CN-224230674-U - Tube furnace for producing carbon nano tube powder

Abstract

The utility model relates to the technical field of carbon nanotube powder production, and discloses a tubular furnace for producing carbon nanotube powder, which comprises a furnace body, a heating roller, a fan and a collecting box, wherein an isolating layer is arranged on the inner wall of the furnace body, an exhaust pipe is arranged at the top of the furnace body, a toxic gas filtering mechanism is fixedly arranged in the exhaust pipe, an exhaust pipe structure is arranged at the bottom of the furnace body, a rotating layer is arranged outside the heating roller, and stirring rods are arranged on the outer surface of the rotating layer. This a tubular furnace for producing carbon nanotube powder through adding powder material in holding the intracavity, rotates the layer and drives stirring stick rotation and stir garrulous product, and the fan is gaseous to be carried to holding the intracavity, through heating wire heating, and the gas after the heating is processed the product along with the rotation of rotating the layer, and the valve is opened after the processing is accomplished, and the product falls into the collecting box through the discharge pipe structure, and the waste gas that produces in the course of working will be filtered in the middle of the blast pipe by the scavenger fan suction, filters and discharges after accomplishing.

Inventors

• CAI YUHAO
• JI MENGYU
• LIU YONGYIN

Assignees

• 江西澳邦新材料科技有限公司

Dates

Publication Date

20260512

Application Date

20250423

Claims (8)

1. 1. The utility model provides a tubular furnace for producing carbon nanotube powder, includes furnace body (1), heating roller (14), fan (6) and collection box (8), wherein furnace body (1) inner wall is equipped with isolation layer (2), furnace body (1) top is fixed to be equipped with blast pipe (18), inside fixed poison gas filtering mechanism (17) that are equipped with of blast pipe (18), furnace body (1) bottom is equipped with discharge tube structure (11), heating roller (14) outside is equipped with rotation layer (3), rotation layer (3) external surface fixation is equipped with stirring rod (15), heating roller (14) inside is equipped with heating wire (13), collection box (8) are located the below of discharge tube structure (11), fan (6) are continuous with the left side bottom of furnace body (1) through connecting pipe (5).
2. 2. The tube furnace for producing carbon nanotube powder according to claim 1, wherein the bottom of the blower (6) and the bottom of the furnace body (1) are fixedly provided with positioning frames (4).
3. 3. The tube furnace for producing carbon nanotube powder according to claim 2, wherein locking screws (10) are connected to inner walls of both sides of the positioning frame (4) in a threaded manner.
4. 4. A tube furnace for producing carbon nanotube powder according to claim 3, wherein one end of the locking screw (10) close to the collecting box (8) is movably connected with a U-shaped clamping plate (20), and the U-shaped clamping plate (20) is clamped with the side surface of the collecting box (8).
5. 5. A tube furnace for producing carbon nanotube powder according to claim 1, wherein a valve (12) is provided at the junction of the discharge tube structure (11) and the furnace body (1).
6. 6. A tube furnace for producing carbon nanotube powder according to claim 1, wherein an air suction device (16) is fixedly arranged inside the exhaust tube (18), the air suction device (16) comprises a ventilation fan (1601) and a filtering structure (1602), and the ventilation fan (1601) is located above the filtering structure (1602).
7. 7. A tube furnace for producing carbon nanotube powder according to claim 1, wherein the toxic gas filtering mechanism (17) comprises activated carbon (1701), a purification adsorbing material (1702) and a filtering membrane (1703), the activated carbon (1701) is located at the bottommost part, the filtering membrane (1703) is located at the topmost part, and the purification adsorbing material (1702) is located between the activated carbon (1701) and the filtering membrane (1703).
8. 8. A tube furnace for producing carbon nanotube powder according to claim 1, wherein a handle (9) is provided on the front surface of the collection box (8), and a transfer wheel (7) is provided on the bottom of the collection box (8).

Description

Tube furnace for producing carbon nano tube powder Technical Field The utility model relates to the technical field of carbon nano tube powder production, in particular to a tube furnace for producing carbon nano tube powder. Background The tube furnace is mainly applied to industries such as metallurgy, glass, heat treatment, lithium battery anode and cathode materials, new energy, grinding tools and the like, and professional equipment for measuring materials under certain air temperature conditions. The furnace type has simple structure, easy operation, convenient control and continuous production, and the tubular furnace is a novel high-performance and high-energy-saving electric furnace developed by adopting the international advanced technology, and has various tubular furnace types such as single tube, double tube, horizontal type, openable type, vertical type, single temperature zone, double temperature zone, three temperature zone and the like. The method is mainly applied to experiments and small-batch production of colleges and universities, scientific research institutions, industrial and mining enterprises and the like. The method has the advantages of safety, reliability, simple operation, high temperature control precision, good heat preservation effect, large temperature range, high furnace temperature uniformity, multiple temperature areas, optional atmosphere, vacuumizing furnace type and the like, and can select a single set point or a 30-section programmable controller. The energy-saving ceramic fiber material and the double-layer structure can reduce the surface temperature to normal temperature. The temperature equalizing area is long, the operation is simple and convenient, the sealing is reliable, the comprehensive performance index is higher, and the temperature equalizing area is at the leading level in China. The furnace tube can be selectively provided with heat-resistant steel, quartz glass, ceramic tubes and other materials, and the carbon nano tube, also called Baki tube, is a one-dimensional quantum material with a special structure, the radial dimension of the one-dimensional quantum material is nano-scale, the axial dimension of the one-dimensional quantum material is micron-scale, and two ends of the one-dimensional quantum material are basically sealed. Carbon nanotubes mainly consist of layers to tens of layers of coaxial round tubes of carbon atoms arranged in a hexagonal manner. The distance between layers is kept constant, about 0.34nm, and the diameter is generally 2-20 nm. And the carbon hexagons can be divided into three types of zigzag, armchair and spiral according to different orientations of the carbon hexagons along the axial direction. The spiral carbon nanotube has chirality, the zigzag and armchair carbon nanotubes have no chirality, the carbon nanotube is prepared by using a powder material, a tube furnace is used for preparing the powder material, and when the carbon nanotube powder is produced, not only air but also a plurality of toxic gases are generated, the toxic gases cannot be directly discharged, the general tube furnace can directly discharge the gases, and the toxic gases can pollute the surrounding air after being directly discharged. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides a tube furnace for producing carbon nano tube powder, which has the advantages of filtering and discharging generated toxic gas and the like, and solves the problems that a plurality of powder materials need to be processed in the chemical industry, but the powder materials are processed to generate not only air but also a plurality of toxic gas, and the toxic gas directly discharges and then pollutes the surrounding air. (II) technical scheme The tubular furnace for producing the carbon nano tube powder comprises a furnace body, a heating roller, a fan and a collecting box, wherein an isolating layer is arranged on the inner wall of the furnace body, an exhaust pipe is fixedly arranged at the top of the furnace body, a toxic gas filtering mechanism is fixedly arranged in the exhaust pipe, a discharge pipe structure is arranged at the bottom of the furnace body, a rotating layer is arranged outside the heating roller, stirring rods are fixedly arranged on the outer surface of the rotating layer, an electric heating wire is arranged in the heating roller, the collecting box is positioned below the discharge pipe structure, and the fan is connected with the left bottom of the furnace body through a connecting pipe. Preferably, the bottom of fan and furnace body is all fixed and is equipped with the locating rack. Preferably, the inner walls on two sides of the positioning frame are respectively and threadedly connected with a locking screw, one end of the locking screw, which is close to the collecting box, is movably connected with a U-shaped clamping plate, and the U-shaped clamping p