CN105460928B - A kind of granular graphite continuous high temperature heat-treatment production line - Google Patents
A kind of granular graphite continuous high temperature heat-treatment production line Download PDFInfo
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- CN105460928B CN105460928B CN201511011666.8A CN201511011666A CN105460928B CN 105460928 B CN105460928 B CN 105460928B CN 201511011666 A CN201511011666 A CN 201511011666A CN 105460928 B CN105460928 B CN 105460928B
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Abstract
The present invention relates to a kind of granular graphite continuous high temperature heat-treatment production line, including band preheating feeding device, intermediate bunker, vertical continuous induction heating furnace, drawing mechanism and waste gas waste residue collection device；This plays a part of dried material with moisture content and fugitive constituent in preheating feeding device evaporation material；The mode of heating of vertical continuous induction heating furnace is sensing heating, and this production line realizes the high-temperature heat treatment process such as high temperature purification, graphitization, carbonization；Heat treatment object is the graininess battery graphite negative electrodes material including the granular graphite including natural graphite particles and synthetic graphite particles, or after shaping coating modification, or other carbon materials and non-carbon material.This granular graphite continuous high temperature heat-treatment production line and pyrogenic process continuous production processes are purified to granular graphite material, compensate for the deficiency of hydrofluoric acid wet purification, the characteristics of with high efficiency, low energy consumption, environmental protection.
Description
Technical field
Can be realized to graininess the present invention relates to a kind of granular graphite continuous high temperature heat-treatment production line, particularly one kind
A kind of granular graphite continuous high temperature heat-treatment production line of the continuous purifying technique of native graphite, and can realize to including lithium from
Sub- battery material negative pole carries out the granular graphite company of continuous graphitization, continuous carbonization technique in interior granular graphite class material
Continuous high-temperature heat treatment production line.
Background technology
Native graphite is one of Dominant Mineral Resources of China, to realize the deep processing application of native graphite, it is necessary to
Granular native graphite raw ore flotation material carries out purification processes, and current native graphite purifying technique is mostly hydrofluoric acid wet method work
Skill, haves the shortcomings that complex process, environmental pollution are serious, the rate of recovery is low, the wasting of resources is larger.
The content of the invention
It is an object of the invention to overcome above-mentioned wet processing defect, there is provided one kind includes particle using thermal process purification
Shape native graphite is in a kind of interior granular graphite continuous high temperature heat-treatment production line, and can realize to including lithium ion battery
Material negative pole carries out the granular graphite continuous high temperature of continuous graphitization, continuous carbonization technique in interior granular graphite class material
Heat-treatment production line.
Technical scheme：A kind of granular graphite continuous high temperature heat-treatment production line, including the pre- hot feed dress of band
Put, intermediate bunker, vertical continuous induction heating furnace, drawing mechanism, waste gas waste residue collection device, it is described band preheating feeding device be
Horizontal type structure, including reducing gear, conveying pipeline, hopper, filter, horizontal inductor, heat-insulation layer；Wherein, the conveying pipeline
One end is connected with intermediate bunker, and the other end is connected with hopper and filter, and conveying pipeline middle part sets horizontal sensing
Device and heat-insulation layer, horizontal inductor, heat-insulation layer and conveying pipeline section are circular configuration, and concentric cloth from outside to inside successively
Put；The material extrusion axle with helical blade is provided with the conveying pipeline, the material extrusion axle is connected with reducing gear, reducing gear drives and squeezes
Material axle rotates around its center axis；The axial line of conveying pipeline is upper and lower parallel construction with the axial line of material extrusion axle, i.e.,
Material is provided with an insertion intermediate bunker to the exhaust passage of filter above the accumulation plane in conveying pipeline；It is vented logical
The one end in road is connected with filter, and the other end is connected with intermediate bunker, and filter is arranged on horizontal inductor with material
Between bucket；Moisture content that material is produced in the conveying pipeline in the heating zone at correspondence inductor position and fugitive constituent by exhaust passage,
Filter enters the outer specified location of production line；Band preheating feeding device is responsible for transporting material in intermediate bunker, and by water
Part and fugitive constituent are through exhaust passage and filter discharge production line；
The intermediate bunker be vertical structure, intermediate bunker include air inlet pipe, reducing gear, agitating shaft, adpting flange and
Shell；Wherein, agitating shaft is for longitudinally disposed, and agitating shaft is provided with dredging tooth between the upper and lower every, lateral arrangement, the lower end of agitating shaft
In the tremie pipe of the heating cylinder in portion's insertion vertical continuous induction heating furnace, and it is close to or stretches out tremie pipe baseplane, air inlet
Pipe be arranged on intermediate bunker left side on, reducing gear be arranged on intermediate bunker top, the intermediate bunker side with pre- hot feed
Device is connected, and bottom is connected with vertical continuous induction heating furnace；Reducing gear in intermediate bunker drives agitating shaft around certainly
Body central axis rotates or rotary oscillation, agitating shaft in the future carry preheating feeding device material it is smooth be transported to lower section
Vertical continuous induction heating furnace in；Protective gas enters from air inlet pipe, and material is produced in preheating feeding device
Moisture content and fugitive constituent are discharged into the outer specified location of production line through exhaust passage, filter；
The vertical continuous induction heating furnace be vertical structure, vertical continuous induction heating furnace include central stirring shaft, temporarily
Deposit space, dividing plate, scraper plate, combined type boiler tube, feed pipe, exhaust scum pipe, inductor, external thermal insulation, inner thermal insulating layer, cartridge heater
Body, cooling cylinder and discharge nozzle, wherein, heating cylinder is stacked and is connected in series up and down with cooling cylinder；Central stirring shaft is vertically passed through
Wear heating cylinder and the upper surface of heating cylinder, central stirring shaft lower surface are stretched out in cooling cylinder, i.e. central stirring shaft upper surface
The lower surface of cooling cylinder is stretched out, the central stirring shaft periphery face of cylinder is provided with scraper plate between the upper and lower every, lateral arrangement, center stirring
The neighbouring scraper plate of axle mutually staggers in circumferential orientation, and this example staggers 180 °, and central stirring shaft is done around its center axis and revolved
Transhipment is dynamic or rotary oscillation, and central stirring shaft is transported to the material from intermediate bunker is smooth in the drawing mechanism of bottom；
The combined type boiler tube is stacked and formed up and down by several sub- boiler tubes by the seam of several dividing plates, i.e., about two phases
Dividing plate is provided between adjacent sub- boiler tube, the dividing plate upper and lower end face is made up of by one cylindrical plane of a loop and middle circle plane respectively
The annular seam being engaged with sub- boiler tube inner circle, sub- boiler tube is stacked to concentric cylinder up and down by the annular seam；
The dividing plate center is provided with a through hole being engaged with central stirring shaft external diameter, dividing plate with scraper plate rotational trajectory
The corresponding middle circle plane in lower section be provided with can ensure that scraper plate down through penetrating groove, the penetrating groove is used not only for wearing
Have scraper plate central stirring shaft part assemble, or material transmission channel；
The sub- boiler tube of the combined type boiler tube constitutes a temporarily providing room with lower clapboard thereon and central stirring shaft；Phase up and down
The penetrating groove of adjacent dividing plate avoids same vertical space or same circumferential orientation, it is ensured that the material flow down from uppermost partition falls in phase
On adjacent lower clapboard, then by the scraper plate that rotates by material transferring to adjacent lower section temporarily providing room, by that analogy, until
Material is sent to discharging opening；
The section of the inductor, external thermal insulation, inner thermal insulating layer, combined type boiler tube and central stirring shaft is circular knot
Structure, and concentric setting from outside to inside successively；Combined type boiler tube not still material container and the passage component for material transferring,
Or heater；
The exhaust scum pipe is arranged on heating cylinder side higher than feed pipe baseplane position, exhaust scum pipe one end with
The burner hearth connection of vertical continuous induction heating furnace, the other end is connected with waste gas waste residue collection device；
The discharge nozzle is arranged on cooling cylinder lower end edge central stirring shaft excircle plan-position, discharge nozzle upper end with it is cold
But the material channel connection in cylinder, lower end connects with drawing mechanism；
The drawing mechanism is horizontal type structure, and drawing mechanism includes spiral conveyer structure, drawing mechanism feed pipe, discharging dress
Discharge nozzle and flange are put, wherein, drawing mechanism feed pipe is not put above drawing mechanism and opening up with vertical continuous sensing
Discharge nozzle connection below heating furnace, drawing mechanism discharge nozzle is not put below drawing mechanism and opening down with discharge valve phase
Even；Spiral conveyer structure is by the material from discharge nozzle is controllable, in the material container outside continuous conveying to production line；
The waste gas waste residue collection device includes dredging mechanism, valve, purification collection device, horizontal pipe, vertical pipe
And flange, horizontal pipe one end communicates with the exhaust scum pipe for being arranged on heating cylinder side, the other end is provided with dredging mechanism；Hang down
Straight pipeline is communicated with purification collection device, and valve is provided with vertical pipe；
The dredging mechanism will remain in spoil removing in horizontal pipe in purification collection device.
The band preheating feeding device, intermediate bunker, vertical continuous induction heating furnace, drawing mechanism are sequentially connected in series in order
Connection, connected mode is connected for flange, or other manner connection；Material enters production line from hopper, sequentially pass through band preheat into
Material device, intermediate bunker, vertical continuous induction heating furnace, drawing mechanism, discharge valve send out production line, complete continuous heat
Overall process.
The combined type boiler tube is formed by several band bottom boiler tubes with flat straight barrel-like structure are stacked, the straight tubbiness knot
Structure band bottom boiler tube bottom surface is flat-bottom structure, and the flat bottom surface with bottom boiler tube is provided with sub- boiler tube inside top adjacent with lower section
The annular seam that disc is engaged；Upper and lower subband bottom boiler tube is stacked to concentric cylinder up and down by the annular seam；Band
Bottom boiler tube is flat as dividing plate, and flat central through hole and penetrating groove, the i.e. temporarily providing room of being provided with is by neighbouring band bottom boiler tube
Constituted with central stirring shaft.Using in the flat replacement vertical continuous induction heating furnace with bottom boiler tube by straight barrel-like structure every
Plate.
One tubulose heater of concentric arrangement is set between the inner thermal insulating layer and combined type boiler tube, and inductor is to this
Tubulose heater implements sensing heating, and heater transfers heat to combined type boiler tube.
The section of the conveying pipeline with preheating feeding device, horizontal inductor and heat-insulation layer is a top closure
U-shaped structure, the central stirring shaft is bar-shaped solid agitating shaft, or tubular, hollow agitating shaft.
The present invention is made up of band preheating feeding device and vertical continuous induction heating furnace two large divisions, and production work is made as
Continuously-running duty.Wherein, band preheating feeding device is horizontal type structure, and mode of heating is sensing heating, and this is filled with pre- hot feed
The moisture content and fugitive constituent being responsible in evaporation material are put, plays a part of dried material；Vertical continuous induction heating furnace is vertical knot
Structure, mode of heating is sensing heating, and maximum operation (service) temperature is more than 2700 DEG C, and vertical continuous induction heating furnace is responsible for realizing high temperature
The high-temperature heat treatment process such as purifying, graphitization, carbonization.Heat treatment object is to include that natural graphite particles and synthetic graphite particles exist
Graininess battery graphite negative electrodes material after interior granular graphite, or shaping coating modification, or other carbon materials, non-carbon materials
Material and its mixture material.This granular graphite continuous high temperature heat-treatment production line and pyrogenic process continuous production processes are to graininess stone
Ink material is purified, and compensate for the deficiency of hydrofluoric acid wet purification, the characteristics of with high efficiency, low energy consumption, environmental protection.
This production line material enters band preheating feeding device and stands under feed system and discharge system coordinative role, sequentially
Formula continuous induction heating furnace, with uniform, controlled speed by two continuous oven burner hearths, ash and the achromachia part in material are in burner hearth
Under many factors such as temperature action, purified gases effect, Flow of Goods and Materials effect, become volatile substance simultaneously and feed separation, in height
Under gas pressure produced by temperature reaction, and enter from air inlet pipe under the cleaning gas effect of burner hearth, the volatile substance is from row
Put pipe to be discharged to outside production line, realize granular graphite and continuously purify or continuous graphitization or continuous carbonization technique.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is another structural representation of the invention（It is provided with heater）；
Fig. 3 is another structural representation of the invention（It is provided with band bottom boiler tube）；
Fig. 4 is A-A cross section structure diagrams of the invention；
Fig. 5 is another structural representation at A-A section views of the invention（It is provided with the U-shaped discharge nozzle of sealing）；
In figure：1- band preheating feeding devices, 101- reducing gears, 102- conveying pipelines, 103- hoppers, 104- filters,
105- material extrusion axles, 106- exhaust passages, the horizontal inductors of 107-, 108- heat-insulation layers；2- intermediate bunkers, 201- air inlet pipe, 202-
Reducing gear, 203- agitating shafts, 3- vertical continuous induction heating furnaces, 301- central stirring shafts, 302- temporarily providing rooms, 303- every
Plate, 304- scraper plates, 305- combined type boiler tubes, 3031--penetrating groove, the sub- boiler tubes of 3051-, 3052- band bottom boiler tubes, 306-
Feed pipe, 307- exhaust scum pipes, 308- inductors, 309- external thermal insulations, 310- inner thermal insulating layers, 311- heating cylinders, 312-
Air nozzle, 313- cooling cylinders, 314- discharge nozzles, 315- heaters, 4- drawing mechanisms, 401- spiral conveyer structures, 402- dischargings
Valve, 5- materials, 6- waste gas waste residue collection devices, 601- dredging mechanisms, 602- valves, 603- purification collection devices.
Specific embodiment
With reference to above-mentioned accompanying drawing, a kind of granular graphite continuous high temperature heat-treatment production line, including the pre- hot feed in band preheating zone
Device 1, intermediate bunker 2, vertical continuous induction heating furnace 3, drawing mechanism 4, waste gas waste residue collection device 6,
It is described band preheating feeding device 1 be horizontal type structure, including reducing gear 101, conveying pipeline 102, hopper 103, filtering
Device 104, horizontal inductor 107, heat-insulation layer 108；Wherein,
The one end of the conveying pipeline 102 is connected with intermediate bunker 2, and the other end is connected with hopper 103 and filter 104
Logical, the middle part of conveying pipeline 102 sets horizontal inductor 107 and heat-insulation layer 108, horizontal inductor 107, heat-insulation layer 108 and defeated
The section of expects pipe 102 is circular configuration, and concentric arrangement from outside to inside successively；
The material extrusion axle 105 with helical blade is provided with the conveying pipeline 102, the material extrusion axle 105 is connected with reducing gear 101
Connect, reducing gear 101 drives material extrusion axle 105 to be rotated around its center axis；The axial line of conveying pipeline 102 and material extrusion axle
105 axial line is provided with the middle of an insertion for upper and lower parallel construction, i.e. material 5 above the accumulation plane in conveying pipeline 102
Feed bin 2 is to the exhaust passage 106 of filter 104；That is one end of exhaust passage is connected with filter, the other end with it is middle
Feed bin is connected, and filter is arranged between horizontal inductor 107 and hopper 103；The correspondence in conveying pipeline 102 of material 5 is sleeping
The moisture content and fugitive constituent produced in the heating zone at the position of formula inductor 107 enter life by exhaust passage 106, filter 104
The outer specified location of producing line；Band preheating feeding device 1 is responsible for being transported to material 5 in intermediate bunker 2, and moisture content and fugitive constituent are passed through
Exhaust passage 106 and the discharge production line of filter 104；
The intermediate bunker 2 be vertical structure, intermediate bunker 2 include air inlet pipe 201, reducing gear 202, agitating shaft 203,
Adpting flange and shell；Wherein, agitating shaft 203 is for longitudinally disposed, and agitating shaft 203 is provided with dredging every, lateral arrangement between the upper and lower
Logical tooth, in the tremie pipe 306 of the heating cylinder 311 in the bottom insertion vertical continuous induction heating furnace 3 of agitating shaft 203, and
It is close to or stretches out the baseplane of tremie pipe 306, air inlet pipe 201 is arranged on the left surface of intermediate bunker 2, during reducing gear 202 is arranged on
Between the top of feed bin 2, the side of intermediate bunker 2 is connected with band preheating feeding device 1, bottom and vertical continuous induction heating furnace 3
It is connected；Reducing gear 202 in intermediate bunker 2 drives agitating shaft 203 to be rotated around its center axis or rotated pendulum
Dynamic, agitating shaft 203 carries the smooth vertical continuous induction heating furnace 3 for being transported to lower section of material 5 of preheating feeding device 1 future
In；Protective gas enters from air inlet pipe 201, and the moisture content and fugitive constituent that material 5 is produced in preheating feeding device 1 are through row
Gas passage 106, filter 104 are discharged into the outer specified location of production line；
Described vertical continuous induction heating furnace 3 is vertical structure, and vertical continuous induction heating furnace 3 includes central stirring shaft
301st, temporarily providing room 302, dividing plate 303, scraper plate 304, combined type boiler tube 305, feed pipe 306, exhaust scum pipe 307, inductor
308th, external thermal insulation 309, inner thermal insulating layer 310, heating cylinder 311, cooling cylinder 313 and discharge nozzle 314, wherein, heating cylinder
311 with cooling cylinder about 313 be stacked be connected in series；Central stirring shaft 301 extends vertically through heating cylinder 311 and cooling cylinder
313, the i.e. upper surface of central stirring shaft 301 stretch out the upper surface of heating cylinder 311, the lower surface of central stirring shaft 301 and stretch out cooling
The lower surface of cylinder 313, the periphery face of cylinder of central stirring shaft 301 is provided with scraper plate 304 between the upper and lower every, lateral arrangement, and center is stirred
Mix the neighbouring scraper plate 304 of axle 301 mutually to stagger in circumferential orientation, this example staggers 180 °, and central stirring shaft 301 is in itself
Heart axis rotates or rotary oscillation, and central stirring shaft 301 is transported to bottom by the material 5 from intermediate bunker 2 is smooth
Drawing mechanism 4 in.
The combined type boiler tube 305 is stacked and formed up and down by several sub- boiler tubes 3051 by the seam of several dividing plates 303, i.e.,
Dividing plate 303 is provided between two neighbouring sub- boiler tubes 3051, the upper and lower end face of dividing plate 303 has one to be put down by outer toroid respectively
Face and the annular seam being engaged with the inner circle of sub- boiler tube 3051 of middle circle plane composition, sub- boiler tube 3051 pass through the annulus
Shape seam is stacked to concentric cylinder up and down；
The center of the dividing plate 303 is provided with a through hole being engaged with the external diameter of central stirring shaft 301, dividing plate 303 with scrape
The corresponding middle circle plane in the rotational trajectory of plate 304 lower section be provided with can ensure that scraper plate down through penetrating groove 3031, should
Penetrating groove 3031 be used not only for with scraper plate 304 the part of central stirring shaft 301 assemble, or material 5 transmission channel；
The sub- boiler tube 3051 of the combined type boiler tube 305 constitutes one temporarily with lower clapboard 303 thereon and central stirring shaft 301
Deposit space 302；The penetrating groove 3031 of neighbouring dividing plate avoids same vertical space or same circumferential orientation, it is ensured that from above every
The material that plate flows down falls on adjacent lower clapboard, then by the scraper plate for rotating that material transferring is temporary to adjacent lower section
Space 302 is deposited, by that analogy, until material is sent to discharging opening 314；
The inductor 308, external thermal insulation 309, inner thermal insulating layer 310, combined type boiler tube 305 and central stirring shaft 301
Section is circular configuration, and concentric setting from outside to inside successively；The not still material container and for thing of combined type boiler tube 305
Expect the passage component of transmission, or heater；
The exhaust scum pipe 307 is arranged on the side of heating cylinder 311 higher than the baseplane position of feed pipe 306, exhaust row
The one end of slag pipe 307 is connected with the burner hearth of vertical continuous induction heating furnace 3, and the other end is connected with waste gas waste residue collection device 6；
The discharge nozzle 314 is arranged on cooling cylinder 313 lower end edge central stirring shaft excircle plan-position, discharge nozzle
314 upper ends connect with the material channel in cooling cylinder 313, and lower end connects with drawing mechanism 4；
The drawing mechanism 4 be horizontal type structure, drawing mechanism 4 include spiral conveyer structure 401, drawing mechanism feed pipe,
Drawing mechanism discharge nozzle and flange, wherein, drawing mechanism feed pipe is not put in the top of drawing mechanism 4 and opening up with vertical company
The discharge nozzle 314 of the continuous lower section of induction heater 3 is connected, and drawing mechanism discharge nozzle is not put below drawing mechanism 4 and opening down
It is connected with discharge valve 402；Spiral conveyer structure 401 is by the material 5 from discharge nozzle 314 is controllable, continuous conveying to production line
In outer material container；
The waste gas waste residue collection device 6 includes dredging mechanism 601, valve 602, purification collection device 603, horizontal tube
Road, vertical pipe and flange, horizontal pipe one end communicates with the exhaust scum pipe 307 for being arranged on the side of heating cylinder 311, another
End is provided with dredging mechanism 601；Vertical pipe is communicated with purification collection device 603, and valve 602 is provided with vertical pipe；
The dredging mechanism 601 will remain in spoil removing in horizontal pipe in purification collection device 603.
The band preheating feeding device 1, intermediate bunker 2, vertical continuous induction heating furnace 3, drawing mechanism 4 are in order successively
It is connected in series, connected mode is connected for flange, or other manner connection.Schematic diagram of the present invention is connected using flange；I.e. material 5 from
Hopper 103 enters production line, sequentially passes through band preheating feeding device 1, intermediate bunker 2, vertical continuous induction heating furnace 3, discharging
Device 4, discharge valve 402 send out production line, complete continuous heat overall process.
The combined type boiler tube 305 is formed by several band bottom boiler tubes 3052 with flat straight barrel-like structure are stacked, should
The straight bottom surface of barrel-like structure band bottom boiler tube 3052 is flat-bottom structure, and the flat bottom surface with bottom boiler tube 3052 is provided with and lower section phase
The annular seam that adjacent sub- boiler tube inside top disc is engaged；Upper lower band bottom boiler tube 3052 is upper and lower by the annular seam
It is stacked to concentric cylinder；Sub- boiler tube is flat as dividing plate, flat to be provided with central through hole and penetrating groove 3031, i.e. temporarily providing room
302 are made up of the neighbouring band bottom boiler tube 3052 and central stirring shaft 301 at band bottom.Using by straight barrel-like structure band bottom stove
Dividing plate 303 in the flat replacement vertical continuous induction heating furnace 3 of pipe 3052,
One tubulose heater 315 of concentric arrangement is set between the inner thermal insulating layer 310 and combined type boiler tube 305,
The tubulose heater 315 implementation sensing heating of inductor 308 pairs, heater 315 transfers heat to combined type boiler tube 305.
The section of the conveying pipeline 102, horizontal inductor 107 and heat-insulation layer 108 with preheating feeding device 1 is one
The U-shaped structure of individual top closure；The central stirring shaft 301 is bar-shaped solid agitating shaft, or tubular, hollow agitating shaft.
Operation principle of the invention：Material 5 enters production line from hopper 103, in band preheating feeding device 1, drawing mechanism 4
Under coordinative role, sequentially into band preheating feeding device 1 and vertical continuous induction heating furnace 3, and passed through with uniform, controlled speed
Two continuous oven burner hearths, ash and the achromachia part in material are under many factors such as fire box temperature effect and Flow of Goods and Materials effect
Separated with material 5, air pressure that the fugitive constituent and ash after separation are produced with pyroreaction and added from 312,201 air inlet pipe
The windstream that gas is formed is cleaned, is discharged to outside production line, realize continuous purification or continuous graphitization or continuous carbonization
Technique.
Wherein, material 5 is produced in preheating feeding device 1 moisture content and fugitive constituent are through exhaust passage 106, filter
Outside 104 discharge production lines；Fugitive constituent that material is produced in vertical continuous induction heating furnace 3 and ash through be vented scum pipe 307,
Outside the discharge production line of waste gas collection device 6.
During production, by operation order, material is first full of two heating furnaces by technological requirement, to burner hearth feeding protection gas
Body, after confirming the oxygen discharge production line in burner hearth and conveying passage, sends into cooling water, then to vertical continuous sense to production line
The power transmission of heating furnace 3 is answered, when vertical furnace temperature is close to technological temperature, then to the power transmission of band preheating feeding device 1, two stoves reach work
Drawing mechanism 4 and band preheating feeding device 1 are opened after skill temperature, in the discharging starting stage, by the material from drawing mechanism 4 out
Return in the hopper 103 with preheating feeding device 1, be again introduced into band preheating feeding device 1 and vertical continuous induction heating furnace 3
It is heat-treated, after material of the chemical examination confirmation from drawing mechanism 4 out reaches technic index, qualified products could be collected,
The adjustment of the major parameters such as discharging speed, gas supply flow, operating temperature must be all defined by material result of laboratory test, be adjusted by parameter
It is whole, after confirming that material laboratory indexes are qualified, correct parameter production and collection material could be pressed.
The present invention is made up of band preheating feeding device and vertical continuous induction heating furnace two large divisions, and production work is made as
Continuously-running duty.Wherein, band preheating feeding device is horizontal type structure, and mode of heating is sensing heating, and this is filled with pre- hot feed
The moisture content and fugitive constituent being responsible in evaporation material are put, plays a part of dried material；Vertical continuous induction heating furnace is vertical knot
Structure, mode of heating is sensing heating, and maximum operation (service) temperature is more than 2700 DEG C, and vertical continuous induction heating furnace is responsible for realizing high temperature
The high-temperature heat treatment process such as purifying, graphitization, carbonization.Heat treatment object is to include that natural graphite particles and synthetic graphite particles exist
Graininess battery graphite negative electrodes material after interior granular graphite, or shaping coating modification, or other carbon materials, non-carbon materials
Material and its mixture material.This granular graphite continuous high temperature heat-treatment production line and pyrogenic process continuous production processes are to graininess stone
Ink material is purified, and compensate for the deficiency of hydrofluoric acid wet purification, the characteristics of with high efficiency, low energy consumption, environmental protection.
This production line material enters band preheating feeding device and stands under feed system and discharge system coordinative role, sequentially
Formula continuous induction heating furnace, with uniform, controlled speed by two continuous oven burner hearths, ash and the achromachia part in material are in burner hearth
Under many factors such as temperature action, purified gases effect, Flow of Goods and Materials effect, become volatile substance simultaneously and feed separation, in height
Under gas pressure produced by temperature reaction, and enter from air inlet pipe under the cleaning gas effect of burner hearth, the volatile substance is from row
Put pipe to be discharged to outside production line, realize granular graphite and continuously purify or continuous graphitization or continuous carbonization technique.
Claims (5)
1. a kind of granular graphite continuous high temperature heat-treatment production line, including band preheating feeding device（1）, intermediate bunker（2）, it is vertical
Formula continuous induction heating furnace（3）, drawing mechanism（4）, waste gas waste residue collection device（6）, it is characterised in that：
A, the band preheating feeding device（1）It is horizontal type structure, including reducing gear（101）, conveying pipeline（102）, hopper
（103）, filter（104）, horizontal inductor（107）, heat-insulation layer（108）；Wherein,
The conveying pipeline（102）One end and intermediate bunker（2）It is connected, the other end and hopper（103）And filter（104）Phase
Connection, conveying pipeline（102）Middle part sets horizontal inductor（107）And heat-insulation layer（108）, horizontal inductor（107）, insulation
Layer（108）And conveying pipeline（102）Section is circular configuration, and concentric arrangement from outside to inside successively；
The conveying pipeline（102）Inside it is provided with the material extrusion axle with helical blade（105）, the material extrusion axle（105）With reducing gear（101）
It is connected, reducing gear（101）Drive material extrusion axle（105）Rotated around its center axis；Conveying pipeline（102）Axle center
Line and material extrusion axle（105）Axial line be upper and lower parallel construction, i.e. material（5）In conveying pipeline（102）In accumulation plane top
It is provided with an insertion intermediate bunker（2）To filter（104）Exhaust passage（106）, i.e. exhaust passage（106）One end with
Filter（104）It is connected, the other end and intermediate bunker（2）It is connected, filter（104）It is arranged on horizontal inductor
（107）With hopper（103）Between；
B, the intermediate bunker（2）It is vertical structure, intermediate bunker（2）Including air inlet pipe（201）, reducing gear（202）, stirring
Axle（203）, adpting flange and shell；Wherein, agitating shaft（203）It is longitudinally disposed, agitating shaft（203）Be provided between the upper and lower every,
The dredging tooth of lateral arrangement, agitating shaft（203）Bottom insertion vertical continuous induction heating furnace（3）In heating cylinder
（311）Tremie pipe（306）In, and be close to or stretch out tremie pipe（306）Baseplane, air inlet pipe（201）It is arranged on intermediate bunker
（2）On left side, reducing gear（202）It is arranged on intermediate bunker（2）Top, the intermediate bunker（2）Side fills with pre- hot feed
Put（1）It is connected, bottom and vertical continuous induction heating furnace（3）It is connected；
C, the vertical continuous induction heating furnace（3）It is vertical structure, vertical continuous induction heating furnace（3）Including central stirring shaft
（301）, temporarily providing room（302）, dividing plate（303）, scraper plate（304）, combined type boiler tube（305）, feed pipe（306）, exhaust deslagging
Pipe（307）, inductor（308）, external thermal insulation（309）, inner thermal insulating layer（310）, heating cylinder（311）, cooling cylinder（313）With
Discharge nozzle（314）, wherein, heating cylinder（311）With cooling cylinder（313）It is stacked up and down and is connected in series；Central stirring shaft（301）
Extend vertically through heating cylinder（311）With cooling cylinder（313）, i.e. central stirring shaft（301）Hot cylinder is stretched out in upper surface（311）'s
Upper surface, central stirring shaft（301）Cooling cylinder is stretched out in lower surface（313）Lower surface, central stirring shaft（301）Periphery cylinder
Face is provided with scraper plate between the upper and lower every, lateral arrangement（304）, central stirring shaft（301）Neighbouring scraper plate（304）In circumferential orientation
Mutually stagger；
The combined type boiler tube（305）By several sub- boiler tubes（3051）By several dividing plates（303）Seam up and down be stacked form,
I.e. two neighbouring sub- boiler tubes（3051）Between be provided with dividing plate（303）, the dividing plate（303）Upper and lower end face have respectively one by
Cylindrical plane of a loop and middle circle plane composition with sub- boiler tube（3051）The annular seam that inner circle is engaged, sub- boiler tube
（3051）Concentric cylinder is stacked to by the annular seam up and down；
The dividing plate（303）Center is provided with one and central stirring shaft（301）The through hole that external diameter is engaged, dividing plate（303）With
Scraper plate（304）The corresponding middle circle plane in rotational trajectory lower section be provided with can ensure that scraper plate down through penetrating groove
（3031）；
The combined type boiler tube（305）Sub- boiler tube（3051）With lower clapboard thereon（303）And central stirring shaft（301）Composition one
Individual temporarily providing room（302）；
The inductor（308）, external thermal insulation（309）, inner thermal insulating layer（310）, combined type boiler tube（305）And central stirring shaft
（301）Section be circular configuration, and concentric setting from outside to inside successively；
The exhaust scum pipe（307）It is arranged on heating cylinder（311）Side is higher than feed pipe（306）Baseplane position, exhaust
Scum pipe（307）One end and vertical continuous induction heating furnace（3）Burner hearth connection, the other end and waste gas waste residue collection device（6）
Connection；
The discharge nozzle（314）It is arranged on cooling cylinder（313）Lower end edge central stirring shaft excircle plan-position, discharge nozzle
（314）Upper end and cooling cylinder（313）Interior material channel connection, lower end and drawing mechanism（4）Connection；
D, the drawing mechanism（4）It is horizontal type structure, drawing mechanism（4）Including spiral conveyer structure（401）, discharge valve
（402）, drawing mechanism feed pipe, drawing mechanism discharge nozzle and flange, wherein, drawing mechanism feed pipe is not put in drawing mechanism
（4）Top and opening up and vertical continuous induction heating furnace（3）The discharge nozzle of lower section（314）Connection, drawing mechanism discharge nozzle
Do not put in drawing mechanism（4）Lower section and opening down and discharge valve（402）It is connected；
E, the waste gas waste residue collection device（6）Including dredging mechanism（601）, valve（602）, purification collection device（603）, water
Flat pipeline, vertical pipe and flange, horizontal pipe one end be arranged on heating cylinder（311）The exhaust scum pipe of side（307）
Communicate, the horizontal pipe other end is provided with dredging mechanism（601）；Vertical pipe and purification collection device（603）Communicate, vertical pipe
In be provided with valve（602）；
F, the band preheating feeding device（1）, intermediate bunker（2）, vertical continuous induction heating furnace（3）, drawing mechanism（4）By suitable
Sequence is sequentially connected in series, and connected mode is connected for flange.
2. a kind of granular graphite continuous high temperature heat-treatment production line as claimed in claim 1, it is characterised in that the combination
Formula boiler tube（305）By several band bottom boiler tubes with flat straight barrel-like structure（3052）It is stacked to form, the straight barrel-like structure band
Bottom boiler tube（3052）Bottom surface is flat-bottom structure, band bottom boiler tube（3052）Flat bottom surface be provided with sub- boiler tube adjacent with lower section
The annular seam that inside top disc is engaged；Upper lower band bottom boiler tube（3052）It is stacked to up and down by the annular seam
Concentric cylinder；Sub- boiler tube is flat as dividing plate, flat to be provided with central through hole and penetrating groove（3031）, i.e. temporarily providing room（302）
By neighbouring band bottom boiler tube（3052）And central stirring shaft（301）Composition.
3. a kind of granular graphite continuous high temperature heat-treatment production line as described in claim 1 or claim 2, its feature exists
In the inner thermal insulating layer（310）With combined type boiler tube（305）Between set a concentric tubulose heater（315）, sensing
Device (308) is to the tubulose heater（315）Implement sensing heating；Heater（315）Transfer heat to combined type boiler tube
（305）.
4. a kind of granular graphite continuous high temperature heat-treatment production line as claimed in claim 1, it is characterised in that band preheating zone
Preheating feeding device（1）In conveying pipeline（102）, horizontal inductor（107）And heat-insulation layer（108）Section be a top
The U-shaped structure of sealing.
5. a kind of granular graphite continuous high temperature heat-treatment production line as claimed in claim 1, it is characterised in that the center
Agitating shaft（301）It is bar-shaped solid agitating shaft, or tubular, hollow agitating shaft.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033445B (en) * | 2018-01-09 | 2023-09-05 | 湖州凯金新能源科技有限公司 | Forming system of graphite negative electrode |
| CN108101046B (en) * | 2018-01-09 | 2023-09-05 | 湖州凯金新能源科技有限公司 | Graphite negative electrode production line for lithium battery |
| CN108711607A (en) * | 2018-05-25 | 2018-10-26 | 郑州创客科技有限公司 | A kind of efficient new energy lithium battery material preparation facilities |
| CN112503938A (en) * | 2020-12-03 | 2021-03-16 | 长沙修恒信息科技有限公司 | Graphite purification system based on double-layer heat pipe |
| CN112521961A (en) * | 2020-12-03 | 2021-03-19 | 长沙修恒信息科技有限公司 | Full-automatic graphite carbonization purification control system |
| CN112728941B (en) * | 2021-01-05 | 2023-01-03 | 长沙有色冶金设计研究院有限公司 | Battery material calcination purification system |
| CN116481327A (en) * | 2022-08-24 | 2023-07-25 | 石门楚晶新材料有限责任公司 | Multifunctional production device for graphite |
| CN115744898B (en) * | 2022-11-18 | 2024-03-22 | 安徽省煤田地质局勘查研究院 | Graphite separation and purification device and purification method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797647A (en) * | 2010-03-10 | 2010-08-11 | 株洲弗拉德科技有限公司 | Vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace |
| CN101817523A (en) * | 2009-03-19 | 2010-09-01 | 株洲弗拉德科技有限公司 | Graphite purification and graphitizable high temperature vertical continuous induction heating furnace |
| CN101912974A (en) * | 2010-08-27 | 2010-12-15 | 株洲弗拉德科技有限公司 | Vertical superhigh-temperature continuous balling furnace |
| CN205367734U (en) * | 2015-12-30 | 2016-07-06 | 株洲弗拉德科技有限公司 | Continuous high temperature heat treatment production line of graininess graphite |
-
2015
- 2015-12-30 CN CN201511011666.8A patent/CN105460928B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817523A (en) * | 2009-03-19 | 2010-09-01 | 株洲弗拉德科技有限公司 | Graphite purification and graphitizable high temperature vertical continuous induction heating furnace |
| CN101797647A (en) * | 2010-03-10 | 2010-08-11 | 株洲弗拉德科技有限公司 | Vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace |
| CN101912974A (en) * | 2010-08-27 | 2010-12-15 | 株洲弗拉德科技有限公司 | Vertical superhigh-temperature continuous balling furnace |
| CN205367734U (en) * | 2015-12-30 | 2016-07-06 | 株洲弗拉德科技有限公司 | Continuous high temperature heat treatment production line of graininess graphite |
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