CN111057872A - Bismuth removing method in refining process of antimony smelting reverberatory furnace - Google Patents
Bismuth removing method in refining process of antimony smelting reverberatory furnace Download PDFInfo
- Publication number
- CN111057872A CN111057872A CN201911238805.9A CN201911238805A CN111057872A CN 111057872 A CN111057872 A CN 111057872A CN 201911238805 A CN201911238805 A CN 201911238805A CN 111057872 A CN111057872 A CN 111057872A
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- China
- Prior art keywords
- bismuth
- antimony
- refining
- liquid
- tons
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B30/00—Obtaining antimony, arsenic or bismuth
- C22B30/02—Obtaining antimony
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to the technical field of non-ferrous metal antimony smelting, and discloses a bismuth removing method in the refining process of an antimony smelting reverberatory furnace, wherein a compound of certain alkali metal is used as a bismuth removing agent, the bismuth content of antimony liquid before refining is 0.03-0.05%, the weight of the antimony liquid is 45-50 tons, 1.5-2 tons of prepared bismuth removing agent is added at 950-1000 ℃, slag is discharged after blowing and stirring for 1 hour, the bismuth content of the antimony liquid is tested by sampling and 0.0001-0.0006%, bismuth-removed slag produced after the reaction is finished can float on the surface of the antimony liquid, and bismuth-removed scum is discharged out of the furnace from an operation door. The technical scheme of the invention can effectively remove the impurity bismuth element in the antimony, has obvious economic benefit and has important significance for expanding the application field of antimony products in industry.
Description
Technical Field
The invention relates to the technical field of non-ferrous metal antimony smelting, in particular to a bismuth removing method in the refining process of an antimony smelting reverberatory furnace.
Background
In the smelting process of non-ferrous metal antimony, the impurity bismuth affects the quality of antimony products and restricts the application of antimony products in industry, but an effective bismuth removing method in the production and refining process of an antimony smelting reverberatory furnace is not available in the industry to date.
During the course of research and practice on this method, the inventors of the present invention found that: a compound comprising an alkali metal; the alkali metal compound is used alone or mixed with several kinds of compounds in certain proportion to prepare the bismuth removing agent for antimony refining, so that the bismuth removing agent has a good bismuth removing effect in the refining process of the reverberatory furnace for antimony smelting production, has obvious economic benefit, and has important significance for expanding the application field of antimony products in industry.
Disclosure of Invention
The invention aims to provide a bismuth removing method in the refining process of an antimony smelting reverberatory furnace, so as to achieve the effects of improving the production efficiency, reducing the energy consumption and realizing clean production.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a bismuth removing method in the refining process of an antimony smelting reverberatory furnace uses a compound of certain alkali metal as a tin removing agent, the bismuth content of antimony liquid before refining is 0.03-0.05%, the weight of the antimony liquid is 45-50 tons, 1.5-20 tons of prepared bismuth removing agent is added at 950-1000 ℃, slag is discharged after blowing and stirring for 1 hour, the bismuth content of the antimony liquid is 0.0001-0.0006% after sampling and testing, bismuth-removed slag produced after the reaction is floated on the surface of the antimony liquid, and bismuth-removed scum is taken out of the furnace from an operation door.
Preferably, the weight of the antimony liquid is 45 tons, the bismuth content of the antimony liquid before refining is 0.03 percent, and the bismuth content of the antimony liquid after sampling and testing after refining is 0.0006 percent.
Preferably, the weight of the antimony liquid is 50 tons, the bismuth content of the antimony liquid before refining is 0.05 percent, and the bismuth content of the antimony liquid after sampling and testing after refining is 0.001 percent.
The technical scheme of the invention can produce good bismuth removing effect in the refining process of the reverberatory furnace for antimony smelting production, has obvious economic benefit and has important significance for expanding the application field of antimony products in industry.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The bismuth removing operation of the refining of a square meter 18 reverberatory furnace, a compound of certain alkali metal is used as a bismuth removing agent, the content of bismuth in antimony liquid before refining is 0.05 percent, the weight of the antimony liquid is estimated to be 50 tons, 2 tons of prepared bismuth removing agent is added at 950-1000 ℃, slag is discharged after blowing and stirring for 1 hour, the bismuth content of the antimony liquid is 0.001 percent after sampling and testing, which is superior to the expected value, and the bismuth removing effect is obvious.
Example 2
A16 square meter reverberatory furnace is used for refining and detinning, a compound of certain alkali metal is used as a bismuth removing agent, the content of bismuth in antimony liquid is 0.03 percent before refining, the weight of the antimony liquid is estimated to be 45 tons, 1.5 tons of prepared bismuth removing agent is added at 950-1000 ℃, slag is discharged after blowing and stirring for 1 hour, the content of bismuth in antimony liquid is tested by sampling is 0.0006 percent, the bismuth removing effect is better than the expected value, and the bismuth removing effect is obvious.
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 (3)
1. A method for removing bismuth in the refining process of an antimony smelting reverberatory furnace is characterized in that an alkali metal compound is used as a bismuth removing agent, the bismuth content of antimony liquid before refining is 0.03-0.05%, the weight of the antimony liquid is 45-50 tons, 1.5-2 tons of the prepared bismuth removing agent is added at 950-1000 ℃, slag is discharged after blowing and stirring for 1 hour, the bismuth content of the antimony liquid is 0.0001-0.0006% after sampling and testing, bismuth-removed slag produced after the reaction is finished can float on the surface of the antimony liquid, and bismuth-removed scum is taken out of the furnace from an operation door.
2. The method for removing bismuth in the refining process of the antimony smelting reverberatory furnace according to claim 1, wherein the weight of the antimony liquid is 45 tons, the bismuth content in the antimony liquid before refining is 0.03%, and the bismuth content in the antimony liquid after sampling and testing after refining is 0.0006%.
3. The method for removing bismuth in the refining process of the antimony smelting reverberatory furnace according to claim 1, wherein the weight of the antimony liquid is 50 tons, the bismuth content in the antimony liquid before refining is 0.05%, and the bismuth content in the antimony liquid after sampling and testing after refining is 0.001%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238805.9A CN111057872A (en) | 2019-12-06 | 2019-12-06 | Bismuth removing method in refining process of antimony smelting reverberatory furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238805.9A CN111057872A (en) | 2019-12-06 | 2019-12-06 | Bismuth removing method in refining process of antimony smelting reverberatory furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111057872A true CN111057872A (en) | 2020-04-24 |
Family
ID=70300139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911238805.9A Withdrawn CN111057872A (en) | 2019-12-06 | 2019-12-06 | Bismuth removing method in refining process of antimony smelting reverberatory furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111057872A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044781A (en) * | 2022-06-06 | 2022-09-13 | 广西万仕智稀贵金属科技有限公司 | Bismuth removing device for pyrometallurgy of antimony ore containing bismuth and antimony |
-
2019
- 2019-12-06 CN CN201911238805.9A patent/CN111057872A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044781A (en) * | 2022-06-06 | 2022-09-13 | 广西万仕智稀贵金属科技有限公司 | Bismuth removing device for pyrometallurgy of antimony ore containing bismuth and antimony |
| CN115044781B (en) * | 2022-06-06 | 2023-08-15 | 广西万仕智稀贵金属科技有限公司 | Bismuth removing device for pyrometallurgy of bismuth-containing antimonic ore |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200424 |
|
| WW01 | Invention patent application withdrawn after publication |