CN203112905U - Copper matte bottom blowing device - Google Patents
Copper matte bottom blowing device Download PDFInfo
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- CN203112905U CN203112905U CN2012207218583U CN201220721858U CN203112905U CN 203112905 U CN203112905 U CN 203112905U CN 2012207218583 U CN2012207218583 U CN 2012207218583U CN 201220721858 U CN201220721858 U CN 201220721858U CN 203112905 U CN203112905 U CN 203112905U
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- copper matte
- matte regulus
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- bottom blowing
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Abstract
The utility model discloses a copper matte bottom blowing device. The copper matte bottom blowing device comprises a furnace body, a copper matte package and a bottom blowing spray gun, wherein a furnace chamber is arranged in the furnace body; the furnace body is provided with a feeding port which is used for adding materials including copper matte into the furnace chamber, a slag discharging port which is used for discharging blowing slag, a blister copper discharging port which is used for discharging blister copper, a smoke outlet which is used for discharging smoke and a spray gun insertion hole which is arranged at the bottom of the furnace body; the copper matte package is used for adding liquid copper matte into the furnace chamber; and the bottom blowing spray gun is inserted into the spray gun insertion hole to continuously blow oxygen-containing gas into melt in the furnace chamber. According to the copper matte bottom blowing device provided by the utility model, the continuous blowing of the copper matte can be realized, the less smoke is generated, the SO2 concentration is stable, the environmental protection property is good, the efficiency is high, and the production costs of the blister copper and the sulfuric acid are low.
Description
Technical field
The utility model relates to technical field of non-ferrous metallurgy, especially relates to copper matte regulus bottom blowing blowing device.
Background technology
The metallurgical method of copper is divided into pyrogenic process and wet method, the technical process of copper smelting by pyrometallurgy mainly is to obtain copper ore concentrates after the copper sulfide concentrate flotation, in electric furnace, flash stove and other smelting furnaces, carry out melting then and obtain copper matte regulus, copper matte regulus obtains blister copper through blowing, the blister copper pyrorefining obtains anode copper, carries out electrorefining then and obtains electrolytic copper.At present, the PS converter is adopted in the blowing of copper matte regulus usually, and liquid copper matte regulus joins in the PS converter, from the oxygen blast of PS converter sidepiece, obtains blister copper and blowing slag.After one batch copper matte regulus blowing is finished, discharge blister copper and blowing slag, the copper matte regulus that adds next batch then blows.PS converter installation low vacancy pollution is serious, can only be interrupted operation, and efficient is low, the flue gas instability, and operating rate is low, and flue gas contains SO
2Concentration is low, flue gas processing cost height, and PS converter operating rate is low, and the stove life-span is short.
The utility model content
The utility model one of is intended to solve the problems of the technologies described above at least to a certain extent or provides a kind of useful commerce to select at least.
For this reason, a purpose of the present utility model is to propose a kind of copper matte regulus bottom blowing blowing device, utilizes this copper matte regulus bottom blowing blowing device, can realize the continuous converting of copper matte regulus, and the exhaust gas volumn of generation is few, compares flue gas with the PS converter and contains SO
2Concentration is higher and stable, good operational environment, and environmental protection is good, the efficient height, blister copper and gas washing in SA production cost are low.
To achieve these goals, according to the utility model proposes a kind of copper matte regulus bottom blowing blowing device, described copper matte regulus bottom blowing blowing device comprises: body of heater, have furnace chamber in the described body of heater, described body of heater have for the charging opening that in described furnace chamber, adds the material comprise copper matte regulus, be used for discharging blowing slag slag-drip opening, be used for discharging the blister copper discharge outlet of blister copper, the spray gun jack that is used for discharging the smoke outlet of flue gas and is located at the bottom of described body of heater; Be used for liquid copper matte regulus is joined copper matte regulus bag in the described furnace chamber; Be inserted in the described spray gun jack to be blown into the bottom blowing spray gun of oxygen-containing gas in the melt in described furnace chamber continuously.
According to copper matte regulus bottom blowing blowing device of the present utility model, be blown into oxygen-containing gas continuously by utilizing in the melt of bottom blowing spray gun in from the bottom of described copper matte regulus bottom blowing blowing device to copper matte regulus bottom blowing blowing device, can realize the continuous converting of copper matte regulus, the exhaust gas volumn of generation is few, concentration stabilize, environmental protection is good, the efficient height, cost is low, handles copper matte regulus efficient height, blister copper quality height, cupric reduces in the blowing slag.
Preferably, described charging opening comprises for first charging opening that adds copper matte regulus and flux in described furnace chamber with for second charging opening that adds anode scrap copper and/or useless composition brass in described furnace chamber.
Preferably, described charging opening and described smoke outlet share an opening.Can reduce the open amount of described copper matte regulus bottom blowing blowing device thus, reduce difficulty of processing, improve sealing property, reduce the inleakage of body of heater, environmental-protecting performance further improves.
Preferably, described bottom blowing spray gun is blown into described oxygen-containing gas in the blister copper layer of described melt continuously.
Preferably, described bottom blowing spray gun is blown into described oxygen-containing gas in the copper matte regulus layer of described melt continuously.
Preferably, link to each other that described liquid copper matte regulus is directly poured in the described furnace chamber by the charging opening of described body of heater between described copper matte regulus bag and the described charging opening.
Preferably, described copper matte regulus bottom blowing blowing device also comprises with described body of heater and links to each other to be used for the liquid copper matte regulus in the described copper matte regulus bag of admittance with described copper matte regulus bag and described liquid copper matte regulus joined chute in the described furnace chamber.
Preferably, described copper matte regulus bottom blowing blowing device also comprises and links to each other to admit the liquid copper matte regulus that described copper matte regulus bag pours into and the insulation bag that is incubated with described copper matte regulus bag and link to each other to admit the copper matte regulus in the described insulation bag with described body of heater and described copper matte regulus joined chute in the described furnace chamber with described insulation.
Preferably, described body of heater is rotating cylindrical horizontal container.By rotating, can be convenient for changing the bottom blowing spray gun.
Preferably, described bottom blowing spray gun is arranged in below the horizontal center line of described body of heater.
Preferably, the angle α between described bottom blowing spray gun and the direction straight up spends to the scopes of+120 degree-120.
Preferably, the angle α between described bottom blowing spray gun and the direction straight up spends to the scopes of+60 degree-60.
Preferably, the angle α between described bottom blowing spray gun and the direction straight up spends to the scopes of+30 degree-30.
Preferably, the angle α between described bottom blowing spray gun and the direction straight up spends to the scopes of+20 degree-20.
Preferably, described bottom blowing spray gun and be orthogonal to angle β between the axial direction of described copper matte regulus bottom blowing blowing device at-30 degree to the scopes of+30 degree.
Preferably, described bottom blowing spray gun and the angle β that is orthogonal between the axial direction of described copper matte regulus bottom blowing blowing device are 0 degree.
Preferably, be provided with first watercooling jacket or gas permeable brick between the periphery of described bottom blowing spray gun and the described body of heater.Can further prolong the work-ing life of described bottom blowing spray gun thus.
Preferably, the slag blanket zone of described copper matte regulus bottom blowing blowing device is provided with second watercooling jacket.Can further prolong the work-ing life of copper matte regulus bottom blowing blowing device thus.
Preferably, described first and second watercooling jackets are copper water jacket.Copper water jacket has advantages such as good cooling results, long service life.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the copper matte regulus bottom blowing blowing schematic representation of apparatus according to an embodiment of the utility model;
Fig. 2 is the transverse sectional view according to the body of heater of the copper matte regulus bottom blowing blowing device of an embodiment of the utility model;
Fig. 3 is the transverse sectional view according to the body of heater of the copper matte regulus bottom blowing blowing device of another embodiment of the utility model;
Fig. 4 is the synoptic diagram according to the projection on perpendicular of the copper matte regulus bottom blowing blowing device of an embodiment of the utility model;
Fig. 5 is the copper matte regulus bottom blowing blowing schematic representation of apparatus according to another embodiment of the utility model;
Fig. 6 is the schema according to the operating process of the copper matte regulus bottom blowing blowing device of an embodiment of the utility model.
Copper matte regulus bottom blowing blowing device 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 spray gun 20, bracket 30, backing ring 40, gear ring 50, drive unit 60, copper matte regulus bag 70, chute 80, insulation bag 90, 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 embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center "; " vertically "; " laterally "; " length "; " width "; " thickness ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", close the orientation of indications such as " counterclockwise " or position is based on orientation shown in the drawings or position relation, only be the utility model and simplification description for convenience of description, 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 restriction of the present utility model.
In addition, term " first ", " second " only are used for describing purpose, 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 present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand the concrete implication of above-mentioned term in the utility model as the case may be.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, first feature second feature it " on " or D score can comprise that first and second features directly contact, can comprise that also first and second features are not directly contacts but by the contact of the additional features between them.And, first feature second feature " on ", " top " and " above " comprise first feature directly over second feature and oblique upper, or only represent that the first characteristic level height is higher than second feature.First feature second feature " under ", " below " and " below " comprise first feature under second feature and tiltedly, or only represent that the first characteristic level height is less than second feature.
Below with reference to the copper matte regulus bottom blowing blowing device of Fig. 1-5 description according to the utility model embodiment.As shown in Figure 1, the copper matte regulus bottom blowing blowing device 1 according to the utility model embodiment comprises body of heater 10, copper matte regulus bag 70 and bottom blowing spray gun 20.
Have furnace chamber 101 in the body of heater 10, body of heater 10 have for the charging opening 102 that in furnace chamber 101, adds the material that comprises copper matte regulus, be used for discharging blowing slag slag-drip opening 103, be used for discharging the blister copper discharge outlet 104 of blister copper, the spray gun jack 106 that is used for discharging the smoke outlet 105 of flue gas and is located at body of heater 10 bottoms.Copper matte regulus bag 70 is used for liquid copper matte regulus is joined in the body of heater 10.Bottom blowing spray gun 20 is inserted in the spray gun jack 106, for being blown into oxygen-containing gas continuously in the melt in furnace chamber 101.
Copper matte regulus bottom blowing blowing device according to the utility model embodiment, can blow to copper matte regulus by the bottom blowing oxygen-containing gas, good environmental protection is polluted and is reduced, and the exhaust gas volumn of generation is few, concentration stabilize, blister copper quality height, blowing slag cupric is few, can handle the copper matte regulus of various smelting furnace outputs, can serialization blow, efficient improves.
Materials to furnace chamber 101 interior addings can be liquid copper matte regulus and flux, preferably, can also add anode scrap copper and/or useless composition brass by charging opening 102, thereby need not to be equipped with the equipment of the useless composition brass of fusing and anode scrap copper, reduce investment, energy consumption and blowing cost, further enlarged the technology scope of application.
Copper matte regulus bag 70 is used for described liquid copper matte regulus is directly poured in the body of heater 10 by the charging opening 102 of body of heater 10.Alternatively, charging opening 102 can be divided into for adding first charging opening of liquid copper matte regulus and flux and be used for to furnace chamber 101 interior second charging openings that add anode scrap copper and/or useless composition brass in furnace chamber 101.More specifically, first charging opening can be divided into copper matte regulus charging opening and flux charging opening again, and 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 the open amount of body of heater 10 thus, reduces manufacturing cost.Alternatively, smoke outlet 105 can be with any one shares an opening in first and second charging openings, perhaps smoke outlet 105 can with in copper matte regulus charging opening, flux charging opening, anode scrap charging opening and the useless composition brass charging opening any one or a plurality ofly share an opening.
In preferred embodiment of the present utility model, as shown in Figure 5, copper matte regulus bottom blowing blowing device 1 can also comprise chute 90, and chute 90 links to each other with copper matte regulus bag 70 with body of heater 10, and copper matte regulus bag 70 can be used for that described liquid copper matte regulus is added 90 through described chute and go in body of heater 10.Advantageously, copper matte regulus bottom blowing blowing device 1 can also comprise insulation bag 80 and chute 90, chute 90 links to each other with body of heater 10, insulation bag 80 links to each other with chute 90, copper matte regulus bag 70 links to each other with the insulation bag, the liquid copper matte regulus that insulation bag 80 can be used for copper matte regulus bag 70 is poured into is incubated, and is used for being incubated the copper matte regulus of bag 80 in chute 90 joins body of heater 10.In this example, charging opening 102 is located at the end of body of heater 10, certainly, be understandable that, the smoke outlet 105 that is located at body of heater 10 tops still can be used as charging opening, and for example as second charging opening of anode scrap copper and/or useless composition brass, and the charging opening 102 that is located at the end can be used as first charging opening.Here, link to each other and should make broad understanding, for example chute 90 links to each other with insulation bag 80 and refers to that the copper matte regulus that are incubated in the bag 80 can pour in the chute 90, and as shown in Figure 5, insulation is wrapped 80 and can be positioned at above the chute 90.Equally, copper matte regulus bag 70 links to each other with insulation bag 80 and refers to that copper matte regulus in the copper matte regulus bag 70 can pour insulation into and wrap in 80, as shown in Figure 5, copper matte regulus bag 70 can be transported to the insulation side of wrapping, certainly, after the copper matte regulus in the copper matte regulus bag 70 was poured into insulation bag 80, copper matte regulus bag 70 can be removed.
Utilizing copper matte regulus bag 70 to join liquid copper matte regulus in the copper matte regulus bottom blowing blowing device 1 can be one of following manner:
Copper matte regulus in the copper matte regulus bag 70 is directly poured in the copper matte regulus bottom blowing blowing device 1 by the charging opening 102 of copper matte regulus bottom blowing blowing device 1;
With the copper matte regulus in the copper matte regulus bag 70 in chute 90 joins copper matte regulus bottom blowing blowing device 1; With
Pour the copper matte regulus in the copper matte regulus bag 70 into insulation bag 80, will be incubated copper matte regulus in the bag 80 then and join the copper matte regulus bottom blowing through chute 90 and blow in the device 1.
As shown in Figure 1, in embodiment more of the present utility model, 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 spaced apartly, it will be appreciated that, the term bottom here should be made broad understanding, comprises the following any suitable position of horizontal center line X of body of heater 10, preferably, spray gun below will more detailed description near under the body of heater 10.Bottom blowing spray gun 20 can be that a plurality of and a plurality of bottom blowing spray guns 20 can be inserted into respectively in a plurality of spray gun jacks 106 accordingly, that is, a bottom blowing spray gun 20 can be inserted in the spray gun jack 106.Oxygen-containing gas can be blown in the blister copper layer C1 more equably thus, thereby further improve the quality of blister copper.Here, oxygen-containing gas should be done broad understanding, for example comprises pure oxygen, oxygen rich gas and contain oxygen air etc.Preferably, oxygen-containing gas is oxygen-rich air, and for example oxygen concentration is at the oxygen-rich air more than 70%.Bottom blowing spray 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 present utility model, body of heater 10 can be rotating cylindrical horizontal container.By rotating furnace 10, can change and keep in repair bottom blowing spray gun 20 easily, and the melt in the time emptying furnace chamber 101 that needs repairing.
As shown in Figure 1, copper matte regulus bottom blowing blowing device 1 further comprises bracket 30, backing ring 40, gear ring 50 and drive unit 60.Backing ring 40 is set on the body of heater 10 and rotatably is supported on the bracket 30.Gear ring 50 is set on the outside surface of body of heater 10.Drive unit 60 links to each other with gear ring 50, to drive body of heater 10 rotations by driving gear ring 50 rotations.Drive unit 60 for example can comprise motor, and the speed reduction unit that links to each other 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 and rotate.Body of heater 10 rotates at bracket 30 under the drive of gear ring 50, because body of heater 10 can rotate, is convenient to change bottom blowing spray gun 20 and other operations.
Shown in Fig. 2 and 3, the angle α between bottom blowing spray gun 20 and the direction straight up can be at-120 degree to the scope of+120 degree, and namely-120 degree≤α≤+ 120 are spent.In other words, the angle between the emission direction of bottom blowing spray gun 20 and the direction is straight up spent to the scopes of+120 degree-120.Shown in Fig. 2 and 3, from the blowing direction of bottom blowing spray gun 20 in the counterclockwise direction to the angle α of straight up direction for just, from the blowing direction of bottom blowing spray gun 20 along clockwise direction to the angle α of straight up direction for negative.
More specifically, the angle α between bottom blowing spray gun 20 and the direction straight up can be at-60 degree to the scope of+60 degree, and namely-60 degree≤α≤+ 60 are spent.Advantageously, to the scope of+30 degree, namely-30 spend by degree≤α≤+ 30 at-30 degree for the angle between bottom blowing spray gun 20 and the direction straight up.Preferably, to the scope of+20 degree, namely-20 spend by degree≤α≤+ 20 at-20 degree for the angle between bottom blowing spray gun 20 and the direction straight up.Can improve the blowing effect thus.
In the utility model optional embodiment, bottom blowing spray gun 20 and be orthogonal to angle β between the axial direction (being the vertical direction among Fig. 4) of body of heater 10 at-30 degree to the scopes of+30 degree.More preferably, angle β is 0 degree, and namely bottom blowing spray gun 20 is vertically directed.
In order to improve the life-span of bottom blowing spray gun 20, be provided with gas permeable brick or first watercooling jacket between the periphery of bottom blowing spray gun 20 and the body of heater 10.Gas permeable brick can cool off and can improve the flowability of the melt in the furnace chamber 101 to bottom blowing spray gun 20, improves the blowing effect.Optionally, can in furnace chamber 101, spray nitrogen by gas permeable brick, then can cool off bottom blowing spray gun 20 better and stir melt in the furnace chamber 101 better.When watercooling jacket was set, watercooling jacket led to water coolant, and bottom blowing spray gun 20 is cooled off.
Preferably, the slag blanket zone of furnace chamber 101 is provided with second watercooling jacket.Can further prolong the work-ing life of body of heater 10 thus.Preferably, first and second watercooling jackets are copper water jacket.Than traditional molten steel cover, copper water jacket has advantages such as good cooling results, long service life.
According to the utility model preferred embodiment, bottom blowing spray gun 20 is blown into oxygen-containing gas in the copper matte regulus layer C2 of melt continuously, and more preferably, bottom blowing spray gun 20 is blown into oxygen-containing gas in the blister copper layer C1 of melt continuously, can describe beneficial technical effects in detail below.
According to the copper matte regulus bottom blowing of the utility model embodiment blowing device, the copper matte regulus that can obtain for the treatment of various smelting furnace meltings.
In conjunction with Fig. 1-5 operating process according to the copper matte regulus bottom blowing blowing device of the utility model embodiment is described below with reference to Fig. 6.
As shown in Figure 6, the operating process according to the copper matte regulus bottom blowing of the utility model embodiment blowing device may further comprise the steps: utilize copper matte regulus bag 70 that liquid copper matte regulus is joined in the copper matte regulus bottom blowing blowing device 1; Flux is joined in the copper matte regulus bottom blowing blowing device 1; Utilize in the melt of bottom blowing spray gun 20 in from the bottom of copper matte regulus bottom blowing blowing device 1 to copper matte regulus bottom blowing blowing device 1 and be blown into oxygen-containing gas continuously; With in copper matte regulus bottom blowing blowing device 1, discharge blister copper and blowing slag respectively.
Operating process according to the copper matte regulus bottom blowing of the utility model embodiment blowing device, be blown into oxygen-containing gas continuously by utilizing in the melt of bottom blowing spray gun in from the bottom of described copper matte regulus bottom blowing blowing device to copper matte regulus bottom blowing blowing device, can realize continuous converting, raise the efficiency, reduce cost, and exhaust gas volumn is few, and flue gas concentration is stable, and flue gas is overflowed few, good environmental protection, reduced pollution, blister copper quality height, copper content reduces in the blowing slag.
It will be appreciated that, be blown into oxygen-containing gas continuously in the furnace chamber 101 to refer to: during ordinary production, uninterruptedly blow oxygen-containing gas continuously, can avoid damaging bottom blowing spray gun 20, certainly, when copper matte regulus bottom blowing blowing device was made a fault or normally keeped in repair, bottom blowing spray gun 20 also needed to stop to blow.
Compare with the traditional PS converter oxygen that periodically blows side, the unit time air output reduces, and the unit time exhaust gas volumn is little, Heat stability is good, and cost and energy consumption are low, the efficient height.
In embodiment more of the present utility model, in bottom blowing spray gun 20 is blown into copper matte regulus layer C2 in the furnace chamber 101 with oxygen-containing gas continuously from the bottom of body of heater 10.By in copper matte regulus layer C2, being blown into oxygen-containing gas continuously, 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 spray gun 20.
Advantageously, in bottom blowing spray gun 20 is blown into blister copper layer C1 in the furnace chamber 101 with oxygen-containing gas 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 the blister copper metal lines, copper matte regulus metal line and slag blanket metal line under the situation of three-phase coexistence, are conducive to reduce slag cupric and security and improve.In other embodiment of the application, can make that the melt in the converting furnace exists with blister copper and blowing slag two-phase by the accurate control to inlet amount and blowing oxygen quantity, there is not or almost do not have copper matte regulus layer (or claiming copper-nickel alloy sulfonium layer).For example in these embodiment of the present utility model, by accurately controlling the amount ratio of copper matte regulus and oxygen-containing gas (oxygen amount), melt in the furnace chamber 101 also can be two portions (two-phase), blister copper layer C1 and blowing slag blanket C3, be that copper matte regulus enters in the furnace chamber 101 and namely is blister copper and blowing slag by blowing, under the situation of two-phase coexistent, blister copper quality height, impurity is low.By this control, can further improve the blowing effect, further reduce the sulphur content of blister copper and the content of other impurity (for example arsenic, antimony, bismuth, lead etc.).Owing to can accurately control the amount ratio of copper matte regulus and oxygen-containing gas, thereby can avoid too much causing the blister copper peroxidation and forming foamy slag because oxygen-containing gas sprays into, can also avoid containing more impurity (for example arsenic, antimony, bismuth, lead etc.) so that subsequent disposal because oxygen-containing gas sprays into the very few blister copper that causes.
The beneficial effect that blows oxygen-containing gas in the blister copper layer is: in described copper matte regulus bottom blowing blowing device, blister copper layer C1 is positioned at copper matte regulus layer C2 below, by oxygen-containing gas being blown into continuously blister copper layer C1, described bottom blowing spray gun need not to pass blister copper layer C1, can improve the life-span of described bottom blowing spray gun like this.In other words, by in blister copper layer C1, being blown into oxygen-containing gas continuously, can make described bottom blowing spray gun need not to stretch into too many in the described furnace chamber (for example the length that stretches in the described furnace chamber of described bottom blowing spray gun can be less than 50 millimeters), reduced the loss of described bottom blowing spray gun, prolong the work-ing life of described copper matte regulus bottom blowing blowing device, reduce the running cost of described copper matte regulus bottom blowing blowing device.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 spray gun ejection is easy to pass copper matte regulus layer C2 and enters slag blanket, thereby cause the oxygen-containing gas waste, can reduce the consumption of oxygen-containing gas, further reduce cost.
And, by in the blister copper layer, being blown into oxygen-containing gas continuously, can make the oxygen gesture in the blister copper layer the highest, and impurity element (S, As, Sb, Bi, the Pb etc.) oxidation that will be mixed in earlier in the blister copper layer removes, thereby obtain the higher blister copper of quality.Oxygen-containing gas can also be with blister copper as carrier, with Cu
2Cu among O, CuO form and the copper matte regulus layer C2
2S, CuS reaction generates Cu and SO
2, and generate FeO, SO with FeS reaction in the copper matte regulus layer
2And Cu.The operating process of described copper matte regulus bottom blowing blowing device can reduce Fe
3O
4Growing amount, prevent Fe
3O
4The generation of precipitation and foamy slag.Because the Fe in the blowing slag
3O
4Content is low, and the viscosity of blowing slag is just low, and then can reduce Cu in the blowing slag
2The inclusion content of O (for example, the copper content of blowing slag can be less than 14%, even less than 10%).Namely by in described blister copper layer, being blown into oxygen-containing gas continuously, increase the oxygen-containing gas reaction times, improved the oxygen-containing gas utilization ratio, improved the blister copper quality.In addition, by in the blister copper layer, being blown into oxygen-containing gas continuously, 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 in described blister copper layer, being blown into oxygen-containing gas continuously, 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 blowing device, reduce refractory consumption rate and maintenance load, thereby reduced the copper metallurgy cost.And the operating process of described copper matte regulus bottom blowing blowing device can make the SO in exhaust gas volumn and the flue gas
2Stable content equilibrium, body of heater do not need frequent rotation, thereby air leak rate of air curtain is declined to a great extent, and have overcome the big shortcoming of converter discontinuous running exhaust gas volumn and smoke components fluctuation, are conducive to relieving haperacidity, have reduced the investment of sour factory and running cost.
Advantageously, behind the blister copper that in one batch copper matte regulus joins furnace chamber 101, blows out, only blister copper is discharged.New copper matte regulus is added blowing again in the furnace chamber 101, can be with the copper oxide reduction in the slag that blows for the first time, the slag cupric thereby reduction is blown.
As mentioned above, the angle α between the injection direction of bottom blowing spray gun 20 and the 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 spray gun 20 and the 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 spray gun 20 and the direction straight up spends to the scopes of+30 degree-30.Preferably, the angle α between the injection direction of bottom blowing spray gun 20 and the direction straight up spends to the scopes of+20 degree-20.Be understandable that when the volume of copper matte regulus bottom blowing blowing device 1 was big, the melt of processing was many, angle α can be greatly, otherwise angle α can be smaller, wears in order to avoid blow, and causes the oxygen-containing gas waste, the influence effect that blows.
According to an embodiment of the present utility model, described bottom blowing spray 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 an embodiment of the present utility model, described angle β is 0 degree.
Can also comprise in furnace chamber 101 according to the operating process of the copper matte regulus bottom blowing of the utility model embodiment blowing device and to add anode scrap copper and/or useless composition brasses.By in copper matte regulus bottom blowing blowing device 1, adding anode scrap copper and/or useless composition brass, need not to be equipped with the equipment of the useless composition brass of fusing and anode scrap copper, reduced investment, energy consumption and blowing cost thus, further enlarged the technology scope of application.
According to embodiment of the present utility model, described flux can be at least a in the mixture of the mixture of Wingdale, lime, quartzite, quartzite and lime and quartzite and Wingdale.The smelting slag that adopts Wingdale, lime to produce as flux is basic slag, the basic slag good fluidity, and the slag cupric is lower, but serious to lining erosion.For addressing this problem, through verification experimental verification, it is less to the erosion of furnace lining to the utility model proposes the acid slag that adopts quartzite to produce as flux, can effectively prolong the work-ing life of uninterrupted working time and bottom blowing converting furnace.But test finds that simultaneously the acid slag flowability is relatively poor, and cupric is higher in the slag that causes blowing, and is easy to generate foamy slag, influences production safety.Be to solve the problem of acid slag, the utility model proposes to adopt the mixture of the mixture of quartzite and lime or quartzite and Wingdale as the flux slag making again, and the utility model is called neutral slag with this blowing slag.Employing neutral slag can alleviate the erosion to furnace lining, can improve liquidity to a certain extent again, reduces the 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 the mode intermittent discharge by 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 the mode intermittent discharge by perforating on body of heater 10.
According to the blowing technology of the utility model embodiment, the copper content of blowing slag can be smaller or equal to 20wt%.In other words, the mass percent of the copper in the described blowing slag and described blowing slag is smaller or equal to 20%.More advantageously, the copper content of described blowing slag is smaller or equal to 15wt%, to reduce the amount of returning and the mechanical loss amount of copper in the blowing slag.
In examples more of the present utility model, the blowing temperature in the copper matte regulus bottom blowing blowing device 1 can be 1150 degrees centigrade-1300 degrees centigrade, the carrying out of keeping converting process.Advantageously, the blowing temperature in the copper matte regulus bottom blowing blowing device 1 can be 1180 degrees centigrade-1250 degrees centigrade, the carrying out of more safely keeping converting process.In addition, according to the blowing technology of the utility model embodiment, can in the blister copper layer in the copper matte regulus bottom blowing blowing device 1, spray into nitrogen, to stir melt, improve blowing effect and blister copper quality.Nitrogen is injected in the blister copper layer, can also improve the blister copper quality.
In an example of the present utility model, can cool off bottom blowing spray gun 20 by first watercooling jacket or gas permeable brick.Thus, improve the life-span of bottom blowing spray gun 20.
Operating process according to the copper matte regulus bottom blowing of the utility model embodiment blowing device and copper matte regulus bottom blowing blowing device can realize the continuous converting of copper matte regulus, and the exhaust gas volumn of generation is few, concentration stabilize, environmental protection, the blister copper quality improves, and cupric is low in the blowing slag, the efficient height, cost is low, and use range is wide.
In the description of this specification sheets, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art in scope of the present utility model, can change above-described embodiment under the situation that does not break away from principle of the present utility model and aim, modification, replacement and modification.
Claims (19)
1. a copper matte regulus bottom blowing blowing device is characterized in that, comprising:
Body of heater, have furnace chamber in the described body of heater, described body of heater have for the charging opening that in described furnace chamber, adds the material comprise copper matte regulus, be used for discharging blowing slag slag-drip opening, be used for discharging the blister copper discharge outlet of blister copper, the spray gun jack that is used for discharging the smoke outlet of flue gas and is located at the bottom of described body of heater;
Be used for liquid copper matte regulus is joined copper matte regulus bag in the described furnace chamber; With
Be inserted in the described spray gun jack to be blown into the bottom blowing spray gun of oxygen-containing gas in the melt in described furnace chamber continuously.
2. copper matte regulus bottom blowing blowing device according to claim 1 is characterized in that, described charging opening comprises for first charging opening that adds copper matte regulus and flux in described furnace chamber with for second charging opening that adds anode scrap copper and/or useless composition brass in described furnace chamber.
3. copper matte regulus bottom blowing blowing device according to claim 1 is characterized in that described charging opening and described smoke outlet share an opening.
4. copper matte regulus bottom blowing blowing device according to claim 1 is characterized in that described bottom blowing spray gun is blown into described oxygen-containing gas in the blister copper layer of described melt continuously.
5. copper matte regulus bottom blowing blowing device according to claim 1 is characterized in that described bottom blowing spray gun is blown into described oxygen-containing gas in the copper matte regulus layer of described melt continuously.
6. copper matte regulus bottom blowing according to claim 1 blowing device is characterized in that, links to each other that described liquid copper matte regulus is directly poured in the described furnace chamber by the charging opening of described body of heater between described copper matte regulus bag and the described charging opening.
7. copper matte regulus bottom blowing according to claim 1 blowing device, it is characterized in that described copper matte regulus bottom blowing blowing device also comprises with described body of heater and links to each other to be used for the liquid copper matte regulus in the described copper matte regulus bag of admittance with described copper matte regulus bag and described liquid copper matte regulus joined chute in the described furnace chamber.
8. copper matte regulus bottom blowing according to claim 1 blowing device, it is characterized in that described copper matte regulus bottom blowing blowing device also comprises and links to each other to admit the liquid copper matte regulus that described copper matte regulus bag pours into and the insulation bag that is incubated with described copper matte regulus bag and link to each other to admit the copper matte regulus in the described insulation bag with described body of heater and described copper matte regulus joined chute in the described furnace chamber with described insulation.
9. copper matte regulus bottom blowing blowing device according to claim 1 is characterized in that described body of heater is rotating cylindrical horizontal container.
10. copper matte regulus bottom blowing blowing device according to claim 1 is characterized in that described bottom blowing spray gun is located at below the horizontal center line of described body of heater.
11. copper matte regulus bottom blowing blowing device according to claim 1 is characterized in that the angle α between described bottom blowing spray gun and the direction straight up spends to the scopes of+120 degree-120.
12. copper matte regulus bottom blowing blowing device according to claim 11 is characterized in that the angle α between described bottom blowing spray gun and the direction straight up spends to the scopes of+60 degree-60.
13. copper matte regulus bottom blowing blowing device according to claim 12 is characterized in that the angle α between described bottom blowing spray gun and the direction straight up spends to the scopes of+30 degree-30.
14. copper matte regulus bottom blowing blowing device according to claim 13 is characterized in that the angle α between described bottom blowing spray gun and the direction straight up spends to the scopes of+20 degree-20.
15. copper matte regulus bottom blowing according to claim 1 blowing device is characterized in that, the angle β between described bottom blowing spray gun and the axial direction that is orthogonal to described copper matte regulus bottom blowing blowing device at-30 degree to+30 scopes of spending.
16. copper matte regulus bottom blowing according to claim 15 blowing device is characterized in that, described bottom blowing spray gun and angle β between the axial direction that is orthogonal to described copper matte regulus bottom blowing blowing device 0 spend.
17. according to each described copper matte regulus bottom blowing blowing device among the claim 1-16, it is characterized in that, be provided with first watercooling jacket or gas permeable brick between the periphery of described bottom blowing spray gun and the described body of heater.
18. copper matte regulus bottom blowing blowing device according to claim 17 is characterized in that the slag blanket zone of described copper matte regulus bottom blowing blowing device is provided with second watercooling jacket.
19. copper matte regulus bottom blowing blowing device according to claim 18 is characterized in that described first and second watercooling jackets are copper water jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207218583U CN203112905U (en) | 2012-12-24 | 2012-12-24 | Copper matte bottom blowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207218583U CN203112905U (en) | 2012-12-24 | 2012-12-24 | Copper matte bottom blowing device |
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| Publication Number | Publication Date |
|---|---|
| CN203112905U true CN203112905U (en) | 2013-08-07 |
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ID=48893272
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207218583U Expired - Lifetime CN203112905U (en) | 2012-12-24 | 2012-12-24 | Copper matte bottom blowing device |
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| Country | Link |
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| CN (1) | CN203112905U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468971A (en) * | 2013-08-29 | 2013-12-25 | 中国恩菲工程技术有限公司 | Bottom blowing or side blowing metallurgical furnace for treating scrap copper |
| CN104046794A (en) * | 2014-05-13 | 2014-09-17 | 中国恩菲工程技术有限公司 | Bottom blowing tin smelting device |
| CN105986128A (en) * | 2016-07-05 | 2016-10-05 | 中国恩菲工程技术有限公司 | Thermal state copper and sulfur blowing device |
| CN105987614A (en) * | 2016-07-05 | 2016-10-05 | 中国恩菲工程技术有限公司 | Environment-friendly converter suitable for thermal state copper and sulfur treatment |
| CN105986127A (en) * | 2016-07-05 | 2016-10-05 | 中国恩菲工程技术有限公司 | Thermal state copper and sulfur blowing device |
| CN112577314A (en) * | 2020-11-02 | 2021-03-30 | 蒋昊昀 | Copper matte continuous converting horizontal converter |
| CN113930627A (en) * | 2021-09-28 | 2022-01-14 | 中国恩菲工程技术有限公司 | Method and apparatus for producing nickel matte |
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2012
- 2012-12-24 CN CN2012207218583U patent/CN203112905U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468971A (en) * | 2013-08-29 | 2013-12-25 | 中国恩菲工程技术有限公司 | Bottom blowing or side blowing metallurgical furnace for treating scrap copper |
| CN104046794A (en) * | 2014-05-13 | 2014-09-17 | 中国恩菲工程技术有限公司 | Bottom blowing tin smelting device |
| CN105986128A (en) * | 2016-07-05 | 2016-10-05 | 中国恩菲工程技术有限公司 | Thermal state copper and sulfur blowing device |
| CN105987614A (en) * | 2016-07-05 | 2016-10-05 | 中国恩菲工程技术有限公司 | Environment-friendly converter suitable for thermal state copper and sulfur treatment |
| CN105986127A (en) * | 2016-07-05 | 2016-10-05 | 中国恩菲工程技术有限公司 | Thermal state copper and sulfur blowing device |
| CN105986127B (en) * | 2016-07-05 | 2018-07-20 | 中国恩菲工程技术有限公司 | Hot Copper Matte Converting device |
| CN105986128B (en) * | 2016-07-05 | 2018-07-20 | 中国恩菲工程技术有限公司 | Hot Copper Matte Converting device |
| CN105987614B (en) * | 2016-07-05 | 2019-02-26 | 中国恩菲工程技术有限公司 | Environmentally friendly converter suitable for the processing of hot copper matte regulus |
| CN112577314A (en) * | 2020-11-02 | 2021-03-30 | 蒋昊昀 | Copper matte continuous converting horizontal converter |
| CN112577314B (en) * | 2020-11-02 | 2023-01-10 | 通化建新科技有限公司 | Copper matte continuous converting horizontal converter |
| CN113930627A (en) * | 2021-09-28 | 2022-01-14 | 中国恩菲工程技术有限公司 | Method and apparatus for producing nickel matte |
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Granted publication date: 20130807 |