CN211688269U - Equipment for continuously preparing carbon material through gas-solid reaction - Google Patents
Equipment for continuously preparing carbon material through gas-solid reaction Download PDFInfo
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- CN211688269U CN211688269U CN201922345960.2U CN201922345960U CN211688269U CN 211688269 U CN211688269 U CN 211688269U CN 201922345960 U CN201922345960 U CN 201922345960U CN 211688269 U CN211688269 U CN 211688269U
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Abstract
The utility model relates to a continuous preparation carbon material's equipment. An apparatus for continuously producing a carbon material by a gas-solid reaction, comprising: the reactor barrel is horizontally arranged, a feeding hole is formed in one end of the reactor barrel, a discharging hole is formed in the other end of the reactor barrel, a material guide plate is arranged on the inner wall of the reactor barrel from the feeding hole to the discharging hole, the reactor barrel is sequentially divided into a catalyst activation section, a first reaction section, a second reaction section and a discharging section, an included angle is formed between the material guide plate and the reactor barrel, a catalyst and a carbon source gas continuously enter the reactor, the temperature rapidly reaches the reaction temperature under the action of an external heating device, the reactor barrel moves directionally around a central shaft of the reactor, the catalyst slowly moves forwards under the action of the material guide plate and fully contacts with the carbon source gas in the reactor to react, and finally, the continuously prepared carbon material and hydrogen are obtained. The utility model provides a novel means of controllable, the continuous production carbon material of growth.
Description
Technical Field
The utility model belongs to chemical industry technology preparation carbon material field, concretely relates to equipment of gas-solid reaction continuous preparation carbon material.
Background
The carbon material has various and unique characteristics such as excellent mechanics, electricity, heat transfer, unique radar wave absorption performance and the like due to the special structure and shape, so that the carbon material is widely applied to the fields of high-strength composite materials, high-efficiency heat-conducting composite materials, catalytic materials, electronic interference shielding materials, invisible materials, hydrogen storage, electronic devices, batteries, super capacitors, field emission displays, quantum wire templates, electron guns, sensors, microscope probes and the like, and promotes the rapid development of the synthesis technology. The large scale application of carbon materials requires speeding up the large scale production. In 1990's, subject to the state of the art, the production of large-scale carbon materials seems to be impossible. By 2000, intermittent reactions were only capable of producing a few grams per day. In 2005 or so, large-scale production of carbon materials was commercially practiced using fluidized bed reactors, which have high mass and heat transfer efficiency, large raw material throughput, and easy scale-up and continuous operation, but because the linear velocity of the raw material passing through the fluidized bed reactor is relatively high, the product produced has strong limitations, affecting the production capacity of the product. In contrast, the use of a fixed bed reactor allows control of some properties of the carbon material, but has the disadvantage that continuous production is not possible. Therefore, it is imperative to provide a method which is similar to the growth conditions of a fixed bed reactor and can realize continuous preparation of carbon materials.
The carbon material has the advantages of excellent heat resistance, high heat conductivity coefficient, good chemical inertness, high conductivity and the like, and is widely applied to the technical fields of metallurgy, chemical engineering, machinery, electronics, aviation and the like. In recent years, a large amount of mining and application of fossil resources lead to fossil resources to be in shortage day by day, the development and the application of carbon material receive very big restriction, the carbon material is important structural material and functional material, at present in chemical industry technical preparation, can not realize the means to the continuous preparation of carbon material yet, consequently, it is imperative to provide a method for utilizing chemical industry technical means to prepare carbon material in succession, utilize chemical raw materials to prepare various carbon materials, can reduce the manufacturing cost of carbon material, realize the sustainable development of carbon material, consequently, the utility model provides a novel technique that can prepare carbon material in succession.
Disclosure of Invention
The utility model aims at solving the problem of the preparation carbon material of above-mentioned chemical industry technical means, provide the new means of growing controllable, the mass production carbon material in succession, concretely relates to equipment of gas-solid reaction continuous preparation carbon material.
The technical scheme of the utility model lies in:
an apparatus for continuously producing a carbon material by a gas-solid reaction, comprising: the reactor barrel body is horizontally arranged, a feed inlet is formed in one end of the reactor barrel body, a discharge outlet is formed in the other end of the reactor barrel body, the reactor barrel body is sequentially divided into a catalyst activation section, a first reaction section, a second reaction section and a discharge section from the feed inlet to the discharge outlet, a material guide plate is arranged on the inner wall of the reactor barrel body, and an included angle is formed between the material guide plate and the reactor barrel body.
Preferably, the catalyst activation section, the first reaction section, the second reaction section and the discharge section occupy the following length proportions in the reactor cylinder: 4-6: 6-12: 6-12: 1-2.
The effect is as follows: the catalyst activation section, the first reaction section, the second reaction section and the discharge section in the reactor barrel are divided into reaction spaces with different lengths, so that reaction time and reaction spaces required by different stages can be provided, and the reactions in different stages are more sufficient and complete.
Preferably, the material guide plates are distributed on the inner wall of the reactor cylinder in a nearly spiral shape, and the number distribution ratio of the material guide plates in the catalyst activation section, the first reaction section, the second reaction section and the discharge section in the reactor cylinder is 8:4:2: 1.
Preferably, the catalyst activation section is provided with 16-32 guide plates; the first reaction section is provided with 8-24 material guide plates; the second reaction section is provided with 4-12 material guide plates; the discharging section is provided with 2-6 guide plates.
The effect is as follows: the material guide plates are distributed on the inner wall of the reactor cylinder in a nearly spiral shape so as to better push the catalyst and the generated carbon material to be continuously pushed forwards along with the directional rotation of the central shaft of the reactor cylinder and finally discharged out of the reactor cylinder; the reason that the added catalyst powder occupies a small volume is that more material guide plates are arranged at the catalyst activation section, so that the catalyst added into the reactor can move forwards in time to provide space for adding subsequent fresh catalyst; the reason that the material guide plates are arranged in the first reaction section and the second reaction section less than the material guide plates arranged in the previous reaction section is that the carbon material generated by the carbon source gas under the action of the catalyst is increased in volume, so that a larger space and a longer reaction time are required to be provided; in the discharge section, a small number of guide plates are provided to allow the deactivated catalyst and the resulting carbon material to be rapidly discharged from the reactor barrel.
Preferably, the vertical heights of the material guide plates in the catalyst activation section, the first reaction section, the second reaction section and the discharge section are sequentially increased.
The effect is as follows: the material guiding capability of the material guiding plate from the catalyst activation section to the material discharging section can be enhanced, and dead angles formed in the cylinder body of the reactor are avoided.
Preferably, the included angle between the material guide plate and the reactor cylinder body in the catalyst activation section, the first reaction section and the second reaction section is 10-45 degrees, and the included angle between the material guide plate and the reactor cylinder body in the discharge section is 50-80 degrees.
The effect is as follows: the included angles of the catalyst activation section, the first reaction section and the second reaction section are used for enabling the catalyst or the catalyst and the generated carbon material to be slowly pushed forward in the rotating reactor under the action of the material guide plate so as to ensure that the catalyst has sufficient activation time and sufficient reaction time and simultaneously ensure that the preparation process is continuously carried out; the angle of the discharge section is such that the deactivated catalyst and the prepared carbon material are rapidly discharged from the reactor, and the greater the angle in the reactor, the greater the rate at which the catalyst and carbon material advance in order to provide space for the subsequently deactivated catalyst and prepared carbon material.
Preferably, the feed inlet is provided with a baffle plate.
A method for continuously preparing carbon material by gas-solid reaction includes introducing carbon source gas and catalyst into a feed inlet of a reactor cylinder, heating the reactor cylinder by an external heating device to make the catalyst quickly reach reaction temperature at high temperature, enabling the reactor cylinder to move directionally around a central shaft of a reactor, enabling the catalyst to move forwards slowly under the action of a material guide plate, enabling the catalyst to pass through a catalyst activation section, a first reaction section, a second reaction section and a discharge section in sequence, enabling the catalyst to fully contact with the carbon source gas in the reactor to react, and finally obtaining continuously prepared carbon material and hydrogen.
The effect is as follows: under the heating condition, in the catalyst activation section, the carbon source gas is fully contacted with the catalyst in the catalyst activation section to generate reduction reaction, and a simple substance with catalytic activity is generated; in the first reaction section, the carbon source gas is subjected to cracking reaction on an active catalyst to generate carbon materials and hydrogen, the generated carbon materials are continuously increased along with the continuous reaction, and the carbon materials and the catalyst move forwards simultaneously under the action of a material guide plate of the first reaction section to enter a second reaction section; in the second reaction section, the carbon material and the catalyst continue to react, the activity of the catalyst begins to be gradually reduced along with the continuous increase of the volume of the carbon material generated by the reaction, and the carbon material and the catalyst with low activity move forwards under the action of the material guide plate of the second reaction section and enter the material discharge section; and in the discharging section, discharging the generated carbon material and the inactivated catalyst out of the reactor cylinder under the action of a material guide plate of the discharging section, and finally obtaining the continuously prepared carbon material.
Preferably, the carbon source gas comprises CO2、CO、CH4、C2H6、C3H8、C4H10The catalyst is a metal oxide catalyst.
Preferably, the heating device is an open electric heating furnace, and the reaction temperature in the reactor barrel is 470-900 ℃.
Drawings
FIG. 1 is a schematic front view of the reactor for continuously preparing carbon material by gas-solid reaction.
FIG. 2 is a side view of the reactor feed inlet for the continuous preparation of carbon material by gas-solid reaction of the present invention.
FIG. 3 is a side view of the reactor discharge port for continuously preparing carbon material by gas-solid reaction.
Reference numerals: 1-reactor cylinder, 2-catalyst activation section, 3-first reaction section, 4-second reaction section, 5-discharge section, 6-guide plate and 7-baffle plate.
Detailed Description
Example 1
An apparatus for continuously producing a carbon material by a gas-solid reaction, comprising: the reactor barrel 1 that the level set up, 1 one end of reactor barrel is provided with the feed inlet, and the other end is provided with the discharge gate, from the feed inlet to the discharge gate, divide into catalyst activation section 2, first reaction section 3, second reaction section 4 and row material section 5 with reactor barrel 1 in proper order, is provided with stock guide 6 at reactor barrel 1 inner wall, and stock guide 6 and reactor barrel 1 have the contained angle.
A method for continuously preparing a carbon material through gas-solid reaction comprises the steps of introducing a carbon source gas and a catalyst into a feed inlet of a reactor cylinder 1, heating the reactor cylinder 1 by an external heating device to enable the catalyst to rapidly reach a reaction temperature at a high temperature, enabling the reactor cylinder 1 to directionally move around a central shaft of a reactor, enabling the catalyst to slowly move forwards under the action of a guide plate 6, enabling the catalyst to sequentially pass through a catalyst activation section 2, a first reaction section 3, a second reaction section 4 and a discharge section 5, and enabling the catalyst to fully contact with the carbon source gas in the reactor to react to finally obtain a continuously prepared carbon material and hydrogen.
Example 2
The utility model provides an equipment of continuous preparation carbon material of gas-solid reaction, catalyst activation section 2, first reaction section 3, second reaction section 4 and row's material section 5 shared length proportion is in reactor barrel 1: 4: 6: 6: 1; the reaction space is divided into different lengths of reaction spaces, so that the reaction time and the reaction space required by different stages can be provided, and the reactions in different stages are more sufficient and complete.
The material guide plates 6 are distributed on the inner wall of the reactor cylinder 1 in a nearly spiral shape, so that the catalyst and the generated carbon material can be better pushed to continuously advance forwards along with the directional rotation of the central shaft of the reactor cylinder 1, the quantity distribution ratio of the material guide plates 6 in the catalyst activation section 2, the first reaction section 3, the second reaction section 4 and the discharge section 5 in the reactor cylinder 1 is 8:4:2:1, the catalyst activation section 2 occupies a small volume due to the added catalyst powder, the material guide plates 6 are densely distributed, so that the catalyst added into the reactor can move forwards in time to provide space for the subsequent addition of fresh catalyst, and 16 material guide plates 6 are arranged in the catalyst activation section 2; the volume of the carbon material generated by the carbon source gas in the first reaction section 3 under the action of the catalyst is increased continuously, and a larger space and a longer reaction time need to be provided, so that 8 material guide plates 6 are arranged in the first reaction section 3; the volume of the carbon material generated in the second reaction section 4 is further increased, and 4 material guide plates 6 are arranged in the second reaction section 4 in order to improve the reaction efficiency and the material guide rate; the discharge section 5 is provided with 2 guide plates 6 in order to allow the deactivated catalyst and the generated carbon material to be rapidly discharged out of the reactor cylinder 1.
The vertical heights of the material guide plates 6 in the catalyst activation section 2, the first reaction section 3, the second reaction section 4 and the discharge section 5 are sequentially increased; the material guiding capability of the material guiding plates 6 from the catalyst activating section 2 to the material discharging section 5 can be enhanced, and dead angles formed in the reactor barrel 1 can be avoided.
The included angle of the reactor cylinder 1 in the catalyst activation section 2, the first reaction section 3 and the second reaction section 4 is 10 degrees, so that the catalyst or the catalyst and the generated carbon material can be slowly pushed forward in the rotating reactor under the action of the material guide plate 6, thereby ensuring that the catalyst has sufficient activation time and sufficient reaction time and simultaneously ensuring that the preparation process is continuously carried out; the included angle between the material guide plate 6 and the reactor cylinder 1 in the discharge section 5 is 50 degrees, so that the inactivated catalyst and the prepared carbon material can be quickly discharged out of the reactor, and the larger the included angle is, the higher the forward propelling speed of the catalyst and the carbon material in the reactor is, in order to provide space for the subsequent inactivated catalyst and the prepared carbon material.
A method for continuously preparing carbon material by gas-solid reaction comprises arranging a baffle plate 7 at a feed inlet, introducing carbon source gas and metal oxide catalyst into the baffle plate 7 at the feed inlet of a reactor barrel 1, wherein the carbon source gas comprises CO2、CO、CH4、C2H6、C3H8、C4H10，The external heating device heats the reactor cylinder 1 to 470-900 ℃ so that the metal oxide catalyst rapidly reaches the reaction temperature at high temperature, the reactor cylinder 1 directionally moves around the central shaft of the reactor, the catalyst slowly moves forwards under the action of the guide plate 6, and the catalyst sequentially passes through the catalyst activation section 2, the first reaction section 3, the second reaction section 4 and the discharge section 5 and is fully contacted with the carbon source gas in the reactor to react.
In the catalyst activation section 2, the carbon source gas and the metal oxide catalyst are fully contacted in the catalyst activation section 2 to generate reduction reaction, and a simple substance with catalytic activity is generated; in the first reaction section 3, the carbon source gas is subjected to cracking reaction on the active catalyst to generate carbon material and hydrogen, the generated carbon material continuously increases along with the continuous reaction, and simultaneously moves forwards with the metal oxide catalyst under the action of the material guide plate 6 of the first reaction section 3 to enter the second reaction section 4; in the second reaction section 4, the carbon material and the metal oxide catalyst continue to react, the activity of the metal oxide catalyst begins to be gradually reduced along with the increasing volume of the carbon material generated by the reaction, and the carbon material and the low-activity metal oxide catalyst move forwards under the action of the material guide plate 6 of the second reaction section 4 and enter the material discharge section 5; in the discharging section 5, the produced carbon material and the deactivated metal oxide catalyst are discharged out of the reactor cylinder 1 under the action of the material guide plate 6 of the discharging section 5, and finally the continuously prepared carbon material is obtained.
Example 3
The utility model provides an equipment of continuous preparation carbon material of gas-solid reaction, catalyst activation section 2, first reaction section 3, second reaction section 4 and row's material section 5 shared length proportion is in reactor barrel 1: 6: 12: 12: 2; the number distribution ratio of the material guide plates 6 in the catalyst activation section 2, the first reaction section 3, the second reaction section 4 and the discharge section 5 in the reactor cylinder 1 is 8:4:2:1, and 32 material guide plates 6 are arranged on the catalyst activation section 2; 24 material guide plates 6 are arranged in the first reaction section 3; the discharge section 5 is provided with 6 guide plates 6.
The vertical heights of the material guide plates 6 in the catalyst activation section 2, the first reaction section 3, the second reaction section 4 and the discharge section 5 are sequentially increased; the included angles of the reactor cylinder 1 in the catalyst activation section 2, the first reaction section 3 and the second reaction section 4 are 45 degrees, the included angle of the material guide plate 6 and the reactor cylinder 1 in the material discharge section 5 is 80 degrees, and the larger the included angle is in the reactor, the higher the forward propelling speed of the catalyst and the carbon material is.
Claims (7)
1. An apparatus for continuously producing a carbon material by a gas-solid reaction, comprising: reactor barrel (1) that the level set up, reactor barrel (1) one end is provided with the feed inlet, and the other end is provided with the discharge gate, from feed inlet to discharge gate, divide into catalyst activation section (2), first reaction section (3), second reaction section (4) and arrange material section (5), its characterized in that with reactor barrel (1) in proper order: the inner wall of the reactor cylinder (1) is provided with a material guide plate (6), and an included angle is formed between the material guide plate (6) and the reactor cylinder (1).
2. The apparatus for continuously producing a carbon material by gas-solid reaction according to claim 1, wherein: catalyst activation section (2), first reaction section (3), second reaction section (4) and row material section (5) are the length proportion that occupies in reactor barrel (1): 4-6: 6-12: 6-12: 1-2.
3. The apparatus for continuously producing a carbon material by gas-solid reaction according to claim 2, wherein: the material guide plates (6) are distributed on the inner wall of the reactor cylinder (1) in a nearly spiral shape, and the quantity distribution ratio of the material guide plates (6) in the catalyst activation section (2), the first reaction section (3), the second reaction section (4) and the discharge section (5) in the reactor cylinder (1) is 8:4:2: 1.
4. The apparatus for continuously producing a carbon material by gas-solid reaction according to claim 3, wherein: the catalyst activation section (2) is provided with 16-32 guide plates (6); the first reaction section (3) is provided with 8-24 material guide plates (6); the second reaction section (4) is provided with 4-12 material guide plates (6); the discharging section (5) is provided with 2-6 guide plates (6).
5. The apparatus for continuously producing a carbon material by gas-solid reaction according to any one of claims 3 to 4, wherein: the vertical heights of the material guide plates (6) in the catalyst activation section (2), the first reaction section (3), the second reaction section (4) and the discharge section (5) are sequentially increased.
6. The apparatus for continuously producing a carbon material by gas-solid reaction according to claim 5, wherein: the included angles of the material guide plate (6) and the reactor cylinder body (1) in the catalyst activation section (2), the first reaction section (3) and the second reaction section (4) are 10-45 degrees, and the included angle of the material guide plate (6) and the reactor cylinder body (1) in the discharge section (5) is 50-80 degrees.
7. The apparatus for continuously producing a carbon material by gas-solid reaction according to claim 6, wherein: the feed inlet is provided with a material baffle (7).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111072008A (en) * | 2019-12-24 | 2020-04-28 | 陕西延长石油(集团)有限责任公司研究院 | Equipment and method for continuously preparing carbon material through gas-solid reaction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111072008A (en) * | 2019-12-24 | 2020-04-28 | 陕西延长石油(集团)有限责任公司研究院 | Equipment and method for continuously preparing carbon material through gas-solid reaction |
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