CN104651624A - Scrap copper smelting method - Google Patents
Scrap copper smelting method Download PDFInfo
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- CN104651624A CN104651624A CN201510121854.XA CN201510121854A CN104651624A CN 104651624 A CN104651624 A CN 104651624A CN 201510121854 A CN201510121854 A CN 201510121854A CN 104651624 A CN104651624 A CN 104651624A
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- China
- Prior art keywords
- copper
- refining
- slag
- hot
- heater
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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
Abstract
The invention discloses a scrap copper smelting method comprising a coarsely smelting process and a refining process and concretely comprising the steps of pouring hot copper refining slag generated in the refining process from a refining furnace to a slag ladle; and then, pouring the hot hopper refining slag into a scrap copper smelting furnace in the coarsely smelting process through the slag ladle to smelt, wherein the step for adding the hot copper refining slag is as follows: opening a charging bucket cover plate on a charging bucket, and coating a mould release agent on the inner surface of the charging bucket; starting a tripping driving device to drive a furnace body to rotate to a feeding hole of the furnace body and the downside of a charging pipe around a horizontal shaft; moving the slag ladle filled with the hot copper refining slag to the upside of a sliding hopper, controlling the distance from a deslagging hole of the slag ladle to the charging bucket at 200-600mm, and pouring the hot copper refining slag in the slag ladle into the charging bucket; and covering a sliding hopper cover plate on the sliding copper after pouring the hot copper refining slag in the slag ladle. Compared with the prior art, the scrap copper smelting method has the advantage that the problems of long treatment period and high cost of the existing scrap copper smelting slag can be solved.
Description
Technical field
The present invention relates to copper scap technical field of smelting, especially a kind of addition means of the refining slag smelted for low-grade copper scap.
Background technology
Copper scap is smelted and is generally divided into low-grade copper scap to smelt and copper scap refining, and the refining slag that copper scap produces in the refining process of copper scap refining furnace contains the copper of 20% ~ 25%, needs to recycle.Tradition to the method for copper refining Slag treatment is: pour in cinder ladle by the hot refining slag of produce in refining furnace 1200 DEG C, after cinder ladle cools 24 hours, turns over slag and selects bag end copper, then copper at the bottom of bag is transferred to slag muck field be cooled to room temperature cinder ladle; With Cinder crusher, copper at the bottom of bag is smashed, then copper at the bottom of the bag smashed is dropped in a kind of copper scap smelting furnace smelted for low-grade copper scap carry out copper dilution process.This top blown converter includes body of heater and covers on smoke collection cover outside described body of heater, and described body of heater is connected with the Autorotation driving device that an inclination drive unit driving described body of heater to rotate around transverse axis and a described body of heater of driving rotate around described body of heater central shaft.There are the following problems in process of production to the treatment process of copper scap refining slag to use this copper scap smelting furnace: 1, working cycle is long, not only easily cause a large amount of refining slags, bag end copper overstocked, also spend a large amount of equipment, place turnover occupancy and labour cost, improve production cost; 2, waste the energy of hot refining slag, and carry out second-heating again to bag end copper dilution process, energy consumption is high.
Summary of the invention
Problem solved by the invention is to provide a kind of smelting process can adding the copper scap of copper hot refining slag fast to copper scap smelting furnace, to solve existing copper scap refining slag long processing period, problem that cost is high.
In order to solve the problem, the technical solution used in the present invention is: the smelting process of this copper scap, comprise thick refining operation and refining procedure, the hot refining slag of copper produced by described refining procedure is poured in cinder ladle from refining furnace, then smelts in the copper scap smelting furnace by cinder ladle hot for copper refining slag being poured into thick refining operation;
This copper scap smelting furnace includes body of heater and covers on the smoke collection cover outside described body of heater, described body of heater is connected with an inclination drive unit driving described body of heater to rotate around transverse axis, tilting in the side of described smoke collection cover have an one end to stretch into filling tube in described smoke collection cover, and described filling tube one end outside described smoke collection cover is provided with the loading hopper of the loading hopper cover plate be hinged with; Body of heater tilted position limit switch is provided with in described body of heater side;
The interpolation step of the hot refining slag of its copper comprises:
A, the described loading hopper cover plate opened on described loading hopper, coat releasing agent at the internal surface of described loading hopper;
B, start described inclination drive unit, drive described body of heater to be positioned at the below of described filling tube around the described transverse axis opening for feed rotated to described body of heater;
C, the cinder ladle that the hot refining slag of copper is housed moved to described in slip above hopper, hot for the copper in cinder ladle refining slag, at 200 millimeters ~ 600 millimeters, is poured in described loading hopper by the slag discharging port of cinder ladle and the distance controlling of described loading hopper;
The hot refining slag of copper in D, cinder ladle is toppled over complete, is covered by described funnel cover plate and slips on hopper described.
In the smelting process technical scheme of above-mentioned copper scap, technical scheme can also be more specifically: refining furnace described in each stove pour the hot refining slag of cinder ladle into, wherein the first cinder inclusion bag adopts by cooling with the hot refining slag of the copper in last cinder inclusion bag, turn over slag select bag the end copper smashed, copper at the bottom of bag is added in described body of heater with solid shape; All the other between two between the hot refining slag of copper in cinder ladle adopt and added in described body of heater by described filling tube.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect: 1, due to the filling tube that be provided with loading hopper tilting in the side of smoke collection cover, conveniently hot for the copper in refining furnace refining slag can be added directly in body of heater by filling tube, the hot refining slag refining of copper decreasing refining furnace need be cooled by cinder ladle, turn over slag selects that institute such as operation such as bag end copper etc. spends a large amount of equipment, occupancy and labour cost are had enough to meet the need in place, reduce production cost, shorten the cycle of copper scap process; 2, add the hot refining slag of copper directly to body of heater, reduce and bag end copper is heated required energy expenditure again.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structural representation of the filling tube with loading hopper of the embodiment of the present invention.
Fig. 3 is the partial enlarged drawing at the A place of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing embodiment, the invention will be further described:
Embodiment 1:
A smelting process for copper scap, comprise thick refining operation and refining procedure, the hot refining slag of the copper produced by refining procedure is poured in cinder ladle from refining furnace, then smelts in the copper scap smelting furnace by cinder ladle hot for copper refining slag being poured into thick refining operation;
The smoke collection cover 1 that copper scap smelting furnace as shown in Figure 1, Figure 2 and Figure 3 comprises body of heater 2 and covers on outside body of heater 2, body of heater 2 is connected with an inclination drive unit driving body of heater to rotate around transverse axis 6, and transverse axis 6 is contained in smoke collection cover 1 by support; Roll drive unit and include reduction box 6-1, the output shaft of reduction box 6-1 is connected with transverse axis 6 by shaft coupling, and the input shaft of reduction box 6-1 is connected with motor 6-2 by shaft coupling; Tilting in the side of smoke collection cover 1 have an one end to stretch into filling tube 3-5 in smoke collection cover 1, and the angle of the axis of the filling tube 3-5 of the present embodiment and the angle a of vertical direction is 46 °; On filling tube 3-5 side, an observation desk 4 be connected with smoke collection cover 1 is also housed; Filling tube 3-5 one end be positioned at outside smoke collection cover 1 is connected with a loading hopper 3-4, and loading hopper 3-4 is installed on observation desk 4 by anchor 3-1; The loading hopper 3-4 of the present embodiment and filling tube 3-5 is heat-resisting steel part and makes, to increase the work-ing life of loading hopper 3-4 and filling tube 3-5; At the loading hopper cover plate 3-2 that loading hopper 3-4 is hinged with, loading hopper cover plate 3-2 is contained on loading hopper 3-4 by hinge 3-6 and elevator door pull wire 3-3 is housed, one end of elevator door pull wire 3-3 is contained on loading hopper cover plate 3-2, and the other end of elevator door pull wire 3-3 is contained on the sidewall of smoke collection cover 1; In body of heater 2 side, body of heater tilted position limit switch 5 is housed; When body of heater 2 rotate abut against to its sidewall and body of heater tilted position limit switch 5 time, the opening for feed of body of heater 2 is positioned at the below that filling tube 3-5 exports.
Each stove refining furnace pour the hot refining slag of cinder ladle into, the hot refining slag of copper wherein in the first cinder inclusion bag and last cinder inclusion bag adopts by cooling, turns over slag and selects bag end copper and smashed, copper at the bottom of bag is added with solid shape in body of heater 2; All the other between the first cinder inclusion bag and last cinder inclusion bag two between the hot refining slag of copper in cinder ladle adopt and added in body of heater 2 by filling tube 3-5;
The interpolation step of the hot refining slag of its copper comprises:
A, the loading hopper cover plate 3-2 opened on loading hopper 3-4, be coated with last layer releasing agent, to increase the mobility of the hot refining slag of copper at the internal surface of loading hopper 3-4;
B, start and roll drive unit, drive body of heater 2 to be positioned at the below of filling tube 3-5 around described transverse axis 6 opening for feed rotated to body of heater 2;
C, the cinder ladle that the hot refining slag of copper is housed moved to and slips above hopper 3-4, the slag discharging port of cinder ladle and the distance L of loading hopper 3-4 control, at 200 millimeters ~ 600 millimeters, to pour in loading hopper 3-4 by hot for the copper in cinder ladle refining slag; To ensure that the hot refining slag of copper can enter in loading hopper 3-4 with liquid form fast;
The hot refining slag of copper in D, cinder ladle is toppled over complete, is covered by funnel cover plate 3-2 and is slipping on hopper 3-4.
Embodiment 2:
The angle of the axis of filling tube 3-5 and the angle a of vertical direction is 50 °, and other features are identical with embodiment 1.
Claims (2)
1. the smelting process of copper scap, comprise thick refining operation and refining procedure, it is characterized in that, the hot refining slag of copper produced by described refining procedure is poured in cinder ladle from refining furnace, then smelts in the copper scap smelting furnace by cinder ladle hot for copper refining slag being poured into thick refining operation;
This copper scap smelting furnace includes body of heater (2) and covers on described body of heater (2) smoke collection cover outward (1), described body of heater (2) is connected with an inclination drive unit driving described body of heater to rotate around transverse axis (6), tilting in the side of described smoke collection cover (1) have an one end to stretch into filling tube (3-5) in described smoke collection cover (1), and described filling tube (3-5) is provided with the loading hopper (3-4) of the loading hopper cover plate (3-2) be hinged with in described smoke collection cover (1) one end outward; Body of heater tilted position limit switch (5) is provided with in described body of heater (2) side;
The interpolation step of the hot refining slag of its copper comprises:
A, the described loading hopper cover plate (3-2) of opening on described loading hopper (3-4), coat releasing agent at the internal surface of described loading hopper (3-4);
B, start described inclination drive unit, drive described body of heater (2) to be positioned at the below of described filling tube (3-5) around described transverse axis (6) opening for feed rotated to described body of heater (2);
C, the cinder ladle that the hot refining slag of copper is housed moved to described in slip hopper (3-4) top, hot for copper in cinder ladle refining slag, at 200 millimeters ~ 600 millimeters, is poured in described loading hopper (3-4) by the slag discharging port of cinder ladle and the distance controlling of described loading hopper (3-4);
The hot refining slag of copper in D, cinder ladle is toppled over complete, described funnel cover plate (3-2) is covered at the described hopper (3-4) that slips upper.
2. the smelting process of copper scap according to claim 1, it is characterized in that, refining furnace described in each stove pour the hot refining slag of cinder ladle into, wherein the first cinder inclusion bag adopts by cooling with the hot refining slag of the copper in last cinder inclusion bag, turn over slag to select bag end copper and smashed, copper at the bottom of bag is added in described body of heater (2) with solid shape; All the other between two between the hot refining slag of copper in cinder ladle adopt and added in described body of heater (2) by described filling tube (3-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121854.XA CN104651624A (en) | 2015-03-19 | 2015-03-19 | Scrap copper smelting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121854.XA CN104651624A (en) | 2015-03-19 | 2015-03-19 | Scrap copper smelting method |
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| CN104651624A true CN104651624A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510121854.XA Pending CN104651624A (en) | 2015-03-19 | 2015-03-19 | Scrap copper smelting method |
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Cited By (1)
| 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 |
Citations (8)
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|---|---|---|---|---|
| JPS5855095B2 (en) * | 1977-02-18 | 1983-12-08 | 石川島播磨重工業株式会社 | Molten slag processing method and device |
| CN102828038A (en) * | 2012-09-07 | 2012-12-19 | 白银有色集团股份有限公司 | Method for treating converter slag of symmetrical full-slant copper melting pool smelting furnace |
| CN102828039A (en) * | 2012-09-07 | 2012-12-19 | 白银有色集团股份有限公司 | Recycling method of slag of copper melting pool smelting furnace |
| JP5122842B2 (en) * | 2007-03-14 | 2013-01-16 | 日本鋳鉄管株式会社 | Method for preventing smelting top cover |
| CN102952952A (en) * | 2012-09-26 | 2013-03-06 | 东北大学 | Method for directly restoring and recovering copper iron from smelting copper slag |
| CN103572069A (en) * | 2013-11-18 | 2014-02-12 | 梧州漓佳铜棒有限公司 | Batching and smelting method for smelting blister copper by scrap copper |
| CN104232925A (en) * | 2014-09-30 | 2014-12-24 | 济源市欣欣实业有限公司 | Method for carrying out mixed melting on multisource complex low-grade copper ores to produce white matte |
| CN104232911A (en) * | 2014-09-30 | 2014-12-24 | 济源市欣欣实业有限公司 | Method for producing white matte by mixed smelting of copper refining slags-pyrite-bornite tailings |
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2015
- 2015-03-19 CN CN201510121854.XA patent/CN104651624A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855095B2 (en) * | 1977-02-18 | 1983-12-08 | 石川島播磨重工業株式会社 | Molten slag processing method and device |
| JP5122842B2 (en) * | 2007-03-14 | 2013-01-16 | 日本鋳鉄管株式会社 | Method for preventing smelting top cover |
| CN102828038A (en) * | 2012-09-07 | 2012-12-19 | 白银有色集团股份有限公司 | Method for treating converter slag of symmetrical full-slant copper melting pool smelting furnace |
| CN102828039A (en) * | 2012-09-07 | 2012-12-19 | 白银有色集团股份有限公司 | Recycling method of slag of copper melting pool smelting furnace |
| CN102952952A (en) * | 2012-09-26 | 2013-03-06 | 东北大学 | Method for directly restoring and recovering copper iron from smelting copper slag |
| CN103572069A (en) * | 2013-11-18 | 2014-02-12 | 梧州漓佳铜棒有限公司 | Batching and smelting method for smelting blister copper by scrap copper |
| CN104232925A (en) * | 2014-09-30 | 2014-12-24 | 济源市欣欣实业有限公司 | Method for carrying out mixed melting on multisource complex low-grade copper ores to produce white matte |
| CN104232911A (en) * | 2014-09-30 | 2014-12-24 | 济源市欣欣实业有限公司 | Method for producing white matte by mixed smelting of copper refining slags-pyrite-bornite tailings |
Non-Patent Citations (1)
| Title |
|---|
| 陈波: "江铜贵冶卡尔多炉处理废杂铜冶炼工艺", 《有色冶金设计与研究》 * |
Cited By (1)
| 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 |
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Application publication date: 20150527 |
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