CN105110293A - Hydrogen gas membrane separation apparatus - Google Patents
Hydrogen gas membrane separation apparatus Download PDFInfo
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- CN105110293A CN105110293A CN201510512450.3A CN201510512450A CN105110293A CN 105110293 A CN105110293 A CN 105110293A CN 201510512450 A CN201510512450 A CN 201510512450A CN 105110293 A CN105110293 A CN 105110293A
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- hydrogen
- separation film
- hydrogen separation
- mixed gas
- gas outlet
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Abstract
The invention discloses a hydrogen gas membrane separation apparatus which comprises a tubular hydrogen gas separation membrane, a housing, an embedded part, a mixed gas inlet tube, a filtered gas discharge tube and a hydrogen gas discharge tube, wherein the mixed gas inlet tube and the filtered gas discharge tube are mounted on the bottom of the housing; the mixed gas inlet tube extends into the housing; the hydrogen gas discharge tube is mounted on the top of the housing; the hydrogen gas separation membrane is arranged in the housing; the upper end of the hydrogen gas separation membrane is in sealing connection with a sealing plate, and the lower end of the hydrogen gas separation membrane is in sealing connection with a bottom plate; a distance between the hydrogen gas separation membrane and the housing is 10mm-20mm; the hydrogen gas separation membrane is made of a copper-palladium alloy; a filtered gas discharge channel is arranged between the bottom plate and the mixed gas inlet tube; and the filtered gas discharge channel communicates with the filtered gas discharge tube.
Description
Technical field
The present invention relates to a kind of hydrogen separation membrane device, described a kind of device of membrane sepn hydrogen that adopts can make hydrogen separate from containing the mixed gas of hydrogen.
Background technology
Along with the environmental problems such as Global warming in the last few years receive much concern, the product research little to environment negatively influencing and exploitation are also more and more taken seriously.These start to be used as hydrogen and hydrogen fuel cell equal energy source.Described hereafter is the technology be separated from the gas body of hydrogen by hydrogen, more particularly, is a kind of hydrogen purification device with tubulose palladium alloy membrane.Hydrogen generates by reacting (see formula (1)) in water vapor as methane, also can produce hydrogen (see formula (2)) when carbon monoxide and water vapour react.
（1）CH4+H2O→CO+3H2
（2）CO+H2O→CO2+H2
But by finding out in the method for above-mentioned generation hydrogen, the hydrogen after generation is in mixed gas, and these mixed gass comprise carbonic acid gas, methane and water vapour.Although different with the type of reaction conditions according to raw material composition, in mixed gas, the large appointment of hydrogen accounts for cumulative volume 70%, and carbonic acid gas concentration wherein accounts for 30% of cumulative volume.
The object of the invention is the problem solving hydrogen purification in mixed gas, adopts a kind of device of membrane sepn hydrogen that adopts to be separated from mixed gas by hydrogen.
Summary of the invention
The object of the invention is to overcome in prior art not enough, provide a kind of Hydrogen Separation equipment, according to a kind of device adopting membrane sepn hydrogen of the present invention, user can isolate high-purity hydrogen and have containing good hydrogen production efficiency from pending gas.For achieving the above object, present invention employs following technical scheme:
A kind of device adopting membrane sepn hydrogen, described hydrogen separation device comprises tubulose Hydrogen Separation film, shell, insert, mixed gas inlet pipe, gas outlet pipe after filter, hydrogen discharge pipe, described outer casing bottom is provided with mixed gas inlet pipe and the rear gas outlet pipe of filter, described mixed gas inlet pipe directly extends to enclosure, described cover top portion is provided with hydrogen discharge pipe, described enclosure is provided with Hydrogen Separation film, described Hydrogen Separation film upper end and shrouding, lower end base plate is tightly connected, between described Hydrogen Separation film and shell, spacing is 10mm-20mm, described Hydrogen Separation film adopts copper palldium alloy to be made, gas outlet duct after filtering is provided with between described base plate and mixed gas inlet pipe, after described filter, gas outlet duct is through with the rear gas outlet pipe of filter.
Preferably, described Hydrogen Separation film thickness is 3 μm.
Preferably, described insert, shell, base plate and shrouding all adopt Inconel(nickel alloys) to make.
The present invention has following advantage: according to a kind of device adopting membrane sepn hydrogen of the present invention, and user can isolate high-purity hydrogen and have containing good hydrogen production efficiency from pending gas.
Accompanying drawing explanation
Fig. 1 is the structural representation of this hydrogen separation device.
Wherein, 1, Hydrogen Separation film; 1a, Hydrogen Separation film internal surface; 1b, Hydrogen Separation film outer surface; 2, shrouding; 3, base plate; 4, hydrogen discharge pipe; 5, shell; 6, mixed-gas channel; 7, gas outlet duct after filter; 8, insert; 8a, insert inwall; 8b, insert outer wall; 8c, insert roof; 8d, insert diapire; 8e, through hole; 9, gas outlet pipe after filter; 10, mixed gas inlet pipe.
Embodiment
With the drawings and specific embodiments, the present invention is further detailed explanation below.
A kind of device adopting membrane sepn hydrogen shown in Fig. 1, described hydrogen separation device comprises tubulose Hydrogen Separation film 1, shell 5, insert 8, mixed gas inlet pipe 10, gas outlet pipe 9 after filter, hydrogen discharge pipe 4, mixed gas inlet pipe 10 and the rear gas outlet pipe 9 of filter are installed bottom described shell 5, it is inner that described mixed gas inlet pipe 10 directly extends to shell 5, described shell 5 top is provided with hydrogen discharge pipe 4, described shell 5 inside is provided with Hydrogen Separation film 1, described Hydrogen Separation film 1 upper end and shrouding 2, lower end base plate 3 is tightly connected, between described Hydrogen Separation film and shell, spacing is 10mm-20mm, described Hydrogen Separation film 1 adopts copper palldium alloy to be made, gas outlet duct 7 after filtering is provided with between described base plate 3 and mixed gas inlet pipe 10, after described filter, gas outlet duct 7 is through with the rear gas outlet pipe 9 of filter.
Preferably, described Hydrogen Separation film 1 thickness is 3 μm.
Preferably, described insert 8, shell 5, base plate 3 and shrouding 2 all adopt Inconel(nickel alloys) to make.
Hydrogen Separation film 1 has the performance of selectivity through hydrogen molecule.This Hydrogen Separation film can selective permeability be because the hydrogen molecule of the internal surface 1a of Hydrogen Separation film arrives at 2000 DEG C
Hydrogen atom has been dispersed at the temperature of 6000 DEG C, hydrogen atom is subject to the motivating force produced at Hydrogen Separation film outer surface 1b due to Hydrogen Separation film 1 surfaces externally and internally pressure difference when moving to Hydrogen Separation film outer surface 1b, hydrogen atom and other hydrogen atoms are tied at the outside surface 1b of Hydrogen Separation film 1 outside surface being incorporated in Hydrogen Separation film and generated hydrogen.
In shell 5, Hydrogen Separation film 1 is dense film, and makes pending mixed gas isolate hydrogen by described film.
During use, mixed gas is entered by mixed gas inlet pipe 10, mixed gas is in Hydrogen Separation film 1 internal flow, because hydrogen at high temperature forms hydrogen atom, and between Hydrogen Separation film surfaces externally and internally, have pressure difference to impel hydrogen to enter in the cavity between shell and Hydrogen Separation film by Hydrogen Separation film, due to the selectivity of Hydrogen Separation film, gas outlet duct after causing other gas to enter into filter through through hole along passage, discharged by gas outlet pipe after filter, the hydrogen after filtering then is discharged by hydrogen discharge pipe again.
Claims (3)
1. one kind adopts the device of membrane sepn hydrogen, it is characterized in that: described hydrogen separation device comprises tubulose Hydrogen Separation film, shell, insert, mixed gas inlet pipe, gas outlet pipe after filter, hydrogen discharge pipe, described outer casing bottom is provided with mixed gas inlet pipe and the rear gas outlet pipe of filter, described mixed gas inlet pipe directly extends to enclosure, described cover top portion is provided with hydrogen discharge pipe, described enclosure is provided with Hydrogen Separation film, described Hydrogen Separation film upper end and shrouding, lower end base plate is tightly connected, between described Hydrogen Separation film and shell, spacing is 10mm-20mm, described Hydrogen Separation film adopts copper palldium alloy to be made, gas outlet duct after filtering is provided with between described base plate and mixed gas inlet pipe, after described filter, gas outlet duct is through with the rear gas outlet pipe of filter.
2. a kind of device adopting membrane sepn hydrogen according to claim 1, is characterized in that, described Hydrogen Separation film thickness is 3 μm.
3. a kind of device adopting membrane sepn hydrogen according to claim 1, is characterized in that, described insert, shell, base plate and shrouding all adopt Inconel(nickel alloys) to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512450.3A CN105110293A (en) | 2015-08-20 | 2015-08-20 | Hydrogen gas membrane separation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512450.3A CN105110293A (en) | 2015-08-20 | 2015-08-20 | Hydrogen gas membrane separation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105110293A true CN105110293A (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510512450.3A Pending CN105110293A (en) | 2015-08-20 | 2015-08-20 | Hydrogen gas membrane separation apparatus |
Country Status (1)
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| CN (1) | CN105110293A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004149332A (en) * | 2002-10-29 | 2004-05-27 | Tokyo Gas Co Ltd | Hydrogen production system |
| CN101642684A (en) * | 2008-08-07 | 2010-02-10 | 大连华海制氢设备有限公司 | Multi-channel metal palladium or palladium alloy composite membrane hydrogen separator |
-
2015
- 2015-08-20 CN CN201510512450.3A patent/CN105110293A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004149332A (en) * | 2002-10-29 | 2004-05-27 | Tokyo Gas Co Ltd | Hydrogen production system |
| CN101642684A (en) * | 2008-08-07 | 2010-02-10 | 大连华海制氢设备有限公司 | Multi-channel metal palladium or palladium alloy composite membrane hydrogen separator |
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Application publication date: 20151202 |
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