CN110184473A - A kind of new-type Decoppering in lead bullion detinning method - Google Patents
A kind of new-type Decoppering in lead bullion detinning method Download PDFInfo
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- CN110184473A CN110184473A CN201910469534.1A CN201910469534A CN110184473A CN 110184473 A CN110184473 A CN 110184473A CN 201910469534 A CN201910469534 A CN 201910469534A CN 110184473 A CN110184473 A CN 110184473A
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- Prior art keywords
- lead
- detinning
- decoppering
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- copper
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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
- C22B13/00—Obtaining lead
- C22B13/06—Refining
-
- 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
- C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
-
- 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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- 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 kind of new-type Decoppering in lead bullion detinning methods, including step 1, and lead liquid is added；Step 2 heats liquate；Step 3 adds sulphur copper removal；Step 4, oxidation detinning；Wherein in above-mentioned steps one, lead melt is placed on sheath from blast furnace, and decopper(ing) furnace roof is transported to crane, it is added in furnace through feed opening, wherein in above-mentioned steps two, weld pool surface is heated to 900-1100 DEG C by heavy oil combustion, lead liquid constantly flows downward, the present invention, by will warm up high temperature, copper in lead liquid is precipitated, and simultaneously using addition vulcanizing agent, it is reacted with copper and generates matte, improve copper removal efficiency, simultaneously, this method, the matte of generation can be by opening stream discharge, the step of eliminating slagging-off, simplify operating procedure, reduce operation difficulty, alleviate labor intensity, reduce production cost, and during copper removal, the latent heat of lead liquid is adequately utilized, fuel is saved.
Description
Technical field
The present invention relates to Decoppering in lead bullion to remove tin field, specially a kind of new-type Decoppering in lead bullion detinning method.
Background technique
Lead is a kind of Chemical metal element, and color is Bluish white, and the oxygen being easy in air occurs oxidation reaction and generates
Dimmed attachment, lead have a wide range of application.Contain a large amount of impurity in the lead bullion produced in nature, generally requires and adopt
The impurity in lead bullion is removed with complicated production technology, and is can be used and lead with high purity.But it is removed in existing lead bullion
In copper detinning method, there are problems that copper removal low efficiency and complex process, traditional Decoppering in lead bullion detinning method is adopted and removes liquate
Copper is separated with sulphur copper removal is added, so that generating a large amount of dross in production process and needing to remove, not only need more equipment, also
The difficulty and complexity of operation are increased, and has aggravated labor intensity；Meanwhile liquation decoppering is separated with sulphur copper removal is added, and is caused
The efficiency of copper removal reduces, and therefore, designs that a kind of copper removal is high-efficient and the new-type Decoppering in lead bullion detinning method of simple process is that have very much
It is necessary.
Summary of the invention
The purpose of the present invention is to provide a kind of new-type Decoppering in lead bullion detinning methods, to solve to propose in above-mentioned background technique
The problem of.
In order to solve the above technical problem, the present invention provides following technical solutions: a kind of new-type Decoppering in lead bullion detinning method,
Including step 1, lead liquid is added；Step 2 heats liquate；Step 3 adds sulphur copper removal；Step 4, oxidation detinning；
Wherein in above-mentioned steps one, lead melt is placed on sheath, and be transported to decopper(ing) furnace roof with crane from blast furnace, is passed through
Feed opening is added in furnace；
Wherein in above-mentioned steps two, weld pool surface is heated to 900-1100 DEG C by heavy oil combustion, and lead liquid is constantly to dirty
Dynamic, the copper in lead liquid is constantly precipitated with the promotion of temperature, and rises to the top of lead liquid；
Wherein in above-mentioned steps three, it is continuously added vulcanizing agent into molten bath, is reacted with the copper that molten bath bottom is precipitated and generates ice
Copper, and by releasing of sneaking away, obtain the lead liquid of copper content qualification, chemical equation are as follows:
PbS (FeS)+2Cu=Cu2S+Pb(Fe)；
Wherein in above-mentioned steps four, oxidation detinning, comprising the following steps:
S1. air oxidation stirs the lead liquid of melting, fills lead liquid with the oxygen in air in the state of gravity-flow ventilation
Tap touching, forms lead stannate,
S2. alkali liquor oxidized, when temperature naturally cools to 420-450 DEG C, lead liquid is continually fed into fill sodium hydroxide and
In the reaction cylinder of sodium chloride blend melt, and sodium nitrate is constantly passed through into reaction cylinder.
According to the above technical scheme, in the step 1, the lead bullion of selection and miscellaneous lead are added in smelting furnace, and is heated to
Molten condition.
According to the above technical scheme, in the step 3, vulcanizing agent selects pyrite, and adds while vulcanizing agent is added
Enter iron filings and soda, chemical equation are as follows:
4PbS+4Na2CO3=4Pb+3Na2S+Na2SO4+4CO2(1)；
4PbS+4Na2CO3=4Pb+3Na2S+Na2SO4+4CO2 (2)。
According to the above technical scheme, in the step 2, liquate process carries out in 350-400 DEG C of molten bath bottom of region,
And lead liquid is released from molten bath bottom siphon.
According to the above technical scheme, in the step 3, a small amount of clinker generated in furnace, using removal of manually skimming.
According to the above technical scheme, in the step 4 S2, chemical equation are as follows:
5Sn+6NaOH+4NaNO3=5Na2SnO3+2N2+3H2O (1),
2Sn+3NaOH+NaNO3=2Na2SnO3+NH3 (2)。
According to the above technical scheme, in the step 4 S2, the valvular cylinder-shaped reaction cylinder of bottom belt is selected, built in
Blender is provided with nitre dispenser at the top of reaction cylinder.
Compared with prior art, the beneficial effects obtained by the present invention are as follows being: the invention, the present invention, by will warm up height
Copper in lead liquid is precipitated temperature, and reacts with copper using vulcanizing agent is added simultaneously and generate matte, improve copper removal rate, together
When, the matte of this method, generation can simplify operating procedure, reduce operation by opening the step of stream is discharged, eliminates slagging-off
Difficulty alleviates labor intensity, reduces production cost, and during copper removal, and the latent heat of lead liquid is adequately utilized, section
About fuel.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is flow chart of the method for the present invention；
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of new-type Decoppering in lead bullion detinning method, including step 1,
Lead liquid is added；Step 2 heats liquate；Step 3 adds sulphur copper removal；Step 4, oxidation detinning；
Wherein in above-mentioned steps one, the lead bullion of selection and miscellaneous lead are added in smelting furnace, and be heated to molten condition, then
Lead melt is placed on sheath from blast furnace, and is transported to decopper(ing) furnace roof with crane, is added in furnace through feed opening；
Wherein in above-mentioned steps two, weld pool surface is heated to 900-1100 DEG C by heavy oil combustion, and lead liquid is constantly to dirty
Dynamic, the copper in lead liquid is constantly precipitated with the promotion of temperature, and rises to the top of lead liquid, and liquate process is in molten bath bottom
350-400 DEG C of region carries out, and releases lead liquid from molten bath bottom siphon；
Wherein in above-mentioned steps three, it is continuously added vulcanizing agent into molten bath, is reacted with the copper that molten bath bottom is precipitated and generates ice
Copper, and by releasing of sneaking away, the interior a small amount of clinker generated of furnace obtains the lead liquid of copper content qualification using removal of manually skimming,
In, vulcanizing agent selects pyrite, and iron filings and soda, chemical equation are added while vulcanizing agent is added are as follows:
4PbS+4Na2CO3=4Pb+3Na2S+Na2SO4+4CO2(1),
4PbS+4Na2CO3=4Pb+3Na2S+Na2SO4+4CO2(2),
PbS (FeS)+2Cu=Cu2S+Pb(Fe) (3)；
Wherein in above-mentioned steps four, oxidation detinning, comprising the following steps:
S1. air oxidation stirs the lead liquid of melting, fills lead liquid with the oxygen in air in the state of gravity-flow ventilation
Tap touching, forms lead stannate,
S2. alkali liquor oxidized, when temperature naturally cools to 420-450 DEG C, select the valvular cylinder shaped reaction of bottom belt
Cylinder, built-in blender are provided with nitre dispenser at the top of reaction cylinder, lead liquid are continually fed into and fills sodium hydroxide and chlorination
In the reaction cylinder of sodium blend melt, and sodium nitrate is constantly passed through into reaction cylinder, chemical equation are as follows:
5Sn+6NaOH+4NaNO3=5Na2SnO3+2N2+3H2O (1),
2Sn+3NaOH+NaNO3=2Na2SnO3+NH3 (2)。
It is learnt by upper table, the copper removal rate for the continuous decopper(ing) that the present invention uses is not much different with traditional decopper(ing) rate, but saves
The a large amount of copper removal time is saved.
Based on above-mentioned, it is an advantage of the current invention that it is of the invention, by will warm up high temperature, the copper in lead liquid is precipitated,
And reacted with copper using vulcanizing agent is added simultaneously and generate matte, improve copper removal efficiency, meanwhile, the matte of this method, generation can
By the step of opening stream discharge, eliminating slagging-off, operating procedure is simplified, operation difficulty is reduced, alleviates labor intensity, dropped
Low production cost, and during copper removal, the latent heat of lead liquid is adequately utilized, has saved fuel.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. lead liquid is added in a kind of new-type Decoppering in lead bullion detinning method, including step 1；Step 2 heats liquate；Step 3 adds
Sulphur copper removal；Step 4, oxidation detinning；It is characterized by:
Wherein in above-mentioned steps one, lead melt is placed on sheath from blast furnace, and be transported to decopper(ing) furnace roof with crane, through feeding
In mouth addition furnace；
Wherein in above-mentioned steps two, weld pool surface is heated to 900-1100 DEG C by heavy oil combustion, and lead liquid constantly flows downward, lead
Copper in liquid is constantly precipitated with the promotion of temperature, and rises to the top of lead liquid；
Wherein in above-mentioned steps three, it is continuously added vulcanizing agent into molten bath, is reacted with the copper that molten bath bottom is precipitated and generates matte, and
It is released by sneaking away, obtains the lead liquid of copper content qualification, chemical equation are as follows:
PbS (FeS)+2Cu=Cu2S+Pb(Fe)；
Wherein in above-mentioned steps four, oxidation detinning, comprising the following steps:
S1. air oxidation stirs the lead liquid of melting, connects lead liquid sufficiently with the oxygen in air in the state of gravity-flow ventilation
Touching forms lead stannate,
S2. alkali liquor oxidized, when temperature naturally cools to 420-450 DEG C, lead liquid is continually fed into and fills sodium hydroxide and chlorination
In the reaction cylinder of sodium blend melt, and sodium nitrate is constantly passed through into reaction cylinder.
2. a kind of new-type Decoppering in lead bullion detinning method according to claim 1, it is characterised in that:, will in the step 1
The lead bullion of selection and miscellaneous lead are added in smelting furnace, and are heated to molten condition.
3. a kind of new-type Decoppering in lead bullion detinning method according to claim 1, it is characterised in that: in the step 3, sulphur
Agent selects pyrite, and iron filings and soda, chemical equation are added while vulcanizing agent is added are as follows:
4PbS+4Na2CO3=4Pb+3Na2S+Na2SO4+4CO2(1)；
4PbS+4Na2CO3=4Pb+3Na2S+Na2SO4+4CO2 (2)。
4. a kind of new-type Decoppering in lead bullion detinning method according to claim 1, it is characterised in that: in the step 2, melt
Analysis process carries out in 350-400 DEG C of molten bath bottom of region, and releases lead liquid from molten bath bottom siphon.
5. a kind of new-type Decoppering in lead bullion detinning method according to claim 1, it is characterised in that: in the step 3, furnace
A small amount of clinker of interior generation, using removal of manually skimming.
6. a kind of new-type Decoppering in lead bullion detinning method according to claim 1, it is characterised in that: in the step 4 S2,
Its chemical equation are as follows:
5Sn+6NaOH+4NaNO3=5Na2SnO3+2N2+3H2O (1),
2Sn+3NaOH+NaNO3=2Na2SnO3+NH3 (2)。
7. a kind of new-type Decoppering in lead bullion detinning method according to claim 1, it is characterised in that: in the step 4 S2,
Select the valvular cylinder-shaped reaction cylinder of bottom belt, built-in blender is provided with nitre dispenser at the top of reaction cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910469534.1A CN110184473A (en) | 2019-05-31 | 2019-05-31 | A kind of new-type Decoppering in lead bullion detinning method |
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| CN201910469534.1A CN110184473A (en) | 2019-05-31 | 2019-05-31 | A kind of new-type Decoppering in lead bullion detinning method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112899494A (en) * | 2021-01-27 | 2021-06-04 | 河南豫光金铅股份有限公司 | Method for continuous refining and decoppering of lead bullion and producing high-grade matte |
| CN113178636A (en) * | 2021-04-27 | 2021-07-27 | 宁夏瑞银铅资源再生有限公司 | Process method for producing low-tin lead-calcium alloy by using waste lead-acid storage battery waste lead grid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141152A (en) * | 2014-07-28 | 2014-11-12 | 蒙自矿冶有限责任公司 | Method for recycling tin from lead bullion |
| CN106086475A (en) * | 2016-06-17 | 2016-11-09 | 郴州市金贵银业股份有限公司 | The method producing stibium trioxide |
| CN106756090A (en) * | 2016-12-21 | 2017-05-31 | 中国恩菲工程技术有限公司 | The method of the continuous decopper(ing) of lead bullion |
| CN108456778A (en) * | 2018-03-27 | 2018-08-28 | 广州万仕智投资有限公司 | A method of electrum is produced by rich and honour lead |
-
2019
- 2019-05-31 CN CN201910469534.1A patent/CN110184473A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141152A (en) * | 2014-07-28 | 2014-11-12 | 蒙自矿冶有限责任公司 | Method for recycling tin from lead bullion |
| CN106086475A (en) * | 2016-06-17 | 2016-11-09 | 郴州市金贵银业股份有限公司 | The method producing stibium trioxide |
| CN106756090A (en) * | 2016-12-21 | 2017-05-31 | 中国恩菲工程技术有限公司 | The method of the continuous decopper(ing) of lead bullion |
| CN108456778A (en) * | 2018-03-27 | 2018-08-28 | 广州万仕智投资有限公司 | A method of electrum is produced by rich and honour lead |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112899494A (en) * | 2021-01-27 | 2021-06-04 | 河南豫光金铅股份有限公司 | Method for continuous refining and decoppering of lead bullion and producing high-grade matte |
| CN113178636A (en) * | 2021-04-27 | 2021-07-27 | 宁夏瑞银铅资源再生有限公司 | Process method for producing low-tin lead-calcium alloy by using waste lead-acid storage battery waste lead grid |
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