CN204778809U - Hydrogen purification device protection system based on methanol -water reformation hydrogen production system - Google Patents
Hydrogen purification device protection system based on methanol -water reformation hydrogen production system Download PDFInfo
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- CN204778809U CN204778809U CN201520378696.1U CN201520378696U CN204778809U CN 204778809 U CN204778809 U CN 204778809U CN 201520378696 U CN201520378696 U CN 201520378696U CN 204778809 U CN204778809 U CN 204778809U
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Abstract
The utility model discloses a hydrogen purification device protection system based on methanol -water reformation hydrogen production system, include: the reformer, including reformation room and hydrogen purification device, the reformation room is used for methyl alcohol and water steam generation reformation hydrogen generation to make hydrogen and carbon dioxide mist, and hydrogen purification device is used for separating hydrogen that makes and carbon dioxide mist, the methanol -water is stored and is carried the subsystem for methyl alcohol and water raw materials are carried to reformation room to the reformer, evacuation air escape subsystem for when the bring to rest of methanol -water reformation hydrogen production system, take the air in the pipeline of reformation room and hydrogen purification device out, the non - oxygen protective gas of non - hydrogen carries the subsystem for when the bring to rest of methanol -water reformation hydrogen production system, fill into hydrogen purification device the non - oxygen protective gas of non - hydrogen is reverse. The utility model discloses can utilize that the non - oxygen protective gas of non - hydrogen is reverse to be filled into hydrogen purification device to drive away the gases such as hydrogen in the hydrogen purification device rapidly, protected hydrogen purification device.
Description
Technical field
The utility model relates to methanol-water hydrogen production system employing reforming technology technical field, particularly a kind of hydrogen purification devices securing system based on methanol-water hydrogen production system employing reforming technology.
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 by suitable method from 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 be expected to alternative electric energy consumption especially electrolysis hydrogen producing process.Advanced methanol steam reforming technology is utilized to produce H
2with CO
2mixed gas, then through hydrogen purification 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 kind of Methanol water hydrogen production system, methyl alcohol and water vapour are in the reformer chamber of reformer, at 350-570 DEG C of temperature 1-5MPa 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 through hydrogen purification apparatus by H
2and CO
2be separated, obtain high-purity hydrogen.
Described hydrogen purification apparatus is for separating of going out obtained hydrogen, hydrogen purification apparatus adopts the palladium membrane separation unit of duct type, this palladium membrane separation unit is the membrane separation unit at porous ceramic surface Vacuum Deposition palladium-silver alloy, coatings is palladium-silver alloy, the mass percent palladium of palladium-silver alloy accounts for 75%-78%, silver accounts for 22%-25%, and the temperature in palladium membrane separation unit is identical with the temperature of reformer chamber or close, namely palladium membrane separation unit at 350-570 DEG C of temperature by H
2and CO
2be separated, obtain high-purity hydrogen.In the process of palladium membrane separation unit work, it is significant to note that: a., lower than the temperature of 320 DEG C, can not contain H
2; B. higher than the temperature of 100 DEG C, O can not be contained
2; Otherwise, will very easily destroy palladium membrane separation unit, problem of also easily blasting.Therefore, when methanol-water hydrogen production system employing reforming technology is out of service, need to vacuumize process to the pipeline of hydrogen purification apparatus and reformer chamber, to protect hydrogen purification apparatus.But, the mode that this kind directly vacuumizes process also has following defect: one, have certain hysteresis quality owing to vacuumizing action, and need the long period pipeline of hydrogen purification apparatus and reformer chamber could be evacuated to predetermined vacuum tightness, and namely the temperature of hydrogen purification apparatus often drops to less than 320 DEG C within a short period of time, therefore, the pipeline of hydrogen purification apparatus is usually when dropping to below 320 DEG C, also do not reach predetermined vacuum tightness, also there is more hydrogen, thus disadvantageous effect is caused to hydrogen purification apparatus; Pipeline two, due to hydrogen purification apparatus and reformer chamber is more, in vacuum, once there is obstructing problem, the pipeline be difficult to hydrogen purification apparatus and reformer chamber is pumped into predetermined vacuum tightness; Three, after predetermined vacuum tightness is pumped into by the pipeline of hydrogen purification apparatus and reformer chamber, larger negative pressure will be formed, high requirement is proposed to the maintenance of methanol-water hydrogen production system employing reforming technology, and, when methanol-water hydrogen production system employing reforming technology restarts, outside air, under larger negative pressure effect, is easy to the pipeline entering hydrogen purification apparatus, damages.
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 hydrogen purification devices securing system based on methanol-water hydrogen production system employing reforming technology is provided; this securing system can when methanol-water hydrogen production system employing reforming technology be out of service; utilize that non-hydrogen non-oxygen shielding gas is reverse is filled with hydrogen purification devices; thus drive away rapidly the gases such as the hydrogen in hydrogen purification apparatus, protect hydrogen purification devices.
For solving the problems of the technologies described above, the technical solution of the utility model is:
Based on the hydrogen purification devices securing system of methanol-water hydrogen production system employing reforming technology; comprise reformer, methanol-water Storing and conveying subsystem, vacuumize air discharge subsystem, hydrogen output channel, residual air output channel and non-hydrogen non-oxygen shielding gas transport subsystem, wherein:
Reformer, comprise reformer chamber and hydrogen purification devices, described reformer chamber is used for methyl alcohol and water vapor generation reformation hydrogen production reacts obtained hydrogen and carbon dioxide gas mixture, described hydrogen purification devices is used for being separated with carbon dioxide gas mixture obtained hydrogen, isolated hydrogen exports from hydrogen output channel, and isolated carbonic acid gas is discharged from residual air output channel;
Methanol-water Storing and conveying subsystem, for the reformer chamber conveying first alcohol and water raw material to reformer;
Vacuumize air and discharge subsystem, for when methanol-water hydrogen production system employing reforming technology is out of service, extract the reformer chamber of reformer and the ducted air of hydrogen purification devices out;
Non-hydrogen non-oxygen shielding gas transport subsystem, for when methanol-water hydrogen production system employing reforming technology is out of service, is filled with hydrogen purification devices by reverse for non-hydrogen non-oxygen shielding gas, to drive away rapidly the residual gas in hydrogen purification apparatus, and protection hydrogen purification devices.
The reformer chamber of described reformer is provided with catalyzer, when methanol-water hydrogen production system employing reforming technology runs, the temperature of reformer chamber is 320-570 DEG C of temperature, the obtained hydrogen-containing gas of reformation hydrogen production reaction of methyl alcohol and water vapor is there is in methyl alcohol and water vapor under the catalyst action of reformer chamber, reformer chamber is connected by connecting pipeline with hydrogen purification apparatus, the all or part of of connecting pipeline is arranged at reformer chamber, and the high temperature by reformer chamber continues the mixed gas that heating exports from reformer chamber; Described connecting pipeline, as the buffering between reformer chamber and hydrogen purification apparatus, makes the temperature of the mixed gas exported from reformer chamber identical with the temperature of hydrogen purification apparatus or close.
Described methanol-water Storing and conveying subsystem comprises methanol-water Storing and conveying device and the first magnetic valve, this methanol-water Storing and conveying device comprises methanol-water storage vessel and transferpump, liquid first alcohol and water raw material is stored in described methanol-water storage vessel, described transferpump is used for by the first alcohol and water feedstock transportation in methanol-water storage vessel to reformer, and described first magnetic valve is used to open or close the transport pipe of methanol-water Storing and conveying subsystem.
Transport pipe between described methanol-water Storing and conveying device and reformer is provided with interchanger, when methanol-water hydrogen production system employing reforming technology runs, the first alcohol and water raw material of low temperature is in interchanger, heat exchange is carried out with the high-temperature hydrogen in hydrogen output channel, first alcohol and water raw material temperature after interchanger raises, vaporization, and hydrogen temperature after interchanger reduces; Described hydrogen output channel is provided with the second magnetic valve, to open or close hydrogen output channel.
The described air discharge subsystem that vacuumizes comprises vacuum pumping pump, hydrogen and oxygen concentration sensor, pressure transmitter, scatterer and the 3rd magnetic valve; When methanol-water hydrogen production system employing reforming technology is out of service, vacuum pumping pump starts, and the reformer chamber of reformer and the ducted air of hydrogen purification devices are discharged successively after scatterer and vacuum pumping pump; Described hydrogen and oxygen concentration sensor and pressure transmitter are arranged on the transport pipe between scatterer and vacuum pumping pump, so that the hydrogen and oxygen concentration detected in transport pipe and air pressure; Described 3rd magnetic valve is arranged on the transport pipe of scatterer side, vacuumizes to open or close the transfer passage that air discharges subsystem.Further, the transport pipe of the air outlet end of described vacuum pumping pump is also provided with check valve and the 4th magnetic valve.
Described non-hydrogen non-oxygen shielding gas transport subsystem comprises non-hydrogen non-oxygen shielding gas storage tank and the 5th magnetic valve; in this non-hydrogen non-oxygen shielding gas storage tank, storage has non-hydrogen non-oxygen shielding gas, and the 5th magnetic valve is used to open or close the transfer passage of non-hydrogen non-oxygen shielding gas transport subsystem.Further, the transfer passage of described non-hydrogen non-oxygen shielding gas transport subsystem is also provided with check valve.Further, described non-hydrogen non-oxygen shielding gas is CO
2or N
2.
The beneficial effects of the utility model are: the utility model can when methanol-water hydrogen production system employing reforming technology be out of service, utilize that non-hydrogen non-oxygen shielding gas is reverse is filled with hydrogen purification devices, thus drive away rapidly the gases such as the hydrogen in hydrogen purification apparatus.Like this, also need to continue to run even if vacuumize air discharge subsystem, and the temperature of hydrogen purification devices has dropped to less than 320 DEG C, also can not cause disadvantageous effect to hydrogen purification apparatus, on the other hand, the reverse non-hydrogen non-oxygen shielding gas that is filled with can avoid the pipeline of hydrogen purification apparatus and reformer chamber to occur obstructing problem, again on the one hand, adopt reverse be filled with the mode of non-hydrogen non-oxygen shielding gas after, pipeline due to hydrogen purification devices and reformer chamber has the protection of non-hydrogen non-oxygen shielding gas, therefore, vacuum pumping pump can not be needed the pipeline vacuum state of hydrogen purification devices and reformer chamber, only need to take away the gases such as the hydrogen driven away rapidly by non-hydrogen non-oxygen shielding gas, hydrogen and oxygen concentration is made to be reduced to preset value, thus avoid the formation of larger negative pressure, when avoiding methanol-water hydrogen production system employing reforming technology to restart, outside air enters rapidly the problem of hydrogen purification apparatus under larger negative pressure effect.
Accompanying drawing explanation
Fig. 1 is the one-piece construction block diagram of the utility model when methanol-water hydrogen production system employing reforming technology runs.
Fig. 2 is the one-piece construction block diagram of the utility model when methanol-water hydrogen production system employing reforming technology is out of service.
Fig. 3 is the schema of the utility model hydrogen purification devices securing system guard method.
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present utility model and principle of work are described in further detail.
As depicted in figs. 1 and 2; based on the hydrogen purification devices securing system of methanol-water hydrogen production system employing reforming technology; comprise reformer 1, methanol-water Storing and conveying subsystem 4, vacuumize air discharge subsystem 5, hydrogen output channel 2, residual air output channel 3 and non-hydrogen non-oxygen shielding gas transport subsystem 6, wherein:
Reformer 1, comprise reformer chamber 101 and hydrogen purification devices 102, described reformer chamber 101 reacts obtained hydrogen and carbon dioxide gas mixture for methyl alcohol and water vapor generation reformation hydrogen production, described hydrogen purification devices 102 is for being separated with carbon dioxide gas mixture obtained hydrogen, isolated hydrogen exports from hydrogen output channel 2, and isolated carbonic acid gas is discharged from residual air output channel 3;
Methanol-water Storing and conveying subsystem 4, for carrying first alcohol and water raw material to the reformer chamber 101 of reformer;
Vacuumize air and discharge subsystem 5, for when methanol-water hydrogen production system employing reforming technology is out of service, extract the reformer chamber 101 of reformer 1 and the ducted air of hydrogen purification devices 102 out;
Non-hydrogen non-oxygen shielding gas transport subsystem 6; for when methanol-water hydrogen production system employing reforming technology is out of service; hydrogen purification devices 102 is filled with by reverse for non-hydrogen non-oxygen shielding gas, to drive away rapidly the residual gas in hydrogen purification apparatus 102, protection hydrogen purification devices 102.
As depicted in figs. 1 and 2, catalyzer is provided with in the reformer chamber 101 of described reformer 1, when methanol-water hydrogen production system employing reforming technology runs, the temperature of reformer chamber 101 is 320-570 DEG C of temperature, in reformer chamber 101, methyl alcohol and water vapour pass through catalyzer under the pressure condition of 1-5MPa, 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, the H that reforming reaction generates
2and CO
2; Reformer chamber 101 is connected by connecting pipeline with hydrogen purification apparatus 102, and all or part of of connecting pipeline is arranged at reformer chamber, and the high temperature by reformer chamber continues the mixed gas that heating exports from reformer chamber; Described connecting pipeline, as the buffering between reformer chamber and hydrogen purification apparatus, makes the temperature of the mixed gas exported from reformer chamber 101 identical with the temperature of hydrogen purification apparatus 102 or close; Hydrogen purification apparatus 102 adopts membrane separation unit, this membrane separation unit is the membrane separation unit at porous ceramic surface Vacuum Deposition palladium-silver alloy, coatings is palladium-silver alloy, the mass percent palladium of palladium-silver alloy accounts for 75%-78%, silver accounts for 22%-25%, the manufacturing process of membrane separation unit can refer to the patent of invention 201210563913.5 that the applicant Shanghai Hejide Dynamic Hydrogen Machine Co., Ltd. applied on December 21st, 2012, membrane separation apparatus of methanol-water hydrogen producer and preparation method thereof.
As depicted in figs. 1 and 2, described methanol-water Storing and conveying subsystem 4 comprises methanol-water Storing and conveying device 401 and the first magnetic valve 402, this methanol-water Storing and conveying device 401 comprises methanol-water storage vessel and transferpump, liquid first alcohol and water raw material is stored in described methanol-water storage vessel, described transferpump is used for the first alcohol and water feedstock transportation in methanol-water storage vessel to reformer 1(reference Fig. 1), described first magnetic valve 402 is used to open or close the transport pipe of methanol-water Storing and conveying subsystem 4.
As depicted in figs. 1 and 2, transport pipe between described methanol-water Storing and conveying device 401 and reformer 1 is provided with interchanger 403, when methanol-water hydrogen production system employing reforming technology runs, the first alcohol and water raw material of low temperature is in interchanger 403, heat exchange is carried out with the high-temperature hydrogen in hydrogen output channel 2, first alcohol and water raw material temperature after interchanger 403 raises, vaporization, and hydrogen temperature after interchanger 403 reduces; Described hydrogen output channel 2 is provided with the second magnetic valve 201, to open or close hydrogen output channel 2.
As depicted in figs. 1 and 2, vacuumize air discharge subsystem 5 described in and comprise vacuum pumping pump 501, hydrogen and oxygen concentration sensor 502, pressure transmitter 503, scatterer 504 and the 3rd magnetic valve 505; When methanol-water hydrogen production system employing reforming technology is out of service, vacuum pumping pump 501 starts, and the reformer chamber 101 of reformer 1 and the ducted air of hydrogen purification devices 102 are discharged successively after scatterer 504 and vacuum pumping pump 501; Described hydrogen and oxygen concentration sensor 502 and pressure transmitter 503 are arranged on the transport pipe between scatterer 504 and vacuum pumping pump 501, so that the hydrogen and oxygen concentration detected in transport pipe and air pressure; Described 3rd magnetic valve 505 is arranged on the transport pipe of scatterer 504 side, vacuumizes to open or close the transfer passage that air discharges subsystem 5.Further, the transport pipe of the air outlet end of described vacuum pumping pump 501 is also provided with check valve 506 and the 4th magnetic valve 507.
As depicted in figs. 1 and 2; described non-hydrogen non-oxygen shielding gas transport subsystem 6 comprises non-hydrogen non-oxygen shielding gas storage tank 601 and the 5th magnetic valve 602; in this non-hydrogen non-oxygen shielding gas storage tank 601, storage has non-hydrogen non-oxygen shielding gas, and the 5th magnetic valve 602 is used to open or close the transfer passage of non-hydrogen non-oxygen shielding gas transport subsystem 6.Further, the transfer passage of described non-hydrogen non-oxygen shielding gas transport subsystem 6 is also provided with check valve 603.Further, described non-hydrogen non-oxygen shielding gas is CO
2or N
2, be particularly preferably CO
2, in methanol-water hydrogen production system employing reforming technology operational process, CO
2collect from the residual air after separation, thus make residual air obtain Appropriate application.
As depicted in figs. 1 and 2, the equipped at outlet port of described residual air output channel 3 is provided with the 6th magnetic valve 301, to open or close residual air output channel 3.
As shown in Figure 3, in conjunction with reference to figure 2, based on the guard method of the hydrogen purification devices securing system of methanol-water hydrogen production system employing reforming technology, comprise following methods step:
(1) methanol-water hydrogen production system employing reforming technology is out of service;
(2) control device (not shown) controls respectively:
A. the transfer passage of methanol-water Storing and conveying subsystem closes (closing the first magnetic valve);
B. hydrogen output channel closes (closing the second magnetic valve);
C. residual air exhaust channel is closed (closing the 6th magnetic valve);
D. the output channel of non-hydrogen non-oxygen shielding gas transport subsystem is opened (opening the 5th magnetic valve);
E. the transfer passage vacuumizing air discharge subsystem is opened (opening the 3rd magnetic valve and the 4th magnetic valve);
(3) instant detection vacuumizes air and discharges hydrogen in subsystem transfer passage and oxygen concentration and air pressure;
(4) when the hydrogen vacuumized in air discharge subsystem transfer passage and oxygen concentration are reduced to preset value, close the output channel of non-hydrogen non-oxygen shielding gas transport subsystem and vacuumize the transfer passage that air discharges subsystem.
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 (9)
1. based on the hydrogen purification devices securing system of methanol-water hydrogen production system employing reforming technology; it is characterized in that: comprise reformer, methanol-water Storing and conveying subsystem, vacuumize air discharge subsystem, hydrogen output channel, residual air output channel and non-hydrogen non-oxygen shielding gas transport subsystem, wherein:
Reformer, comprise reformer chamber and hydrogen purification devices, described reformer chamber is used for methyl alcohol and water vapor generation reformation hydrogen production reacts obtained hydrogen and carbon dioxide gas mixture, described hydrogen purification devices is used for being separated with carbon dioxide gas mixture obtained hydrogen, isolated hydrogen exports from hydrogen output channel, and isolated carbonic acid gas is discharged from residual air output channel;
Methanol-water Storing and conveying subsystem, for the reformer chamber conveying first alcohol and water raw material to reformer;
Vacuumize air and discharge subsystem, for when methanol-water hydrogen production system employing reforming technology is out of service, extract the reformer chamber of reformer and the ducted air of hydrogen purification devices out;
Non-hydrogen non-oxygen shielding gas transport subsystem, for when methanol-water hydrogen production system employing reforming technology is out of service, is filled with hydrogen purification devices by reverse for non-hydrogen non-oxygen shielding gas, to drive away rapidly the residual gas in hydrogen purification apparatus, and protection hydrogen purification devices.
2. the hydrogen purification devices securing system based on methanol-water hydrogen production system employing reforming technology according to claim 1, it is characterized in that: the reformer chamber of described reformer is provided with catalyzer, when methanol-water hydrogen production system employing reforming technology runs, the temperature of reformer chamber is 320-570 DEG C of temperature, the obtained hydrogen-containing gas of reformation hydrogen production reaction of methyl alcohol and water vapor is there is in methyl alcohol and water vapor under the catalyst action of reformer chamber, reformer chamber is connected by connecting pipeline with hydrogen purification apparatus, the all or part of of connecting pipeline is arranged at reformer chamber, high temperature by reformer chamber continues the mixed gas that heating exports from reformer chamber, described connecting pipeline, as the buffering between reformer chamber and hydrogen purification apparatus, makes the temperature of the mixed gas exported from reformer chamber identical with the temperature of hydrogen purification apparatus or close.
3. the hydrogen purification devices securing system based on methanol-water hydrogen production system employing reforming technology according to claim 1, it is characterized in that: described methanol-water Storing and conveying subsystem comprises methanol-water Storing and conveying device and the first magnetic valve, this methanol-water Storing and conveying device comprises methanol-water storage vessel and transferpump, liquid first alcohol and water raw material is stored in described methanol-water storage vessel, described transferpump is used for the first alcohol and water feedstock transportation in methanol-water storage vessel to reformer, described first magnetic valve is used to open or close the transport pipe of methanol-water Storing and conveying subsystem.
4. the hydrogen purification devices securing system based on methanol-water hydrogen production system employing reforming technology according to claim 3, it is characterized in that: the transport pipe between described methanol-water Storing and conveying device and reformer is provided with interchanger, when methanol-water hydrogen production system employing reforming technology runs, the first alcohol and water raw material of low temperature is in interchanger, heat exchange is carried out with the high-temperature hydrogen in hydrogen output channel, first alcohol and water raw material temperature after interchanger raises, vaporization, and hydrogen temperature after interchanger reduces; Described hydrogen output channel is provided with the second magnetic valve, to open or close hydrogen output channel.
5. the hydrogen purification devices securing system based on methanol-water hydrogen production system employing reforming technology according to claim 1, is characterized in that: described in vacuumize air discharge subsystem comprise vacuum pumping pump, hydrogen and oxygen concentration sensor, pressure transmitter, scatterer and the 3rd magnetic valve; When methanol-water hydrogen production system employing reforming technology is out of service, vacuum pumping pump starts, and the reformer chamber of reformer and the ducted air of hydrogen purification devices are discharged successively after scatterer and vacuum pumping pump; Described hydrogen and oxygen concentration sensor and pressure transmitter are arranged on the transport pipe between scatterer and vacuum pumping pump, so that the hydrogen and oxygen concentration detected in transport pipe and air pressure; Described 3rd magnetic valve is arranged on the transport pipe of scatterer side, vacuumizes to open or close the transfer passage that air discharges subsystem.
6. the hydrogen purification devices securing system based on methanol-water hydrogen production system employing reforming technology according to claim 5, is characterized in that: the transport pipe of the air outlet end of described vacuum pumping pump is also provided with check valve and the 4th magnetic valve.
7. the hydrogen purification devices securing system based on methanol-water hydrogen production system employing reforming technology according to claim 1; it is characterized in that: described non-hydrogen non-oxygen shielding gas transport subsystem comprises non-hydrogen non-oxygen shielding gas storage tank and the 5th magnetic valve; in this non-hydrogen non-oxygen shielding gas storage tank, storage has non-hydrogen non-oxygen shielding gas, and the 5th magnetic valve is used to open or close the transfer passage of non-hydrogen non-oxygen shielding gas transport subsystem.
8. the hydrogen purification devices securing system based on methanol-water hydrogen production system employing reforming technology according to claim 7, is characterized in that: the transfer passage of described non-hydrogen non-oxygen shielding gas transport subsystem is also provided with check valve.
9. the hydrogen purification devices securing system based on methanol-water hydrogen production system employing reforming technology according to claim 7, is characterized in that: described non-hydrogen non-oxygen shielding gas is CO
2or N
2.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925755A (en) * | 2015-06-05 | 2015-09-23 | 广东合即得能源科技有限公司 | Hydrogen purification device protection system and method based on methanol water reforming hydrogen production system |
-
2015
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925755A (en) * | 2015-06-05 | 2015-09-23 | 广东合即得能源科技有限公司 | Hydrogen purification device protection system and method based on methanol water reforming hydrogen production system |
| WO2016192575A1 (en) * | 2015-06-05 | 2016-12-08 | 广东合即得能源科技有限公司 | Hydrogen purification device protection system and method based on methanol-water reforming hydrogen production system |
| CN104925755B (en) * | 2015-06-05 | 2017-06-06 | 广东合即得能源科技有限公司 | Hydrogen purification devices protection system and method based on methanol-water hydrogen production system employing reforming technology |
| US10106404B2 (en) | 2015-06-05 | 2018-10-23 | Guangdong Hydrogen Energy Science And Technology Co., Ltd | Residual gas heat exchange combustion-supporting system based on methanol-water mixture reforming hydrogen production system, and method thereof |
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Granted publication date: 20151118 Effective date of abandoning: 20170606 |
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