CN201713557U - Combined-type red impure copper fire refining system with shaft furnace and rotary furnace - Google Patents
Combined-type red impure copper fire refining system with shaft furnace and rotary furnace Download PDFInfo
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- CN201713557U CN201713557U CN2010202264957U CN201020226495U CN201713557U CN 201713557 U CN201713557 U CN 201713557U CN 2010202264957 U CN2010202264957 U CN 2010202264957U CN 201020226495 U CN201020226495 U CN 201020226495U CN 201713557 U CN201713557 U CN 201713557U
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Abstract
The utility model provides a combined-type red impure copper fire refining system with shaft furnace and rotary furnace, which is characterized in that the system at least comprises the following components: a shaft furnace used for melting red impure copper raw materials into molten impure copper, a runner used for delivering the molten impure copper from the shaft furnace into a rotary refining furnace, at least one rotary refining furnace used for refining the molten impure copper by oxidation-reduction reaction to produce refined molten copper, and a tundish communicated with the rotary refining furnace through the runner. According to the utility model, the fire refining system dispenses with a heat-insulating furnace and has the advantages of high energy utilization rate, strong production continuity and good working conditions.
Description
Technical field
The utility model relates to a kind of pyrorefining system of purple composition brass, particularly, relates to a kind of employing shaft furnace, chute and at least one rotary kiln, and omits the pyrorefining system of the purple composition brass of holding furnace, belongs to the non-ferrous metal metallurgy technical field.
Background technology
Purple composition brass is that copper content is not less than 90% copper scrap, claims useless red copper or useless fine copper again, is the maximum copper scrap kind of yield.Purple composition brass is purified through pyrorefining becomes refined matte.The higher refined matte liquid of purity is used for the continuous casting and rolling electrician with copper cash base (claiming copper bar, copper wire rod again), or other red copper base that is used to cast.The refined matte liquid that purity is not high is used to the positive plate of casting.
Present known purple composition brass pyrorefining system can be divided into following 4 kinds: 1. fixed reverberatory refining system; 2. tilting-type refining furnace rectification systems; 3. shaft furnace-fixed reverberatory furnace is united rectification systems; 4. shaft furnace-tilting-type refining furnace-holding furnace is united rectification systems.
There is following problem in existing pyrorefining system: 1) fuel consumption of fixed reverberatory furnace and tilting-type refining furnace is big, thermo-efficiency low (energy utilization rate 15～40%), and labor condition is relatively poor; 2) the shaft furnace rate of utilization in the shaft furnace-fixed reverberatory furnace associating rectification systems is low, can't the serialization High-efficient Production; 3) holding furnace that is provided with in shaft furnace-tilting-type refining furnace-holding furnace associating rectification systems has increased energy consumption.
The utility model content
The utility model purpose provide a kind of energy utilization rate height, labor condition better, the pyrorefining system of purple composition brass that the production continuity is strong.
For this reason, the utility model provides a kind of pyrorefining system of purple composition brass, it is characterized in that, comprises array apparatus down at least: the shaft furnace that purple composition brass raw material is smelted into purple composition brass liquid; The purple composition brass liquid of shaft furnace melting output is carried the chute that flows into rotary refining furnace; Purple composition brass liquid is carried out the redox refining to obtain at least one rotary kiln of refined matte liquid; And the tundish that is connected with rotary kiln by chute.
Preferably, comprise at least two rotary kilns.
Preferably, comprise three rotary kilns.
Preferably, the chute form can be movable and fixed two types combination, also can be wherein a kind of; Chute can be a multistage, also can be one section.Can directly connect subsequent handling behind the tundish, also can connect subsequent handling by the quantitative casting bag.
Preferably, the downstream of tundish is connected with the equipment of continuous casting and rolling copper cash base or casting positive plate.
Preferably, comprise a shaft furnace that is used for molten copper and two rotary kilns that are used for refined matte.
According to the present invention, the equipment of employing comprises 1 shaft furnace, purple composition brass spout, 1 to 3 rotary kiln, refined matte spout, tundish, but has omitted holding furnace.
According to an embodiment of the present utility model, the pyrorefining system of purple composition brass adopts a shaft furnace and two rotary kiln associating refinery practice flow processs, fusion stage adopts shaft furnace to melt purple composition brass, and oxidation, reduction phase adopt two rotary refining furnaces with purple composition brass liquid refining becoming refined matte liquid.
Described shaft furnace is the sophisticated equipment of the solid-state copper of fusing, compares with fixed or tilting-type reverberatory furnace, and melting efficiency can improve 1～2 times, and thermosteresis can be decreased to 20～35%, and promptly energy utilization ratio can be up to 65～80%, and the production continuity is strong.
Described rotary refining furnace is to be in the large-size chemical process flow of raw material production cathode copper with ore deposit copper, and liquid blister refining is become the preferred unit of anode process for copper link, claims Rotary Anode Furnace or rotary kiln again.
Compare with fixed or tilting-type reverberatory furnace, rotary refining furnace has area of dissipation little (be equivalent to reverberatory furnace about 50%), good airproof performance, thermo-efficiency height (energy utilization rate can reach 60～70%), the smoke and dust treatment difficulty is little, deslagging, put operating machine of copper level of automation height, labor condition better and the relative proven technique advantage of maximization production supporting technology.
In this embodiment of the present utility model, two rotary kilns are independently finished the refinery process whole process separately, but interlaced 1/2 operation process of while.Rotary kiln is smelted back fine copper liquid and is directly entered tundish through chute, does not need to be incubated through holding furnace again, and refined matte liquid directly enters copper cash continuous casting and rolling production line or positive plate liquid filling machine, is used for the continuous casting and rolling electrician and uses the copper cash base, or be used to the positive plate of casting.
According to the pyrorefining system of described purple composition brass of the present utility model, comprehensively drawn the advantage that shaft furnace melts solid-state copper technology advantage and the liquid copper technology of rotary kiln refining.
Comprise according to purple composition brass pyrorefining system implementation step of the present utility model:
1. the purple composition brass furnace charge of pre-treatment is removed inclusion as far as possible.
2. pack into the charging machine of truck formula or other form of furnace charge, add shaft furnace thereupon.
3. shaft furnace melting batch, the purple composition brass liquid of output.
4. chute is carried purple composition brass liquid, successively flows into two rotary kilns.
5. two rotary kilns are independently finished the refinery process whole process separately, but interlaced 1/2 operation process of while.Be in and access copper liquid when one, when oxidation, deslagging and reduction refining operation process, another is in the outlet temperature of control copper liquid and composition, copper operation process.When being about to out copper liquid for one, another begins copper, and steadily alternately, the fine copper flow quantity that keeps flowing into fixing chute is basicly stable.
6. the refined matte liquid inflow activity chute of rotary kiln output flows into fixedly chute again, finally flows into tundish, is used for the continuous casting and rolling electrician and uses the copper cash base, or be used to the anode copper of casting.
Beneficial effect according to purple composition brass pyrorefining of the present utility model system is:
1. adopt the shaft furnace smelting apparatus, significantly improved the melting efficiency (improving 1～2 times) and the energy utilization rate (improving 20～30 percentage points) of purple composition brass pyrorefining;
2. adopt the purple composition brass device of rotary kiln refining, the operation labor condition of having improved deslagging, having put copper;
3. a shaft furnace and two rotary kilns are united in the refinery practice, and two interlaced 1/2 refinery process processes of rotary kiln while help accessing continuously shaft furnace copper liquid, and output refined matte liquid has guaranteed the continuity of producing continuously;
4. adopt pyrorefining of the present utility model system, helping improving with purple composition brass is maximization, mechanize and the automatic technology level of main material production copper cash base or positive plate.
Description of drawings
Fig. 1 is the pyrorefining system flowchart according to purple composition brass of the present utility model.
Embodiment
Referring to accompanying drawing, the specific implementation method of technical solutions of the utility model is as follows:
Among Fig. 1, purple composition brass furnace charge after the pre-treatment, the charging machine of pack into truck formula or other form adds shaft furnace thereupon; The shaft furnace melting batch, the purple composition brass liquid of output; Adopt chute to carry purple composition brass liquid, successively flow into two rotary kilns, two rotary kilns are independently finished the refinery process whole process separately, but interlaced 1/2 operation process simultaneously, and the refined matte flow quantity that keeps flowing into fixing chute is basicly stable; The refined matte liquid inflow activity chute of rotary kiln output, the tundish of finally flowing through enters copper cash continuous casting and rolling production line or positive plate liquid filling machine, is used for continuous casting and rolling copper cash base or casting positive plate.
Embodiment
With purple composition brass is the pyrorefining that raw material is produced 220000 tons of engineerings of copper cash base per year, and chute is carried purple composition brass liquid mode, and process flow steps is as follows:
1. the purple composition brass raw material of pre-treatment is removed inclusion as far as possible, and processing length or lumpiness should be fit to the truck of packing into.
2. with fork truck the purple composition brass raw material truck formula charging machine of packing into.
3. truck formula charging machine adds production capacity 35t/h shaft furnace to purple composition brass furnace charge.
4. production capacity 35t/h shaft furnace melting batch, the purple composition brass liquid of output moves chute by two cover tops continuously, is taken up in order of priority and introduces two capacity 300t rotary kilns.
5. purple composition brass liquid is introduced first rotary kiln earlier, flow into about 200t after, enter oxidation operation.After flowing into 300t, enter later stage oxidation, deslagging, reduction, controlled temperature and composition refinery process, get final product copper after finishing.
When being about to copper after 6. first rotary kiln refinery process finished, second rotary kiln begins to enter and accesses copper liquid, refinery process and copper whole process.Two nominal capacity 300t rotary kilns are independently finished separately and are accessed copper liquid, oxidation, deslagging, reduction, controlled temperature and composition, copper operation whole process, but interlaced 1/2 operation process of while.When being about to out copper liquid for one, another begins copper, steadily alternately, keeps the flow of refined matte spout basicly stable.
7. the refined matte liquid of rotary kiln output is introduced fixedly chute by movable chute.
8. refined matte liquid is gone into tundish from the fixed flow concentrated flow.
9. refined matte liquid injects the continuous caster of production capacity 35t/h continuous casting and rolling production line from tundish, through continuous billet casting, roll bar, output copper cash base.
The utility model is determined the rotary kiln nominal capacity by following formula:
Rotary kiln nominal capacity (t)=shaft furnace production capacity (t/h) * separate unit rotary kiln is finished and is accessed copper liquid and redox time (h)
Some specific embodiments of the present utility model are more than disclosed, those skilled in the art can according to thought of the present utility model carry out various improvement, perfect, replace and/or change, for example, the chute form can be movable and fixed two types combination, also can be wherein a kind of; Chute can be a multistage, also can be one section.Yet, do like this, all be included within the protection domain of claims.
Claims (6)
1. the pyrorefining system of a purple composition brass is characterized in that, comprises array apparatus down at least:
Purple composition brass raw material is smelted into the shaft furnace of purple composition brass liquid;
The purple composition brass liquid of shaft furnace melting output is carried the chute that flows into rotary refining furnace;
Purple composition brass liquid is carried out the redox refining to obtain at least one rotary refining furnace of refined matte liquid; And
The tundish that is connected with rotary refining furnace by chute.
2. pyrorefining as claimed in claim 1 system is characterized in that, comprises at least two rotary refining furnaces.
3. pyrorefining as claimed in claim 2 system is characterized in that, comprises three rotary refining furnaces.
4. pyrorefining as claimed in claim 1 system is characterized in that the chute form can be movable and fixed two types combination, also can be wherein a kind of; Chute can be a multistage, can be one section also, can directly connect subsequent handling behind the tundish, also can connect subsequent handling by the quantitative casting bag.
5. pyrorefining as claimed in claim 1 system is characterized in that, the downstream of tundish is connected with the equipment of continuous casting and rolling copper cash base or casting positive plate.
6. pyrorefining as claimed in claim 1 system is characterized in that, comprises a shaft furnace that is used for molten copper and two rotary refining furnaces that are used for refined matte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202264957U CN201713557U (en) | 2010-06-10 | 2010-06-10 | Combined-type red impure copper fire refining system with shaft furnace and rotary furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202264957U CN201713557U (en) | 2010-06-10 | 2010-06-10 | Combined-type red impure copper fire refining system with shaft furnace and rotary furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201713557U true CN201713557U (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202264957U Expired - Lifetime CN201713557U (en) | 2010-06-10 | 2010-06-10 | Combined-type red impure copper fire refining system with shaft furnace and rotary furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212705A (en) * | 2011-05-24 | 2011-10-12 | 江西稀有稀土金属钨业集团有限公司 | Combined furnace system for fire refining of red copper scrap |
-
2010
- 2010-06-10 CN CN2010202264957U patent/CN201713557U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212705A (en) * | 2011-05-24 | 2011-10-12 | 江西稀有稀土金属钨业集团有限公司 | Combined furnace system for fire refining of red copper scrap |
| WO2012159567A1 (en) | 2011-05-24 | 2012-11-29 | 江西稀有稀土金属钨业集团有限公司 | Combined furnace system for fire refining red impure copper |
| EP2716776A4 (en) * | 2011-05-24 | 2015-03-11 | Jiangxi Rare Earth & Rare Met | Combined furnace system for fire refining red impure copper |
| US9464845B2 (en) | 2011-05-24 | 2016-10-11 | Jiangxi Rare Earth And Rare Metals Tungsten Group Corporation | Combined furnace system for fire refining red impure copper |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110119 |