CN110484749A - A kind of process of the smart furnace production anode copper of fire - Google Patents
A kind of process of the smart furnace production anode copper of fire Download PDFInfo
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- CN110484749A CN110484749A CN201910711837.XA CN201910711837A CN110484749A CN 110484749 A CN110484749 A CN 110484749A CN 201910711837 A CN201910711837 A CN 201910711837A CN 110484749 A CN110484749 A CN 110484749A
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The present invention provides a kind of process of smart furnace production anode copper of fire, belongs to nonferrous metallurgy field；Fiery essence furnace is after completing upper heat anode copper casting operation, furnace body is in security bit, retain a certain amount of anode copper liquid in furnace, the hot matte of cupric 75-78w% is led sulfonium pipe and is entered in fiery smart furnace, when matte additional amount reaches the 5-8w% of anode weight of copper in furnace, blend melt is blister copper phase in furnace at this time, start to be passed through oxygen rich gas into furnace, and fiery smart furnace is rotated to producing position, by the addition rate and oxygen rich gas intake that are precisely controlled matte, fiery essence furnace is directly entered the oxidation stage of blister copper pyro-refining process, and blister copper phase cupric remains at 97.5w% or more, after melt level reaches 300mm under center line in fiery smart furnace, stop matte being added, it then begins to gradually cut natural gas and nitrogen, it completes final oxidation stage and enters reduction period, final directly output anode copper , and anode plate of casting；The present invention realizes the smelting of the step from matte to anode copper, eliminates the blowing process of traditional sense, has many advantages, such as short process, cleaning, energy conservation, efficient and extension furnace longevity.
Description
Technical field
The present invention relates to technical field of non-ferrous metallurgy, and in particular to a kind of process of the smart furnace production anode copper of fire.
Background technique
Copper metallurgy technique under the prior art is all by blowing, refining two sections of completions from matte to anode plate, and such as blow process
Used PS converter, flash converting furnace, top blast converting furnace, bottom blowing converting furnace and the used rotary anode copper of refining procedure
Deng.These smelting techniques are mainly manifested in: long flow path, investment all without the limitation and deficiency that break through nonferrous metallurgy field
Greatly, low efficiency, system direct yield are low, cause the loss and waste of part resource.Simultaneously because blowing, refining are in different furnaces
In separately carry out, the utilization rate of sulphur is low, and heat loss is more, and some processes blister copper shifts transportational process SO2The loss of flue gas low latitude,
SO2Concentration in flue gas is unstable, and operating environment is poor.Therefore need further to research and develop new equipment, overcome above
Deficiency shortens production procedure, reduces production cost, cost of investment, realizes efficiently production.
Summary of the invention
To solve the problems such as generally existing production procedure of existing copper smelting method is long, complicated for operation, production efficiency is low, this
Invention provides a kind of process of smart furnace production anode copper of fire, and specific technical solution is as follows:
A kind of process of the smart furnace production anode copper of fire, fire essence furnace is after completing upper heat anode copper casting operation, in furnace
Still retain a certain amount of anode copper liquid, furnace body is allowed to be transferred to security bit, the hot matte of cupric 75-78w% is led sulfonium pipe and enters fiery essence
In furnace；When hot matte additional amount reaches the 5-8w% of anode weight of copper in furnace, blend melt is blister copper phase in furnace, is turned at this time
Smart furnace get angry to position is produced, keeps hot matte that rate is added, starts simultaneously at and be passed through oxygen rich gas into furnace, at this point, work in furnace
Condition is in the oxidation stage of blister copper pyro-refining process；By being precisely controlled the addition rate and oxygen rich gas intake of matte, fire
The matte that smart furnace enters is acted on oxygen in time, remains that melt is blister copper phase and slag phase in furnace, and blister copper phase cupric is always
It is maintained at 97.5w% or more；When melt level reaches 300mm under center line in fiery smart furnace, stopping is added hot matte, then opens
Beginning gradually cuts natural gas, and adjusts oxygen rich gas concentration, and it is 2.0~2.5 that control, which is passed through total oxygen and the volume ratio of natural gas,
It is consistent when the volume of gas amount being passed through is with heating state matte, after completing final oxidation stage, rotates the smart furnace of fire and extremely pacify
Clinker is discharged in full position, and then for the smart furnace of rotation fire to position is produced, it is 1.0~1.3 that adjustment, which is passed through total oxygen and the volume ratio of natural gas,
Into reduction period, it is consistent when the volume of gas amount being passed through is with heating state matte, final directly output anode copper, and cast
Anode plate；Anode plate cupric 99.3w%.
Retaining the amount of upper heat anode copper in the smart furnace furnace of fire is 90 ~ 300t, is preferably 180 ~ 200t.
While hot matte is added, it can be added in the high-grades cold burden such as solid-state matte, copper scap, anode scrap in fire essence furnace
It is one or more.
The temperature of melt maintains 1180~1250 DEG C in fiery essence furnace.
The oxygen rich gas is the mixture of air, oxygen and nitrogen, is fed in furnace by the oxygen rifle of bottom of furnace body.
Total oxygen demand and the ratio of hot matte additional amount are 135~145Nm in the oxygen rich gas3/t。
When the smart furnace bottom oxygen rifle of fire is turned to above the horizon, fire essence furnace is security bit；Fiery essence furnace bottom oxygen rifle turns
When moving to bottom and furnace body center vertical line in 10-20 ° of angle, fire essence furnace is made a living presentation.
The oxygen concentration of the oxygen rich gas is 21-30v%.
Described device specifically: a kind of process of the smart furnace production anode copper of fire, the smart furnace of fire is horizontal cylinder knot
Structure, furnace body can rotate about the axis thereof, and shell is steel plate, inner lining refractory；The smart furnace of fire be provided with hot matte entrance,
Anode copper outlet, slag-drip opening, oxygen rifle, smoke outlet and driving motor；The hot matte entrance is connected with sulfonium pipe is led, and is located at furnace body
End center region；The anode copper outlet is located at side lower part when furnace body is in security bit；Positioned at two rows of oxygen rifles of bottom of furnace body
Oxygen rich gas or reducing gas are provided into furnace in due course.
The oxygen rifle can realize being passed through, switching for four kinds of gases according to the technological requirements, and outer layer is passed through nitrogen/natural gas, interior
Layer is passed through oxygen/air, and the flow control of gas is controlled by control system.
It compares with the prior art, beneficial effects of the present invention are as follows:
(1) process is short, high-efficient, and fire essence furnace is directly entered the oxidation stage of blister copper pyro-refining from production at the very start, saves
The blowing process of traditional sense realizes the function that matte directly refines production anode copper, high-efficient；
(2) clean energy-saving, relative to existing matte and blister copper packet conveyer method, leading sulfonium pipe reduces the loss of matte flue gas and heat
Loss, and blowing process is saved, reduce the loss and heat loss of blister copper flue gas.
Detailed description of the invention
Fig. 1 is overall structure diagram provided by the invention.
Fig. 2 is security bit structural schematic diagram provided by the invention.
Fig. 3 is production position provided by the invention sectional view.
Wherein: 1 being furnace body, 2 be hot matte entrance, 3 be anode copper outlet, 4 be slag-drip opening, 5 be oxygen rifle, 6 be smoke evacuation
Mouth, 7 are driving motor.
Specific embodiment
With reference to the accompanying drawing, to a kind of embodiment progress of the process of the smart furnace production anode copper of fire provided by the invention
Description.
A kind of process of the smart furnace production anode copper of fire, it is characterised in that: fire essence furnace completes upper heat anode copper
Still retain a certain amount of anode copper liquid after casting operation, in furnace, furnace body 1 is allowed to be transferred to security bit, the hot matte of cupric 75-78w%
Sulfonium pipe is led to enter in fiery smart furnace；When hot matte additional amount reaches the 5-8w% of anode weight of copper in furnace, blend melt in furnace
For blister copper phase, the smart furnace of rotation fire keeps hot matte that rate is added, starts simultaneously at and be passed through oxygen rich air into furnace to position is produced at this time
Body, at this point, inner operating is in the oxidation stage of blister copper pyro-refining process；By being precisely controlled the addition rate of matte and oxygen-enriched
Gas intake, the matte that fire essence furnace enters are acted on oxygen in time, remain that melt is blister copper phase and slag phase in furnace, and thick
Copper phase cupric remains at 97.5w% or more；When melt level reaches 300mm under center line in fiery smart furnace, stopping is added hot
Matte then begins to gradually cut natural gas, and adjusts oxygen rich gas concentration, and control is passed through the volume ratio of total oxygen and natural gas
It is 2.0~2.5, is consistent when the volume of gas amount being passed through is with heating state matte, after completing final oxidation stage, rotation
Clinker is discharged in fiery essence furnace to security bit, and then the smart furnace of rotation fire is passed through the volume ratio of total oxygen and natural gas to position, adjustment is produced
Enter reduction period for 1.0~1.3, is consistent when the volume of gas amount being passed through is with heating state matte, final directly output sun
Pole copper, and anode plate of casting；Anode plate cupric 99.3w%.
Retaining the amount of upper heat anode copper in the smart furnace furnace of fire is 90 ~ 300t, is preferably 180 ~ 200t.
While hot matte is added, it can be added in the high-grades cold burden such as solid-state matte, copper scap, anode scrap in fire essence furnace
It is one or more.
The temperature of melt maintains 1180~1250 DEG C in fiery essence furnace.
The oxygen rich gas is the mixture of air, oxygen and nitrogen, is fed in furnace by the oxygen rifle 5 of 1 bottom of furnace body.
Total oxygen demand and the ratio of hot matte additional amount are 135~145Nm in the oxygen rich gas3/t。
When the smart furnace bottom oxygen rifle 5 of fire is turned to above the horizon, fire essence furnace is security bit；Fiery essence furnace bottom oxygen rifle 5
When turning to bottom and 1 center vertical line of furnace body in 10-20 ° of angle, fire essence furnace is made a living presentation.
The oxygen concentration of the oxygen rich gas is 21-30v%.
Device specifically: a kind of process of the smart furnace production anode copper of fire, fire essence furnace is horizontal cylinder structure, furnace body 1
It can rotate about the axis thereof, shell is steel plate, inner lining refractory；Fiery essence furnace is provided with hot matte entrance 2, anode copper outlet
3, slag-drip opening 4, oxygen rifle 5, smoke outlet 6 and driving motor 7；Hot matte entrance 2 is connected with sulfonium pipe is led, and is located in 1 end of furnace body
Heart district domain；Anode copper outlet 3 is located at side lower part when furnace body 1 is in security bit；Positioned at 1 bottom of furnace body two rows of oxygen rifles 5 in due course to
Oxygen rich gas or reducing gas are provided in furnace.
Oxygen rifle 5 can realize being passed through, switching for four kinds of gases according to the technological requirements, and outer layer is passed through nitrogen/natural gas, and internal layer is logical
Enter oxygen/air, the flow control of gas is controlled by control system.
Embodiment 1
Fiery essence furnace retains 100t anode copper liquid, anode copper cupric 99.3w% after completing upper heat casting in furnace.Cupric 75w%
Hot matte led sulfonium pipe and entered in fiery smart furnace, in-furnace temperature is 1180 DEG C, and it is 50t/h that speed, which is added, in matte, when hot ice
When copper additional amount reaches 6t, blend melt is blister copper, cupric 97.92w%, sulfur-bearing 1.13w% in fire essence furnace.
Oxygen rifle 5 is begun through at this time and sprays into oxygen rich gas, and oxygen rich gas is oxygen, air and nitrogen, and rotation fire is smart later
During which furnace is continuously added into matte to position is produced；Control oxygen rich gas mixing oxygen dense 25v%, total oxygen demand 7000Nm3/ h, oxygen rich air
Total oxygen demand and the Ratio control of hot matte additional amount are in 144Nm in body3/ t, fire essence furnace are directly entered blister copper pyro-refining process
Oxidation stage, melt is blister copper phase and slag phase in furnace, and blister copper phase cupric remains at 97.5w% or more.
After melt level reaches 300mm under center line in fiery smart furnace, stops hot matte and be added, then begin to gradually
Natural gas and nitrogen are cut, the volume ratio for being passed through total oxygen and natural gas is 2.2, after completing final oxidation stage, rotation fire
Clinker is discharged in smart furnace to security bit, and then the smart furnace of rotation fire is to position is produced, and adjustment is passed through total oxygen and the volume ratio of natural gas is
1.2 enter reduction period, final directly output anode copper, and anode plate of casting；Anode plate cupric 99.3w%.
Embodiment 2
Fiery essence furnace retains 90t anode copper liquid, anode copper cupric 99.3w% after completing upper heat casting in furnace；Cupric 78w%
Hot matte led sulfonium pipe and entered in fiery smart furnace, in-furnace temperature is 1200 DEG C, and it is 20t/h that speed, which is added, in matte, when hot ice
When copper additional amount reaches 8t, blend melt is blister copper, cupric 97.56w%, sulfur-bearing 1.48w% in fire essence furnace.
Oxygen rifle 5 is begun through at this time and sprays into oxygen rich gas, and oxygen rich gas is oxygen, air and nitrogen, and rotation fire is smart later
During which furnace is continuously added into matte to position is produced；Control oxygen rich gas mixing oxygen dense 28v%, total oxygen demand 2700Nm3/ h, oxygen rich air
Total oxygen demand and the Ratio control of hot matte additional amount are in 136Nm in body3/ t, fire essence furnace are directly entered blister copper pyro-refining process
Oxidation stage, melt is blister copper phase and slag phase in furnace, and blister copper phase cupric remains at 97.5w% or more.
After melt level reaches 300mm under center line in fiery smart furnace, stops hot matte and be added, then begin to gradually cut
Enter natural gas and nitrogen, the volume ratio for being passed through total oxygen and natural gas is 2.4, after completing final oxidation stage, rotates fire essence
Clinker is discharged in furnace to security bit, and then for the smart furnace of rotation fire to position is produced, it is 1.0 that adjustment, which is passed through total oxygen and the volume ratio of natural gas,
Into reduction period, final directly output anode copper, and anode plate of casting；Anode plate cupric 99.3w%.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied；All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., is all included in the scope of protection of the present invention.
Claims (8)
1. a kind of process of fiery smart furnace production anode copper, it is characterised in that: fire essence furnace is poured in the upper heat anode copper of completion
After casting operation, a certain amount of anode copper liquid is still retained in furnace, furnace body (1) is allowed to be transferred to security bit, the hot matte of cupric 75-78w%
Sulfonium pipe is led to enter in fiery smart furnace；When hot matte additional amount reaches the 5-8w% of anode weight of copper in furnace, blend melt in furnace
For blister copper phase, the smart furnace of rotation fire keeps hot matte that rate is added, starts simultaneously at and be passed through oxygen rich air into furnace to position is produced at this time
Body, at this point, inner operating is in the oxidation stage of blister copper pyro-refining process；By being precisely controlled the addition rate of matte and oxygen-enriched
Gas intake, the matte that fire essence furnace enters are acted on oxygen in time, remain that melt is blister copper phase and slag phase in furnace, and thick
Copper phase cupric remains at 97.5w% or more；When melt level reaches 300mm under center line in fiery smart furnace, stopping is added hot
Matte then begins to gradually cut natural gas, and adjusts oxygen rich gas concentration, and control is passed through the volume ratio of total oxygen and natural gas
It is 2.0~2.5, is consistent when the volume of gas amount being passed through is with heating state matte, after completing final oxidation stage, rotation
Clinker is discharged in fiery essence furnace to security bit, and then the smart furnace of rotation fire is passed through the volume ratio of total oxygen and natural gas to position, adjustment is produced
Enter reduction period for 1.0~1.3, is consistent when the volume of gas amount being passed through is with heating state matte, final directly output sun
Pole copper, and anode plate of casting；Anode plate cupric 99.3w%.
2. a kind of process of the smart furnace production anode copper of fire according to claim 1, it is characterised in that: the smart furnace of fire
The amount for retaining upper heat anode copper in furnace is 90 ~ 300t, is preferably 180 ~ 200t.
3. a kind of process of the smart furnace production anode copper of fire according to claim 1, it is characterised in that: hot being added
While matte, one of high-grades cold burden such as solid-state matte, copper scap, anode scrap or a variety of can be added in fire essence furnace.
4. a kind of process of the smart furnace production anode copper of fire according to claim 1, it is characterised in that: melted in fire essence furnace
The temperature of body maintains 1180~1250 DEG C.
5. a kind of process of the smart furnace production anode copper of fire according to claim 1, it is characterised in that: the oxygen rich air
Body is the mixture of air, oxygen and nitrogen, is fed in furnace by the oxygen rifle (5) of furnace body (1) bottom.
6. a kind of process of the smart furnace production anode copper of fire according to claim 1, it is characterised in that: the oxygen rich air
Total oxygen demand and the ratio of hot matte additional amount are 135~145Nm in body3/t。
7. a kind of process of the smart furnace production anode copper of fire according to claim 5, it is characterised in that: the smart furnace of fire
When bottom oxygen rifle (5) is turned to above the horizon, fire essence furnace is security bit；Fiery essence furnace bottom oxygen rifle (5) turns to bottom and furnace
When body (1) center vertical line is in 10-20 ° of angle, fire essence furnace is made a living presentation.
8. a kind of process of the smart furnace production anode copper of fire according to claim 5, it is characterised in that: the oxygen rich air
The oxygen concentration of body is 21-30v%.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111575499A (en) * | 2020-06-24 | 2020-08-25 | 易门铜业有限公司 | High-grade matte converting rapid mass and heat transfer system and method thereof |
| CN113063290A (en) * | 2020-01-02 | 2021-07-02 | 中国瑞林工程技术股份有限公司 | Device and method for accurately metering and treating copper-containing material |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031569A (en) * | 2012-12-19 | 2013-04-10 | 重庆重冶铜业有限公司 | Formula for crude copper refining raw materials |
| CN103045878A (en) * | 2012-12-20 | 2013-04-17 | 黄林 | Impure copper refining method for electric copper anode plate |
| CN103451448A (en) * | 2013-09-09 | 2013-12-18 | 梧州漓佳铜棒有限公司 | Ingredients for fire refining of scrap copper and smelting method |
| CN103725897A (en) * | 2013-12-27 | 2014-04-16 | 中南大学 | Method for directly producing high-purity oxygen-free copper by pyrogenic process continuous refining of scrap copper |
| CN205741172U (en) * | 2016-05-21 | 2016-11-30 | 东营方圆有色金属有限公司 | A kind of fire essence stove copper smelting device |
| CN108588441A (en) * | 2018-03-30 | 2018-09-28 | 东营方圆有色金属有限公司 | A kind of pyrogenic process whole process cleaning copper smelting device and technique |
| CN208649428U (en) * | 2017-06-14 | 2019-03-26 | 中国恩菲工程技术有限公司 | Anode copper process units |
| CN109722550A (en) * | 2019-03-14 | 2019-05-07 | 东营方圆有色金属有限公司 | The two step copper smelting methods and device of anode copper are prepared into from concentrate |
-
2019
- 2019-08-02 CN CN201910711837.XA patent/CN110484749A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031569A (en) * | 2012-12-19 | 2013-04-10 | 重庆重冶铜业有限公司 | Formula for crude copper refining raw materials |
| CN103045878A (en) * | 2012-12-20 | 2013-04-17 | 黄林 | Impure copper refining method for electric copper anode plate |
| CN103451448A (en) * | 2013-09-09 | 2013-12-18 | 梧州漓佳铜棒有限公司 | Ingredients for fire refining of scrap copper and smelting method |
| CN103725897A (en) * | 2013-12-27 | 2014-04-16 | 中南大学 | Method for directly producing high-purity oxygen-free copper by pyrogenic process continuous refining of scrap copper |
| CN205741172U (en) * | 2016-05-21 | 2016-11-30 | 东营方圆有色金属有限公司 | A kind of fire essence stove copper smelting device |
| CN208649428U (en) * | 2017-06-14 | 2019-03-26 | 中国恩菲工程技术有限公司 | Anode copper process units |
| CN108588441A (en) * | 2018-03-30 | 2018-09-28 | 东营方圆有色金属有限公司 | A kind of pyrogenic process whole process cleaning copper smelting device and technique |
| CN109722550A (en) * | 2019-03-14 | 2019-05-07 | 东营方圆有色金属有限公司 | The two step copper smelting methods and device of anode copper are prepared into from concentrate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063290A (en) * | 2020-01-02 | 2021-07-02 | 中国瑞林工程技术股份有限公司 | Device and method for accurately metering and treating copper-containing material |
| CN111575499A (en) * | 2020-06-24 | 2020-08-25 | 易门铜业有限公司 | High-grade matte converting rapid mass and heat transfer system and method thereof |
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Application publication date: 20191122 |