CN218393613U - Multistage stepped reinforced mixed fuel remixing structure for acetylene reactor - Google Patents
Multistage stepped reinforced mixed fuel remixing structure for acetylene reactor Download PDFInfo
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- CN218393613U CN218393613U CN202222756673.2U CN202222756673U CN218393613U CN 218393613 U CN218393613 U CN 218393613U CN 202222756673 U CN202222756673 U CN 202222756673U CN 218393613 U CN218393613 U CN 218393613U
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Abstract
The utility model discloses an acetylene reactor is with multistage cascaded intensive fuel mixture structure again solves the technical problem that prior art fuel gas mixes the not enough ideal when getting into the combustion reaction chamber by the premixer. The utility model comprises a disc-shaped fuel gas remixing disc which is arranged between a premixer and a combustion reaction chamber, wherein a plurality of fuel gas remixing pipes are evenly distributed on the fuel gas remixing disc, and the premixer is communicated with the combustion reaction chamber through the fuel gas remixing pipes; the fuel gas remixing pipe is provided with a stepped pipe section for improving the mixing efficiency of the fuel gas. The utility model has the advantages of simple structure and scientific and reasonable design, convenient to use forms more powerful mixing effect when can making reaction gas get into the combustion reaction chamber from the premixer to can improve the combustion efficiency of combustion reaction chamber to a certain extent, and then increase the acetylene yield.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, concretely relates to acetylene reactor is with multistage cascaded intensive fuel mixture structure again.
Background
Acetylene, an organic compound of formula C 2 H 2 The acetylene gas is a member with the smallest volume in alkyne compounds, is colorless gas at normal temperature and normal pressure, is slightly soluble in water, is dissolved in ethanol, acetone, chloroform and benzene, is dissolved in ether, is one of important raw materials for organic synthesis, is a monomer for synthesizing rubber, synthetic fiber and plastic, and can be used for oxyacetylene welding and cutting.
Acetylene is the incomplete combustion product of natural gas with oxygen at temperatures up to 1400 ℃. In addition to acetylene and hydrogen, the process also produces carbon monoxide, carbon dioxide, water, methane, and soot. The premixer at the upper part of the burner of the acetylene cracking reactor pre-mixes the oxygen and the natural gas of the reaction gas, so that the cracking reaction is more complete, and the aim of improving the yield of the acetylene product is fulfilled.
The traditional premixer is provided with a plurality of fuel pipes, reaction gases are further distributed and mixed in the fuel pipes, so that the yield of acetylene products can be further improved, the diameter of the fuel pipes is generally in the centimeter level, the flow uniformity of fluid is greatly influenced by the flow of a fluid boundary layer under the diameter, the current fuel pipe flow channel is generally a straight pipe and has limited remixing effect on the reaction gases, and therefore, the arrangement of the fuel pipes on the traditional premixer has limited effect on improving the yield of the acetylene products.
Therefore, the design acetylene reactor is with multistage cascaded intensive fuel mixture structure again to make reaction gas can mix more evenly when getting into the combustion reaction chamber, thereby improve acetylene product yield.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: provides a multi-stage stepped reinforced mixed fuel remixing structure for an acetylene reactor, which at least solves some technical problems.
In order to achieve the above object, the utility model adopts the following technical scheme:
the acetylene reactor is a multi-stage stepped reinforced mixed fuel remixing structure, which comprises a disk-shaped fuel gas remixing disc arranged between a premixer and a combustion reaction chamber, wherein a plurality of fuel gas remixing pipes are uniformly distributed on the fuel gas remixing disc, and the premixer is communicated with the combustion reaction chamber through the fuel gas remixing pipes; the fuel gas remixing pipe is provided with a stepped pipe section for improving the mixing efficiency of the fuel gas.
Further, the stepped pipe section comprises a first stepped section and a first drainage section connected with the first stepped section.
Further, the stepped pipe section further comprises an expansion section connected to the air outlet end of the primary drainage section.
Further, the inner diameter of the expanding section is gradually increased along the airflow direction.
Further, the stepped pipe section further comprises a secondary stepped section connected to the air outlet end of the expansion section and a secondary drainage section connected with the secondary stepped section.
Further, the primary flow guiding section and the secondary flow guiding section are identical in structure, and the inner diameters of the primary flow guiding section and the secondary flow guiding section are gradually reduced along the airflow direction.
Further, the first-stage step section and the second-stage step section are identical in structure, and the inner diameters of the first-stage step section and the second-stage step section are suddenly increased along the airflow direction.
Furthermore, the fuel gas remixing pipe comprises an inlet pipe section, a step pipe section and an outlet pipe section which are sequentially distributed along the airflow direction, the inlet pipe section is connected with the first-stage step pipe section, and the second-stage drainage section is connected with the outlet pipe section.
Further, the fuel gas remixing plate comprises a fire-resistant heat-insulating layer, a light fire-resistant layer and a burner nozzle plate which are sequentially distributed from the premixer to the combustion reaction chamber.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model has the advantages of simple structure and scientific and reasonable design, convenient to use can make reaction gas form stronger mixing effect when getting into the combustion reaction chamber from the premixer to can improve the combustion efficiency of combustion reaction chamber to a certain extent, and then increase the acetylene yield.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a view taken along direction a of fig. 1.
FIG. 3 is a schematic diagram of a fuel gas remix tube configuration.
Wherein, the names corresponding to the reference numbers are:
1-a premixer, 2-a refractory heat-insulating layer, 3-a light refractory layer, 4-a burner plate, 5-a combustion reaction chamber, 6-a reactor end socket, 7-an inlet pipe section, 8-a first-stage step section, 9-a first-stage drainage section, 10-an expansion section, 11-a second-stage step section, 12-a second-stage drainage section, 13-an outlet pipe section, 14-a fuel gas remixing disc and 15-a fuel gas remixing pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-3, the present invention provides a multistage stepped reinforced mixed fuel remixing structure for acetylene reactor, which is characterized in that the structure comprises a fuel gas remixing plate 14 disposed between a premixer 1 and a combustion reaction chamber 5 and in the shape of a disk, wherein a plurality of fuel gas remixing pipes 15 are uniformly distributed on the fuel gas remixing plate 14, and the premixer 1 is communicated with the combustion reaction chamber 5 through the fuel gas remixing pipes 15; the fuel gas remixing pipe 15 is provided with a stepped pipe section for improving the mixing efficiency of the fuel gas.
The utility model has the advantages of simple structure and scientific and reasonable design, convenient to use can make reaction gas form stronger mixing effect when getting into the combustion reaction chamber from the premixer to can improve the combustion efficiency of combustion reaction chamber to a certain extent, and then increase the acetylene yield.
Example 2
As shown in fig. 1-3, the present invention provides a multistage stepped reinforced fuel mixture re-mixing structure for acetylene reactor, which is characterized in that it comprises a disk-shaped fuel gas re-mixing tray 14 disposed between the pre-mixer 1 and the combustion reaction chamber 5, a plurality of fuel gas re-mixing pipes 15 are uniformly distributed on the fuel gas re-mixing tray 14, and the pre-mixer 1 is communicated with the combustion reaction chamber 5 through the fuel gas re-mixing pipes 15; the fuel gas remixing pipe 15 is provided with a stepped pipe section for improving the mixing efficiency of the fuel gas. The stepped pipe section comprises a primary stepped section 8 and a primary drainage section 9 connected with the primary stepped section 8.
In this embodiment 2, on the basis of embodiment 1, a more preferable structure of the stepped pipe section is given, specifically: the stepped pipe section comprises a primary stepped section 8 and a primary drainage section 9 connected with the primary stepped section 8. Through the design, the fuel gas from the premixer 1 enters the primary step section 8 to form stable backflow areas with different sizes at the downstream of the steps, the backflow areas develop in the flow of the step sections, backflow vortexes and internal angle induced vortexes exist in the developed backflow areas, the existence of the flow state structures disturbs the flow of the main fluid to form a periodical jet flow osmosis effect, so that a certain degree of mass and heat transfer strengthening process is formed for the fluid in the main body area and the boundary area, and meanwhile, the fluid is induced to the main flow area when flowing through the primary flow guide section 9 immediately downstream of the steps to form a further jet flow effect, so that the backflow vortexes passing through the flow rate of the stepped low-speed boundary area are broken more thoroughly, the strong mixing of the fuel fluid is realized, the combustion efficiency of the combustion reaction chamber can be improved to a certain degree, and the acetylene yield is increased.
Example 3
As shown in fig. 1-3, the present invention provides a multistage stepped reinforced mixed fuel remixing structure for acetylene reactor, which is characterized in that the structure comprises a fuel gas remixing plate 14 disposed between a premixer 1 and a combustion reaction chamber 5 and in the shape of a disk, wherein a plurality of fuel gas remixing pipes 15 are uniformly distributed on the fuel gas remixing plate 14, and the premixer 1 is communicated with the combustion reaction chamber 5 through the fuel gas remixing pipes 15; the fuel gas remixing pipe 15 is provided with a stepped pipe section for improving the mixing efficiency of the fuel gas. The stepped pipe section comprises a primary stepped section 8 and a primary drainage section 9 connected with the primary stepped section 8. The stepped pipe section further comprises an expansion section 10 connected to the air outlet end of the primary flow guiding section 9.
In this embodiment 3, on the basis of embodiment 2, a more preferable structure of the stepped pipe section is given, specifically: the stepped pipe section further comprises an expansion section 10 connected to the air outlet end of the primary flow guiding section 9. Through the design, the fuel gas can accelerate the flow of the fuel gas in the expansion section 10 after the fuel gas realizes the strong mixing of the fuel fluid in the first-level drainage section 9, so that a stronger mixing effect is formed, the combustion efficiency of the combustor can be improved to a certain extent, and the acetylene yield is increased.
Example 4
As shown in fig. 1-3, the present invention provides a multistage stepped reinforced mixed fuel remixing structure for acetylene reactor, which is characterized in that the structure comprises a fuel gas remixing plate 14 disposed between a premixer 1 and a combustion reaction chamber 5 and in the shape of a disk, wherein a plurality of fuel gas remixing pipes 15 are uniformly distributed on the fuel gas remixing plate 14, and the premixer 1 is communicated with the combustion reaction chamber 5 through the fuel gas remixing pipes 15; the fuel gas remixing pipe 15 is provided with a stepped pipe section for improving the mixing efficiency of the fuel gas. The stepped pipe section comprises a primary stepped section 8 and a primary drainage section 9 connected with the primary stepped section 8. The stepped pipe section further comprises an expansion section 10 connected to the air outlet end of the primary flow guiding section 9. The inner diameter of the divergent section 10 becomes gradually larger in the direction of the gas flow.
In this embodiment 4, on the basis of embodiment 3, a more preferable structure of the expansion section 10 is given, specifically: the inner diameter of the divergent section 10 becomes gradually larger in the direction of the gas flow. Through above-mentioned design, there is the venturi effect in expansion section 10, and the fuel gas realizes the strong back of mixing of fuel fluid at one-level drainage section 9, can accelerate the fuel gas at expansion section 10 and flow, forms stronger mixing effect to can improve the combustion efficiency of combustor to a certain extent, increase acetylene yield.
Example 5
As shown in fig. 1-3, the present invention provides a multistage stepped reinforced fuel mixture re-mixing structure for acetylene reactor, which is characterized in that it comprises a disk-shaped fuel gas re-mixing tray 14 disposed between the pre-mixer 1 and the combustion reaction chamber 5, a plurality of fuel gas re-mixing pipes 15 are uniformly distributed on the fuel gas re-mixing tray 14, and the pre-mixer 1 is communicated with the combustion reaction chamber 5 through the fuel gas re-mixing pipes 15; the fuel gas remixing pipe 15 is provided with a stepped pipe section for improving the mixing efficiency of the fuel gas. The stepped pipe section comprises a primary stepped section 8 and a primary drainage section 9 connected with the primary stepped section 8. The stepped pipe section further comprises an expansion section 10 connected to the air outlet end of the primary flow guiding section 9. The stepped pipe section further comprises a secondary stepped section 11 connected to the air outlet end of the expansion section 10, and a secondary drainage section 12 connected with the secondary stepped section 11.
In this embodiment 5, on the basis of embodiment 3, a more preferable structure of the stepped pipe section is given, specifically: the stepped pipe section further comprises a secondary stepped section 11 connected to the air outlet end of the expansion section 10, and a secondary drainage section 12 connected with the secondary stepped section 11. Through the design, the fuel gas enters the secondary step section 11 and the secondary drainage section 12 from the expansion section 10 in sequence, and the process of the primary step section 8 and the primary drainage section 9 is repeated, so that the mixing of the fuel gas can be further enhanced, the combustion efficiency of the combustion reaction chamber is improved, and the acetylene yield is further increased.
Example 6
As shown in fig. 1-3, the present invention provides a multistage stepped reinforced fuel mixture re-mixing structure for acetylene reactor, which is characterized in that it comprises a disk-shaped fuel gas re-mixing tray 14 disposed between the pre-mixer 1 and the combustion reaction chamber 5, a plurality of fuel gas re-mixing pipes 15 are uniformly distributed on the fuel gas re-mixing tray 14, and the pre-mixer 1 is communicated with the combustion reaction chamber 5 through the fuel gas re-mixing pipes 15; the fuel gas remixing pipe 15 is provided with a stepped pipe section for improving the mixing efficiency of the fuel gas. The stepped pipe section comprises a primary stepped section 8 and a primary drainage section 9 connected with the primary stepped section 8. The stepped pipe section further comprises an expansion section 10 connected to the air outlet end of the primary flow guiding section 9. The stepped pipe section further comprises a secondary stepped section 11 connected to the air outlet end of the expansion section 10, and a secondary drainage section 12 connected with the secondary stepped section 11. The first-stage flow guiding section 9 and the second-stage flow guiding section 12 are identical in structure, and the inner diameters of the first-stage flow guiding section and the second-stage flow guiding section are gradually reduced along the airflow direction.
In this embodiment 6, on the basis of embodiment 5, a more preferable structure of the primary flow-guiding section 9 and the secondary flow-guiding section 12 is given, specifically: the primary flow guiding section 9 and the secondary flow guiding section 12 have the same structure, and the inner diameters of the primary flow guiding section and the secondary flow guiding section are gradually reduced along the airflow direction. Through the design, the fuel gas can be mixed more uniformly, so that the combustion efficiency of the combustion reaction chamber is improved, and the acetylene yield is increased.
Example 7
As shown in fig. 1-3, the present invention provides a multistage stepped reinforced mixed fuel remixing structure for acetylene reactor, which is characterized in that the structure comprises a fuel gas remixing plate 14 disposed between a premixer 1 and a combustion reaction chamber 5 and in the shape of a disk, wherein a plurality of fuel gas remixing pipes 15 are uniformly distributed on the fuel gas remixing plate 14, and the premixer 1 is communicated with the combustion reaction chamber 5 through the fuel gas remixing pipes 15; the fuel gas remixing pipe 15 is provided with a stepped pipe section for improving the mixing efficiency of the fuel gas. The stepped pipe section comprises a primary stepped section 8 and a primary drainage section 9 connected with the primary stepped section 8. The stepped pipe section further comprises an expansion section 10 connected to the air outlet end of the primary flow guiding section 9. The stepped pipe section further comprises a secondary stepped section 11 connected to the air outlet end of the expansion section 10, and a secondary drainage section 12 connected with the secondary stepped section 11. The first-stage step section 8 and the second-stage step section 11 have the same structure, and the inner diameters of the first-stage step section and the second-stage step section are suddenly increased along the airflow direction.
In this embodiment 7, on the basis of embodiment 5, a more preferable structure of the first-stage step section 8 and the second-stage step section 11 is given, specifically: the first-stage step section 8 and the second-stage step section 11 have the same structure, and the inner diameters of the first-stage step section and the second-stage step section are suddenly increased along the airflow direction. Through the design, the fuel gas can be mixed more uniformly, so that the combustion efficiency of the combustion reaction chamber is improved, and the acetylene yield is increased.
Example 8
As shown in fig. 1-3, the present invention provides a multistage stepped reinforced mixed fuel remixing structure for acetylene reactor, which is characterized in that the structure comprises a fuel gas remixing plate 14 disposed between a premixer 1 and a combustion reaction chamber 5 and in the shape of a disk, wherein a plurality of fuel gas remixing pipes 15 are uniformly distributed on the fuel gas remixing plate 14, and the premixer 1 is communicated with the combustion reaction chamber 5 through the fuel gas remixing pipes 15; the fuel gas remixing pipe 15 is provided with a stepped pipe section for improving the mixing efficiency of the fuel gas. The stepped pipe section comprises a primary stepped section 8 and a primary drainage section 9 connected with the primary stepped section 8. The stepped pipe section further comprises an expansion section 10 connected to the air outlet end of the primary flow guiding section 9. The stepped pipe section further comprises a secondary stepped section 11 connected to the air outlet end of the expansion section 10, and a secondary drainage section 12 connected with the secondary stepped section 11. The fuel gas remixing pipe 15 comprises an inlet pipe section 7, a step pipe section and an outlet pipe section 13 which are sequentially distributed along the gas flow direction, wherein the inlet pipe section 7 is connected with the first step section 8, and the second drainage section 12 is connected with the outlet pipe section 13.
In this embodiment 8, a more preferable structure of the fuel gas remixing tube 15 is given based on embodiment 5, and specifically: the fuel gas remixing pipe 15 comprises an inlet pipe section 7, a step pipe section and an outlet pipe section 13 which are sequentially distributed along the gas flow direction, wherein the inlet pipe section 7 is connected with the first step section 8, and the second drainage section 12 is connected with the outlet pipe section 13. Through the design, the fuel gas enters the inlet pipe section 7, the first-stage stepped section 8, the first-stage drainage section 9, the expansion section 10, the second-stage stepped section 11 and the second-stage drainage section 12 from the premixer in sequence, then enters the combustion reaction chamber from the second-stage drainage section 12, so that the fuel gas can be mixed more uniformly, the combustion efficiency of the combustion reaction chamber is improved, and the acetylene yield is increased. As shown in fig. 3, the fuel gas passes through the fuel gas remix pipe 15 in the direction of the arrow.
Example 9
As shown in fig. 1-3, the present invention provides a multistage stepped reinforced mixed fuel remixing structure for acetylene reactor, which is characterized in that the structure comprises a fuel gas remixing plate 14 disposed between a premixer 1 and a combustion reaction chamber 5 and in the shape of a disk, wherein a plurality of fuel gas remixing pipes 15 are uniformly distributed on the fuel gas remixing plate 14, and the premixer 1 is communicated with the combustion reaction chamber 5 through the fuel gas remixing pipes 15; the fuel gas remixing pipe 15 is provided with a stepped pipe section for improving the mixing efficiency of the fuel gas. The fuel gas remixing plate 14 includes a refractory heat-insulating layer 2, a lightweight refractory layer 3 and a burner plate 4 which are sequentially distributed from the premixer 1 toward the combustion chamber 5.
This example 9 shows a more preferable structure of the fuel gas remixing plate 14 based on example 1, specifically: the fuel gas remixing plate 14 includes a refractory heat-insulating layer 2, a lightweight refractory layer 3 and a burner plate 4 which are sequentially distributed from the premixer 1 toward the combustion chamber 5. By the design, the whole structure is more stable, and the heat insulation is safe.
The utility model discloses premixer 1 passes through bolt fixed mounting on reactor head 6, and detachable connects the convenient dismouting of overhauing.
The utility model discloses a set up the ladder section of a certain amount (one-level ladder section 8 and second grade ladder section 11), drainage section (one-level drainage section 9 and second grade drainage section 12) and expansion section 10 on the fuel pipe subassembly passageway of acetylene reactor nozzle plate, realize the fuel gas in the runner on boundary layer and the intensive mixing of main fluid, improve combustion efficiency.
After the fuel flows into the inlet pipe section 7 of the fuel pipe assembly, the fuel gas forms a main fluid area and a boundary layer area along the radial direction of the fuel pipe assembly, when the fluid flows through the step sections (a first-stage step section 8 and a second-stage step section 11, the step sections are preferably set to be in proper sizes according to the characteristics of Reynolds numbers of incoming flows), stable backflow areas with different sizes are formed at the downstream of the step sections, the backflow areas flow and develop in the step sections, backflow vortexes and internal angle induced vortexes exist in the developed backflow areas, the existence of the flow state structures disturbs the flow of the main fluid to form periodic jet infiltration, so that the fluid forms a certain degree of mass and heat transfer enhancement processes in the main body area and the boundary area, meanwhile, the fluid flows through the flow guide sections (a first-stage flow guide section 9 and a second-stage flow guide section 12) at the downstream of the step sections, the fluid is induced to the main flow area to form further jet effect, so that the backflow vortexes passing through the low-speed boundary area of the step sections are broken more thoroughly, thereby realizing the strong mixing of the fuel fluid, and simultaneously, the venturi effect exists in the expansion section 10 arranged between the multi-stage step sections to accelerate the fuel gas flow, so as to improve the combustion efficiency to a certain degree, thereby increasing the combustion efficiency.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, but not to limit the same, and certainly not to limit the scope of the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; that is, the technical problems solved by the present invention are still consistent with the present invention, and all the modifications or colors made in the spirit and the idea of the main design of the present invention are included in the protection scope of the present invention; in addition, will the technical scheme of the utility model direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses an in the patent protection scope.
Claims (9)
1. The acetylene reactor is used for a multistage stepped reinforced mixed fuel remixing structure, which is characterized by comprising a disc-shaped fuel gas remixing disc (14) arranged between a premixer (1) and a combustion reaction chamber (5), wherein a plurality of fuel gas remixing pipes (15) are uniformly distributed on the fuel gas remixing disc (14), and the premixer (1) is communicated with the combustion reaction chamber (5) through the fuel gas remixing pipes (15); the fuel gas remixing pipe (15) is provided with a stepped pipe section for improving the mixing efficiency of the fuel gas.
2. The acetylene reactor multi-step reinforced mixed fuel remixing structure according to claim 1, wherein the stepped pipe section comprises a one-step section (8) and a one-step lead section (9) connected to the one-step section (8).
3. The acetylene reactor multi-stage stepped reinforced mixed fuel remixing structure according to claim 2, wherein the stepped pipe section further comprises an expanding section (10) connected to the gas outlet end of the one-stage draft section (9).
4. The acetylene reactor multistage stepped reinforced mixed fuel remixing structure according to claim 3, wherein the inner diameter of the expanding section (10) is gradually increased in the gas flow direction.
5. The acetylene reactor multi-step reinforced mixed fuel remixing structure according to claim 3, wherein the stepped pipe section further comprises a secondary stepped section (11) connected to the gas outlet end of the expanding section (10), and a secondary flow guiding section (12) connected to the secondary stepped section (11).
6. The acetylene reactor multi-stage stepped reinforced mixed fuel remixing structure according to claim 5, characterized in that the first stage flow guide section (9) and the second stage flow guide section (12) are identical in structure and have inner diameters gradually decreasing along the gas flow direction.
7. The acetylene reactor multi-step reinforced mixed fuel remixing structure according to claim 5, wherein the first-step section (8) and the second-step section (11) have the same structure, and the inner diameters of both are suddenly increased in the gas flow direction.
8. The acetylene reactor multistage stepped intensified mixed fuel remixing structure according to claim 5, characterized in that the fuel gas remixing tube (15) comprises an inlet tube section (7), a stepped tube section, and an outlet tube section (13) sequentially arranged along the gas flow direction, the inlet tube section (7) is connected to the first-stage stepped section (8), and the second-stage flow guide section (12) is connected to the outlet tube section (13).
9. The acetylene reactor multistage stepped intensified mixed fuel remixing structure according to claim 1, characterized in that the fuel gas remixing plate (14) comprises a refractory heat-insulating layer (2), a lightweight refractory layer (3) and a burner plate (4) which are sequentially distributed from the premixer (1) toward the combustion reaction chamber (5).
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| CN202222756673.2U CN218393613U (en) | 2022-10-18 | 2022-10-18 | Multistage stepped reinforced mixed fuel remixing structure for acetylene reactor |
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| CN202222756673.2U CN218393613U (en) | 2022-10-18 | 2022-10-18 | Multistage stepped reinforced mixed fuel remixing structure for acetylene reactor |
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