CN109037586A - A kind of rotatable siege dynamic calcining furnace for powder material - Google Patents
A kind of rotatable siege dynamic calcining furnace for powder material Download PDFInfo
- Publication number
- CN109037586A CN109037586A CN201810887602.1A CN201810887602A CN109037586A CN 109037586 A CN109037586 A CN 109037586A CN 201810887602 A CN201810887602 A CN 201810887602A CN 109037586 A CN109037586 A CN 109037586A
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- Prior art keywords
- siege
- rotatable
- powder material
- furnace body
- furnace
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/06—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces with movable working chambers or hearths, e.g. tiltable, oscillating or describing a composed movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/12—Working chambers or casings; Supports therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/28—Arrangement of controlling, monitoring, alarm or the like devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/12—Working chambers or casings; Supports therefor
- F27B2003/125—Hearths
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/03—Calcining
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses a kind of rotatable siege dynamic calcining furnaces for powder material, belong to industrial calciner field.The calcining furnace realizes the real time rotation operation of siege by siege rotary system, powder material is set to reach mixed uniformly purpose while free-falling between each layer siege, the thermal efficiency is high, it can be realized the uniform dynamic calcining processing of powder material, and product reunion, key issues of poor fluidity, product pattern is poor, direct yield is low, oxygen insufficient contact in powder material pyrogenic process preparation process are effectively solved, product crystallinity is good.Control process of the present invention is due to using the rotatable siege modularized design of multilayer, system control process is succinctly stablized, kinetic-control system is reliability and durability, stability is high, equipment is simple, for ease of maintenaince, safeguard that there is apparent advantage and effect in terms of product quality control, operability, cost control etc..
Description
Technical field
The present invention relates to industrial calciner field, in particular to a kind of rotatable siege dynamic for powder material is forged
Burn furnace more particularly to a kind of rotatable siege dynamic calcining furnace for battery powder material.
Background technique
Battery powder with the eruptive growth in new-energy automobile and consumer electronics field, as new energy technology core
There is flood tide increase, especially the battery powder material demand of field of lithium ion battery drive significantly in its demand of body material
Increase.The preparation of this kind of powder material has to pass through high-temperature calcination process, just can guarantee that material forms good electric conductivity, Gao Rong
The excellent chemical property such as amount, high magnification, therefore, calcining technology and equipment become determine battery material quality it is decisive because
Element.At this stage, powder material calcining is generally using static and half dynamical fashion, and Static Calcination equipment is easy to maintain, but existence
Expect uneven heating even caused the defects of calcining insufficient and unstable product quality.Half dynamic calcining equipment is due to being in high temperature
It works under state, it is easy to the problems such as mechanical driving part failure, maintenance is inconvenient occur.
Summary of the invention
The purpose of the invention is to overcome defect existing for above-mentioned existing device, it is high, achievable to provide a kind of thermal efficiency
Uniformity, the product crystallinity of powder material sintering be good, and equipment is simple, for ease of maintenaince easy maintenance is used for powder material
Rotatable siege dynamic calcining furnace.
In order to achieve the above object, the invention adopts the following technical scheme: a kind of rotatable siege for powder material
Dynamic calcining furnace, including furnace body and electric heater unit, furnace body are successively made of furnace shell and insulating layer from outside to inside, are set at the top of furnace body
There is feed opening, bottom is equipped with discharge port；The rotatable siege that several layers are in eight word arrangements two-by-two is equipped in furnace body, each layer can revolve
The top of converter bed is material receiver section, and lower part is that material sends out section, and adjacent material sends out section and material receiver section in vertical side
To being oppositely arranged；Rotatable siege is driven by siege rotary system, the siege rotary system include through furnace body and with can revolve
The axis that converter bed is fixedly connected, axis can be freely rotated in furnace body, and axis is located at the outer one end connection driven gear of furnace body,
Driven gear connects driving gear by driving chain, and driving gear is driven by variable-frequency motor.
As the further improvement of technical solution of the present invention, the rotation angle of the rotatable siege is preferably 20-80 °,
It can guarantee free-falling and uniformly landing of the powder material on rotatable siege.
The axis by bearing and furnace body through connection, can rotary hearth held by bearing with siege rotary system
Furnace body is overweighted, the fixed structure of siege is simplified, reduces the cost of manufacture of dynamic calcining furnace；By being embedded in bearing in furnace body
To install axis, the abrasion of axis can reduce, and the dynamic calcining furnace is for ease of maintenaince maintained.
It is additionally provided with air-vent at the top of the furnace body, air-vent is communicated by air inducing pipeline with atmosphere, in air inducing pipeline and its
The electric heating assembly of portion's setting collectively forms electric heater unit.The Hot-blast Heating mode can make furnace body temperature more uniform, have
Conducive to the uniform calcination of powder material.
Preferably, the electric heating assembly is nickel alloy electricity heated filament.
The bottom of furnace body is additionally provided with auxilairy air intake, by being passed through the gases such as air to adjust furnace pressure.
Relative to existing powder material calciner, the invention has the following advantages:
1, the rotatable siege dynamic calcining furnace of the present invention realizes the real time rotation operation of siege by siege rotary system, makes powder
Material reaches mixed uniformly purpose between each layer siege while free-falling, the thermal efficiency is high, can be realized powder material
Uniform dynamic calcining processing, and effectively solve product reunion, poor fluidity, product pattern in powder material pyrogenic process preparation process
Difference, key issues of direct yield is low, oxygen insufficient contact, product crystallinity is good.
2, for control process of the present invention due to using the rotatable siege modularized design of multilayer, system control process is succinctly steady
Fixed, rotating control assembly is set to outside furnace body, the knotty problems such as mechanical part failure caused by avoiding due to high temperature,
Kinetic-control system is reliability and durability, stability is high, and equipment is simple, for ease of maintenaince, maintenance, product quality control, operability, at
Waiting in terms of this control has apparent advantage and effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of calcining furnace of the present invention；
Fig. 2 is the connection relationship diagram of siege rotary system and furnace body of the present invention；
Appended drawing reference: 1, furnace body；2, furnace shell；3, insulating layer；4, air-vent；5, air inducing pipeline；6, nickel alloy electricity heated filament；7, it feeds
Mouthful；8, discharge port；9, auxilairy air intake；10, rotatable siege；11, axis；12, bearing；13, driven gear；14, transmission chain
Item；15, driving gear；16, variable-frequency motor.
Specific embodiment
The specific structure and use process of calcining furnace of the present invention are described in further detail with reference to the accompanying drawing.
As shown in Figs. 1-2, the invention discloses a kind of rotatable siege dynamic calcining furnaces for powder material comprising
Furnace body 1 and heating device, furnace body 1 are successively made of furnace shell 2 and insulating layer 3 from outside to inside, and 7 He of feed opening is equipped at the top of furnace body 1
Air-vent 4, bottom are equipped with discharge port 8 and auxilairy air intake 9, and air-vent 4 is communicated by air inducing pipeline 5 with atmosphere, air inducing pipeline 5
Electric heater unit is collectively formed with the nickel alloy electricity heated filament 6 being arranged inside；Be equipped in furnace body 18 layers two-by-two in eight word arrangements can
The rotation angle of rotary hearth 10, the rotatable siege 10 is preferably 20-80 °, and the top of each rotatable siege 10 is material
Receiver section, lower part are that material sends out section, and adjacent material is sent out section and is oppositely arranged with material receiver section in vertical direction；Rotatable furnace
Bed is driven by siege rotary system, which includes the axis through furnace body 1 and with the welding of rotatable siege 10
11, axis 11 can be freely rotated in furnace body 1, and axis 11 is located at the outer one end of furnace body 1 connection driven gear 13, driven gear 13
Driving gear 15 is connected by driving chain 14, driving gear 15 is driven by variable-frequency motor 16.Axis 11 by bearing 12 with
Furnace body 1 through connection, can rotary hearth 10 and siege rotary system pass through 12 load-bearing of bearing in furnace body 1.
When specifically used, powder material is uniformly added into calcining furnace first layer and can be revolved through feed opening 7 by feeder
On converter bed 10, start each variable-frequency motor 16, passes sequentially through the phase interaction of driving gear 15, driving chain 14 and driven gear 13
With drive axis 11 rotates in bearing 12, to adjust the tilt angle of the rotatable siege 10 of each layer.When powder material is in phase
During flowing on the siege faced, siege rotary system can be passed through according to material variety and related needs with above-mentioned regulating stove
The identical method of bed tilt angle rotates siege slowly, to make material slowly flow freely on each layer siege, thus real
The purpose of existing dynamic calcining.Material process free to slide on siege will make material heated more evenly, and heat exchanger effectiveness also can
Increase, also can guarantee the lot stability of material sintering, also more environmentally-friendly energy conservation in this way.Meanwhile each layer siege is modular sets
Meter is very suitable for maintenance and replaces related easily worn part.Entire siege can also be made of anticorrosion material, anti-for being processed into
The excellent anti-corrosion calcination processing equipment of corrosive nature.
Application examples 1
When carrying out redox processing to cobalt chloride powder material using above-mentioned calcining furnace, comprising the following steps:
A, cobalt chloride powder material is added from calcining furnace feed opening 7；
B, the rotatable siege 10 of each layer is arranged to the material receiver section of the rotatable siege 10 of first layer in powder material free-falling
Tilt angle be 50 °, material slide under gravity the rotatable siege 10 of first layer material send out section, and from this
Material sends out the material receiver section that section falls to the rotatable siege 10 of the second layer, successively passes through the dynamic calcining between 8 layers of siege,
1,3,5,7 layer of siege slowly rotates in the counterclockwise direction during this, and 2,4,6,8 layers of siege slowly rotate along clockwise direction；
C, in calcination process can auxilairy air intake 9 be passed through 75% oxygen；
D, calcination temperature is 950 DEG C, and the powder material residence time total on siege is 60min；
E, finally discharge port 8 obtain dynamic calcining after the good cobaltosic oxide powder material of crystallinity.
Application examples 2
When carrying out thermal decomposition process to nickelous carbonate powder material using above equipment, comprising the following steps:
A, nickelous carbonate powder material is added from calcining furnace feed opening 7；
B, to the material receiver section of the rotatable siege 10 of first layer, each rotatable siege 10 of layer incline for powder material free-falling
Rake angle is 80 °, and the material that material slides into the rotatable siege 10 of first layer under gravity sends out section, and from the material
The material receiver section that section falls to the rotatable siege 10 of the second layer is sent out, successively passes through the dynamic calcining between 9 layers of siege, herein mistake
1 in journey, 3,5,7,9 layers of siege slowly rotate in the counterclockwise direction, 2,4,6,8 layers of siege slowly rotate along clockwise direction；
C, air can be passed through in auxilairy air intake 9 in calcination process；
D, calcination temperature is 500 DEG C, and the powder material residence time total on siege is 40min；
E, the final good nickel oxide powder material of crystallinity after discharge port 8 obtains dynamic calcining.
Application examples 3
When carrying out calcination processing to nickel, cobalt, manganese ternary oxide powder material using above equipment, comprising the following steps:
A, nickel, cobalt, manganese ternary oxide powder material are added from calcining furnace feed opening 7；
B, to the material receiver section of the rotatable siege 10 of first layer, each rotatable siege 10 of layer incline for powder material free-falling
Rake angle is 20 °, and the material that material slides into the rotatable siege 10 of first layer under gravity sends out section, and from the material
The material receiver section that section falls to the rotatable siege 10 of the second layer is sent out, successively passes through the dynamic calcining between 8 layers of siege, herein mistake
1 in journey, 3,5,7 layers of siege slowly rotate in the counterclockwise direction, 2,4,6,8 layers of siege slowly rotate along clockwise direction；
C, air can be passed through in auxilairy air intake 9 in calcination process；
D, calcination temperature is 850 DEG C, and the powder material residence time total on siege is 90min；
E, the finally good nickel of crystallinity, cobalt, manganese ternary oxide powder material after discharge port 8 obtains dynamic calcining.
Claims (6)
1. a kind of rotatable siege dynamic calcining furnace for powder material, including furnace body and electric heater unit, furnace body is from extroversion
It is inside successively made of furnace shell and insulating layer, feed opening is equipped at the top of furnace body, bottom is equipped with discharge port, it is characterised in that: the furnace
It is in vivo two-by-two in the rotatable siege of eight word arrangements equipped with several layers, the top of each rotatable siege of layer is material receiver section,
Lower part is that material sends out section, and adjacent material is sent out section and is oppositely arranged with material receiver section in vertical direction；Rotatable siege passes through
The driving of siege rotary system, the siege rotary system include the axis for running through furnace body and being fixedly connected with rotatable siege, axis
It can be freely rotated in furnace body, and axis is located at the outer one end connection driven gear of furnace body, driven gear is connected by driving chain
Driving gear, driving gear are driven by variable-frequency motor.
2. a kind of rotatable siege dynamic calcining furnace for powder material according to claim 1, it is characterised in that: institute
The rotation angle for stating rotatable siege is 20-80 °.
3. a kind of rotatable siege dynamic calcining furnace for powder material according to claim 1 or 2, feature exist
In: the axis is by bearing and furnace body through connection.
4. a kind of rotatable siege dynamic calcining furnace for powder material according to claim 1 or 2, feature exist
In: it is additionally provided with air-vent at the top of the furnace body, air-vent is communicated by air inducing pipeline with atmosphere, air inducing pipeline and its internal setting
Electric heating assembly collectively form electric heater unit.
5. a kind of rotatable siege dynamic calcining furnace for powder material according to claim 4, it is characterised in that: institute
Stating electric heating assembly is nickel alloy electricity heated filament.
6. a kind of rotatable siege dynamic calcining furnace for powder material according to claim 4 or 5, feature exist
In: the bottom of furnace body is additionally provided with auxilairy air intake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887602.1A CN109037586A (en) | 2018-08-06 | 2018-08-06 | A kind of rotatable siege dynamic calcining furnace for powder material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887602.1A CN109037586A (en) | 2018-08-06 | 2018-08-06 | A kind of rotatable siege dynamic calcining furnace for powder material |
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| CN109037586A true CN109037586A (en) | 2018-12-18 |
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| CN201810887602.1A Pending CN109037586A (en) | 2018-08-06 | 2018-08-06 | A kind of rotatable siege dynamic calcining furnace for powder material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026251A (en) * | 2019-05-17 | 2019-07-19 | 江苏建筑职业技术学院 | A kind of catalyst roasting apparatus |
| CN113899197A (en) * | 2021-11-02 | 2022-01-07 | 国投金城冶金有限责任公司 | Takeout-type arsenic reduction system and arsenic reduction process |
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| CN107218805A (en) * | 2017-07-07 | 2017-09-29 | 金川集团股份有限公司 | A kind of anticorrosion dynamic multilayer calcining furnace of powder body material |
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| CN208589490U (en) * | 2018-08-06 | 2019-03-08 | 金川集团股份有限公司 | A kind of rotatable siege dynamic calcining furnace for powder material |
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| CN2386408Y (en) * | 1999-09-08 | 2000-07-05 | 麻红宇 | Panel turnover metallic mineral powder roasting furnace |
| JP2004360953A (en) * | 2003-06-03 | 2004-12-24 | Daido Steel Co Ltd | Powder material feeder of movable hearth furnace |
| CN101368790A (en) * | 2008-10-08 | 2009-02-18 | 徐林波 | Step type kiln |
| CN102368016A (en) * | 2011-10-20 | 2012-03-07 | 洛阳市谱瑞慷达耐热测试设备有限公司 | Granular material calcining furnace and calcining method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110026251A (en) * | 2019-05-17 | 2019-07-19 | 江苏建筑职业技术学院 | A kind of catalyst roasting apparatus |
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| CN113899197A (en) * | 2021-11-02 | 2022-01-07 | 国投金城冶金有限责任公司 | Takeout-type arsenic reduction system and arsenic reduction process |
| CN113899197B (en) * | 2021-11-02 | 2023-10-27 | 国投金城冶金有限责任公司 | Spring tank type arsenic reduction system and arsenic reduction process |
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Application publication date: 20181218 |