Carbon nanotube nano-catalyst preparation device

By designing a carbon nanotube nanocatalyst preparation device, the inert gas and solid raw materials are fully mixed by using a reflux tube and an atomization device. This solves the problems of insufficient reaction and high cost caused by improper control of raw material dosage in the existing technology, thereby improving the preparation efficiency and reducing the cost.

CN223683519UActive Publication Date: 2025-12-19FUJIAN ZHONGHE NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202423263537.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-19
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing methods for preparing nanocatalysts cannot control the amount of raw materials used, resulting in incomplete reactions, low efficiency, and high costs.

Method used

A device for preparing carbon nanotube nanocatalysts was designed. By setting up a reflux pipe, a gas outlet, an atomizing box, an atomizer body, and a nozzle, the device achieves full mixing of inert gas and solid raw materials. The reflux pipe avoids gas waste, and the atomizing device increases the contact area between the solution and the solid raw materials.

Benefits of technology

This method achieves thorough mixing of catalyst raw materials, improves preparation efficiency, reduces costs, and avoids raw material waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a carbon nanotube nano catalyst preparation device which comprises a preparation box, a heating box, an atomization device and a gas storage chamber, the gas storage chamber is connected with the heating box through a gas delivery pipe, a return pipe penetrating through the preparation box is arranged between the side wall and the top end of the heating box, and a plurality of groups of gas outlets are formed in the section, located in the preparation box, of the return pipe. The atomization device comprises an atomization box, an atomizer body and a nozzle. According to the solid raw material preparation device, after inert gas is heated by the heating box, the heated inert gas is introduced into the preparation box through the gas outlet hole by utilizing the return pipe to be mixed with solid raw materials, and redundant inert gas is introduced back into the heating box again through the return pipe, so that the waste of the inert gas is avoided; the mixed solution is introduced into the atomization machine body for atomization operation, so that solid raw materials, inert gas and the mixed solution are fully mixed, and waste of the raw materials can be avoided while the catalyst raw materials are fully mixed through the arrangement of the device.
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Description

TECHNICAL FIELD

[0001] The utility model relates to catalyst preparation equipment technical field, concretely is a kind of carbon nanotube nano catalyst preparation device. BACKGROUND

[0002] Carbon nanotube is one-dimensional nanometer material, light in weight, hexagonal structure connection perfect, with many abnormal mechanics, electricity and chemical performance, in recent years with the in-depth research of carbon nanotube and nanometer material its broad application prospect is constantly revealed.In the preparation of carbon nanotube process, nano catalyst is essential, however the existing nano catalyst preparation method is to directly pass each raw material into preparation box and prepare, cannot control the dosage of raw material, makes its reaction insufficient, while the cost is higher in the low production efficiency.Therefore, in view of the above technical problem, a kind of carbon nanotube nano catalyst preparation device is presented. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of carbon nanotube nano catalyst preparation device, by setting backflow pipe, air outlet, atomization box, atomizer body and spray head, to solve the problem presented in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of carbon nanotube nano catalyst preparation device, including preparation box, heating box, atomization device and gas storage chamber, the gas storage chamber is connected with heating box by gas pipe, the heating box side wall is provided with the backflow pipe passing through preparation box between top end, the backflow pipe is located in preparation box and is provided with multiple air outlets in a section;

[0005] The atomization device is set on preparation box upper end by connecting pipe, and the atomization device includes atomization box, the atomization box inner chamber top surface is provided with atomizer body, the atomizer body is connected with spray head, the connecting pipe includes first connecting pipe, the first connecting pipe is set on atomization box outlet, the first connecting pipe lower end is connected with multiple second connecting pipes, and the second connecting pipe lower end is communicated with preparation box top end.

[0006] As a preferred scheme, the air outlet of each group is staggered.

[0007] As a preferred scheme, the preparation box lower end is provided with conical hopper, and the conical hopper is provided with detachable baffle between the preparation box.

[0008] As a preferred scheme, the conical hopper is connected with vacuum freeze drying machine through discharge pipe below.

[0009] As a preferred scheme, the preparation box upper side outer wall is provided with feed inlet.

[0010] As a preferred scheme, the heating tank is internally fixedly provided with a heating pipe, which is a ring-shaped heating pipe.

[0011] As a preferred scheme, the liquid inlet end of the atomizer body is provided with a liquid inlet pipe, and an end of the liquid inlet pipe away from the atomizer body extends out of the atomizing tank.

[0012] As a preferred scheme, the gas storage chamber is provided with a gas inlet pipe above the gas storage chamber, and the other end of the gas inlet pipe is connected with the inert gas generator.

[0013] From the above technical scheme of the utility model provided, the utility model provides a kind of carbon nanotube nanometer catalyst preparation device, and beneficial effect is:

[0014] In the utility model, first, solid raw materials are placed in the preparation tank, a reflux pipe passing through the preparation tank is arranged between the side wall and the top end of the heating tank, a section of the reflux pipe in the preparation tank is provided with a plurality of gas outlet holes, after the inert gas is heated by the heating tank, the heated inert gas is introduced into the preparation tank through the gas outlet holes by the reflux pipe, and the inert gas is mixed with the solid raw materials, the excess inert gas is reintroduced into the heating tank through the reflux pipe, to avoid waste of inert gas, and the mixed solution prepared in advance is introduced into the atomizer body to perform atomization operation, and then the atomized solution is sprayed out of the atomizing tank through the spray head, the mixed solution is introduced into the preparation tank through the first connecting pipe and the plurality of second connecting pipes, and the mixed solution is sprayed on the solid raw materials after atomization operation, to fully mix the solid raw materials, inert gas and mixed solution, by the above arrangement, the catalyst raw materials are fully mixed, and waste of raw materials is avoided, to improve work efficiency and reduce cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the carbon nanotube nanometer catalyst preparation device of the utility model;

[0016] Figure 2 It is a front view of the carbon nanotube nanometer catalyst preparation device of the utility model;

[0017] Figure 3 It is an atomizing device structure schematic view of the carbon nanotube nanometer catalyst preparation device of the utility model.

[0018] In the figure: 1, preparation box; 2, heating box; 3, atomization device; 4, vacuum freeze dryer; 5, connecting pipe; 6, air reservoir; 11, conical funnel; 12, baffle; 13, feed inlet; 14, discharge pipe; 21, heating pipe; 22, return pipe; 23, air outlet; 31, atomization box; 32, atomizer body; 33, spray head; 34, liquid inlet pipe; 51, first connecting pipe; 52, second connecting pipe; 61, gas conveying pipe; 62, gas inlet pipe. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will combine with the drawings and examples to make further detailed description of the utility model. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0020] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0021] In the description of the utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0022] In addition, the terms "first", "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0023] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings and specific embodiments of the specification.

[0024] As Figures 1-3As shown in the utility model embodiment provides a kind of carbon nanotube nano catalyst preparation device, including preparation box 1, heating box 2, atomizing device 3 and gas storage chamber 6, the gas storage chamber 6 is connected with heating box 2 by gas pipe 61, the heating box 2 side wall is provided with the backflow pipe 22 passing through preparation box 1 between top end, the backflow pipe 22 is located in preparation box 1 and is provided with multiple groups of air outlet hole 23 in a section;

[0025] The atomizing device 3 is arranged on the upper end of the preparation box 1 through the connecting pipe 5, and the atomizing device 3 includes an atomizing box 31. The inner cavity top surface of the atomizing box 31 is provided with an atomizer body 32. The atomizer body 32 is connected with a spray head 33. The connecting pipe 5 includes a first connecting pipe 51. The first connecting pipe 51 is arranged on the outlet of the atomizing box 31. The lower end of the first connecting pipe 51 is connected with multiple second connecting pipes 52. The lower end of the second connecting pipe 52 is connected with the top end of the preparation box 1 in communication.

[0026] The preparation box 1 is used for the preparation of catalyst. The heating box 2 is used for heating inert gas, such as nitrogen. The inert gas that is introduced into the preparation box 1 meets the preparation conditions of the catalyst. The gas storage chamber 6 is used for storing inert gas. The backflow pipe 22 is arranged between the side wall and the top end of the heating box 2 and passes through the preparation box 1. A section of the backflow pipe 22 located in the preparation box 1 is provided with multiple groups of air outlet holes 23. After the inert gas is heated by the heating box 2, the heated inert gas is introduced into the preparation box 1 through the air outlet holes 23 of the backflow pipe 22 and mixed with the solid raw materials. The excess inert gas is reintroduced into the heating box 2 through the backflow pipe 22, avoiding the waste of inert gas. The atomizing device 3 is connected with the preparation box 1 through the first connecting pipe 51 and the second connecting pipe 52. The atomizing device 3 includes the atomizing box 31, the atomizer body 32 and the spray head 33. The prepared mixed solution is introduced into the atomizer body 32 for atomization operation. The atomized solution is sprayed out of the atomizing box 31 through the spray head 33 and introduced into the preparation box 1 through the first connecting pipe 51 and the second connecting pipe 52. The second connecting pipe 52 is arranged in multiple numbers to increase the contact area of the solution and the solid raw materials, so that the solid raw materials, the inert gas and the mixed solution are fully mixed. Through the above arrangement, the catalyst raw materials are fully mixed, and the waste of raw materials is avoided, the work efficiency is improved, and the cost is reduced.

[0027] As shown in the utility model embodiment, Figure 2 Each group of air outlet holes 23 is arranged alternately.

[0028] The air outlet holes 23 are arranged alternately to increase the contact area of the inert gas and the fixed raw materials, so that the inert gas and the solid raw materials are contacted at different positions, avoiding the situation that only part of the positions react, reducing the reaction speed between the raw materials, and improving the preparation efficiency of the catalyst.

[0029] As Figure 2 shown, the preparation box 1 lower end is provided with a conical hopper 11, and the conical hopper 11 is provided with a removable baffle 12 between the conical hopper 11 and the preparation box 1.

[0030] Wherein, the conical hopper 11 is arranged at the lower end of the preparation box 1, and the conical hopper 11 is provided with a removable baffle 12 between the conical hopper 11 and the preparation box 1, but the raw materials are reacted in the preparation box 1, and after the preliminary preparation is completed, the baffle 12 is removed, and the preliminary completed catalyst is sent out of the preparation box 1 along the conical hopper 11, and the conical hopper 11 is arranged to ensure the success of the catalyst discharging.

[0031] As Figure 2 shown, the conical hopper 11 is connected with a vacuum freeze dryer 4 through a discharge pipe 14 below the conical hopper 11.

[0032] Wherein, the preliminary completed catalyst is introduced into the vacuum freeze dryer 4 through the discharge pipe 14 for freeze drying, so as to ensure that the prepared catalyst has no excess moisture, and avoid that the catalyst is interfered by moisture to reduce the strength of the catalyst.

[0033] As Figure 2 shown, the preparation box 1 upper side outer wall is provided with a feeding port 13.

[0034] Wherein, the feeding port 13 is arranged on the upper side outer wall of the preparation box 1, which is used for putting the solid raw materials into the preparation box 1.

[0035] As Figure 2 shown, the heating box 2 is fixedly provided with a heating pipe 21, and the heating pipe 21 is a ring-shaped heating pipe.

[0036] Wherein, the ring-shaped heating pipe 21 is arranged in the heating box 2, which can increase the area of the inert gas acting on the heating pipe 21 during heating of the inert gas, and improve the heating efficiency.

[0037] As Figure 2 shown, the liquid inlet end of the atomizer body 32 is provided with a liquid inlet pipe 34, and the end of the liquid inlet pipe 34 away from the atomizer body 32 extends out of the atomization box 31.

[0038] Wherein, the liquid inlet pipe 34 is used for introducing the mixed solution into the atomizer body 32 for atomization.

[0039] As Figure 2 shown, the gas storage chamber 6 is provided with an air inlet pipe 62 above the gas storage chamber 6, and the other end of the air inlet pipe 62 is connected with an inert gas generator.

[0040] Wherein, the air inlet pipe 62 is used for introducing the gas in the inert gas generator into the gas storage chamber 6.

[0041] The working principle of the embodiment is as follows: first, the inert gas in the gas storage chamber 6 is introduced into the heating box 2, heated by the annular heating pipe 21 in the heating box 2, and then introduced into the preparation box 1 through the outlet hole 23 by the reflux pipe 22 after being heated, and mixed with the solid raw material, the excess inert gas is introduced back into the heating box 2 through the reflux pipe 22, avoiding waste of the inert gas, at the same time, the mixed solution prepared in advance is introduced into the atomizer body 32 for atomization operation, then the atomized solution is sprayed out of the atomization box 31 through the spray head 33, introduced into the preparation box 1 through the first connecting pipe 51 and the second connecting pipe 52, the second connecting pipe 52 is provided in multiple, which can increase the contact area of the solution and the solid raw material, so that the solid raw material, the inert gas and the mixed solution are fully mixed, and the preliminary preparation is completed, the baffle 12 is separated, the preliminarily prepared catalyst is introduced into the vacuum freeze dryer 4 along the conical funnel 11 and the discharge pipe 14 for freeze drying.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A carbon nanotube nanocatalyst preparation device, comprising a preparation box (1), a heating box (2), an atomization device (3) and a gas storage chamber (6), characterized in that: The gas storage chamber (6) is connected with the heating box (2) through a gas conveying pipe (61), a backflow pipe (22) is arranged between the side wall and the top end of the heating box (2) and passes through the preparation box (1), and a section of the backflow pipe (22) in the preparation box (1) is provided with a plurality of groups of air outlet holes (23); The atomization device (3) is arranged on the upper end of the preparation box (1) through a connecting pipe (5), the atomization device (3) comprises an atomization box (31), the inner cavity top surface of the atomization box (31) is provided with an atomizer body (32), the atomizer body (32) is connected with a spray head (33), the connecting pipe (5) comprises a first connecting pipe (51), the first connecting pipe (51) is arranged on the outlet of the atomization box (31), a plurality of second connecting pipes (52) are connected with the lower end of the first connecting pipe (51), and the lower end of the second connecting pipe (52) is connected with the top end of the preparation box (1) in communication.

2. The carbon nanotube nanocatalyst production apparatus according to claim 1, wherein: The air outlet holes (23) are arranged alternately.

3. The carbon nanotube nanocatalyst production apparatus according to claim 1, wherein: A conical hopper (11) is arranged at the lower end of the preparation box (1), and a detachable baffle (12) is arranged between the conical hopper (11) and the preparation box (1).

4. The carbon nanotube nanocatalyst production apparatus according to claim 3, wherein: A vacuum freeze dryer (4) is connected with the conical hopper (11) through a discharging pipe (14).

5. The carbon nanotube nanocatalyst production apparatus according to claim 4, wherein: A feeding port (13) is arranged on the outer wall of the upper side of the preparation box (1).

6. The carbon nanotube nanocatalyst production apparatus according to claim 1, wherein: A heating pipe (21) is fixedly arranged in the heating box (2), and the heating pipe (21) is a ring-shaped heating pipe.

7. The carbon nanotube nanocatalyst production apparatus according to claim 1, wherein: A liquid inlet pipe (34) is arranged at the liquid inlet end of the atomizer body (32), and one end of the liquid inlet pipe (34) away from the atomizer body (32) extends out of the atomization box (31).

8. The carbon nanotube nanocatalyst production apparatus according to claim 1, wherein: An air inlet pipe (62) is arranged above the gas storage chamber (6), and the other end of the air inlet pipe (62) is connected with an inert gas generator. An air inlet pipe (62) is arranged above the gas storage chamber (6), and the other end of the air inlet pipe (62) is connected with an inert gas generator.