blowing Ejection Gun 20, carries out cooling.
Preferably, the slag blanket region of furnace chamber 101 is provided with the second watercooling jacket.Can further extend the work-ing life of body of heater 10 thus.Preferably, the first and second watercooling jackets are copper water jacket.Than traditional molten steel cover, copper water jacket has the advantages such as good cooling results, long service life.
According to the preferred embodiment of the present invention, Bottom Blowing Ejection Gun 20 is blown into oxygen-containing gas in the copper matte regulus layer C2 of melt continuously, and more preferably, Bottom Blowing Ejection Gun 20 is blown into oxygen-containing gas in the blister copper layer C1 of melt continuously, can describe useful technique effect in detail below.
According to the copper matte regulus bottom blowing converting furnace of the embodiment of the present invention, the copper matte regulus that can obtain for the treatment of various smelting furnace meltings.Advantageously, according to the copper matte regulus bottom blowing converting furnace of the embodiment of the present invention, process solid-state copper matte regulus.
Below with reference to Fig. 5, in conjunction with Fig. 1-4, describe according to the copper matte regulus bottom blowing blowing technology of the embodiment of the present invention.As shown in Figure 5, according to the copper matte regulus bottom blowing blowing technology of the embodiment of the present invention, comprise the following steps:
Copper matte regulus and flux are joined in furnace chamber 101; Utilize in the melt of Bottom Blowing Ejection Gun 20 in from the bottom of body of heater 10 to furnace chamber 101 and be blown into continuously oxygen-containing gas; With from furnace chamber 101 interior discharge respectively blister copper and blowing slag.
According to the copper matte regulus bottom blowing blowing technology of the embodiment of the present invention, by utilizing in the melt of Bottom Blowing Ejection Gun in from the bottom of described copper matte regulus bottom blowing converting furnace to copper matte regulus bottom blowing converting furnace, be blown into continuously oxygen-containing gas, can realize continuous converting, raise the efficiency, reduce costs, and exhaust gas volumn is few, flue gas concentration is stable, and flue gas is overflowed few, good environmental protection, reduced pollution, blister copper quality is high, and in blowing slag, copper content reduces.
It will be appreciated that, to the interior oxygen-containing gas that is blown into continuously of furnace chamber 101, refer to: while normally producing, uninterruptedly blow continuously oxygen-containing gas, can avoid damaging Bottom Blowing Ejection Gun 20, certainly, when copper matte regulus bottom blowing converting furnace is made a fault or normally keep in repair, Bottom Blowing Ejection Gun 20 also needs to stop blowing.
Compare with the traditional PS converter oxygen that periodically blows side, unit time air output reduces, and unit time exhaust gas volumn is little, Heat stability is good, and cost and energy consumption are low, and efficiency is high.
In some embodiments of the invention, Bottom Blowing Ejection Gun 20 is blown into oxygen-containing gas in the copper matte regulus layer C2 in furnace chamber 101 continuously from the bottom of body of heater 10.By be blown into continuously oxygen-containing gas in copper matte regulus layer C2, can reduce the tilt angle of body of heater 10, improve the capacity utilization of body of heater 10, be convenient to safeguard Bottom Blowing Ejection Gun 20.
Advantageously, Bottom Blowing Ejection Gun 20 is blown into oxygen-containing gas in the blister copper layer C1 in furnace chamber 101 continuously from the bottom of body of heater 10.
As shown in Figure 1, in furnace chamber 101, melt can be divided into three parts (three-phase): blister copper layer C1, copper matte regulus layer (or claiming copper-nickel alloy sulfonium layer) C2 and blowing slag blanket C3, L1, L2 and L3 are respectively blister copper metal lines, copper matte regulus metal line and slag blanket metal line, the in the situation that of three-phase coexistence, be conducive to reduce slag cupric and security and improve.
To the beneficial effect that blows oxygen-containing gas in blister copper layer, be: in described copper matte regulus bottom blowing converting furnace, blister copper layer C1 is positioned at copper matte regulus layer C2 below, by oxygen-containing gas being blown into continuously to blister copper layer C1, described Bottom Blowing Ejection Gun is without passing blister copper layer C1, the life-span that can improve so described Bottom Blowing Ejection Gun.In other words, by be blown into continuously oxygen-containing gas in blister copper layer C1, can make described Bottom Blowing Ejection Gun for example, without stretching into too many (length that described Bottom Blowing Ejection Gun stretches in described body of heater can be less than 50 millimeters) in described body of heater, reduced the loss of described Bottom Blowing Ejection Gun, extend the work-ing life of described copper matte regulus bottom blowing converting furnace, reduce the running cost of described copper matte regulus bottom blowing converting furnace.In addition, the amount that oxygen-containing gas enters slag blanket reduces, and avoids because copper matte regulus layer C2 is thinner, the oxygen-containing gas of described Bottom Blowing Ejection Gun ejection is easy to enter slag blanket through copper matte regulus layer C2, thereby cause oxygen-containing gas waste, can reduce the consumption of oxygen-containing gas, further reduce costs.
And, by be blown into continuously oxygen-containing gas in blister copper layer, can make the oxygen gesture in blister copper layer the highest, and first impurity element (S, As, Sb, Bi, the Pb etc.) oxidation being mixed in blister copper layer be removed, thereby obtain the higher blister copper of quality.Oxygen-containing gas can also be using blister copper as carrier, with Cu
2cu in O, CuO form and copper matte regulus layer C2
2s, CuS reaction generates Cu and SO
2, and react generation FeO, SO with the FeS in copper matte regulus layer
2and Cu.Described copper matte regulus bottom blowing blowing technology can reduce Fe
3o
4growing amount, prevent Fe
3o
4the generation of precipitation and foamy slag.Due to the Fe in blowing slag
3o
4content is low, and the viscosity of blowing slag is just low, and then can reduce Cu in blowing slag
2the inclusion content of O (for example, the copper content of blowing slag can be less than 14%, is even less than 10%).By be blown into continuously oxygen-containing gas in described blister copper layer, increase the oxygen-containing gas reaction times, improved oxygen-containing gas utilization ratio, improved blister copper quality.In addition, by be blown into continuously oxygen-containing gas in blister copper layer, the total amount of gas can be reduced to be blown in the unit time, thereby the risk of spray stove can be reduced.
By be blown into continuously oxygen-containing gas in described blister copper layer, can make furnace temperature stable, overcome the excessive shortcoming of converter discontinuous running temperature fluctuation, be conducive to increase substantially the work-ing life of described copper matte regulus bottom blowing converting furnace, reduce refractory consumption rate and maintenance load, thereby reduced copper metallurgy cost.And described copper matte regulus bottom blowing blowing technology can make the SO in exhaust gas volumn and flue gas
2stable content is balanced, and body of heater does not need frequent rotation, thereby air leak rate of air curtain is declined to a great extent, and has overcome converter discontinuous running exhaust gas volumn and the smoke components large shortcoming that fluctuates, and is conducive to relieving haperacidity, reduces the investment of Liao Suan factory and running cost.
Advantageously, at the copper matte regulus of batch, join that furnace chamber 101 is interior to blow out after blister copper, only blister copper is discharged.New copper matte regulus is added to blowing again in furnace chamber 101, can be by the copper oxide reduction blowing for the first time in slag, the slag cupric thereby reduction is blown.
In some embodiments of the invention, described copper matte regulus can be solid-state copper matte regulus.In other words, described copper matte regulus can join in furnace chamber 101 with solid form.According to the copper matte regulus bottom blowing blowing technology of the embodiment of the present invention, can process solid-state copper matte regulus, and by add solid-state copper matte regulus in described copper matte regulus bottom blowing converting furnace, can be more easily, accurately the add-on of copper matte regulus is measured, and can more easily, accurately control the amount ratio of copper matte regulus and oxygen-containing gas (oxygen amount).Can control more easily converting process thus, the melt in converting furnace is existed with blister copper and blowing slag two-phase, there is no or almost do not have copper matte regulus layer (or claiming copper-nickel alloy sulfonium layer).For example in some embodiments of the invention, by accurately controlling the amount ratio of copper matte regulus and oxygen-containing gas (oxygen amount), melt in furnace chamber 101 can be also two portions (two-phase), blister copper layer C1 and blowing slag blanket C3, be that copper matte regulus enters the blowing of the interior i.e. quilt of furnace chamber 101 for blister copper and blowing slag, the in the situation that of two-phase coexistent, blister copper quality is high, and impurity is low.By this control, can further improve blowing effect, further reduce the sulphur content of blister copper and the content of other impurity (such as arsenic, antimony, bismuth, lead etc.).Owing to can accurately controlling the amount ratio of copper matte regulus and oxygen-containing gas, thereby can avoid too much causing blister copper peroxidation and forming foamy slag because oxygen-containing gas sprays into, can also avoid containing more impurity (such as arsenic, antimony, bismuth, lead etc.) so that subsequent disposal because oxygen-containing gas sprays into the very few blister copper that causes.And, by add solid-state copper matte regulus in described copper matte regulus bottom blowing converting furnace, can realize intermittent charging, can in described copper matte regulus bottom blowing converting furnace, add solid-state copper matte regulus discontinuously, can make thus described copper matte regulus bottom blowing blowing technology there is stronger adaptability and wider range of application.
Particularly, can liquid towards copper matte regulus carry out that water is broken, dry granulation or cooling rear fragmentation be to obtain solid-state copper matte regulus.
Described solid-state copper matte regulus can add copper matte regulus bottom blowing converting furnace 1 by feeding chute or charging chute, and described solid-state copper matte regulus can also arrive in copper matte regulus bottom blowing converting furnace 1 by airflow blow.Thus can be more easily, easily described solid-state copper matte regulus is joined in described copper matte regulus bottom blowing converting furnace.Advantageously, described solid-state copper matte regulus can add in copper matte regulus bottom blowing converting furnace 1 continuously.Thus can continuous treatment copper matte regulus, in conjunction with oxygen blast continuously, further improve processing efficiency.
As mentioned above, the angle α between the injection direction of Bottom Blowing Ejection Gun 20 and direction straight up can be at-120 degree to the scope of+120 degree.Preferably, the angle α between the injection direction of Bottom Blowing Ejection Gun 20 and direction straight up can be at-60 degree to the scope of+60 degree.Advantageously, the angle α between the injection direction of Bottom Blowing Ejection Gun 20 and direction straight up spends to the scopes of+30 degree-30.Preferably, the angle α between the injection direction of Bottom Blowing Ejection Gun 20 and direction straight up spends to the scopes of+20 degree-20.Be understandable that, when the volume of copper matte regulus bottom blowing converting furnace 1 is large, the melt of processing is many, and angle α can be larger, otherwise angle α can be smaller, in order to avoid blow, wears, and causes oxygen-containing gas waste, impact blowing effect.
According to one embodiment of present invention, described Bottom Blowing Ejection Gun 20 and be orthogonal to angle β between the axial direction of described copper matte regulus bottom blowing converting furnace at-30 degree to the scopes of+30 degree.
According to one embodiment of present invention, described angle β is 0 degree.
According to the copper matte regulus bottom blowing blowing technology of the embodiment of the present invention, can also comprise in furnace chamber 101 and add anode scrap copper and/or useless composition brass.By add anode scrap copper and/or useless composition brass in copper matte regulus bottom blowing converting furnace 1, the equipment without being equipped with the useless composition brass of fusing and anode scrap copper, has reduced investment, energy consumption and blowing cost thus, has further expanded the technique scope of application.
According to embodiments of the invention, described flux can be at least one in the mixture of Wingdale, lime, quartzite, quartzite and lime and the mixture of quartzite and Wingdale.The smelting slag that adopts Wingdale, lime to produce as flux is basic slag, basic slag good fluidity, and slag cupric is lower, but serious to lining erosion.For addressing this problem, through verification experimental verification, the acid slag that the present invention proposes to adopt quartzite to produce as flux is less to the erosion of furnace lining, can effectively extend the work-ing life of uninterrupted working time and bottom blowing converting furnace.But test finds that acid slag mobility is poor simultaneously, and in the slag that causes blowing, cupric is higher, and easily produces foamy slag, affects production safety.For solving the problem of acid slag, the present invention proposes again to adopt the mixture of quartzite and lime or the mixture of quartzite and Wingdale as flux slag making, and the present invention is called neutral slag by this blowing slag.Adopting neutral slag can alleviate the erosion to furnace lining, can improve liquidity to a certain extent again, reduce slag cupric, and can reduce the risk of foamy slag, is preferred technical scheme.
Preferably, described blowing slag can be by the continuous blow-down of overflow mode.Certainly, also can be by overflow mode intermittent discharge, or by the mode intermittent discharge of perforating on body of heater 10.
Preferably, described blister copper can pass through siphon mode continuous blow-down.Certainly, also can be by overflow mode intermittent discharge, or by the mode intermittent discharge of perforating on body of heater 10.
According to the blowing technology of the embodiment of the present invention, the copper content of blowing slag can be less than or equal to 20wt%.In other words, the copper in described blowing slag and the mass percent of described blowing slag are less than or equal to 20%.More advantageously, the copper content of described blowing slag is less than or equal to 15wt%, to reduce the amount of returning and the mechanical loss amount of copper in blowing slag.
In examples more of the present invention, the blowing temperature in copper matte regulus bottom blowing converting furnace 1 can be 1150 degrees Celsius-1300 degrees Celsius, maintains the carrying out of converting process.Advantageously, the blowing temperature in copper matte regulus bottom blowing converting furnace 1 can be 1180 degrees Celsius-1250 degrees Celsius, more safely maintains the carrying out of converting process.In addition, according to the blowing technology of the embodiment of the present invention, can in the blister copper layer in copper matte regulus bottom blowing converting furnace 1, spray into nitrogen, to stir melt, improve blowing effect and blister copper quality.Nitrogen is injected in blister copper layer, can also improve blister copper quality.
In an example of the present invention, can to Bottom Blowing Ejection Gun 20, carry out cooling by the first watercooling jacket or gas permeable brick.Thus, improve the life-span of Bottom Blowing Ejection Gun 20.
According to the copper matte regulus bottom blowing converting furnace of the embodiment of the present invention and copper matte regulus bottom blowing blowing technology, can realize the continuous converting of copper matte regulus, the exhaust gas volumn of generation is few, concentration stabilize, environmental protection, blister copper quality improves, and in blowing slag, cupric is low, and efficiency is high, and cost is low, and use range is wide.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention in the situation that not departing from principle of the present invention and aim, modification, replacement and modification.
Claims (40)
1. a copper matte regulus bottom blowing blowing technology, is characterized in that, comprises the following steps:
Copper matte regulus and flux are joined in copper matte regulus bottom blowing converting furnace;
Utilize in the melt of Bottom Blowing Ejection Gun in from the bottom of described copper matte regulus bottom blowing converting furnace to described copper matte regulus bottom blowing converting furnace and be blown into continuously oxygen-containing gas, described oxygen-containing gas is continuously blown in the blister copper layer of described melt; With
In described copper matte regulus bottom blowing converting furnace, discharge respectively blister copper and blowing slag.
2. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, described copper matte regulus is solid-state copper matte regulus.
3. copper matte regulus bottom blowing blowing technology according to claim 2, is characterized in that, described solid-state copper matte regulus is joined in described copper matte regulus bottom blowing converting furnace or by airflow blow and arrived in described copper matte regulus bottom blowing converting furnace by feeding chute or charging chute.
4. copper matte regulus bottom blowing blowing technology according to claim 2, is characterized in that, described solid-state copper matte regulus is added in described copper matte regulus bottom blowing converting furnace continuously.
5. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, described Bottom Blowing Ejection Gun is located at below the horizontal center line of body of heater of described copper matte regulus bottom blowing converting furnace.
6. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to the scopes of+120 degree-120.
7. copper matte regulus bottom blowing blowing technology according to claim 6, is characterized in that, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to the scopes of+60 degree-60.
8. copper matte regulus bottom blowing blowing technology according to claim 7, is characterized in that, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to the scopes of+30 degree-30.
9. copper matte regulus bottom blowing blowing technology according to claim 8, is characterized in that, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to the scopes of+20 degree-20.
10. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, described Bottom Blowing Ejection Gun and be orthogonal to angle β between the axial direction of described copper matte regulus bottom blowing converting furnace at-30 degree to the scopes of+30 degree.
11. copper matte regulus bottom blowing blowing technology according to claim 10, is characterized in that, described angle β is 0 degree.
12. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, also comprise in described copper matte regulus bottom blowing converting furnace and add anode scrap copper and/or useless composition brass.
13. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, described flux is at least one in the mixture of Wingdale, lime, quartzite, quartzite and lime and the mixture of quartzite and Wingdale.
14. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, described blowing slag is by the continuous blow-down of overflow mode.
15. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, described blister copper is by siphon mode continuous blow-down.
16. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, the blowing temperature in described copper matte regulus bottom blowing converting furnace is 1150-1300 degree Celsius.
17. copper matte regulus bottom blowing blowing technology according to claim 16, is characterized in that, described blowing temperature is 1180-1250 degree Celsius.
18. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, the stokehold pressure of described oxygen-containing gas is 0.2-0.8MPa.
19. copper matte regulus bottom blowing blowing technology according to claim 18, is characterized in that, the stokehold pressure of described oxygen-containing gas is 0.4-0.6MPa.
20. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, the oxygen concentration of described oxygen-containing gas is 20-99.6%.
21. copper matte regulus bottom blowing blowing technology according to claim 20, is characterized in that, the oxygen concentration of described oxygen-containing gas is 30-75%.
22. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, described Bottom Blowing Ejection Gun also sprays into nitrogen in the melt in described copper matte regulus bottom blowing converting furnace.
23. copper matte regulus bottom blowing blowing technology according to claim 1, is characterized in that, also comprise by being located at gas permeable brick or the cooling described Bottom Blowing Ejection Gun of the first watercooling jacket between the periphery of described Bottom Blowing Ejection Gun and the body of heater of described copper matte regulus bottom blowing converting furnace.
24. copper matte regulus bottom blowing blowing technology according to claim 23, is characterized in that, the slag blanket region of described copper matte regulus bottom blowing converting furnace is provided with the second watercooling jacket.
25. copper matte regulus bottom blowing blowing technology according to claim 24, is characterized in that, described the first and second watercooling jackets are copper water jacket.
26. 1 kinds of copper matte regulus bottom blowing converting furnaces, is characterized in that, comprising:
Body of heater, in described body of heater, have furnace chamber, described body of heater has charging opening for add the material that comprises copper matte regulus in described furnace chamber, for discharging the slag-drip opening of blowing slag, for discharging the blister copper discharge outlet of blister copper, for discharging the smoke outlet of flue gas and being located at the spray gun jack of the bottom of described body of heater; With
Bottom Blowing Ejection Gun, described Bottom Blowing Ejection Gun is inserted in described spray gun jack, and for being blown into continuously oxygen-containing gas in the melt in described furnace chamber, described Bottom Blowing Ejection Gun is blown into described oxygen-containing gas in the blister copper layer of described melt continuously.
27. copper matte regulus bottom blowing converting furnaces according to claim 26, is characterized in that, described charging opening comprises for adding the first charging opening of copper matte regulus and flux and for add the second charging opening of anode scrap copper and/or useless composition brass in described furnace chamber in described furnace chamber.
28. according to the copper matte regulus bottom blowing converting furnace described in claim 26 or 27, it is characterized in that, described charging opening and described smoke outlet share an opening.
29. copper matte regulus bottom blowing converting furnaces according to claim 26, is characterized in that, described copper matte regulus is solid-state.
30. copper matte regulus bottom blowing converting furnaces according to claim 26, is characterized in that, described body of heater is rotating cylindrical horizontal container.
31. copper matte regulus bottom blowing converting furnaces according to claim 26, is characterized in that, described Bottom Blowing Ejection Gun is located at below the horizontal center line of described body of heater.
32. copper matte regulus bottom blowing converting furnaces according to claim 26, is characterized in that, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to the scopes of+120 degree-120.
33. copper matte regulus bottom blowing converting furnaces according to claim 32, is characterized in that, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to the scopes of+60 degree-60.
34. copper matte regulus bottom blowing converting furnaces according to claim 33, is characterized in that, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to the scopes of+30 degree-30.
35. copper matte regulus bottom blowing converting furnaces according to claim 34, is characterized in that, the angle α between described Bottom Blowing Ejection Gun and direction straight up spends to the scopes of+20 degree-20.
36. copper matte regulus bottom blowing converting furnaces according to claim 26, is characterized in that, described Bottom Blowing Ejection Gun and be orthogonal to angle β between the axial direction of described copper matte regulus bottom blowing converting furnace at-30 degree to the scopes of+30 degree.
37. copper matte regulus bottom blowing converting furnaces according to claim 36, is characterized in that, described Bottom Blowing Ejection Gun and the angle β being orthogonal between the axial direction of described copper matte regulus bottom blowing converting furnace are 0 degree.
38. copper matte regulus bottom blowing converting furnaces according to claim 26, is characterized in that, between the periphery of described Bottom Blowing Ejection Gun and described body of heater, are provided with the first watercooling jacket or gas permeable brick.
39. according to the copper matte regulus bottom blowing converting furnace described in claim 38, it is characterized in that, the slag blanket region of described copper matte regulus bottom blowing converting furnace is provided with the second watercooling jacket.
40. according to the copper matte regulus bottom blowing converting furnace described in claim 39, it is characterized in that, described the first and second watercooling jackets are copper water jacket.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210568627.8A CN103014371B (en) | 2012-12-24 | 2012-12-24 | Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace |
| PE2015001023A PE20151176A1 (en) | 2012-12-24 | 2013-12-17 | COPPER MATT REFINING PROCESS BY LOWER BLOWING AND COPPER MATT REFINING KILN BY BOTTOM BLOWN |
| RU2015119158A RU2647418C2 (en) | 2012-12-24 | 2013-12-17 | Copper matte bottom-blowing refining process and copper matte bottom-blowing refining furnace |
| PCT/CN2013/089731 WO2014101688A1 (en) | 2012-12-24 | 2013-12-17 | Copper matte bottom-blowing refining process and copper matte bottom-blowing refining furnace |
| CL2015000351A CL2015000351A1 (en) | 2012-12-24 | 2015-02-13 | Refining process of lower blow copper matte and lower blow copper refinement kiln |
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| CN201210568627.8A CN103014371B (en) | 2012-12-24 | 2012-12-24 | Copper matte bottom blowing converting process and copper matte bottom blowing converting furnace |
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| CN103014371B true CN103014371B (en) | 2014-02-19 |
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| CN (1) | CN103014371B (en) |
| CL (1) | CL2015000351A1 (en) |
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- 2013-12-17 WO PCT/CN2013/089731 patent/WO2014101688A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| RU2647418C2 (en) | 2018-03-15 |
| WO2014101688A1 (en) | 2014-07-03 |
| RU2015119158A (en) | 2017-01-26 |
| CN103014371A (en) | 2013-04-03 |
| CL2015000351A1 (en) | 2015-05-15 |
| PE20151176A1 (en) | 2015-08-09 |
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