A header pipe structure for a high temperature molten metal reactor outlet

Abstract

The utility model discloses a kind of collection pipeline structures for high-temperature molten metal reactor outlet, including separator, separator is connected with multiple branch pipes by collection pipe, each branch pipe is connected with the outlet pipeline of reactor by connecting pipe respectively, separator is cyclone separator, collection pipe and separator are connected together by welding, can be integrally formed, welding can also be carried out after on-site installation, effectively reduce the risk of medium leakage;Multiple reactors and a separator are connected using the arrangement mode, branch pipe is inserted into collection pipe in downstream oblique, angle is between 30~40 °, beneficial to the discharge of solid carbon, collection pipe can reduce the medium flow rate entering cyclone separator in suitable range, simple structure, safe, reliable.

Description

Technical Field

[0001] This utility model relates to the field of pipeline structure, specifically to a collection pipeline structure for the outlet of a high-temperature molten metal reactor. Background Technology

[0002] To address global climate change, major countries around the world are committed to reducing carbon dioxide emissions. Hydrogen energy is a secondary energy source with a wide range of applications and has become an important direction for the global clean energy transition. Hydrocarbon pyrolysis devices based on molten metal catalysts are an emerging technology that can produce solid carbon such as graphene and carbon nanotubes as byproducts while producing hydrogen. Its core equipment consists of high-temperature equipment such as pyrolysis reactors and carbon separation tanks. The structure of the outlet collection pipeline of the high-temperature reactor is one of the challenges. Utility Model Content

[0003] The technical problem this invention aims to solve is that the existing high-temperature reactor outlet manifold structure is complex and inconvenient for catalyst sampling. This invention provides a manifold structure for the outlet of a high-temperature molten metal reactor, which adopts an arrangement of multiple reactors connected to a separator. Branch pipes are inserted obliquely into the manifold in the direction of flow, with an angle between 30 and 40°, which is beneficial for the discharge of solid carbon. The manifold can reduce the flow velocity of the medium entering the cyclone separator to a suitable range. The structure is simple, safe, and reliable.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: A manifold structure for the outlet of a high-temperature molten metal reactor includes a separator. The separator is connected to multiple branch pipes via a manifold. Each branch pipe is connected to the reactor's outlet pipe via a connecting pipe. The separator is a cyclone separator. The manifold and the separator are welded together. The manifold can be integrally formed or welded after on-site installation, effectively reducing the risk of media leakage.

[0005] The above-mentioned manifold structure for the outlet of a high-temperature molten metal reactor includes a first pipe, a reducing pipe, and a second pipe connected in sequence. The diameter of the first pipe is smaller than the diameter of the second pipe. Both the first pipe and the second pipe are straight pipes. The second pipe of the manifold is enlarged and a straight section of 3~5D (D is the diameter of the manifold) is ensured before entering the separator to ensure that the flow velocity of the medium entering the separator is reduced to a suitable range.

[0006] The above-mentioned collection pipe structure for the outlet of a high-temperature molten metal reactor, wherein each of the branch pipes is connected to the first pipe, and each of the branch pipes is obliquely inserted into the first pipe in the direction of flow, which is conducive to the discharge of solid carbon.

[0007] In the above-mentioned collection pipe structure for the outlet of a high-temperature molten metal reactor, the angle between the connection point of each branch pipe and the first pipe is between 30° and 40°, which is conducive to the discharge of solid carbon.

[0008] The above-mentioned collection pipe structure for the outlet of a high-temperature molten metal reactor includes four branch pipes symmetrically arranged on both sides of the first pipeline. The symmetrical arrangement of the branch pipes is beneficial to the fluid pattern within the collection pipe, so that the outlet pipes of the four reactors are connected through the branch pipes and then connected to one separator, which is a cyclone separator. The above-mentioned collection pipe structure for the outlet of a high-temperature molten metal reactor, wherein the collection pipe is made of a high-temperature alloy and its inner wall is provided with a nickel-chromium-aluminum-iridium transition layer with a thickness of 0.1-0.3 mm. The special lining structure effectively reduces the abrasion and corrosion of the collection pipe by the medium.

[0009] The above-mentioned collection pipe structure for the outlet of a high-temperature molten metal reactor, wherein the inner wall of the nickel-chromium-aluminum-iridium material transition layer is laser-clad with a yttrium oxide partially stabilized zirconia layer, the thickness of which is 0.1-0.3 mm.

[0010] The above-mentioned collection pipeline structure for the outlet of a high-temperature molten metal reactor, wherein the connecting pipe is a large-radius bend or a large-radius elbow is used to reduce the impact of the medium on the pipeline.

[0011] The above-mentioned collection pipe structure for the outlet of a high-temperature molten metal reactor includes a purge pipe installed at the end of the collection pipe, and a purge valve installed on the purge pipe to facilitate the purging of solid carbon accumulated in the collection pipe.

[0012] The technical solution provided by the present invention, a manifold structure for the outlet of a high-temperature molten metal reactor, has the following technical effects: The arrangement of multiple reactors connected to one separator, with branch pipes inserted obliquely into the manifold at an angle of 30-40°, facilitates the discharge of solid carbon. The manifold can reduce the flow velocity of the medium entering the cyclone separator within a suitable range. The structure is simple, safe, and reliable. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of a collection pipeline structure for the outlet of a high-temperature molten metal reactor according to the present invention; Figure 2This is a schematic diagram of the connection between the collection pipe structure and the separator at the outlet of a high-temperature molten metal reactor according to the present invention.

[0014] The reference numerals in the attached figures are as follows: Separator 100, manifold 200, branch pipe 300, reactor 400, purge pipe 500, first pipeline 201, reducer 202, second pipeline 203, bend 301, outlet pipe 401, purge valve 501. Detailed Implementation

[0015] In order to make the technical means, inventive features, objectives and effects of the utility model easy to understand, the technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to specific illustrations. Obviously, the described embodiments are some embodiments of the utility model, but not all embodiments.

[0016] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0018] Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in this specification are only for clarity of description and are not intended to limit the scope of implementation of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered as within the scope of implementation of this utility model.

[0019] like Figure 1-2 As shown in the first embodiment, a manifold structure for the outlet of a high-temperature molten metal reactor includes a separator 100. The separator 100 is connected to multiple branch pipes 300 via a manifold 200. Each branch pipe 300 is connected to the outlet pipe 401 of the reactor 400 via a connecting pipe. The separator 100 is a cyclone separator. The manifold 200 and the separator 100 are welded together. They can be integrally formed or welded after on-site installation, effectively reducing the risk of media leakage. The connecting pipe is a large-radius bend 301, or a large-radius elbow is used to reduce the impact of the media on the pipeline. The manifold 200 includes a first pipe 201, a reducer 202, and a second pipe 203 connected in sequence. The diameter of the first pipe 201 is smaller than the diameter of the second pipe 203. Both the first pipe 201 and the second pipe 203 are straight pipes. The second pipe 203 of the manifold 200 is enlarged and has a straight pipe section of 3~5D (D is the diameter of the manifold 200) before entering the separator 100 to ensure that the flow velocity of the medium entering the separator 100 is reduced to a suitable range.

[0020] Each branch pipe 300 is connected to the first pipe 201. Each branch pipe 300 is inserted obliquely into the first pipe 201 in the direction of flow, which is conducive to the discharge of solid carbon. The angle between the connection point of each branch pipe 300 and the first pipe 201 is between 30° and 40°, which is also conducive to the discharge of solid carbon.

[0021] Four branch pipes 300 are symmetrically arranged on both sides of the first pipeline 201. The symmetrical arrangement of the branch pipes 300 is beneficial to the fluid state in the collection pipe 200. After the outlet pipes 401 of the four reactors 400 are connected through the branch pipes 300, they are connected to a separator 100 through the collection pipe 200. The separator 100 is a cyclone separator. The manifold 200 is made of high-temperature alloy and has a nickel-chromium-aluminum-iridium transition layer on its inner wall. The thickness of the nickel-chromium-aluminum-iridium transition layer is 0.1-0.3mm. It adopts a special lining structure to effectively reduce the abrasion and corrosion of the manifold 200 by the medium.

[0022] The inner wall of the nickel-chromium-aluminum-iridium material transition layer is laser-clad with a yttrium oxide partially stabilized zirconia layer, the thickness of which is 0.1-0.3 mm.

[0023] In the second embodiment, unlike the first embodiment, a purge pipe 500 is installed at the end of the manifold 200 for easy cleaning. A purge valve 501 is installed on the purge pipe 500 to facilitate the purge of solid carbon accumulated in the manifold 200.

[0024] In summary, the present invention provides a collection pipe structure for the outlet of a high-temperature molten metal reactor, which adopts an arrangement in which multiple reactors are connected to a separator. The branch pipes are inserted obliquely into the collection pipe in the direction of flow, with an angle between 30 and 40°, which is conducive to the discharge of solid carbon. The collection pipe can reduce the flow velocity of the medium entering the cyclone separator within a suitable range. The structure is simple, safe and reliable.

[0025] The specific embodiments of the utility model have been described above. It should be understood that the utility model is not limited to the specific embodiments described above, and the devices and structures not described in detail should be understood as being implemented in a manner common to the art; those skilled in the art can make various modifications or alterations within the scope of the claims, and make several simple deductions, modifications or substitutions, which do not affect the substantive content of the utility model.

Claims

1. A manifold structure for the outlet of a high-temperature molten metal reactor, characterized in that, It includes a separator, which is connected to multiple branch pipes via a manifold, and each branch pipe is connected to the outlet pipe of the reactor via a connecting pipe.

2. The manifold structure for the outlet of a high-temperature molten metal reactor according to claim 1, characterized in that, The manifold includes a first pipe, a reducing pipe, and a second pipe connected in sequence, wherein the diameter of the first pipe is smaller than the diameter of the second pipe.

3. The manifold structure for the outlet of a high-temperature molten metal reactor according to claim 2, characterized in that, Each of the branch pipes is connected to the first pipe.

4. The manifold structure for the outlet of a high-temperature molten metal reactor according to claim 3, characterized in that, The angle at which each branch pipe connects to the first pipe is between 30° and 40°.

5. The manifold structure for the outlet of a high-temperature molten metal reactor according to claim 4, characterized in that, Four branch pipes are symmetrically arranged on both sides of the first pipeline.

6. The manifold structure for the outlet of a high-temperature molten metal reactor according to claim 2, characterized in that, Both the first pipeline and the second pipeline are straight pipes.

7. The manifold structure for the outlet of a high-temperature molten metal reactor according to claim 1, characterized in that, The manifold is made of high-temperature alloy and has a nickel-chromium-aluminum-iridium transition layer on its inner wall. The thickness of the nickel-chromium-aluminum-iridium transition layer is 0.1-0.3 mm.

8. The manifold structure for the outlet of a high-temperature molten metal reactor according to claim 7, characterized in that, The inner wall of the nickel-chromium-aluminum-iridium material transition layer is laser-clad with a yttrium oxide partially stabilized zirconia layer, the thickness of which is 0.1-0.3 mm.

9. A manifold structure for the outlet of a high-temperature molten metal reactor according to claim 1, characterized in that, The connecting pipe is a large-radius bend.

10. A manifold structure for the outlet of a high-temperature molten metal reactor according to claim 1, characterized in that, A purge pipe is installed at the end of the manifold, and a purge valve is installed on the purge pipe.

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