CN102796886A - Method and system for refining high-tellurium coarse bismuth - Google Patents
Method and system for refining high-tellurium coarse bismuth Download PDFInfo
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- CN102796886A CN102796886A CN2012103328502A CN201210332850A CN102796886A CN 102796886 A CN102796886 A CN 102796886A CN 2012103328502 A CN2012103328502 A CN 2012103328502A CN 201210332850 A CN201210332850 A CN 201210332850A CN 102796886 A CN102796886 A CN 102796886A
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- 229910052797 bismuth Inorganic materials 0.000 title claims abstract description 122
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 229910052714 tellurium Inorganic materials 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000007670 refining Methods 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 87
- 239000002893 slag Substances 0.000 claims abstract description 54
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 239000000126 substance Substances 0.000 claims abstract description 29
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 38
- 229930013930 alkaloid Natural products 0.000 claims description 27
- 150000003797 alkaloid derivatives Chemical class 0.000 claims description 27
- 238000003723 Smelting Methods 0.000 claims description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 19
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 17
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 14
- 239000000460 chlorine Substances 0.000 claims description 14
- 229910052801 chlorine Inorganic materials 0.000 claims description 14
- 239000002023 wood Substances 0.000 claims description 12
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 10
- 241001062472 Stokellia anisodon Species 0.000 claims description 9
- 241001417490 Sillaginidae Species 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 239000003245 coal Substances 0.000 claims description 6
- 235000019504 cigarettes Nutrition 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 abstract 2
- 230000008018 melting Effects 0.000 abstract 2
- 239000000779 smoke Substances 0.000 abstract 1
- 238000005660 chlorination reaction Methods 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a method for refining high-tellurium coarse bismuth. The method comprises the following steps of: adding a raw material, namely the high-tellurium coarse bismuth, into a melting pot, heating, melting and uniformly stirring the high-tellurium coarse bismuth, removing molten slag floating on the liquid level of the high-tellurium coarse bismuth after the temperature reaches 300 to 400 DEG C, and cleaning up molten slag on the edge and the periphery of the pot; continuously heating liquid bismuth, inputting compressed air into the liquid bismuth, stirring the liquid bismuth, heating the liquid bismuth to be at 600 to 700 DEG C, keeping the temperature until thin white smoke appears above the molten liquid level of the liquid bismuth, and cleaning up molten slag on the liquid level of the liquid bismuth and on the pot edge; adding an alkaline substance which accounts for 2 to 6 percent of the liquid bismuth into the liquid bismuth in 2 to 5 times when the temperature is reduced to 450 to 550 DEG C; inputting compressed air into the liquid bismuth after the alkaline substance is molten, stirring the liquid bismuth, and removing tellurium slag on the liquid level of the liquid bismuth; and adding sawdust of 3-4kg per pot into the liquid bismuth when thin slag occurs on the bismuth liquid level at the later stage of refining, and removing all the sawdust coated with the tellurium slag on the liquid level of the liquid bismuth, thus obtaining the refined bismuth with the tellurium content of less than or equal to 0.05 percent. According to the invention, the refining method for treating the high-tellurium coarse bismuth is developed, and the raw material sources of bismuth refining are widened.
Description
Technical field
The present invention relates to the method and system of the thick bismuth of the high tellurium of a kind of refining, particularly a kind of to be the thick bismuth of the high tellurium of raw material refining with the thick bismuth that contains high tellurium contain the method and system of the smart bismuth of tellurium≤0.05% with output, belongs to the Metal smelting field.
In this manual, term " thick bismuth " is meant that the impurity content in the raw material bismuth is higher than the corresponding index of bismuth standard GB/T 915-1995 trade mark Bi99.99.
Term " alkaloid substance " is meant sheet alkali (flaky sodium hydrate) or washes the shoddye in the chlorine process.
Term " is washed chlorine process " and is meant in bismuth refining procedure, in the time of 600～750 ℃, flaky sodium hydrate is joined the process of reacting with chlorine in the molten bismuth after chlorination.
Term " is washed the shoddye in the chlorine process " and is meant in bismuth refining procedure, drives away with flaky sodium hydrate 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 %, in the earth's crust, seldom can see independent primary natural bismuth mineral, bismuth 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; In these by products, except that bismuth-containing, also contain materials such as higher tellurium, antimony, arsenic, be difficult to separating treatment, recovery with the water law smelting, market presses for the method for the thick bismuth of the high tellurium of effective refining always.
Summary of the invention
The purpose of this invention is to provide the method and system of the thick bismuth of the high tellurium of a kind of refining, it can obtain to contain the bismuth of tellurium≤0.05%, has expanded the method for refining of handling the thick bismuths of complicated ingredient such as high tellurium, has increased bismuth purified raw material sources.
For this reason, according to an aspect of the present invention, the method for the thick bismuth of the high tellurium of a kind of refining is provided, has it is characterized in that this method comprises the following steps:
To smelt pot and be placed on the heating unit, the thick bismuth of the high tellurium of raw material is dropped in the said smelting pot, the air pneumatic tube is smelted in the pot to insert with the acutangulate oblique angle of horizontal plane, and the exit of pneumatic tube is the 60-70% of whole liquid bismuth height apart from the degree of depth of liquid bismuth face;
With the thick bismuth heat temperature raising fusing of the high tellurium of raw material, simultaneously, stir, be warmed up to 300～400 ℃, pull the fusing slag that floats on the liquid level out and cleared up the pot edge and the fusing slag of periphery;
Continue heating and import pressurized air to the liquid bismuth, stir, be warming up to 600～700 ℃ and insulation, the white cigarette that on the fusion liquid level, occurs is thin, reaches the fusing slag on pot limit on the cleaning liquid level;
When cooling the temperature to 550～450 ℃, add the alkaloid substance of bismuth liquid weight 2～6%, be divided into input 2～5 times;
After treating the alkaloid substance fusing, input pressurized air stirs, and pulls the tellurium slag on the liquid level out;
When the refining later stage, shoddye appearred in the bismuth liquid level, add the wood chip of 3～4Kg/ pot, drag for the wood chip of wrapping up in volume tellurium slag on the most liquid level, output contains the smart bismuth of tellurium≤0.05% in the smelting pot.
Preferably, said smelting pot is iron pan or cast steel pot; Said air pneumatic tube links to each other with air; The other device for dragging dregs that is provided with of said smelting pot; In the process of heat temperature raising fusing, the device for dragging dregs liquid bismuth that rolls from top to bottom along the pot limit.
Preferably, said acute angle is 60 °; The exit of pneumatic tube is 2/3 of whole liquid bismuth height apart from the degree of depth of liquid bismuth face.
Preferably, said device for dragging dregs is to leak wooden dipper; Said heating unit comprises electrically heated, fuel Heating or coal heating unit.
Preferably, continue heating and, be warming up to 600 ℃～650 ℃ and insulation to the stirring of liquid bismuth input pressurized air.
Preferably, when adding alkaloid substance, the temperature of bismuth liquid is 500 ℃～520 ℃, and the amount that adds alkaloid substance is 2～4% of a bismuth liquid weight.
Preferably, in the process of 2～5 batches of adding alkaloid substances, the alkaloid substance that add early stage is a flaky sodium hydrate, and the alkaloid substance that the later stage adds is the shoddye in the chlorine process of washing after drying.
According to another aspect of the present invention; The system of the thick bismuth of the high tellurium of a kind of refining is provided; It is characterized in that this system comprises smelting pot, heating unit, temperature control unit, ventilation plant, whipping appts, device for dragging dregs and feeding device, heating unit is arranged on the below that smelts pot; Temperature control unit, stirring feeding device are arranged on the one side that smelts pot; Trigger device for dragging dregs when the temperature of temperature control unit in refining vessel reaches 300～400 ℃ and 600～700 ℃, ventilation plant comprises gas blower and inserts guide duct in the bismuth liquid level of smelting pot that the triggering feeding device added alkali or adds wood chip when the temperature of temperature control unit in smelting pot reached 450～550 ℃.
Preferably, said smelting pot is iron pan or cast steel pot; Whipping appts and device for dragging dregs are same devices.
Preferably, said heating unit is electric heater unit, fuel oil heater or coal heating unit.
The invention has the beneficial effects as follows: expanded the method for refining of handling the thick bismuth of high tellurium, increased bismuth purified raw material sources, technology is convenient to operation.
Description of drawings
Fig. 1 is the equipment synoptic diagram of the thick bismuth of the high tellurium of refining of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
As shown in Figure 1, the method for the thick bismuth of the high tellurium of refining according to the present invention is a raw material with the thick bismuth of high tellurium, comprises the following steps:
Iron pan/cast steel pot 4 is placed on the electric heater unit 6, and the pneumatic tube 3 that links to each other with air 2 inserts in iron pan/cast steel pot 4 to become 60 ° oblique angle with horizontal plane, and pneumatic tube 3 exits are 2/3 of whole liquid bismuth height apart from the degree of depth of liquid bismuth face; Iron pan/cast steel pot 4 sides are provided with manually operated leakage wooden dipper 1 and slag bucket 7, and manually operated leakage wooden dipper 1 can get into iron pan/cast steel pot 4 or slag bucket 7;
The thick bismuth 5 of the high tellurium of raw material is dropped in said iron pan/cast steel pot 4 the heat temperature raising fusing;
In the process of heat temperature raising fusing, the manually operated leakage wooden dipper 1 liquid bismuth that rolls from top to bottom along a pot limit stirs, and is warmed up to 350 ℃, pulls the fusing slag that floats on the liquid level out and has cleared up the pot edge and the fusing slag of periphery, pours slag bucket 7 into;
Continue heating and import the pressurized air stirring to the liquid bismuth, be warming up to 640 ℃ and insulation, the white cigarette that on the fusion liquid level, occurs is thin, reaches the fusing slag on pot limit on the cleaning liquid level, pours slag bucket 7 into;
When cooling the temperature to 500 ℃, add 3% alkaloid substance of bismuth liquid weight, be divided into 3 batches, the alkaloid substance that its mid-early stage adds is a flaky sodium hydrate, and the alkaloid substance that the later stage adds is the shoddye in the chlorine process of washing after drying; The said shoddye of washing in the chlorine process is meant in bismuth refining procedure, with remaining in the shoddye that chlorine produced in the molten bismuth in the flaky sodium hydrate expeling chlorination process;
After treating the alkaloid substance fusing, input pressurized air stirs, and pulls the tellurium slag on the liquid level out, pours slag bucket 7 into;
When the refining later stage, shoddye appearred in the bismuth liquid level, add the wood chip of 3～4Kg/ pot, drag for the wood chip of wrapping up in volume tellurium slag on the most liquid level, pour slag bucket 7 into, output contains the smart bismuth of tellurium≤0.05% in iron pan/cast steel pot 4.
As shown in Figure 1, the method for the thick bismuth of the high tellurium of refining according to the present invention is a raw material with the thick bismuth of high tellurium, comprises the following steps:
Iron pan/cast steel pot 4 is placed on the fuel oil heater 6, and the pneumatic tube 3 that links to each other with air 2 inserts in iron pan/cast steel pot 4 to become 60 ° oblique angle with horizontal plane, and pneumatic tube 3 exits are 2/3 of whole liquid bismuth height apart from the degree of depth of liquid bismuth face; Iron pan/cast steel pot 4 sides are provided with manually operated leakage wooden dipper 1 and slag bucket 7, and manually operated leakage wooden dipper 1 can get into iron pan/cast steel pot 4 or slag bucket 7;
The thick bismuth 5 of the high tellurium of raw material is dropped in said iron pan/cast steel pot 4 the heat temperature raising fusing;
In the process of heat temperature raising fusing, the manually operated leakage wooden dipper 1 liquid bismuth that rolls from top to bottom along a pot limit stirs, and is warmed up to 380 ℃, pulls the fusing slag that floats on the liquid level out and has cleared up the pot edge and the fusing slag of periphery, pours slag bucket 7 into;
Continue heating and import the pressurized air stirring to the liquid bismuth, be warming up to 620 ℃ and insulation, the white cigarette that on the fusion liquid level, occurs is thin, reaches the fusing slag on pot limit on the cleaning liquid level, pours slag bucket 7 into;
When cooling the temperature to 510 ℃, add 4% alkaloid substance of bismuth liquid weight, be divided into 4 batches, the alkaloid substance that its mid-early stage adds is a flaky sodium hydrate, and the alkaloid substance that the later stage adds is the shoddye in the chlorine process of washing after drying; The said shoddye of washing in the chlorine process is meant in bismuth refining procedure, with remaining in the shoddye that chlorine produced in the molten bismuth in the flaky sodium hydrate expeling chlorination process;
After treating the alkaloid substance fusing, input pressurized air stirs, and pulls the tellurium slag on the liquid level out, pours slag bucket 7 into;
When the refining later stage, shoddye appearred in the bismuth liquid level, add the wood chip of 4Kg/ pot, drag for the wood chip of wrapping up in volume tellurium slag on the most liquid level, pour slag bucket 7 into, output contains the smart bismuth of tellurium≤0.05% in iron pan/cast steel pot 4.
The equipment of the thick bismuth of refining as shown in Figure 1 is smelted pot 4 and is placed on the heating unit 6, and the pneumatic tube 3 that will link to each other with air 2 inserts in the smelting pot 4 to become 60 ° oblique angle with horizontal plane; Smelt leakage wooden dipper 1 and slag bucket 7 that pot 4 sides are provided with hand control, the leakage wooden dipper 1 of hand control can get into smelts pot 4 or slag bucket 7.
Said smelting pot 4 comprises iron pan or cast steel pot.
Said heating unit 6 comprises electrically heated, fuel Heating or coal heating unit.
The equipment that utilizes the thick bismuth of refining is the step of the thick bismuth of the high tellurium of raw material refining with the thick bismuth of high tellurium:
Smelt pot 4 and be placed on the heating unit 6, the pneumatic tube 3 that will link to each other with air 2 inserts in the smelting pot 4 to become the oblique angle about 60 ° with horizontal plane, and pneumatic tube 3 exits are about 2/3 of whole liquid bismuth height apart from the degree of depth of liquid bismuth face; Smelt pot 4 sides and be provided with manually operated leakage wooden dipper 1 and slag bucket 7, manually operated leakage wooden dipper 1 can get into smelts pot 4 or slag bucket 7;
The thick bismuth of the high tellurium of raw material is dropped in the said smelting pot 4 the heat temperature raising fusing;
In the process of heat temperature raising fusing, the manually operated leakage wooden dipper 1 liquid bismuth that rolls from top to bottom along a pot limit stirs, and is warmed up to 300～400 ℃, pulls the fusing slag that floats on the liquid level out and has cleared up the pot edge and the fusing slag of periphery, pours slag bucket into;
Continue heating and import the pressurized air stirring to the liquid bismuth, be warming up to 600～700 ℃ and insulation, the white cigarette that on the fusion liquid level, occurs is thin, reaches the fusing slag on pot limit on the cleaning liquid level, pours slag bucket 7 into;
When cooling the temperature to 550～450 ℃, be divided into 2～5 batches of alkaloid substances of 2 ~ 6% that add bismuth liquid weight; The alkaloid substance that its mid-early stage adds is a flaky sodium hydrate, and the alkaloid substance that the later stage adds is the shoddye in the chlorine process of washing after oven dry;
After treating the alkaloid substance fusing, input pressurized air stirs, and pulls the tellurium slag on the liquid level out, pours slag bucket 7 into;
When the refining later stage, shoddye appearred in the bismuth liquid level, add the wood chip of 3～4Kg/ pot, drag for the wood chip of wrapping up in volume tellurium slag on the most liquid level, pour slag bucket 7 into, output contains the smart bismuth of tellurium≤0.05% in the smelting pot 4.
According to the equipment of the thick bismuth of refining of the present invention, smelt on the heating unit that pot is placed in electrically heated, fuel Heating or coal heating after, the pneumatic tube that will link to each other with air is with in becoming about 60 ° oblique angle to insert to smelt pot with horizontal plane; Smelt leakage wooden dipper and slag bucket that the pot side can be provided with hand control, the leakage wooden dipper of hand control can get into smelts pot or slag bucket.The by product of main metals such as tungsten, molybdenum, lead, copper, iron is refined in this equipment utilization, is raw material with the thick bismuth that contains high tellurium, the thick bismuth of the high tellurium of refining, and acquisition contains the bismuth of tellurium≤0.05%.
Claims (10)
1. the method for the thick bismuth of the high tellurium of refining is characterized in that, especially, this method mainly comprises the following steps:
To smelt pot and be placed on the heating unit, the thick bismuth of the high tellurium of raw material is dropped in the said smelting pot, the air pneumatic tube is smelted in the pot to insert with the acutangulate oblique angle of horizontal plane, and the exit of pneumatic tube is the 60-70% of whole liquid bismuth height apart from the degree of depth of liquid bismuth face;
With the thick bismuth heat temperature raising fusing of the high tellurium of raw material, simultaneously, stir, be warmed up to 300～400 ℃, pull the fusing slag that floats on the liquid level out and cleared up the pot edge and the fusing slag of periphery;
Continue heating and import pressurized air to the liquid bismuth, stir, be warming up to 600～700 ℃ and insulation, the white cigarette that on the fusion liquid level, occurs is thin, reaches the fusing slag on pot limit on the cleaning liquid level;
When cooling the temperature to 550～450 ℃, add the alkaloid substance of bismuth liquid weight 2～6%, be divided into input 2～5 times;
After treating the alkaloid substance fusing, input pressurized air stirs, and pulls the tellurium slag on the liquid level out;
When the refining later stage, shoddye appearred in the bismuth liquid level, add the wood chip of 3～4Kg/ pot, drag for the wood chip of wrapping up in volume tellurium slag on the most liquid level, output contains the smart bismuth of tellurium≤0.05% in the smelting pot.
2. method according to claim 1 is characterized in that: preferably, said smelting pot is iron pan or cast steel pot; Said air pneumatic tube links to each other with air; The other device for dragging dregs that is provided with of said smelting pot; In the process of heat temperature raising fusing, the device for dragging dregs liquid bismuth that rolls from top to bottom along the pot limit.
3. according to claim 1 and 2 described methods, it is characterized in that: preferably, said acute angle is 60 °; The exit of pneumatic tube is 2/3 of whole liquid bismuth height apart from the degree of depth of liquid bismuth face.
4. according to one of them described method of claim 1 to 3, it is characterized in that: preferably, said device for dragging dregs is to leak wooden dipper; Said heating unit comprises electrically heated, fuel Heating or coal heating unit.
5. according to one of them described method of claim 1 to 4, it is characterized in that: preferably, continue heating and, be warming up to 600 ℃～650 ℃ and insulation to the stirring of liquid bismuth input pressurized air.
6. according to one of them described method of claim 1 to 5, it is characterized in that: preferably, when adding alkaloid substance, the temperature of bismuth liquid is 500 ℃～520 ℃, and the amount that adds alkaloid substance is 2～4% of a bismuth liquid weight.
7. according to one of them described method of claim 1 to 6; It is characterized in that: preferably; In the process of 2～5 batches of adding alkaloid substances, the alkaloid substance that add early stage is a flaky sodium hydrate, and the alkaloid substance that the later stage adds is the shoddye in the chlorine process of washing after drying.
8. the system of the thick bismuth of the high tellurium of refining; It is characterized in that; This system mainly comprises: smelt pot, heating unit, temperature control unit, ventilation plant, whipping appts, device for dragging dregs and feeding device; Heating unit is arranged on the below that smelts pot, temperature control unit, stirs feeding device and is arranged on the one side that smelts pot, and the temperature of temperature control unit in refining vessel reaches 300～400 ℃ of device for dragging dregs of triggering during with 600～700 ℃; Ventilation plant comprises gas blower and inserts guide duct in the bismuth liquid level of smelting pot that the temperature of temperature control unit in smelting pot triggers feeding device when reaching 450～550 ℃ and add alkali or add wood chip.
9. system as claimed in claim 8 is characterized in that, preferably, said smelting pot is iron pan or cast steel pot; Whipping appts and device for dragging dregs are same devices.
10. system as claimed in claim 8 is characterized in that, preferably, said heating unit is electric heater unit, fuel oil heater or coal heating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332850.2A CN102796886B (en) | 2011-09-30 | 2012-09-10 | Method and system for refining high-tellurium 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 | ||
| CN201210332850.2A CN102796886B (en) | 2011-09-30 | 2012-09-10 | Method and system for refining high-tellurium coarse bismuth |
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| Publication Number | Publication Date |
|---|---|
| CN102796886A true CN102796886A (en) | 2012-11-28 |
| CN102796886B CN102796886B (en) | 2014-08-13 |
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| CN201110291839A Pending CN102329969A (en) | 2011-09-30 | 2011-09-30 | Refining method of high-tellurium crude bismuth |
| CN2012204586244U Expired - Fee Related CN202786383U (en) | 2011-09-30 | 2012-09-10 | Refining system for oxidizing high-arsenic high-antimony crude bismuth |
| CN2012204589168U Expired - Fee Related CN202744612U (en) | 2011-09-30 | 2012-09-10 | System for refining high-tin crude bismuth |
| CN201210332431.9A Expired - Fee Related CN102796885B (en) | 2011-09-30 | 2012-09-10 | Refining system and method for oxidizing high-arsenic high-antimony coarse bismuth |
| CN201210332871.4A Expired - Fee Related CN102796887B (en) | 2011-09-30 | 2012-09-10 | Method and system for refining high-tin coarse bismuth |
| CN201210332850.2A Expired - Fee Related CN102796886B (en) | 2011-09-30 | 2012-09-10 | Method and system for refining high-tellurium coarse bismuth |
| CN2012204584889U Expired - Fee Related CN202786382U (en) | 2011-09-30 | 2012-09-10 | System for refining tellurium-rich crude bismuth |
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|---|---|---|---|
| CN201110291839A Pending CN102329969A (en) | 2011-09-30 | 2011-09-30 | Refining method of high-tellurium crude bismuth |
| CN2012204586244U Expired - Fee Related CN202786383U (en) | 2011-09-30 | 2012-09-10 | Refining system for oxidizing high-arsenic high-antimony crude bismuth |
| CN2012204589168U Expired - Fee Related CN202744612U (en) | 2011-09-30 | 2012-09-10 | System for refining high-tin crude bismuth |
| CN201210332431.9A Expired - Fee Related CN102796885B (en) | 2011-09-30 | 2012-09-10 | Refining system and method for oxidizing high-arsenic high-antimony coarse bismuth |
| CN201210332871.4A Expired - Fee Related CN102796887B (en) | 2011-09-30 | 2012-09-10 | Method and system for refining high-tin coarse bismuth |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204584889U Expired - Fee Related CN202786382U (en) | 2011-09-30 | 2012-09-10 | System for refining tellurium-rich crude bismuth |
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| Country | Link |
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| CN (7) | CN102329969A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 (4)
| 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 |
| CN107858531B (en) * | 2017-12-01 | 2023-07-25 | 云南驰宏资源综合利用有限公司 | Method and device for improving direct bismuth yield in refining of high-arsenic antimony crude bismuth |
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- 2012-09-10 CN CN2012204589168U patent/CN202744612U/en not_active Expired - Fee Related
- 2012-09-10 CN CN201210332431.9A patent/CN102796885B/en not_active Expired - Fee Related
- 2012-09-10 CN CN201210332871.4A patent/CN102796887B/en not_active Expired - Fee Related
- 2012-09-10 CN CN201210332850.2A patent/CN102796886B/en not_active Expired - Fee Related
- 2012-09-10 CN CN2012204584889U patent/CN202786382U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
|---|---|
| CN202786383U (en) | 2013-03-13 |
| CN102796885B (en) | 2014-08-27 |
| CN102329969A (en) | 2012-01-25 |
| CN202786382U (en) | 2013-03-13 |
| CN102796886B (en) | 2014-08-13 |
| CN102796887A (en) | 2012-11-28 |
| CN102796885A (en) | 2012-11-28 |
| CN102796887B (en) | 2014-08-27 |
| CN202744612U (en) | 2013-02-20 |
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