CN102796885A - Refining system and method for oxidizing high-arsenic high-antimony coarse bismuth - Google Patents
Refining system and method for oxidizing high-arsenic high-antimony coarse bismuth Download PDFInfo
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- CN102796885A CN102796885A CN2012103324319A CN201210332431A CN102796885A CN 102796885 A CN102796885 A CN 102796885A CN 2012103324319 A CN2012103324319 A CN 2012103324319A CN 201210332431 A CN201210332431 A CN 201210332431A CN 102796885 A CN102796885 A CN 102796885A
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- refining
- bismuth
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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 refining system for oxidizing high-arsenic high-antimony coarse bismuth. The system comprises a refining container, a heating device, a temperature control device, a ventilation device, a stirring device, an alkalifying device, a sawdust adding device and a slag removing device, wherein the heating device is arranged below the refining container; the temperature control device and the stirring device are arranged in the refining container; the alkalifying device and the sawdust adding device are arranged beside the refining container; the temperature control device triggers the slag removing device to work when the temperature in the refining container reaches 300 to 400 DEG C; the ventilation device comprises an air blower and an air duct which is inserted into a bismuth liquid level of the refining container; and the temperature control device triggers the slag removing device again to start cleaning molten slag on the edge of a pot when the temperature in the refining container reaches 400 to 550 DEG C and triggers the alkalifying device or the sawdust adding device to work. The system can be used for obtaining bismuth with the arsenic content of less than or equal to 0.05 percent and the antimony content of less than or equal to 0.05 percent, the refining method for treating the coarse bismuth with high arsenic, high antimony and other complicated components is developed, and raw material sources for bismuth refining are widened.
Description
Technical field
The present invention relates to a kind of rectification systems and method that the thick bismuth of the high antimony of high arsenic is carried out oxidation, is the technology that adopts pyrogenic process, is specially adapted to high arsenic, the thick bismuth of high antimony.
Term " thick bismuth " is the content that the general designation impurity content surpasses the trade mark Bi99.99 defined of the 1995-10-17 of State Bureau of Technical Supervision promulgation.
Term " alkaloid substance " is meant sheet alkali or washes the shoddye in the chlorine process.
Term " is washed the shoddye in the chlorine process " and is meant in bismuth refining procedure, drives away with sheet alkali to remain in the shoddye that the chlorine in the molten bismuth produces in the chlorination process.
Term " fusing slag " floats over the not fusant on the bismuth liquid level after being meant that thick bismuth is through fusing.
Background technology
The content of bismuth in the earth's crust is merely 10
-6About %, seldom see independent primary natural bismuth mineral, mostly with metalliferous mineral symbiosis such as tungsten, molybdenum, lead, copper, iron.So, generally all reclaiming bismuth in the by product in other main metal smelting process, it is high especially that it contains nonmetallic substances such as arsenic, antimony, smelts with water law to be difficult to handle, and needs the method for the thick bismuth of the high antimony of the high arsenic of effective refining.
Summary of the invention
The purpose of this invention is to provide a kind of rectification systems and method that the thick bismuth of the high antimony of high arsenic is carried out oxidation; It can obtain to contain arsenic≤0.05%; The bismuth that contains antimony≤0.05% has been expanded the method for refining of handling the thick bismuths of complicated ingredient such as the high antimony of high arsenic, has increased bismuth purified raw material sources.
For this reason; According to an aspect of the present invention; A kind of rectification systems that the thick bismuth of the high antimony of high arsenic is carried out oxidation is provided; It is characterized in that this system comprises refining vessel, heating unit, temperature control unit, ventilation plant, whipping appts, adder-subtractor, adds wood chip device and device for dragging dregs, heating unit is arranged on the below of refining vessel; Temperature control unit and whipping appts are arranged in the refining vessel; Adder-subtractor with add one side that the wood chip device is arranged on refining vessel, trigger device for dragging dregs when the temperature of temperature control unit in refining vessel reaches 300～400 ℃ and begin action, ventilation plant comprises guide duct in gas blower and the bismuth liquid level that inserts refining vessel; The temperature of temperature control unit in refining vessel triggers the fusing slag that device for dragging dregs begins to clear up pot limit once more when reaching 400～550 ℃, and triggers adder-subtractor or add the work of wood chip device.
Preferably, said refining vessel is iron pan or cast steel pot.
Preferably, said heating unit is electric heater unit, fuel oil heater or coal heating unit.
Preferably, said device for dragging dregs is to leak wooden dipper.
According to another aspect of the present invention, a kind of refinery practice that the thick bismuth of the high antimony of high arsenic is carried out oxidation is provided, has it is characterized in that; This technology comprises: the thick bismuth raw material of the high antimony of high arsenic is put in the refining vessel; Refining vessel is heated, make the thick bismuth raw material fusing of the high antimony of high arsenic in the refining vessel, simultaneously; The thick bismuth raw material of the high antimony of high arsenic in the refining vessel stirs, and the fusing slag occurs and promptly pulls out; Continuation is heated refining vessel, in refining vessel, feeds pressurized air; Add alkaloid substance when being cooled to 600～400 ℃, sheet alkali is more than the shoddye in the chlorine process of washing after oven dry in earlier stage, and later stage sheet alkali is less than the shoddye in the chlorine process of washing after oven dry; Pull dried slag out; When the refining later stage, shoddye appearred in the bismuth liquid level, add 2 ~ 3Kg/ pot wood chip, pull dried slag out; The bismuth liquid that remains in the refining vessel contains arsenic≤0.05%, contains antimony≤0.05%.
Preferably, said is iron pan or cast steel pot, adopts electric heater unit, fuel oil heater or coal heating unit to heat, and the device for dragging dregs of employing is to leak wooden dipper.
Preferably, in whole refinery practice, continue to stir when being warmed up to 300 ℃～400 ℃, drag for the leakage wooden dipper and melt slag.
Preferably, feed pressurized air, feed pressurized air time 4～10h at 400 ℃～550 ℃.
Preferably, the alkali number of adding alkaloid substance is 2～6% of a bismuth liquid weight.
Preferably, behind the adding alkaloid substance, when white cigarette is thin, stop refinery process.
According to the present invention after smelting process, but output contains arsenic≤0.05%, contains the bismuth of antimony≤0.05%, has expanded the method for refining of handling the thick bismuths of complicated ingredient such as the high antimony of high arsenic, has increased bismuth purified raw material sources.
Description of drawings
Fig. 1 is the rectification systems synoptic diagram that the thick bismuth of the high antimony of high arsenic is carried out oxidation of the present invention.
Embodiment
According to thick bismuth method of refining of the present invention, be raw material with high arsenic, the thick bismuth of high antimony, key step comprises:
One, heating process:
High arsenic, the thick bismuth of high antimony are packed in the cast iron/steel pot 4 through heating unit 6 fusing that heats up; Intensification limit, limit is with leaking the wooden dipper liquid bismuth that rolls from top to bottom; Temperature rises to 300 ℃～400 ℃ (preferred 350 ℃～400 ℃) approximately, drags for the fusing slag in the melts 5 with leaking wooden dipper 1, goes into slag bucket 7.
Two, feed the pressurized air operation:
Be warming up to 400 ℃～550 ℃ (preferred 450 ℃～500 ℃) after dragging for slag, the fusing slag on cleaning pot limit is gone into slag bucket 7 once more.Guide duct 3 inserts apart from bismuth liquid level 2/3 place with 60 ° of oblique angles, feeds the pressurized air of 4～10h through gas blower 2.
Three, add the alkaloid substance operation:
After guide duct 3 is inserted well, when being cooled to 600～400 ℃, add the alkaloid substance of 2～6% (preferred 2～4%) of bismuth liquid weight at once; Wherein, early stage, alkaloid substance was main with sheet alkali, and the later stage alkaloid substance is main with the shoddye of washing in the chlorine process after oven dry; Pull dried slag out, go into slag bucket 7.When the refining later stage, shoddye appearred in the bismuth liquid level, add 2～3Kg/ pot wood chip, pull dried slag out, go into slag bucket 7, it is thin that operation terminates in the white cigarette of liquid level.
Claims (10)
1. rectification systems that the thick bismuth of the high antimony of high arsenic is carried out oxidation; It is characterized in that; This system comprises refining vessel, heating unit, temperature control unit, ventilation plant, whipping appts, adder-subtractor, adds wood chip device and device for dragging dregs; Heating unit is arranged on the below of refining vessel, and temperature control unit and whipping appts are arranged in the refining vessel, adder-subtractor with add one side that the wood chip device is arranged on refining vessel; When reaching 300～400 ℃, the temperature of temperature control unit in refining vessel trigger device for dragging dregs; Ventilation plant comprises the interior guide duct of gas blower and the bismuth liquid level that inserts refining vessel, and the temperature of temperature control unit in refining vessel triggers the fusing slag that device for dragging dregs begins to clear up pot limit once more when reaching 400～550 ℃, and triggers adder-subtractor or add the work of wood chip device.
2. thick bismuth rectification systems as claimed in claim 1 is characterized in that, said refining vessel is iron pan or cast steel pot.
3. thick bismuth rectification systems as claimed in claim 1 is characterized in that, said heating unit is electric heater unit, fuel oil heater or coal heating unit.
4. thick bismuth rectification systems as claimed in claim 1 is characterized in that, said device for dragging dregs is to leak wooden dipper.
5. refinery practice that the thick bismuth of the high antimony of high arsenic is carried out oxidation; It is characterized in that this technology comprises: the thick bismuth raw material of the high antimony of high arsenic is put in the refining vessel, refining vessel is heated; Make the thick bismuth raw material fusing of the high antimony of high arsenic in the refining vessel; Simultaneously, the thick bismuth raw material of the high antimony of high arsenic in the refining vessel is stirred, the fusing slag occurs and promptly pull out; Continuation is heated refining vessel, in refining vessel, feeds pressurized air; Add alkaloid substance when being cooled to 600～400 ℃, sheet alkali is more than the shoddye in the chlorine process of washing after oven dry in earlier stage, and later stage sheet alkali is less than the shoddye in the chlorine process of washing after oven dry; Pull dried slag out; When the refining later stage, shoddye appearred in the bismuth liquid level, add 2～3Kg/ pot wood chip, pull dried slag out; The bismuth liquid that remains in the refining vessel contains arsenic≤0.05%, contains antimony≤0.05%.
6. thick bismuth method of refining as claimed in claim 5 is characterized in that, said is iron pan or cast steel pot, adopts electric heater unit, fuel oil heater or coal heating unit to heat, and the device for dragging dregs of employing is to leak wooden dipper.
7. thick bismuth method of refining as claimed in claim 5 is characterized in that, is warmed up to 300～400 ℃ of (preferred 350～400 ℃) times to continue to stir, and drags for and melts slag.
8. thick bismuth method of refining as claimed in claim 5 is characterized in that, feeds pressurized air at 400～550 ℃ (preferred 450～500 ℃), feeds pressurized air time 4～10h.
9. thick bismuth method of refining as claimed in claim 5 is characterized in that, the alkali number that adds alkaloid substance is 2～6% (preferred 2～4%) of bismuth liquid weight.
10. thick bismuth method of refining as claimed in claim 5 is characterized in that, behind the adding alkaloid substance, when white cigarette is thin, stops refinery process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332431.9A CN102796885B (en) | 2011-09-30 | 2012-09-10 | Refining system and method for oxidizing high-arsenic high-antimony coarse bismuth |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110291839A CN102329969A (en) | 2011-09-30 | 2011-09-30 | Refining method of high-tellurium crude bismuth |
| CN201110291839.1 | 2011-09-30 | ||
| CN201210332431.9A CN102796885B (en) | 2011-09-30 | 2012-09-10 | Refining system and method for oxidizing high-arsenic high-antimony coarse bismuth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102796885A true CN102796885A (en) | 2012-11-28 |
| CN102796885B CN102796885B (en) | 2014-08-27 |
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Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
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| CN201110291839A Pending CN102329969A (en) | 2011-09-30 | 2011-09-30 | Refining method of high-tellurium crude bismuth |
| CN2012204584889U Expired - Fee Related CN202786382U (en) | 2011-09-30 | 2012-09-10 | System for refining tellurium-rich crude bismuth |
| CN2012204586244U Expired - Fee Related CN202786383U (en) | 2011-09-30 | 2012-09-10 | Refining system for oxidizing high-arsenic high-antimony crude bismuth |
| CN201210332431.9A Active CN102796885B (en) | 2011-09-30 | 2012-09-10 | Refining system and method for oxidizing high-arsenic high-antimony coarse bismuth |
| CN201210332871.4A Active CN102796887B (en) | 2011-09-30 | 2012-09-10 | Method and system for refining high-tin coarse bismuth |
| CN2012204589168U Expired - Fee Related CN202744612U (en) | 2011-09-30 | 2012-09-10 | System for refining high-tin crude bismuth |
| CN201210332850.2A Active CN102796886B (en) | 2011-09-30 | 2012-09-10 | Method and system for refining high-tellurium coarse bismuth |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110291839A Pending CN102329969A (en) | 2011-09-30 | 2011-09-30 | Refining method of high-tellurium crude bismuth |
| CN2012204584889U Expired - Fee Related CN202786382U (en) | 2011-09-30 | 2012-09-10 | System for refining tellurium-rich crude bismuth |
| CN2012204586244U Expired - Fee Related CN202786383U (en) | 2011-09-30 | 2012-09-10 | Refining system for oxidizing high-arsenic high-antimony crude bismuth |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210332871.4A Active CN102796887B (en) | 2011-09-30 | 2012-09-10 | Method and system for refining high-tin coarse bismuth |
| CN2012204589168U Expired - Fee Related CN202744612U (en) | 2011-09-30 | 2012-09-10 | System for refining high-tin crude bismuth |
| CN201210332850.2A Active CN102796886B (en) | 2011-09-30 | 2012-09-10 | Method and system for refining high-tellurium coarse bismuth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107858531A (en) * | 2017-12-01 | 2018-03-30 | 云南驰宏资源综合利用有限公司 | A kind of high-arsenic antimony thick bismuth improves the method and device of bismuth direct yield when refining |
| CN115354172A (en) * | 2022-08-01 | 2022-11-18 | 河南豫光金铅股份有限公司 | Method for improving direct yield in tellurium removal process in high-tellurium crude bismuth pot refining |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102329969A (en) * | 2011-09-30 | 2012-01-25 | 江西稀有金属钨业控股集团有限公司 | Refining method of high-tellurium crude bismuth |
| CN106514123B (en) * | 2015-09-15 | 2018-06-26 | 中国航发常州兰翔机械有限责任公司 | A kind of piece surface tin bismuth fusible alloy residue minimizing technology |
| CN105803213B (en) * | 2016-04-28 | 2018-03-13 | 河南金利金铅集团有限公司 | The method that bismuth is refined from slag bismuth oxide |
| CN111519041A (en) * | 2020-06-23 | 2020-08-11 | 云南锡业股份有限公司锡业分公司 | Crude tin refining slag-dragging device and method for removing arsenic, iron, copper and antimony in crude tin refining |
| CN111850323A (en) * | 2020-07-28 | 2020-10-30 | 贵溪三元金属有限公司 | Method for refining crude bismuth step by step and continuous vacuum furnace used by same |
| CN112410571A (en) * | 2020-11-24 | 2021-02-26 | 清远科林特克新材料有限公司 | Preparation method of bismuth ball |
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| JP2000109939A (en) * | 1998-10-05 | 2000-04-18 | Nippon Mining & Metals Co Ltd | Separation of lead, tin and bismuth from lead slag |
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| CN101914694B (en) * | 2010-09-08 | 2011-07-27 | 江西稀有金属钨业控股集团有限公司 | Refining method of crude bismuth containing high silver and high copper |
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- 2011-09-30 CN CN201110291839A patent/CN102329969A/en active Pending
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- 2012-09-10 CN CN2012204584889U patent/CN202786382U/en not_active Expired - Fee Related
- 2012-09-10 CN CN2012204586244U patent/CN202786383U/en not_active Expired - Fee Related
- 2012-09-10 CN CN201210332431.9A patent/CN102796885B/en active Active
- 2012-09-10 CN CN201210332871.4A patent/CN102796887B/en active Active
- 2012-09-10 CN CN2012204589168U patent/CN202744612U/en not_active Expired - Fee Related
- 2012-09-10 CN CN201210332850.2A patent/CN102796886B/en active Active
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| JP2000109939A (en) * | 1998-10-05 | 2000-04-18 | Nippon Mining & Metals Co Ltd | Separation of lead, tin and bismuth from lead slag |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107858531A (en) * | 2017-12-01 | 2018-03-30 | 云南驰宏资源综合利用有限公司 | A kind of high-arsenic antimony thick bismuth improves the method and device of bismuth direct yield when refining |
| CN115354172A (en) * | 2022-08-01 | 2022-11-18 | 河南豫光金铅股份有限公司 | Method for improving direct yield in tellurium removal process in high-tellurium crude bismuth pot refining |
| CN115354172B (en) * | 2022-08-01 | 2024-01-23 | 河南豫光金铅股份有限公司 | Method for improving direct yield of tellurium removal process in refining of high tellurium crude bismuth pot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102796887A (en) | 2012-11-28 |
| CN202744612U (en) | 2013-02-20 |
| CN102329969A (en) | 2012-01-25 |
| CN202786382U (en) | 2013-03-13 |
| CN102796886A (en) | 2012-11-28 |
| CN102796886B (en) | 2014-08-13 |
| CN102796887B (en) | 2014-08-27 |
| CN102796885B (en) | 2014-08-27 |
| CN202786383U (en) | 2013-03-13 |
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