CN108624753A - Flue dust and dust granulation, sintering process in the recycling of reviver industry metallic tin - Google Patents
Flue dust and dust granulation, sintering process in the recycling of reviver industry metallic tin Download PDFInfo
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- CN108624753A CN108624753A CN201810343610.XA CN201810343610A CN108624753A CN 108624753 A CN108624753 A CN 108624753A CN 201810343610 A CN201810343610 A CN 201810343610A CN 108624753 A CN108624753 A CN 108624753A
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- CN
- China
- Prior art keywords
- dust
- flue dust
- granulation
- metallic tin
- sintering process
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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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Patent of the present invention discloses flue dust and dust granulation, sintering process in a kind of recycling of reviver industry metallic tin, includes the following steps：1) it analyzes：With every 10 tons for a batch, analysis batches silicon/calcium/ferrous components；2) dispensing：According to batches ingredient, batches are uniformly mixed with additive, obtain subsequent processing raw material；3) it pelletizes：Raw material needed for granulation is delivered to disk pelletizing machine by measuring belt, and bonding agent is added, flue dust and dust particles are obtained by the rolling of disk pelletizing machine, the rotation of material；4) it is sintered：Obtained flue dust and dust particles enters spiral dry kiln by disk pelletizing machine discharge port, and going out kiln gas using electric furnace is dried, roasts.The present invention greatly reduces the inventory of production cost and material, pushes the closed cycle of lead-acid accumulator, and economic benefit is apparent, and environment and social benefit are huge.
Description
Technical field
The present invention relates to non-ferrous metal metallurgy technical fields, and in particular to a kind of reviver industry rare precious metal tin recycled
The granulation of journey output flue dust and dust, sintering process.
Background technology
Although current various battery new technologies are evolving, possess the lead-acid batteries of 150 years development history still with
By means of its excellent cost performance, the chemical property of stabilization, ripe production technology and its higher recycling of waste product etc.
Advantage occupies first place in secondary cell market.The sustainable growth of annual output had both represented importance of the lead-acid battery to the mankind,
Mean there is a large amount of lead to be consumed on lead-acid accumulator product every year.
Lead-acid accumulator also becomes most important lead regenerated resources as the main consumer products in the whole world.China
The primary raw material of reviver has 80% or more to come from waste and old lead acid accumulator.Lead is as a kind of highly toxic heavy metal, from environmental protection
From the point of view of, it is of great significance to the recycling of lead in waste and old lead acid accumulator.
It is low to the treatment effeciency of reviver industry rare precious metal tin removal process output flue dust and dust in the prior art, at
This height.
Invention content
In order to overcome the defect of existing granulation sintering process technically, the present invention propose a kind of your dilute gold of reviver industry
Belong to granulation, the sintering process of tin removal process output flue dust and dust, the technical process is simple, at low cost, energy consumption is low.
The technical problems to be solved by the invention are realized using following technical scheme：
Flue dust and dust granulation, sintering process, specific process step are as follows in a kind of recycling of reviver industry metallic tin：
1) it analyzes：Flue dust and dust in the recycling of centralized collection reviver industry metallic tin, with every 10 tons for a batch, point
Analyse batches silicon/calcium/ferrous components；
2) dispensing：According to batches ingredient, batches are uniformly mixed with additive, obtain subsequent processing raw material；
3) it pelletizes：Raw material needed for granulation is delivered to disk pelletizing machine by measuring belt, and bonding agent is added, by circle
The rolling of disk granulator, the rotation of material obtain flue dust and dust particles；
4) it is sintered：Obtained flue dust and dust particles enters spiral dry kiln by disk pelletizing machine discharge port, utilizes electricity
Stove goes out kiln gas and is dried, roasts.
In the step 1), silicon/calcium/ferrous components are silicon ＜ 1.5% in batches, calcium ＜ 1.5%, iron ＜ 1%.
In the step 2), additive is portland cement and crushes wheat stalk, and weight ratio is portland cement：Powder
Crushing straw=5：1-1.2, additive amount are the 10-15% of material quantity.
In the step 3), bonding agent is water and flocculant, and weight ratio is water：Flocculant=1000：1.5-2 addition
Amount is the 10-15% of inventory.
In the step 4), obtained flue dust and dust particles are in spiral dry kiln by 450-600 DEG C of electric furnace flue gas
Under carry out roasting dehydration, material is 1-1.5 hours in the residence time of rotary drying kiln.
The beneficial effects of the invention are as follows：Compared with the prior art, a kind of reviver industry rare precious metal tin recycling of the present invention
The granulation of process output flue dust and dust, sintering process, it is real in disk pelletizing machine using the additive and bonding agent of low cost
It now granulates, cure, crystallization nucleation, and be sintered, be dehydrated using electric furnace high-temperature flue gas of coming out of the stove, efficiently use process complementary energy,
The inventory for greatly reducing production cost and material pushes the closed cycle of lead-acid accumulator, and economic benefit is apparent, environment and society
It can Benefit.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1
Flue dust and dust granulation, sintering process, specific process step are as follows in a kind of recycling of reviver industry metallic tin：
1) it analyzes：Flue dust and dust in the recycling of centralized collection reviver industry metallic tin, with every 10 tons for a batch, point
Analyse batches silicon/calcium/ferrous components；
2) dispensing：According to batches ingredient, batches are uniformly mixed with additive, obtain subsequent processing raw material；
3) it pelletizes：Raw material needed for granulation is delivered to disk pelletizing machine by measuring belt, and bonding agent is added, by circle
The rolling of disk granulator, the rotation of material obtain flue dust and dust particles；
4) it is sintered：Obtained flue dust and dust particles enters spiral dry kiln by disk pelletizing machine discharge port, utilizes electricity
Stove goes out kiln gas and is dried, roasts.
In the step 1), silicon/calcium/ferrous components, silicon ＜ 1.5, calcium ＜ 1.5, iron ＜ 1 in batches.
In the step 2), additive is portland cement and crushes wheat stalk, and weight ratio is portland cement：Powder
Crushing straw=5：1.2, additive amount is the 15% of material quantity.
In the step 3), bonding agent is water and flocculant, and weight ratio is water：Flocculant=1000：2, additive amount is
The 15% of inventory.
In the step 4), obtained flue dust and dust particles are in spiral dry kiln by 450-600 DEG C of electric furnace flue gas
Under carry out roasting dehydration, material is 1-1.5 hours in the residence time of rotary drying kiln.
Embodiment 2
Flue dust and dust granulation, sintering process, specific process step are as follows in a kind of recycling of reviver industry metallic tin：
1) it analyzes：Flue dust and dust in the recycling of centralized collection reviver industry metallic tin, with every 10 tons for a batch, point
Analyse batches silicon/calcium/ferrous components；
2) dispensing：According to batches ingredient, batches are uniformly mixed with additive, obtain subsequent processing raw material；
3) it pelletizes：Raw material needed for granulation is delivered to disk pelletizing machine by measuring belt, and bonding agent is added, by circle
The rolling of disk granulator, the rotation of material obtain flue dust and dust particles；
4) it is sintered：Obtained flue dust and dust particles enters spiral dry kiln by disk pelletizing machine discharge port, utilizes electricity
Stove goes out kiln gas and is dried, roasts.
In the step 1), silicon/calcium/ferrous components, silicon ＜ 1.5, calcium ＜ 1.5, iron ＜ 1 in batches.
In the step 2), additive is portland cement and crushes wheat stalk, and weight ratio is portland cement：Powder
Crushing straw=5：1, additive amount is the 10% of material quantity.
In the step 3), bonding agent is water and flocculant, and weight ratio is water：Flocculant=1000：1.5, additive amount
It is the 10% of inventory.
In the step 4), obtained flue dust and dust particles are in spiral dry kiln by 450-600 DEG C of electric furnace flue gas
Under carry out roasting dehydration, material is 1-1.5 hours in the residence time of rotary drying kiln.
Embodiment 3
Flue dust and dust granulation, sintering process, specific process step are as follows in a kind of recycling of reviver industry metallic tin：
1) it analyzes：Flue dust and dust in the recycling of centralized collection reviver industry metallic tin, with every 10 tons for a batch, point
Analyse batches silicon/calcium/ferrous components；
2) dispensing：According to batches ingredient, batches are uniformly mixed with additive, obtain subsequent processing raw material；
3) it pelletizes：Raw material needed for granulation is delivered to disk pelletizing machine by measuring belt, and bonding agent is added, by circle
The rolling of disk granulator, the rotation of material obtain flue dust and dust particles；
4) it is sintered：Obtained flue dust and dust particles enters spiral dry kiln by disk pelletizing machine discharge port, utilizes electricity
Stove goes out kiln gas and is dried, roasts.
In the step 1), silicon/calcium/ferrous components, silicon ＜ 1.5, calcium ＜ 1.5, iron ＜ 1 in batches.
In the step 2), additive is portland cement and crushes wheat stalk, and weight ratio is portland cement：Powder
Crushing straw=5：1.1, additive amount is the 13% of material quantity.
In the step 3), bonding agent is water and flocculant, and weight ratio is water：Flocculant=1000：1.8, additive amount
It is the 13% of inventory.
In the step 4), obtained flue dust and dust particles are in spiral dry kiln by 450-600 DEG C of electric furnace flue gas
Under carry out roasting dehydration, material is 1-1.5 hours in the residence time of rotary drying kiln.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. flue dust and dust granulation, sintering process in a kind of reviver industry metallic tin recycling, it is characterised in that concrete technology walks
It is rapid as follows：
1) it analyzes：Flue dust and dust in the recycling of centralized collection reviver industry metallic tin, with every 10 tons for a batch, analysis batch
Secondary material silicon/calcium/ferrous components；
2) dispensing：According to batches ingredient, batches are uniformly mixed with additive, obtain subsequent processing raw material；
3) it pelletizes：Raw material needed for granulation is delivered to disk pelletizing machine by measuring belt, and bonding agent is added, by disk system
The rolling of grain machine, the rotation of material obtain flue dust and dust particles；
4) it is sintered：Obtained flue dust and dust particles enters spiral dry kiln by disk pelletizing machine discharge port, is gone out using electric furnace
Kiln gas is dried, roasts.
2. flue dust and dust granulation, sintering process, feature in reviver industry metallic tin recycling according to claim 1
It is：In the step 1), silicon/calcium/ferrous components content is in batches：Silicon ＜ 1.5%, calcium ＜ 1.5%, iron ＜ 1%.
3. flue dust and dust granulation, sintering process, feature in reviver industry metallic tin recycling according to claim 1
It is：In the step 2), additive is portland cement and crushes wheat stalk, and weight ratio is portland cement：It crushes
Stalk=5：1-1.2, additive amount are the 10-15% of material quantity.
4. flue dust and dust granulation, sintering process, feature in reviver industry metallic tin recycling according to claim 1
It is：In the step 3), bonding agent is water and flocculant, and weight ratio is water：Flocculant=1000：1.5-2, additive amount are
The 10-15% of inventory.
5. flue dust and dust granulation, sintering process, feature in reviver industry metallic tin recycling according to claim 1
It is：In the step 4), obtained flue dust and dust particles in spiral dry kiln by under 450-600 DEG C of electric furnace flue gas into
Row roasting dehydration, material are 1-1.5 hours in the residence time of rotary drying kiln.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343610.XA CN108624753A (en) | 2018-04-17 | 2018-04-17 | Flue dust and dust granulation, sintering process in the recycling of reviver industry metallic tin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343610.XA CN108624753A (en) | 2018-04-17 | 2018-04-17 | Flue dust and dust granulation, sintering process in the recycling of reviver industry metallic tin |
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| Publication Number | Publication Date |
|---|---|
| CN108624753A true CN108624753A (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810343610.XA Pending CN108624753A (en) | 2018-04-17 | 2018-04-17 | Flue dust and dust granulation, sintering process in the recycling of reviver industry metallic tin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453072A (en) * | 2019-08-05 | 2019-11-15 | 湖北金洋冶金股份有限公司 | A method of extracting metallic tin from lead-acid accumulator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255493A (en) * | 2008-03-12 | 2008-09-03 | 中南大学 | Direct reclaiming method for metals in smelting dust |
| CN103667725A (en) * | 2013-12-31 | 2014-03-26 | 河南豫光金铅股份有限公司 | One-step lead smelting process and device for waste lead-acid storage battery lead plaster bottom-blowing smelting |
-
2018
- 2018-04-17 CN CN201810343610.XA patent/CN108624753A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255493A (en) * | 2008-03-12 | 2008-09-03 | 中南大学 | Direct reclaiming method for metals in smelting dust |
| CN103667725A (en) * | 2013-12-31 | 2014-03-26 | 河南豫光金铅股份有限公司 | One-step lead smelting process and device for waste lead-acid storage battery lead plaster bottom-blowing smelting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453072A (en) * | 2019-08-05 | 2019-11-15 | 湖北金洋冶金股份有限公司 | A method of extracting metallic tin from lead-acid accumulator |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181009 |
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| RJ01 | Rejection of invention patent application after publication |