CN112611233B - Device and method for sintering and coke discharging of lithium battery cathode material - Google Patents
Device and method for sintering and coke discharging of lithium battery cathode material Download PDFInfo
- Publication number
- CN112611233B CN112611233B CN202011520163.4A CN202011520163A CN112611233B CN 112611233 B CN112611233 B CN 112611233B CN 202011520163 A CN202011520163 A CN 202011520163A CN 112611233 B CN112611233 B CN 112611233B
- Authority
- CN
- China
- Prior art keywords
- coke discharging
- negative electrode
- preheating
- electrode material
- chamber
- 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.)
- Active
Links
- 238000007599 discharging Methods 0.000 title claims abstract description 58
- 239000000571 coke Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000010406 cathode material Substances 0.000 title claims abstract description 31
- 238000005245 sintering Methods 0.000 title claims abstract description 27
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 239000000779 smoke Substances 0.000 claims abstract description 19
- 239000010426 asphalt Substances 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 239000011819 refractory material Substances 0.000 claims abstract description 4
- 239000007773 negative electrode material Substances 0.000 claims description 30
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 14
- 239000003546 flue gas Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000010405 anode material Substances 0.000 claims description 3
- 238000003303 reheating Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001706 oxygenating effect Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/063—Special atmospheres, e.g. high pressure atmospheres
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a lithium battery cathode material sintering coke discharging device and a method, the sintering coke discharging device comprises a furnace body, a coke discharging cavity is enclosed by refractory materials in the furnace body, the coke discharging cavity comprises a preheating coke discharging chamber and a heating chamber which are communicated with each other, a cathode material is placed in the preheating coke discharging chamber, a heating device is arranged in the heating chamber, a circulating fan is arranged in the preheating coke discharging chamber, asphalt smoke generated by the cathode material in the preheating coke discharging chamber enters the heating chamber when the sintering coke discharging device works, the heating device heats and burns the asphalt smoke to form reducing smoke, the reducing smoke is sent to the cathode material by the circulating fan, and the reducing smoke is used as atmosphere protective gas and a heating source of the cathode material. The sintering coke discharging device and the sintering coke discharging method for the lithium battery cathode material are simple in process and ingenious in design; but also is beneficial to energy conservation and emission reduction, and has low process cost.
Description
Technical Field
The invention belongs to the heat treatment technology of a lithium battery cathode material, and particularly relates to a sintering coke discharging device and method for the lithium battery cathode material.
Background
With the popularization of new energy automobiles and various vehicles, new energy lithium batteries are widely applied, and the synthesis and quality guarantee of lithium battery cathode materials are particularly important; the negative electrode material of lithium battery belongs to the category of powder material. The roasting is a heat treatment process for heating the cathode material at a certain temperature rising speed under the condition of isolating air and medium protection. The baked cathode material has stable mechanical strength and can obviously improve the thermal conductivity, the electrical conductivity and the high temperature resistance, and the sintering process is a complex process accompanied with a plurality of chemical changes.
The roasting furnace is thermal equipment for sintering and heat treating the cathode material, the raw material of the cathode material adopts asphalt as a coating material, and the cathode material needs to be preheated to discharge coke in the sintering process of the cathode material, therefore, the front end of the cathode material roasting furnace is provided with a preheating coke discharge section, and the coke discharge process of the existing cathode material roasting furnace is as follows: the gas generated in the coke discharging section is combusted and purified by the combustion device and then discharged to the atmosphere. Obviously, the coke discharging process of the existing roasting furnace has the defects of complex process, large energy consumption and high process cost.
Disclosure of Invention
The invention aims to provide a lithium battery cathode material sintering coke discharging device, which is used for solving the problems of high energy consumption and high process cost of a coke discharging section of a cathode material roasting furnace in the prior art.
The invention also aims to provide a method for discharging coke in the sintering process of the negative electrode material of the lithium battery, so as to solve the problems of complex process, large energy consumption and high process cost in the coke discharging process of the roasting furnace of the negative electrode material in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a burnt device is arranged in lithium cell negative pole material sintering, its includes the furnace body, and the furnace body inner wall forms through installation refractory material inside lining and arranges burnt chamber, arrange burnt chamber including preheating of intercommunication and arrange burnt room and heating chamber, negative pole material place in preheat and arrange burnt indoor, be provided with heating device in the heating chamber, preheat and arrange the indoor circulating fan that is provided with of burnt, in the during operation, preheat the pitch flue gas that negative pole material produced in arranging burnt room and get into the heating chamber, heating device heats the burning formation reducing flue gas to the pitch flue gas, and reducing flue gas is delivered to negative pole material department by circulating fan, will reducing flue gas is as negative pole material's atmosphere protective gas and heating source.
Further, arrange the burnt intracavity parallel interval and be provided with the twice baffle that extends along length direction, will arrange the burnt chamber through the twice baffle and separate into the syllogic structure, including the preheating row burnt room that is located the centre, the both sides of preheating row burnt room all are provided with the heating chamber.
Furthermore, the preheating coke discharging chamber and the upper part and the lower part of the heating chamber are both provided with communicating ports.
Furthermore, the circulating fan is arranged at the top of the preheating coke discharging chamber and is positioned above the negative electrode material.
Further, an air inducing cover is arranged in the preheating coke discharging chamber below the circulating fan, and an air outlet of the air inducing cover is positioned right above the cathode material.
Further, a conveying device for conveying the cathode material is arranged at the bottom of the preheating coke discharging chamber.
Further, the heating device adopts any one of an electric heating rod or a gas burner.
Further, be provided with oxygenating pipe and pressure regulating valve on the heating chamber, through the oxygen content in oxygenating pipe control heating chamber, through the pressure in the pressure regulating valve control heating chamber to do benefit to and produce reducing flue gas.
A sintering and coke-discharging method for a lithium battery negative electrode material comprises the following steps:
the smoke generated in the anode material preheating and coke discharging procedure is reheated and combusted;
and sending high-temperature flue gas generated by reheating combustion to the negative electrode material to be used as an auxiliary heating source for preheating and coke discharging of the negative electrode material and atmosphere protective gas.
Furthermore, when the smoke generated in the anode material preheating and coke discharging process is reheated and combusted, the oxygen content of the ambient gas is controlled below 100PPM, and the furnace pressure is controlled between 20psi and 100 psi.
Compared with the prior art, the device and the method for sintering and discharging coke of the negative electrode material of the lithium battery have the beneficial effects that asphalt smoke generated by the negative electrode material is reheated and combusted to form reducing smoke (mainly containing CO and CO)2) And then the reducing smoke is sent to the negative electrode material to be used as the atmosphere protective gas and the heating source. The process is simple and the design is ingenious; and is favorable forEnergy conservation and emission reduction, and low process cost.
Drawings
Fig. 1 is a schematic structural diagram of a sintering and coke-discharging device for a negative electrode material of a lithium battery according to an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a sintering and coke-discharging device for a negative electrode material of a lithium battery according to an embodiment of the present invention.
In this embodiment, a burnt device is arranged in lithium cell negative pole material sintering includes furnace body 1, 1 inner wall of furnace body forms through installation refractory material inside lining 2 and arranges burnt chamber, it is provided with twice baffle 3 that extends along length direction to arrange the burnt intracavity parallel interval, divide into syllogic structure through the cross section that twice baffle 3 will arrange the burnt chamber, including being located middle preheating row burnt chamber 4, the both sides of preheating row burnt chamber 4 all are provided with heating chamber 5, the upper portion and the lower part of baffle 3 all are provided with intercommunication mouth 6, so that preheat the upper portion and the lower part of arranging burnt chamber 4 and both sides heating chamber 5 all communicate each other, negative pole material passes through casket-bowl 7 and places in preheating row burnt chamber 4.
The bottom of the preheating coke discharging chamber 4 is provided with a conveying roller 8 for driving the sagger 7 to convey forwards, the sagger 7 can also be conveyed in a platform conveying mode, a circulating fan 9 positioned on the upper portion of the preheating coke discharging chamber 4 is installed on the furnace body 1, an air draft cover 10 is arranged below the circulating fan 9 in the preheating coke discharging chamber 4, and the air draft cover 10 is positioned right above the sagger 7 and the air outlet of the air draft cover is arranged right opposite to the sagger 7. The heating chamber 5 is provided with an electric heating tube 11, but it is needless to say that other heating means such as a gas burner may be used, an oxygen supply tube 12 for controlling the oxygen content in the heating chamber 4 is provided at the bottom of the heating chamber 5, and a pressure regulating valve 13 for controlling the pressure in the heating chamber 4 is provided at the upper part of the heating chamber 5.
During operation, the negative electrode material enters the preheating coke discharging chamber 4, the electric heating pipe 11 is started, hot air is introduced into the preheating coke discharging chamber 4 through the circulating fan 9 to preheat the negative electrode material, asphalt coated by the negative electrode material is vaporized, the generated asphalt smoke enters the heating chambers 5 on two sides through the communicating port at the bottom of the partition plate 3, the electric heating pipe 11 reheats and combusts the asphalt smoke entering the heating chambers 5, and under the control of certain oxygen content and pressure, the asphalt smoke mainly containing CO and CO is formed2The combustion equation of the reducing flue gas is as follows: cmHn+O2→CO2+CO+H2And O, in the combustion process, hydrocarbon of the asphalt needs to be controlled to be converted into oxygen-free flue gas after being combusted, the oxygen content of reheating combustion in the heating chamber 5 is controlled to be below 100PPM, and the furnace pressure is controlled to be 20-100 psi. And the circulating fan 9 introduces the reducing flue gas into the cathode material in the sagger 7 through the air draft cover 10 through the communication port 6 at the upper part of the partition plate 3, heats the cathode material and uses the heated cathode material as the preheating atmosphere protective gas of the cathode material, and the circulation is carried out until the cathode material coke discharging process is completed.
The arrows in fig. 1 show the circulation flow process of the flue gas in the furnace body 1, and the circulating fan 9 can enable the flue gas in the furnace body 1 to form good circulation flow between the preheating coke-discharging chamber 4 and the heating chamber 5, which is beneficial to discharging coke from the cathode material.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (7)
1. A lithium battery negative electrode material sintering coke discharging device comprises a furnace body, wherein a coke discharging cavity is formed in the inner wall of the furnace body by installing a refractory material lining, and the lithium battery negative electrode material sintering coke discharging device is characterized in that the coke discharging cavity comprises a preheating coke discharging chamber and a heating chamber which are communicated with each other, a negative electrode material is placed in the preheating coke discharging chamber, a heating device is arranged in the heating chamber, a circulating fan is arranged in the preheating coke discharging chamber, asphalt smoke generated by the negative electrode material in the preheating coke discharging chamber enters the heating chamber during working, the heating device heats and burns the asphalt smoke to form reducing smoke, the reducing smoke is sent to the negative electrode material by the circulating fan, and the reducing smoke is used as atmosphere protective gas and a heating source of the negative electrode material;
arrange burnt intracavity parallel interval and be provided with the twice baffle that extends along length direction, will arrange the burnt chamber through the twice baffle and separate into syllogic structure, including the preheating row burnt room that is located the centre, the both sides of preheating row burnt room all are provided with the heating chamber, circulating fan set up in preheat the top of arranging burnt room, be located negative material's top, preheat the upper portion and the lower part of arranging burnt room and heating chamber and all be provided with the intercommunication mouth.
2. The lithium battery cathode material sintering coke discharging device as claimed in claim 1, wherein an air inducing cover is arranged in the preheating coke discharging chamber below the circulating fan, and an air outlet of the air inducing cover is positioned right above the cathode material.
3. The lithium battery negative electrode material sintering coke discharging device as claimed in claim 1, wherein the preheating coke discharging chamber is provided at the bottom thereof with a conveying device for conveying the negative electrode material.
4. The lithium battery negative electrode material sintering coke discharging device as claimed in claim 1, wherein the heating device is any one of an electric heating rod or a gas burner.
5. The lithium battery negative electrode material sintering coke discharging device as claimed in claim 1, wherein an oxygen supply pipe and a pressure regulating valve are provided on the heating chamber.
6. A sintering and coke-discharging method for the negative electrode material of the lithium battery, which is used for the sintering and coke-discharging device for the negative electrode material of the lithium battery as claimed in any one of claims 1 to 5, and is characterized by comprising the following steps:
the smoke generated in the anode material preheating and coke discharging procedure is reheated and combusted;
and sending high-temperature flue gas generated by reheating combustion to the negative electrode material to be used as a heating source for preheating and coke discharging of the negative electrode material and atmosphere protective gas.
7. The method of claim 6, wherein the oxygen content of the ambient gas is controlled to be less than 100PPM and the furnace pressure is controlled to be 20-100 psi when the flue gas generated in the procedure of preheating and discharging coke of the negative electrode material is reheated and combusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011520163.4A CN112611233B (en) | 2020-12-21 | 2020-12-21 | Device and method for sintering and coke discharging of lithium battery cathode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011520163.4A CN112611233B (en) | 2020-12-21 | 2020-12-21 | Device and method for sintering and coke discharging of lithium battery cathode material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112611233A CN112611233A (en) | 2021-04-06 |
| CN112611233B true CN112611233B (en) | 2021-08-17 |
Family
ID=75243822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011520163.4A Active CN112611233B (en) | 2020-12-21 | 2020-12-21 | Device and method for sintering and coke discharging of lithium battery cathode material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112611233B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202973849U (en) * | 2012-07-04 | 2013-06-05 | 北京当升材料科技股份有限公司 | Sintering kiln for lithium battery anode material |
| CN106546097A (en) * | 2016-10-19 | 2017-03-29 | 中国电子科技集团公司第四十八研究所 | Graphite cathode material sintering furnace coke discharging segment structure and graphite cathode material sintering furnace |
| CN108398031A (en) * | 2018-01-30 | 2018-08-14 | 佛山高砂工业窑炉有限公司 | A kind of parallel exhaust combustion processing unit of lithium battery material firing furnace |
| CN108692572A (en) * | 2017-04-07 | 2018-10-23 | 苏州科尔珀恩机械科技有限公司 | A kind of lithium battery atmosphere furnace energy saving circulating system |
| CN108692567A (en) * | 2018-03-30 | 2018-10-23 | 中国电子科技集团公司第四十八研究所 | A kind of nickelic ternary material sintering furnace dumping section furnace body of lithium battery and sintering furnace |
| CN210602844U (en) * | 2019-09-23 | 2020-05-22 | 无锡市中合科技有限公司 | Physical tar removing device for sintering lithium battery powder material |
-
2020
- 2020-12-21 CN CN202011520163.4A patent/CN112611233B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202973849U (en) * | 2012-07-04 | 2013-06-05 | 北京当升材料科技股份有限公司 | Sintering kiln for lithium battery anode material |
| CN106546097A (en) * | 2016-10-19 | 2017-03-29 | 中国电子科技集团公司第四十八研究所 | Graphite cathode material sintering furnace coke discharging segment structure and graphite cathode material sintering furnace |
| CN108692572A (en) * | 2017-04-07 | 2018-10-23 | 苏州科尔珀恩机械科技有限公司 | A kind of lithium battery atmosphere furnace energy saving circulating system |
| CN108398031A (en) * | 2018-01-30 | 2018-08-14 | 佛山高砂工业窑炉有限公司 | A kind of parallel exhaust combustion processing unit of lithium battery material firing furnace |
| CN108692567A (en) * | 2018-03-30 | 2018-10-23 | 中国电子科技集团公司第四十八研究所 | A kind of nickelic ternary material sintering furnace dumping section furnace body of lithium battery and sintering furnace |
| CN210602844U (en) * | 2019-09-23 | 2020-05-22 | 无锡市中合科技有限公司 | Physical tar removing device for sintering lithium battery powder material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112611233A (en) | 2021-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206339094U (en) | Heating using microwave produces the product line device of alloy | |
| CN203432300U (en) | Hot air circulation device of tunnel kiln | |
| CN105202912A (en) | Gas roller way kiln | |
| CN106196058A (en) | Ultralow NOx flame burning technology heat-accumulating burner | |
| CN102878808B (en) | Series connection industrial kiln | |
| CN101353579B (en) | 7.63m coke oven negative pressure in-furnace furnace drying method | |
| CN112629247B (en) | Lithium battery negative electrode material roasting furnace and roasting method | |
| CN112611233B (en) | Device and method for sintering and coke discharging of lithium battery cathode material | |
| CN202928349U (en) | Series-connection industrial furnace | |
| CN216472839U (en) | Float glass melting furnace and combustion control system of zero furnace thereof | |
| CN103206857B (en) | Method for operating environment-friendly energy-saving de-waxing kiln | |
| CN109798764A (en) | A kind of the environment-friendly and energy-efficient combustion apparatus and technique of mating bundled scrap preheating | |
| CN113532109B (en) | Control method of environment-friendly compact Jun porcelain energy-saving kiln | |
| CN205192225U (en) | Gas roll table kiln | |
| CN205957173U (en) | Ultralow NOx flame combustion technology regenerative burner | |
| CN2102484U (en) | Three ring type carbon products baking furnace | |
| CN110375327B (en) | High-efficient clean super enthalpy burner and furnace body of using thereof | |
| CN207894229U (en) | A kind of tunnel oven device of brick firing | |
| CN206817966U (en) | A kind of new energy saving and environment friendly car type furnace | |
| CN205784529U (en) | A kind of Novel tunnel furnace fired for china bowl | |
| CN201720387U (en) | Two-position fume exhaust chamber-type forge furnace | |
| CN206051831U (en) | A kind of combustion air feed system of furnace burning producer gas glass melter | |
| CN206219497U (en) | Furnace drying device and coke oven | |
| CN104697343B (en) | Ultrahigh-temperature fuel stove | |
| CN205209266U (en) | A open hearth is smelted to heat accumulation formula for reclaimed copper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Ligang Inventor after: Zhang Yuejin Inventor after: Wang Xing Inventor before: Huang Ligang Inventor before: Zhang Yuejin Inventor before: Wang Xing Inventor before: Zhao Qianglin |
|
| CB03 | Change of inventor or designer information | ||
| CP03 | Change of name, title or address |
Address after: No. 1398 Qinan Road, Yangcheng Science and Technology Industrial Park, Xiangcheng District, Suzhou City, Jiangsu Province, China Patentee after: Suzhou Cohen New Energy Technology Co.,Ltd. Country or region after: China Address before: 215138 buildings 3 and 4, 289 Fengyang Road, Dalou village, Yangchenghu Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU KEER POEN MACHINERY TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |