CN204281300U - A kind of methanol-water hydrogen making machine - Google Patents
A kind of methanol-water hydrogen making machine Download PDFInfo
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- CN204281300U CN204281300U CN201420661615.4U CN201420661615U CN204281300U CN 204281300 U CN204281300 U CN 204281300U CN 201420661615 U CN201420661615 U CN 201420661615U CN 204281300 U CN204281300 U CN 204281300U
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Abstract
The utility model discloses a kind of methanol-water hydrogen making machine, comprise methanol-water storage vessel, transferpump, interchanger, reformer, tripping device and fuel cell; Transferpump is used for the reformer chamber first alcohol and water in methanol-water storage vessel being delivered to reformer; Interchanger is used for the high-temperature gas mixture body that the first alcohol and water of low temperature and reformer chamber export and carries out heat exchange; Reformer is provided with reformer chamber and electric heater, electric heater provides heat energy for reformer chamber, reformer chamber obtains the high-temperature gas mixture body based on carbonic acid gas and hydrogen, after interchanger, enter tripping device and isolate hydrogen, a part of hydrogen enters fuel cell, in fuel cell, electrochemical reaction occurs, produce electric energy, for transferpump and electric heater are powered.Reformer of the present utility model is without the need to arranging combustion chamber, air inlet fan, air intake passage and smokestack, and the Heating temperature in reformer is easy to control, stable, and reformer structure is comparatively simple, working stability, and maintenance difficulty is little.
Description
Technical field
The utility model relates to hydrogen Preparation equipment technical field, particularly a kind of methanol-water hydrogen making machine.
Background technology
Hydrogen is one of the optimal energy of a kind of 21 century, and when the coal of identical weight of burning, gasoline and hydrogen, the energy that hydrogen produces is maximum, and the product of its burning is water, does not have lime-ash and waste gas, does not pollute the environment; And the mainly CO that coal and oil combustion generate
2and SO
2, Greenhouse effect and acid rain can be produced respectively.Coal and reserves are limited, and hydrogen is mainly stored in water, and after burning, unique product is also water, can produce hydrogen continuously, be finished never.The distribution of hydrogen is very extensive, and water is exactly large " warehouse " of hydrogen, wherein contains the hydrogen of 11%.There is the hydrogen of 1.5% earth Rio; All contain hydrogen in oil, coal, Sweet natural gas, animal and plant body etc.The main body of hydrogen exists with the form of compound water, and earth surface about 70% is covered for water, and very greatly, therefore can say, hydrogen is the energy of " inexhaustible, nexhaustible " to moisture storage capacity.If can with suitable method preparing hydrogen, so hydrogen also will be the energy that a kind of price is quite cheap.
At present, the annual production of hydrogen is about 3,600 ten thousand tons in the world, and hydrogen production process mainly contains two kinds: one, most hydrogen produce from oil, coal and Sweet natural gas, and this method needs to consume mineral fuel natively very in short supply; Two, about have the hydrogen of 4% to be produce by the method for brine electrolysis, it is large that this method consumes electric energy, do not calculate very much.Along with the progress of technology, adopt the technology of first alcohol and water reformation hydrogen production to be gradually developed, it can reduce the energy consumption in Chemical Manufacture and reduce costs, and is expected to alternative electric energy and consumes king-sized electrolysis hydrogen producing process.Advanced methanol steam reforming technology is utilized to produce H
2with CO
2mixed gas, then through palladium membrane separation apparatus be separated, H can be obtained respectively
2and CO
2.
With reference to Chinese invention application 201310340475.0(applicant: Shanghai Hejide Dynamic Hydrogen Machine Co., Ltd.), which disclose a Methanol water hydrogen production system, the reformer chamber of methyl alcohol and steam reformer, at 350-409 DEG C of temperature 1-5M Pa pressure condition under pass through catalyzer, under the effect of catalyzer, the transformationreation of methanol decomposition reaction and carbon monoxide occurs, generates hydrogen and carbonic acid gas, this is the gas solid catalytic reaction system of component more than, many reactions.Reactional equation is as follows: (1) CH
3oH → CO+2H
2; (2) H
2o+CO → CO
2+ H
2; (3) CH
3oH+H
2o → CO
2+ 3H
2, the H that reforming reaction generates
2and CO
2, then the palladium membrane separation apparatus through separate chamber is by H
2and CO
2be separated, obtain high-purity hydrogen.In reformer, be also provided with vaporizer and combustion chamber, vaporizer is gasificated into steam before being used for that methyl alcohol and water are entered reformer, and combustion chamber is used for passing through H
2combustion heat release, for reformer chamber provides the reforming reaction temperature of 350-409 DEG C, and provides heat for vaporizer.
But, also there is following disappearance in above-mentioned Methanol water hydrogen production system: one, needs to arrange combustion chamber due to reformer, therefore, reformer also needs to arrange the air inlet fan for oxygen in fan-in air and air intake passage, and for discharging the smokestack of the rear waste gas produced of burning, high-temp waste gas is discharged from smokestack, not only wastes heat energy, and easily affects hydrogen generating system each several part equipment operation; Two, in combustion chamber, combustion of hydrogen temperature often soars to more than 1000 DEG C in the short period of time, easily burns out reformer, and, the mode of combustion of hydrogen heat release is difficult to control, the temperature stability difference (temperature of combustion chamber requires between 405-570 DEG C usually) of combustion chamber; Three, reformer arranges the parts such as the chamber such as vaporizer, combustion chamber, air inlet fan, air intake passage and smokestack, increases structural complexity and the maintenance difficulty of reformer.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of methanol-water hydrogen making machine is provided, the reformer of this hydrogen making machine is without the need to arranging combustion chamber, air inlet fan, air intake passage and smokestack, Heating temperature in reformer easily controls, stable, reformer structure is comparatively simple, working stability, and maintenance difficulty is less.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of methanol-water hydrogen making machine, comprises methanol-water storage vessel, transferpump, interchanger, reformer, tripping device and fuel cell, wherein:
Methanol-water storage vessel, stores liquid first alcohol and water in it;
Transferpump, for being delivered to the reformer chamber of reformer by the first alcohol and water in methanol-water storage vessel;
Interchanger, is installed on the transport pipe between transferpump and reformer, and the first alcohol and water of low temperature is in interchanger, and the high-temperature gas mixture body exported with reformer chamber carries out heat exchange, and methyl alcohol and water temp raise, vaporization;
Reformer, be provided with reformer chamber and electric heater, electric heater provides heat energy for reformer chamber, and reformer chamber is provided with catalyzer, and first alcohol and water reacts at the reformation hydrogen production of reformer chamber generation first alcohol and water, obtain the high-temperature gas mixture body based on carbonic acid gas and hydrogen, this high-temperature gas mixture body, after interchanger, enters tripping device, and this high-temperature gas mixture body is in interchanger, carry out heat exchange with the first alcohol and water of low temperature, mixed gas temperature reduces;
Tripping device, for separating of based on the mixed gas of carbonic acid gas and hydrogen, mixed gas, after tripping device, isolates hydrogen, and a part of hydrogen enters fuel cell;
Fuel cell, in fuel cell, there is electrochemical reaction in the oxygen in hydrogen and air, produces electric energy, and the electric energy of generation is that the electric heater of transferpump and reformer is powered.
As to further elaboration of the present utility model:
Also be provided with compensation vapourizing unit between described interchanger and reformer, this compensation vapourizing unit is provided with electric heater, and described first alcohol and water can be vaporized further after compensating vapourizing unit; The electric energy that described fuel cell produces is also for the electric heater compensating vapourizing unit is powered.
Also be provided with gas diverter between described tripping device and fuel cell, the hydrogen flow exported from tripping device can be gone out a part to fuel cell by this gas diverter.
The electric heater of described reformer comprises resistance heater and metal founding heat conductor, and this metal founding heat conductor is coated on outside reformer chamber.
Described tripping device is the membrane separation unit at porous ceramic surface Vacuum Deposition palladium-silver alloy, and coatings is palladium-silver alloy, and the mass percent palladium of palladium-silver alloy accounts for 75%-78%, and silver accounts for 22%-25%.
Described reformer is provided with start battery device, and this start battery device can heavily managed in device start-up course, for the electric heater of transferpump and reformer is powered; Described reformer or be provided with combustion-type starter gear, this combustion-type starter gear can heavily managed in device start-up course, is reformer chamber heating by combustion methanol.
Described methanol-water hydrogen making machine is also provided with hydrogen storage bottle, and this hydrogen storage bottle can heavily managed in device start-up course, is fuel cell inputting hydrogen, makes operation of fuel cells, produces electric energy, for the electric heater of transferpump and reformer is powered.
The beneficial effects of the utility model are: one, due to reformer of the present utility model be provided with into reformer chamber heating electric heater, therefore reformer is without the need to arranging combustion chamber, air inlet fan, air intake passage and smokestack, be a reformer closed on the whole, high-temp waste gas can not be discharged, avoid thermal waste, avoid because high-temp waste gas affects hydrogen generating system each several part equipment operation, avoid because of the destruction problem of burning to reformer; Two, the electric energy of the utility model electric heater and transferpump is provided by fuel cell, and the hydrogen required for fuel cell comes from the obtained hydrogen of the utility model, therefore, the utility model is without the need to external civil power, the work of electric heater and transferpump can be realized, thus make the utility model adaptability extremely strong, be not subject to the restriction of regional condition and civil power; Three, the Heating temperature of electric heater easily controls, and the utility model can stably make reformer chamber keep the reforming reaction temperature of 350-409 DEG C; Four, reformer is without the need to arranging the parts such as the chamber such as vaporizer, combustion chamber, air inlet fan, air intake passage and smokestack, greatly reduces structural complexity and the maintenance difficulty of reformer.
Accompanying drawing explanation
Fig. 1 is one-piece construction skeleton diagram of the present utility model.
Fig. 2 is the one-piece construction skeleton diagram of the utility model one preferred embodiment.
In figure: 1. methanol-water storage vessel; 2. transferpump; 3. interchanger; 4. reformer; 41. reformer chamber; 42. electric heaters; 5. tripping device; 6. fuel cell; 7. compensate vapourizing unit; 71. electric heaters; 8. gas diverter; 9. hydrogen storage bottle.
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present utility model and principle of work are described in further detail.
As shown in Figure 1, a kind of methanol-water hydrogen making machine, comprises methanol-water storage vessel 1, transferpump 2, interchanger 3, reformer 4, tripping device 5 and fuel cell 6, wherein:
Methanol-water storage vessel 1, stores liquid first alcohol and water in it;
Transferpump 2, for being delivered to the reformer chamber 41 of reformer 4 by the first alcohol and water in methanol-water storage vessel 1;
Interchanger 3, is installed on the transport pipe between transferpump 2 and reformer 4, and the first alcohol and water of low temperature is in interchanger 3, and the high-temperature gas mixture body exported with reformer chamber 4 carries out heat exchange, and methyl alcohol and water temp raise, vaporization;
Reformer 4, be provided with reformer chamber 41 and electric heater 42, electric heater 42 provides the heat energy of 350-409 DEG C of temperature for reformer chamber 41, is provided with catalyzer in reformer chamber 41, and methyl alcohol and water vapour are in reformer chamber 41, catalyzer is passed through under the pressure condition of 1-5M Pa, under the effect of catalyzer, there is the transformationreation of methanol decomposition reaction and carbon monoxide, generate hydrogen and carbonic acid gas, this is the gas solid catalytic reaction system of component more than, many reactions, and reactional equation is: (1) CH
3oH → CO+2H
2, (2) H
2o+CO → CO
2+ H
2, (3) CH
3oH+H
2o → CO
2+ 3H
2, obtain the high-temperature gas mixture body based on carbonic acid gas and hydrogen, this high-temperature gas mixture body, after interchanger 3, enters tripping device 5, and this high-temperature gas mixture body, in interchanger 3, carries out heat exchange with the first alcohol and water of low temperature, and mixed gas temperature reduces;
Tripping device 5, for separating of based on the mixed gas of carbonic acid gas and hydrogen, mixed gas, after tripping device 5, isolates hydrogen, and a part of hydrogen enters fuel cell 6, and this part amounts of hydrogen is the sub-fraction of total amounts of hydrogen, and such as 10%; Described tripping device 5 is the membrane separation unit at porous ceramic surface Vacuum Deposition palladium-silver alloy, and coatings is palladium-silver alloy, and the mass percent palladium of palladium-silver alloy accounts for 75%-78%, and silver accounts for 22%-25%; The difference of the inside and outside pressure of membrane separation unit is more than or equal to 1.1MPa;
Fuel cell 6, in fuel cell 6, there is electrochemical reaction, the anode at fuel cell: 2H in the oxygen in hydrogen and air
2→ 4H
++ 4e
-, H
2split into two protons and two electronics, proton is through proton exchange membrane (PEM), and electronics, by positive plate, by external loading, and enters cathode bipolar plate; Negative electrode at fuel cell: O
2+ 4e
-+ 4H
+→ 2H
2o, proton, electronics and O
2recombine is to form H
2o; The electric energy that fuel cell produces, for the electric heater 42 of transferpump 2 and reformer 4 is powered.
As shown in Figure 2, as to present invention further optimization mode, also be provided with between described interchanger 3 and reformer 4 and compensate vapourizing unit 7, this compensation vapourizing unit 7 is provided with electric heater 71, and described first alcohol and water can be vaporized further after compensating the compensation vaporization pipeline in vapourizing unit 7; The electric energy that described fuel cell 6 produces is also for the electric heater 71 compensating vapourizing unit 7 is powered.
As shown in Figure 2, gas diverter 8 is also provided with between described tripping device 5 and fuel cell 6, the hydrogen flow exported from tripping device 5 can be gone out a part (hydrogen of such as 10%) to fuel cell 6 by this gas diverter 8, remaining most of hydrogen (such as 90%) collects, or exports other hydrogen use equipment to.
In technique scheme, the electric heater 42 of described reformer 4 comprises resistance heater and metal founding heat conductor, and this metal founding heat conductor is coated on outside reformer chamber 41.
In technique scheme, methanol-water hydrogen making machine needs the starter gear arranging reformer, this starter gear has three kinds of schemes: one, reformer 4 arrange start battery device, and this start battery device can heavily managed in device start-up course, for the electric heater of transferpump and reformer is powered; Two, reformer 4 or be provided with combustion-type starter gear, this combustion-type starter gear can heavily managed in device start-up course, is reformer chamber heating by combustion methanol; Three, methanol-water hydrogen making machine is also provided with hydrogen storage bottle 9, and this hydrogen storage bottle 9 can heavily managed in device 4 start-up course, is fuel cell 6 inputting hydrogen, fuel cell 6 is worked, and produces electric energy, for the electric heater 42 of transferpump 2 and reformer 4 is powered.
The hydrogen production process of above-mentioned methanol-water hydrogen making machine, comprises the following steps:
A. control device controls the reformer chamber that the first alcohol and water in methanol-water storage vessel is delivered to reformer by transferpump;
B. the first alcohol and water (such as 10-20 DEG C) of low temperature is in interchanger, and the high-temperature gas mixture body (such as 350-409 DEG C) exported with reformer chamber carries out heat exchange, and methyl alcohol and water temp raise (such as 150-300 DEG C), vaporization;
The first alcohol and water of c. vaporizing enters reformer chamber, at 350-409 DEG C of temperature and catalyst action, the reformation hydrogen production reaction of first alcohol and water occurs, obtains the high-temperature gas mixture body based on carbonic acid gas and hydrogen;
D. this high-temperature gas mixture body is after interchanger, enters tripping device, and this high-temperature gas mixture body, in interchanger, carries out heat exchange with the first alcohol and water of low temperature, and mixed gas temperature reduces (being such as reduced to 35-40 DEG C);
E. mixed gas is after tripping device is separated, and isolate hydrogen, a part of hydrogen (hydrogen of such as 10%) enters fuel cell;
In fuel cell, there is electrochemical reaction in the oxygen f. in hydrogen and air, produces electric energy, and the electric energy of generation is that the electric heater of transferpump and reformer is powered.
Also comprise vaporization compensation process between described step b and step c, first alcohol and water is after interchanger, and the first alcohol and water of not vaporizing completely is vaporized further in vaporization compensation system.
The above is only the utility model better embodiment, every above embodiment is done according to the technical solution of the utility model any trickle amendment, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (8)
1. a methanol-water hydrogen making machine, is characterized in that: comprise methanol-water storage vessel, transferpump, interchanger, reformer, tripping device and fuel cell, wherein:
Methanol-water storage vessel, stores liquid first alcohol and water in it;
Transferpump, for being delivered to the reformer chamber of reformer by the first alcohol and water in methanol-water storage vessel;
Interchanger, is installed on the transport pipe between transferpump and reformer, and the first alcohol and water of low temperature is in interchanger, and the high-temperature gas mixture body exported with reformer chamber carries out heat exchange, and methyl alcohol and water temp raise, vaporization;
Reformer, be provided with reformer chamber and electric heater, electric heater provides heat energy for reformer chamber, and reformer chamber is provided with catalyzer, and first alcohol and water reacts at the reformation hydrogen production of reformer chamber generation first alcohol and water, obtain the high-temperature gas mixture body based on carbonic acid gas and hydrogen, this high-temperature gas mixture body, after interchanger, enters tripping device, and this high-temperature gas mixture body is in interchanger, carry out heat exchange with the first alcohol and water of low temperature, mixed gas temperature reduces;
Tripping device, for separating of based on the mixed gas of carbonic acid gas and hydrogen, mixed gas, after tripping device, isolates hydrogen, and a part of hydrogen enters fuel cell;
Fuel cell, in fuel cell, there is electrochemical reaction in the oxygen in hydrogen and air, produces electric energy, and the electric energy of generation is that the electric heater of transferpump and reformer is powered.
2. methanol-water hydrogen making machine according to claim 1, is characterized in that: be also provided with compensation vapourizing unit between described interchanger and reformer, this compensation vapourizing unit is provided with electric heater, and described first alcohol and water can be vaporized further after compensating vapourizing unit; The electric energy that described fuel cell produces is also for the electric heater compensating vapourizing unit is powered.
3. methanol-water hydrogen making machine according to claim 1, is characterized in that: be also provided with gas diverter between described tripping device and fuel cell, and the hydrogen flow exported from tripping device can be gone out a part to fuel cell by this gas diverter.
4. methanol-water hydrogen making machine according to claim 1, is characterized in that: the electric heater of described reformer comprises resistance heater and metal founding heat conductor, and this metal founding heat conductor is coated on outside reformer chamber.
5. methanol-water hydrogen making machine according to claim 1, is characterized in that: described tripping device is the membrane separation unit at porous ceramic surface Vacuum Deposition palladium-silver alloy, and coatings is palladium-silver alloy.
6. methanol-water hydrogen making machine according to claim 1, is characterized in that: described reformer is provided with start battery device, and this start battery device can heavily managed in device start-up course, for the electric heater of transferpump and reformer is powered.
7. methanol-water hydrogen making machine according to claim 1, is characterized in that: described reformer or be provided with combustion-type starter gear, and this combustion-type starter gear can heavily managed in device start-up course, is reformer chamber heating by combustion methanol.
8. methanol-water hydrogen making machine according to claim 1, is characterized in that: described methanol-water hydrogen making machine is also provided with hydrogen storage bottle, and this hydrogen storage bottle can heavily managed in device start-up course, for fuel cell inputting hydrogen, make operation of fuel cells, produce electric energy, for the electric heater of transferpump and reformer is powered.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362355A (en) * | 2014-11-07 | 2015-02-18 | 广东合即得能源科技有限公司 | Methanol water hydrogen-making machine and hydrogen-making method thereof |
| CN105782962A (en) * | 2016-03-04 | 2016-07-20 | 常州市蓝博净化科技有限公司 | Catalytic combustion energy-saving heat supply system |
-
2014
- 2014-11-07 CN CN201420661615.4U patent/CN204281300U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362355A (en) * | 2014-11-07 | 2015-02-18 | 广东合即得能源科技有限公司 | Methanol water hydrogen-making machine and hydrogen-making method thereof |
| WO2016070590A1 (en) * | 2014-11-07 | 2016-05-12 | 广东合即得能源科技有限公司 | Hydrogen production machine utilizing methanol and water and hydrogen production method thereof |
| CN105782962A (en) * | 2016-03-04 | 2016-07-20 | 常州市蓝博净化科技有限公司 | Catalytic combustion energy-saving heat supply system |
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Effective date of registration: 20210918 Granted publication date: 20150422 |