CN104860264B - Residual gas heat exchange combustion-supporting system and method based on methanol water reforming hydrogen production system - Google Patents
Residual gas heat exchange combustion-supporting system and method based on methanol water reforming hydrogen production system Download PDFInfo
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Abstract
The invention discloses a residual gas heat exchange combustion-supporting system and a residual gas heat exchange combustion-supporting method based on a methanol water reforming hydrogen production system. The system comprises a reformer, a heat exchange tube and an air inlet device. The reformer is provided with a reforming chamber, a separation device, a combustion cavity and an exhaust chimney. Residual gas produced by the reformer is discharged to a first delivery channel of the heat exchange tube through the exhaust chimney. The heat exchange tube has the first delivery channel and a second delivery channel forming a double-layer concentric structure. On one end of the heat exchange tube, the first delivery channel communicates with the exhaust chimney, and the second delivery channel communicates with a combustion cavity air inlet of the reformer. On the other end of the heat exchange tube, the first delivery channel is provided with a residual gas outlet, and the second delivery channel is connected with the air inlet device. In the second delivery channel, external air inputted by the air inlet device is subjected to heat exchange with the residual gas in the first delivery pipe. With the system provided by the invention, heat in discharged residual gas can be fully recovered, and external air can be heated before entering the reformer. Therefore, the combustion-supporting effect of the heated external air is good.
Description
Technical field
The present invention relates to methanol-water hydrogen production system employing reforming technology technical field, it is based on methanol-water reformation hydrogen production system particularly to a kind of
The residual air heat exchange combustion-supporting system of system and method.
Background technology
Hydrogen, is a kind of one of optimal energy of 21 century, in the situation of the coal, gasoline and hydrogen of burning identical weight
Under, the energy that hydrogen produces is most, and the product that it burns is water, does not have lime-ash and waste gas, does not pollute the environment；And coal and
The mainly co that oil combustion generates2And so2, greenhouse effect and acid rain can be produced respectively.Coal and reserves are limited,
And hydrogen is mainly stored in water, after burning, unique product is also water, can continuously produce hydrogen, never be finished.Hydrogen
Distribution very extensive, water is exactly big " warehouse " of hydrogen, the wherein hydrogen containing 11%.There is 1.5% hydrogen soil Rio；Oil, coal,
All contain hydrogen in natural gas, animal and plant body etc..The main body of hydrogen is presented in compound water, and earth surface about 70%
Covered by water, moisture storage capacity is very big, accordingly, it can be said that hydrogen is the energy of " inexhaustible, nexhaustible ".If can be with suitably
Method is from preparing hydrogen, then hydrogen also will be a kind of comparatively inexpensive energy of price.
At present, the annual production of hydrogen is about 36,000,000 tons in the world, and hydrogen production process mainly has two kinds: one, most hydrogen
It is to produce from oil, coal and natural gas, this method needs to consume fossil fuel natively very in short supply；Two, there are about
4% hydrogen is to be produced with being electrolysed the method for water, and this method consumes electric energy greatly, does not calculate very much.With the progress of technology, using first
The technology of alcohol and water reformation hydrogen production is developed gradually, and it can reduce energy consumption and reduces cost in Chemical Manufacture, and is expected to replace
For power consumption especially electrolysis hydrogen producing process.Produce h using advanced methanol steam reforming technology2With co2Mixing
Gas, then separate through palladium membrane separator, h can be respectively obtained2And co2.
With reference to Chinese invention application 201310340475.0(applicant: Shanghai Hejide Dynamic Hydrogen Machine Co., Ltd.), should
Patent discloses a kind of Methanol water hydrogen production system, methanol and vapor in the reformer chamber of reformer, at a temperature of 350-570 DEG C
Pass through catalyst under the pressure condition of 1-5m pa, in the presence of catalyst, methanol decomposition reaction and the change of carbon monoxide occur
Change reaction, generate hydrogen and carbon dioxide, this is component more than, the gas solid catalytic reaction system of many reactions.Reactional equation is such as
Under: (1) ch3oh→co+2h2；(2)h2o+co→co2+h2；(3)ch3oh+h2o→co2+3h2, the h that reforming reaction generates2With
co2, then the palladium membrane separator through separation chamber is by h2And co2Separate, obtain high-purity hydrogen.
During the reformation hydrogen production of methanol and vapor reacts, due to needing to maintain 350-570 DEG C of temperature in reformer,
Therefore, after reformer startup, the h that a part generates2Need and o2Burning, produces heat, to maintain the operation of reformer.
In the prior art, o2It is directed to and fans air into reformer from the external world, referring in particular to Chinese invention application
201410311217.4(applicant: Guangdong is closed and obtained final product Energy Science Co., Ltd), reformer is provided with air intake cover plate, this air intake
Cover plate is provided with air channel, and outside air can enter in reformer through this air channel.Reformer is provided with exhaust apparatus (inflator), extraneous empty
N in gas2、co2Etc. unburned gas, o2With h2The steam producing after burning, discharges all from exhaust apparatus (inflator),
Meanwhile, the h that methanol-water reforming reaction generates2And co2, after hydrogen isolated by the palladium membrane separator of separation chamber, remaining
co2And unreacted steam also discharges from exhaust apparatus (inflator).The residual air that these are discharged (includes steam, co2、 n2Deng
Gas) characteristic that has is: oxygen deprivation, rich water vapour, heat are high, and its temperature is generally between 300-600 DEG C.
Hold, based on above technical situation, the defect that it brings is: one, the residual air discharged, waste substantial amounts of heat
Energy-saving and emission-reduction can be unfavorable for so that the methanol-water raw material availability of methanol-water hydrogen production system employing reforming technology is not high；That two, discharges is remaining
Gas, has higher temperature (generally between 300-600 DEG C), affects methanol-water hydrogen production system employing reforming technology each several part equipment operation,
If for example when control device is affected by high-temperature gas, its life-span and stability will substantially reduce, or even occur seriously burning out asking
Topic；The three, o that in reformer, burning needs2It is directed to and fans air into reformer from the external world, air themperature is room temperature,
After normal temperature air is directly entered reformer, its combustion-supporting effect is not good.
Content of the invention
The technical problem to be solved in the present invention is for above-mentioned deficiency of the prior art, provides one kind to be based on methanol-water weight
The residual air heat exchange combustion-supporting system of whole hydrogen generating system, this residual air heat exchange combustion-supporting system can fully reclaim in the residual air that reformer is discharged
Heat, so that outside air was heated up before entering reformer, and then make the outside air combustion-supporting effect after intensification very
Good.For this reason, the present invention also provides a kind of method of described residual air heat exchange combustion-supporting system.
For solving above-mentioned first technical problem, the technical scheme is that
A kind of residual air heat exchange combustion-supporting system based on methanol-water hydrogen production system employing reforming technology, including reformer, heat exchanger tube and air intake
Device, wherein:
Reformer, reformer is provided with reformer chamber, segregation apparatuss, combustion chamber and exhausting chimney mouth, and described reformer chamber is used for methanol
Reformation hydrogen production is occurred react prepared hydrogen and carbon dioxide gas mixture with water vapour, described segregation apparatuss are used for isolating prepared
Hydrogen, described combustion chamber is used for the oxygen combustion in hydrogen and the outside air being partly obtained, and the operation for reformer provides
Heat；Steam and extraneous sky that carbon dioxide after described segregation apparatuss separation, burning intracavity hydrogen and oxygen burning produce
Unburned gas in gas is mixed into residual air, arranges the first transfer passage to heat exchanger tube from described exhausting chimney mouth；
Heat exchanger tube, heat exchanger tube has the first transfer passage and second transfer passage of the double-layer coaxial heart, the one of heat exchanger tube
End, the first transfer passage is connected with described exhausting chimney mouth, and the second transfer passage is connected with the combustion chamber air inlet of reformer；
In the other end of heat exchanger tube, the first transfer passage is provided with residual air outlet, and the second transfer passage connects air-intake device；Described air intake
The outside air of device input, in the second transfer passage, carries out heat exchange, outside air temperature with the residual air in the first transfer passage
Degree raises, and the combustion chamber entering reformer is combustion-supporting, and residual air temperature reduces, and discharges from the residual air outlet of the first transfer passage.
Described moisture trap is additionally provided with based on the residual air heat exchange combustion-supporting system of methanol-water hydrogen production system employing reforming technology, this air water divides
Include separator main body from device and be arranged at air water input port on separator main body, gas outlet and outlet, wherein, this air water
Input port connects the residual air outlet of described first transfer passage, and this gas outlet connects scavenger fan.
The outlet of described moisture trap is connected with water purifier, is provided with ro film purifier, through water purification in this water purifier
Water purification after device purifies exports to clear water tank.
Described methanol-water Storing and conveying device is also included based on the residual air heat exchange combustion-supporting system of methanol-water hydrogen production system employing reforming technology,
This methanol-water Storing and conveying device includes methanol-water storage container and delivery pump, stores liquid in described methanol-water storage container
First alcohol and water raw material, described delivery pump be used for by the first alcohol and water feedstock transportation in methanol-water storage container to reformer；Institute
State the water that moisture trap exports or the water that clear water tank exports as water raw material supply to methanol-water storage container.
Conveyance conduit between described methanol-water Storing and conveying device and reformer is provided with heat exchanger, the methanol of low temperature and
Water raw material, in heat exchanger, carries out heat exchange with the high-temperature hydrogen of reformer chamber output, and first alcohol and water material temperature raises, vaporization；Institute
State the hydrogen of the aerogenesis end output of segregation apparatuss, temperature reduces after heat exchanger.
Described heat exchanger tube is surrounded on the shell of reformer in the shape of a spiral, the upper end of described heat exchanger tube, for connecting reformer
Exhausting chimney mouth and reformer combustion chamber air inlet one end, the lower end of described heat exchanger tube, for connecting air-intake device and residual air
One end of outlet.
Described heat exchanger tube is the titanium alloy corrugated pipe of the double-layer coaxial heart, magnesium alloy corrugation pipe, aluminum corrugated tube, copper ripple
Any one in pipe, corrugated stainless steel tubing.
For solving above-mentioned second technical problem, the technical scheme is that
A kind of method of the residual air heat exchange combustion-supporting system based on methanol-water hydrogen production system employing reforming technology, comprises the following steps:
(1) reformer is in running, discharges oxygen deprivation, the residual air containing steam, high heat from exhausting chimney mouth, this residual air from
Heat exchanger tube one end enters the first transfer passage of heat exchanger tube；Meanwhile, air-intake device work, the external world entering from air-intake device
Air, enters the second transfer passage of heat exchanger tube from the heat exchanger tube other end；
(2) outside air, in the second transfer passage, carries out heat exchange, outside air temperature with the residual air in the first transfer passage
Degree raises, and becomes high heat air, and it is combustion-supporting to enter the combustion chamber of reformer；Meanwhile, residual air temperature reduces, and becomes low grade fever
The residual air of amount, and the steam in residual air is then condensed into condensed water, all discharges from the residual air outlet of the first transfer passage.
The residual air that the residual air outlet of described first transfer passage is discharged and condensed water all enter moisture trap, through air water
After separator separates, residual air is discharged outside to through scavenger fan, and condensed water uses as the water raw material that reformer runs.
The invention has the beneficial effects as follows:
One, the present invention pass through to arrange the heat exchanger tube of the double-layer coaxial heart, make a large amount of heat energy in the residual air of reformer discharge
Can recycle so that the methanol-water raw material availability of methanol-water hydrogen production system employing reforming technology is greatly improved, be conducive to energy-saving and emission-reduction；
The two, residual air discharged from the exhausting chimney mouth of reformer, its temperature generally between 300-600 DEG C, through heat exchanger tube
After heat exchange, temperature generally will drop to less than 50 DEG C, and so low residual air temperature is difficult to have influence on methanol-water hydrogen production system employing reforming technology again
Each several part equipment operation, thus be avoided that high temperature residual air reduces the life-span of methanol-water hydrogen production system employing reforming technology and asking of stability
Topic, and avoid the occurrence of the problem seriously burning out equipment；
Three, outside air in heat exchanger tube with high temperature residual air heat exchange after, outside air temperature raises rapidly, its temperature lead to
200-500 DEG C of high temperature often can be reached, after high temperature air enters the combustion chamber of reformer, not only high temperature air can be reformer chamber
There is provided a part of heat, to reduce combustion of hydrogen amount, and the oxygen in high temperature air preferably can be burnt with hydrogen, makes oxygen
Combustion-supporting effect is very good；
Additionally, in present invention further optimization mode, the present invention also sets up moisture trap, the gas of moisture trap
Water input connects the residual air outlet of described heat exchanger tube, when oxygen deprivation, the residual air containing steam, high heat pass through heat exchanger tube heat exchange
Afterwards, most of steam is condensed into condensed water to the cold, after this partial condensation water separates through moisture trap, going out from moisture trap
The mouth of a river is flowed out, thus water raw material methanol-water reformation hydrogen production reaction required for is obtained, or is used as other；Use methanol-water at some
The water resource of hydrogen production system employing reforming technology lacks region, such as high mountain communication base station, hydrogen generator station etc., and controlling the water circulation effect is especially notable.
Brief description
Fig. 1 is the overall structure block diagram of the present invention.
Fig. 2 is that the vertical profile of one embodiment of the present invention regards principle schematic diagram..
Fig. 3 is that the vertical profile of another preferred embodiment of the present invention regards principle schematic diagram..
Fig. 4 is the cross-sectional structure schematic diagram of heat exchanger tube.
Specific embodiment
Below in conjunction with the accompanying drawings the structural principle and operation principle of the present invention is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, the present invention is a kind of combustion-supporting system of residual air heat exchange based on methanol-water hydrogen production system employing reforming technology
System, including reformer 1, heat exchanger tube 2 and air-intake device 3, wherein:
Reformer 1, reformer is provided with reformer chamber, segregation apparatuss, combustion chamber and exhausting chimney mouth 11, and described reformer chamber is used for first
Alcohol and water vapour occur reformation hydrogen production to react prepared hydrogen and carbon dioxide gas mixture, and the temperature of reformer chamber is 300-570
DEG C temperature, reformer chamber is provided with catalyst, and in reformer chamber, methanol and vapor pass through to urge under the pressure condition of 1-5m pa
, in the presence of catalyst, there is methanol decomposition reaction and the transformationreation of carbon monoxide, generate hydrogen and titanium dioxide in agent
Carbon, this is component more than, the gas solid catalytic reaction system of many reactions, and reactional equation is: (1) ch3oh→co+2h2、(2)h2o+
co→co2+h2、(3)ch3oh+h2o→co2+3h2, the h that reforming reaction generates2And co2；Described segregation apparatuss are used for isolating
Prepared hydrogen, segregation apparatuss are preferably membrane separation device, and this membrane separation device is to close in porous ceramic surface Vacuum Deposition palladium-silver
The membrane separation device of gold, film plating layer is palladium-silver, and the mass percent palladium of palladium-silver accounts for 75%-78%, and silver accounts for 22%-25%,
Temperature in segregation apparatuss is identical with the temperature of reformer chamber or close；Described combustion chamber is used for the hydrogen being partly obtained and the external world
The oxygen combustion of in the air, the operation for reformer provides heat；Carbon dioxide after described segregation apparatuss separation, combustion chamber
Unburned gas mix dust in the steam of interior hydrogen and oxygen burning generation and outside air becomes residual air, from described exhausting chimney
Mouth 11 rows are to the first transfer passage of heat exchanger tube 2；
Heat exchanger tube 2, heat exchanger tube 2 has the first transfer passage and second transfer passage of the double-layer coaxial heart, in heat exchanger tube 2
One end, the first transfer passage is connected with described exhausting chimney mouth 11, the combustion chamber air inlet 12 of the second transfer passage and reformer
It is connected；In the other end of heat exchanger tube 2, the first transfer passage is provided with residual air outlet, and the second transfer passage connects air-intake device
3；The outside air of described air-intake device 3 input, in the second transfer passage, carries out heat exchange with the residual air in the first transfer passage,
Outside air temperature raises, and the combustion chamber entering reformer is combustion-supporting, and residual air temperature reduces, and discharges from the residual air of the first transfer passage
Mouth is discharged.
It should be noted that combining with reference to Fig. 4, the present invention adopts the title of the first transfer passage and the second transfer passage,
It is not to limit the outer layer channel 11 of heat exchanger tube and the title of inner-layer channel 12, but for distinguishing the outer layer channel 11 of heat exchanger tube
Or inner-layer channel 12.In fig. 2, the first transfer passage refers to the outer layer channel 11 of heat exchanger tube, and the second transfer passage refers to
The inner-layer channel 12 of heat exchanger tube；In figure 3, the first transfer passage refers to the inner-layer channel 12 of heat exchanger tube, the second transfer passage
Refer to the outer layer channel 11 of heat exchanger tube.From drawing, when the outer layer channel 11 conveying residual air of heat exchanger tube, the internal layer of heat exchanger tube
Passage 12 then conveys outside air；When the inner-layer channel 12 conveying residual air of heat exchanger tube, the outer layer channel 11 of heat exchanger tube then conveys
Outside air.
As shown in Figure 1, Figure 2 and Figure 3, described it is additionally provided with based on the residual air heat exchange combustion-supporting system of methanol-water hydrogen production system employing reforming technology
Moisture trap 4, this moisture trap 4 include separator main body 41 and be arranged at air water input port 42 on separator main body,
Gas outlet 43 and outlet 44, wherein, this air water input port 42 connects the residual air outlet of described first transfer passage, and this is given vent to anger
Mouth 43 connection scavenger fans 5.
As shown in Figure 1, Figure 2 and Figure 3, the outlet 44 of described moisture trap 4 is connected with water purifier 6, in this water purifier 6
It is provided with ro film purifier, the water purification after purifying through water purifier 6 exports to clear water tank 7.
As shown in figure 1, described also include methanol-water storage based on the residual air heat exchange combustion-supporting system of methanol-water hydrogen production system employing reforming technology
Deposit conveyer device 8, this methanol-water Storing and conveying device 8 includes methanol-water storage container and delivery pump, described methanol-water storage is held
The first alcohol and water raw material of liquid is stored, described delivery pump is used for will be defeated for the first alcohol and water raw material in methanol-water storage container in device
Deliver to reformer 1；Water that described moisture trap 4 exports or the water that clear water tank 7 exports are as water raw material supply to methanol
Water storage container, but remaining water he other use.
As shown in figure 1, the conveyance conduit between described methanol-water Storing and conveying device 8 and reformer 1 is provided with heat exchanger
9, the first alcohol and water raw material of low temperature, in heat exchanger 9, carries out heat exchange, first alcohol and water raw material temperature with the high-temperature hydrogen of reformer chamber output
Degree raises, vaporization；The hydrogen of the aerogenesis end output of described segregation apparatuss, after heat exchanger 9, temperature reduces.
As shown in Figures 2 and 3, described heat exchanger tube 2 is surrounded on the shell of reformer 1 in the shape of a spiral, so, not only can save
Spatial volume about shared by heat exchanger tube 2, and can fully extend the length of heat exchanger tube 2.The upper end of described heat exchanger tube 2, for connection
One end of the combustion chamber air inlet 12 of the exhausting chimney mouth 11 of reformer and reformer, the lower end of described heat exchanger tube 2, for connecting air intake
Device 3 and one end of residual air outlet, so, are conducive to the rear rapid decline to the cold of high temperature residual air, and are conducive to low outside
Air rises rapidly after heated.
In technique scheme, described heat exchanger tube is the titanium alloy corrugated pipe of the double-layer coaxial heart, magnesium alloy corrugation pipe, aluminum
Any one in matter corrugated tube, copper corrugated tube, corrugated stainless steel tubing, its rigidity property is very good.
The method of the above-mentioned residual air heat exchange combustion-supporting system based on methanol-water hydrogen production system employing reforming technology, comprises the following steps:
(1) reformer is in running, discharges oxygen deprivation, the residual air containing steam, high heat from exhausting chimney mouth, this residual air from
Heat exchanger tube one end enters the first transfer passage of heat exchanger tube；Meanwhile, air-intake device work, the external world entering from air-intake device
Air, enters the second transfer passage of heat exchanger tube from the heat exchanger tube other end；
(2) outside air, in the second transfer passage, carries out heat exchange, outside air temperature with the residual air in the first transfer passage
Degree raises, and becomes high heat air, and it is combustion-supporting to enter the combustion chamber of reformer；Meanwhile, residual air temperature reduces, and becomes low grade fever
The residual air of amount, and the steam in residual air is then condensed into condensed water, all discharges from the residual air outlet of the first transfer passage.
Further, the residual air that the residual air outlet of described first transfer passage is discharged and condensed water all enter gas-water separation
Device, after separating through moisture trap, residual air is discharged outside to through scavenger fan, and condensed water makes as the water raw material that reformer runs
With.
The above, be only better embodiment of the present invention, and every foundation technical scheme is to above enforcement
Any trickle amendment, equivalent variations and modification that mode is made, belong in the range of technical solution of the present invention.
Claims (10)
1. a kind of residual air heat exchange combustion-supporting system based on methanol-water hydrogen production system employing reforming technology it is characterised in that: include reformer, heat exchange
Pipe and air-intake device, wherein:
Reformer, reformer is provided with reformer chamber, segregation apparatuss, combustion chamber and exhausting chimney mouth, and described reformer chamber is used for methanol and water
The reaction of steam generation reformation hydrogen production is obtained hydrogen and carbon dioxide gas mixture, and described segregation apparatuss are used for isolating prepared hydrogen
Gas, described combustion chamber is used for the oxygen combustion in the hydrogen and outside air being partly obtained, and the operation for reformer provides heat；
In carbon dioxide after described segregation apparatuss separation, the steam of burning intracavity hydrogen and oxygen burning generation and outside air
Unburned gas is mixed into residual air, arranges the first transfer passage to heat exchanger tube from described exhausting chimney mouth；
Heat exchanger tube, heat exchanger tube has the first transfer passage and second transfer passage of the double-layer coaxial heart, in one end of heat exchanger tube, the
One transfer passage is connected with described exhausting chimney mouth, and the second transfer passage is connected with the combustion chamber air inlet of reformer；Changing
The other end of heat pipe, the first transfer passage is provided with residual air outlet, and the second transfer passage connects air-intake device；Described air-intake device
The outside air of input, in the second transfer passage, carries out heat exchange, outside air temperature liter with the residual air in the first transfer passage
Height, the combustion chamber entering reformer is combustion-supporting, and residual air temperature reduces, and discharges from the residual air outlet of the first transfer passage.
2. the residual air heat exchange combustion-supporting system based on methanol-water hydrogen production system employing reforming technology according to claim 1 it is characterised in that:
This residual air heat exchange combustion-supporting system is additionally provided with moisture trap, and this moisture trap includes separator main body and is arranged at separator master
Air water input port on body, gas outlet and outlet, wherein, this air water input port connects the residual air row of described first transfer passage
Outlet, this gas outlet connects scavenger fan.
3. the residual air heat exchange combustion-supporting system based on methanol-water hydrogen production system employing reforming technology according to claim 2 it is characterised in that:
Described methanol-water Storing and conveying device, this methanol-water are also included based on the residual air heat exchange combustion-supporting system of methanol-water hydrogen production system employing reforming technology
Storing and conveying device includes methanol-water storage container and delivery pump, store in described methanol-water storage container liquid methanol and
Water raw material, described delivery pump is used for the first alcohol and water feedstock transportation in methanol-water storage container to reformer；Described air water divides
The water exporting from device is as water raw material supply to methanol-water storage container.
4. the residual air heat exchange combustion-supporting system based on methanol-water hydrogen production system employing reforming technology according to claim 2 it is characterised in that:
The outlet of described moisture trap is connected with water purifier, is provided with ro film purifier in this water purifier, after purifying through water purifier
Water purification export to clear water tank.
5. the residual air heat exchange combustion-supporting system based on methanol-water hydrogen production system employing reforming technology according to claim 4 it is characterised in that:
Described methanol-water Storing and conveying device, this methanol-water are also included based on the residual air heat exchange combustion-supporting system of methanol-water hydrogen production system employing reforming technology
Storing and conveying device includes methanol-water storage container and delivery pump, store in described methanol-water storage container liquid methanol and
Water raw material, described delivery pump is used for the first alcohol and water feedstock transportation in methanol-water storage container to reformer；Described water purification water
The water that case exports is as water raw material supply to methanol-water storage container.
6. the residual air heat exchange combustion-supporting system based on methanol-water hydrogen production system employing reforming technology according to claim 3 or 5, its feature exists
In: the conveyance conduit between described methanol-water Storing and conveying device and reformer is provided with heat exchanger, and the first alcohol and water of low temperature is former
Material, in heat exchanger, carries out heat exchange with the high-temperature hydrogen of reformer chamber output, and first alcohol and water material temperature raises, vaporization；Described point
From the hydrogen of the aerogenesis end of device output, after heat exchanger, temperature reduces.
7. the combustion-supporting system of residual air heat exchange based on methanol-water hydrogen production system employing reforming technology according to any one in Claims 1 to 5
System it is characterised in that: described heat exchanger tube is surrounded on the shell of reformer in the shape of a spiral, the upper end of described heat exchanger tube, for connection
One end of the combustion chamber air inlet of the exhausting chimney mouth of reformer and reformer, the lower end of described heat exchanger tube, for connecting air-intake device
And one end of residual air outlet.
8. the combustion-supporting system of residual air heat exchange based on methanol-water hydrogen production system employing reforming technology according to any one in Claims 1 to 5
System it is characterised in that: described heat exchanger tube is the titanium alloy corrugated pipe of the double-layer coaxial heart, magnesium alloy corrugation pipe, aluminum corrugated tube, copper
Any one in matter corrugated tube, corrugated stainless steel tubing.
9. the method based on the residual air heat exchange combustion-supporting system of methanol-water hydrogen production system employing reforming technology for any one in Claims 1 to 5, its
It is characterised by, comprise the following steps:
(1) reformer, in running, discharges oxygen deprivation, the residual air containing steam, high heat from exhausting chimney mouth, this residual air is from heat exchange
Pipe one end enters the first transfer passage of heat exchanger tube；Meanwhile, air-intake device work, the extraneous sky entering from air-intake device
Gas, enters the second transfer passage of heat exchanger tube from the heat exchanger tube other end；
(2) outside air, in the second transfer passage, carries out heat exchange, outside air temperature liter with the residual air in the first transfer passage
Height, becomes high heat air, and it is combustion-supporting to enter the combustion chamber of reformer；Meanwhile, residual air temperature reduces, and becomes low in calories
Residual air, and the steam in residual air is then condensed into condensed water, all discharges from the residual air outlet of the first transfer passage.
10. the method for the residual air heat exchange combustion-supporting system based on methanol-water hydrogen production system employing reforming technology according to claim 9, it is special
Levy and be: the residual air that the residual air outlet of described first transfer passage is discharged and condensed water all enter moisture trap, through air water
After separator separates, residual air is discharged outside to through scavenger fan, and condensed water uses as the water raw material that reformer runs.
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| CN107253699B (en) * | 2017-05-25 | 2019-07-26 | 北京东方华氢科技有限公司 | A kind of hydrogen preparation facilities |
| CN110862067B (en) * | 2019-10-28 | 2023-08-18 | 中科院大连化学物理研究所张家港产业技术研究院有限公司 | Low-pressure hydrogen production system of methanol water hydrogenation station and working method thereof |
| CN110790230A (en) * | 2019-10-28 | 2020-02-14 | 中科液态阳光(苏州)氢能科技发展有限公司 | Methanol water medium-pressure hydrogen production system and hydrogen production method thereof |
| CN111346590B (en) * | 2020-03-31 | 2021-10-08 | 上海岚泽能源科技有限公司 | Integrated reactor |
| CN113621977A (en) * | 2021-09-14 | 2021-11-09 | 北京思伟特新能源科技有限公司 | Hydrogen production system with solid oxide electrolysis trough |
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| JP5616754B2 (en) * | 2010-11-11 | 2014-10-29 | 住友精化株式会社 | Hydrogen gas production equipment |
| CN102874754B (en) * | 2012-09-13 | 2014-07-09 | 上海合既得动氢机器有限公司 | System and method for preparing hydrogen by using methanol water |
| CN103569964B (en) * | 2013-10-29 | 2016-08-17 | 上海合既得动氢机器有限公司 | Methanol-water is utilized to prepare the equipment of hydrogen |
| CN203702483U (en) * | 2013-11-29 | 2014-07-09 | 上海合既得动氢机器有限公司 | Alcohol hydrogen power pump |
| CN204643838U (en) * | 2015-04-22 | 2015-09-16 | 广东合即得能源科技有限公司 | Based on the residual air heat exchange combustion-supporting system of methanol-water hydrogen production system employing reforming technology |
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