CN201834960U - Coarse bismuth refining device - Google Patents
Coarse bismuth refining device Download PDFInfo
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- CN201834960U CN201834960U CN201020521086XU CN201020521086U CN201834960U CN 201834960 U CN201834960 U CN 201834960U CN 201020521086X U CN201020521086X U CN 201020521086XU CN 201020521086 U CN201020521086 U CN 201020521086U CN 201834960 U CN201834960 U CN 201834960U
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- liquid pump
- kier
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Abstract
The utility model relates to the field of metal refining, in particular to a coarse bismuth refining device. The coarse bismuth refining device comprises a first refining pot, a second refining pot and a third refining pot which are sequentially connected in series and communicated, wherein a stirring blade rod of a stirring machine vertically extends into a pot body of the first refining pot, a first liquid pump, a second liquid pump and a third liquid pump are respectively erected above pot surfaces of the first refining pot, the second refining pot and the third refining pot, a first liquid pumping pipe of the first liquid pump extends into the bottom of the first refining pot, a first liquid discharge pipe of the first liquid pump extends into the pot body of the second refining pot, a second liquid pumping pipe of the second liquid pump extends into the bottom of the second refining pipe, a second liquid discharge pipe of the second liquid pump extends into a pot body of the third refining pot, a third liquid pumping pipe of the third liquid pump extends into the bottom of the third refining pot, and the third liquid discharge pipe of the third liquid pump extends into a bismuth hopper arranged on a ground rail. The coarse bismuth refining device has reasonable structural design, can realize the refining of the coarse bismuth at a high standard, has simple process and strong controllability and is safer.
Description
Technical field
The utility model relates to the refining of metal field, particularly relates to a kind of thick bismuth a refining unit.
Background technology
Bismuth can be made low melting point alloy, is used for safety shutoff or type metal; Bismuthyl carbonate and bismuthyl nitrate are as medicine; Bismuth oxide is used for glass, china and pottery industry; Bismuth compound is added in the makeup as SYNTHETIC OPTICAL WHITNER and pearling agent.The content of bismuth in the earth's crust only is about 10-6 %, seldom sees independent primary natural bismuth mineral, mostly with metalliferous mineral symbiosis such as tungsten, molybdenum, lead, copper, iron.So generally all reclaim bismuth in the by product in other main metal smelting process.Bismuth is to exist with high-copper, high silver-colored bismuth alloy form at the byproduct of some technology.The general method of refining of thick bismuth have strict requirement to the impure unit of thick bismuth in the past, and therefore a refining unit for thick bismuth has higher requirement.
In patent specification, term " thick bismuth " is by Cu:0.5-5%, Ag:1-4%, Bi:75-95%, and all the other also have the thick bismuth that one-tenth such as a small amount of arsenic, antimony, tellurium, iron are grouped into, and each components contents represents to be mass percent in the wherein thick bismuth.
Term " fusing slag " floats over the not fusant on the bismuth liquid level after being meant that thick bismuth is through fusing.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of a refining unit of thick bismuth is provided.
In order to realize the utility model purpose, the technical solution adopted in the utility model is:
A kind of thick bismuth a refining unit, comprise first kier, second kier, the 3rd kier that series connection successively is communicated with, the paddle bar of stirrer vertically stretches in the pot body of first kier, the pot face top of described first kier, second kier, the 3rd kier has been set up first liquid pump, second liquid pump, the 3rd liquid pump respectively, first pumping pipe of first liquid pump stretches into the bottom of first kier, and first liquid discharge pipe of first liquid pump stretches in the pot body of second kier; Second pumping pipe of second liquid pump stretches into the bottom of second kier, and second liquid discharge pipe of second liquid pump stretches in the pot body of the 3rd kier; The 3rd pumping pipe of the 3rd liquid pump stretches into the bottom of the 3rd kier, and the 3rd liquid discharge pipe of the 3rd liquid pump stretches into the bismuth bucket on the rail road, ground;
Chlorine tube stretches in the pot body of second kier, and first blast main stretches in the pot body of first kier, and second blast main stretches in the pot body of the 3rd kier.
Described first liquid pump, second liquid pump, the 3rd liquid pump are spiral pump.
Described chlorine tube is more than three.
The beneficial effects of the utility model:
1, reasonable in design, the refining of the thick bismuth of the high-level realization of energy.
2, technology is simple, and controllability is strong, and is safer.
Description of drawings
Fig. 1 is the structural representation of the thick bismuth a refining unit of the utility model.
Among the figure, 1 is first kier, and 2 is second kier, 3 is the 3rd kier, and 4 is stirrer, and 5 is the paddle bar, 6 is first liquid pump, and 7 is second liquid pump, and 8 is the 3rd liquid pump, 9 is first pumping pipe, and 9 ' is first liquid discharge pipe, and 10 is second pumping pipe, 10 ' is second liquid discharge pipe, and 11 is the 3rd pumping pipe, and 11 ' is the 3rd liquid discharge pipe, 12 is chlorine tube, and 13 is first blast main, and 14 is second blast main.
Embodiment
Embodiment one: referring to Fig. 1.
A kind of thick bismuth a refining unit, comprise first kier 1, second kier 2, the 3rd kier 3 that series connection successively is communicated with, the paddle bar 5 of stirrer 4 vertically stretches in the pot body of first kier 1, the pot face top of described first kier 1, second kier 2, the 3rd kier 3 has been set up first liquid pump 6, second liquid pump 7, the 3rd liquid pump 8 respectively, first pumping pipe 9 of first liquid pump 6 stretches into the bottom of first kier 1, and first liquid discharge pipe 9 ' of first liquid pump 6 stretches in the pot body of second kier 2; Second pumping pipe 10 of second liquid pump 7 stretches into the bottom of second kier 2, and second liquid discharge pipe 10 ' of second liquid pump 7 stretches in the pot body of the 3rd kier 3; The 3rd pumping pipe 11 of the 3rd liquid pump 8 stretches into the bottom of the 3rd kier 3, and the 3rd liquid discharge pipe 11 ' of the 3rd liquid pump 8 stretches into the bismuth bucket on the rail road, ground.
Chlorine tube 12 stretches in the pot body of second kier 2, and first blast main 13 stretches in the pot body of first kier 1, and second blast main 14 stretches in the pot body of the 3rd kier 3.
Described first liquid pump 6, second liquid pump 7, the 3rd liquid pump 8 are spiral pump.
Chlorine tube is one.
Utilizing this device to carry out the process that thick bismuth refining obtains bismuth ingot realizes through following process:
1, adds the sulphur copper removal
Thick bismuth is packed in first kier 1, the fusing that heats up, temperature rises to 500-600 ℃ approximately, temperature of fusion is 500-550 ℃, treat that thick bismuth melts fully after, drag for and melt slag;
Be cooled to 280-350 ℃ after dragging for slag, preferred 290-330 ℃, start stirrer 4, the leaf bar 5 of stirrer 4 stirs thick bismuth liquation, adds sulphur while stirring, and SULPHUR POWDER is added in the thick bismuth liquation vortex core of stirring, and stirs into Cu
2S, this moment, the bismuth liquid temp was controlled at below 330 ℃, prevented the excessive scaling loss of sulphur.
Main reaction formula is:
2Bi+3S=Bi
2S
3
Bi2S3+6Cu=2Bi?+3Cu
2S?(S)
Add sulphur and progressively be warming up to 500-550 ℃, preferred 500-520 ℃, stir and stopped stirrer in 20-30 minute, because Cu
2The fusing point of S is 1100
0More than the C, so the copper in the thick bismuth is with Cu
2The pressed powder of S or bits form are present in the thick bismuth liquation, and Cu
2The proportion of S can swim in the surface of thick bismuth liquation, with Cu less than the proportion of Bi
2S pressed powder or bits are pulled out with the leakage wooden dipper;
Drag in the bismuth liquid behind the slag and contain residual sulphur in the thick bismuth liquation, bismuth liquid is warming up to 550-650 ℃, preferred 600-650 ℃, in thick bismuth liquation, blast air by first blast main 13, make residual sulphur oxidation be SO
2Gaseous state is overflowed.
Main reaction formula is:
S+O
2=SO
2 á?(g)
2, zincification desilver
To pump into second kier 2 with first liquid pump 6 through the thick bismuth liquation that adds the sulphur copper removal, be warming up to about 500 ℃, add zinc ingot metal, insulation, melt the back fully to zinc ingot metal and lower the temperature, zinc and silver can generate compound between a series of infusible Ag-Zn, are the scum silica frost form and separate with bismuth liquid, insulation treats that zinc ingot metal melts fully, silver-colored slag is dragged in cooling, is warming up to 400-450 ℃ after having dragged for slag, preferably 400-420 ℃, get the bismuth sample and analyze Ag, Cu, only contain Ag≤0.003%, Cu≤0.001% until bismuth liquid.
The principal reaction formula:
Ag+αZn=?Ag?Zn
α
3, logical chlorine dezincification, lead
In second kier 2 in the bismuth liquid impurity A g, Cu qualified after, be cooled to 300 ~ 350 ℃ (preferred 320 ~ 340 ℃) and feed chlorine, in second kier 2, send into chlorine by chlorine tube 12.
The chlorination cadmia is less because of proportion, and come-up covers liquid level, forms the canescence thin film layer at the pot face, when the pot face begins to occur the Dark grey slag, then is the dezincification terminal point, and scoop out the chlorination cadmia of liquid state this moment; Continue logical chlorine and carry out the deleading operation, service temperature begins to be controlled at 350 ~ 400 ℃, and logical chlorine deleading process kettle temperature can progressively raise, and when temperature rises to more than 500 ℃, liquid chlorination lead skim is scooped out.When logical chlorine near terminal point, dip pot interior bismuth liquid and carry out sample range estimation judgement: turn black as specimen surface, do not emit button, sample section connects the fine and close crystallization of vertical stripe shape, metal luster, then closes on the deleading terminal point this moment, continues logical chlorine 1-2 hour, get the bismuth sample and analyze Pb, stop logical chlorine.The scum silica frost of pot face is dragged for only.
The principal reaction formula:
Zn+Cl
2=ZnCl
2
Pb+Cl
2=PbCl
2
2BiCl
3+3Zn=3ZnCl
2?+2Bi
2BiCl
3+3Pb=3PbCl
2?+2Bi
4, oxidation refining
This step mainly is in order to remove the vestige element of the residual easier oxidation of ratio bismuth, as chlorine, arsenic, antimony, tellurium, iron etc.
To stretch into the bottom of second kier 2 through second pumping pipe 10 that the thick bismuth liquation after three step process in front pumps into the 3rd kier 3, the second liquid pumps 7 by second liquid pump 7, second liquid discharge pipe 10 ' of second liquid pump 7 stretches in the pot body of the 3rd kier 3; Temperature is controlled at 650-750 ℃ (preferred 680-720 ℃), after adding the sheet alkali (NaOH) of the heavy 1-2% of bismuth liquid, stir 1.5 ~ 3 hours (preferred 1.5 ~ 2 hours) by blasting pressurized air in the bismuth liquid of second blast main 14 in the 3rd kier 3, drag for slag then, get the bismuth sample and analyze plumbous, silver-colored, chlorine, to Pb≤0.001%, Ag≤0.004%, Cl≤0.0015% is qualified.Add a small amount of sheet alkali fusionization again and be covered in the bismuth liquid level, after being cooled to 330 ~ 450 ℃ (preferred 350 ~ 420 ℃), drag for slag, in pot, get this batch products sample and carry out total analysis, after sample composition is qualified by analysis, promptly obtain purified bismuth liquid, the 3rd pumping pipe 11 of the 3rd liquid pump 8 stretches into the bottom of the 3rd kier 3, the 3rd liquid discharge pipe 11 ' of the 3rd liquid pump 8 stretches into the bismuth bucket on the rail road, ground, and bismuth liquid waters by bismuth bucket inflow mold and builds up bismuth ingot.
Embodiment two: do not give unnecessary details with the something in common of embodiment one, difference only is that chlorine tube 12 is three in the present embodiment, can accelerate reaction process like this in logical chlorine dezincification, plumbous step, saves time.
Claims (3)
1. thick bismuth a refining unit, it is characterized in that: comprise first kier (1) that series connection successively is communicated with, second kier (2), the 3rd kier (3), the paddle bar (5) of stirrer (4) vertically stretches in the pot body of first kier (1), described first kier (1), second kier (2), the pot face top of the 3rd kier (3) has been set up first liquid pump (6) respectively, second liquid pump (7), the 3rd liquid pump (8), first pumping pipe (9) of first liquid pump (6) stretches into the bottom of first kier (1), and first liquid discharge pipe (9 ') of first liquid pump (6) stretches in the pot body of second kier (2); Second pumping pipe (10) of second liquid pump (7) stretches into the bottom of second kier (2), and second liquid discharge pipe (10 ') of second liquid pump (7) stretches in the pot body of the 3rd kier (3); The 3rd pumping pipe (11) of the 3rd liquid pump (8) stretches into the bottom of the 3rd kier (3), and the 3rd liquid discharge pipe (11 ') of the 3rd liquid pump (8) stretches into the bismuth bucket on the rail road, ground;
Chlorine tube (12) stretches in the pot body of second kier (2), and first blast main (13) stretches in the pot body of first kier (1), and second blast main (14) stretches in the pot body of the 3rd kier (3).
2. thick bismuth a refining unit according to claim 1 is characterized in that: described first liquid pump (6), second liquid pump (7), the 3rd liquid pump (8) are spiral pump.
3. thick bismuth a refining unit according to claim 1 is characterized in that: described chlorine tube (12) is more than three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020521086XU CN201834960U (en) | 2010-09-08 | 2010-09-08 | Coarse bismuth refining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020521086XU CN201834960U (en) | 2010-09-08 | 2010-09-08 | Coarse bismuth refining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201834960U true CN201834960U (en) | 2011-05-18 |
Family
ID=44005065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020521086XU Expired - Fee Related CN201834960U (en) | 2010-09-08 | 2010-09-08 | Coarse bismuth refining device |
Country Status (1)
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|---|---|
| CN (1) | CN201834960U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102796887A (en) * | 2011-09-30 | 2012-11-28 | 江西稀有金属钨业控股集团有限公司 | Method and system for refining high-tin coarse bismuth |
| CN104593615A (en) * | 2014-12-30 | 2015-05-06 | 河南豫光金铅股份有限公司 | Device and process for producing alloy by lead deposited by electric analysis |
| CN107904411A (en) * | 2017-11-30 | 2018-04-13 | 安徽省恒伟铋业有限公司 | A kind of thick bismuth purifier and its application method |
| CN108034840A (en) * | 2017-11-30 | 2018-05-15 | 安徽省恒伟铋业有限公司 | A kind of thick bismuth automation rectification systems and its operating method |
| 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 |
-
2010
- 2010-09-08 CN CN201020521086XU patent/CN201834960U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102796887A (en) * | 2011-09-30 | 2012-11-28 | 江西稀有金属钨业控股集团有限公司 | Method and system for refining high-tin coarse bismuth |
| CN102796887B (en) * | 2011-09-30 | 2014-08-27 | 江西稀有金属钨业控股集团有限公司 | Method and system for refining high-tin coarse bismuth |
| CN104593615A (en) * | 2014-12-30 | 2015-05-06 | 河南豫光金铅股份有限公司 | Device and process for producing alloy by lead deposited by electric analysis |
| CN107904411A (en) * | 2017-11-30 | 2018-04-13 | 安徽省恒伟铋业有限公司 | A kind of thick bismuth purifier and its application method |
| CN108034840A (en) * | 2017-11-30 | 2018-05-15 | 安徽省恒伟铋业有限公司 | A kind of thick bismuth automation rectification systems and its operating method |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20160908 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |