阅读说明：本技术 一种用于烧结锂电池正极材料燃气隔焰辊道窑系统 (Gas flame-proof roller kiln system for sintering lithium battery anode material ) 是由 周时新 胡涛 于 2021-08-26 设计创作，主要内容包括：本发明公开了一种用于烧结锂电池正极材料燃气辊道窑系统,包括燃气隔焰燃烧室和辐射烧结室分开设置；所述燃气隔焰燃烧室对称设置于辐射烧结室窑腔,通过隔焰板隔开火焰；所述燃气隔焰燃烧室隔焰板传热辐射至辐射烧结室内；所述燃气隔焰燃烧室内部加热端朝向于隔焰板设置,且燃气隔焰燃烧室远离隔焰板一侧向外连通设置有排气结构；所述排气结构出口端通过清灰排气装置导向分叉设置；所述隔焰板背向于燃气隔焰燃烧室一侧上设置有增强结构；所述增强结构对燃气隔焰燃烧室辐射的热量分散于辐射烧结室内。本发明提供一种用于烧结锂电池正极材料燃气隔焰辊道窑系统能有效的对正极材料进行烧结,达到避免正极材料在烧结时受到影响的效果。(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 separately arranged; the gas flame-isolating combustion chambers are symmetrically arranged in a kiln cavity of the radiation sintering chamber, and flame is isolated by flame isolating plates; the gas flame-proof combustion chamber flame-proof plate transfers heat and radiates into the radiation sintering chamber; the heating end in the gas flame-proof combustion chamber is arranged towards the flame-proof plate, and the side of the gas flame-proof combustion chamber, which is far away from the flame-proof plate, is outwards communicated with an exhaust structure; the outlet end of the exhaust structure is guided and branched by the ash removal exhaust device; a reinforcing structure is arranged on one side of the flame isolating plate, which is back to the gas flame isolating combustion chamber; the reinforcing structure disperses the heat radiated by the gas flame-proof combustion chamber into the radiation sintering chamber. The invention provides a gas flame-proof roller kiln system for sintering a lithium battery anode material, which can effectively sinter the anode material and achieve the effect of avoiding the anode material from being influenced during sintering.)

1. The utility model provides a be used for sintering lithium cell cathode material gas roller kilns system which characterized in that: comprises a gas flame-proof combustion chamber (11) and a radiation sintering chamber (12) which are separately arranged; the gas flame-proof combustion chambers (11) are symmetrically arranged in a kiln cavity of the radiation sintering chamber (12), and flame is separated by flame-proof plates (2); the gas flame-proof combustion chamber (12) conducts the flame-proof plate (2) to transfer heat and radiate into the radiation sintering chamber (12); the heating end in the gas flame-proof combustion chamber (11) is arranged towards the flame-proof plate (2), and the side, far away from the flame-proof plate (2), of the gas flame-proof combustion chamber (11) is outwards communicated with an exhaust structure (3); the outlet end of the exhaust structure (3) is guided and branched through an ash removal exhaust device (31) to correspondingly perform ash removal and exhaust; a reinforcing structure (4) is arranged on one side of the flame isolating plate (2) back to the gas flame isolating 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).

2. The gas roller kiln system for sintering the lithium battery anode material as claimed in claim 1, wherein: 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 (12), in 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 outward 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 side wall of the gas flame-proof combustion chamber (2) is provided with a combustion-supporting air pipe (122) which is arranged around the side wall and the air outlet end faces the flame spraying end of the gas burner (111).

3. The gas roller kiln system for sintering the lithium battery anode material as claimed in claim 2, wherein: the exhaust structure (3) comprises a discharge flue (32); the exhaust end of the exhaust flue (32) is provided with a waste discharge pipe (322) in a bending mode, 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 waste discharge pipe (322) close to the discharge flue (32); the ash cleaning and exhausting device (31) is correspondingly arranged at the position where the exhaust pipe (321) is communicated with the waste discharge pipe (322); the ash removal exhaust device (31) rotates to intercept flue gas waste to enter the exhaust pipe (321).

4. The gas roller kiln system for sintering the lithium battery anode material as claimed in claim 3, wherein: the ash removal and exhaust device (31) comprises a rotating shaft (311) and a filter sheet (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 sheets (312) are fixedly arranged on the side wall of the rotating shaft (311) in a surrounding way, and the diameter of the semicircular filter sheet (312) is arranged along the axis of the rotating shaft (311).

5. The gas roller kiln system for sintering the lithium battery anode material as claimed in claim 4, wherein: a vibration device is arranged on the side wall of the rotating shaft (311) between the adjacent filter sheets (312), and the driving end of the vibration device is in driving connection with the filter sheets (312); a plurality of barbs are fixedly arranged on the side wall between the filtering holes of the filter sheet (312).

6. The gas roller kiln system for sintering the lithium battery anode material as claimed in claim 2, wherein: the flame isolating 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 insulating 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 plurality of 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 plurality of rotating rollers (21) and the flame insulating plate (2) at the bottom of the radiation sintering chamber (12).

7. The gas roller kiln system for sintering the lithium battery anode material as claimed in claim 6, wherein: 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).

8. The gas roller kiln system for sintering the lithium battery anode material as claimed in claim 7, wherein: the reinforcing structure (4) comprises a swinging sheet (41); a plurality of fan-shaped notches (23) are formed in one side wall of the flame isolating plate (2) corresponding to the radiation sintering chamber (12); the edge of the swinging piece (41) is attached to the inside of the fan-shaped notch (23), and a rotating device at the circle center of the fan-shaped notch (23) is in driving connection with one end of the swinging piece (41).

9. The gas roller kiln system for sintering the lithium battery anode material as claimed in claim 8, wherein: one 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); the heat diffusion in the heat accumulation area (22) is performed by swinging corresponding to the swinging sheet (41) in the heat accumulation area (22).

Technical Field

The invention relates to the field of gas flame-proof roller kilns.

Background

Heating by using fuel gas, radiating heat to the anode material area in a heat radiation mode, and further heating and sintering the anode material; therefore, a high-thermal-conductivity flame-proof material is required to be adopted during heating, and a flame-proof structure is required to be well designed so as to increase the radiated heat and better sinter the anode material; and harmful substances generated in the process of gas combustion and sintering are isolated, and need to be removed, so that the quality of the burnt lithium battery is prevented from being influenced.

Disclosure of Invention

The purpose of the invention is as follows: 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 achieves the effect of avoiding the anode material from being influenced during sintering.

The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the invention is as follows:

a gas roller kiln system for sintering lithium battery anode materials comprises a gas flame-proof combustion chamber and a radiation sintering chamber which are separately arranged; the gas flame-isolating combustion chambers are symmetrically arranged in a kiln cavity of the radiation sintering chamber, and flame is isolated by flame isolating plates; the gas flame-proof combustion chamber flame-proof plate transfers heat and radiates into the radiation sintering chamber; the heating end in the gas flame-proof combustion chamber is arranged towards the flame-proof plate, and the side of the gas flame-proof combustion chamber, which is far away from the flame-proof plate, is outwards communicated with an exhaust structure; the outlet end of the exhaust structure is arranged in a guide branching mode 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 isolating plate, which is back to the gas flame isolating combustion chamber; the reinforcing structure disperses the heat radiated by the gas flame-proof combustion chamber into 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 on one side, far away from the radiation sintering area, in the gas flame-proof combustion chamber, and the gas flame-proof combustion chamber is communicated with a combustion-supporting fan through the combustion-supporting air pipes; the outward end of the combustion-supporting air pipe close to the gas burner is communicated with a gas pipe of the gas burner; the side wall of the gas flame-proof combustion chamber is provided with a combustion-supporting air pipe air outlet end which faces to the flame spraying end of the gas burner.

Further, the exhaust structure includes a discharge flue; the exhaust end of the exhaust flue is provided with a waste discharge pipe in a bending mode, and the exhaust end of the waste discharge 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 discharge flue; the dust cleaning and exhausting device is correspondingly arranged at the communication position of the exhaust pipe and the waste discharge pipe; the ash removal exhaust device rotates to intercept flue gas waste entering the exhaust pipe.

Further, the ash removal and exhaust device comprises a rotating shaft and a filter disc; 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; and the filter sheets are fixedly arranged on the side wall of the rotating shaft in a surrounding manner, and the diameter of the semicircular filter sheet is arranged along the axis of the rotating shaft.

Furthermore, a vibration device is arranged on the side wall of the rotating shaft between the adjacent filter sheets, and the driving end of the vibration device is in driving connection with the filter sheets; and a plurality of barbs are fixedly arranged on the side wall between the filtering holes of the filter disc.

Further, a flame isolating plate at the top of the radiation sintering chamber is flat-top; a plurality of rotating rollers are arranged above the flame insulating plate at the bottom of the radiation sintering chamber in a clearance mode, and a 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 a flame-isolating plate at the bottom of the radiation sintering chamber.

Furthermore, 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 sheet; a plurality of fan-shaped notches are formed in the side wall, corresponding to the radiation sintering chamber, of the flame isolating plate; the edge of the swinging piece is attached to the inside of the fan-shaped notch, and the rotating device at the circle center of the fan-shaped notch is in driving connection with one end of the swinging piece.

Furthermore, one side of the swinging sheet, which is far away from the inner wall of the fan-shaped notch, protrudes out of the fan-shaped notch; and corresponding to the swinging of the swinging sheet in the heat-focusing area, the hot air in the heat-focusing area is swung to expand and disperse.

Has the advantages that: according to the invention

1) Harmful substances generated by combustion of fuel gas are discharged, so that the influence of the generated harmful substances on the quality of the anode material is avoided, the influence of waste gas discharged by filtering treatment on the environment is reduced, and the influence on the environment is reduced after the discharge treatment; the filter disc filters impurities in the waste gas, then rotates, shakes off the intercepted harmful substances into the waste discharge pipe through the vibration of the vibration device, and then carries out collection treatment;

2) the fan-shaped grooves can gather the radiated heat, and then the heat is incited and spread through the swinging sheets, so that the diffusion of the radiated heat is increased, the heat is more uniformly distributed in the sintering channel, and the sintering efficiency is improved.

Drawings

FIG. 1 is a view of a gas roller kiln system;

FIG. 2 is a view showing the structure of a gas flame-proof combustion chamber;

FIG. 3 is a view showing the structure of the ash removal and exhaust device;

FIG. 4 is a view showing the structure of a heat collecting zone;

fig. 5 is an enhanced structural view.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in the attached figures 1-5: a gas roller kiln system for sintering lithium battery anode materials comprises a gas flame-proof combustion chamber 11 and a radiation sintering chamber 12 which are separately arranged; the gas flame-proof combustion chamber 11 is symmetrically arranged in the kiln cavity of the radiation sintering chamber 12, and flame is separated by a flame-proof plate 2; the gas flame-proof combustion chamber 12 conducts the flame-proof plate 2 to transfer heat and radiate into the radiation sintering chamber 12; the heating end in the gas flame-proof combustion chamber 11 is arranged towards the flame-proof plate 2, and the side of the gas flame-proof combustion chamber 11, which is far away from the flame-proof plate 2, is outwards communicated with an exhaust structure 3; the outlet end of the exhaust structure 3 is guided and branched by an ash removal exhaust device 31, and ash removal and exhaust are correspondingly carried out; the side of the flame isolation plate 2, which is back to the gas flame isolation 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 evenly distributed in the sintering bore passage, and the sintering efficiency of the anode material is increased.

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, in 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; the outward end of the combustion-supporting air pipe 122 close to the gas burner 111 is communicated with the gas pipe of the gas burner 111; the air outlet end of the combustion-supporting air pipe 122 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 through letting in oxygen for combustion efficiency, and the input is adjusted through the flowmeter. The length of the gas roller kiln is 26m-40 m; the width of the inner chamber of the gas roller kiln is 1m-1.5 m; the height of the inner chamber of the gas roller kiln is 0.2m-0.3 m.

The exhaust structure 3 comprises an exhaust 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 waste discharge pipe 322 close to the discharge flue 32; the ash cleaning and exhausting device 31 is correspondingly arranged at the position where the exhaust pipe 321 is communicated with the waste discharge pipe 322; the ash removal and exhaust device 31 rotates to intercept flue gas and waste entering the exhaust pipe 321; harmful substance through producing the gas combustion is discharged, stops the harmful substance influence positive electrode material's of production quality on the one hand, and on the other hand reduces the influence to the environment through filtering treatment exhaust waste gas, and the while emission treatment back reduces the influence to the environment.

The ash removal and exhaust device 31 comprises a rotating shaft 311 and a filter 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 sheets 312 are fixedly arranged on the side wall of the rotating shaft 311 in a surrounding manner, and the diameter of the semicircular filter sheet 312 is arranged along the axis of the rotating shaft 311. A vibration device is arranged on the side wall of the rotating shaft 311 between the adjacent filter discs 312, and the driving end of the vibration device is in driving connection with the filter discs 312; a plurality of barbs are fixedly arranged on the side wall between the filtering holes of the filter piece 312; the plurality of barbs form gaps, so that stably trapped harmful substances can be retained conveniently, and then the suspended harmful substances are shaken off through vibration, and the treatment is convenient. The impurity in the waste gas is filtered to the cassette, then rotates and shakes the harmful substance who holds back through vibrating device and fall to in the exhaust pipe, then collects the processing.

The flame isolating 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 plurality of 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 plurality of rotating rollers 21 and the flame baffle 2 at the bottom of the radiation sintering chamber 12; the heat is collected and then is dispersed by flaring of the heat through the reinforcing structure, so that the uniformity of the radiated heat is improved, and the sintering efficiency is improved.

A plurality of grooves 211 are circumferentially arranged on the axial side wall of the rotating roller 21, and the grooves 211 are correspondingly communicated with the heat-collecting area 22; the groove is correspondingly communicated with the heat-gathering area in a rotating way; the groove rotates to drive heat in the heat-collecting area to be in contact with the anode material, so that the intensity of heat radiation is increased, and the required sintering efficiency is achieved.

The reinforcing structure 4 comprises a swinging tab 41; a plurality of fan-shaped notches 23 are formed in one side wall of the flame isolating plate 2 corresponding to the radiation sintering chamber 12; the edge of the swinging piece 41 is fitted in the fan-shaped notch 23, and a rotating device at the circle center of the fan-shaped notch 23 is in driving connection with one end of the swinging piece 41. One side of the swinging piece 41, which is far away from the inner wall of the fan-shaped notch 23, protrudes out of the fan-shaped notch 23; the swinging of the swinging pieces 41 corresponding to the heat-gathering area 22 swings to expand the hot air in the heat-gathering area 22. The heat of the heat conduction radiation of the flame barrier layer structure is gathered at the periphery of the flame barrier layer structure, so that the heat in the sintering channel is uneven, the whole sintering effect is influenced, the heat of the radiation can be gathered by the fan-shaped grooves, then the heat is flared and expanded through the swinging pieces, the diffusion of the heat of the radiation is increased, the heat is more uniformly distributed in the sintering channel, and the sintering efficiency is improved.

Changing an energy structure on a kiln for sintering the lithium battery anode material, and changing electric heating open flame sintering into natural gas heating flame-proof sintering; designing gas flame-proof combustion chambers on the upper layer and the lower layer of a hearth of a roller kiln preheating zone and a constant temperature zone, directly spraying materials by separating flames to form flame-proof firing, selecting high-heat-conductivity materials to manufacture flame-proof plates, and then conducting hearth material heating through the gas heating combustion radiant heat flame-proof plates to achieve the purpose of sintering lithium battery anode materials by gas combustion flame-proof; the traditional arch-shaped kiln crown brick is changed into a hanging flat kiln crown brick on the basis of the structure of a sintering lithium battery anode material gas heating flame-isolating roller kiln chamber, section flashboards are respectively designed in a preheating zone, a constant temperature zone and a cooling zone, the wind pressure temperature is automatically controlled and adjusted, the purpose that the lithium battery anode material is sintered in a roller kiln is achieved, and gas heating replaces electric heating, so that considerable social benefits and commercial benefits are obtained.

The lithium battery positive electrode material after sintering can be effectively cooled by introducing cold air and extracting hot air in the cooling area, and the lithium battery positive electrode material is quickly cooled by the aid of the quick cold air, so that cooling time is effectively shortened, and cooling efficiency is improved.

The above is a preferred embodiment of the present invention, and is not limited thereto, and it will be apparent to those skilled in the art that the above-described technical solutions can be modified and modified in several ways without departing from the principle of the present invention, and all of the modifications and modifications are intended to be included in the scope of the present invention.