CN218709189U - Methanol reformer - Google Patents
Methanol reformer Download PDFInfo
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- CN218709189U CN218709189U CN202223088437.4U CN202223088437U CN218709189U CN 218709189 U CN218709189 U CN 218709189U CN 202223088437 U CN202223088437 U CN 202223088437U CN 218709189 U CN218709189 U CN 218709189U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model discloses a methanol reformer, which relates to the technical field of hydrogen production by methanol reforming, and comprises a reformer sleeve, wherein the reformer sleeve is coaxially sleeved outside a tail gas pipe, a spiral blade is arranged in the reformer sleeve, a spiral methanol catalytic reforming flow passage is formed between the reformer sleeve and the spiral blade, a methanol reforming hydrogen production catalyst is loaded in the methanol catalytic reforming flow passage, and two end parts of the reformer sleeve are respectively provided with a methanol water inlet and a hydrogen-rich gas outlet; the spiral blade adopts a hollow spiral blade, the inner cavity of the hollow spiral blade is a methanol catalytic heating flow channel, and a methanol heating catalyst is loaded in the methanol catalytic heating flow channel. The utility model discloses utilize the high temperature tail gas in the exhaust pipe and the interior methyl alcohol catalytic reforming runner of hollow helical blade heating reformer cover pipe, satisfy the high temperature environment of methyl alcohol reforming hydrogen manufacturing, methyl alcohol reforming hydrogen manufacturing in-process mainly utilizes the tail gas heat in the tail gas pipe, and the external energy volume of consumption is very few.
Description
Technical Field
The utility model relates to a methanol reforming hydrogen manufacturing technical field specifically is to utilize the intraductal high caloric methanol reformer of tail gas.
Background
The hydrogen production by methanol reforming mainly comprises hydrogen production by methanol steam reforming, hydrogen production by methanol partial oxidation reforming and hydrogen production by methanol autothermal reforming, wherein the hydrogen production technology by methanol steam reforming is the most mature. The main reaction of methanol steam reforming hydrogen production is endothermic reaction, external heat supply is needed, oxygen is not needed, the reaction temperature is low, and 1mol of methanol can react to generate 3mol of hydrogen. With the continuous development of methanol reforming hydrogen production technology, catalysts with higher activity and more stability are developed in succession, wherein the catalysts mainly comprise two types, one type is a non-noble metal catalyst, and the other type is a Cu-based catalyst (such as CuO/ZnO/Al) 2 O 3 Etc.) and non-Cu-based catalysts (e.g., zn — Cr, ni-based, etc.); another class is noble metal catalysts, such as Pd-based catalysts.
Currently, there are also methanol flameless combustion catalysts, such as Pt/Al 2 O 3 Methanol and oxygen react on the catalyst to produce catalytic fuel, and the reaction releases heat.
There are studies showing that H is input to the engine 2 And combustible gases such as CO can improve the combustion condition in the cylinder, reduce the emission of pollutants of the automobile and save fuel. Methanol is a stable liquid fuel, and a methanol reformer is adopted to produce hydrogen by taking methanol water as a raw material, and the hydrogen is input into an engine, so that the methanol fuel has a positive effect on the engine.
However, the conventional methanol reformer needs external heat supply, and a large amount of external energy is consumed by adopting an electric heating or combustion heating mode, so that the conventional methanol reformer is not beneficial to the practical application of the vehicle-mounted methanol reformer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a methyl alcohol reformer utilizes the high temperature tail gas in the tail gas pipe and the heat of the flameless burning of methyl alcohol to heat the methyl alcohol reformer jointly, can make the efficient reformation hydrogen manufacturing reaction of methyl alcohol vapor on the catalyst, realizes the used heat utilization in the tail gas pipe.
In order to achieve the above object, the utility model provides a following technical scheme: a methanol reformer, comprising:
the reformer sleeve is coaxially sleeved outside the tail gas pipe, the spiral blades are arranged in the reformer sleeve, a spiral methanol catalytic reforming flow channel is formed between the reformer sleeve and the spiral blades, a methanol reforming hydrogen production catalyst is loaded on the inner wall of the reformer sleeve and the outer wall of each spiral blade, and a methanol water inlet and a hydrogen rich gas outlet are respectively formed at two end parts of the reformer sleeve;
the spiral blade adopts hollow spiral blade, hollow spiral blade's interior cavity is the methyl alcohol catalysis runner that generates heat, the interior load of methyl alcohol catalysis runner that generates heat has the methyl alcohol catalyst that generates heat, hollow spiral blade's a tip is equipped with methyl alcohol entry and air inlet, hollow spiral blade's another tip is equipped with the tail gas outlet.
By adopting the technical scheme, the high-temperature tail gas flowing through the tail gas pipe uniformly conducts heat into the reformer sleeve through the heat conduction oil in the heat conduction sleeve, heats the fluid flowing through the reformer sleeve and achieves the effect of waste heat utilization. Because the hollow spiral blade is installed, the methanol catalytic reforming flow channel forms a spiral flow channel, methanol steam input into the reformer sleeve can flow along the spiral methanol catalytic reforming flow channel, the stroke of the methanol steam in the methanol catalytic reforming flow channel is increased, air flow can be disturbed, the reaction efficiency of the methanol steam on the methanol heating catalyst can be improved, the methanol steam generates a hydrogen production reaction on the methanol heating catalyst, and hydrogen-rich reformed gas with high hydrogen concentration is produced.
The hollow spiral blade is designed into a hollow structure, the inner cavity of the hollow spiral blade is used as a methanol catalytic heating flow channel, methanol steam and air are input into the hollow spiral blade, methanol and oxygen generate catalytic oxidation reduction reaction on a methanol heating catalyst to generate a large amount of heat, the methanol catalytic reforming flow channel is further heated, the high-temperature heat required by the methanol reforming hydrogen production reaction is met, and the reaction efficiency of the methanol reforming hydrogen production is greatly improved.
Preferably, the device also comprises a methanol preheating pipe, the middle section of the methanol preheating pipe is positioned in the tail gas pipe, the inlet and the outlet of the methanol preheating pipe extend out of the tail gas pipe, and the outlet of the methanol preheating pipe is communicated with the methanol inlet.
By adopting the technical scheme, the methanol preheating pipe is used for conveying methanol vapor to the methanol catalytic heating flow channel in the hollow spiral blade; the middle section of the methanol preheating pipe penetrates through the tail gas pipe, so that methanol liquid can be rapidly heated and heated to be changed into high-temperature methanol steam, the high-temperature methanol steam is input into the hollow spiral blade, and the high-temperature methanol steam reacts with oxygen under the action of the methanol heating catalyst and is combusted to release heat. Methanol liquid is preheated in the tail gas pipe to become high-temperature methanol steam and then is input into the hollow spiral blade, so that the heating reaction efficiency of methanol and oxygen can be greatly improved, and the hollow spiral blade can transfer higher heat into a methanol catalytic reforming flow channel.
Preferably, still include the methanol-water preheating pipe, the middle section of methanol-water preheating pipe is located the tail-gas tube, the tail-gas tube is outside all stretched out in the entry and the export of methanol-water preheating pipe, the export and the methanol-water entry intercommunication of methanol-water preheating pipe.
By adopting the technical scheme, the methanol water preheating pipe is used for conveying methanol steam into the reformer sleeve; the middle section of the methanol water preheating pipe penetrates through the tail gas pipe, the methanol water is preheated by utilizing the heat in the tail gas pipe to be changed into high-temperature methanol steam, the high-temperature methanol steam is input into the spiral methanol catalytic reforming flow channel in the reformer sleeve, the high-temperature methanol steam is easier to flow in the methanol catalytic reforming flow channel, the catalytic reaction efficiency of the high-temperature methanol steam on the methanol reforming hydrogen production catalyst is higher, and the heat in the tail gas pipe is fully utilized.
Preferably, the middle section of the methanol preheating pipe and the middle section of the methanol water preheating pipe are in a linear shape, a wave shape or a spiral shape.
Through adopting above-mentioned technical scheme, adopt the stroke in wave and the multiplicable methyl alcohol preheating pipe of spiral and methyl alcohol water preheating pipe middle section, the tail gas pipe is long to the heating time of inside fluid for methyl alcohol and methyl alcohol water in two preheating pipes can preheat to higher temperature. The linear preheating pipes are simple to process, but the temperature to which the methanol and the methanol water in the two preheating pipes can be preheated is lower.
Preferably, the heat conduction sleeve comprises a heat conduction inner wall and a heat conduction outer wall, the heat conduction inner wall is in contact with the outer wall of the tail gas pipe, a heat conduction oil cavity is arranged between the heat conduction inner wall and the heat conduction outer wall, and heat conduction oil is injected into the heat conduction oil cavity.
By adopting the technical scheme, the heat conduction sleeve is of a double-layer structure, the heat conduction oil cavity is formed in the middle of the heat conduction sleeve, and the heat conduction oil can conduct the heat of the tail gas pipe into the reformer sleeve in a balanced manner, so that the temperature difference between the front section and the rear section of the temperature conducted into the reformer sleeve after the front temperature and the rear temperature in the tail gas pipe are reduced is avoided.
Compared with the prior art, the utility model provides a methanol reformer has following beneficial effect:
1. the reformer sleeve of the utility model is sleeved outside the tail gas pipe, the methanol catalytic reforming flow channel in the reformer sleeve is heated by utilizing the high-temperature tail gas in the tail gas pipe, the waste heat is recycled, and the methanol steam input into the methanol catalytic reforming flow channel produces hydrogen-rich gas under the action of the methanol reforming hydrogen production catalyst; in the process of hydrogen production by methanol reforming, the heat of tail gas in a tail gas pipe is mainly utilized, and the consumed external energy quantity is very small.
2. The spiral blades are arranged in the reformer sleeve, so that a spiral methanol catalytic reforming flow channel is formed between the reformer sleeve and the spiral blades, methanol steam input into the reformer sleeve can flow along the spiral methanol catalytic reforming flow channel, the stroke of the methanol steam is increased, the air flow can be disturbed, the reaction efficiency of the methanol steam on the methanol heating catalyst can be improved, and hydrogen-rich reformed gas with high hydrogen concentration is produced.
3. The spiral blade adopts a hollow spiral blade, the inner cavity of the spiral blade is used as a methanol catalytic heating flow channel, methanol steam and air are input into the methanol catalytic heating flow channel, the methanol steam and oxygen generate oxidation-reduction reaction on a methanol heating catalyst to release high heat, the methanol catalytic reforming flow channel in the sleeve of the reformer is further heated, a high-temperature environment required by the methanol reforming hydrogen production reaction is provided, and the efficiency of the methanol reforming hydrogen production is greatly improved.
4. The middle sections of the methanol preheating pipe and the methanol water preheating pipe penetrate through the tail gas pipe, the methanol and the methanol water are heated by the high temperature in the tail gas pipe to be changed into high-temperature methanol steam and high-temperature methanol steam, then the methanol steam is input into the spiral blades, and the methanol steam is input into the reformer sleeve pipe, so that the catalytic heating efficiency of the methanol and the hydrogen production efficiency of the methanol reforming can be greatly improved.
5. The heat conducting oil in the heat conducting sleeve can conduct the heat in the tail gas pipe to the reformer sleeve in a balanced manner, so that the phenomenon of uneven heating in the reformer sleeve is avoided.
Drawings
FIG. 1 is a front view of a methanol reformer according to a first embodiment;
FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1 according to the first embodiment;
FIG. 3 is a cross-sectional view taken along the line B-B in FIG. 1 according to the first embodiment;
FIG. 4 is a perspective view of a methanol reformer according to a first embodiment;
FIG. 5 is a perspective view of a hollow spiral vane of the first embodiment;
FIG. 6 is an enlarged view of a portion of the hollow spiral vane of the first embodiment;
FIG. 7 is a sectional view of a methanol reformer according to a second embodiment;
FIG. 8 is a cross-sectional view of a reformer sleeve and a heat transfer sleeve according to a second embodiment;
fig. 9 is an enlarged view of the second embodiment at C in fig. 8.
Reference numerals: 1. a tail gas pipe; 2. a reformer sleeve; 21. an inner wall of the reformer; 22. an outer wall of the reformer; 23. a methanol catalytic reforming flow channel; 24. a methanol water inlet; 25. a hydrogen-rich gas outlet; 3. a hollow helical blade; 31. a methanol catalytic heating flow channel; 32. a methanol inlet; 33. an air inlet; 34. a joint; 4. a first end plate; 5. a methanol preheating pipe; 6. a methanol water preheating pipe; 7. a heat conducting sleeve; 71. a thermally conductive inner wall; 72. a thermally conductive outer wall; 73. a heat conducting oil cavity; 8. a reformer sleeve; 9. and a second end plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention
Furthermore, it should be noted that in the description of the present invention, the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise explicitly stated or limited. For example, it may be a fixed connection, a detachable connection or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model provides a methanol reformer, the suit is on the tail gas pipe of engine, utilizes the heat of high temperature tail gas in the tail gas pipe of engine to carry out methanol reforming hydrogen manufacturing reaction, and the hydrogen-rich gas accessible of production collects hydrogen pipe and inputs in the cylinder body of engine. This example is only described with respect to the methanol reformer section.
Example one
Referring to fig. 1 to 3, the methanol reformer includes a reformer sleeve and a spiral blade, the reformer sleeve 2 is coaxially sleeved outside the tail gas pipe 1, and the reformer sleeve 2 is in surface contact with the tail gas pipe 1, which is beneficial for heat conduction. The reformer sleeve 2 is a hollow double-layer sleeve, and the inner cavity of the reformer sleeve 2 is a methanol catalytic reforming flow passage 23. In order to increase the stroke of methanol steam in the methanol catalytic reforming flow channel 23 and enable the methanol steam to be in full contact reaction with a methanol reforming hydrogen production catalyst, a spiral blade is installed in the methanol catalytic reforming flow channel 23 of the reformer sleeve 2, the spiral blade is a hollow spiral blade 3, the hollow spiral blade 3 is arranged along the axial direction of the reformer sleeve 2, the side edge of the hollow spiral blade 3 is fixedly connected with the inner wall of the reformer sleeve 2, and the spiral methanol catalytic reforming flow channel 23 is formed between the reformer sleeve 2 and the hollow spiral blade 3. Methanol reforming hydrogen production catalysts are loaded on the inner wall of the reformer sleeve 2 and the hollow spiral blades 3, methanol steam input into the methanol catalytic reforming flow channel 23 flows along the spiral methanol catalytic reforming flow channel 23, and the reaction efficiency of the methanol steam on the methanol reforming hydrogen production catalysts is high.
The two end parts of the reformer sleeve 2 are provided with end plates I4 respectively for sealing two ports of the reformer sleeve 2, a methanol water inlet 24 and a hydrogen-rich gas outlet 25 are respectively arranged on the two end plates I4, the methanol water inlet 24 is used for inputting methanol steam into the methanol catalytic reforming flow channel 23, reforming hydrogen production reaction occurs under the action of the methanol reforming hydrogen production catalyst, and H is produced 2 、CO 2 CO and H 2 The hydrogen-rich gas is output from the hydrogen-rich gas outlet 25. The catalyst for hydrogen production by methanol reforming can be non-noble metal catalyst.
Further, the hollow spiral blade 3 is formed integrally and comprises two spiral side plates and two sealing plates, the two spiral side plates are arranged in parallel, a sealed cavity is enclosed between the two spiral side plates and the two sealing plates, and a spiral methanol catalytic heating flow channel 31 is arranged in the cavity and used for flowing methanol steam and air. Methanol heating catalyst is loaded in the methanol catalytic heating flow passage 31, and the methanol heating catalyst is preferably Pt/Al 2 O 3 Is a catalyst. One end of the hollow spiral blade 3 is provided with a methanol inlet 32 and an air inlet 33, the methanol inlet 32 and the air inlet 33 both extend out from the first end plate 4, methanol is input into the methanol catalytic heating flow passage 31 from the methanol inlet 32, and air is input into the methanol catalytic heating flow passage 31 from the air inlet 33. The other end part of the hollow spiral blade 3 is provided with a tail gas outlet, methanol and oxygen are subjected to oxidation reduction reaction on a methanol heating catalyst to release a large amount of heat, and a methanol catalytic reforming flow passage 23 is further heated, so that the high-temperature heat required by the methanol reforming hydrogen production reaction is met, and the reaction efficiency of the methanol reforming hydrogen production is greatly improvedAnd (4) discharging tail gas obtained after the reaction of the methanol and the oxygen from a tail gas outlet.
The hollow spiral blade 3 can be used for prolonging the stroke of the methanol catalytic reforming flow channel 23 and improving the catalytic reaction efficiency of methanol steam, the inner cavity of the hollow spiral blade 3 is also used as a methanol catalytic heating flow channel 31 for the circulation of methanol and air, and the inner wall is loaded with a methanol heating catalyst to play a role in heating the methanol catalytic reforming flow channel 23, so that the catalytic reaction efficiency of the methanol steam is further improved. The hollow spiral blade 3 heats the inside of the methanol catalytic heating flow channel 31, and the heat exchange effect with the methanol catalytic heating flow channel 31 is good.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The utility model discloses still have following embodiment on above-mentioned basis:
further, the reformer sleeve 2 comprises a reformer inner wall 21 and a reformer outer wall 22, the reformer outer wall 22 is sleeved outside the reformer inner wall 21, the pipe diameter of the reformer outer wall 22 is larger than that of the reformer inner wall 21, and the methanol catalytic reforming flow passage 23 is located between the reformer inner wall 21 and the reformer outer wall 22. The reformer inner wall 21 is in surface contact with the outer wall of the tail gas pipe 1, the hollow spiral blade 3 is arranged between the reformer inner wall 21 and the reformer outer wall 22, and the reformer inner wall 21, the reformer outer wall 22 and the hollow spiral blade 3 jointly enclose a spiral methanol catalytic reforming flow channel 23. The reformer sleeve 2 and the tail gas pipe 1 are connected by welding or clamping.
In addition, a methanol inlet 32 of the hollow spiral blade 3 is connected with a methanol preheating pipe 5, the middle section of the methanol preheating pipe 5 is inserted into the tail gas pipe 1, and both an inlet and an outlet of the methanol preheating pipe 5 penetrate through the side wall of the tail gas pipe 1 and extend out of the tail gas pipe 1. The inlet of the methanol preheating pipe 5 is used for being communicated with an external methanol supply container (not shown in the figure) and a delivery pump (not shown in the figure) so as to deliver methanol to the methanol preheating pipe 5, the methanol in the middle section of the methanol preheating pipe 5 flows through the tail gas pipe 1, the high-temperature tail gas heats methanol liquid in the methanol preheating pipe 5, the methanol can be rapidly heated and heated to become high-temperature methanol steam, the high-temperature methanol steam is input into the hollow spiral blade 3, the high-temperature methanol steam is reacted with oxygen under the action of the methanol heating catalyst to burn and release heat, the reaction efficiency of the methanol steam is greatly improved, the use amount of the methanol is reduced, and the hollow spiral blade 3 can release higher heat.
Furthermore, a methanol water inlet 24 of the reformer casing 2 is connected to a methanol water preheating pipe 6, the middle section of the methanol water preheating pipe 6 is inserted into the tail gas pipe 1, and both an inlet and an outlet of the methanol water preheating pipe 6 penetrate through the side wall of the tail gas pipe 1 and extend out of the tail gas pipe 1. The inlet of the methanol water preheating pipe 6 is used for communicating with an external methanol water supply container (not shown in the figure) and a delivery pump (not shown in the figure) and is used for delivering methanol water to the methanol water preheating pipe 6, the methanol water in the middle section of the methanol water preheating pipe 6 flows through the tail gas pipe 1, the high-temperature tail gas heats the methanol water to enable the methanol water to become high-temperature methanol steam, and then the high-temperature methanol steam is input into the methanol catalytic reforming flow passage 23 of the reformer sleeve pipe 2, the gaseous methanol steam is easier to flow in the methanol catalytic reforming flow passage 23, the reaction efficiency of the high-temperature methanol steam and the methanol reforming hydrogen production catalyst is higher, and the heat in the tail gas pipe 1 is fully utilized.
The middle section of the methanol preheating pipe 5 and the middle section of the methanol water preheating pipe 6 are in a linear shape, a wave shape or a spiral shape. The straight line shape, the wave shape or the spiral shape is selected according to the length of the tail gas pipe 1 and the optimal temperature for heating the methanol and the methanol water. The linear methanol preheating pipe 5 and the methanol water preheating pipe 6 can be used for heating methanol and methanol water into high-temperature gas if the length of the tail gas pipe 1 is long enough. The wave shape or the spiral shape is adopted, the flow stroke of the internal fluid is prolonged, and the methanol water can be heated into high-temperature gas in the short tail gas pipe 1.
Example two
The embodiment of the utility model provides a second methanol reformer, including heat conduction sleeve pipe 7, reformer sleeve pipe 8 and hollow helical blade 3, the coaxial cover of heat conduction sleeve pipe 7 is established in tail gas pipe 1 outside, the coaxial cover of reformer sleeve pipe 8 is established in heat conduction sleeve pipe 7's outside, heat conduction sleeve pipe 7 is the face contact with tail gas pipe 1's outer wall, heat conduction sleeve pipe 7 is bilayer structure, inside heat conduction oil chamber 73 that forms, inject the conduction oil in heat conduction oil chamber 73, the heat in the tail gas pipe 1 at first conducts to the conduction oil in the heat conduction sleeve pipe 7, then with the balanced conduction of heat to reformer sleeve pipe 8 in again.
The heat conducting sleeve 7 comprises a heat conducting inner wall 71 and a heat conducting outer wall 72, the heat conducting inner wall 71 is in surface contact with the outer wall of the tail gas pipe 1, a heat conducting oil cavity 73 is arranged between the heat conducting inner wall 71 and the heat conducting outer wall 72, heat conducting oil is injected into an injection opening of the heat conducting oil cavity 73, and a sealing cover is connected to the injection opening. Through setting up heat conduction sleeve pipe 7 for after avoiding the reduction of tail gas pipe 1 front and back temperature, the temperature of conduction to in the reformer sleeve pipe 8 also reduces gradually from front and back, leads to heating inhomogeneous in the reformer sleeve pipe 8, and the partial methanol reforming hydrogen production catalyst of partial catalytic reforming runner 23 that local high temperature contact leads to hardens the phenomenon.
The reformer sleeve 8 is a single layer, a gap is formed between the reformer sleeve 8 and the heat-conducting outer wall 72, a cavity between the reformer sleeve 8 and the heat-conducting outer wall 72 is a methanol catalytic reforming flow channel 23, and high-temperature tail gas flowing through the tail gas pipe 1 uniformly transfers heat to the methanol catalytic reforming flow channel 23 through heat-conducting oil in the heat-conducting sleeve 7, so that fluid flowing through the methanol catalytic reforming flow channel 23 is heated.
The hollow spiral blade 3 is installed in the methanol catalytic reforming flow channel 23 between the reformer sleeve 8 and the heat conducting sleeve 7, so that the spiral methanol catalytic reforming flow channel 23 is formed among the inner wall of the reformer sleeve 8, the heat conducting outer wall 72 and the hollow spiral blade 3, a methanol reforming hydrogen production catalyst is loaded in each methanol catalytic reforming flow channel 23, methanol steam input into the methanol catalytic reforming flow channel 23 flows along the spiral methanol catalytic reforming flow channel 23, and the stroke of the methanol steam in the methanol catalytic reforming flow channel 23 is increased.
The two end portions of the reformer sleeve 8, the heat-conducting inner wall 71 and the heat-conducting outer wall 72 are hermetically connected together by two end plates two 9, and the two end plates two 9 connect the reformer sleeve 8, the heat-conducting inner wall 71 and the heat-conducting outer wall 72 together. And a methanol water inlet and a hydrogen-rich gas outlet are respectively arranged at the positions of the two end plates 9 corresponding to the reformer sleeve 8. The inner cavity of the hollow spiral blade 3 is a spiral methanol catalytic heating flow passage 31 for heating the methanol catalytic reforming flow passage 23.
One end part of the hollow spiral blade 3 is communicated with two joints 34, a methanol inlet 32 and an air inlet 33 are respectively arranged in the two joints 34, and the two joints 34 penetrate through the second end plate 9, so that the external methanol and air can be input into the hollow spiral blade 3; the other end of the hollow spiral blade 3 is a tail gas outlet which extends out of the reformer sleeve 8.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A methanol reformer, characterized by comprising:
the reformer sleeve is coaxially sleeved outside the tail gas pipe (1), the spiral blades are installed in the reformer sleeve, a spiral methanol catalytic reforming flow channel (23) is formed between the reformer sleeve and the spiral blades, a methanol reforming hydrogen production catalyst is loaded on the inner wall of the reformer sleeve and the outer wall of each spiral blade, and a methanol water inlet (24) and a hydrogen rich gas outlet (25) are respectively arranged at two end parts of the reformer sleeve;
the spiral vane adopts hollow spiral vane (3), the interior cavity of hollow spiral vane (3) is methyl alcohol catalysis heat flow channel (31) that generates heat, methyl alcohol catalysis heat flow channel (31) internal load has methyl alcohol catalyst that generates heat, the tip of hollow spiral vane (3) is equipped with methyl alcohol entry (32) and air inlet (33), another tip of hollow spiral vane (3) is equipped with the tail gas outlet.
2. The methanol reformer according to claim 1, characterized in that: a heat conduction sleeve (7) is coaxially sleeved between the reformer sleeve and the tail gas pipe (1), and a heat conduction oil cavity (73) is formed in the heat conduction sleeve (7).
3. The methanol reformer according to claim 1, characterized in that: the methanol preheating device is characterized by further comprising a methanol preheating pipe (5), the middle section of the methanol preheating pipe (5) is located in the tail gas pipe (1), the inlet and the outlet of the methanol preheating pipe (5) extend out of the tail gas pipe (1), and the outlet of the methanol preheating pipe (5) is communicated with the methanol inlet (32).
4. A methanol reformer in accordance with claim 3, characterized in that: still include methanol-water preheating pipe (6), the middle section of methanol-water preheating pipe (6) is located tail gas pipe (1), tail gas pipe (1) outside is all stretched out in the entry and the export of methanol-water preheating pipe (6), the export and the methanol-water entry (24) intercommunication of methanol-water preheating pipe (6).
5. The methanol reformer according to claim 4, characterized in that: the middle section of the methanol preheating pipe (5) and the middle section of the methanol water preheating pipe (6) are in a linear shape, a wave shape or a spiral shape.
6. The methanol reformer according to claim 2, characterized in that: the heat conduction sleeve (7) comprises a heat conduction inner wall (71) and a heat conduction outer wall (72), the heat conduction inner wall (71) is in contact with the outer wall of the tail gas pipe (1), a heat conduction oil cavity (73) is formed between the heat conduction inner wall (71) and the heat conduction outer wall (72), and heat conduction oil is injected into the heat conduction oil cavity (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223088437.4U CN218709189U (en) | 2022-11-16 | 2022-11-16 | Methanol reformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223088437.4U CN218709189U (en) | 2022-11-16 | 2022-11-16 | Methanol reformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218709189U true CN218709189U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223088437.4U Active CN218709189U (en) | 2022-11-16 | 2022-11-16 | Methanol reformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218709189U (en) |
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2022
- 2022-11-16 CN CN202223088437.4U patent/CN218709189U/en active Active
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