CN205367734U - Continuous high temperature heat treatment production line of graininess graphite - Google Patents
Continuous high temperature heat treatment production line of graininess graphite Download PDFInfo
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- CN205367734U CN205367734U CN201521120252.4U CN201521120252U CN205367734U CN 205367734 U CN205367734 U CN 205367734U CN 201521120252 U CN201521120252 U CN 201521120252U CN 205367734 U CN205367734 U CN 205367734U
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Abstract
The utility model relates to a continuous high temperature heat treatment production line of graininess graphite, preheat feed arrangement, intermediate bunker, vertical continuous induction heating furnace, discharging device and waste gas waste residue collection device including the area, moisture content and fugitive constituent in the feed arrangement evaporation material are preheated to this area, play the effect of dry material, vertical continuous induction heating furnace's heating methods is induction heating, and high temperature heat treatment technologies such as high temperature purification, graphitization, carbonization are realized to this production line, the thermal treatment object is the graininess graphite including natural graphite granule and artificial graphite granule, or the graininess battery graphite class anode material behind the plastic coating modification, or other material with carbon elements and non - material with carbon element. This continuous high temperature heat treatment production line of graininess graphite and fire method continuous production technology purify to graininess graphite material, have compensatied the not enough of hydrofluoric acid wet purification, have high efficiency, low energy consumption, green's characteristics.
Description
Technical field
This utility model relates to a kind of granular graphite continuous high temperature heat-treatment production line, particularly a kind of a kind of granular graphite continuous high temperature heat-treatment production line that can realize the continuous purifying technique of graininess native graphite, and can realize the granular graphite class material including lithium ion battery material negative pole is carried out the granular graphite continuous high temperature heat-treatment production line of continuous graphitization, continuous carbonization technique.
Background technology
Native graphite is one of Dominant Mineral Resources of China, realize the deep processing application of native graphite, graininess native graphite raw ore flotation material must be carried out purification processes, current native graphite purifying technique is Fluohydric acid. wet processing mostly, there is complex process, environmental pollution is serious, the response rate is low, the wasting of resources is bigger shortcoming.
Summary of the invention
The purpose of this utility model is in that to overcome above-mentioned wet processing defect, thering is provided a kind of adopts thermal process to purify a kind of granular graphite continuous high temperature heat-treatment production line including graininess native graphite, and can realize the granular graphite class material including lithium ion battery material negative pole is carried out the granular graphite continuous high temperature heat-treatment production line of continuous graphitization, continuous carbonization technique.
The technical solution of the utility model: 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, waste gas waste residue collection device, described band preheating feeding device is horizontal type structure, including reducing gear, conveying pipeline, hopper, defecator, horizontal induction apparatus, heat-insulation layer；Wherein, described conveying pipeline one end is connected with intermediate bunker, and the other end is connected with hopper and defecator, and conveying pipeline middle part arranges horizontal induction apparatus and heat-insulation layer, horizontal induction apparatus, heat-insulation layer and conveying pipeline section are circular configuration, and concentric is arranged from outside to inside successively；Being provided with the material extrusion axle of helical blade in described conveying pipeline, this material extrusion axle is connected with reducing gear, and reducing gear drives material extrusion axle to rotate around its center axis；The axial line of the axial line of conveying pipeline and material extrusion axle is upper and lower parallel construction, and namely material accumulation plane in conveying pipeline is arranged over the through intermediate bunker exhaust passage to defecator；Namely one end of exhaust passage is connected with defecator, and the other end is connected with intermediate bunker, and defecator is arranged between horizontal induction apparatus and hopper；Moisture content and fugitive constituent that material produces in the thermal treatment zone at corresponding induction apparatus position in conveying pipeline are entered by exhaust passage, defecator and specify position outside production line；Band preheating feeding device is responsible for transporting material in intermediate bunker, and through exhaust passage and defecator, moisture content and fugitive constituent are discharged production line；
Described intermediate bunker is vertical structure, and intermediate bunker includes air inlet pipe, reducing gear, shaft, adpting flange and shell；Wherein, shaft is longitudinally disposed, shaft is provided with between the upper and lower every the dredging tooth of, lateral arrangement, the bottom of shaft is inserted in the tremie pipe of the heating cylinder in vertical continuous induction heating furnace, and near or stretch out tremie pipe baseplane, air inlet pipe is arranged on on the left of intermediate bunker, and reducing gear is arranged on above intermediate bunker, this intermediate bunker side is connected with band preheating feeding device, and bottom is connected with vertical continuous induction heating furnace；Reducing gear in intermediate bunker drives shaft to rotate or rotary oscillation around its center axis, and shaft carries in the smooth and easy vertical continuous induction heating furnace being transported to lower section of material of preheating feeding device in the future；Protective gas enters from air inlet pipe, and the moisture content and the fugitive constituents that produce material in preheating feeding device are discharged into outside production line specify position through exhaust passage, defecator；
Described vertical continuous induction heating furnace is vertical structure, vertical continuous induction heating furnace includes central stirring shaft, temporarily providing room, dividing plate, scraper plate, combination type boiler tube, feed pipe, aerofluxus scum pipe, induction apparatus, external thermal insulation, inner thermal insulating layer, heating cylinder, cooling cylinder and discharge nozzle, wherein, cylinder is stacked up and down is connected in series for heating cylinder and cooling；Central stirring shaft extends vertically through heating cylinder and cooling cylinder, namely the upper surface of heating cylinder is stretched out in central stirring shaft upper surface, the lower surface cooling down cylinder is stretched out in central stirring shaft lower surface, the face of cylinder, central stirring shaft periphery is provided with between the upper and lower every the scraper plate of, lateral arrangement, the neighbouring scraper plate of central stirring shaft staggers mutually at circumferential orientation, this example staggers 180 °, central stirring shaft rotates or rotary oscillation around its center axis, and central stirring shaft is by the smooth and easy drawing mechanism being transported to bottom of material of intermediate bunker；
Described combination type boiler tube is formed by the seam of several dividing plates is stacked up and down by several sub-boiler tubes, namely it is provided with dividing plate between two neighbouring sub-boiler tubes, the annular seam matched with sub-boiler tube inner circle that this dividing plate upper and lower end face is made up of outer toroid plane and middle circle plane by one respectively, sub-boiler tube is stacked to concentric cylinder up and down by this annular seam；
Described dividing plate center is provided with a through hole matched with central stirring shaft external diameter, dividing plate be provided with in the middle circle plane corresponding with below scraper plate rotational trajectory can ensure that scraper plate down through penetrating groove, this penetrating groove is used not only for wearing the central stirring shaft parts assembling of scraper plate or the transmission channel of material；
The sub-boiler tube of described combination type boiler tube forms a temporarily providing room with its upper lower clapboard and central stirring shaft；The penetrating groove of neighbouring dividing plate avoids same vertical space or same circumferential orientation, guarantee that the material flow down from uppermost partition drops on adjacent lower clapboard, again by the scraper plate rotated by material transferring to adjacent lower section temporarily providing room, by that analogy, until material is sent to discharging opening；
The section of described induction apparatus, external thermal insulation, inner thermal insulating layer, combination type boiler tube and central stirring shaft is circular configuration, and concentric is arranged from outside to inside successively；Combination type boiler tube not still material container and for the passage component of material transferring, or heater；
Described aerofluxus scum pipe is arranged on heating cylinder side higher than position, feed pipe baseplane, and aerofluxus scum pipe one end connects with the burner hearth of vertical continuous induction heating furnace, and the other end connects with waste gas waste residue collection device；
Described discharge nozzle is arranged on cooling cylinder lower end edge central stirring shaft excircle plan-position, and discharge nozzle upper end connects with the material channel in cooling cylinder body, and lower end connects with drawing mechanism；
Described drawing mechanism is horizontal type structure, drawing mechanism includes spiral conveyer structure, drawing mechanism feed pipe, drawing mechanism discharge nozzle and flange, wherein, drawing mechanism feed pipe is not put above drawing mechanism and opening up and below vertical continuous induction heating furnace discharge nozzle connects, and drawing mechanism discharge nozzle is not put below drawing mechanism and opening down is connected with discharge valve；Spiral conveyer structure by controlled for the material from discharge nozzle, be delivered in the material container outside production line continuously；
Described waste gas waste residue collection device includes dredging mechanism, valve, purification collection device, horizontal pipe, vertical pipe and flange, and horizontal pipe one end communicates with the aerofluxus scum pipe being arranged on heating cylinder side, the other end is provided with dredging mechanism；Vertical pipe communicates with purifying collection device, is provided with valve in vertical pipe；
Described dredging mechanism by the spoil removing that remains in horizontal pipe to purifying in collection device.
Described band preheating feeding device, intermediate bunker, vertical continuous induction heating furnace, drawing mechanism are sequentially connected in series in order, and connected mode is Flange joint, or alternate manner connects；Material enters production line from hopper, sequentially passes through band preheating feeding device, intermediate bunker, vertical continuous induction heating furnace, drawing mechanism, discharge valve send production line, complete continuous heat overall process.
Described combination type boiler tube is formed by several band bottom boiler tubes with flat straight barrel-like structure are stacked, this straight barrel-like structure band bottom boiler tube bottom surface is flat-bottom structure, and the flat bottom surface with bottom boiler tube is provided with the annular seam that sub-boiler tube inside top disc adjacent with lower section matches；Boiler tube at the bottom of upper and lower subband is stacked to concentric cylinder up and down by this annular seam；The flat dividing plate that doubles as of band bottom boiler tube, flat is provided with central through hole and penetrating groove, and namely temporarily providing room is made up of neighbouring band bottom boiler tube and central stirring shaft.Adopt by straight barrel-like structure with the dividing plate in the flat replacement vertical continuous induction heating furnace of bottom boiler tube.
Arranging the tubulose heater that a concentric is arranged between described inner thermal insulating layer and combination type boiler tube, this tubulose heater is implemented sensing heating by induction apparatus, and heater transfers heat to combination type boiler tube.
The described section with the conveying pipeline in preheating feeding device, horizontal induction apparatus and heat-insulation layer is the U-shaped structure of a top closure, and described central stirring shaft is bar-shaped solid shaft, or tubular, hollow shaft.
This utility model 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 responsible for the moisture content in evaporation material and fugitive constituent with preheating feeding device, plays the effect of dried material；Vertical continuous induction heating furnace is vertical structure, and 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 the high-temperature heat treatment process such as high temperature purification, graphitization, carbonization.Heat treatment object is the granular graphite including natural graphite particles and synthetic graphite particles, or the graininess battery graphite negative electrodes material after shaping coating modification, or other material with carbon element, non-carbon material and mixture material thereof.Granular graphite material is purified by this granular graphite continuous high temperature heat-treatment production line and pyrogenic process continuous production processes, compensate for the deficiency of Fluohydric acid. wet purification, has the feature of high efficiency, low energy consumption, environmental protection.
This production line material is under feed system and discharge system coordinative role, order enters band preheating feeding device and vertical continuous induction heating furnace, with uniformly, controlled speed passes through two continuous oven burner hearths, ash in material and achromachia part are in fire box temperature effect, purified gases effect, under the many factors such as Flow of Goods and Materials effect, become volatile substance and and feed separation, under gas pressure produced by pyroreaction, and enter the cleaning gas effect of burner hearth from air inlet pipe, this volatile substance is discharged to production line from delivery pipe, achieve granular graphite to purify continuously, or continuous graphitization, or continuous carbonization technique.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is another kind of structural representation (being provided with heater) of the present utility model；
Fig. 3 is another kind of structural representation (being provided with bottom boiler tube) of the present utility model；
Fig. 4 is A-A sectional structure schematic diagram of the present utility model；
Fig. 5 is A-A section view place of the present utility model another kind structural representation (being provided with the U-shaped discharge nozzle of sealing)；
In figure: 1-band preheating feeding device, 101-reducing gear, 102-conveying pipeline, 103-hopper, 104-defecator, 105-material extrusion axle, 106-exhaust passage, the horizontal induction apparatus of 107-, 108-heat-insulation layer；null2-intermediate bunker，201-air inlet pipe，202-reducing gear，203-shaft，3-vertical continuous induction heating furnace，301-central stirring shaft，302-temporarily providing room，303-dividing plate，304-scraper plate，305-combination type boiler tube，The penetrating groove of 3031-，The sub-boiler tube of 3051-，3052-band bottom boiler tube，306-feed pipe，307-aerofluxus scum pipe，308-induction apparatus，309-external thermal insulation，310-inner thermal insulating layer，311-heating cylinder，312-air nozzle，313-cools down cylinder，314-discharge nozzle，315-heater，4-drawing mechanism，401-spiral conveyer structure，402-discharge valve，5-material，6-waste gas waste residue collection device，601-dredging mechanism，602-valve，603-purifies collection device.
Detailed description of the invention
With reference to above-mentioned accompanying drawing, a kind of granular graphite continuous high temperature heat-treatment production line, including band preheating zone preheating feeding device 1, intermediate bunker 2, vertical continuous induction heating furnace 3, drawing mechanism 4, waste gas waste residue collection device 6,
Described band preheating feeding device 1 is horizontal type structure, including reducing gear 101, conveying pipeline 102, hopper 103, defecator 104, horizontal induction apparatus 107, heat-insulation layer 108；Wherein,
Described conveying pipeline 102 one end is connected with intermediate bunker 2, the other end is connected with hopper 103 and defecator 104, conveying pipeline 102 middle part arranges horizontal induction apparatus 107 and heat-insulation layer 108, horizontal induction apparatus 107, heat-insulation layer 108 and conveying pipeline 102 section are circular configuration, and concentric is arranged from outside to inside successively；
Being provided with the material extrusion axle 105 of helical blade in described conveying pipeline 102, this material extrusion axle 105 is connected with reducing gear 101, and reducing gear 101 drives material extrusion axle 105 to rotate around its center axis；The axial line of the axial line of conveying pipeline 102 and material extrusion axle 105 is upper and lower parallel construction, and namely the material 5 accumulation plane in conveying pipeline 102 is arranged over the exhaust passage 106 of through intermediate bunker 2 a to defecator 104；Namely one end of exhaust passage is connected with defecator, and the other end is connected with intermediate bunker, and defecator is arranged between horizontal induction apparatus 107 and hopper 103；Moisture content and fugitive constituent that material 5 produces in the thermal treatment zone at corresponding horizontal induction apparatus 107 position in conveying pipeline 102 are entered specified position outside production line by exhaust passage 106, defecators 104；Band preheating feeding device 1 is responsible for being transported in intermediate bunker 2 material 5, and through exhaust passage 106 and defecator 104, moisture content and fugitive constituent are discharged production line；
Described intermediate bunker 2 is vertical structure, and intermediate bunker 2 includes air inlet pipe 201, reducing gear 202, shaft 203, adpting flange and shell；Wherein, shaft 203 is longitudinally disposed, shaft 203 is provided with between the upper and lower every the dredging tooth of, lateral arrangement, the bottom of shaft 203 is inserted in the tremie pipe 306 of the heating cylinder 311 in vertical continuous induction heating furnace 3, and near or stretch out tremie pipe 306 baseplane, air inlet pipe 201 is arranged on intermediate bunker 2 left surface, and reducing gear 202 is arranged on above intermediate bunker 2, this intermediate bunker 2 side is connected with band preheating feeding device 1, and bottom is connected with vertical continuous induction heating furnace 3；Reducing gear 202 in intermediate bunker 2 drives shaft 203 to rotate or rotary oscillation around its center axis, and shaft 203 carries in the smooth and easy vertical continuous induction heating furnace 3 being transported to lower section of material 5 of preheating feeding device 1 in the future；Protective gas enters from air inlet pipe 201, and the moisture content and the fugitive constituents that produce material 5 in preheating feeding device 1 are discharged into outside production line specify position through exhaust passage 106, defecator 104；
Described vertical continuous induction heating furnace 3 is vertical structure, vertical continuous induction heating furnace 3 includes central stirring shaft 301, temporarily providing room 302, dividing plate 303, scraper plate 304, combination type boiler tube 305, feed pipe 306, aerofluxus scum pipe 307, induction apparatus 308, external thermal insulation 309, inner thermal insulating layer 310, heating cylinder 311, cooling cylinder 313 and discharge nozzle 314, wherein, cylinder about 313 is stacked is connected in series for heating cylinder 311 and cooling；Central stirring shaft 301 extends vertically through heating cylinder 311 and cooling cylinder 313, namely the upper surface of heating cylinder 311 is stretched out in central stirring shaft 301 upper surface, the lower surface of cooling cylinder 313 is stretched out in central stirring shaft 301 lower surface, the face of cylinder, central stirring shaft 301 periphery be provided with between the upper and lower every, the scraper plate 304 of lateral arrangement, the neighbouring scraper plate 304 of central stirring shaft 301 staggers mutually at circumferential orientation, this example staggers 180 °, central stirring shaft 301 rotates or rotary oscillation around its center axis, central stirring shaft 301 is by the smooth and easy drawing mechanism 4 being transported to bottom of material 5 of intermediate bunker 2.
Described combination type boiler tube 305 is formed by the seam of several dividing plates 303 is stacked up and down by several sub-boiler tubes 3051, namely it is provided with dividing plate 303 between two neighbouring sub-boiler tubes 3051, the annular seam matched with sub-boiler tube 3051 inner circle that this dividing plate 303 upper and lower end face is made up of outer toroid plane and middle circle plane by one respectively, sub-boiler tube 3051 is stacked to concentric cylinder up and down by this annular seam；
Described dividing plate 303 center is provided with a through hole matched with central stirring shaft 301 external diameter, dividing plate 303 be provided with in the middle circle plane corresponding with below scraper plate 304 rotational trajectory can ensure that scraper plate down through penetrating groove 3031, this penetrating groove 3031 is used not only for wearing the central stirring shaft 301 parts assembling of scraper plate 304 or the transmission channel of material 5；
The sub-boiler tube 3051 of described combination type boiler tube 305 with its on lower clapboard 303 and central stirring shaft 301 form a temporarily providing room 302；The penetrating groove 3031 of neighbouring dividing plate avoids same vertical space or same circumferential orientation, guarantee that the material flow down from uppermost partition drops on adjacent lower clapboard, again by the scraper plate rotated by material transferring to adjacent lower section temporarily providing room 302, by that analogy, until material is sent to discharging opening 314；
The section of described induction apparatus 308, external thermal insulation 309, inner thermal insulating layer 310, combination type boiler tube 305 and central stirring shaft 301 is circular configuration, and concentric is arranged from outside to inside successively；Combination type boiler tube 305 not still material container and for the passage component of material transferring, or heater；
Described aerofluxus scum pipe 307 is arranged on heating cylinder 311 side higher than position, feed pipe 306 baseplane, and aerofluxus scum pipe 307 one end connects with the burner hearth of vertical continuous induction heating furnace 3, and the other end connects with waste gas waste residue collection device 6；
Described discharge nozzle 314 is arranged on cooling cylinder 313 lower end edge central stirring shaft excircle plan-position, and discharge nozzle 314 upper end connects with the material channel in cooling cylinder 313, and lower end connects with drawing mechanism 4；
Described drawing mechanism 4 is horizontal type structure, drawing mechanism 4 includes spiral conveyer structure 401, drawing mechanism feed pipe, drawing mechanism discharge nozzle and flange, wherein, drawing mechanism feed pipe is not put above drawing mechanism 4 and opening up and below vertical continuous induction heating furnace 3 discharge nozzle 314 connects, and drawing mechanism discharge nozzle is not put below drawing mechanism 4 and opening down is connected with discharge valve 402；Spiral conveyer structure 401 by controlled for the material 5 from discharge nozzle 314, be delivered in the material container outside production line continuously；
Described waste gas waste residue collection device 6 includes dredging mechanism 601, valve 602, purifies collection device 603, horizontal pipe, vertical pipe and flange, and horizontal pipe one end communicates with the aerofluxus scum pipe 307 being arranged on heating cylinder 311 side, the other end is provided with dredging mechanism 601；Vertical pipe communicates with purifying collection device 603, is provided with valve 602 in vertical pipe；
Described dredging mechanism 601 by the spoil removing that remains in horizontal pipe to purifying in collection device 603.
Described band preheating feeding device 1, intermediate bunker 2, vertical continuous induction heating furnace 3, drawing mechanism 4 are sequentially connected in series in order, and connected mode is Flange joint, or alternate manner connects.This utility model schematic diagram adopts Flange joint；Namely material 5 enters production line from hopper 103, sequentially passes through band preheating feeding device 1, intermediate bunker 2, vertical continuous induction heating furnace 3, drawing mechanism 4, discharge valve 402 send production line, complete continuous heat overall process.
Described combination type boiler tube 305 is formed by several band bottom boiler tubes 3052 with flat straight barrel-like structure are stacked, this straight barrel-like structure band bottom boiler tube 3052 bottom surface is flat-bottom structure, and the flat bottom surface with bottom boiler tube 3052 is provided with the annular seam that sub-boiler tube inside top disc adjacent with lower section matches；Band bottom boiler tube 3052 is stacked to concentric cylinder up and down by this annular seam up and down；The flat dividing plate that doubles as of sub-boiler tube, flat is provided with central through hole and penetrating groove 3031, and namely temporarily providing room 302 is made up of the neighbouring band bottom boiler tube 3052 end of with and central stirring shaft 301.Adopt by straight barrel-like structure with the dividing plate 303 in the flat replacement vertical continuous induction heating furnace 3 of bottom boiler tube 3052,
Arranging the tubulose heater 315 that a concentric is arranged between described inner thermal insulating layer 310 and combination type boiler tube 305, this tubulose heater 315 is implemented sensing heating by induction apparatus 308, and heater 315 transfers heat to combination type boiler tube 305.
The described section with the conveying pipeline 102 in preheating feeding device 1, horizontal induction apparatus 107 and heat-insulation layer 108 is the U-shaped structure of a top closure；Described central stirring shaft 301 is bar-shaped solid shaft, or tubular, hollow shaft.
Operation principle of the present utility model: material 5 enters production line from hopper 103, at band preheating feeding device 1, under drawing mechanism 4 coordinative role, order enters band preheating feeding device 1 and vertical continuous induction heating furnace 3, and with uniformly, controlled speed passes through two continuous oven burner hearths, ash in material and achromachia part are in fire box temperature effect, separate with material 5 with under the many factors such as Flow of Goods and Materials effect, air pressure that fugitive constituent after separation and ash produce with pyroreaction and from 312, what 201 air inlet pipe added cleans the windstream that gas is formed, it is discharged to outside production line, achieve continuous purification, or continuous graphitization, or continuous carbonization technique.
Wherein, material 5 produces in preheating feeding device 1 moisture content and fugitive constituent are discharged outside production line through exhaust passage 106, defecator 104；Fugitive constituent and ash that material produces in vertical continuous induction heating furnace 3 are discharged outside production line through aerofluxus scum pipe 307, waste gas collection device 6.
nullDuring production，By operation order，First material is full of two heating furnaces by technological requirement，Protective gas is sent into burner hearth，After confirming that the oxygen in burner hearth and conveying passage discharges production line，Cooling water is sent into production line，Then to vertical continuous induction heating furnace 3 power transmission，When vertical heater temperature is close to technological temperature，Again to band preheating feeding device 1 power transmission，Two stoves open drawing mechanism 4 and band preheating feeding device 1 after all reaching technological temperature，In the discharging starting stage，By in the hopper 103 that returns from drawing mechanism 4 material out with preheating feeding device 1，It is again introduced in band preheating feeding device 1 and vertical continuous induction heating furnace 3 and carries out heat treatment，After chemically examining and confirming to reach technic index from drawing mechanism 4 material out，Qualified products could be collected，Discharging speed、Gas supply flow、The adjustment of the major parameters such as operating temperature all must be as the criterion with material result of laboratory test，Pass through parameter adjustment，After confirming that material laboratory indexes is qualified，Correct parameter could be pressed produce and collection material.
This utility model 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 responsible for the moisture content in evaporation material and fugitive constituent with preheating feeding device, plays the effect of dried material；Vertical continuous induction heating furnace is vertical structure, and 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 the high-temperature heat treatment process such as high temperature purification, graphitization, carbonization.Heat treatment object is the granular graphite including natural graphite particles and synthetic graphite particles, or the graininess battery graphite negative electrodes material after shaping coating modification, or other material with carbon element, non-carbon material and mixture material thereof.Granular graphite material is purified by this granular graphite continuous high temperature heat-treatment production line and pyrogenic process continuous production processes, compensate for the deficiency of Fluohydric acid. wet purification, has the feature of high efficiency, low energy consumption, environmental protection.
This production line material is under feed system and discharge system coordinative role, order enters band preheating feeding device and vertical continuous induction heating furnace, with uniformly, controlled speed passes through two continuous oven burner hearths, ash in material and achromachia part are in fire box temperature effect, purified gases effect, under the many factors such as Flow of Goods and Materials effect, become volatile substance and and feed separation, under gas pressure produced by pyroreaction, and enter the cleaning gas effect of burner hearth from air inlet pipe, this volatile substance is discharged to production line from delivery pipe, achieve granular graphite to purify continuously, or continuous graphitization, or continuous carbonization technique.
Claims (5)
1. a granular graphite continuous high temperature heat-treatment production line, including band preheating feeding device (1), intermediate bunker (2), vertical continuous induction heating furnace (3), drawing mechanism (4), waste gas waste residue collection device (6), it is characterised in that:
A, described band preheating feeding device (1) are horizontal type structure, including reducing gear (101), conveying pipeline (102), hopper (103), defecator (104), horizontal induction apparatus (107), heat-insulation layer (108)；Wherein,
Described conveying pipeline (102) one end is connected with intermediate bunker (2), the other end is connected with hopper (103) and defecator (104), conveying pipeline (102) middle part arranges horizontal induction apparatus (107) and heat-insulation layer (108), horizontal induction apparatus (107), heat-insulation layer (108) and conveying pipeline (102) section are circular configuration, and concentric is arranged from outside to inside successively；
Being provided with the material extrusion axle (105) of helical blade in described conveying pipeline (102), this material extrusion axle (105) is connected with reducing gear (101), and reducing gear (101) drives material extrusion axle (105) to rotate around its center axis；The axial line of the axial line of conveying pipeline (102) and material extrusion axle (105) is upper and lower parallel construction, namely the material (5) accumulation plane in conveying pipeline (102) is arranged over the through intermediate bunker (2) exhaust passage (106) to defecator (104), namely the one end of exhaust passage (106) is connected with defecator (104), the other end is connected with intermediate bunker (2), and defecator (104) is arranged between horizontal induction apparatus (107) and hopper (103)；
B, described intermediate bunker (2) are vertical structure, and intermediate bunker (2) includes air inlet pipe (201), reducing gear (202), shaft (203), adpting flange and shell；Wherein, shaft (203) is for longitudinally disposed, shaft (203) be provided with between the upper and lower every, the dredging tooth of lateral arrangement, the bottom of shaft (203) is inserted in the tremie pipe (306) of the heating cylinder (311) in vertical continuous induction heating furnace (3), and near or stretch out tremie pipe (306) baseplane, air inlet pipe (201) is arranged on intermediate bunker (2) left side, reducing gear (202) is arranged on intermediate bunker (2) top, this intermediate bunker (2) side is connected with band preheating feeding device (1), bottom is connected with vertical continuous induction heating furnace (3)；
C, described vertical continuous induction heating furnace (3) are vertical structure, vertical continuous induction heating furnace (3) includes central stirring shaft (301), temporarily providing room (302), dividing plate (303), scraper plate (304), combination type boiler tube (305), feed pipe (306), aerofluxus scum pipe (307), induction apparatus (308), external thermal insulation (309), inner thermal insulating layer (310), heating cylinder (311), cooling cylinder (313) and discharge nozzle (314), wherein, heating cylinder (311) is stacked up and down with cooling cylinder (313) is connected in series；Central stirring shaft (301) extends vertically through heating cylinder (311) and cooling cylinder (313), namely the upper surface of hot cylinder (311) is stretched out in central stirring shaft (301) upper surface, the lower surface cooling down cylinder (313) is stretched out in central stirring shaft (301) lower surface, central stirring shaft (301) face of cylinder, periphery is provided with between the upper and lower every the scraper plate (304) of, lateral arrangement, and central stirring shaft (301) neighbouring scraper plate (304) staggers mutually at circumferential orientation；
Described combination type boiler tube (305) is formed by the seam of several dividing plates (303) is stacked up and down by several sub-boiler tubes (3051), namely it is provided with dividing plate (303) between two neighbouring sub-boiler tubes (3051), the annular seam matched with sub-boiler tube (3051) inner circle that this dividing plate (303) upper and lower end face is made up of outer toroid plane and middle circle plane by one respectively, sub-boiler tube (3051) is stacked to concentric cylinder up and down by this annular seam；
Described dividing plate (303) center is provided with a through hole matched with central stirring shaft (301) external diameter, dividing plate (303) be provided with in the middle circle plane corresponding with below scraper plate (304) rotational trajectory can ensure that scraper plate down through penetrating groove (3031)；
The sub-boiler tube (3051) of described combination type boiler tube (305) forms a temporarily providing room (302) with its upper lower clapboard (303) and central stirring shaft (301)；
The section of described induction apparatus (308), external thermal insulation (309), inner thermal insulating layer (310), combination type boiler tube (305) and central stirring shaft (301) is circular configuration, and concentric is arranged from outside to inside successively；
Described aerofluxus scum pipe (307) is arranged on heating cylinder (311) side higher than feed pipe (306) position, baseplane, aerofluxus scum pipe (307) one end connects with the burner hearth of vertical continuous induction heating furnace (3), and the other end connects with waste gas waste residue collection device (6)；
Described discharge nozzle (314) is arranged on cooling cylinder (313) lower end edge central stirring shaft excircle plan-position, and discharge nozzle (314) upper end connects with the material channel in cooling cylinder (313), and lower end connects with drawing mechanism (4)；
D, described drawing mechanism (4) are horizontal type structure, drawing mechanism (4) includes spiral conveyer structure (401), discharge valve (402), drawing mechanism feed pipe, drawing mechanism discharge nozzle and flange, wherein, the discharge nozzle (314) that drawing mechanism feed pipe is not put in drawing mechanism (4) top and opening up and vertical continuous induction heating furnace (3) lower section connect, and drawing mechanism discharge nozzle is not put below drawing mechanism (4) and opening down is connected with discharge valve (402)；
E, described waste gas waste residue collection device (6) include dredging mechanism (601), valve (602), purify collection device (603), horizontal pipe, vertical pipe and flange, horizontal pipe one end communicates with the aerofluxus scum pipe (307) being arranged on heating cylinder (311) side, and the horizontal pipe other end is provided with dredging mechanism (601)；Vertical pipe communicates with purifying collection device (603), is provided with valve (602) in vertical pipe；
F, described band preheating feeding device (1), intermediate bunker (2), vertical continuous induction heating furnace (3), drawing mechanism (4) are sequentially connected in series in order, and connected mode is Flange joint, or alternate manner connects.
2. a kind of granular graphite continuous high temperature heat-treatment production line as claimed in claim 1, it is characterized in that described combination type boiler tube (305) is formed by several bands bottom boiler tube (3052) with flat straight barrel-like structure are stacked, this straight barrel-like structure band bottom boiler tube (3052) bottom surface is flat-bottom structure, and the flat bottom surface with bottom boiler tube (3052) is provided with the annular seam that sub-boiler tube inside top disc adjacent with lower section matches；Band bottom boiler tube (3052) is stacked to concentric cylinder up and down by this annular seam up and down；The flat dividing plate that doubles as of sub-boiler tube, flat is provided with central through hole and penetrating groove (3031), and namely temporarily providing room (302) is made up of neighbouring band bottom boiler tube (3052) and central stirring shaft (301).
3. a kind of granular graphite continuous high temperature heat-treatment production line as claimed in claim 1, it is characterized in that arranging between described inner thermal insulating layer (310) and combination type boiler tube (305) the tubulose heater (315) of a concentric, this tubulose heater (315) is implemented sensing heating by induction apparatus (308)；Heater (315) transfers heat to combination 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 the section with the conveying pipeline (102) in preheating feeding device (1), horizontal induction apparatus (107) and heat-insulation layer (108) is the U-shaped structure of a top closure.
5. a kind of granular graphite continuous high temperature heat-treatment production line as claimed in claim 1, it is characterised in that described central stirring shaft (301) is bar-shaped solid shaft, or tubular, hollow shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521120252.4U CN205367734U (en) | 2015-12-30 | 2015-12-30 | Continuous high temperature heat treatment production line of graininess graphite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521120252.4U CN205367734U (en) | 2015-12-30 | 2015-12-30 | Continuous high temperature heat treatment production line of graininess graphite |
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| Publication Number | Publication Date |
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| CN205367734U true CN205367734U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521120252.4U Withdrawn - After Issue CN205367734U (en) | 2015-12-30 | 2015-12-30 | Continuous high temperature heat treatment production line of graininess graphite |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105460928A (en) * | 2015-12-30 | 2016-04-06 | 株洲弗拉德科技有限公司 | Granular graphite continuous high-temperature heat treatment production line |
| CN107954411A (en) * | 2017-11-06 | 2018-04-24 | 山西水木新碳材科技有限公司 | The Processes and apparatus of vertical continuous carbonization production lithium cell cathode material |
| CN112992428A (en) * | 2021-03-05 | 2021-06-18 | 乐福之家纳米材料有限责任公司 | Production equipment for graphene conductive slurry or particles |
| CN116565199A (en) * | 2023-04-18 | 2023-08-08 | 湖南钠能时代科技发展有限公司 | Composite particles of carbon negative electrode material of sodium ion battery and preparation method and device thereof |
-
2015
- 2015-12-30 CN CN201521120252.4U patent/CN205367734U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105460928A (en) * | 2015-12-30 | 2016-04-06 | 株洲弗拉德科技有限公司 | Granular graphite continuous high-temperature heat treatment production line |
| CN105460928B (en) * | 2015-12-30 | 2017-07-07 | 株洲弗拉德科技有限公司 | A kind of granular graphite continuous high temperature heat-treatment production line |
| CN107954411A (en) * | 2017-11-06 | 2018-04-24 | 山西水木新碳材科技有限公司 | The Processes and apparatus of vertical continuous carbonization production lithium cell cathode material |
| CN112992428A (en) * | 2021-03-05 | 2021-06-18 | 乐福之家纳米材料有限责任公司 | Production equipment for graphene conductive slurry or particles |
| CN116565199A (en) * | 2023-04-18 | 2023-08-08 | 湖南钠能时代科技发展有限公司 | Composite particles of carbon negative electrode material of sodium ion battery and preparation method and device thereof |
| CN116565199B (en) * | 2023-04-18 | 2024-02-13 | 湖南钠能时代科技发展有限公司 | Composite particles of carbon negative electrode material of sodium ion battery and preparation method and device thereof |
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