CN-121972046-A - Dispersing device

CN121972046ACN 121972046 ACN121972046 ACN 121972046ACN-121972046-A

Abstract

The application relates to a dispersing device, and relates to the field of carbon nano tube production. The dispersing device comprises a dispersing bin, a dispersing wheel assembly and a driving assembly, an operation cavity is arranged in the dispersing bin, a material injection port and a material discharge port are arranged on two sides of the dispersing bin relatively, and the material injection port and the material discharge port are communicated with the operation cavity respectively. The dispersing wheel assembly comprises a first dispersing wheel and a second dispersing wheel, the first dispersing wheel and the second dispersing wheel are arranged in opposite directions, the first dispersing wheel is located at one side of the working cavity close to the material injection port, and the second dispersing wheel is located at one side of the working cavity close to the material discharge port. The driving assembly is connected with the first dispersion wheel and the second dispersion wheel and respectively drives the first dispersion wheel and the second dispersion wheel to rotate along opposite directions. The application can crack the carbon nano tube aggregate and ensure the performance of the carbon nano tube.

Inventors

YAN YONGJUN
DENG CHANGHU
MENG JILI
Huang Jiandian
LI TIANYOU

Assignees

广东天瑞德新能源科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260403

Claims (10)

1. A dispersing device for dispersing agglomerates of carbon nanotubes, the dispersing device comprising: The dispersing bin is internally provided with an operation cavity, two sides of the dispersing bin are provided with a material injection port and a material discharge port relatively, and the material injection port and the material discharge port are respectively communicated with the operation cavity; the dispersing wheel assembly comprises a first dispersing wheel and a second dispersing wheel, the first dispersing wheel and the second dispersing wheel are arranged in opposite directions, the first dispersing wheel is positioned at one side of the working cavity close to the material injection port, and the second dispersing wheel is positioned at one side of the working cavity close to the material discharge port; The driving assembly is connected with the first dispersing wheel and the second dispersing wheel and respectively drives the first dispersing wheel and the second dispersing wheel to rotate along opposite directions so as to enable feed liquid accelerated by the first dispersing wheel to collide with the second dispersing wheel at a high speed, thereby realizing the dispersion of the carbon nano tube aggregates.
2. The dispersing device according to claim 1, wherein the first dispersing wheel is provided with a plurality of first tooth blocks along the circumferential direction of the own axis, the second dispersing wheel is provided with a plurality of second tooth blocks along the circumferential direction of the own axis, all of the first tooth blocks are inclined in the rotation direction of the first dispersing wheel, and all of the second tooth blocks are inclined in the rotation direction of the second dispersing wheel.
3. The dispersing device according to claim 2, wherein each first tooth block is provided with a bending portion, the bending portion extends in a direction approaching to the second dispersing wheel, each bending portion encloses and defines a containing space, the inner diameter of the containing space is larger than that of the second dispersing wheel, and the second dispersing wheel is embedded in the containing space.
4. The dispersing device of claim 3, wherein the first dispersing wheel is provided with a plurality of drain holes, each drain hole is circumferentially distributed along the axis of the first dispersing wheel, and the projection area of the second dispersing wheel at least partially covers each drain hole along the axis direction of the first dispersing wheel.
5. The dispersing device of claim 1, wherein the dispersing bin comprises a housing and an inner cylinder, the inner cylinder is arranged in the housing in a fitting manner, the material injection port and the material discharge port sequentially penetrate through the housing and the inner cylinder, and the inner cylinder is made of an inert material.
6. The dispersion device of claim 5, wherein the inner barrel comprises a front baffle, a barrel, and a rear baffle, the front baffle and the rear baffle respectively engaging opposite sides of the barrel; the dispersing bin further comprises two sealing elements, and each sealing element is sleeved on the peripheral sides of the front baffle plate and the rear baffle plate respectively and abuts against the inner wall surface of the shell.
7. The dispersion device of claim 5, wherein the housing includes a cartridge seat and a cartridge cover, the cartridge cover being sealingly secured to an open side of the cartridge seat; The dispersing wheel assembly further comprises a first rotating shaft and a second rotating shaft, one end of the first rotating shaft is fixed with the first dispersing wheel, and the other end of the first rotating shaft sequentially penetrates through the inner cylinder and the bin cover and then is connected with the driving assembly; The dispersing bin further comprises a first mechanical seal and a second mechanical seal, wherein the first mechanical seal is arranged on the first rotating shaft in a sealing manner and is fixed with the bin cover, and the second mechanical seal is arranged on the second rotating shaft in a sealing manner and is fixed with the bin seat.
8. The dispersion device of claim 7, wherein the first mechanical seal and the second mechanical seal are each provided with a coolant inlet and a coolant outlet, the coolant inlet and the coolant outlet being respectively connected to an external refrigerant.
9. The dispersing device according to claim 1, characterized in that the dispersing device further comprises a fluid pump and a heat exchanger, the heat exchanger being provided with a feed liquid input pipe, a feed liquid output pipe, a cooling liquid inlet connection pipe and a cooling liquid outlet connection pipe, which are respectively connected with an external refrigerant; the input end of the fluid pump is connected with the discharge port, the output end of the fluid pump is connected with the feed liquid input pipe, and the feed liquid output pipe is used for discharging the feed liquid after heat exchange.
10. The dispersing device of claim 9, wherein the dispersing device comprises a circulating assembly, the circulating assembly comprises a hopper, a return pipe, a three-way pipe fitting and a discharge valve, a return port is formed in the top of the hopper, a discharge port is formed in the bottom of the hopper along the gravity direction, the return port is connected with one end of the return pipe, the discharge port is connected with the material injection port, the three-way pipe fitting is provided with a first port, a second port and a third port, the first port is connected with one end of the return pipe far away from the hopper, the second port is connected with the material liquid output pipe, and the third port is connected with the discharge valve.

Description

Dispersing device Technical Field The application relates to the technical field of carbon nano tube production, in particular to a dispersing device. Background The pipe diameter of the carbon nano-tube is 0.1-100 nanometers, the length-diameter ratio can reach 10 3～106, the huge specific surface area of the carbon nano-tube can generate extremely strong intermolecular van der Waals force, and the acting force between adjacent tubes can reach 10-20 kJ/mol. In the process of discharging and cooling the carbon nanotubes, the carbon nanotubes are close to each other due to Brownian motion or gravity sedimentation, and once the carbon nanotubes are contacted, the carbon nanotubes are entangled and agglomerated due to Van der Waals force to form bundles or clustered agglomerates, and the intrinsic characteristics of the carbon nanotubes are almost lost. Disclosure of Invention Based on this, it is necessary to provide a dispersing device against the problem that the agglomeration of carbon nanotubes causes the loss of intrinsic properties. In order to achieve the above purpose, the technical scheme adopted by the application is as follows: in a first aspect, an embodiment of the present application provides a dispersing apparatus for dispersing carbon nanotube agglomerates, the dispersing apparatus including: The dispersing bin is internally provided with an operation cavity, two sides of the dispersing bin are provided with a material injection port and a material discharge port relatively, and the material injection port and the material discharge port are respectively communicated with the operation cavity; the dispersing wheel assembly comprises a first dispersing wheel and a second dispersing wheel, the first dispersing wheel and the second dispersing wheel are arranged in opposite directions, the first dispersing wheel is positioned at one side of the working cavity close to the material injection port, and the second dispersing wheel is positioned at one side of the working cavity close to the material discharge port; The driving assembly is connected with the first dispersing wheel and the second dispersing wheel and respectively drives the first dispersing wheel and the second dispersing wheel to rotate along opposite directions so as to enable feed liquid accelerated by the first dispersing wheel to collide with the second dispersing wheel at a high speed, thereby realizing the dispersion of the carbon nano tube aggregates. In one embodiment, the first dispersion wheel is provided with a plurality of first tooth blocks along the circumferential direction of the axis of the first dispersion wheel, the second dispersion wheel is provided with a plurality of second tooth blocks along the circumferential direction of the axis of the second dispersion wheel, all the first tooth blocks incline along the rotation direction of the first dispersion wheel, and all the second tooth blocks incline along the rotation direction of the second dispersion wheel. In one embodiment, each first tooth block is provided with a bending portion, the bending portions extend towards the direction close to the second dispersion wheel, each bending portion encloses and defines an accommodating space, the inner diameter of the accommodating space is larger than that of the second dispersion wheel, and the second dispersion wheel is embedded in the accommodating space. In one embodiment, the first dispersion wheel is provided with a plurality of drain holes, the drain holes are circumferentially distributed along the axis of the first dispersion wheel, and the projection area of the second dispersion wheel at least partially covers the drain holes along the axis direction of the first dispersion wheel. In one embodiment, the dispersing bin comprises a shell and an inner cylinder, the inner cylinder is attached to the shell, the material injection port and the material discharge port sequentially penetrate through the shell and the inner cylinder, and the inner cylinder is made of inert materials. In one embodiment, the inner barrel comprises a front baffle, a barrel and a rear baffle, wherein the front baffle and the rear baffle are respectively attached to two opposite sides of the barrel; the dispersing bin further comprises two sealing elements, and each sealing element is sleeved on the peripheral sides of the front baffle plate and the rear baffle plate respectively and abuts against the inner wall surface of the shell. In one embodiment, the housing comprises a cartridge seat and a cartridge cover, the cartridge cover being sealingly secured to an open side of the cartridge seat; The dispersing wheel assembly further comprises a first rotating shaft and a second rotating shaft, one end of the first rotating shaft is fixed with the first dispersing wheel, and the other end of the first rotating shaft sequentially penetrates through the inner cylinder and the bin cover and then is connected with the driving assembly; The dispe