CN220485788U - Melting bath smelting furnace of Ausmelt furnace - Google Patents
Melting bath smelting furnace of Ausmelt furnace Download PDFInfo
- Publication number
- CN220485788U CN220485788U CN202322260858.9U CN202322260858U CN220485788U CN 220485788 U CN220485788 U CN 220485788U CN 202322260858 U CN202322260858 U CN 202322260858U CN 220485788 U CN220485788 U CN 220485788U
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- China
- Prior art keywords
- furnace
- gun
- copper water
- molten pool
- water jackets
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- 238000003723 Smelting Methods 0.000 title claims abstract description 41
- 238000002844 melting Methods 0.000 title claims description 7
- 230000008018 melting Effects 0.000 title claims description 7
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 239000011449 brick Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 12
- 239000001301 oxygen Substances 0.000 abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 abstract description 12
- 239000000446 fuel Substances 0.000 abstract description 8
- 239000000779 smoke Substances 0.000 abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- 239000010949 copper Substances 0.000 abstract description 4
- 239000002893 slag Substances 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 239000012141 concentrate Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 26
- 239000007921 spray Substances 0.000 description 10
- 239000010410 layer Substances 0.000 description 8
- 238000007664 blowing Methods 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses an austempered furnace molten pool smelting furnace, and relates to the technical field of austempered furnaces. The Ausmelt furnace molten pool smelting furnace comprises a furnace body, a side gun and a top gun, wherein the top of the molten pool is provided with the top gun, and the side gun is additionally arranged in the circumferential direction of a molten pool smelting slag reaction zone; the outside of the molten pool is a smelting furnace body, the inner wall of the furnace body is provided with tooth-shaped copper water jackets, side gun copper water jackets are arranged at intervals in the circumferential direction of the tooth-shaped copper water jackets, the side gun copper water jackets are inlaid on the tooth-shaped copper water jackets of the furnace body, and the side gun penetrates through the side gun copper water jackets and is inserted into the molten pool. The utility model increases the multipoint air supply to effectively utilize oxygen for combustion and chemical reaction, and reduces the fuel consumption, thereby reducing the smoke quantity, improving the smelting strength of a molten pool and improving the copper concentrate treatment capacity in unit time.
Description
Technical Field
The utility model relates to the technical field of an Osmanthi furnace, in particular to an Osmanthi furnace molten pool smelting furnace.
Background
At present, the copper-nickel ore smelting process at home and abroad has the advantages and disadvantages of oxygen top-blown flash smelting, osmanthi smelting, aisha smelting and Mitsubishi smelting, and the top-blown Osmanthi smelting is adopted in China. The ausmmett smelting relies on a single top spray gun for smelting, concentrated air supply is high, the spray gun stirs the melt, the reaction force born by the spray gun is high, the hot flushing is serious, and the service time is short; the hot flushing radius is large, the hot flushing strength of the slag surface area is high, the hot flushing of refractory bricks is serious, and the furnace life is shortened; and the single top air supply has low oxygen utilization rate. When the top spray gun is replaced, the hearth temperature is prolonged along with the time, the molten pool is solidified, and when the smelting is performed again, fuel is required to be combusted for producing the molten pool, so that the time and the fuel are consumed.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an Osmanthi furnace molten pool smelting furnace, which is provided with a side spraying point, effectively utilizes oxygen to carry out combustion and chemical reaction, reduces fuel consumption, and when top blowing is stopped, a small amount of oxygen is continuously fed from a side gun, so that self-heating heat preservation can be realized, the re-furnace opening time is shortened, and fuel is saved.
In order to achieve the technical purpose, the utility model adopts the following scheme:
the Ornithe melting pool smelting furnace comprises a furnace body, a side gun and a top gun, wherein the top of the furnace body is provided with the top gun; a side gun is additionally arranged in the circumferential direction of the side wall of the furnace body of the melting reaction area of the molten pool; the furnace shell is a steel plate, the outermost side of the furnace body is a furnace shell, a furnace body tooth-shaped copper water jacket and refractory bricks are arranged on the inner side of the furnace shell, side gun copper water jackets are arranged at intervals in the circumferential direction of the tooth-shaped copper water jackets, the side gun copper water jackets are inlaid on the furnace body tooth-shaped copper water jackets, and the side gun penetrates through the side gun copper water jackets and is inserted into a molten pool smelting reaction area molten pool.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The utility model increases the multipoint air supply to effectively utilize oxygen for combustion and chemical reaction, and reduces the fuel consumption, thereby reducing the flue gas quantity, improving the smelting strength of a molten pool and improving the copper concentrate treatment capacity in unit time;
(2) The side guns are added, and when the top gun stops converting, the side guns continue to send a small amount of oxygen, and keep the temperature self-heating, so that the re-furnace-opening time is greatly shortened, the fuel is saved, and the annual output is improved;
(3) The side gun copper water jacket plays a role in protecting the furnace body and the side gun barrel;
(4) The side gun air supply is increased, the air supply quantity of the top blowing spray gun is reduced, the longitudinal disturbance intensity of the furnace body is effectively reduced, the separation speed of slag and matte is improved, the slag rate of a copper opening is reduced, and a necessary condition is provided for continuous blowing continuous smelting in the next working procedure.
The preferable scheme of the utility model is as follows:
the toothed copper water jackets are vertically arranged, a refractory brick layer is laid on the inner sides of the toothed copper water jackets, and the part surrounded by the refractory brick layer is a molten pool smelting reaction zone.
The side gun copper water jacket and the side gun are fixedly connected with the tooth-shaped copper water jacket and the furnace shell.
The outside of the side gun is connected with a wind supply pipe.
The top gun is provided with a top gun sealing structure at the connection position of the top gun and the furnace body, and the top gun sealing structure is in a sleeve form of being sleeved on the top gun barrel in a penetrating way and buckled up and down. The heat loss is reduced when the spray gun is protected, and the smoke in the furnace body can be effectively prevented from escaping through the spray gun opening.
Drawings
FIG. 1 is a schematic diagram of a pool smelting furnace of an Oryzer furnace according to an embodiment of the present utility model;
FIG. 2 is a top view of an austempered furnace molten bath smelting furnace provided by an embodiment of the utility model;
FIG. 3 is a schematic cross-sectional view of the top lance seal structure at I in FIG. 1;
fig. 4 is a schematic structural diagram of a side-blowing lance according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the direction A of FIG. 4;
FIG. 6 is a cross-sectional view taken along the B-B plane in FIG. 4;
marked in the figure as: 1. a furnace shell; 2. tooth-shaped copper water jacket; 3. a layer of firebrick; 4. a side gun; 5. a side gun copper water jacket; 6. a water return pipe; 7. a base; 8. a screw; 9. a water inlet pipe; 10. a furnace top water seal pipe; 11. a top gun water seal pipe; 12. and (5) a top gun.
Detailed Description
The present utility model will be described in detail with reference to the following embodiments for a full understanding of the objects, features and effects of the present utility model, but the present utility model is not limited thereto.
As shown in fig. 1 and 2, the melting furnace of the melting pool of the Ausmelt furnace provided by the utility model consists of a furnace body, a top lance 12, a side lance 4, a toothed copper water jacket 2, a side lance copper water jacket 5 and the like, wherein the outermost side of the furnace body is a furnace shell 1, a layer of toothed copper water jacket 2 which is tightly attached to the furnace shell 1 is paved on the inner wall of the furnace shell 1, and the toothed copper water jackets 2 are vertically arranged; the inner side of the toothed copper water jacket 2 is paved with a refractory brick layer 3, and the part surrounded by the refractory brick layer 3 is a molten pool smelting reaction zone of the main reaction of the Ausmelt furnace.
As shown in fig. 3, the top lance 12 is installed at the top of the furnace body, the top lance 12 and the furnace body are provided with a top lance sealing structure, the top lance sealing structure is in the form of a sleeve sleeved on the barrel of the top lance 12 and buckled up and down, and the concrete structure is as follows: the top gun sealing structure comprises a top water seal pipe 10 and a top gun water seal pipe 11, wherein the top water seal pipe 10 is of a double-layer concentric cylinder structure with an open upper end, and a bottom plate of the top water seal pipe 10 is provided with a first mounting hole; the top gun water seal pipe 11 is of a double-layer concentric cylinder structure with an open lower end, a second mounting hole is formed in the top plate of the top gun water seal pipe 11, and the top gun 12 is installed in the first mounting hole and the second mounting hole in a penetrating mode. Medium water is filled in the cylinder interlayer of the furnace top water seal pipe 10, the outer cylinder of the top gun water seal pipe 11 is inserted into the water medium cylinder interlayer of the furnace top water seal pipe 10, and the inner cylinder of the top gun water seal pipe 11 is positioned in the inner cavity of the furnace top water seal pipe 10 to form a water seal structure with upper and lower plugging. The top gun sealing structure is arranged, heat loss is reduced when the spray gun is protected, and smoke in the furnace body can be effectively prevented from escaping through the spray gun opening, so that the smoke generated by smelting in the furnace is discharged through the furnace body flue, and the loss of valuable metals contained by escaping smoke dust is reduced.
The circumferential direction of the molten pool smelting reaction zone is provided with a plurality of side guns 4, and the number of the side guns 4 is preferably 6 along the circumferential direction of the furnace body. The side lance 4 and the furnace body are connected in a plug-in mode, the side lance 4 penetrates through the furnace body and extends into a molten pool (namely a molten pool smelting reaction zone), and a side lance copper water jacket 5 is arranged at the position of the insertion point of the side lance 4.
As shown in fig. 4 to 6, the side gun copper water jacket 5 is positioned inside the furnace body and is inlaid on the tooth-shaped copper water jacket 2, and the side gun copper water jacket 5 wraps the periphery of the gun barrel of the side gun 4, namely the front end of the side gun 4 passes through the side gun copper water jacket 5 and enters the molten pool smelting reaction zone, and the side gun copper water jacket 5 plays a role in protecting the furnace body and the gun barrel. The connecting structure of the side gun copper water jacket 5 comprises a screw rod 8, a base 7, a water inlet pipe 9 and a water return pipe 6, wherein the inner cambered surface of the base 7 is tightly combined with the outer cambered surface of the tooth-shaped copper water jacket 2, and the side gun copper water jacket 5 is inserted into and tightly combined with the tooth-shaped opening of the tooth-shaped copper water jacket 2. The screw rod 8 penetrates through the side gun copper water jacket 5, the tooth-shaped copper water jacket 2 and the base 7 from inside to outside, is fixedly connected with the base 7 through nuts, and the contact surface of the base 7 and the furnace shell 1 is welded and fixed. The side gun copper water jacket 5 is internally communicated with a water inlet pipe 9 and a water return pipe 6, and the water inlet pipe 9 and the water return pipe 6 respectively penetrate through the base 7 and the tooth-shaped copper water jacket 2 to be connected with an external water pipeline for medium water flow.
The outside of the side gun 4 is also fixed on the furnace shell 1, the outside of the side gun 4 is connected with a wind supply pipe, the wind supply pipe comprises a natural wind supply pipe and a pure oxygen supply pipe, flow regulating valves are arranged on the natural wind supply pipe and the pure oxygen supply pipe, the natural wind supply quantity and the oxygen quantity are adjustable, and the natural wind and the oxygen are mixed into a mixed oxygen concentration with a certain proportion to enter the side gun 4 and then are sent into a furnace body reaction tank.
Compared with the prior art, the utility model has the advantages that:
(1) The side gun is increased, the air supply quantity of pure oxygen at the inner side of the top gun is properly reduced, the use intensity of the top gun in the smelting process is reduced, and the service life of the top gun is effectively prolonged.
(2) The original concentrated air supply is changed into the multipoint air supply, so that the disturbance intensity generated by single top gun air supply is effectively reduced, and the circumferential scouring is reduced, thereby protecting the refractory material of the furnace body and prolonging the service life of the refractory material. The side gun is increased to change the air supply mode and reduce the air supply intensity, so that the hot flushing intensity of the air supply to the spray gun and the furnace body can be effectively reduced.
(3) The concentrated air supply is changed into multi-point air supply, so that the uniformity and the effectiveness of oxygen supply are improved, the smelting chemical reaction speed of a molten pool is improved, the utilization rate of oxygen is improved, and the heat supplement is reduced.
(4) When the top gun is replaced, the side gun still supplies air, and the reaction releases heat during the air supply, thereby playing a role in heat preservation. When the materials are charged again for smelting, the materials are not required to be heated, the materials can be directly charged, the annual output is effectively improved, and the fuel consumed during heating can be reduced.
(5) The multipoint converting efficiency is higher than that of single top blowing, the air supply quantity can be effectively reduced, the smoke quantity is reduced, and the smelting strength is greatly improved. The copper concentrate treatment capacity can be increased by adding a side gun to the furnace body and the flue gas heating surface with the same type.
Finally, it should be noted that: the above list is only a preferred embodiment of the present utility model, and it is understood that those skilled in the art can make modifications and variations thereto, and it is intended that the present utility model be construed as the scope of the appended claims and their equivalents.
Claims (5)
1. An Osmantel furnace molten pool smelting furnace comprises a furnace body, a side gun and a top gun, wherein the top of the furnace body is provided with the top gun; it is characterized in that a side gun is additionally arranged in the circumferential direction of the side wall of the furnace body of the melting reaction zone of the molten pool;
the outermost side of the furnace body is a furnace shell, a toothed copper water jacket is arranged on the inner side of the furnace shell, side gun copper water jackets are arranged at intervals in the circumferential direction of the toothed copper water jackets, the side gun copper water jackets are inlaid on the toothed copper water jackets of the furnace body, and the side gun penetrates through the side gun copper water jackets and is inserted into a molten pool smelting reaction zone.
2. The auser furnace molten pool smelting furnace according to claim 1, wherein the toothed copper water jackets are vertically arranged, a refractory brick layer is laid on the inner side of the toothed copper water jackets, and a part surrounded by the refractory brick layer is a molten pool smelting reaction zone.
3. The austempered furnace molten bath smelting furnace of claim 1 wherein the side lance copper water jackets, side lances are fixedly connected with the toothed copper water jackets and furnace shell.
4. The austempered furnace molten bath smelting furnace of claim 1 wherein a gas supply pipe is connected to the exterior of the lance.
5. The auser furnace molten pool smelting furnace according to claim 1, wherein a top lance sealing structure is arranged at the connection position of the top lance and the furnace body, and the top lance sealing structure is in the form of a sleeve which is sleeved on a top lance tube in a penetrating manner and is buckled up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322260858.9U CN220485788U (en) | 2023-08-22 | 2023-08-22 | Melting bath smelting furnace of Ausmelt furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322260858.9U CN220485788U (en) | 2023-08-22 | 2023-08-22 | Melting bath smelting furnace of Ausmelt furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220485788U true CN220485788U (en) | 2024-02-13 |
Family
ID=89830443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322260858.9U Active CN220485788U (en) | 2023-08-22 | 2023-08-22 | Melting bath smelting furnace of Ausmelt furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220485788U (en) |
-
2023
- 2023-08-22 CN CN202322260858.9U patent/CN220485788U/en active Active
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| GR01 | Patent grant |