CN218423251U

CN218423251U - Auxiliary mechanism of airflow crushing device for crushing lithium titanate

Info

Publication number: CN218423251U
Application number: CN202222678511.1U
Authority: CN
Inventors: 王浩; 张少波; 张小龙; 张怀文; 杨丽; 容耀
Original assignee: Anhui Keda Borui Energy Technology Co ltd
Current assignee: Anhui Keda Borui Energy Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-02-03
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a lithium titanate is smashed with air current reducing mechanism's complementary unit relates to lithium titanate processing technology field. This airflow crushing device's for crushing lithium titanate complementary unit, including being responsible for, the right side welding of being responsible for is provided with the auxiliary pipe, the left side intercommunication of being responsible for has the outlet duct, the right side intercommunication of auxiliary pipe has into the trachea, the fixed heating net section of thick bamboo that is provided with of inner chamber of being responsible for, the top intercommunication of auxiliary pipe has the valve, and this airflow crushing device's for crushing lithium titanate complementary unit still includes detection mechanism, detection mechanism passes through the inner chamber intercommunication of first branch pipe with the auxiliary pipe. This rubbing crusher's for crushing lithium titanate complementary unit improves the gaseous temperature that gets into the rubbing crusher through providing an auxiliary device to very big degree has reduced the possibility of lithium titanate adhesive bonding, has avoided the emergence of this kind of condition of the local jam of rubbing crusher when improving work efficiency.

Description

Auxiliary mechanism of airflow crushing device for crushing lithium titanate

Technical Field

The utility model relates to a lithium titanate processing technology field specifically is a lithium titanate is smashed and is used air current reducing mechanism's complementary unit.

Background

Lithium titanate is a novel lithium ion battery cathode material and can be assembled with lithium manganate, ternary lithium cobaltate and other cathode materials to form a secondary lithium ion battery. The lithium titanate material has a high discharge platform, a high ion diffusion coefficient, extremely low volume expansion, an ultra-long cycle life and good low-temperature charge and discharge performance, so that a lithium ion battery adopting the lithium titanate material as a negative electrode material has high safety, multiplying power and a wide service temperature range, and is widely applied to the fields of energy storage, electric buses, emergency power supplies and the like.

Lithium titanate need use fluid energy milling device to smash the operation at the course of working, nevertheless because the easy gelatination of lithium titanate crushing in-process and mobility are relatively poor, consequently appears fluid energy milling device's local jam easily, a series of potential safety hazards appear easily when reducing work efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a lithium titanate is smashed with air current reducing mechanism's complementary unit has solved lithium titanate in the course of working, need use air current reducing mechanism to carry out crushing operation to it, nevertheless because the easy caking of lithium titanate crushing in-process and mobility are relatively poor, consequently appears air current reducing mechanism's local jam easily, appears a series of potential safety hazards's problem when reducing work efficiency easily.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an auxiliary mechanism of a jet milling device for lithium titanate milling comprises a main pipe, wherein an auxiliary pipe is welded on the right side of the main pipe, the left side of the main pipe is communicated with an air outlet pipe, and the right side of the auxiliary pipe is communicated with an air inlet pipe;

the auxiliary mechanism of the airflow crushing device for crushing lithium titanate further comprises a detection mechanism, the detection mechanism is communicated with the inner cavity of the auxiliary pipe through a first branch pipe, and the detection mechanism is communicated with the right side of the inner cavity of the main pipe through a second branch pipe;

the detection mechanism comprises a detection shell, one end of the first branch pipe, which is far away from the auxiliary pipe, is communicated with the right side of an inner cavity of the detection shell, one end of the second branch pipe, which is far away from the main pipe, is communicated with the left side of the inner cavity of the detection shell, a movable plate is arranged at the bottom of the inner cavity of the detection shell, a movable wheel is arranged at the bottom of the movable plate, a piston is arranged at the left side of the top of the movable plate, the top of the piston is in contact with the top of the inner cavity of the detection shell, a guide rod is arranged at the right side of the piston, an insulating block is arranged at the right end of the guide rod, an electric brush is arranged at the top of the insulating block, a guide ring is welded in the inner cavity of the detection shell, and the guide ring is sleeved on the surface of the guide rod, the detection device comprises a detection shell, a guide ring, an insulating block, a piston, a guide spring, a sliding resistor, an insulator, a piston and a sliding resistor, wherein the guide spring is arranged between the guide ring and the insulating block, the guide spring is arranged on the surface of the guide rod in a surrounding mode, the inner cavity of the detection shell is fixedly provided with the sliding resistor, the right side of the sliding resistor is provided with the insulator, the top of an electric brush is in contact with the bottom of the insulator, during operation, along with the movement of the piston, the top of the electric brush moves at the bottom of the sliding resistor, the top of the electric brush is continuously in contact with one of the sliding resistor and the insulator, when the electric brush is not in contact with the sliding resistor, the sliding resistor is in a circuit breaking state, after the electric brush is in contact with the sliding resistor, the sliding resistor is connected in parallel to a circuit of the heating screen cylinder, and the effective resistance of the sliding resistor in the circuit is reduced along with the left movement of the electric brush.

Preferably, an inclined screen plate is arranged in the inner cavity of the auxiliary pipe, one end of the inclined screen plate is close to the heating net cylinder, the other end of the inclined screen plate is far away from the heating net cylinder, one end of the inclined screen plate, which is close to the heating net cylinder, is in contact with the left side of the bottom of the valve, the inclined screen plate divides the inner cavity of the auxiliary pipe into a left part and a right part, and the communication position of the first branch pipe and the auxiliary pipe is located on the right part.

Preferably, the bottom of the inner cavity of the detection shell is provided with a track matched with the moving wheel, and the moving wheel is matched with the track by the extrusion of the piston.

Preferably, the inner cavity of the detection shell is provided with a filter screen plate.

(III) advantageous effects

The utility model provides a lithium titanate is smashed with air current reducing mechanism of device. The method has the following beneficial effects:

(1) This lithium titanate is smashed and is used fluid energy mill's complementary unit improves the temperature that gets into the fluid energy mill gas through providing an auxiliary device to greatly reduced the possibility of lithium titanate caking, avoided the local emergence of blockking up this kind of condition of fluid energy mill when improving work efficiency.

(2) This lithium titanate is smashed and is used fluid energy mill's complementary unit, directly install additional the income gas port at fluid energy mill can, for independent system, can not influence other production operations, the abandonment of current equipment can not appear yet.

(3) This lithium titanate is smashed and is used fluid energy milling device's complementary unit, the height according to gaseous flow velocity controlled temperature that can be fine (the pan feeding speed is faster, then the power of fluid energy milling device is big more, then the air velocity is big more, then required temperature is high more), the rational utilization the energy, simultaneously also avoided because the raw material temperature that gas temperature is higher relatively and lead to is higher, follow-up operation need wait for just can go on after the raw material temperature reduces, simultaneously and need not control circuit, the control principle is simple relatively, manufacturing cost is lower relatively and overhaul comparatively simple, need not the corresponding maintainer of extra adaptation, be applicable to large-scale production's improvement.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the detecting mechanism of the present invention.

In the figure: 1. a main tube; 2. a secondary pipe; 3. an air outlet pipe; 4. introducing the air pipe; 5. heating the net drum; 6. a valve; 7. inclining the screen plate; 8. a detection mechanism; 801. a moving wheel; 802. a guide bar; 803. a guide spring; 804. a sliding resistor; 805. an insulator; 806. a filter screen plate; 807. an electric brush; 808. detecting the shell; 809. a track; 810. a piston; 811. a guide bar; 812. moving the plate; 813. an insulating block; 9. A first branch pipe; 10. a second branch pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an auxiliary mechanism of a jet milling device for lithium titanate crushing comprises a main pipe 1, wherein a secondary pipe 2 is welded on the right side of the main pipe 1, an inclined screen plate 7 is arranged in the inner cavity of the secondary pipe 2, one end of the inclined screen plate 7 is close to a heating net cylinder 5, the other end of the inclined screen plate is far away from the heating net cylinder 5, one end of the inclined screen plate 7 close to the heating net cylinder 5 is in contact with the left side of the bottom of a valve 6, the inner cavity of the secondary pipe 2 is divided into a left part and a right part by the inclined screen plate 7, the communication position of a first branch pipe 9 and the secondary pipe 2 is located on the right part, the left side of the main pipe 1 is communicated with an air outlet pipe 3, and the right side of the secondary pipe 2 is communicated with an air inlet pipe 4;

the auxiliary mechanism of the airflow crushing device for crushing lithium titanate further comprises a detection mechanism 8, the detection mechanism 8 is communicated with the inner cavity of the auxiliary pipe 2 through a first branch pipe 9, and the detection mechanism 8 is communicated with the right side of the inner cavity of the main pipe 1 through a second branch pipe 10;

the detection mechanism 8 comprises a detection shell 808, a filter screen 806 is arranged in the inner cavity of the detection shell 808, a rail 809 arranged in cooperation with a movable wheel 801 is arranged at the bottom of the inner cavity of the detection shell 808, the movable wheel 801 and the rail 809 are arranged in cooperation by extrusion of a piston 810, one end of a first branch pipe 9, which is far away from a secondary pipe 2, is communicated with the right side of the inner cavity of the detection shell 808, one end of a second branch pipe 10, which is far away from a main pipe 1, is communicated with the left side of the inner cavity of the detection shell 808, a movable plate 812 is arranged at the bottom of the inner cavity of the detection shell 808, the movable wheel 801 is arranged at the bottom of the movable plate 812, a piston 810 is arranged at the left side of the top of the movable plate 812, the top of the piston 810 is in contact with the top of the inner cavity of the detection shell 808, a guide rod 811 is arranged at the right side of the piston 810, an insulating block 813 is arranged at the right end of the guide rod 811, an electric brush 807 is welded in the inner cavity of the detection shell 808, a guide ring 802 is welded on the surface of the guide rod 811, a guide spring 803 is arranged between the guide ring 802 and the insulating block 813, and the guide spring 803 is arranged around the surface of the guide bar 811, the inner cavity of the detection shell 808 is fixedly provided with a sliding resistor 804, the right side of the sliding resistor 804 is provided with an insulator 805, the top of the brush 807 is contacted with the bottom of the insulator 805, when in operation, as the piston 810 moves, the top end of the brush 807 moves at the bottom of the sliding resistor 804, and the top of the brush 807 is continuously in contact with one of the sliding resistor 804 or the insulator 805, when the brush 807 is not in contact with the sliding resistor 804, the sliding resistor 804 is in an open state, when the brush 807 is contacted with the sliding resistor 804, the sliding resistor 804 is connected in parallel with the circuit of the heating mesh cylinder 5, the effective resistance of the sliding resistor 804 in the circuit decreases as the wiper 807 moves to the left.

Before working, the air outlet pipe is communicated with the air inlet of the airflow crushing device, the port of the air inlet pipe is arranged at a ventilation position, and the power supply of the heating net barrel is switched on;

when the device works, gas enters the auxiliary device through the gas inlet pipe and then enters the airflow crushing device through the gas outlet pipe, and the gas enters the airflow crushing device after being heated under the action of the heating net cylinder, so that the possibility of lithium titanate gelation is greatly reduced, the working efficiency is improved, and the situation that the airflow crushing device is partially blocked is avoided;

when the jet mill is in work, when the power of the jet mill is relatively small, the electric brush is in contact with the insulator, the circuit of the heating net cylinder is disconnected at the moment, and the heating net cylinder does not work at the moment;

along with the increase of the power of the jet milling device, the gas flow speed is gradually increased, the moving plate moves leftwards relative to the detection shell under the action of the piston, so that the electric brush moves leftwards relative to the sliding resistor, the effective resistance of the sliding resistor in a circuit is reduced along with the leftward movement of the electric brush, and the power of the heating net cylinder is gradually increased, so that the effect that the power of the heating net cylinder is increased along with the increase of the power of the jet milling device is achieved;

if the auxiliary device needs to be cleaned, the valve is opened, and the airflow crushing device is controlled to work, so that large-particle impurities on the inclined screen plate are discharged through the valve.

In conclusion, the auxiliary mechanism of the airflow crushing device for crushing lithium titanate improves the temperature of the gas entering the airflow crushing device by providing the auxiliary device, so that the possibility of lithium titanate caking is greatly reduced, the working efficiency is improved, and the condition that the airflow crushing device is partially blocked is avoided;

the auxiliary mechanism of the airflow crushing device for crushing lithium titanate is directly additionally arranged at the air inlet of the airflow crushing device, is an independent system, does not influence other production operations, and does not generate the waste of the existing equipment;

this lithium titanate is smashed and is used air current reducing mechanism's complementary unit, the height according to gaseous flow velocity controlled temperature that can be fine (the pan feeding speed is faster, then the power of air current reducing mechanism is big more, then the air current speed is big more, then required temperature is high more), the rational utilization the energy, simultaneously also avoided because the raw materials temperature that gas temperature is higher relatively and lead to is higher, follow-up operation need wait for just can go on after the raw materials temperature reduces, simultaneously and need not control circuit, the control principle is simple relatively, manufacturing cost is lower relatively and overhaul comparatively simple, need not the corresponding maintainer of extra adaptation, be applicable to large-scale production's improvement.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An auxiliary mechanism of a jet milling device for lithium titanate milling comprises a main pipe (1), wherein a secondary pipe (2) is welded on the right side of the main pipe (1), the left side of the main pipe (1) is communicated with an air outlet pipe (3), and the right side of the secondary pipe (2) is communicated with an air inlet pipe (4);

the method is characterized in that: the inner cavity of the main pipe (1) is fixedly provided with a heating net cylinder (5), the top of the auxiliary pipe (2) is communicated with a valve (6), the auxiliary mechanism of the airflow crushing device for crushing lithium titanate further comprises a detection mechanism (8), the detection mechanism (8) is communicated with the inner cavity of the auxiliary pipe (2) through a first branch pipe (9), and the detection mechanism (8) is communicated with the right side of the inner cavity of the main pipe (1) through a second branch pipe (10);

the detection mechanism (8) comprises a detection shell (808), one end of the first branch pipe (9) far away from the auxiliary pipe (2) is communicated with the right side of the inner cavity of the detection shell (808), one end of the second branch pipe (10) far away from the main pipe (1) is communicated with the left side of the inner cavity of the detection shell (808), a moving plate (812) is arranged at the bottom of the inner cavity of the detection shell (808), a moving wheel (801) is arranged at the bottom of the moving plate (812), a piston (810) is arranged at the left side of the top of the moving plate (812), the top of the piston (810) is in contact with the top of the inner cavity of the detection shell (808), a guide rod (811) is arranged at the right side of the piston (810), an insulating block (813) is arranged at the right end of the guide rod (811), an electric brush (807) is arranged at the top of the insulating block (813), a guide ring (802) is welded to the inner cavity of the detection shell (808), the guide ring (802) is sleeved on the surface of the guide rod (811), a guide spring (803) is arranged around the sliding surface of the fixed insulator (804), and a resistance spring (804) is arranged on the right side of the sliding surface of the sliding rod (804), the top of the brush (807) is in contact with the bottom of the insulator (805), in operation, along with the movement of the piston (810), the top end of the brush (807) moves at the bottom of the sliding resistor (804), the top of the brush (807) is continuously in contact with one of the sliding resistor (804) or the insulator (805), when the brush (807) is not in contact with the sliding resistor (804), the sliding resistor (804) is in an open circuit state, after the brush (807) is in contact with the sliding resistor (804), the sliding resistor (804) is connected in parallel with the circuit of the heating screen cylinder (5), and the effective resistance of the sliding resistor (804) in the circuit is reduced along with the left movement of the brush (807).

2. The auxiliary mechanism of the airflow pulverization apparatus for lithium titanate pulverization as claimed in claim 1, characterized in that: the inner cavity of the auxiliary pipe (2) is provided with an inclined screen plate (7), one end of the inclined screen plate (7) is close to the heating screen cylinder (5), the other end of the inclined screen plate is far away from the heating screen cylinder (5), one end of the inclined screen plate (7) close to the heating screen cylinder (5) is in contact with the left side of the bottom of the valve (6), the inclined screen plate (7) divides the inner cavity of the auxiliary pipe (2) into a left part and a right part, and the communication position of the first branch pipe (9) and the auxiliary pipe (2) is located on the right part.

3. The auxiliary mechanism of the airflow crushing device for crushing lithium titanate according to claim 1, characterized in that: the bottom of the inner cavity of the detection shell (808) is provided with a track (809) matched with the moving wheel (801), and the moving wheel (801) and the track (809) are matched by extrusion of the piston (810).

4. The auxiliary mechanism of the airflow pulverization apparatus for lithium titanate pulverization as claimed in claim 1, characterized in that: and a filter screen plate (806) is arranged in the inner cavity of the detection shell (808).