CN111041237A - Chromium removal method in production and refining process of antimony smelting reverberatory furnace - Google Patents
Chromium removal method in production and refining process of antimony smelting reverberatory furnace Download PDFInfo
- Publication number
- CN111041237A CN111041237A CN201911238881.XA CN201911238881A CN111041237A CN 111041237 A CN111041237 A CN 111041237A CN 201911238881 A CN201911238881 A CN 201911238881A CN 111041237 A CN111041237 A CN 111041237A
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- Prior art keywords
- chromium
- antimony
- refining
- liquid
- production
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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 chromium removing method in the production and refining process of an antimony smelting reverberatory furnace, wherein an alkali metal compound is used as a chromium removing agent, the chromium 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 tin removing agent is added at 950-1000 ℃, slag is discharged after blowing and stirring for 1 hour, the chromium content of the antimony liquid is 0.0001-0.0006% in a sampling test, the chromium-removed slag produced after the reaction is completed can float on the surface of the antimony liquid, and the chromium-removed scum is discharged out of the furnace from an operation door. The technical scheme of the invention can effectively remove the impurity chromium 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 chromium removal method in the production and refining process of an antimony smelting reverberatory furnace.
Background
In the smelting process of non-ferrous metal antimony, impurity chromium influences the quality of antimony products and restricts the application of antimony products in industry, but an effective chromium removal 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 alkali metal compounds in certain proportion to prepare the chromium eliminating agent for refining antimony, so that the chromium eliminating agent has excellent chromium eliminating effect in the refining process of the reverberatory furnace for smelting and producing antimony, has obvious economic benefit and has important significance in expanding the application field of antimony products in industry.
Disclosure of Invention
The invention aims to provide a chromium removal method in the production and 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 chromium removing method in the production and refining process of an antimony smelting reverberatory furnace uses an alkali metal compound as a chromium removing agent, the chromium content of antimony liquid before refining is 0.03-0.04%, the weight of the antimony liquid is 45-50 tons, 1.5-20 tons of prepared tin removing agent is added at 950-1000 ℃, slag is discharged after blowing and stirring for 1 hour, the chromium content of the antimony liquid is 0.0006-0.0001% after sampling and testing, chromium removing slag produced after reaction is floated on the surface of the antimony liquid, and the chromium removing scum is taken out of the furnace from an operation door.
Preferably, the weight of the antimony liquid is 45 tons, the chromium content of the antimony liquid before refining is 0.03 percent, and the tin 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 chromium content of the antimony liquid before refining is 0.04 percent, and the chromium content of the antimony liquid after sampling and testing after refining is 0.001 percent.
The technical scheme of the invention can produce good chromium removal 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
A18 square meter reverberatory furnace is used for refining chromium-removing operation, a certain alkali metal compound is used as a chromium-removing agent, 0.04 percent of antimony liquid contains chromium before refining, 50 tons of antimony liquid is estimated by weight, 1.5 tons of prepared chromium-removing agent is added at 950-1000 ℃, slag is discharged after blowing and stirring for 1 hour, a sample is taken for testing 0.001 percent of chromium in the antimony liquid, the chromium-removing effect is better than an expected value, and the chromium-removing effect is obvious.
Example 2
A16 square meter reverberatory furnace is used for refining chromium-removing operation, a certain alkali metal compound is used as a chromium-removing agent, 0.03 percent of antimony liquid contains chromium before refining, 45 tons of antimony liquid is estimated by weight, 1 ton of prepared chromium-removing agent is added at 950-1000 ℃, slag is discharged after 1 hour of blast stirring, 0.0006 percent of antimony liquid containing chromium is sampled and tested, the chromium-removing effect is superior to an expected value, and the chromium-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 chromium removing method in the production and refining process of an antimony smelting reverberatory furnace is characterized in that an alkali metal compound is used as a chromium removing agent, the chromium content of antimony liquid before refining is 0.03-0.04%, the weight of the antimony liquid is 45-50 tons, 1.5-20 tons of prepared tin removing agent is added at 950-1000 ℃, slag is discharged after blowing and stirring for 1 hour, the chromium content of the antimony liquid is 0.0006-0.0001% after sampling and testing, chromium removing slag produced after reaction is floated on the surface of the antimony liquid, and the chromium removing scum is removed out of the furnace from an operation door.
2. The method for removing chromium in the production and refining process of the antimony smelting reverberatory furnace according to claim 1, wherein the weight of the antimony liquid is 45 tons, the chromium content in the antimony liquid before refining is 0.03%, and the tin content in the antimony liquid after sampling and testing after refining is 0.0006%.
3. The method for removing chromium in the production and refining process of the antimony smelting reverberatory furnace according to claim 1, wherein the weight of the antimony liquid is 50 tons, the chromium content in the antimony liquid before refining is 0.04%, and the chromium content in the antimony liquid after sampling and testing after refining is 0.001%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238881.XA CN111041237A (en) | 2019-12-06 | 2019-12-06 | Chromium removal method in production and refining process of antimony smelting reverberatory furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238881.XA CN111041237A (en) | 2019-12-06 | 2019-12-06 | Chromium removal method in production and refining process of antimony smelting reverberatory furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111041237A true CN111041237A (en) | 2020-04-21 |
Family
ID=70234780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911238881.XA Withdrawn CN111041237A (en) | 2019-12-06 | 2019-12-06 | Chromium removal method in production and refining process of antimony smelting reverberatory furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111041237A (en) |
-
2019
- 2019-12-06 CN CN201911238881.XA patent/CN111041237A/en not_active Withdrawn
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200421 |