CN102134652B - Process for preliminarily separating antimony from gold in antimony-gold material - Google Patents
Process for preliminarily separating antimony from gold in antimony-gold material Download PDFInfo
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- CN102134652B CN102134652B CN 201110032546 CN201110032546A CN102134652B CN 102134652 B CN102134652 B CN 102134652B CN 201110032546 CN201110032546 CN 201110032546 CN 201110032546 A CN201110032546 A CN 201110032546A CN 102134652 B CN102134652 B CN 102134652B
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Abstract
The invention discloses a process for preliminarily separating antimony from gold in an antimony-gold material, comprising the steps of: adding a percentage of lime in the antimony-gold material with diameter of less than 5mm and pressing the antimony-gold material to be spherical; drying the antimony-gold material and inputting blocky antimony-gold material in a blast furnace; adding iron ore, lime stone and coke into the blocky antimony-gold material, and volatilizing and smelting the blocky antimony-gold material with the blast furnace, wherein most of the antimony is oxidized into antimony oxide including 75-78% of antimony to be volatilized and a small part of the antimony enters an external crucible through throat port with other sulfides and gold to be separated so that waste slag, antimony matte and expensive antimony including 800-1000g/t of gold grade are obtained and the preliminary separation of the antimony and the gold is realized. By means of the process, the problem that the antimony and the gold in the antimony-gold material cannot be separated perfectly is solved; and production proves that both the direct yields of the antimony and the gold are above 90%.
Description
Technical field
The invention belongs to a kind of antimony gold mineral intergrowth initial gross separation antimony and golden technology in the golden field of metallurgy.
Background technology
Antimony Metal 99.65& 99.96 and gold are important metals, and except mainly aspects such as metallurgical alloying, currency deposit and remittance are used, the while has widely-used in others such as chemical industry, military affairs.Along with the scarcity of Mineral resources, the antimony gold mine is produced the comprehensive utilization of reasonable resources ground, can not only create profit for enterprise, and create the wealth for country.
At present, the domestic technology that has the use blast furnace to handle single antimony ore.In the blast furnace smelting process, the ANTIMONY SULPHIDE volatilization oxidation in the antimong-containing material, gangue slag making is simultaneously emitted by cupola well, and primary product is the weisspiessglanz that in condenser system, distils.The technology of handling gold mine is also arranged, like roasting-extract technology.But do not report the technology of handling antimony gold mineral intergrowth.
Summary of the invention
The objective of the invention is to antimony gold mineral intergrowth, proposes a kind of antimony, gold of making and separate fully, gold, antimony direct yield are high, and antimony gold material flexibility is strong, good in economic efficiency, can well realize antimony and golden initial gross separation technology in the antimony gold material of suitability for industrialized production.
The objective of the invention is to realize through following manner:
Technology of the present invention is: with carrying out volatile smelting in antimony gold material and iron ore, Wingdale and the coke recycle input blast furnace; Non-bulk sb gold raw material in the antimony gold material is to be equipped with the lime that accounts for this antimony gold raw materials quality per-cent 7-11%; Suppress agglomerating ball, after being dried to moisture 5-7%, drop in the blast furnace again; Catch golden agent from external crucible input hair antimony or high plumbous your antimony, the weight content of said each composition of hair antimony is Sb:85-90%, Pb:5-10%, and the weight content of plumbous your each composition of antimony of said height is Sb:75-80%, Pb:10-15%, Au:100-200g/t; Melt flows into the external crucible from the air blast cupola well through the throat mouth between blast furnace and the external crucible, carry out settlement separate because the difference of the proportion of various materials size in the melt; In the external crucible reverberatory furnace, form the layering of three kinds of compositions of waste residue, antimony sulfonium and your antimony; Bed tempertaure is not less than 1150 ℃ before the control, and (guaranteeing the flowability of various melts in the external crucible) emitted auriferous your antimony (through technology of the present invention at the external crucible plug for outlet; The expensive antimony of gained contains gold grade can reach 800-1200g/t), reach the enrichment of gold; Most of antimony is oxidized to the weisspiessglanz volatilization in blast furnace, form the weisspiessglanz that contains antimony 75-78%, realizes the initial gross separation of antimony gold; Antimony sulfonium and waste residue are emitted from the antimony sulfonium mouth and the slag notch of external crucible respectively.
Only if the bulk sb gold raw material of antimony gold material in dropping into blast furnace processed the ball; Also include a kind of in bulk sb gold raw material, the intermediate material or their mixture; Described intermediate material comprises by output bubble slag in weisspiessglanz reducing and smelting furnace, the antimony refining furnace; Brick slag, antimony slag and antimony sulfonium.But the intermediate material amount is less, generally only accounts for the 5-10% of whole antimony gold inventory.
The diameter of said non-blocky antimony gold material is below 5mm.
Said antimony gold raw material is the antimony Gold Ore, and wherein the weight content of each composition is: As:2-2.5%, Au:50-65g/t, Pb:0.2-0.3%, Sb:30-35%, Si02:13-18%.
Temperature of reaction is 1000 ℃～1300 ℃ in the blast furnace, 3 hours～4.5 hours reaction times.
External crucible reverberatory furnace temperature is preferably 1150 ℃～1250 ℃.The control hierarchy time is 3-4h.
Described dosing is: iron ore accounts for the 16-23% of antimony gold quality of material, and Wingdale accounts for the 4-10% of antimony gold quality of material.
The slag type of the waste residue in the control external crucible reverberatory furnace, the mass ratio of best slag type is SiO
2: FeO: CaO=32-34: 28-30: 16-18, mobile to guarantee scum silica frost.
Coke ratio (being the mass percent that coke accounts for antimony gold material) is 24-29%.
The equipment of blasting that in blast furnace, blasts air is the 155Kw Root's blower, and running frequency is 35-42Hz.
Said input hair antimony or high plumbous your antimony are caught golden agent, and input amount is the 230-460kg/ stove.The interpolation time adds for put the stove back that finishes at every turn; The addition of golden agent is caught in the antimony amount that the contains decision of looking every batch of input material, and the addition of catching golden agent contains the antimony amount with the input material and is inversely proportional to.
Said recycle feed is coke → antimony gold material (group's ball raw material) → solvent (iron ore, Wingdale) → coke recycle feed so repeatedly.Recycle feed pitch time is that 10-15min/ criticizes.
The stock column height of blast furnace charging is the above 400-900mm in air port.
Said various medicament standard: contain FeO in the iron ore greater than 53%, contain CaO in the Wingdale, contain C in the coke greater than 80% greater than 45%.
The realization that method of the present invention is successful suitability for industrialized production.It possesses following characteristics: 1. realized antimony and golden initial gross separation in the antimony gold material; 2. the total yield of antimony, gold is high, all can reach more than 90%.3. the resulting weisspiessglanz (Sb:75-78% of technology of the present invention; Au:3-5g/t) with your antimony (Sb:80-85%; Au:800-1200g/t); (weisspiessglanz retailoring requires weisspiessglanz to contain Sb＞70%, and your antimony your antimony melting requires contain Sb＞75%, Au＞750g/t) can both to reach the isolating specification of quality of the further antimony of the retailoring of subsequent processing weisspiessglanz and your antimony melting gold; 4. adaptability to raw material is strong.Can not only handle various ANTIMONY SULPHIDEs gold materials and can handle the golden material of weisspiessglanz of various slag class things.5. treatment capacity is big.Specific capacity can reach 27-33t/m
2D.
Description of drawings
Accompanying drawing is a concrete process flow sheet of the present invention.
Embodiment
Below embodiment be intended to explain the present invention rather than to further qualification of the present invention.The present invention can implement with the described any way of summary of the invention.
Embodiment 1:
After the following antimony of 5mm gold raw material suppressed agglomerating ball drying, be equipped with 16% iron ore, 7.3% Wingdale; Coke ratio is 28%, and the golden agent of catching that drops into the external crucible reverberatory furnace is a 345kg hair antimony, and blower frequency is 43Hz; The feed space interval is 13min, and the stock column height is 750-800mm before the blanking.1200 ℃ of temperature of reaction, in 4 hours reaction times, external crucible reverberatory furnace temperature is 1200 ℃.The weisspiessglanz of output contains antimony 77.4%, and your antimony contains golden 816.13g/t.
Embodiment 2:
After the following antimony of 5mm gold raw material suppressed agglomerating ball drying, be equipped with 16% iron ore, 6.6% Wingdale; Coke ratio is 25.3%, and the golden agent of catching that drops into the external crucible reverberatory furnace is a 460kg hair antimony, and blower frequency is 42Hz; The feed space interval is 14min, and the stock column height is 800-850mm before the blanking.1200 ℃ of temperature of reaction, in 4 hours reaction times, external crucible reverberatory furnace temperature is 1200 ℃.The weisspiessglanz of output contains antimony 79.8%, and your antimony contains golden 843.87g/t.
Embodiment 3:
After the following antimony of 5mm gold raw material suppressed agglomerating ball drying, be equipped with 17.3% iron ore, 4% Wingdale; Coke ratio is 28%, and the golden agent of catching that drops into the external crucible reverberatory furnace is a 345kg hair antimony, and blower frequency is 42Hz; The feed space interval is 13min, and the stock column height is 800-850mm before the blanking.1200 ℃ of temperature of reaction, in 4 hours reaction times, external crucible reverberatory furnace temperature is 1200 ℃.The weisspiessglanz of output contains antimony 79.8%, and your antimony contains golden 843.87g/t.
Embodiment 4:
After the following antimony of 5mm gold raw material suppressed agglomerating ball drying, be equipped with 16% iron ore, 4% Wingdale; Coke ratio is 27.5%, and 14% the antimony sulfonium of arranging in pairs or groups, 4% reverberatory furnace bubble slag; 4% reverberatory furnace antimony slag, the golden agent of catching that drops into the external crucible reverberatory furnace is a 460kg hair antimony, blower frequency is 42Hz; The feed space interval is 13min, and the stock column height is 800-850mm before the blanking.1200 ℃ of temperature of reaction, in 3.5 hours reaction times, external crucible reverberatory furnace temperature is 1200 ℃.The weisspiessglanz of output contains antimony 75.6%, and your antimony contains golden 805.52g/t.
Claims (1)
1. the initial gross separation technology of the antimony in the antimony gold material and gold may further comprise the steps:
With carrying out volatile smelting in antimony gold material and iron ore, Wingdale and the coke recycle input blast furnace; Non-blocky antimony gold raw material in the antimony gold material is to be equipped with the lime that accounts for this antimony gold raw materials quality per-cent 7-11%; Suppress agglomerating ball, and drop in the blast furnace again after being dried to moisture 5-7%; Catch golden agent from external crucible input hair antimony or high plumbous your antimony, the weight content of said each composition of hair antimony is Sb:85-90%, Pb:5-10%; The weight content of plumbous your each composition of antimony of said height is Sb:75-80%, Pb:10-15%, Au:100-200g/t; Melt carries out settlement separate from air blast cupola well inflow external crucible through the throat mouth between blast furnace and the external crucible; In the external crucible reverberatory furnace, form the layering of waste residue, antimony sulfonium and your antimony; Bed tempertaure is not less than 1150 ℃ before the control, guarantees the flowability of various melts in the external crucible, and the control hierarchy time is 3-4h; Emit auriferous your antimony at the external crucible plug for outlet, reach the enrichment of gold; Most of antimony is oxidized to the weisspiessglanz volatilization in blast furnace, form the weisspiessglanz that contains antimony 75-78%, realizes the initial gross separation of antimony gold; Antimony sulfonium and waste residue are emitted from the antimony sulfonium mouth and the slag notch of external crucible respectively;
The diameter of said non-blocky antimony gold raw material is below 5mm;
The weight content of each composition is in the described antimony gold raw material: As:2-2.5%, Au:50-65g/t, Pb:0.2-0.3%, Sb:30-35%, SiO2:13-18%;
Described iron ore accounts for the 16-23% of antimony gold quality of material, and Wingdale accounts for the 4-10% of antimony gold quality of material, and coke accounts for the 24-29% of antimony gold quality of material;
Contain FeO in the iron ore greater than 53%, contain CaO in the Wingdale, contain C in the coke greater than 80% greater than 45%;
Said input hair antimony or high plumbous your antimony are caught golden agent, and input amount is the 230-460kg/ stove;
The recycle feed mode is coke → antimony gold material → iron ore and Wingdale → coke, recycle feed so repeatedly, and recycle feed pitch time is that 10-15min/ criticizes;
1000 ℃～1300 ℃ of described blast furnace interior reaction temperatures, reaction times 3-4.5h;
The stock column height of blast furnace charging is the above 400-900mm in air port;
The equipment of blasting that in blast furnace, blasts air is the 155KW Root's blower, and running frequency is 35-42Hz;
In the layering, control slag type SiO in the waste residue in the external crucible reverberatory furnace
2: mass ratio=32-34:28-30:16-18 of FeO:CaO.
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| CN 201110032546 CN102134652B (en) | 2011-01-30 | 2011-01-30 | Process for preliminarily separating antimony from gold in antimony-gold material |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534256A (en) * | 2012-03-29 | 2012-07-04 | 锡矿山闪星锑业有限责任公司 | Stibium blast furnace for generating antimony matte, device of coarse stibium blowing furnace and direct converting method |
| CN103572067A (en) * | 2012-08-01 | 2014-02-12 | 湖南东港锑品有限公司 | Method for collecting gold by smelting low gold antimony ores in blast furnace |
| CN104152721B (en) * | 2014-08-25 | 2016-06-15 | 湖南辰州矿业股份有限公司 | A kind of refine antimony while separation antimony, gold technique |
| CN107043859A (en) * | 2017-03-07 | 2017-08-15 | 广西田阳金鹏冶炼有限公司 | Antimony gold separating technology during a kind of antimony pyrometallurgical smelting |
| CN107460337B (en) * | 2017-08-23 | 2019-01-18 | 中南大学 | A kind of method that wealth and rank antimony control current potential is enriched with and prepares four or nine gold medals |
| CN108823426A (en) * | 2018-07-13 | 2018-11-16 | 中南大学 | A kind of method of rich golden iron sulfonium melting back extraction Concentration of Gold |
| CN109576507B (en) * | 2019-01-21 | 2020-09-15 | 中南大学 | Process for continuously separating antimony from gold in antimony-gold concentrate |
| CN111020227A (en) * | 2019-12-12 | 2020-04-17 | 锡矿山闪星锑业有限责任公司 | Smelting process of gold and antimony-containing concentrate |
| CN114015897B (en) * | 2021-11-10 | 2022-09-27 | 中南大学 | Method for extracting antimony and gold from antimony-gold concentrate |
| CN115369265B (en) * | 2022-07-18 | 2023-07-14 | 湖南辰州矿业有限责任公司 | Method for reducing gold-containing index of antimony matte of antimony-gold blast furnace |
Citations (2)
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| CN87102039A (en) * | 1987-06-15 | 1988-12-28 | 张宏君 | Antimony, gold smelting technology |
| CN101942575A (en) * | 2010-08-27 | 2011-01-12 | 河南豫光金铅股份有限公司 | Production method of continuous antimony smelting by bottom blowing bath smelting of stibnite and device thereof |
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2011
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102039A (en) * | 1987-06-15 | 1988-12-28 | 张宏君 | Antimony, gold smelting technology |
| CN101942575A (en) * | 2010-08-27 | 2011-01-12 | 河南豫光金铅股份有限公司 | Production method of continuous antimony smelting by bottom blowing bath smelting of stibnite and device thereof |
Non-Patent Citations (1)
| Title |
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| 刘共元等.鼓风炉挥发熔炼锑金精矿工艺探讨.《有色金属》.2003,(第3期),第35页第1节-第37页第7节. * |
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Address after: 419607, Hunan, Huaihua province Yuanling County town of Wo Wo Village Patentee after: Chenzhou Mining Industry Co., Ltd., Hunan Address before: 419607, Huaihua County, Hunan City, Yuanling Province Patentee before: Hu'nan Chenzhou Mining Co., Ltd. |