CN215326953U - Equipment for producing carbon nano tube by fluidized bed - Google Patents
Equipment for producing carbon nano tube by fluidized bed Download PDFInfo
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- CN215326953U CN215326953U CN202022572162.6U CN202022572162U CN215326953U CN 215326953 U CN215326953 U CN 215326953U CN 202022572162 U CN202022572162 U CN 202022572162U CN 215326953 U CN215326953 U CN 215326953U
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Abstract
The utility model discloses a device for producing carbon nano tubes by a fluidized bed, which belongs to the technical field of carbon nano tube production and comprises a fluidized bed reactor body, a rotating device and an outflow port, wherein the rotating device comprises a main vent pipe which is rotatably connected in a reaction chamber and a plurality of auxiliary vent pipes which are arranged at two ends of the main vent pipe, one end of the main vent pipe is arranged at the top of the reaction chamber, the other end of the main vent pipe penetrates through the bottom of the reaction chamber and extends to the outer side of the reactor body to form an inflow port for gas to flow in, the auxiliary vent pipes comprise a straight pipe and a bent pipe which forms a certain angle with the straight pipe, a connecting shaft is arranged between the auxiliary vent pipes along the vertical direction of the reactor body, a rotating cylinder is sleeved outside the connecting shaft, the side edge of the rotating cylinder is contacted with the inner wall of the reaction chamber, and a branch gas pipe is arranged at one side of the bent pipe close to the rotating cylinder, the utility model has the advantages of improving the service efficiency of the fluidized bed equipment and being capable of being used for a long time.
Description
Technical Field
The utility model relates to the technical field of carbon nanotube production, in particular to equipment for producing carbon nanotubes by using a fluidized bed.
Background
The carbon nano tube is a one-dimensional quantum material with a special structure (the radial dimension is nano-scale, the axial dimension is micron-scale, and two ends of the tube are basically sealed), the carbon nano tube is used as the one-dimensional nano material, the weight is light, the hexagonal structure is perfectly connected, and the material has many abnormal mechanical, electrical and chemical properties.
In the existing carbon nanotube production equipment, in the process of producing carbon nanotubes by using a fluidized bed, a catalyst is easy to adhere to the inner wall of a reactor, and along with the growth of the carbon nanotubes, agglomerated carbon nanotubes gradually accumulate on the inner wall to form a deposit body, the deposit body is thicker, the heat transfer and mass transfer processes in the reactor are influenced for a long time, and the efficiency of the fluidized bed reactor is reduced.
To this end, a person skilled in the relevant art improves the above technical solution, for example, a "self-cleaning fluidized bed reactor for carbon nanotube production" proposed in chinese patent publication No. CN205761066U includes a fluidized bed reactor body having a reaction chamber and a rotating device disposed in the reaction chamber, the rotating device includes a rotating shaft disposed longitudinally along a center of the reaction chamber and a rotating body connected to the rotating shaft and capable of rotating by the rotating shaft, the reaction chamber is provided with an inlet through which a gas flows in and an outlet through which the gas flows out, the rotating shaft is communicated with the inlet, the rotating body is communicated with the rotating shaft, and the rotating body is provided with a plurality of air holes which are opposite to the inner wall of the reaction chamber and are communicated with the rotating shaft for air to flow out, although the utility model can clean the catalyst and the carbon nano tube adhered on the inner wall of the reaction chamber through the rotating body, the utility model can meet the characteristic of improving the use efficiency of the fluidized bed equipment.
However, the technical solution in this application still has not enough, if this utility model is through the rotary rod round rotation axis rotation to the realization is cleaned the reaction chamber inner wall, but gets off for a long time, also can be stained with certain carbon nanotube deposit on the rotary rod, and the rotary rod is difficult for dismantling the washing, therefore this utility model can not use for a long time.
Based on this, the present invention has been devised an apparatus for producing carbon nanotubes using a fluidized bed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an apparatus for producing carbon nanotubes using a fluidized bed to solve the above-mentioned problems.
In order to achieve the purpose, the utility model provides the following technical scheme: an apparatus for producing carbon nanotubes by a fluidized bed, comprising a fluidized bed reactor body having a reaction chamber, a rotating device disposed in the reaction chamber, and an outlet port disposed at the upper end of the reactor body for gas to flow out, the rotating device comprises a main breather pipe which is rotatably connected in the reaction chamber and a plurality of auxiliary breather pipes which are arranged at two ends of the main breather pipe, one end of the main breather pipe is arranged at the top of the reaction chamber, the other end of the main breather pipe penetrates through the bottom of the reaction chamber and extends to the outer side of the reactor body to form an inflow port for gas to flow in, the auxiliary breather pipes are composed of two parts of a straight pipe and a bent pipe which forms a certain angle with the straight pipe, a connecting shaft is arranged between the auxiliary breather pipes along the vertical direction of the reactor body, a rotating cylinder is sleeved outside the connecting shaft, the side of rotatory section of thick bamboo and the contact of reaction chamber inner wall, the one side that the pipe orientation of bending is close to rotatory section of thick bamboo is provided with bronchus.
Preferably, the two ends of the side wall of the main vent pipe and the side wall of the auxiliary vent pipe are respectively provided with a limiting clamping bead, and the limiting clamping beads are connected to the auxiliary vent pipe through springs.
Preferably, both ends of the upper and lower inner walls of the reaction chamber are respectively provided with an upper guide sleeve and a lower guide sleeve through which the main vent pipe can pass.
Preferably, a plurality of the auxiliary vent pipes are uniformly distributed along the peripheral side of the main vent pipe at equal intervals.
Preferably, the cross section of the rotating cylinder is a regular pentagon.
Compared with the prior art, the utility model has the beneficial effects that:
when the device is used, inert gas is firstly introduced into the reactor body through the inflow inlet, the gas flows into the main vent pipe through the inflow inlet and then flows into the plurality of auxiliary vent pipes communicated with the main vent pipe, the gas is blown out of the bent pipe through the straight pipe and then blown to the inner wall of the reaction chamber, under the reaction action of the inner wall of the reaction chamber, the auxiliary vent pipes rotate and drive the connecting shaft and the rotary cylinder to rotate circumferentially around the inner wall of the reaction chamber, so that the rotary cylinder cleans deposits adhered to the inner wall of the reaction chamber, wherein part of the gas blown out of the bent pipe through the branch pipe rotates around the connecting shaft under the action of the gas blown out of the branch pipe, so that the rotary cylinder automatically cleans the deposits adhered to the rotary cylinder, the use efficiency of fluidized bed equipment is improved, and the device can be used for a long time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a sectional view showing the overall structure of the present embodiment;
FIG. 2 is a sectional view showing the structure of the secondary vent pipe in this embodiment;
FIG. 3 is a schematic view of the salient rotating apparatus of the present embodiment;
FIG. 4 is a sectional view of the protruding position-limiting clamp bead of the present embodiment.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a reactor body; 2. a reaction chamber; 3. a rotating device; 31. a main vent pipe; 32. an auxiliary vent pipe; 321. a straight line pipe; 322. bending the pipe; 4. an outflow port; 5. an inflow port; 6. a connecting shaft; 7. a rotary drum; 8. a bronchus; 9. limiting and clamping the beads; 10. a spring; 11. an upper guide sleeve; 12. a lower guide sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an apparatus for producing carbon nanotubes by fluidized bed, comprising a fluidized bed reactor body 1 with a reaction chamber 2, a rotating device 3 arranged in the reaction chamber 2 and an outflow port 4 arranged at the upper end of the reactor body 1 and allowing gas to flow out, wherein the rotating device 3 comprises a main vent pipe 31 rotatably connected in the reaction chamber 2 and a plurality of auxiliary vent pipes 32 arranged at two ends of the main vent pipe 31, the main vent pipe 31 is provided with a mounting hole for the auxiliary vent pipes 32 to pass through, one end of the main vent pipe 31 is arranged at the top of the reaction chamber 2, the other end of the main vent pipe 31 passes through the bottom of the reaction chamber 2 and extends to the outer side of the reactor body 1 to form an inflow port 5 allowing gas to flow in, the plurality of auxiliary vent pipes 32 are composed of a straight pipe 321 and a bent pipe 322 forming a certain angle with the straight pipe 321, a connecting shaft 6 is arranged between the auxiliary vent pipes 32 along the vertical direction of the reactor body 1, the connecting shaft 6 is sleeved with a rotating cylinder 7, the side edge of the rotating cylinder 7 is in contact with the inner wall of the reaction chamber 2, one side, facing the rotating cylinder 7, of the bending pipe 322 is provided with a bronchus 8, and the orientation of the bronchus 8 is perpendicular to the side face of the rotating cylinder 7.
As shown in fig. 1, the upper and lower inner walls of the reaction chamber 2 are respectively provided at two ends with an upper guide sleeve 11 and a lower guide sleeve 12 through which the main vent pipe 31 can pass, and the upper guide sleeve 11 and the lower guide sleeve 12 are provided to guide the rotation of the rotating device 3, so that the rotating device 3 is more stable in the rotating process.
As shown in fig. 2, the cross section of the rotary drum 7 is a regular pentagon, and by providing the rotary drum 7 having a regular pentagon cross section, when the gas flows out from the branch pipe 8 toward the rotary drum 7, the rotary drum 7 can be continuously rotated by continuously switching five sides, deposits on the rotary drum 7 itself can be continuously thrown off, and the rotary drum 7 can also be scraped off deposits on the inner wall of the reaction chamber 2 by switching five sides, thereby improving the cleaning efficiency.
As shown in fig. 2 and 3, the plurality of auxiliary ventilation pipes 32 are uniformly distributed along the peripheral side of the main ventilation pipe 31 at equal intervals, in this embodiment, the number of the auxiliary ventilation pipes 32 is four, and by arranging the four auxiliary ventilation pipes 32 uniformly distributed at equal intervals, the stress of the auxiliary ventilation pipes 32 in the rotating process can be more uniform, and the whole rotating process is further more stable and durable.
As shown in fig. 4, both ends that vice breather pipe 32 and main breather pipe 31 lateral wall are connected all are provided with spacing calorie of pearl 9, spacing calorie of pearl 9 is connected on vice breather pipe 32 through spring 10, when installing vice breather pipe 32, insert vice breather pipe 32 toward the mounting hole on the main breather pipe 31, spacing calorie of pearl 9 atress shrink, at this moment insert vice breather pipe 32 in the main breather pipe 31, under the effect of spring 10, one of them spacing calorie of pearl 9 resets, make two spacing calorie of pearl 9 be located main breather pipe 31 lateral wall both ends, accomplish the installation, whole installation is easy and simple to handle and labour saving and time saving.
One specific application of this embodiment is:
when the utility model is used, firstly, inert gas is introduced into the reactor body 1 through the inflow opening 5, the gas flows into the main vent pipe 31 from the inflow opening 5, then the gas flows into a plurality of auxiliary vent pipes 32 communicated with the main vent pipe 31, blows out the gas through the straight pipe 321 and the bent pipe 322, and then blows out the gas to the inner wall of the reaction chamber 2, under the reaction action of the inner wall of the reaction chamber 2, the auxiliary vent pipes 32 rotate, the main vent pipe 31 rotates under the coordination of the upper guide sleeve 11 and the lower guide sleeve 12 and drives the connecting shaft 6 and the rotary cylinder 7 to rotate circumferentially around the inner wall of the reaction chamber 2, so that the rotary cylinder 7 cleans deposits adhered on the inner wall of the reaction chamber 2, wherein a part of the gas through the bent pipe 322 is blown out through the branch pipe 8, the rotary cylinder 7 rotates around the connecting shaft 6 under the action of the gas blown out by the branch pipe 8, so that the rotary cylinder 7 cleans the deposits adhered on the rotary cylinder itself, the cross-section of rotatory section of thick bamboo 7 is regular pentagon, constantly switch through five sides, on the one hand can make rotatory section of thick bamboo 7 constantly carry out the rotation, deposit on with self is thrown away and falls, on the other hand also can strike off the deposit on 2 inner walls of reacting chamber by the switching of a five side, improve clean efficiency, wherein, when installing vice breather pipe 32, insert vice breather pipe 32 toward the mounting hole on the main breather pipe 31, spacing calorie of pearl 9 atress shrink, at this moment insert vice breather pipe 32 in the main breather pipe 31, under spring 10's effect, make two spacing calorie of pearl 9 block main breather pipe 31, whole installation is easy and simple to handle and labour saving and time saving.
In summary, the rotary device 3 and the rotary drum 7 can clean deposits adhered to the inner wall of the reaction chamber 2 and self-clean deposits on the rotary drum 7, thereby improving the service efficiency of the fluidized bed equipment and being capable of being used for a long time.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An apparatus for producing carbon nanotubes by a fluidized bed, comprising a fluidized bed reactor body (1) having a reaction chamber (2), a rotating means (3) disposed in the reaction chamber (2), and an outflow port (4) disposed at an upper end of the reactor body (1) for gas to flow out, characterized in that: the rotating device (3) comprises a main breather pipe (31) which is rotatably connected in the reaction chamber (2) and a plurality of auxiliary breather pipes (32) which are arranged at the two ends of the main breather pipe (31), one end of the main breather pipe (31) is arranged at the top of the reaction chamber (2), the other end of the main breather pipe penetrates through the bottom of the reaction chamber (2) and extends to the outer side of the reactor body (1) to form an inflow port (5) for air to flow in, the auxiliary breather pipes (32) are composed of a straight pipe (321) and a bent pipe (322) forming a certain angle with the straight pipe (321), a connecting shaft (6) is arranged between the auxiliary breather pipes (32) along the vertical direction of the reactor body (1), a rotating cylinder (7) is sleeved outside the connecting shaft (6), the side edge of the rotating cylinder (7) is contacted with the inner wall of the reaction chamber (2), one side of the bending pipe (322) close to the rotary cylinder (7) is provided with a bronchus (8).
2. The apparatus for manufacturing carbon nanotubes using a fluidized bed according to claim 1, wherein: two ends of the side wall of the main vent pipe (31) connected with the auxiliary vent pipe (32) are respectively provided with a limiting clamping bead (9), and the limiting clamping beads (9) are connected onto the auxiliary vent pipe (32) through springs (10).
3. The apparatus for manufacturing carbon nanotubes using a fluidized bed according to claim 1, wherein: an upper guide sleeve (11) and a lower guide sleeve (12) which can be penetrated by the main vent pipe (31) are respectively arranged at the two ends of the upper inner wall and the lower inner wall of the reaction chamber (2).
4. The apparatus for manufacturing carbon nanotubes using a fluidized bed according to claim 1, wherein: the auxiliary vent pipes (32) are uniformly distributed along the peripheral side of the main vent pipe (31) at equal intervals.
5. The apparatus for manufacturing carbon nanotubes using a fluidized bed according to claim 1, wherein: the section of the rotary cylinder (7) is regular pentagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022572162.6U CN215326953U (en) | 2020-11-10 | 2020-11-10 | Equipment for producing carbon nano tube by fluidized bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022572162.6U CN215326953U (en) | 2020-11-10 | 2020-11-10 | Equipment for producing carbon nano tube by fluidized bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215326953U true CN215326953U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022572162.6U Active CN215326953U (en) | 2020-11-10 | 2020-11-10 | Equipment for producing carbon nano tube by fluidized bed |
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| Country | Link |
|---|---|
| CN (1) | CN215326953U (en) |
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- 2020-11-10 CN CN202022572162.6U patent/CN215326953U/en active Active
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