Reforming module
By using tubular and plate heat exchangers in the reforming module to heat methanol with the waste heat of tail gas and hydrogen-rich gas, the problems of high energy consumption and large device size in the traditional methanol reforming hydrogen production process are solved, and structural integration and energy efficiency are improved.
Patent Information
- Application Number
- CN202520157626.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-23
AI Technical Summary
In the traditional methanol reforming process for hydrogen production, the high-temperature heating method results in high energy consumption and complex and large-sized equipment.
The reforming module is used to heat methanol by utilizing the waste heat of the exhaust gas and hydrogen-rich gas through tubular and plate heat exchangers, reducing the need for heating devices and achieving structural integration.
This reduces energy consumption, decreases the size of the reformer, and enhances market competitiveness.
Smart Images

Figure CN223788491U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of reformer technology, and in particular to a reforming module. Background Technology
[0002] A methanol reformer is a device that uses catalytic reforming technology to convert a methanol-water solution, which is in a liquid state at room temperature, into a hydrogen-rich gas. Its main working principle is that, through the action of a catalyst, the methanol-water solution undergoes cracking and conversion reactions to produce hydrogen and carbon dioxide. Methanol reformers have wide applications in the field of fuel cells. Especially in high-temperature fuel cells, methanol reformers can convert methanol into hydrogen for power generation. This technology has significant advantages in reducing hydrogen production costs and improving energy conversion efficiency.
[0003] Currently, methanol reforming for hydrogen production typically requires high temperatures to sustain the reaction. However, traditional heating methods such as electric heating and fuel combustion result in additional energy consumption, increased device complexity, and larger size. Therefore, a reforming module is proposed. Utility Model Content
[0004] This utility model is a reorganization module proposed to overcome the shortcomings of the existing technology.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a reforming module, including a base, wherein a reformer body is fixedly connected to the top of the base;
[0006] A mounting bracket is fixedly connected to one side of the top of the base. A tubular heat exchanger is fixedly connected to one side of the outer surface of the mounting bracket. A first methanol pipe and a hydrogen-rich gas output pipe are fixedly connected between the tubular heat exchanger and the main body of the reformer. A pure methanol pump is fixedly embedded in one side of the outer surface of the mounting bracket. A second methanol pipe is fixedly connected between the output end of the pure methanol pump and the tubular heat exchanger.
[0007] A methanol water pump is fixedly embedded on one side of the outer surface of the mounting frame, and a methanol water pipe is fixedly connected between the output end of the methanol water pump and the main body of the reformer.
[0008] A plate heat exchanger is fixedly installed on the other side of the outer surface of the mounting bracket. A tail gas pipe is fixedly connected between the main body of the reformer and the plate heat exchanger. A fixed pipe is fixedly connected to the bottom of the plate heat exchanger. The fixed pipe passes through the base and is fixedly connected to a conveying pipe. The conveying pipe passes through the base and is fixedly connected to the main body of the reformer. An air pump is provided on one side of the top of the plate heat exchanger. An air pipe is fixedly connected between the output end of the air pump and the plate heat exchanger.
[0009] Furthermore, the bottom of the reformer body is provided with a pure methanol inlet, a methanol-water inlet, and a hydrogen-rich gas outlet. The pure methanol inlet is fixedly connected to the first methanol pipe, the methanol-water inlet is fixedly connected to the methanol-water pipe, and the hydrogen-rich gas outlet is fixedly connected to the hydrogen-rich gas output pipe.
[0010] Furthermore, the tubular heat exchanger is provided with a hot medium inlet, a hot medium outlet, a cold medium inlet, and a cold medium outlet. The hot medium inlet is fixedly connected to the hydrogen-rich gas output pipe, the cold medium inlet is fixedly connected to the second methanol pipe, and the cold medium outlet is fixedly connected to the first methanol pipe.
[0011] Furthermore, the top of the reformer body is provided with an exhaust gas outlet, which is fixedly connected to the exhaust gas pipe, and the bottom of the reformer body is provided with an air inlet, which is fixedly connected to the delivery pipe.
[0012] Furthermore, the plate heat exchanger is provided with an air inlet, an air outlet, an exhaust gas inlet, and an exhaust gas outlet, and the air inlet is fixedly connected to the air pipe, the air outlet is fixedly connected to the fixed pipe, and the exhaust gas inlet is fixedly connected to the exhaust gas pipe.
[0013] Furthermore, the exhaust outlet is fixedly connected to an exhaust pipe.
[0014] Furthermore, the tubular heat exchanger is fixed to the mounting bracket by pipe clamps.
[0015] The beneficial effects of this utility model are:
[0016] In use, this reforming module, through its mounting frame, tubular heat exchanger, plate heat exchanger, first methanol pipe, hydrogen-rich gas output pipe, second methanol pipe, pure methanol pump, methanol-water pump, methanol-water pipe, tail gas pipe, gas pipe, delivery pipe, fixed connection, and air pump, can heat the incoming air and methanol using the waste heat from the exhaust gas and hydrogen-rich gas during operation. This reduces the need for heating devices, shrinks the reformer structure, lowers the overall volume, achieves high integration, reduces the footprint, and enhances market competitiveness. Attached Figure Description
[0017] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 : A first-view structural diagram of the present invention;
[0019] Figure 2 : Overall second-view structural diagram of this utility model;
[0020] Figure 3 : Overall third-view structural diagram of this utility model.
[0021] The attached figures are labeled as follows:
[0022] 1. Base; 2. Delivery pipe; 3. Exhaust pipe; 4. Methanol-water pipe; 5. Second methanol pipe; 6. Methanol pump; 7. Methanol-water pump; 8. Air pump; 9. Reformer body; 10. Tail gas pipe; 11. Gas pipe; 12. Plate heat exchanger; 13. Mounting bracket; 14. Tube heat exchanger; 15. First methanol pipe; 16. Hydrogen-rich gas output pipe; 17. Fixing pipe. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0025] like Figures 1 to 3 As shown, a reforming module is disclosed, including a base 1, on the top of which a reformer body 9 is fixedly connected.
[0026] A mounting bracket 13 is fixedly connected to one side of the top of the base 1. A tubular heat exchanger 14 is fixedly connected to one side of the outer surface of the mounting bracket 13. The tubular heat exchanger 14 is fixed to the mounting bracket 13 by pipe clamps, and the pipe clamps are fixed to the mounting bracket 13 by bolts, which facilitates the assembly and disassembly of the tubular heat exchanger 14 and the mounting bracket 13. A first methanol pipe 15 and a hydrogen-rich gas output pipe 16 are fixedly connected between the tubular heat exchanger 14 and the reformer body 9. A pure methanol pump 6 is fixedly embedded on one side of the outer surface of the mounting bracket 13. A second methanol pipe 5 is fixedly connected between the output end of the pure methanol pump 6 and the tubular heat exchanger 14. A methanol water pump 7 is fixedly embedded on one side of the outer surface of the mounting bracket 13. A methanol water pipe 4 is fixedly connected between the output end of the methanol water pump 7 and the reformer body 9. The bottom of the reformer body 9 is provided with a pure methanol inlet, a methanol water inlet, and a hydrogen-rich gas outlet. The pure methanol inlet is connected to the... The first methanol pipe 15 is fixedly connected, and the methanol-water inlet is fixedly connected to the methanol-water pipe 4. The hydrogen-rich gas outlet is fixedly connected to the hydrogen-rich gas outlet pipe 16. The tubular heat exchanger 14 is provided with a hot medium inlet, a hot medium outlet, a cold medium inlet, and a cold medium outlet. The hot medium inlet is fixedly connected to the hydrogen-rich gas outlet pipe 16, and the cold medium inlet is fixedly connected to the second methanol pipe 5. The cold medium outlet is fixedly connected to the first methanol pipe 15. In this application, the tubular heat exchanger 14 is a shell-and-tube heat exchanger. The inner and outer tubes of the shell-and-tube heat exchanger are connected in sequence with short tubes. It is suitable for small-capacity heat exchange. In use, pure methanol enters the tubular heat exchanger 14 through the cold medium inlet, and hydrogen-rich gas enters the tubular heat exchanger 14 through the hot medium inlet. The pure methanol and hydrogen-rich gas exchange heat in the tubular heat exchanger 14. The heated pure methanol enters the first methanol pipe 15, and the hydrogen-rich gas after heat exchange is discharged to the next module through the hot medium outlet.
[0027] A plate heat exchanger 12 is fixedly installed on the other side of the outer surface of the mounting bracket 13. A tail gas pipe 10 is fixedly connected between the reformer body 9 and the plate heat exchanger 12. A fixing pipe 17 is fixedly connected to the bottom of the plate heat exchanger 12, and the fixing pipe 17 passes through the base 1 and is fixedly connected to a conveying pipe 2. The conveying pipe 2 passes through the base 1 and is fixedly connected to the reformer body 9. An air pump 8 is provided on one side of the top of the plate heat exchanger 12. An air filter should be installed at the output end of the air pump 8 to filter the incoming air and prevent impurities in the air from entering the reformer body 9. An air pipe 11 is fixedly connected between the output end of the air pump 8 and the plate heat exchanger 12. A tail gas outlet is provided at the top of the reformer body 9. The exhaust gas outlet is fixedly connected to the exhaust gas pipe 10. The bottom of the reformer body 9 is provided with an air inlet, which is fixedly connected to the conveying pipe 2. The plate heat exchanger 12 is provided with an air inlet, an air outlet, an exhaust gas inlet, and an exhaust gas outlet. The air inlet is fixedly connected to the gas pipe 11, and the air outlet is fixedly connected to the fixed pipe 17. The exhaust gas inlet is fixedly connected to the exhaust gas pipe 10. The exhaust gas outlet is fixedly connected to the exhaust pipe 3. In use, the exhaust gas with heat enters the plate heat exchanger 12 through the exhaust gas inlet, and the air enters the plate heat exchanger 12 through the air inlet. The air and the exhaust gas exchange heat in the plate heat exchanger 12. The heated air enters the fixed pipe 17 through the air outlet, and the exhaust gas after heat exchange enters the exhaust pipe 3 through the exhaust gas outlet.
[0028] Working principle: After running for a period of time, the air pump 8 delivers outside air to the air pipe 11, and then enters the plate heat exchanger 12 through the air inlet. The reacted exhaust gas enters the exhaust pipe 10 through the exhaust gas outlet of the reformer body 9, and then enters the plate heat exchanger 12 through the exhaust gas inlet. The air and exhaust gas exchange heat in the plate heat exchanger 12. The exhaust gas after heat exchange enters the exhaust pipe 3 through the exhaust gas outlet. The heated air enters the fixed pipe 17 through the air outlet, and then enters the flameless combustion chamber in the reformer body 9 through the delivery pipe 2, where flameless combustion is carried out sequentially. The combustion chamber and catalyst chamber produce hydrogen-rich gas, which then enters the tubular heat exchanger 14 through the hot medium inlet. Pure methanol is pumped to the second methanol pipe 5 by the methanol pump 6. Pure methanol enters the tubular heat exchanger 14 through the cold medium inlet. Pure methanol and hydrogen-rich gas exchange heat in the tubular heat exchanger 14. The heated pure methanol enters the first methanol pipe 15. The hydrogen-rich gas after heat exchange is discharged to the next module through the hot medium outlet. Methanol-water is pumped to the methanol-water pipe 4 by the methanol-water pump 7 and then enters the reformer body 9.
[0029] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A reforming module, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to the reformer body (9); A mounting bracket (13) is fixedly connected to one side of the top of the base (1). A tubular heat exchanger (14) is fixedly connected to one side of the outer surface of the mounting bracket (13). A first methanol pipe (15) and a hydrogen-rich gas output pipe (16) are fixedly connected between the tubular heat exchanger (14) and the reformer body (9). A pure methanol pump (6) is fixedly embedded on one side of the outer surface of the mounting bracket (13). A second methanol pipe (5) is fixedly connected between the output end of the pure methanol pump (6) and the tubular heat exchanger (14). A methanol water pump (7) is fixedly embedded on one side of the outer surface of the mounting bracket (13), and a methanol water pipe (4) is fixedly connected between the output end of the methanol water pump (7) and the main body of the reformer (9). A plate heat exchanger (12) is fixedly installed on the other side of the outer surface of the mounting bracket (13). A tail gas pipe (10) is fixedly connected between the reformer body (9) and the plate heat exchanger (12). A fixed pipe (17) is fixedly connected to the bottom of the plate heat exchanger (12). The fixed pipe (17) passes through the base (1) and is fixedly connected to the conveying pipe (2). The conveying pipe (2) passes through the base (1) and is fixedly connected to the reformer body (9). An air pump (8) is provided on one side of the top of the plate heat exchanger (12). An air pipe (11) is fixedly connected between the output end of the air pump (8) and the plate heat exchanger (12).
2. A reorganization module according to claim 1, characterized in that: The bottom of the reformer body (9) is provided with a pure methanol inlet, a methanol-water inlet, and a hydrogen-rich gas outlet. The pure methanol inlet is fixedly connected to the first methanol pipe (15), the methanol-water inlet is fixedly connected to the methanol-water pipe (4), and the hydrogen-rich gas outlet is fixedly connected to the hydrogen-rich gas output pipe (16).
3. A reorganization module according to claim 1, characterized in that: The tubular heat exchanger (14) is provided with a hot medium inlet, a hot medium outlet, a cold medium inlet and a cold medium outlet. The hot medium inlet is fixedly connected to the hydrogen-rich gas output pipe (16), the cold medium inlet is fixedly connected to the second methanol pipe (5), and the cold medium outlet is fixedly connected to the first methanol pipe (15).
4. A reorganization module according to claim 1, characterized in that: The top of the reformer body (9) is provided with an exhaust gas outlet, and the exhaust gas outlet is fixedly connected to the exhaust gas pipe (10). The bottom of the reformer body (9) is provided with an air inlet, and the air inlet is fixedly connected to the delivery pipe (2).
5. A reorganization module according to claim 1, characterized in that: The plate heat exchanger (12) is provided with an air inlet, an air outlet, a tail gas inlet, and a tail gas outlet. The air inlet is fixedly connected to the air pipe (11), the air outlet is fixedly connected to the fixed pipe (17), and the tail gas inlet is fixedly connected to the tail gas pipe (10).
6. A reorganization module according to claim 5, characterized in that: The exhaust outlet is fixedly connected to an exhaust pipe (3).
7. A reorganization module according to claim 1, characterized in that: The tubular heat exchanger (14) is fixed to the mounting bracket (13) by pipe clamps.