TWI635898B - Catalytic catalytic reaction gas guiding tube structure - Google Patents

Abstract

A catalyst catalytic reaction gas guiding tube structure comprises an outer tube, a middle guiding tube and a gas outlet, wherein the central guiding tube is coaxially received and positioned in the outer tube, and A socket is formed at the bottom. The inner tube is coaxially received and positioned in the middle flow guiding tube, and the bottom end of the inner tube and the receiving portion are defined as a reaction zone. After the reaction gas system is introduced from the gas inlet, the gas is introduced into the first vertical flow path formed between the inner wall surface of the outer tube and the outer wall surface of the inner tube, at least one through hole, and the center guide A second vertical flow path between the inner wall surface of the flow tube and the outer wall surface of the inner tube, the reaction zone, the hollow passage of the inner tube, and finally the gas flow outlet are led out.

Description

Catalytic catalytic reaction gas guiding tube structure

The invention relates to a structural design of a reactor module, in particular to a catalyst catalytic reaction gas guiding pipe structure of a reactor module.

Charnylene carbon nanotubes and graphene (Graphene) are composed of carbon atoms, but the atomic arrangement method is different. Since these two materials have better electrical conductivity, thermal conductivity and material strength than niobium, they have great potential for industrial utilization.

In terms of the process of the carbon nanotubes, various methods such as an arc discharge method, an electric furnace heating method, and a thermal cracking chemical vapor phase synthesis method are employed. For example, in the case of growing graphene by pyrolysis chemical vapor phase synthesis, a reaction gas such as hydrogen, argon or methane is used as a carbon source to grow on a substrate under a preset temperature, pressure, and gas flow rate. Graphene.

Catalyst plays a very important role in the formation of graphene, and its structure and crystal orientation of the graphene are greatly related to the size and type of the catalyst. In order to analyze and sample the characteristics of the carbon nanotubes or graphene, a manufacturer has designed a reaction tester for the product. Furthermore, the design of the gas flow path inside the reactor module is also very important. How to design a reactor flow channel with good reaction effect is an important issue for the research and development of the industry.

It is an object of the present invention to provide a catalyst catalytic reaction gas conduit body structure for a reactor module of carbon nanotubes, graphene or other nanomaterials to achieve an optimum gas reaction.

The technical means adopted in the present invention comprises an outer tube, a middle guiding tube and a gas outlet in the reaction gas guiding structure, wherein the central guiding tube is coaxially received and positioned in the outer tube, And a bottom portion is formed at the bottom. The inner tube is coaxially received and positioned in the middle flow guiding tube, and the bottom end of the inner tube and the receiving portion are defined as a reaction zone. After the reaction gas system is introduced from the gas inlet, the gas is introduced into the first vertical flow path formed between the inner wall surface of the outer tube and the outer wall surface of the inner tube, at least one through hole, and the center guide A second vertical flow path between the inner wall surface of the flow tube and the outer wall surface of the inner tube, the reaction zone, the hollow passage of the inner tube, and finally the gas flow outlet are led out.

In terms of effects, the present invention provides a gas guiding structure of a reactor module prepared by catalytically catalyzing a carbon nanotube, graphene or other nano material to provide a longer reaction gas passage, prolong the reaction gas lag time, and uniform reaction. The surface, uniform heating, and uniform gas reaction, thereby achieving a good catalyst catalytic reaction effect of the reactor module.

The specific embodiments of the present invention will be further described by the following examples and the accompanying drawings.

1‧‧‧fuel supply module

2‧‧‧ gas mixing module

3‧‧‧heating reaction module

4‧‧‧Reactor module

41‧‧‧External management

411‧‧‧ Hollow

412‧‧‧Air inlet

413‧‧‧Air outlet

414‧‧‧through holes

42‧‧‧Intermediate guide tube

42a‧‧‧flow sleeve

42b‧‧‧drain cap

421‧‧‧ 承部

43‧‧‧Inside

431‧‧‧ bottom end of the inner tube

432‧‧‧ hollow channel

5‧‧‧Cooling filter module

A‧‧‧Reactive gas

B‧‧‧Reagents

H1‧‧‧ gas introduction area

H2‧‧‧Reaction zone

T‧‧‧temperature measuring element

V1‧‧‧ first vertical flow path

V2‧‧‧ second vertical flow path

Figure 1 shows a schematic of the piping system of the present invention.

Figure 2 shows a perspective view of the reactor module of the present invention.

Fig. 3 is a perspective exploded view showing the separation of the relevant components of the reactor module in the present invention.

Figure 4 shows a cross-sectional view of a reactor module of the present invention.

Figure 5 shows a schematic diagram of internal gas flow guidance of the reactor module of the present invention.

Referring to FIG. 1 , it is a schematic diagram of a piping system of the present invention, which shows that the reaction testing system mainly includes a fuel supply module 1 , a gas mixing module 2 , a heating reaction module 3 , and a reactor module 4 . a cooling filter module 5.

The fuel supply module 1 includes a plurality of control valve members for supplying the reaction gas A required for the reaction, for example, the reaction gas A includes hydrogen, carbon dioxide, carbon monoxide, nitrogen, argon, sulfur oxide, hydrogen sulfide, methane or the like. One of the hydrocarbon gases.

The reaction gas supplied from the fuel supply module 1 is supplied to the reactor module 4 through the gas mixing module 2 for reaction, and is heated by the heating reaction module 3. The gas after completion of the reaction can be cooled and filtered by the cooling filter module 5 before being discharged.

2 is a perspective view showing the reactor module 4 of the present invention, FIG. 3 is an exploded perspective view showing the related components of the reactor module 4 in the present invention, and FIG. 4 is a cross-sectional view showing the reactor module 4 of the present invention. . The reactor module 4 includes a reactive gas flow guiding structure including:

An outer tube 41 has a hollow portion 411, and the bottom portion of the outer tube 41 forms an air flow inlet 412. The outer annular surface of the outer tube 41 is coupled to the heating reaction module 3 to heat the reaction gas in the heating reaction module 3.

A middle guide tube 42 has a smaller diameter than the outer tube 41 and can be coaxially received and positioned in the hollow portion 411 of the outer tube 41. The central guide tube 42 forms at least one through hole 414 at a position intermediate the middle portion. The bottom of the central guiding tube 42 forms an receiving portion 421, and the bottom surface of the receiving portion 421 A space is maintained between the gas flow inlet 412 of the outer tube 41 and is defined as a gas introduction zone H1. A temperature measuring element T (for example, a thermocouple) may be disposed in the gas introduction region H1 for sensing the temperature of the gas introduction region H1.

In the preferred embodiment, the central draft tube 42 includes a flow guiding sleeve 42a and a flow guiding end cap 42b, wherein the bottom end of the guiding sleeve 42a is detachably coupled to the flow guiding end cap 42b. top. For example, the bottom end of the flow guiding sleeve 42a may be provided with a threaded structure, and a corresponding threaded structure is provided at the top of the flow guiding end cap 42b, so that the guiding end cap 42b can be screwed to the guiding sleeve 42a.

An inner tube 43 having a smaller diameter than the central guide tube 42 can be coaxially received by the top open end of the central guide tube 42 and positioned therein. The inner tube bottom end 431 of the inner tube 43 and the receiving portion 421 of the central flow guiding tube 42 have a spacing between them and is defined as a reaction area H2 for receiving an appropriate amount of the reactant B (for example, a catalyst). The inner tube 43 has a hollow passage 432 and communicates with the air outlet 413.

In the preferred embodiment, the outer tube 41, the intermediate tube 42 and the inner tube 43 may be made of one of a stainless steel material, a ceramic material or an alloy material such as an Inconel alloy or other alloy material. In the preferred embodiment of the present invention, for example, the outer tube 41 can be made of a stainless steel material, and the middle guide tube 42 and the inner tube 43 can be made of a ceramic material, and has good pressure resistance and temperature resistance.

Figure 5 shows a schematic diagram of internal gas flow guidance of the reactor module of the present invention. As shown in the figure, the reaction gas A is introduced into the gas inlet 412 of the outer tube 41, and passes through the gas introduction zone H1 between the bottom surface of the receiving portion 421 of the intermediate flow guiding tube 42 and the inside of the outer tube 3. a first vertical flow path V1 formed between the wall surface and the outer wall surface of the central flow guiding tube 4, the through hole 414, and an inner wall surface of the central guiding tube 42 The second vertical flow path V2 between the outer wall surfaces of the inner tube 43 and the reaction area H2, the hollow passage 432 of the inner tube 43, and the air flow outlet 413 are led out.

After the catalytic preparation step of the carbon nanotube, graphene or other nano material is completed, the intermediate draft tube 42 together with the inner tube 43 can be taken out from the top of the outer tube 41, and the flow guiding end cap 42b can be diverted. The sleeve 42a is separated, and the product generated in the bottom section of the inner tube 43 can be sampled and taken out for subsequent characteristic analysis and detection.

Since the reactor module of the invention has a special gas guiding structure, it can provide a reaction gas passage with a long reaction gas and prolong the reaction gas stagnant time. In particular, when the reaction gas A is introduced into the hollow passage 432 of the inner tube 43 from the second vertical flow path V2, a reaction gas from the outer and inner radiation directions is generated at the peripheral edge of the inner tube bottom end 431 of the inner tube 43. A, by the surface of the object B to be placed on the receiving portion 421, the reaction gas and the surface of the object to be reacted are uniformly heated and uniformly gas-reacted, thereby achieving a good catalyst catalytic reaction of the reactor module. effect.

The above embodiments are merely illustrative of the structural design of the present invention and are not intended to limit the present invention. Any modifications and variations of the above-described embodiments can be made by those skilled in the art, and such changes are still within the spirit of the invention and the scope of the invention as defined below. Therefore, the scope of protection of the present invention should be as set forth in the appended claims.

Claims (8)

A catalyst catalytic reaction gas guiding tube structure has a reaction gas guiding structure, a gas flow inlet and an air flow outlet in a reactor module, wherein the reaction gas guiding structure comprises: an outer tube Having a hollow portion, the bottom portion of the outer tube forms an air flow inlet; a central guide tube having a smaller diameter than the outer tube, and coaxially accommodating the hollow portion of the outer tube The middle portion of the central guide tube forms at least one through hole, and the bottom portion of the central guide tube forms an receiving portion for receiving an appropriate amount of catalyst, and the bottom surface of the receiving portion and the outer tube Forming a gas introduction zone between the gas flow inlets; a temperature measuring component disposed in the gas introduction zone for sensing the temperature of the gas introduction zone; and an inner pipe having a pipe diameter smaller than the central flow guiding pipe The tube diameter is small, and the top open end of the middle tube can be coaxially received and positioned in the center tube, and the bottom end of the inner tube and the center tube are mounted. There is a spacing between the sections and is defined as a reaction zone, the inner tube has a hollow channel, Connected to the airflow outlet; after the reaction gas is introduced from the airflow inlet, a first vertical flow path formed between the gas introduction zone, the inner wall surface of the outer pipe and the outer wall surface of the central draft tube, a through hole, a second vertical flow path formed between the inner wall surface of the central draft tube and the outer wall surface of the inner tube, the reaction zone, the hollow passage of the inner tube, and then the air outlet . The catalyst catalytic reaction gas guiding tube structure according to the first aspect of the patent application, wherein the central guiding tube comprises: a flow guiding sleeve, wherein a bottom end is provided with a thread structure, and the through hole is opened in the a flow guiding sleeve; a guiding end cap having a corresponding thread structure corresponding to the threaded structure of the guiding sleeve, such that the guiding end cap is screwed to the guiding sleeve. The catalyst catalytic reaction gas guiding tube structure of claim 1, wherein the reaction gas comprises hydrogen, carbon dioxide, carbon monoxide, nitrogen, argon, sulfur oxide, hydrogen sulfide, methane or other hydrocarbon hydrocarbon gas. One. For example, in the catalyst catalytic reaction gas guiding tube structure of claim 1, wherein the outer annular surface of the outer tube is further combined with a heating reaction module. The catalyst catalytic reaction gas guiding tube structure according to the first aspect of the patent application, wherein the outer tube, the central guiding tube and the inner tube are made of one of a stainless steel material, a ceramic material and an alloy material. A catalyst catalytic reaction gas guiding tube structure has a reaction gas guiding structure, a gas flow inlet and an air flow outlet in a reactor module, wherein the reaction gas guiding structure comprises: a center a guiding tube, the bottom of the central guiding tube forming an receiving portion for receiving an appropriate amount of the catalyst, the central guiding tube comprising: a guiding sleeve, the bottom end of which is provided with a thread structure; a guiding flow An end cap having a corresponding thread structure corresponding to the threaded structure of the flow guiding sleeve, such that the flow guiding end cap is screwed to the guiding sleeve; an inner tube having a smaller diameter than the center guiding The diameter of the flow tube is small, and the top open end of the middle flow guide tube can be coaxially received and positioned in the middle flow guide tube, and the bottom end of the inner tube of the inner tube and the middle guide tube The receiving portion has a spacing between each other and is defined as a reaction zone. The inner tube has a hollow passage and communicates with the air outlet; the reaction gas is introduced into the central guiding tube after being introduced by the airflow inlet. a second vertical flow path formed between the inner wall surface and the outer wall surface of the inner tube, the reaction The hollow channel of the inner tube, and then derived from the gas stream outlet. The catalyst catalytic reaction gas guiding tube structure according to claim 6 of the patent scope, wherein the reaction gas comprises hydrogen, carbon dioxide, carbon monoxide, nitrogen, argon, sulfur oxide, hydrogen sulfide, methane or other hydrocarbon hydrocarbon gas. One. For example, the catalyst catalytic reaction gas guiding tube structure of the sixth aspect of the patent application, wherein the middle guiding tube and the inner tube are made of one of a stainless steel material, a ceramic material and an alloy material.