CN108727027A - A kind of processing technology and process equipment of novel conjoined crucible structure - Google Patents
A kind of processing technology and process equipment of novel conjoined crucible structure Download PDFInfo
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- CN108727027A CN108727027A CN201810652153.2A CN201810652153A CN108727027A CN 108727027 A CN108727027 A CN 108727027A CN 201810652153 A CN201810652153 A CN 201810652153A CN 108727027 A CN108727027 A CN 108727027A
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- crucible
- bottom plate
- processing technology
- novel conjoined
- platform bottom
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/522—Graphite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
- B28B1/0873—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould the mould being placed on vibrating or jolting supports, e.g. moulding tables
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Carbon And Carbon Compounds (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses a kind of processing technologys and process equipment of novel conjoined crucible structure, including shaking platform bottom plate, the shake platform bottom plate is mounted on load bearing trolley, and it is provided with die ontology above shake platform bottom plate, the avris of the load bearing trolley is provided with flat bogie, and the surface of flat bogie is equipped with positioning pin.The processing technology and process equipment of the novel conjoined crucible structure, it is low with the residual compression of vibrating forming machine, produce the equipment advantage that product homogenisation waits well, improve the quality of production of crucible, optimize technique, due to the fine grained formula of use, therefore Baking profile is adjusted to 650 hours curves by pervious 450 hours curves, slow down the heating rate of roasting to reduce the generation of crackle, reduce the probability of clashing and breaking, the production cost of negative material can be substantially reduced, knockout course is more convenient, mechanical strength for enhancing crucible entirety has significant effect, it can preferably be filled when being conducive to vibration moulding simultaneously, ensure the homogenieity of product.
Description
Technical field
The present invention relates to lithium cell cathode material production technical field, specially a kind of processing of novel conjoined crucible structure
Technique and process equipment.
Background technology
Graphitization is to be realized the carbon atom of thermodynamic instability from Turbostratic to crystal structure of graphite using thermal activation
Transform in order, therefore, in graphitizing process, use high-temperature heat treatment to atomic rearrangement and structure transformation provide energy.
In order to make the degree of graphitization of difficult graphitized carbon material be improved, addition catalyst method, referred to as catalytic graphite can also be used
Change.
Well known, the quality good or not of graphite crucible and service life are to determine during lithium cell cathode material is graphited
Determine graphited one big cost factor of negative material, presently used graphite crucible belongs to circular independent crucible, round independent
Crucible difficulty during graphitization takes on stove is big, while being susceptible to clashing and breaking, leads to the reduced service life of crucible, simultaneously
Due to being that independent crucible easily damages so the intensity of crucible is low, therefore in order to increase the service life and intensity of crucible, gives birth to
The rectangular crucible of output disjunctor, can greatly enhance the service life of crucible in this way.
Invention content
The purpose of the present invention is to provide a kind of processing technologys and process equipment of novel conjoined crucible structure, in solution
It states and proposes that presently used graphite crucible belongs to circular independent crucible in background technology, round independent crucible takes in graphitization
Difficulty is big during stove, while being susceptible to clashing and breaking, leads to the reduced service life of crucible, simultaneously because independent crucible,
So the intensity of crucible is low, the problem of easily damage.
To achieve the above object, the present invention provides the following technical solutions：
A kind of processing technology of novel conjoined crucible structure, the processing technology includes following steps：
Step 1：Petroleum coke is calcined using calciner first；
Step 2：Crushing and screening is carried out to the material after calcining, after reaching granularity requirements, the material after crushing and screening is matched
Material operation；
Step 3：Kneading operation is carried out to the raw material after dispensing using kneading equipment, after the completion of kneading, material is poured into mold,
Forming operation is carried out to material using former；
Step 4：Baking operation is carried out to material after molding；
Step 5：Graphitization and machine operations are carried out to the crucible after the completion of sintering.
Preferably, the calciner in the step 1 is calcination rotary kiln or can-type calcine furnace.
Preferably, the granularity requirements in the step 2 are that the maximum particle size of material is less than 0.8mm.
Preferably, the kneading equipment in the step 3 is kneading pot, and the temperature adjustment form of the kneading pot is jacket type, is stirred
It is " Z " shaped blade to mix leaf, and the discharge method of kneading pot discharges for screw extrusion type, and the former in the step 3 is
The pressurization weight of vibrating forming machine, the vibrating forming machine is 60T.
Preferably, the Baking profile in the step 4 is 650 hours curves.
Preferably, the crucible in the step 5 is equipped with lithium cell cathode material in graphitizing process in crucible.
A kind of process equipment of novel conjoined crucible structure, including shake platform bottom plate, it is small that the shake platform bottom plate is mounted on load-bearing
Che Shang, and shake and be provided with die ontology above platform bottom plate, the avris of the load bearing trolley is provided with flat bogie, and tablet is small
The surface of vehicle is equipped with positioning pin.
Preferably, the upper surface of the shake platform bottom plate is provided with cylinder, and the two is to be welded to connect, and cylinder is square structure
Or circular configuration.
Preferably, the bottom end of the die ontology is connected by fixing bolt with movable floor, and movable floor is nested in
It is equipped on the shake platform bottom plate of cylinder.
Compared with prior art, the beneficial effects of the invention are as follows：The processing technology of the novel conjoined crucible structure and processing
Equipment,
1. the equipment advantage low with the residual compression of vibrating forming machine, production product homogenisation is good etc., in the shake of originaling forming machine
Platform is additionally arranged at the bottom column, by being transformed die forming machine, being formulated improvement（Formula used the largest particles 12mm in the past, in order to increase
Add the intensity of crucible that maximum particle size is adjusted to 0.8mm or less）, improve the quality of production of crucible；
2. optimize technique easy tos produce crackle, therefore roasting due to the fine grained formula of use during roasting
Curve is adjusted to 650 hours curves by pervious 450 hours curves, slows down the heating rate of roasting to reduce the production of crackle
It is raw；
3. in graphitizing process, lithium cell cathode material is packed into disjunctor crucible, on the one hand can increase the dress of negative material
Furnace volume reduces the difficulty of graphitization shove charge, reduces the probability of clashing and breaking on the other hand since disjunctor crucible belongs to rectangular,
The production cost of negative material can be substantially reduced；
4. the structure design between fixing bolt and movable floor and die ontology makes green compact be convenient for crucible after formation
Whole to take out, knockout course is more convenient, prevents the damage caused by crucible during demoulding, is had bad luck convenient for the green compact in later stage
And roasting shove charge；
5. the reduction of grain graininess increases the compactness between crucible integral material, strong for the whole machinery of enhancing crucible
Degree has significant effect, while the homogenieity of product can preferably be filled, be ensured to while being conducive to vibration moulding.
Description of the drawings
Fig. 1 is process equipment structural schematic diagram of the present invention.
In figure：1, platform bottom plate is shaken；11, cylinder；2, load bearing trolley；3, die ontology；31, movable floor；32, fixed spiral shell
Bolt；4, flat bogie；41, positioning pin.
Specific implementation mode
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 describes, 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.
The present invention provides the following technical solutions：
A kind of processing technology of novel conjoined crucible structure, processing technology includes following steps：
Step 1：Petroleum coke is calcined using calciner first, calciner is calcination rotary kiln or can-type calcine furnace；
Step 2：Crushing and screening is carried out to the material after calcining, after reaching granularity requirements, the material after crushing and screening is matched
Material operation, granularity requirements are that the maximum particle size of material is less than 0.8mm, and the conventional formulation that compares uses the largest particles 12mm, particle
The reduction of granularity increases the compactness between crucible integral material, and the mechanical strength for enhancing crucible entirety has significantly
Effect, while while being conducive to vibration moulding can preferably fill, ensure the homogenieity of product；
Step 3：Kneading operation is carried out to the raw material after dispensing using kneading equipment, after the completion of kneading, material is poured into mold,
Forming operation is carried out to material using former, kneading equipment is kneading pot, and the temperature adjustment form of kneading pot is jacket type, stirring
Leaf is " Z " shaped blade, and the discharge method of kneading pot is that screw extrusion type discharges, the former in step 3 be vibrate at
The pressurization weight of type machine, vibrating forming machine is 60T；
Step 4：Baking operation is carried out to material after molding, Baking profile is 650 hours curves, since the fine grained of use is matched
Side, therefore crackle is easy tod produce during roasting, therefore Baking profile is adjusted to 650 by pervious 450 hours curves
Hour curve, slows down the heating rate of roasting to reduce the generation of crackle；
Step 5：Graphitization and machine operations are carried out to the crucible after the completion of sintering, crucible is in graphitizing process, in crucible
Equipped with lithium cell cathode material, it on the one hand can increase the batch of negative material, on the other hand due to the disjunctor crucible side of belonging to
Shape, reduce the difficulty of graphitization shove charge, reduces the probability of clashing and breaking, the production cost of negative material can be substantially reduced.
As shown in Figure 1, a kind of process equipment of novel conjoined crucible structure, including shake platform bottom plate 1, shake platform bottom plate 1 are installed
On load bearing trolley 2, and the top for shaking platform bottom plate 1 is provided with die ontology 3, and the avris of load bearing trolley 2 is provided with flat bogie
4, and the surface of flat bogie 4 is equipped with positioning pin 41.
The upper surface of the shake platform bottom plate 1 of this example is provided with cylinder 11, and the two is to be welded to connect, and cylinder 11 is square structure
Or circular configuration can require the ruler of setting cylinder 11 in original 1 upper weld fixed cylinder 11 of shake platform bottom plate according to product specification
It is very little, in order to the processing and forming of crucible.
The bottom end of die ontology 3 is connected by fixing bolt 32 with movable floor 31, and movable floor 31 is nested in installation
Have on the shake platform bottom plate 1 of cylinder 11, is taken out convenient for the whole of crucible after molding, knockout course is more convenient, prevents from demoulding
Shove charge is had bad luck and roasted to damage, the green compact convenient for the later stage caused by crucible in the process.
Process equipment in this specification refers in particular to the device structure for forming operation in processing technology, therefore, such as Fig. 1 institutes
Show, the application method of the equipment is：In the upper weld fixed cylinder 11 of original shake platform bottom plate 1, can be required according to product specification
The size of cylinder 11 is pre-set, installs movable floor 31 additional on shake platform bottom plate 1, by adjusting factory formula grade when molding
The measure of composition, increase additive, optimize technique improves thickener mobility, can preferably be filled when being conducive to vibration moulding,
Ensure product homogenieity, through the 60T that vibrates, pressurizes be molded into certain altitude, size product；
Product after molding stood in die ontology 3, cool down after there is certain intensity to be leaned on when die ontology 3 is promoted
Fixing bolt 32 between movable floor 31 drives movable floor 31 to move up together, while green compact after molding will
It falls off from cylinder 11, the green compact with some strength rise with die ontology 3, movable floor 31；
After cylinder 11 and shake platform bottom plate 1 detach in real time with green compact, fall on load bearing trolley 2, and load bearing trolley 2 is followed to remove,
3 lower section basic bit of break away from moulds ontology, flat bogie 4 are run to immediately below die ontology 3, and movable floor 31 is with die ontology 3
It falls together on flat bogie 4；
Back-out fixing bolt 32, movable floor 31 detaches in real time with die ontology 3, and die ontology 3 rises, movable floor 31 and life
Base falls on flat bogie 4, and flat bogie 4 continues to move to, and runs to pushing block position, the lifting of 31 top of overhead traveling crane handling movable floor
Hole enters water cooling into cooling bay together with green compact, increases the mechanical strength of green compact, 31 He of fixing bolt 32 and movable floor
Structure design between die ontology 3 makes green compact that the whole of crucible is convenient for take out after formation, and knockout course is more convenient,
It prevents from damaging caused by crucible during demoulding, shove charge is had bad luck and roasted to the green compact convenient for the later stage.
It should also be noted that undocumented part in specification, belongs to known to one of skill in the art or existing
Sufficient content is disclosed.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of processing technology of novel conjoined crucible structure, it is characterised in that：The processing technology includes following steps：
Step 1：Petroleum coke is calcined using calciner first；
Step 2：Crushing and screening is carried out to the material after calcining, after reaching granularity requirements, the material after crushing and screening is matched
Material operation；
Step 3：Kneading operation is carried out to the raw material after dispensing using kneading equipment, after the completion of kneading, material is poured into mold,
Forming operation is carried out to material using former；
Step 4：Baking operation is carried out to material after molding；
Step 5：Graphitization and machine operations are carried out to the crucible after the completion of sintering.
2. a kind of processing technology of novel conjoined crucible structure according to claim 1, it is characterised in that：The step 1
In calciner be calcination rotary kiln or can-type calcine furnace.
3. a kind of processing technology of novel conjoined crucible structure according to claim 1, it is characterised in that：The step 2
In granularity requirements be material maximum particle size be less than 0.8mm.
4. a kind of processing technology of novel conjoined crucible structure according to claim 1, it is characterised in that：The step 3
In kneading equipment be kneading pot, the temperature adjustment form of the kneading pot is jacket type, and paddle is " Z " shaped blade, and kneading
The discharge method of pot discharges for screw extrusion type, and the former in the step 3 is vibrating forming machine, the vibrating forming machine
Pressurization weight be 60T.
5. a kind of processing technology of novel conjoined crucible structure according to claim 1, it is characterised in that：The step 4
In Baking profile be 650 hours curves.
6. a kind of processing technology of novel conjoined crucible structure according to claim 1, it is characterised in that：The step 5
In crucible in graphitizing process, lithium cell cathode material is housed in crucible.
7. a kind of process equipment of novel conjoined crucible structure, including shake platform bottom plate（1）, it is characterised in that：The shake platform bottom plate
（1）Mounted on load bearing trolley（2）On, and shake platform bottom plate（1）Top be provided with die ontology（3）, the load bearing trolley（2）'s
Avris is provided with flat bogie（4）, and flat bogie（4）Surface positioning pin is installed（41）.
8. a kind of process equipment of novel conjoined crucible structure according to claim 1, it is characterised in that：The shake platform bottom
Plate（1）Upper surface be provided with cylinder（11）, the two is is welded to connect, and cylinder（11）For square structure or circular configuration.
9. a kind of process equipment of novel conjoined crucible structure according to claim 8, it is characterised in that：The mold sheet
Body（3）Bottom end pass through fixing bolt（32）And movable floor（31）It is connected, movable floor（31）It is nested in and cylinder is installed
（11）Shake platform bottom plate（1）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652153.2A CN108727027B (en) | 2018-06-22 | 2018-06-22 | Processing technology and processing equipment of conjoined crucible structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652153.2A CN108727027B (en) | 2018-06-22 | 2018-06-22 | Processing technology and processing equipment of conjoined crucible structure |
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| CN108727027A true CN108727027A (en) | 2018-11-02 |
| CN108727027B CN108727027B (en) | 2021-06-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115569723A (en) * | 2022-12-07 | 2023-01-06 | 石家庄中栋碳素有限公司 | Automatic collecting system for new energy lithium battery negative electrode materials |
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| CN101288966A (en) * | 2007-04-19 | 2008-10-22 | 张存涛 | Method for producing concrete hollow building block (brick) using lifting mould core |
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| CN105565308A (en) * | 2016-01-20 | 2016-05-11 | 上海景烯新能源材料科技有限公司 | Crucible made from green oil coke and water-soluble adhesive and manufacturing method of crucible |
| WO2016100773A1 (en) * | 2014-12-19 | 2016-06-23 | United States Of America, As Repressented By The Secretary Of Agriculture | Methods of producing calcined coke from bio-oil and calcined coke produced thereby |
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-
2018
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| CN2502874Y (en) * | 2001-10-26 | 2002-07-31 | 速世昌 | Secondary damould block forming machine |
| CN1663765A (en) * | 2005-02-03 | 2005-09-07 | 李艺明 | Moveable assembled box type formwork and its application process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115569723A (en) * | 2022-12-07 | 2023-01-06 | 石家庄中栋碳素有限公司 | Automatic collecting system for new energy lithium battery negative electrode materials |
| CN115569723B (en) * | 2022-12-07 | 2023-03-14 | 石家庄中栋碳素有限公司 | Automatic collecting system for new energy lithium battery negative electrode materials |
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| Publication number | Publication date |
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| CN108727027B (en) | 2021-06-11 |
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