CN215364902U - A kind of alcohol fuel reformer for on-line hydrogen production - Google Patents
A kind of alcohol fuel reformer for on-line hydrogen production Download PDFInfo
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- CN215364902U CN215364902U CN202121785981.7U CN202121785981U CN215364902U CN 215364902 U CN215364902 U CN 215364902U CN 202121785981 U CN202121785981 U CN 202121785981U CN 215364902 U CN215364902 U CN 215364902U
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- heat exchange
- exchange tube
- alcohol fuel
- hydrogen production
- pipe body
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000000446 fuel Substances 0.000 title claims abstract description 61
- 239000001257 hydrogen Substances 0.000 title claims abstract description 61
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 61
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 45
- 239000007789 gas Substances 0.000 claims abstract description 37
- 238000003860 storage Methods 0.000 claims abstract description 36
- 238000006057 reforming reaction Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000013461 design Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 235000005822 corn Nutrition 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
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- 229920006395 saturated elastomer Polymers 0.000 description 1
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- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
本实用新型涉及一种用于在线制氢的醇类燃料重整器，包括两端开口且内部形成容纳腔的管体，设置在所述管体一端的送料单元，设置在所述管体另一端的储气罐；本实用新型提供的用于在线制氢的醇类燃料重整器在使用过程中，先经由所述进气口给所述管体内部通入热气体，之后向所述第一换热管中送入醇类燃料，所述醇类燃料进入所述第一换热管中并在热气体的作用下蒸发，蒸发后的醇类燃料进入所述第二换热管内并发生重整反应产生氢气。
The utility model relates to an alcohol fuel reformer for on-line hydrogen production, which comprises a pipe body with two ends open and a accommodating cavity formed inside; The gas storage tank at one end; the alcohol fuel reformer for on-line hydrogen production provided by the utility model, in the process of use, first passes hot gas into the inside of the pipe body through the air inlet, and then feeds the hot gas to the The alcohol fuel is fed into the first heat exchange tube, the alcohol fuel enters the first heat exchange tube and evaporates under the action of the hot gas, and the evaporated alcohol fuel enters the second heat exchange tube and evaporates. A reforming reaction occurs to produce hydrogen.
Description
Technical Field
The utility model relates to the technical field of hydrogen production equipment, in particular to an alcohol fuel reformer for on-line hydrogen production.
Background
With the rapid development of social economy and the continuous improvement of the living and industrial levels of people in China, the energy consumption is rapidly increased, so that limited energy resources are increasingly deficient, the problems of energy and environment are more obvious, and the energy conservation, emission reduction and low-carbon development are inevitable trends of energy development in China and require that people have higher and higher call for seeking new energy (alternative energy) and green. How to accelerate the transformation of an energy consumption structure to clean low carbon and improve the development and utilization of renewable energy is a problem to be urgently solved.
As biomass energy in renewable energy, alcohol fuel (mainly methanol and ethanol) is a substitute fuel with great development potential. The methanol can be prepared from plant straws of corn, sugarcane and the like by a biological method, and can also be prepared by carbon capture and utilization and regeneration. In China, a large amount of methanol is mainly prepared from coal, natural gas and other minerals through a chemical and physical method. The ethanol is mainly prepared by fermenting crops containing sugar and starch or waste crops containing cellulose. Although alcohol fuels have high latent heat of vaporization and are rich in oxygen, direct combustion can better reduce emissions and achieve complete combustion. But at the same time their high latent heat of vaporization makes starting engines using alcohol fuels difficult at low temperature conditions. The alcohol fuel has very low cetane number, poor ignition performance, low saturated vapor pressure and other advantages, so that corresponding technical measures are required to be adopted for better use on a diesel engine.
The hydrogen is used as a clean energy and good energy carrier, has higher heat value, is clean and efficient, and can store energy. Compared with hydrocarbon, hydrogen has higher laminar flame propagation speed and shorter quenching distance, can ensure more complete combustion, expands the limit of lean flammability and is more beneficial to low-temperature starting. This is well demonstrated by existing loading theory and experimental studies on engines.
Patent CN204676168U has announced the online hydrogen manufacturing system of power plant, this utility model discloses an online hydrogen manufacturing system of power plant, this utility model utilizes Proton Exchange Membrane (PEM) water electrolysis hydrogen manufacturing technique, advanced maturity, safe and reliable and environmental protection, and simultaneously, integrate into integrated hydrogen plant cabinet with hydrogen plant, high durability and convenient operation, the intelligent control production operation, the installation is convenient, do not change the security level of installation region, area is little, maintain portably and the maintenance time is short all the year round, and, integrated hydrogen plant cabinet is direct to be connected with the hydrogen-cooled generator, the hydrogen filling is automatic, hydrogen purity and pressure tend to invariable in the hydrogen-cooled generator, entire system safety and stability, the value that has popularization and application in large-scale power station. The online hydrogen production system of the power plant comprises an integrated hydrogen production device cabinet, wherein a proton exchange membrane device, a filtering device and a drying device which are connected in sequence are arranged in the integrated hydrogen production device cabinet, a battery pack device is arranged on the proton exchange membrane device, and the drying device is connected with a hydrogen cooling generator through a hydrogen conveying pipeline.
The defects of the online hydrogen production system of the power plant are as follows: 1. when the online hydrogen production system of the power plant is used, waste heat and waste gas of factory equipment or other equipment cannot be reused, electric energy is consumed in the hydrogen production process, and the hydrogen production cost is increased; 2. when the online hydrogen production system of the power plant is used, a plurality of devices are provided, the operation flow is complex, and the online hydrogen production system is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
Aiming at the condition of the prior art, the utility model provides an alcohol fuel reformer for on-line hydrogen production, which comprises the steps of firstly introducing hot gas into a tube body through a gas inlet and a gas outlet, then feeding alcohol fuel into a first heat exchange tube, feeding the alcohol fuel into the first heat exchange tube and evaporating under the action of the hot gas, and feeding the evaporated alcohol fuel into a second heat exchange tube and carrying out reforming reaction to generate hydrogen.
The utility model is realized by the following technical scheme:
the utility model provides an alcohol fuel reformer for on-line hydrogen production, which comprises a tube body, a feeding unit and a gas storage tank, wherein the two ends of the tube body are opened, and a containing cavity is formed in the tube body;
an air inlet is formed in the lower portion of the side face, close to the air storage tank, of the pipe body, an air outlet is formed in the upper portion of the side face, close to the feeding unit, of the pipe body, a first heat exchange pipe and a second heat exchange pipe which are communicated with each other are further arranged inside the pipe body, one end, far away from the second heat exchange pipe, of the first heat exchange pipe is communicated with the feeding unit, one end, far away from the first heat exchange pipe, of the second heat exchange pipe is communicated with the air storage tank, and a catalyst is placed in the second heat exchange pipe;
the feeding unit is used for feeding alcohol fuel into the first heat exchange tube, the gas storage tank is used for storing prepared hydrogen, and when hot gas is fed into the tube body through the gas inlet and the alcohol fuel is fed into the first heat exchange tube, the alcohol fuel is evaporated by the first heat exchange tube and undergoes a reforming reaction in the second heat exchange tube.
Further, the feeding unit comprises a sealing plate which is arranged at one end of the tube body and is connected with the tube body in a sealing mode, a feeding pipe which is arranged on the sealing plate in a penetrating mode is arranged on the feeding pipe, the feeding pipe is located in a liquid storage box at one end inside the tube body, a discharging pipe which is arranged on the liquid storage box and a sealing box which is arranged between the first heat exchange pipe and the liquid storage box, one end of the liquid storage box is far away from the discharging pipe and corresponds to the pipe orifice of the first heat exchange pipe, the sealing box is connected with the first heat exchange pipe in a sealing mode, and an inner cavity of the sealing box is communicated with the first heat exchange pipe.
Furthermore, the plane of one end port of the discharge pipe, which is far away from the liquid storage box, is parallel to the horizontal plane.
Furthermore, the first heat exchange tube and the second heat exchange tube are respectively provided with a plurality of groups.
Furthermore, the first heat exchange tubes and the second heat exchange tubes are communicated in a one-to-one correspondence mode.
Furthermore, the first heat exchange tubes are communicated with the second heat exchange tubes through a connecting box.
Furthermore, two ports of the second heat exchange tube are provided with a filter screen.
Furthermore, a plurality of spoilers are arranged inside the tube body and correspond to the space between the air inlet and the air outlet, the first heat exchange tube and the second heat exchange tube are respectively arranged on the corresponding spoilers in a penetrating mode, the spoilers are used for dividing an accommodating cavity, corresponding to the tube body, between the air inlet and the air outlet into a plurality of airflow cavities, and the airflow cavities are used for prolonging the retention time of the hot gas inside the tube body so as to prolong the contact time of the hot gas with the first heat exchange tube and the second heat exchange tube.
Further, a temperature sensor is arranged inside the pipe body.
Furthermore, a temperature sensor and a pressure sensor are arranged in the air storage tank.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
when the alcohol fuel reformer for on-line hydrogen production provided by the utility model is used, hot gas is firstly introduced into the tube body through the gas inlet, then alcohol fuel is fed into the first heat exchange tube, the alcohol fuel enters the first heat exchange tube and is evaporated under the action of the hot gas, and the evaporated alcohol fuel enters the second heat exchange tube and undergoes a reforming reaction to generate hydrogen.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of an alcohol fuel reformer for on-line hydrogen production according to the present invention;
FIG. 2 is a schematic diagram of a top view of an embodiment of an alcohol fuel reformer for on-line hydrogen production according to the present invention;
FIG. 3 is a schematic cross-sectional view taken along the line A-A in FIG. 2;
fig. 4 is a partially enlarged structural view of a portion B in fig. 3.
Reference numerals: 1. a pipe body; 11. an air inlet; 12. an air outlet; 13. a first heat exchange tube; 14. a second heat exchange tube; 141. filtering with a screen; 15. a connection box; 16. a spoiler; 2. a feeding unit; 21. a sealing plate; 22. a feed pipe; 23. a liquid storage box; 24. a discharge pipe; 25. a sealing box; 3. an air storage tank.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the utility model serve to explain the principles of the utility model and not to limit its scope.
As shown in fig. 1 to 4, an alcohol fuel reformer for on-line hydrogen production comprises a tube body 1 with openings at both ends and a containing cavity formed inside, a feeding unit 2 arranged at one end of the tube body 1, and a gas storage tank 3 arranged at the other end of the tube body 1;
an air inlet 11 is formed below the side face, close to the air storage tank 3, of the tube body 1, an air outlet 12 is formed above the side face, close to the feeding unit 2, of the tube body 1, a first heat exchange tube 13 and a second heat exchange tube 14 which are communicated with each other are further arranged inside the tube body 1, one end, far away from the second heat exchange tube 14, of the first heat exchange tube 13 is communicated with the feeding unit 2, one end, far away from the first heat exchange tube 13, of the second heat exchange tube 14 is communicated with the air storage tank 3, and a catalyst is placed in the second heat exchange tube 14;
the feeding unit 2 is used for feeding alcohol fuel into the first heat exchange tube 13, the gas storage tank 3 is used for storing the prepared hydrogen, and when hot gas is introduced into the tube body 1 through the gas inlet 11 and the alcohol fuel is fed into the first heat exchange tube 13, the alcohol fuel is evaporated by the first heat exchange tube 13 and undergoes a reforming reaction in the second heat exchange tube 14.
In the use process of the alcohol fuel reformer for on-line hydrogen production provided by the utility model, firstly, hot gas (waste heat and exhaust gas of factory equipment or other equipment) is introduced into the tube body 1 through the gas inlet 11, then alcohol fuel is fed into the first heat exchange tube 13, the alcohol fuel enters the first heat exchange tube 13 and is evaporated under the action of the hot gas, and the evaporated alcohol fuel enters the second heat exchange tube 14 and undergoes a reforming reaction to generate hydrogen.
Referring to fig. 3 and 4, the feeding unit 2 includes a sealing plate 21 disposed at one end of the tube body 1 and hermetically connected to the tube body 1, a feeding pipe 22 disposed on the sealing plate 21, a liquid storage box 23 disposed at one end inside the tube body 1, a discharging pipe 24 disposed on the liquid storage box 23, and a sealing box 25 disposed between the first heat exchange tube 13 and the liquid storage box 23, wherein one end of the discharging pipe 24, which is far away from the liquid storage box 23, corresponds to a pipe orifice of the first heat exchange tube 13, the sealing box 25 is hermetically connected to the first heat exchange tube 13, and an internal cavity of the sealing box 25 is communicated with the first heat exchange tube 13. The alcohol fuel can enter the first heat exchange tube 13 through the feeding tube 22, the liquid storage box 23 and the discharging tube 24 in sequence and is evaporated at the first heat exchange tube 13, and the sealing box 25 can prevent the evaporated alcohol fuel from leaking.
Referring to fig. 3 and 4, the plane of the end port of the discharge pipe 24 far away from the liquid storage box 23 is parallel to the horizontal plane. Alcohol fuel via discharging pipe 24 gets into during first heat exchange tube 13, be convenient for alcohol fuel with first heat exchange tube 13 contacts, is favorable to more swift realization alcohol fuel's evaporation, specifically, still can with discharging pipe 24 is kept away from stock solution box 23 one end port with the distance of first heat exchange tube 13 inner wall reduces, in order to realize alcohol fuel gets into flash distillation behind the first heat exchange tube 13, can the used time of effectual reduction alcohol fuel evaporation.
Referring to fig. 3, the first and second heat exchange pipes 13 and 14 are provided with a plurality of sets, respectively. The design is convenient for heat exchange, and the hydrogen production speed of the utility model can be accelerated.
Illustratively, a plurality of groups of the first heat exchange tubes 13 and the second heat exchange tubes 14 are respectively communicated in a one-to-one correspondence manner. The design is convenient for the step-by-step proceeding of the alcohol fuel evaporation and reforming reaction.
Referring to fig. 3, a plurality of the first heat exchange tubes 13 are communicated with a plurality of the second heat exchange tubes 14 via a junction box 15. The design can accelerate the hydrogen production speed of the utility model.
Illustratively, both ends of the second heat exchanging pipe 14 are provided with a filter 141. The filter screen 141 is arranged to prevent the catalyst from leaking out of the second heat exchange tube 14 in the hydrogen production process, so that the hydrogen production speed of the utility model is not affected.
Referring to fig. 3, a plurality of spoilers 16 are disposed inside the tube body 1 between the air inlet 11 and the air outlet 12, the first heat exchange tube 13 and the second heat exchange tube 14 are respectively inserted into the corresponding spoilers 16, the spoilers 16 are used for partitioning an accommodating cavity of the tube body 1 between the air inlet 11 and the air outlet 12 into a plurality of air flow cavities, and the plurality of air flow cavities are used for increasing the residence time of the hot gas inside the tube body 1 so as to increase the contact time of the hot gas with the first heat exchange tube 13 and the second heat exchange tube 14. The design is convenient for heat exchange, and the hydrogen production speed of the utility model can be accelerated.
Illustratively, a temperature sensor is arranged inside the pipe body 1; a temperature sensor and a pressure sensor are arranged in the air storage tank 3. The design is convenient for detecting the internal temperature of the pipe body 1 in real time and detecting the internal temperature and pressure of the gas storage tank 3 in real time, thereby being beneficial to controlling the state of each part in the hydrogen production process and facilitating the hydrogen production.
Compared with the prior art, the alcohol fuel reformer for on-line hydrogen production provided by the utility model has the following beneficial effects:
in the use process of the alcohol fuel reformer for on-line hydrogen production, hot gas is firstly introduced into the tube body 1 through the gas inlet 11, then alcohol fuel is fed into the first heat exchange tube 13, the alcohol fuel enters the first heat exchange tube 13 and is evaporated under the action of the hot gas, and the evaporated alcohol fuel enters the second heat exchange tube 14 and undergoes a reforming reaction to generate hydrogen.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121785981.7U CN215364902U (en) | 2021-08-02 | 2021-08-02 | A kind of alcohol fuel reformer for on-line hydrogen production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121785981.7U CN215364902U (en) | 2021-08-02 | 2021-08-02 | A kind of alcohol fuel reformer for on-line hydrogen production |
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| Publication Number | Publication Date |
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| CN215364902U true CN215364902U (en) | 2021-12-31 |
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| CN202121785981.7U Active CN215364902U (en) | 2021-08-02 | 2021-08-02 | A kind of alcohol fuel reformer for on-line hydrogen production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116425577A (en) * | 2023-04-10 | 2023-07-14 | 南京工业大学 | A device and method for composting garbage and biogas generation using medium-temperature flue gas |
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- 2021-08-02 CN CN202121785981.7U patent/CN215364902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116425577A (en) * | 2023-04-10 | 2023-07-14 | 南京工业大学 | A device and method for composting garbage and biogas generation using medium-temperature flue gas |
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