CN113686147B - Gas flame-proof roller kiln system for sintering anode material of lithium battery - Google Patents
Gas flame-proof roller kiln system for sintering anode material of lithium battery Download PDFInfo
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- CN113686147B CN113686147B CN202110989629.3A CN202110989629A CN113686147B CN 113686147 B CN113686147 B CN 113686147B CN 202110989629 A CN202110989629 A CN 202110989629A CN 113686147 B CN113686147 B CN 113686147B
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- gas
- combustion chamber
- exhaust
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- 238000005245 sintering Methods 0.000 title claims abstract description 67
- 239000010405 anode material Substances 0.000 title claims abstract description 21
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 16
- 238000002485 combustion reaction Methods 0.000 claims abstract description 47
- 230000005855 radiation Effects 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 70
- 239000002699 waste material Substances 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 238000010285 flame spraying Methods 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 208000028659 discharge Diseases 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
- F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/002—Details of the installations, e.g. fume conduits or seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
- F27B2009/3607—Heaters located above the track of the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention discloses a gas roller kiln system for sintering a lithium battery anode material, which comprises a gas flame-proof combustion chamber and a radiation sintering chamber which are arranged separately; the gas flame-proof combustion chamber is symmetrically arranged in a kiln cavity of the radiation sintering chamber, and flames are separated through flame-proof plates; the gas flame-proof combustion chamber flame-proof plate transfers heat and radiates into the radiation sintering chamber; the heating end inside the gas flame-proof combustion chamber is arranged towards the flame-proof plate, and one side of the gas flame-proof combustion chamber, which is far away from the flame-proof plate, is externally communicated with an exhaust structure; the outlet end of the exhaust structure is led to be branched through a dust removing and exhausting device; a reinforcing structure is arranged on one side of the flame-proof plate, which is opposite to the gas flame-proof combustion chamber; the heat radiated by the reinforcing structure to the gas flame-proof combustion chamber is dispersed in the radiation sintering chamber. The gas flame-proof roller kiln system for sintering the anode material of the lithium battery can effectively sinter the anode material, and achieves the effect of avoiding the anode material from being influenced during sintering.
Description
Technical Field
The invention relates to the field of gas flame-proof roller kilns.
Background
Heating by using fuel gas, radiating heat to the positive electrode material area through a thermal radiation mode, and further heating and sintering the positive electrode material; therefore, when heating, a high-heat-conductivity flame-proof material is needed, and the flame-proof structure is also needed to be well designed, so that the radiant heat can be increased to sinter the anode material better; and harmful substances are isolated in the gas combustion sintering process, and the harmful substances are required to be removed, so that the quality of the burnt lithium battery is prevented from being influenced.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides the gas flame-proof roller kiln system for sintering the anode material of the lithium battery, which can effectively sinter the anode material and achieve the effect of avoiding the anode material from being influenced during sintering.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the invention is as follows:
the gas roller kiln system for sintering the anode material of the lithium battery comprises a gas flame-proof combustion chamber and a radiation sintering chamber which are arranged separately; the gas flame-proof combustion chamber is symmetrically arranged in a kiln cavity of the radiation sintering chamber, and flames are separated through flame-proof plates; the gas flame-proof combustion chamber flame-proof plate transfers heat and radiates into the radiation sintering chamber; the heating end inside the gas flame-proof combustion chamber is arranged towards the flame-proof plate, and one side of the gas flame-proof combustion chamber, which is far away from the flame-proof plate, is externally communicated with an exhaust structure; the outlet end of the exhaust structure is guided and branched through an ash removal exhaust device, and ash removal and exhaust are correspondingly carried out; a reinforcing structure is arranged on one side of the flame-proof plate, which is opposite to the gas flame-proof combustion chamber; the heat radiated by the reinforcing structure to the gas flame-proof combustion chamber is dispersed in the radiation sintering chamber.
Further, a gas burner is arranged on the inner wall of the gas flame-proof combustion chamber; a plurality of combustion-supporting air pipes are arranged at one side of the gas flame-proof combustion chamber, which is far away from the radiation sintering area, and the gas flame-proof combustion chamber is communicated with a combustion-supporting fan through the combustion-supporting air pipes; one end of the combustion-supporting air pipe close to the gas burner is communicated with the gas pipe of the gas burner; the air outlet end of the combustion-supporting air pipe which is arranged on the side wall of the gas flame-proof combustion chamber in a surrounding way faces to the flame spraying end of the gas burner.
Further, the exhaust structure comprises a flue; the exhaust end of the exhaust flue is bent and provided with a waste pipe, and the exhaust end of the waste pipe is provided with a valve; an exhaust pipe is arranged on the side wall of the top of the waste discharge pipe and close to the exhaust flue; the ash removing and exhausting device is correspondingly arranged at the communicating position of the exhaust pipe and the waste pipe; the ash removal exhaust device rotationally intercepts flue gas waste from entering the exhaust pipe.
Further, the ash removal and exhaust device comprises a rotating shaft and a filter plate; the rotating shaft is transversely arranged at the air inlet end of the exhaust pipe; the rotating device on the side wall of the exhaust pipe is in driving connection with the rotating shaft; the filter plates are fixedly arranged on the side wall of the rotating shaft in a surrounding mode, and the diameter of each semicircular filter plate is arranged along the axis of the rotating shaft.
Further, a vibrating device is arranged on the side wall of the rotating shaft between the adjacent filter plates, and the driving end of the vibrating device is in driving connection with the filter plates; the side walls between the filter holes of the filter piece are fixedly provided with a plurality of barbs.
Further, the flame isolation plate at the top of the radiation sintering chamber is flat-topped; a plurality of rotating rollers are arranged in a gap above the flame baffle plate at the bottom of the radiation sintering chamber, and the rotating device on the side wall of the radiation sintering chamber is in driving connection with the rotating rollers; the rotating rollers are arranged side by side along the length direction of the radiation sintering chamber, and a heat collecting area is formed between the rotating rollers and the flame isolating plate at the bottom of the radiation sintering chamber.
Further, a plurality of grooves are formed in the axial side wall of the rotating roller in a surrounding mode, and the grooves are correspondingly communicated with the heat collecting area.
Further, the reinforcing structure comprises a swinging plate; a plurality of fan-shaped notches are formed in the side wall of the flame isolation plate, which corresponds to the radiation sintering chamber; the edge of the swinging piece is attached in the fan-shaped notch, and the rotating device at the center of the fan-shaped notch is in driving connection with one end of the swinging piece.
Further, one side of the swing piece far away from the inner wall of the fan-shaped notch protrudes out of the fan-shaped notch; and the swinging of the swinging piece corresponding to the heat collecting area can be used for flaring the hot air in the heat collecting area.
The beneficial effects are that: the invention is characterized in that
1) The harmful substances generated by combustion of the fuel gas are discharged, so that on one hand, the influence of the generated harmful substances on the quality of the anode material is avoided, on the other hand, the influence of the waste gas discharged through filtering treatment on the environment is reduced, and meanwhile, the influence on the environment is reduced after the discharge treatment; the filter plate filters impurities in the waste gas, rotates and shakes the trapped harmful substances into the waste discharge pipe through the vibration of the vibration device, and then performs collection treatment;
2) The fan-shaped grooves can collect radiated heat, then the swinging sheets are used for flaring and dispersing the heat, so that the radiation heat is increased, the heat is more uniformly distributed inside the sintering channel, and the sintering efficiency is improved.
Drawings
FIG. 1 is a diagram of a gas roller kiln system;
FIG. 2 is a diagram of a gas flame-proof combustor;
FIG. 3 is a diagram of a soot cleaning exhaust device;
FIG. 4 is a schematic view of a heat collecting region;
fig. 5 is an enhanced structural diagram.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-5: the gas roller kiln system for sintering the anode material of the lithium battery comprises a gas flame-proof combustion chamber 11 and a radiation sintering chamber 12 which are arranged separately; the gas flame-proof combustion chamber 11 is symmetrically arranged in a kiln cavity of the radiation sintering chamber 12 and is used for separating flame through the flame-proof plate 2; the gas flame-proof combustion chamber 12 conducts heat transfer radiation of the flame-proof plate 2 into the radiation sintering chamber 12; the heating end inside the gas flame-proof combustion chamber 11 is arranged towards the flame-proof plate 2, and one side of the gas flame-proof combustion chamber 11 far away from the flame-proof plate 2 is externally communicated with an exhaust structure 3; the outlet end of the exhaust structure 3 is guided to be branched through an ash removal exhaust device 31, and ash removal and exhaust are correspondingly carried out; the side of the flame-proof plate 2, which is away from the gas flame-proof combustion chamber 11, is provided with a reinforcing structure 4; the heat radiated by the reinforcing structure 4 to the gas flame-proof combustion chamber 11 is dispersed in the radiation sintering chamber 12; the heat is more uniformly distributed in the sintering bore channel, and the sintering efficiency of the positive electrode material is improved.
The inner wall of the gas flame-proof combustion chamber 11 is provided with a gas burner 111; a plurality of combustion-supporting air pipes 122 are arranged on one side, far away from the radiation sintering area 12, of the gas flame-proof combustion chamber 11, and the gas flame-proof combustion chamber 11 is communicated with a combustion-supporting fan through the combustion-supporting air pipes 122; one end of the combustion-supporting air pipe 122 close to the gas burner 111 is communicated with a gas pipe of the gas burner 111; the air outlet end of the combustion-supporting air pipe 122 which is arranged around the side wall of the gas flame-proof combustion chamber 2 faces the flame spraying end of the gas burner 111; the combustion effect of the fuel gas is enhanced, and the temperature required by sintering is ensured. The combustion-supporting of gas is increased by introducing oxygen, the combustion efficiency is accelerated, and the input quantity is regulated by a flowmeter. The length of the gas roller kiln is 26m-40m; the width of the inner chamber of the gas roller kiln is 1m-1.5m; the height of the inner chamber of the gas roller kiln is 0.2m-0.3m.
The exhaust structure 3 includes a discharge flue 32; the exhaust end of the exhaust flue 32 is provided with a waste discharge pipe 322 in a bending way, and the exhaust end of the waste discharge pipe 322 is provided with a valve; an exhaust pipe 321 is arranged on the side wall of the top of the exhaust pipe 322 and close to the exhaust flue 32; the exhaust pipe 321 and the waste pipe 322 are correspondingly provided with an ash removal exhaust device 31 at a communication position; the ash removal exhaust device 31 rotationally intercepts flue gas waste from entering the exhaust pipe 321; through the harmful substance discharge that produces the gas burning, stop the harmful substance that produces on the one hand and influence the quality of positive pole material, on the other hand reduces the influence of filtration treatment exhaust gas to the environment, and after the discharge treatment simultaneously, reduce the influence to the environment.
The ash removal and exhaust device 31 comprises a rotating shaft 311 and a filter piece 312; the rotating shaft 311 is transversely arranged at the air inlet end of the exhaust pipe 321; the rotating device on the side wall of the exhaust pipe 321 is in driving connection with the rotating shaft 311; the plurality of filter plates 312 are fixedly arranged on the side wall of the rotating shaft 311 in a surrounding manner, and the diameter of each semicircular filter plate 312 is arranged along the axis of the rotating shaft 311. A vibrating device is arranged on the side wall of the rotating shaft 311 between the adjacent filter plates 312, and the driving end of the vibrating device is in driving connection with the filter plates 312; a plurality of barbs are fixedly arranged on the side walls between the filter holes of the filter piece 312; the barbs form gaps so as to be convenient for retaining the stably trapped harmful substances, and the harmful substances are shaken off by vibration later, so that the harmful substances are convenient to treat. The filter plate filters impurities in the waste gas, then rotates and shakes the trapped harmful substances into the waste discharge pipe through the vibration of the vibration device, and then performs collection treatment.
The flame-proof plate 2 at the top of the radiation sintering chamber 12 is flat-topped; a plurality of rotating rollers 21 are arranged in a gap above the flame baffle plate 2 at the bottom of the radiation sintering chamber 12, and a rotating device on the side wall of the radiation sintering chamber 12 is in driving connection with the rotating rollers 21; the rotating rollers 21 are arranged side by side along the length direction of the radiation sintering chamber 12, and a heat collecting area 22 is formed between the rotating rollers 21 and the flame baffle plate 2 at the bottom of the radiation sintering chamber 12; the heat is then dispersed by the heat-gathering structure, so that the uniformity of the radiated heat is improved, and the sintering efficiency is improved.
A plurality of grooves 211 are formed in the axial side wall of the rotating roller 21 in a surrounding mode, and the grooves 211 are correspondingly communicated with the heat collecting region 22; the groove is correspondingly communicated with the heat collecting area in a rotating way; the heat in the heat collecting area is driven by the rotation of the groove to be contacted with the positive electrode material, so that the intensity of heat radiation is increased, and the required sintering efficiency is achieved.
The reinforcing structure 4 comprises a swinging plate 41; a plurality of fan-shaped notches 23 are formed in the side wall of the flame baffle plate 2 corresponding to the radiation sintering chamber 12; the edge of the swinging piece 41 is attached in the fan-shaped notch 23, and a rotating device at the center of the fan-shaped notch 23 is in driving connection with one end of the swinging piece 41. The side of the swing piece 41 far away from the inner wall of the fan-shaped notch 23 protrudes out of the fan-shaped notch 23; the oscillation of the oscillating piece 41 in correspondence with the heat accumulating zone 22 causes the spreading of the hot air inside the heat accumulating zone 22. The heat of flame insulating layer structure heat conduction radiation gathers at flame insulating layer structure periphery, can make the interior heat inhomogeneous of sintering passageway like this, influences holistic sintering effect, and fan-shaped groove can gather the heat of radiation, then through the swing piece with the heat flaring spread out, increase the thermal diffusion of radiation, promote the inside of heat more even distribution to the sintering passageway, improve sintering efficiency.
Changing the energy structure on a kiln for sintering lithium battery anode materials, and changing the electric heating open flame sintering into natural gas heating closed flame sintering; a gas flame-proof combustion chamber is arranged at the upper and lower layers of a hearth of a preheating zone and a constant temperature zone of the roller kiln, the flame is separated to directly spray materials to form flame-proof firing, a high heat conduction material is selected to be made into a flame-proof plate, and then the hearth materials are conducted to heat through the gas heating combustion radiation heat flame-proof plate, so that the purpose of sintering lithium battery anode materials by the gas combustion flame-proof is achieved; the traditional arch kiln roof bricks are changed into hanging flat kiln roof bricks on the hearth structure of the gas heating flame-proof roller kiln for sintering lithium battery anode materials, section flashboards are respectively designed in a preheating zone, a constant temperature zone and a cooling zone, and the wind pressure temperature is automatically controlled and regulated, so that the gas heating is used for replacing the gas heating for sintering lithium battery anode materials in the roller kiln, thereby obtaining considerable social benefit and commercial benefit.
The hot air is pumped out while cold air is introduced into the cooling area, so that the sintered lithium battery anode material can be effectively cooled, the lithium battery anode material can be rapidly cooled through rapid cold air, the cooling time is effectively shortened, and the cooling efficiency is accelerated.
The above description is not intended to be limiting, and it will be apparent to those skilled in the art that several modifications and variations can be made to the above-described embodiments without departing from the principles of the present invention.
Claims (2)
1. The utility model provides a be used for sintering lithium cell anode material gas roller kiln system which characterized in that: comprises a gas flame-proof combustion chamber (11) and a radiation sintering chamber (12) which are arranged separately; the gas flame-proof combustion chamber (11) is symmetrically arranged in a kiln cavity of the radiation sintering chamber (12) and is used for separating flame through the flame-proof plate (2); the gas flame-proof combustion chamber (11) conducts heat transfer radiation of the flame-proof plate (2) into the radiation sintering chamber (12); the heating end inside the gas flame-proof combustion chamber (11) is arranged towards the flame-proof plate (2), and one side, far away from the flame-proof plate (2), of the gas flame-proof combustion chamber (11) is externally communicated with an exhaust structure (3); the outlet end of the exhaust structure (3) is led to be branched through an ash removal exhaust device (31) for ash removal and exhaust correspondingly; a reinforcing structure (4) is arranged on one side of the flame-proof plate (2) which is opposite to the gas flame-proof combustion chamber (11); the heat radiated by the reinforcing structure (4) to the gas flame-proof combustion chamber (11) is dispersed in the radiation sintering chamber (12);
a gas burner (111) is arranged on the inner wall of the gas flame-proof combustion chamber (11); a plurality of combustion-supporting air pipes (122) are arranged on one side, far away from the radiation sintering area, of the gas flame-proof combustion chamber (11), and the gas flame-proof combustion chamber (11) is communicated with a combustion-supporting fan through the combustion-supporting air pipes (122); one end of a combustion-supporting air pipe (122) close to the gas burner (111) is communicated with a gas pipe of the gas burner (111) outwards; the air outlet end of the combustion-supporting air pipe (122) which is arranged around the side wall of the gas flame-proof combustion chamber (11) faces the flame spraying end of the gas burner (111);
the exhaust structure (3) comprises a discharge flue (32); the exhaust end of the exhaust flue (32) is bent and provided with a waste discharge pipe (322), and the exhaust end of the waste discharge pipe (322) is provided with a valve; an exhaust pipe (321) is arranged on the side wall of the top of the exhaust pipe (322) close to the exhaust flue (32); the exhaust pipe (321) is correspondingly provided with an ash removal exhaust device (31) at the communication position of the waste discharge pipe (322); the ash removal exhaust device (31) rotationally intercepts flue gas waste from entering the exhaust pipe (321);
the ash removal and exhaust device (31) comprises a rotating shaft (311) and a filter piece (312); the rotating shaft (311) is transversely arranged at the air inlet end of the exhaust pipe (321); the rotating device on the side wall of the exhaust pipe (321) is in driving connection with the rotating shaft (311); the filter plates (312) are fixedly arranged on the side wall of the rotating shaft (311) in a surrounding manner, and the diameters of the semicircular filter plates (312) are arranged along the axis of the rotating shaft (311);
a vibrating device is arranged on the side wall of the rotating shaft (311) between the adjacent filter plates (312), and the driving end of the vibrating device is in driving connection with the filter plates (312); a plurality of barbs are fixedly arranged on the side walls between the filter holes of the filter piece (312);
the flame isolation plate (2) at the top of the radiation sintering chamber (12) is flat-topped; a plurality of rotating rollers (21) are arranged above the flame isolation plate (2) at the bottom of the radiation sintering chamber (12) in a clearance mode, and a rotating device on the side wall of the radiation sintering chamber (12) is in driving connection with the rotating rollers (21); the rotating rollers (21) are arranged side by side along the length direction of the radiation sintering chamber (12), and a heat collecting area (22) is formed between the rotating rollers (21) and the flame isolating plate (2) at the bottom of the radiation sintering chamber (12);
a plurality of grooves (211) are formed in the axial side wall of the rotating roller (21) in a surrounding mode, and the grooves (211) are correspondingly communicated with the heat collecting area (22);
the reinforcing structure (4) comprises a swinging plate (41); a plurality of fan-shaped notches (23) are formed in one side wall of the flame isolation plate (2) corresponding to the radiation sintering chamber (12); the edge of the swinging piece (41) is attached in the sector-shaped notch (23), and a rotating device at the center of the sector-shaped notch (23) is in driving connection with one end of the swinging piece (41).
2. A gas roller kiln system for sintering lithium battery anode material according to claim 1, characterized in that: the side of the swinging piece (41) far away from the inner wall of the fan-shaped notch (23) protrudes out of the fan-shaped notch (23); and the swinging of the swinging plate (41) corresponding to the heat collecting area (22) causes the hot air in the heat collecting area (22) to spread out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110989629.3A CN113686147B (en) | 2021-08-26 | 2021-08-26 | Gas flame-proof roller kiln system for sintering anode material of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110989629.3A CN113686147B (en) | 2021-08-26 | 2021-08-26 | Gas flame-proof roller kiln system for sintering anode material of lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113686147A CN113686147A (en) | 2021-11-23 |
| CN113686147B true CN113686147B (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110989629.3A Active CN113686147B (en) | 2021-08-26 | 2021-08-26 | Gas flame-proof roller kiln system for sintering anode material of lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113686147B (en) |
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| JP2002228364A (en) * | 2001-01-31 | 2002-08-14 | Takasago Ind Co Ltd | Roller hearth kiln |
| JP2003021462A (en) * | 2001-07-10 | 2003-01-24 | Tdk Corp | Combustion heating furnace |
| KR20190106428A (en) * | 2018-03-09 | 2019-09-18 | 김명진 | Device for metal product heat treatment |
| CN209714532U (en) * | 2018-12-27 | 2019-12-03 | 广州怡仁环保工程有限公司 | A kind of VOCs treatment filtering processing unit convenient for cleaning filter core |
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| CN210773377U (en) * | 2019-03-26 | 2020-06-16 | 浙江林奈新能源有限公司 | Sintering device in production of lithium ion battery anode material |
| CN211316929U (en) * | 2019-12-04 | 2020-08-21 | 济南裕兴化工有限责任公司 | Improved device for rotary kiln air system in titanium white production |
| CN213631514U (en) * | 2020-08-14 | 2021-07-06 | 黄冈市华窑中瑞窑炉有限公司 | Gas flame-proof particle product roasting roller kiln |
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2021
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| JP2002228364A (en) * | 2001-01-31 | 2002-08-14 | Takasago Ind Co Ltd | Roller hearth kiln |
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| CN210718621U (en) * | 2019-07-18 | 2020-06-09 | 南昌科悦企业管理咨询有限公司 | Curing oven is used in rock wool production |
| CN211316929U (en) * | 2019-12-04 | 2020-08-21 | 济南裕兴化工有限责任公司 | Improved device for rotary kiln air system in titanium white production |
| CN213631514U (en) * | 2020-08-14 | 2021-07-06 | 黄冈市华窑中瑞窑炉有限公司 | Gas flame-proof particle product roasting roller kiln |
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