CN211471521U - Dilution furnace for treating copper smelting - Google Patents
Dilution furnace for treating copper smelting Download PDFInfo
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- CN211471521U CN211471521U CN201921861064.5U CN201921861064U CN211471521U CN 211471521 U CN211471521 U CN 211471521U CN 201921861064 U CN201921861064 U CN 201921861064U CN 211471521 U CN211471521 U CN 211471521U
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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
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Abstract
The utility model provides a copper smelting impoverishment furnace, wherein imported slag is used for feeding matte and smelting slag into the furnace body; the burner is arranged at the upper part of the molten pool and is used for spraying fuel into the molten pool; oxygen boosting air spray gun, oxygen boosting air spray gun sets up furnace body molten bath middle part, oxygen boosting air spray gun be used for to blowout oxygen boosting air in the molten bath, the utility model discloses with copper matte and smelting slag through advancing the cinder notch and getting into the depletion stove, copper matte and smelting slag contain not burning abundant charcoal grain, stop oxygen boosting air spray gun after fully smelting and stop admitting air, matte body and slag after smelting stew and subsides to, supporting combustor leads to natural gas and carries out heat supply and keeps warm, prevents to cool down and influences the sedimentation separation effect, therefore valuable metal's rate of recovery is high, the utility model discloses need not increase extra reductant, it is effectual to impound, the metal rate of recovery is high to the investment is low, take up an area of for a short time, low in production cost.
Description
Technical Field
The utility model relates to a non ferrous metal smelting technical field, concretely relates to handle copper smelting impoverishment stove.
Background
The existing copper smelting slag dilution technology is adopted to treat copper slag, a newly built factory generally adopts a slag beneficiation method, an old factory mainly adopts an electric furnace or rotary furnace dilution method, waste slag depleted by a pyrogenic method contains copper, the operation cost is slightly higher than slag beneficiation, and the investment is lower; although the waste slag of the slag beneficiation has low copper content and low operation cost, the investment cost of a beneficiation plant is high, and a large area of open space is needed for slag slow cooling, so that the slag dilution process is not very ideal.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to improve the rate of recovery of metal, reduction in production cost, for solving above-mentioned problem, the utility model provides a handle copper smelting impoverishment stove.
The purpose of the utility model is realized with the following mode:
a copper smelting impoverishment furnace comprises:
the furnace comprises a furnace body, wherein a molten bath is arranged inside the furnace body, a lead outlet is arranged at the lowest part of the furnace body, a copper outlet is arranged above the lead outlet, a slag tap is arranged above the copper outlet, and a flue is arranged at the highest part of the furnace body;
the slag inlet is arranged above the furnace body, and the inlet slag is used for feeding matte and smelting slag into the furnace body;
the burner is arranged at the upper part of the molten pool and is used for spraying fuel into the molten pool;
the oxygen-enriched air spray gun is arranged in the middle of the furnace body molten pool and is used for spraying oxygen-enriched air into the molten pool.
The nozzle of the burner and the nozzle of the oxygen-enriched air spray gun are both arranged in the molten pool, and the nozzle of the oxygen-enriched air spray gun is connected with the furnace body through an air inlet hole.
And the nozzle of the combustor is arranged opposite to the slag inlet.
At least one oxygen-enriched air spray gun is arranged along the peripheral side of the furnace body.
The molten bath is the rectangle form, and the furnace roof of furnace body is the arch, the furnace body includes the diapire and sets up diapire and the perisporium that upwards extends, the perisporium includes consecutive first lateral wall, second lateral wall, third lateral wall and fourth lateral wall, first lateral wall sets up with the third lateral wall is relative, second lateral wall and fourth lateral wall set up relatively.
The oxygen-enriched air spray gun is arranged on the first side wall and the third side wall, the burner is fixed on the third side wall, and the slag inlet is arranged above the fourth side wall.
The nozzle of the burner and the nozzle of the oxygen-enriched air spray gun are respectively arranged on two adjacent side walls.
The oxygen-enriched air spray gun is cooled by water cooling.
The outlet speeds of the burner and the oxygen-enriched air spray gun are both between Mach 1.0 and Mach 1.5.
Compared with the prior art, the utility model discloses with copper matte and smelting slag through advancing the slag notch and getting into the depletion furnace, copper matte and smelting slag contain the abundant charcoal granule of unburnt, oxygen boosting air spray gun blows in the oxygen boosting air, abundant carbon granule of unburnt regards as fuel, in the burning of the partial submergence in the slag blanket of molten bath, in the heat supply, provide stove internal reducing atmosphere, carry out the reduction smelting under the stirring state, stop oxygen boosting air spray gun after the intensive smelting and stop admitting air, matte body and slag after smelting stew, and, supporting combustor leads to natural gas and carries out heat supply and heat preservation, prevent that the cooling from influencing the sedimentation separation effect, therefore the rate of recovery of valuable metal is high, the utility model discloses need not increase extra reductant, it is effectual to impound, the metal rate of recovery is high to the investment is low, take up an area of for a.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a plan view of the present invention.
The device comprises a flue 1, a slag inlet 2, a fourth side wall 3, a second side wall 4, an observation port 5, a slag layer 6, a matte layer 7, an air inlet 8, a third side wall 9, a first side wall 10, a burner 11, a copper outlet 12, a lead outlet 13 and a slag discharge port 14.
Detailed Description
As shown in fig. 1 to 3, a copper smelting and depleting furnace is provided, which includes:
the smelting furnace comprises a furnace body, wherein a smelting tank is arranged inside the furnace body, a lead outlet 13 is arranged at the lowest part of the furnace body, the lead outlet 13 is used for discharging lead metal, a copper outlet 12 is arranged above the lead outlet 13, a slag tap 14 is arranged above the copper outlet 12, the copper outlet 12 is used for discharging copper metal, and a flue 1 is arranged at the highest part of the furnace body;
the slag inlet 2 is arranged above the furnace body, the slag inlet is used for feeding matte and smelting slag into the furnace body, the smelting slag contains carbon particles, and the carbon particles are used as fuel and have reduction effect;
the burner 11 is arranged at the upper part of the molten pool, the burner 11 is used for spraying fuel into the molten pool, and the fuel is natural gas;
the oxygen-enriched air spray gun is arranged in the middle of a molten pool of the furnace body, the oxygen-enriched air spray gun is used for spraying oxygen-enriched air into the molten pool, the oxygen-enriched air spray gun comprises a tee-joint spray pipe, the tee-joint spray pipe is arranged outside a gun body of the oxygen-enriched air spray gun, and the tee-joint spray pipe is sealed by a ball valve, so that an air opening can be poked by a drill rod, the oxygen-enriched air spray gun which is not used can be conveniently plugged by a steel drill rod, an injection object is directly sprayed into a slag layer 6 of the molten pool, the stroke of the injection object is short, the injection object is inserted from the top relative to the oxygen-enriched air spray gun, the gravity action required by the injection object is small, the pressure required by injection is small. The oxygen-enriched air spray gun is in the horizontal direction, oxygen-enriched air is horizontally blown into the slag layer 6, the mixing effect with materials in the slag layer 6 is good, the spray angle of spray is prevented from being too large, the spray enters the matte layer 7, and therefore the mixing effect of the spray and the materials in the slag layer 6 is better.
The nozzle of the burner 11 and the nozzle of the oxygen-enriched air spray gun are both arranged in the molten pool, and the nozzle of the oxygen-enriched air spray gun is connected with the furnace body through an air inlet hole 8.
The nozzle of the burner 11 is arranged opposite to the slag inlet 2.
At least one oxygen-enriched air spray gun is arranged along the peripheral side of the furnace body.
The molten bath is the rectangle form, and the furnace roof of furnace body is the arch, the furnace body includes the diapire and sets up diapire and the perisporium that upwards extends, the perisporium includes consecutive first lateral wall 10, second lateral wall 4, third lateral wall 9 and fourth lateral wall 3, first lateral wall 10 sets up with third lateral wall 9 relatively, second lateral wall 4 sets up with fourth lateral wall 3 relatively.
The oxygen-enriched air spray gun is arranged on the first side wall 10 and the third side wall 9, the burner 11 is fixed on the third side wall 9, and the slag inlet 2 is arranged above the fourth side wall 3.
The nozzle of the burner 11 and the nozzle of the oxygen-enriched air lance are respectively arranged on two adjacent side walls.
The oxygen-enriched air spray gun is cooled by water cooling.
The outlet speeds of the burner 11 and the oxygen-enriched air spray gun are both between Mach 1.0 and Mach 1.5.
The furnace body also comprises an observation opening 5 which is positioned on the second side wall 4 of the furnace body and is used for observing the smelting condition in the furnace.
The working process of the utility model is as follows: the furnace body, the burner 11 and the oxygen-enriched air spray gun, the produced matte and the smelting slag enter a molten pool of the furnace body through the slag inlet 2, the matte and the smelting slag carry partial sufficient carbon particles which are not combusted to enter a depletion furnace, the oxygen-enriched air is blown into the oxygen-enriched air spray gun by the side blowing, the sufficient carbon particles which are not combusted are used as fuel, the part of the slag layer 6 of the furnace body is immersed and combusted to provide heat and simultaneously provide reducing atmosphere in the furnace, so that the melt is reduced and smelted under the stirring state, the air inlet of the spray gun is stopped after the sufficient smelting, the smelted matte and the slag are stood and settled, and the matched burner 11 is supplied with natural gas to supply heat and prevent the temperature reduction from influencing the settling and separating effects, so the recovery rate of valuable metals is high, the molten pool comprises the slag layer 6 and the matte layer 7, the copper outlet is positioned on the second side wall 4, the slag outlet is positioned on the, the slag layer 6 is positioned above the matte layer 7, is convenient to discharge from a slag discharge port 14 positioned on the first side wall 10, is high in matte density and positioned on the lower layer, is convenient to discharge from a copper discharge port positioned on the second side wall 4, the matte solution contains lead metal, the lead metal is high in lead metal density, the lead metal is positioned on the lowest layer, and the lead metal is discharged from the lead discharge port.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.
Claims (9)
1. A copper smelting and depleting furnace is characterized by comprising the following components: slag inlet, molten pool and furnace body
The furnace comprises a furnace body, wherein a molten bath is arranged inside the furnace body, a lead outlet is arranged at the lowest part of the furnace body, a copper outlet is arranged above the lead outlet, a slag tap is arranged above the copper outlet, and a flue is arranged at the highest part of the furnace body;
the slag inlet is arranged above the furnace body, and the inlet slag is used for feeding matte and smelting slag into the furnace body;
the burner is arranged at the upper part of the molten pool and is used for spraying fuel into the molten pool;
the oxygen-enriched air spray gun is arranged in the middle of a molten pool in the furnace body and is used for spraying oxygen-enriched air into the molten pool.
2. The furnace for treating copper smelting depletion according to claim 1, characterized in that: the nozzle of the burner and the nozzle of the oxygen-enriched air spray gun are both arranged in the molten pool, and the nozzle of the oxygen-enriched air spray gun is connected with the furnace body through an air inlet hole.
3. The furnace for treating copper smelting depletion according to claim 2, characterized in that: and the nozzle of the combustor is arranged opposite to the slag inlet.
4. The furnace for treating copper smelting depletion according to claim 2, characterized in that: at least one oxygen-enriched air spray gun is arranged along the peripheral side of the furnace body.
5. The furnace for treating copper smelting depletion according to claim 1, characterized in that: the molten bath is the rectangle form, and the furnace roof of furnace body is the arch, the furnace body includes the diapire and sets up diapire and the perisporium that upwards extends, the perisporium includes consecutive first lateral wall, second lateral wall, third lateral wall and fourth lateral wall, first lateral wall sets up with the third lateral wall is relative, second lateral wall and fourth lateral wall set up relatively.
6. The furnace of claim 5, wherein the oxygen-enriched air lances are disposed on the first side wall and the third side wall, the burners are fixed to the third side wall, and the slag inlet is positioned above the fourth side wall.
7. The furnace of claim 5, wherein the burner nozzles and the oxygen-enriched air lances nozzles are disposed on adjacent sidewalls.
8. The furnace of claim 5, wherein the oxygen-enriched air lances are cooled with water.
9. The furnace of claim 1, wherein the burner and the oxygen-enriched air lance each have an exit velocity between mach 1.0 and mach 1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921861064.5U CN211471521U (en) | 2019-10-31 | 2019-10-31 | Dilution furnace for treating copper smelting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921861064.5U CN211471521U (en) | 2019-10-31 | 2019-10-31 | Dilution furnace for treating copper smelting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211471521U true CN211471521U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921861064.5U Active CN211471521U (en) | 2019-10-31 | 2019-10-31 | Dilution furnace for treating copper smelting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211471521U (en) |
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2019
- 2019-10-31 CN CN201921861064.5U patent/CN211471521U/en active Active
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