CN113310315A - Treatment method for cored smelting furnace after channel breakage - Google Patents
Treatment method for cored smelting furnace after channel breakage Download PDFInfo
- Publication number
- CN113310315A CN113310315A CN202110599399.XA CN202110599399A CN113310315A CN 113310315 A CN113310315 A CN 113310315A CN 202110599399 A CN202110599399 A CN 202110599399A CN 113310315 A CN113310315 A CN 113310315A
- Authority
- CN
- China
- Prior art keywords
- channel
- cored
- smelting furnace
- furnace
- broken
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003723 Smelting Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 15
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 239000010949 copper Substances 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 238000002844 melting Methods 0.000 claims abstract description 12
- 230000008018 melting Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 8
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
- F27B14/061—Induction furnaces
- F27B14/065—Channel type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/13—Smelting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention belongs to the field of non-ferrous metal smelting, and particularly relates to a treatment method of a cored smelting furnace after a channel is broken, which comprises the following steps: (1) reducing the height of the copper liquid in the cored smelting furnace to be less than 100 mm; (2) cutting off the current of the rupture channel; (3) the temperature in the furnace is controlled to be 1150-1250 ℃; (4) adding metallic tin into the fracture melting channel, wherein the weight ratio of the metallic tin to the metallic copper in the furnace of the power frequency cored smelting furnace is 1: 18-22; (5) adding metal tin, standing for 10-15min, and switching on the current of the broken channel, wherein when the current is displayed, the broken channel is communicated.
Description
Technical Field
The invention belongs to the field of non-ferrous metal smelting, and particularly relates to a treatment method of a cored smelting furnace after a channel is broken.
Background
In the non-ferrous metal industry at present, the cored smelting furnace is widely applied and is characterized by high melting speed, high thermal efficiency, less oxidation, less burning loss, uniform components and the like.
The working principle of the cored smelting furnace is equivalent to a transformer working in a short circuit state, an electrified coil is equivalent to a primary coil of the transformer, and a smelting channel is equivalent to a secondary coil of the transformer. When the primary coil is energized, the metal in the molten channel is heated by the induced current. When the heat is transferred to the hearth, the temperature of the metal in the hearth is continuously increased, so that the metal is melted. A cored smelting furnace typically includes 2-5 channels. The melting channel plays a very key role in a power frequency cored smelting furnace. How to deal with the problem of channel fracture is a technical problem in the industry and a technical problem which needs to be solved urgently. If the broken channel can be started up and restored, normal production can be recovered, and a large amount of economic loss can be recovered. The invention patent ZL201410152062.4 discloses a treatment method after the breakage of a molten channel in an up-drawing smelting furnace, but the operation is relatively complicated.
Disclosure of Invention
The invention aims to provide a treatment method after the channel of a cored smelting furnace is broken so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a treatment method of a cored smelting furnace after a channel is broken comprises the following steps:
(1) reducing the height of the copper liquid in the cored smelting furnace to be less than 100 mm;
(2) cutting off the current of the rupture channel;
(3) the temperature in the furnace is controlled to be 1150-1250 ℃;
(4) adding metallic tin into the fracture melting channel, wherein the weight ratio of the metallic tin to the metallic copper in the furnace of the power frequency cored smelting furnace is 1: 18-22;
(5) adding metal tin, standing for 10-15min, and switching on the current of the broken channel, wherein when the current is displayed, the broken channel is communicated.
Preferably, the height of the copper liquid is 90 mm.
Preferably, the temperature in the furnace is 1200 ℃.
Preferably, the weight ratio of the metal tin to the metal copper in the industrial frequency cored smelting furnace is 1: 20.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the treatment method for the core smelting furnace after the breakage of the melting channel, the broken melting channel is communicated by adopting the metallic tin with low melting point and good fluidity, so that the broken melting channel can be started up and regenerated, the service life of the smelting furnace is prolonged, the cost is saved, and the benefit is improved;
(2) according to the treatment method for the cored smelting furnace after the channel is broken, the metal tin with a specific mass proportion is adopted, and the minimum pollution is ensured on the premise that the copper fusing part is filled.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the description of the invention without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
(1) Reducing the height of the copper liquid in the cored smelting furnace to 90 mm;
(2) cutting off the current of the rupture channel;
(3) controlling the temperature in the furnace at 1200 ℃;
(4) adding metallic tin into the fracture melting channel, wherein the weight ratio of the metallic tin to the metallic copper in the furnace of the power frequency cored smelting furnace is 1: 20;
(5) adding metallic tin, standing for 12min, and switching on the current of the broken channel, wherein the current shows that the broken channel is communicated.
Example 2
A treatment method of a cored smelting furnace after a channel is broken comprises the following steps:
(1) reducing the height of the copper liquid in the cored smelting furnace to 100 mm;
(2) cutting off the current of the rupture channel;
(3) the temperature in the furnace is controlled at 1150 ℃;
(4) adding metal tin into the fracture melting channel, wherein the weight ratio of the metal tin to the metal copper in the furnace of the power frequency cored smelting furnace is 1: 18;
(5) adding metallic tin, standing for 10min, and switching on the current of the broken channel, wherein the current shows that the broken channel is communicated.
Example 3
A treatment method of a cored smelting furnace after a channel is broken comprises the following steps:
(1) reducing the height of the copper liquid in the cored smelting furnace to 100 mm;
(2) cutting off the current of the rupture channel;
(3) the temperature in the furnace is controlled at 1250 ℃;
(4) adding metallic tin into the fracture melting channel, wherein the weight ratio of the metallic tin to the metallic copper in the furnace of the power frequency cored smelting furnace is 1: 22;
(5) adding metallic tin, standing for 15min, and switching on the current of the broken channel, wherein the current shows that the broken channel is communicated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A treatment method after the channel of a cored smelting furnace is broken is characterized by comprising the following steps:
(1) reducing the height of the copper liquid in the cored smelting furnace to be less than 100 mm;
(2) cutting off the current of the rupture channel;
(3) the temperature in the furnace is controlled to be 1150-1250 ℃;
(4) adding metallic tin into the fracture melting channel, wherein the weight ratio of the metallic tin to the metallic copper in the furnace of the power frequency cored smelting furnace is 1: 18-22;
(5) adding metal tin, standing for 10-15min, and switching on the current of the broken channel, wherein when the current is displayed, the broken channel is communicated.
2. The method for treating the channel of the cored smelting furnace after the channel is broken according to the claim 1, characterized in that: the height of the copper liquid is 90 mm.
3. The method for treating the channel of the cored smelting furnace after the channel is broken according to the claim 1, characterized in that: the temperature in the furnace was 1200 ℃.
4. The method for treating the channel of the cored smelting furnace after the channel is broken according to the claim 1, characterized in that:
the weight ratio of the metal tin to the metal copper in the power frequency cored smelting furnace is 1: 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110599399.XA CN113310315A (en) | 2021-05-31 | 2021-05-31 | Treatment method for cored smelting furnace after channel breakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110599399.XA CN113310315A (en) | 2021-05-31 | 2021-05-31 | Treatment method for cored smelting furnace after channel breakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113310315A true CN113310315A (en) | 2021-08-27 |
Family
ID=77376382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110599399.XA Pending CN113310315A (en) | 2021-05-31 | 2021-05-31 | Treatment method for cored smelting furnace after channel breakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113310315A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798289A (en) * | 2012-06-25 | 2012-11-28 | 新兴铸管（浙江）铜业有限公司 | Emergency method for channel breakage of power frequency cored induction electric furnace for pure copper smelting |
-
2021
- 2021-05-31 CN CN202110599399.XA patent/CN113310315A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798289A (en) * | 2012-06-25 | 2012-11-28 | 新兴铸管（浙江）铜业有限公司 | Emergency method for channel breakage of power frequency cored induction electric furnace for pure copper smelting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100469923C (en) | High temperature copper alloy for lead frame and its making process | |
| CN106811628A (en) | A kind of method that casting and roll process produces power battery case aluminium strip | |
| CN111593207B (en) | Preparation method of low-cost fine-grain CuCr contact material | |
| KR20230042588A (en) | Refining slag for obtaining CaO-SiO2-MgO-based low-melting inclusions | |
| CN113310315A (en) | Treatment method for cored smelting furnace after channel breakage | |
| CN111282991A (en) | Preparation method of copper-aluminum composite plate strip with thick copper layer proportion | |
| CN104762488A (en) | Direct alloying method of vanadium in electroslag remelting process | |
| CN103255258A (en) | Converter smelting method of low-phosphorous and high-alloy steel | |
| CN106315643A (en) | Method for producing calcium aluminate from aluminum scrap ash | |
| CN104195410A (en) | Energy-saving smelting method of high-chromium abrasion-resistant cast iron | |
| CN105463516A (en) | Lead alloy anode plate production method | |
| CN104099443A (en) | CrMo steel scrap dephosphorization and chrome-preservation smelting process | |
| CN101818260B (en) | Method for removing tin from lead bullion by adopting brim stone | |
| CN111809064A (en) | Reserved melting groove type melting process for red copper melting furnace | |
| CN106702084B (en) | A method of reducing LF furnace power consumption | |
| CN113416882A (en) | Method for producing polycrystalline phase vanadium series alloy by utilizing waste rich material | |
| CN115505680B (en) | LF refining method for SPHC steel | |
| CN214371693U (en) | Sectional type intermediate frequency induction smelting electric furnace | |
| CN114908208B (en) | Method for smelting high alloy steel with Mn content of more than 12% by utilizing converter end temperature | |
| CN117144089A (en) | Vacuum induction smelting titanium adding process for high-temperature alloy | |
| CN101818261A (en) | Method for removing tin from lead bullion by adopting ferrous powder | |
| Ho et al. | Energy audit of a steel mill | |
| CN118002757A (en) | High-strength non-oriented silicon steel functional protection material for new energy automobile | |
| CN105483321A (en) | Method for achieving direct alloying treatment by adding manganese ore into vacuum induction furnace | |
| CN116240387A (en) | Arc starting method for slab electroslag furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210827 |
|
| RJ01 | Rejection of invention patent application after publication |