Reforming reaction device and SOFC system
By designing the structure of the heat exchange core and reforming reaction pipeline in the SOFC system, the problem of difficult temperature control in the reforming reaction was solved, achieving stable temperature control and waste heat recovery and utilization, thus improving the system's energy efficiency.
Patent Information
- Application Number
- CN202422986594.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-04
AI Technical Summary
In existing technologies, the reforming reaction temperature is difficult to control, which may cause thermal stress damage to the catalyst and support, and the waste heat of the SOFC system is not effectively utilized.
A reforming reaction device was designed. By setting a heat exchange core and a reforming reaction pipeline inside the shell, the high-temperature waste gas of the SOFC system is used for heating, separating the heat exchange section and the reaction section of the reaction gas, achieving temperature control, and recovering the waste heat in the waste gas.
By effectively controlling the reforming reaction temperature within the ideal range, damage to the catalyst and support caused by thermal stress is avoided, while energy recovery and conservation are achieved.
Smart Images
Figure CN223612440U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to solid oxide fuel cell system technical field especially, it is a kind of reforming reaction device and SOFC system. BACKGROUND
[0002] Solid oxide fuel cell (Solid Oxide Fuel Cell, SOFC for short) belongs to the third generation fuel cell, it is a kind of directly converting the chemical energy stored in fuel and oxidant into electric energy with high efficiency and environmental friendliness at medium-high temperature, and it is the highest theoretical energy density among several fuel cells.
[0003] Solid oxide fuel cell system usually includes reformer, electric pile, combustor, heat exchanger, inverter etc.. Reformer is the fuel such as natural gas, biomass gas, alcohol etc. entering system is converted into the mixed gas whose main component is H2, CO and CO2, provides the reaction component required for electric pile, and is the important component indispensable in SOFC system. Reformation is endothermic reaction, needs to provide catalyst and higher reaction temperature, needs to provide catalyst and higher reaction temperature.
[0004] CN114988363A provides a kind of reformer of solid oxide fuel cell system, including shell, heat preservation layer, fuel inlet pipe, air inlet pipe and its valve, fuel outlet pipe, high-temperature gas inlet pipe, high-temperature gas outlet pipe, high-temperature gas coil, methane catalytic partial oxidation catalyst, steam reforming (Steam Reforming, "SR" for short) catalyst, entrance fence, exit fence, intermediate fence, it also includes the filler port of CPOX catalyst, the filler port of SR catalyst;The shell outside is covered with heat preservation layer, shell one end is provided with fuel inlet pipe, air inlet pipe, CPOX catalyst filler port and high-temperature gas outlet pipe, the other end is provided with fuel outlet pipe, SR catalyst filler port and high-temperature gas inlet pipe;SOFC system start-up stage, high-temperature gas passes through high-temperature gas inlet pipe and enters high-temperature gas coil, heats the CPOX catalyst and SR catalyst in reformer, when CPOX catalyst temperature reaches catalytic reaction temperature, air inlet pipe valve opens, and natural gas and air are respectively introduced into the fuel inlet pipe and air inlet pipe of reformer, and natural gas and air are fully mixed and then flow through CPOX catalyst section in reformer to occur partial catalytic partial oxidation. The problem is that the reforming reaction temperature is not easy to control. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of reforming reaction device and SOFC system to solve the technical problems of the reforming reaction temperature not easy to control in prior art to some extent.
[0006] The utility model provides a kind of reforming reaction device, comprising: shell, heat exchange core and reforming reaction pipeline;The heat exchange core is arranged in the shell, the heat exchange core includes multiple reaction gas passages and multiple heating channels, reaction carrier is equipped in the reforming reaction pipeline, catalyst is applied on the reaction carrier;Heating gas inlet, heating gas outlet, reaction gas inlet and reaction gas outlet are equipped on the shell, the heating gas inlet and the heating gas outlet are connected with the heating channel, the reforming reaction pipeline, the reaction gas inlet and reaction gas outlet are connected with the reaction gas passage.
[0007] High-temperature exhaust gas generated in SOFC system can be introduced into heating gas inlet, and the heating gas inlet enters the heating channel, while reaction gas enters the reaction gas passage through reaction gas inlet, and heat exchange is realized between high-temperature exhaust gas and reaction gas in the heat exchange core, reaction gas is heated, and reaction gas enters the reforming reaction pipeline from the heat exchange core and reacts with catalyst on the reaction carrier. The reforming reaction device provided in the embodiment is characterized in that reaction gas is heated before reaction, i.e., the heat exchange section and the reaction section of reaction gas are separated, so that the reaction temperature is easy to control, the reforming reaction temperature can be controlled in the ideal temperature range, and damage of thermal stress in the heat exchange section to carrier and catalyst due to temperature difference can be avoided; on the other hand, the waste heat in exhaust gas generated by SOFC system can be utilized to realize energy recovery, so that energy can be saved.
[0008] Further, the number of heat exchange cores is N, the number of reforming reaction pipelines is N-1, and N is greater than or equal to 2;The heat exchange core includes reaction gas inlet flow channel and reaction gas outlet flow channel, multiple reaction gas passages are connected with the reaction gas inlet flow channel, and multiple reaction gas passages are connected with the reaction gas outlet flow channel;
[0009] N heat exchange cores are stacked, the reaction gas inlet is connected with the reaction gas inlet flow channel in the first heat exchange core, and the reaction gas outlet is connected with the reaction gas outlet flow channel in the last heat exchange core;In two heat exchange cores connected with each other, one end of the reforming reaction pipeline is connected with the reaction gas outlet flow channel in the previous heat exchange core, and the other end is connected with the reaction gas inlet flow channel in the next heat exchange core.
[0010] Further, the heat exchange core includes multiple chip assemblies, multiple chip assemblies are stacked along a specified direction, and a space is provided between adjacent two chip assemblies to form the heating channel;The chip assembly includes two chips arranged oppositely, and the reaction gas passage is formed between two chips.
[0011] Further, a space is arranged between the heat exchange core and the inner wall of the shell to form the heating channel.
[0012] Further, the reforming reaction pipe comprises a reaction section and a communication section; the reaction section is connected with the communication section at both ends, the communication section is communicated with the reaction gas channel, and at least the reaction section is located outside the shell.
[0013] Further, in the length direction of the heat exchange core, the first end of the heat exchange core is arranged close to the bottom plate, and the second end of the heat exchange core is arranged away from the bottom plate; the reaction gas inlet flow channel is arranged at the first end of the heat exchange core, and the reaction gas outlet flow channel is arranged at the second end of the heat exchange core.
[0014] Further, a plurality of heat exchange cores are arranged in parallel; the plurality of heat exchange cores are arranged in a stacking manner from the direction away from the bottom plate to the direction close to the bottom plate, the reaction gas inlet flow channel is communicated with the heat exchange core close to the bottom plate, and the heating gas inlet is communicated with the heat exchange core away from the bottom plate.
[0015] Further, the reaction carrier and the inner wall of the reforming reaction pipe have corresponding surfaces.
[0016] Further, a turbulence sheet is arranged in the reaction gas channel.
[0017] The utility model provides a kind of SOFC system, including exhaust pipe and above-mentioned reforming reaction device, the exhaust pipe is communicated with the heating gas import.
[0018] It should be understood that both the foregoing general description and the following detailed description are intended for purposes of illustration and description only and are not intended to limit the disclosure. The accompanying drawings, which are incorporated in and constitute part of the specification, illustrate subject matter of the disclosure. While the specification and drawings serve to explain the principles of the disclosure, they do not serve as limitations on the scope of the disclosure. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0020] Figure 1 It is the structural schematic drawing of the reforming reaction device of the utility model embodiment;
[0021] Figure 2 It is Figure 1An internal structure schematic diagram of the reforming reaction device shown;
[0022] Figure 3 For Figure 1 An internal structure schematic diagram of the reforming reaction device shown;
[0023] Figure 4 For Figure 1 An internal structure schematic diagram of the reforming reaction device shown.
[0024] Figure legend: 1 - shell; 2 - heat exchange core; 3 - reforming reaction pipeline; 4 - reaction carrier; 11 - heating gas inlet; 12 - heating gas outlet; 13 - reaction gas inlet; 14 - reaction gas outlet; 21 - reaction gas inlet flow channel; 22 - reaction gas outlet flow channel; 31 - reaction section; 32 - communication section. DETAILED DESCRIPTION
[0025] The technical solutions of the present application will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.
[0026] The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the application.
[0027] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of the present application.
[0028] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 present application 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 present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0029] In the description of the utility model, it is necessary to explain that, unless there are definite provisions and limitation, the terms "mount", "link", "connect" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements inside.For the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0030] In addition, the terms "horizontal", "vertical", "suspension" and other terms do not mean that the components must be absolutely horizontal or suspended, but can be slightly inclined. As "horizontal" only means that its direction is more horizontal relative to "vertical", not that the structure must be completely horizontal, but can be slightly inclined.
[0031] As Figures 1 to 4 The utility model discloses a reforming reaction device, including: casing 1, heat exchange core body 2 and reforming reaction pipeline 3;Heat exchange core body 2 is arranged in casing 1, and heat exchange core body 2 includes multiple reaction gas passages and multiple heating channels, and the reforming reaction pipeline 3 is equipped with reaction carrier 4, and the reaction carrier 4 is coated with catalyst;Casing 1 is equipped with heating gas import 11, heating gas export 12, reaction gas import 13 and reaction gas export 14, and heating gas import 11 and heating gas export 12 are all communicated with heating channel, and the reforming reaction pipeline 3, reaction gas import 13 and reaction gas export 14 are all communicated with reaction gas passage.
[0032] In the embodiment, the high-temperature exhaust gas generated in the SOFC system can be introduced into the heating gas import 11, and the heating gas import 11 enters the heating channel, at the same time, the reaction gas enters the reaction gas passage through the reaction gas import 13, in the heat exchange core body 2, the high-temperature exhaust gas and the reaction gas realize heat exchange, the reaction gas is heated, and after the reaction gas enters the reforming reaction pipeline 3 from the heat exchange core body 2, the reaction gas reacts with the catalyst on the reaction carrier 4. The reforming reaction device provided in the embodiment, the reaction gas is heated first and then reacts, that is, the heat exchange section and the reaction section 31 of the reaction gas are separated, so that the reaction temperature is easy to control, the reforming reaction temperature is easy to control in the ideal temperature range, and the damage of thermal stress in the heat exchange section due to temperature difference to the carrier and the catalyst can be avoided;On the other hand, the waste heat in the exhaust gas generated by the SOFC system can be utilized, and energy recovery is realized, so that energy can be saved.
[0033] As Figure 2Further based on the above embodiment, the number of the heat exchange cores 2 is N, the number of the reforming reaction pipes 3 is N-1, N is greater than or equal to 2 (for example: 2, 3, 4, 5 or 6, etc.); the heat exchange core 2 comprises a reaction gas inlet flow channel 21 and a reaction gas outlet flow channel 22, a plurality of reaction gas passages are in communication with the reaction gas inlet flow channel 21, and a plurality of reaction gas passages are in communication with the reaction gas outlet flow channel 22; the N heat exchange cores 2 are stacked, the reaction gas inlet 13 is in communication with the reaction gas inlet flow channel 21 in the first heat exchange core 2, and the reaction gas outlet 14 is in communication with the reaction gas outlet flow channel 22 in the last heat exchange core 2; the two heat exchange cores 2 in communication (the two heat exchange cores 2 can be spaced, and optionally, the two heat exchange cores 2 are adjacent, which can reduce the pipeline setting) are in communication, one end of the reforming reaction pipe 3 is in communication with the reaction gas outlet flow channel 22 in the previous heat exchange core 2, and the other end is in communication with the reaction gas inlet flow channel 21 in the next heat exchange core 2.
[0034] In this embodiment, the reaction gas enters the reaction gas inlet flow channel 21 in the first heat exchange core 2 from the reaction gas inlet 13, then flows through a plurality of reaction gas passages for heat exchange, enters the reaction gas outlet flow channel 22 in the first heat exchange core 2, and then enters the first reforming reaction pipe 3 for reforming reaction. The reacted gas enters the second heat exchange core 2 through the reaction gas inlet flow channel 21 in the second heat exchange core 2, then flows through a plurality of reaction gas passages for heat exchange, enters the reaction gas outlet flow channel 22 in the second heat exchange core 2, and then enters the second reforming reaction pipe 3 for reforming reaction again. In this way, the gas enters the last reforming reaction pipe 3 for reforming reaction, and then enters the reaction gas inlet flow channel 21 in the last heat exchange core 2. Finally, the gas flows out from the reaction gas outlet flow channel 22 in the last heat exchange core 2 to the reaction gas outlet 14. The reforming reaction device provided in this embodiment alternately arranges the heat exchanger and the reforming reaction pipe 3, which can realize layer-by-layer heating and reaction of the reaction gas, is conducive to controlling the reaction temperature, and can maintain the temperature in the reforming reaction pipes within the ideal range by controlling the heat exchange capacity.
[0035] Among them, the N heat exchange cores 2 are stacked in a direction to form a column, and the reforming reaction device can comprise a column of heat exchange cores 2, that is, the reforming reaction device comprises a single row of heat exchange cores 2. The reforming reaction device can also comprise multiple columns of heat exchange cores 2, which are arranged in another direction in sequence, that is, the reforming reaction device comprises multiple rows and multiple columns of heat exchange cores 2.
[0036] The heat exchange core 2 can include a plurality of heat exchange pipes (for example, the number of heat exchange pipes is two, three, four, five or six, etc.), the plurality of heat exchange pipes are arranged in a stacking manner along a certain direction, the heat exchange pipes form the reaction gas passage, and two adjacent heat exchange pipes are arranged at intervals to form the heating passage.
[0037] As an alternative, as shown in FIG. 2, the heat exchange core 2 includes a plurality of chip assemblies, the plurality of chip assemblies are arranged in a stacking manner along a certain direction, and the heating passage is formed between two adjacent chip assemblies; the chip assembly includes two chips arranged oppositely, and the reaction gas passage is formed between the two chips. In this embodiment, the heat exchange core 2 is a plate-type heat exchange core 2, and the volume of the heat exchange core 2 with this structure is easy to control. Figure 3
[0038] On the basis of the above-mentioned embodiments, further, a space is provided between the heat exchange core 2 and the inner wall of the shell 1 to form the heating passage, so that the heating gas inlet 11 and the heating gas outlet 12 can be directly arranged on the shell 1 and communicate with the inner cavity of the shell 1, avoiding the arrangement of excessive pipelines to communicate with the heating passage in the heat exchange core 2, so that the structure of the reforming reaction device is simple.
[0039] As shown in FIG. 3, on the basis of the above-mentioned embodiments, further, the reforming reaction pipeline 3 includes a reaction section 31 and a communication section 32; the two ends of the reaction section 31 are connected with the communication section 32, the communication section 32 communicates with the reaction gas passage, and at least the reaction section 31 is located outside the shell 1. In this embodiment, the reaction section 31 is arranged outside the shell 1, which is conducive to controlling the reaction temperature. Figure 1 As shown in FIG. 4, on the basis of the above-mentioned embodiments, further, in the length direction of the heat exchange core 2, relative to the bottom plate of the shell 1, the first end of the heat exchange core 2 is arranged close to the bottom plate, and the second end of the heat exchange core 2 is arranged away from the bottom plate; the reaction gas inlet flow channel 21 is arranged at the first end of the heat exchange core 2, and the reaction gas outlet flow channel 22 is arranged at the second end of the heat exchange core 2.
[0040] Figure 2 In this embodiment, with the bottom plate of the shell 1 as a reference, the heat exchange core 2 is arranged obliquely, and the reaction gas passage is arranged obliquely, so that the reaction gas moves in the reaction gas passage from a lower end to a higher end, which can make the heat exchange of the reaction gas more complete.
[0041] As shown in FIG. 5, on the basis of the above-mentioned embodiments, further, a plurality of heat exchange cores 2 are arranged in parallel; the plurality of heat exchange cores 2 are arranged in a stacking manner from the direction away from the bottom plate to the direction close to the bottom plate, the reaction gas inlet flow channel 21 communicates with the heat exchange core 2 close to the bottom plate, and the heating gas inlet 11 communicates with the heat exchange core 2 away from the bottom plate.
[0042] As shown in FIG. 6, on the basis of the above-mentioned embodiments, further, a plurality of heat exchange cores 2 are arranged in parallel; the plurality of heat exchange cores 2 are arranged in a stacking manner from the direction away from the bottom plate to the direction close to the bottom plate, the reaction gas inlet flow channel 21 communicates with the heat exchange core 2 close to the bottom plate, and the heating gas inlet 11 communicates with the heat exchange core 2 away from the bottom plate. Figure 2
[0043] In this embodiment, the direction away from the base plate is defined as upward, and the direction closer to the base plate is defined as downward. Multiple heat exchange cores 2 are stacked from top to bottom, with the first heat exchange core 2 located at the bottom and the last heat exchange core 2 located at the top. The reaction gas undergoes reforming reaction layer by layer from bottom to top. The reaction gas inlet 13 is connected to the bottom heat exchange core 2, and the heating gas inlet 11 is connected to the top heat exchange core 2, allowing for cross-heat exchange between the reaction gas and the heating gas, resulting in high heat exchange efficiency.
[0044] Specifically, the inner wall of the reaction carrier 4 and the reforming reaction pipeline 3 has a corresponding surface, which can ensure the smooth progress of the reaction.
[0045] The reaction carrier 4 is arranged in a columnar shape, and the cross-sectional shape of the reaction carrier 4 can be triangular, quadrilateral, pentagonal, hexagonal or octagonal, etc.
[0046] As an alternative, such as Figure 4 As shown, the cross-sectional shape of the reaction carrier 4 is circular, that is, the reaction carrier 4 is cylindrical, which allows for more complete contact between the reactant gas and the catalyst, resulting in a more complete reaction.
[0047] Specifically, installing turbulence vanes in the reaction gas channel can improve the heat exchange effect.
[0048] Of course, the reforming reactor in this application is not limited to heating the reaction gas, but can also be used for heating other liquids. Furthermore, the reforming reactor is not limited to SOFC systems, but can also be used in other equipment.
[0049] This embodiment of the invention provides an SOFC system, including an exhaust gas pipeline and a reforming reaction device according to any of the above-described technical solutions, wherein the exhaust gas pipeline is connected to a heating gas inlet 11. The beneficial effects of the SOFC system provided by this embodiment, including the reforming reaction device according to any of the above-described technical solutions, are not elaborated here.
[0050] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them. Although the present application 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 recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced equivalently. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application. In the specification provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the present application can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not described in detail in order not to obscure the understanding of the present specification. In addition, those skilled in the art can understand that although some embodiments described herein include some features included in other embodiments but not others, the combination of features of different embodiments means to be within the scope of the present application and forms different embodiments.
Claims
1. A reforming reaction apparatus, characterized in that, The application relates to a heat exchange device for a reforming reaction, which comprises a shell (1), a heat exchange core (2) and a reforming reaction pipeline (3); the heat exchange core (2) is arranged in the shell (1), the heat exchange core (2) comprises a plurality of reaction gas channels and a plurality of heating channels, a reaction carrier (4) is arranged in the reforming reaction pipeline (3), and a catalyst is coated on the reaction carrier (4); a heating gas inlet (11), a heating gas outlet (12), a reaction gas inlet (13) and a reaction gas outlet (14) are arranged on the shell (1), the heating gas inlet (11) and the heating gas outlet (12) are communicated with the heating channels, and the reforming reaction pipeline (3), the reaction gas inlet (13) and the reaction gas outlet (14) are communicated with the reaction gas channels. The number of the heat exchange cores (2) is N, the number of the reforming reaction pipelines (3) is N-1, and N is greater than or equal to 2; the heat exchange core (2) comprises a reaction gas entering flow channel (21) and a reaction gas flowing-out flow channel (22), a plurality of the reaction gas channels are communicated with the reaction gas entering flow channel (21), and a plurality of the reaction gas channels are communicated with the reaction gas flowing-out flow channel (22); 2. The reforming reaction apparatus according to claim 1, characterized by N heat exchange cores (2) are arranged in a stacking mode, the reaction gas inlet (13) is communicated with the reaction gas entering flow channel (21) in the first heat exchange core (2), the reaction gas outlet (14) is communicated with the reaction gas flowing-out flow channel (22) in the last heat exchange core (2), and one end of the reforming reaction pipeline (3) is communicated with the reaction gas flowing-out flow channel (22) in the last heat exchange core (2) and the other end of the reforming reaction pipeline (3) is communicated with the reaction gas entering flow channel (21) in the next heat exchange core (2). The heat exchange core (2) comprises a plurality of chip assemblies, the plurality of chip assemblies are arranged in a stacking mode along a set direction, a spacing is arranged between two adjacent chip assemblies to form the heating channels, and the chip assembly comprises two oppositely arranged chips, and the reaction gas channel is formed between the two chips.
3. The reforming reaction apparatus according to claim 2, wherein A spacing is arranged between the heat exchange core (2) and the inner wall of the shell (1) to form the heating channels.
4. The reforming reaction apparatus according to claim 3, wherein The reforming reaction pipeline (3) comprises a reaction section (31) and a communicating section (32), both ends of the reaction section (31) are connected with the communicating section (32), the communicating section (32) is communicated with the reaction gas channels, and at least the reaction section (31) is located outside the shell (1).
5. The reforming reaction apparatus according to claim 3, wherein In the length direction of the heat exchange core (2), the first end of the heat exchange core (2) is arranged close to the bottom plate of the shell (1), and the second end of the heat exchange core (2) is arranged away from the bottom plate; the reaction gas entering flow channel (21) is arranged at the first end of the heat exchange core (2), and the reaction gas flowing-out flow channel (22) is arranged at the second end of the heat exchange core (2).
6. The reforming reaction apparatus according to claim 2, wherein 7. The reforming reaction apparatus according to claim 6, wherein A plurality of said heat exchange cores (2) are arranged in parallel; a plurality of said heat exchange cores (2) are arranged in a stack from a direction away from the bottom plate to a direction close to the bottom plate, the reaction gas inlet channel is communicated with the heat exchange core (2) close to the bottom plate, and the heating gas inlet (11) is communicated with the heat exchange core (2) away from the bottom plate.
8. The reforming reaction apparatus according to claim 1, wherein The inner wall of the reaction carrier (4) and the reforming reaction pipeline (3) has a corresponding surface.
9. The reforming reaction apparatus according to any one of claims 1 to 8, characterized by A turbulent flow sheet is arranged in the reaction gas channel.
10. A SOFC system characterized by, The reforming reaction device as claimed in any one of claims 1-9 is arranged in an exhaust gas pipeline communicated with the heating gas inlet (11).