CN209113495U - A kind of graphitizing furnace - Google Patents
A kind of graphitizing furnace Download PDFInfo
- Publication number
- CN209113495U CN209113495U CN201821667136.8U CN201821667136U CN209113495U CN 209113495 U CN209113495 U CN 209113495U CN 201821667136 U CN201821667136 U CN 201821667136U CN 209113495 U CN209113495 U CN 209113495U
- Authority
- CN
- China
- Prior art keywords
- furnace
- burner hearth
- furnace body
- graphitizing
- inert gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model provides a kind of graphitizing furnace.The utility model includes horizontally disposed furnace body; the side of the furnace body is provided with feed inlet; the other side is provided with discharge port; the furnace interior has burner hearth; the burner hearth includes the heating furnace close to the feed inlet and the heat preservation burner hearth close to the discharge port direction; the heating furnace inner wall is provided with heating electrode; screw feeding bar is provided with inside the burner hearth; for the screw feeding bar by connection axis connection variable-frequency motor, the furnace body is interior to connect inert gas protection system by pipeline.It is heated evenly inside the utility model, avoids material accumulation, graphitization effect is good.
Description
Technical field:
The utility model relates to a kind of graphitizing furnaces, belong to lithium cell cathode material production equipment technology.
Background technique:
Graphite is since conductive energy is good, and crystallinity is high, and the good characteristics such as two-dimensional layered structure are very suitable to Li ion
Embedding people, abjection, the coefficient of expansion is small during charging, discharging electric batteries, highly-safe, and graphite-like lithium cell cathode material is caused to obtain
It is existing mainly to have natural graphite (Natural Graphite) NG, artificial graphite to extensive research, promotion and application
(Artifical Graphite) AG and composite graphite (Composite Graphite) three categories graphite-like lithium ion battery anode material
Material, due to graphite-like lithium cell cathode material have high specific discharge capacity, cycle performance is superior, charge-discharge property is excellent,
The superior functions such as security performance is prominent and stable and controllable for quality, are up to 90% or more in lithium cell cathode material dosage accounting.Stone
Black class negative electrode material obtain by pre-processings such as air-flow crushing, spheroidization, the processing of surface package, charings with standard body and
After the semi-finished product of size distribution, require by special graphitizing furnace through 2800 DEG C or more high-temperature heat treatments, to make
The chemical properties such as its capacity, multiplying power, cycle performance obtain perfect condition.Container all uses graphite material in graphitizing process
Matter, as zero short time of electric current rises to hundreds of thousands ampere, temperature is steeply risen, high to the requirement of mechanical strength of material.It is existing
Some graphitizing furnaces mostly use greatly cylindrical crucible conduction conductive mainly by crucible contact point and resistance material, and resistance is big, electric power feeding time
Long, thermal diffusion is serious, causes efficiency of heating- utilization low, it is therefore desirable to improve to existing graphitizing furnace structure.
To solve the above-mentioned problems, Chinese patent CN201621233493.4 discloses a kind of production lithium cell cathode material
Cascade graphitizing furnaces, furnace wall, furnace body and the positive and negative conductive electrode at furnace body both ends, the bottom of furnace body be provided with a group slot,
Grafting is fixed with reinforcement partition in slot, and the reinforcement partition section is I type, and both ends have been symmetrically arranged a pair of of groove, have added
Strong partition is connected to form crucible by groove engagement with several plates, shares between adjacent crucible and reinforces partition as crucible side
Wall, the crucible further include crucible bottom plate and crucible cover plate.The graphitizing furnace increases the utilization efficiency of graphite crucible container,
It is connected to form crucible by groove engagement with plate by reinforcing partition, provides many places supporting point and buffering scale, improve earthenware
The mechanical performance of crucible, meanwhile, detachable structure makes monolithic plate or reinforces replaceable, reduction production cost after partition damage,
Improve Business Economic Benefit.This application effectively improves the utilization efficiency of graphite crucible container, but due to partition
Barrier, causes efficiency of heating- utilization that cannot be effectively improved, is unfavorable for energy conservation.
Utility model content:
The purpose of this utility model is to provide a kind of graphitizing furnace in view of the above problems, and inside is heated evenly, heat
Utilization efficiency is high, and graphitization effect is good.
Above-mentioned purpose is realized by following technical scheme:
A kind of graphitizing furnace, including horizontally disposed furnace body, the side of the furnace body are provided with feed inlet, and the other side is set
It is equipped with discharge port, the furnace interior has burner hearth, and the burner hearth includes close to the heating furnace of the feed inlet and close to institute
The heat preservation burner hearth in discharge port direction is stated, the heating furnace inner wall is provided with heating electrode, is provided with spiral inside the burner hearth
Feeding rod, for the screw feeding bar by connection axis connection variable-frequency motor, the furnace body is interior to connect inert gas by pipeline
Protection system.
The graphitizing furnace is provided with charging valve plate at the feed inlet, and the discharge outlet is provided with discharging valve plate.
The graphitizing furnace is provided with insulating layer outside the furnace body.
The graphitizing furnace, the inert gas protection system include inert gas tank, and the inert gas tank connects
It connects to feed channel, it is described to being provided with valve in feed channel.
The graphitizing furnace is provided with exhaust outlet on the furnace body.
The utility model has the advantages that
The utility model eliminates crucible, directly heats to material, and efficiency of heating- utilization is high, while using screw feeding
Bar conveys material, avoids material accumulation, and screw feeding bar is driven by variable-frequency motor, can be according to discharging party in request
Just material residence time in burner hearth is controlled, inside is heated evenly, and graphitization effect is good.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model.
1, furnace body in figure；2, feed inlet；3, discharge port；4, heating furnace；5, burner hearth is kept the temperature；6, electrode is heated；7, spiral
Feeding rod；8, variable-frequency motor；9, valve plate is fed；10, discharging valve plate；11, insulating layer；12, inert gas tank；13, feed channel is given；
14, valve；15, exhaust outlet.
Specific embodiment:
Embodiment 1:
A kind of graphitizing furnace of the present embodiment as shown in Figure 1:, including horizontally disposed furnace body 1, the side of the furnace body
Be provided with feed inlet 2, the other side is provided with discharge port 3, and the furnace interior has a burner hearth, the burner hearth include close to it is described into
The heat preservation burner hearth 5 of the heating furnace 4 of material mouth and the close discharge port direction, the heating furnace inner wall are provided with heating electrode
6, the burner hearth the inside is provided with screw feeding bar 7, and the screw feeding bar is described by connection axis connection variable-frequency motor 8
Inert gas protection system is connected by pipeline in furnace body.
The graphitizing furnace, charging valve plate 9 is provided at the feed inlet, and the discharge outlet is provided with discharging valve plate
10。
The graphitizing furnace is provided with insulating layer 11 outside the furnace body.
The graphitizing furnace, the inert gas protection system include inert gas tank 12, the inert gas tank
It connects to feed channel 13, it is described to being provided with valve 14 in feed channel.
The graphitizing furnace is provided with exhaust outlet 15 on the furnace body.
Working principle:
Material enters after burner hearth, is conveyed by screw feeding bar to material, avoids material accumulation, while spiral
Feeding rod is driven by variable-frequency motor, and material residence time in burner hearth can be easily controlled according to discharging demand.
Technological means disclosed in the utility model is not limited to the technical means disclosed in the above technical means, also
Including the technical solution as composed by the above technical characteristic equivalent replacement.The unaccomplished matter of the utility model belongs to this field skill
The common knowledge of art personnel.
Claims (5)
1. a kind of graphitizing furnace, it is characterized in that: including horizontally disposed furnace body, the side of the furnace body is provided with feed inlet,
The other side is provided with discharge port, and the furnace interior has burner hearth, and the burner hearth includes the heating furnace close to the feed inlet
With the heat preservation burner hearth close to the discharge port direction, the heating furnace inner wall is provided with heating electrode, sets inside the burner hearth
It is equipped with screw feeding bar, the screw feeding bar is connected by connection axis connection variable-frequency motor, the interior pipeline that passes through of the furnace body
Inert gas protection system.
2. graphitizing furnace according to claim 1, it is characterized in that: be provided with charging valve plate at the feed inlet, it is described go out
Discharging valve plate is provided at material mouth.
3. graphitizing furnace according to claim 1, it is characterized in that: being provided with insulating layer outside the furnace body.
4. graphitizing furnace according to claim 1, it is characterized in that: the inert gas protection system includes inert gas
Tank, the inert gas tank are connected to feed channel, described to being provided with valve in feed channel.
5. graphitizing furnace according to claim 1, it is characterized in that: being provided with exhaust outlet on the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821667136.8U CN209113495U (en) | 2018-10-15 | 2018-10-15 | A kind of graphitizing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821667136.8U CN209113495U (en) | 2018-10-15 | 2018-10-15 | A kind of graphitizing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209113495U true CN209113495U (en) | 2019-07-16 |
Family
ID=67201056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821667136.8U Expired - Fee Related CN209113495U (en) | 2018-10-15 | 2018-10-15 | A kind of graphitizing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209113495U (en) |
-
2018
- 2018-10-15 CN CN201821667136.8U patent/CN209113495U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190716 Termination date: 20211015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |