Belt conveyor for recycling lithium batteries

Abstract

According to the belt conveyor for recycling the lithium batteries, two side baffles are arranged in a shell assembly and are distributed side by side in the width direction of the shell assembly, meanwhile, the lower end edges of the two side baffles are in contact fit with the upper surface of a bearing section of a conveying belt, and a U-shaped material bearing space is formed among the conveying belt and the two side baffles; the pressing roller assembly comprises two pressing rollers and a pressing roller shaft, the pressing roller assembly is arranged in the inner cavity of the shell assembly and located at the transition joint between the lower horizontal section and the inclined section, the two pressing rollers are located on the outer sides of the two side baffles correspondingly, and the lower edge faces of the two pressing rollers make contact with the upper surface of the conveying belt. The compression roller shaft is fixedly inserted into mounting holes in the axes of the two compression roller shafts, the two ends of the compression roller shaft are rotatably connected with the two side plates of the shell assembly respectively, and the filling port and the extraction port are formed in the side plates of the shell assembly at intervals. The conveyor can meet the conveying requirement of lithium battery materials, and can effectively prevent the conditions of material tumbling, material accumulation and belt deviation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of waste lithium battery recycling, and particularly relates to a belt conveyor for lithium battery recycling. BACKGROUND

[0002] The belt conveyor is widely applied to material conveying operations in traditional industries, such as conventional materials like coal and grain. The conventional belt conveyor has a relatively simple structure and cannot effectively prevent the rolling of materials during the conveying of lithium battery recycling materials. In addition, the sealing effect of the conventional conveyor is not ideal, and the materials are prone to contact with oxygen during the conveying process, which may cause oxidation reaction between oxygen and lithium battery materials, and even cause the risk of combustion and explosion, thereby posing a great safety hazard. Therefore, the conventional conveyor is not suitable for the special requirements of material conveying in the lithium battery recycling industry. In addition, the conventional conveyor is prone to belt deviation and material accumulation during the conveying process. Therefore, there is an urgent need to provide a novel belt conveyor suitable for lithium battery recycling. SUMMARY

[0003] In view of the problems of the prior art, the utility model provides a belt conveyor for lithium battery recycling, which has a simple structure, high safety factor, good stability, and high reliability. The conveyor can meet the requirements of material conveying during lithium battery recycling, effectively prevent the rolling, accumulation, and deviation of materials, improve the conveying efficiency, and be suitable for the conveying requirements of materials during lithium battery recycling.

[0004] To achieve the above-mentioned purpose, the utility model provides a belt conveyor for lithium battery recycling, which comprises a housing assembly, a driving drum, an auxiliary drum, a conveying belt, side baffles, a compression roller assembly, a filling port, and an air outlet.

[0005] The housing assembly has a sealed box structure, which is sequentially and sealingly connected by a lower horizontal section and an inclined section arranged obliquely. The driving drum is rotatably installed inside the upper end of the inclined section, and the auxiliary drum is rotatably installed inside the lower horizontal section. The conveying belt is connected to the outside of the driving drum and the auxiliary drum.

[0006] Two side baffles are arranged inside the housing assembly and distributed side by side along the width direction of the housing assembly. The length direction of each side baffle extends along the length direction of the upper side top plate of the housing assembly. The upper end of each side baffle is fixedly connected to the upper side top plate of the housing assembly, and the lower end is in contact with the upper surface of the conveying belt bearing section. A U-shaped material bearing space is formed between the conveying belt and the two side baffles.

[0007] The compression roller assembly comprises two compression rollers and a compression roller shaft, the compression roller assembly is arranged in the inner cavity of the shell assembly, and is located at the transition joint between the lower horizontal section and the inclined section, the two compression rollers are located outside the two side baffles, and the lower edges of the two compression rollers are in contact with the upper surface of the conveying belt, the compression roller shaft is fixedly inserted into the mounting holes at the centers of the two compression rollers, and both ends of the compression roller shaft are rotatably connected with the two side plates of the shell assembly, and the part of the compression roller shaft between the two compression rollers forms a height-limiting adjusting section of the U-shaped material bearing space.

[0008] The filling port and the air outlet are arranged on the side plates of the shell assembly in an interval manner, the air inlet one-way valve is arranged in the filling port, and the air outlet one-way valve is arranged in the air outlet.

[0009] Further, in order to facilitate real-time monitoring of the oxygen concentration data in the inner cavity of the shell assembly, an oxygen concentration sensor is further arranged in the shell assembly, and is used for collecting the oxygen concentration data in the shell assembly in real time.

[0010] Further, in order to facilitate the filling of nitrogen into the inner cavity of the shell assembly during the material conveying process, a nitrogen filling mechanism is further arranged, and the air outlet end of the nitrogen filling mechanism is connected with the filling port.

[0011] Further, in order to facilitate the extraction of the internal gas to the outside during the filling of nitrogen, so as to facilitate the maintenance of the negative pressure state in the inner cavity of the shell assembly during the conveying process, and to maximize the safety during the conveying process, a negative pressure pump is further arranged, and the air inlet of the negative pressure pump is connected with the air outlet through the air extraction pipeline.

[0012] Further, in order to further avoid the rolling of the material, the compression roller assembly further comprises two compression wheels, the two compression wheels are arranged on the inner sides of the two compression rollers in a close manner, and are coaxially sleeved on the outer sides of the compression roller shaft, and the lower edges of the two compression wheels are in contact with the upper ends of the two side baffles.

[0013] The utility model discloses a shell assembly is provided with two side baffle plates, and the two side baffle plates are arranged on the upper surface of the horizontal section of the shell assembly, and the lower end of the two side baffle plates is in contact with the upper surface of the conveying belt bearing section, so that the space on the upper surface of the conveying belt can be limited by the two side baffle plates, and the U-shaped material bearing space between the two side baffle plates and the upper surface of the conveying belt can be formed, so that the U-shaped material bearing space can be used to bear the material in the conveying process, and the material rolling off in the conveying process can be avoided.

[0014] The conveyor has simple structure, high safety factor, good stability and high reliability, can meet the conveying requirement of the material in the lithium battery recycling process, can effectively prevent the material rolling off, material accumulation and belt deviation, is favorable to improving the conveying efficiency and is suitable for the conveying requirement of the material in the lithium battery recycling process. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0016] Fig. 2 It is the cooperation schematic diagram of the side baffle plate and the conveying belt in the utility model;

[0017] Fig. 3 It is the cooperation schematic diagram of the pressure roller assembly and the side baffle plate and the conveying belt in the utility model.

[0018] In the figure: 1, housing assembly, 2, lower horizontal section, 3, inclined section, 4, compression wheel, 5, conveying belt, 6, side baffle, 7, compression roller, 8, compression roller shaft, 9, air outlet, 10, compression roller assembly, 11, U-shaped material carrying space. DETAILED DESCRIPTION

[0019] The utility model will be further described below in combination with the drawings.

[0020] As Figs. 1 to 3 shown, the utility model provides a belt conveyor for lithium battery recycling, the belt conveyor includes housing assembly 1, driving drum, auxiliary drum, conveying belt 5, side baffle 6, compression roller assembly 10, filling port and air outlet 9;

[0021] The housing assembly 1 is the sealed box type structure, is connected in proper order with the lower horizontal section 2 and the inclined section 3 of inclined arrangement sealed connection, the driving drum is rotatably installed in the inside of the upper end of inclined section 3, the auxiliary drum is rotatably installed in the inside of lower horizontal section 2, the conveying belt 5 is connected in the outside of driving drum and auxiliary drum around;

[0022] Two side baffles 6 are arranged in the inside of housing assembly 1, and are distributed side by side along the width direction of housing assembly 1, and the length direction of each side baffle 6 extends along the length direction of the upper side roof of housing assembly 1, the upper end of two side baffles 6 is fixedly connected along with the upper side roof of housing assembly 1, and the lower end is contacted and cooperated along with the upper surface of the carrying section of conveying belt 5 respectively, and the U-shaped material carrying space 11 is formed between conveying belt 5 and two side baffles 6;

[0023] The compression roller assembly 10 includes two compression rollers 7 and compression roller shaft 8, the compression roller assembly 10 is arranged in the inner chamber of housing assembly 1, and is located at the transition connection between lower horizontal section 2 and inclined section 3, two compression rollers 7 are located at the outside of two side baffles 6 respectively, and the lower edge surface thereof is contacted with the upper surface of conveying belt 5, the compression roller shaft 8 is fixedly inserted into the mounting hole at the shaft center of two compression rollers 7, and the two ends thereof are rotatably connected with the two side plates of housing assembly 1 respectively, and simultaneously, the part of compression roller shaft 8 between two compression rollers 7 forms the height-limiting adjustment section of U-shaped material carrying space;

[0024] The filling port and air outlet 9 are spaced apart and arranged on the side plate of housing assembly 1, and a gas inlet one-way valve is arranged in the filling port, and a gas outlet one-way valve is arranged in the air outlet 9.

[0025] In order to facilitate real-time monitoring of the oxygen concentration data in the inner chamber of the housing assembly, an oxygen concentration sensor is further included, which is installed in the inside of the housing assembly 1 for real-time acquisition of the oxygen concentration data inside the housing assembly 1.

[0026] In order to facilitate the nitrogen filling process to the inner cavity of the shell assembly, a nitrogen filling mechanism is further provided, and the outlet of the nitrogen filling mechanism is connected with the filling port.

[0027] In order to facilitate the nitrogen filling process to the inner cavity of the shell assembly, a nitrogen filling mechanism is further provided, and the outlet of the nitrogen filling mechanism is connected with the filling port.

[0028] In order to further avoid the material rolling, the pressing roller assembly 10 further comprises two pressing wheels 4, which are arranged on the inner side of the two pressing rollers 7 and coaxially sleeved on the outer side of the pressing roller shaft 8, and the lower edge surface of the two pressing wheels 4 is in contact with the upper end of the two side plates 6.

[0029] In the utility model, the two side plates are connected on the upper side plate of the shell assembly, and the lower end of the two side plates is in contact with the upper surface of the conveying belt bearing section, so that the space on the upper surface of the conveying belt can be limited by the two side plates, and a U-shaped material bearing space is formed between the two side plates and the upper surface of the conveying belt, so that the material can be carried by the U-shaped material bearing space during the conveying process, and the material rolling during the conveying process can be avoided. Since the shell assembly adopts a sealed structure, the outside oxygen can be prevented from entering the inner cavity of the shell assembly during the conveying process, and the combustion and explosion can be effectively avoided. The filling port and the exhaust port are arranged on the shell assembly, so that the nitrogen can be filled into the inner cavity of the shell assembly through the filling port, and the gas in the inner cavity of the shell assembly can be simultaneously extracted to the outside through the exhaust port, so that the inner cavity of the shell assembly is filled with nitrogen, the concentration of oxygen in the shell assembly is greatly reduced, the negative pressure state of the inner cavity of the shell assembly is maintained, the oxidation reaction between the material and oxygen during the conveying process can be avoided, and even the combustion and explosion accident can be avoided. The inlet one-way valve is installed in the filling port, and the outlet one-way valve is installed in the exhaust port, so that the sealing performance of the inner cavity of the shell assembly can be ensured, and the reliable nitrogen filling and convenient gas extraction can be realized. Since the shell assembly only comprises the horizontal section and the inclined section, the pressing roller assembly is arranged between the lower horizontal section and the inclined section, so that the two pressing rollers can be used to realize the redirection function of the conveying belt running direction, and the deviation of the conveying belt can be effectively prevented. Since the part of the pressing roller shaft between the two pressing rollers is spaced apart from the surface of the conveying belt by a certain distance, the middle section of the pressing roller shaft can form a height-limiting adjustment section of the U-shaped material bearing space, so that the height-limiting adjustment section can be used to damage the accumulated material, and the material accumulation can be effectively avoided.

[0030] The conveyor has simple structure, high safety factor, good stability and high reliability, can meet the conveying requirement of materials in the lithium battery recycling process, can effectively prevent the material rolling, material accumulation and belt deviation, is beneficial to improve the conveying efficiency, and is suitable for the conveying requirement of materials in the lithium battery recycling process.

Claims

1. A belt conveyor for lithium battery recycling, the belt conveyor comprising a housing assembly (1), a driving roller, an auxiliary roller and a conveying belt (5), the housing assembly (1) is a sealed box structure, which is sequentially and sealingly connected by a lower horizontal section (2) and an inclined section (3) arranged obliquely, the driving roller is rotatably installed inside the upper end of the inclined section (3), the auxiliary roller is rotatably installed inside the lower horizontal section (2), and the conveying belt (5) is connected around the outside of the driving roller and the auxiliary roller; characterized in that, It also includes side guards (6), compression roller assembly (10), filling port and suction port (9); Two side guards (6) are arranged inside the housing assembly (1), and are distributed side by side along the width direction of the housing assembly (1), and the length direction of each side guard (6) extends along the length direction of the upper side plate of the housing assembly (1), and the upper end of the two side guards (6) is fixedly connected with the upper side plate of the housing assembly (1), and the lower end is in contact with the upper surface of the conveying belt (5) respectively, and a U-shaped material carrying space (11) is formed between the conveying belt (5) and the two side guards (6); The compression roller assembly (10) includes two compression rollers (7) and a compression roller shaft (8), the compression roller assembly (10) is arranged in the inner cavity of the housing assembly (1), and is located at the transition connection between the lower horizontal section (2) and the inclined section (3), the two compression rollers (7) are located outside the two side guards (6), and the lower edges of the two compression rollers (7) are in contact with the upper surface of the conveying belt (5), the compression roller shaft (8) is fixedly inserted into the mounting hole at the center of the two compression rollers (7), and the two ends of the compression roller shaft (8) are rotatably connected with the two side plates of the housing assembly (1), and the part of the compression roller shaft (8) between the two compression rollers (7) forms a height-limiting adjusting section of the U-shaped material carrying space (11). The filling port and suction port (9) are arranged on the side plate of the housing assembly (1) in an interval manner, a gas inlet one-way valve is arranged in the filling port, and a gas outlet one-way valve is arranged in the suction port (9).

2. A belt conveyor for lithium battery recycling according to claim 1, characterized in that, It also includes an oxygen concentration sensor, which is installed inside the housing assembly (1) and used for collecting oxygen concentration data inside the housing assembly (1) in real time.

3. A belt conveyor for lithium battery recycling according to claim 1 or 2, characterized in that, It also includes a nitrogen filling mechanism, and the gas outlet end of the nitrogen filling mechanism is connected with the filling port.

4. A belt conveyor for lithium battery recycling according to claim 3, characterized in that, It also includes a negative pressure pump, and the gas inlet of the negative pressure pump is connected with the suction port (9) through a suction pipeline.

5. A belt conveyor for lithium battery recycling according to claim 4, characterized in that, The compression roller assembly (10) also includes two compression rollers (4), which are arranged on the inner side of the two compression rollers (7) in a close manner and coaxially sleeved on the outside of the compression roller shaft (8), and the lower edge surfaces of the two compression rollers (4) are in contact with the upper ends of the two side guards (6).

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