CN103398378A - Spontaneous combustion type hydrogen-catalysis combustor - Google Patents
Spontaneous combustion type hydrogen-catalysis combustor Download PDFInfo
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- CN103398378A CN103398378A CN2013103307229A CN201310330722A CN103398378A CN 103398378 A CN103398378 A CN 103398378A CN 2013103307229 A CN2013103307229 A CN 2013103307229A CN 201310330722 A CN201310330722 A CN 201310330722A CN 103398378 A CN103398378 A CN 103398378A
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Abstract
The invention relates to a spontaneous combustion type hydrogen catalysis combustor, and belongs to the technical field of hydrogen catalysis combustion. The spontaneous combustion type hydrogen catalysis combustor is characterized in that a gas nozzle is installed inside the spontaneous combustion type hydrogen-catalysis combustor, the spontaneous combustion type hydrogen-catalysis combustor is of a double layer structure, the first layer is a low temperature catalysis combustion layer, the second layer is a high temperature catalysis combustion layer, the low temperature catalysis combustion layer is arranged at the front end of the high temperature catalysis combustion layer, and a partition plate is arranged between the low temperature catalysis combustion layer and the high temperature catalysis combustion layer. The spontaneous combustion type hydrogen-catalysis combustor has the advantages of being simple in structure, good in safety, convenient to use, free of external heating for ignition, high in catalytic combustion efficiency, and low in emission, thereby being particularly suitable for being used for heating family houses and work places.
Description
Technical field
The invention belongs to hydrogen catalytic combustion technology field, particularly relate to a kind of self-ignition type hydrogen catalysis burner.
Background technology
At present, hydrogen is a kind of energy carrier, and it both can directly burn and produce the heat supply of heat for house, also can pass through fuel cell (FC) or hydrogen internal combustion engine (ICEs) generating with for residential lighting or driving automobile etc.The process of utilizing of Hydrogen Energy does not produce greenhouse gases, is a kind of clean energy, nor has the problem of resource exhaustion, therefore is considered to solve a kind of desirable solution of the resources and environment pressure that faces in present socio-economic development process.
Utilizing the burning of hydrogen to obtain heat energy is a kind of important channel that Hydrogen Energy is utilized process.The burning of hydrogen is divided into flaming combustion and catalytic flameless burning.Flaming combustion is because ignition temperature is high, easily produces a large amount of NOx dischargings, and hydrogen air fuel easily produces tempering, brings serious safety issue.The flameless catalytic combustion of hydrogen, can realize (≤600 ℃) burning under low temperature, can not produce the NOx discharging, and by controlling the fuel air ratio (H of hydrogen
2≤ 4%, lower than the blast of hydrogen limit) security that can effectively improve combustion of hydrogen, therefore be expected to for the field, commercial market.The catalyst that is applied at present the hydrogen catalytic combustion is mainly noble metal catalyst, as palladium, and platinum and ruthenium etc., these noble metal catalysts are expensive, and large-scale application is very uneconomical.Although non-noble metal combustion catalyst has a lot, is mainly the catalytic combustion for natural gas methane, and exist non-noble metal combustion catalyst burning origin temp high, need the outside technical problems such as igniter.
Summary of the invention
The present invention provides a kind of self-ignition type hydrogen catalysis burner for solving the technical problem that exists in known technology.
The purpose of this invention is to provide and a kind ofly have simple in structurely, security is good, and is easy to use, and without the external heat igniting, catalytic combustion efficiency is high, discharges the self-ignition type hydrogen catalysis burner of the characteristics such as low.
The invention provides the hydrogen catalysis burner of a kind of double-layer catalyst mechanism, the low-temperature catalytic burning layer is for catalytic ignition, and the high temperature catalytic combustion layer is for the catalytic combustion of hydrogen, thereby greatly reduces the load capacity of noble metal in catalyst.
The technical scheme that self-ignition type hydrogen catalysis burner of the present invention is taked is:
A kind of self-ignition type hydrogen catalysis burner, be characterized in: in self-ignition type hydrogen catalysis burner, gas nozzle is housed, self-ignition type hydrogen catalysis burner is double-decker, ground floor is the low-temperature catalytic burning layer, the second layer is the high temperature catalytic combustion layer, the low-temperature catalytic burning layer is arranged on high temperature catalytic combustion layer front end, in the middle of low-temperature catalytic burning layer and high temperature catalytic combustion layer, is provided with dividing plate.
The present invention's combustion type in vain hydrogen catalysis burner can also be taked following technical scheme:
Described self-ignition type hydrogen catalysis burner is characterized in: the catalyst of low-temperature catalytic burning layer is that one or more of Pd, Pt or Ru are compound.
Described self-ignition type hydrogen catalysis burner is characterized in: the catalyst loadings of low-temperature catalytic burning layer is the 0.2-2% of carrier quality.
Described self-ignition type hydrogen catalysis burner is characterized in: the catalyst of high temperature catalytic combustion layer is Ag
2O, Co
3O
4, MnO
2, NiO, CuO one or more are compound.
Described self-ignition type hydrogen catalysis burner is characterized in: the catalyst loadings of high temperature catalytic combustion layer is the 5-20% of carrier quality.
Described self-ignition type hydrogen catalysis burner is characterized in: catalyst carrier is glass mat, nickel foam, graphite powder or A1
2O
3Powder.
Described self-ignition type hydrogen catalysis burner is characterized in: self-ignition type hydrogen catalysis burner is provided with hydrogen and air pre-mixing device and drier, and hydrogen is connected the hydrogen catalysis burner with the air pre-mixing device through drier.
Described self-ignition type hydrogen catalysis burner, be characterized in: drier is equipped with drier, and drier is porous molecular screen or silica gel.
Advantage and the good effect of tool of the present invention are:
Self-ignition type hydrogen catalysis burner is owing to having taked the brand-new technical scheme of the present invention, and compared with prior art, the present invention has simple in structure, and security is good, and is easy to use, and without the external heat igniting, catalytic combustion efficiency is high, discharges the advantages such as low; The heating that is particularly suitable for home dwelling and office space is used.
The accompanying drawing explanation
Fig. 1 is self-ignition type hydrogen catalysis burner structure schematic diagram of the present invention.
In figure, 1-hydrogen/air premixed device; The 2-drier; The 3-nozzle; 4-low-temperature burning Catalytic Layer; 5-high-temp combustion Catalytic Layer; The 6-catalytic burner; 7-H
2Entrance, the 8-air intake.
The specific embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
With reference to accompanying drawing 1.
A kind of self-ignition type hydrogen catalysis burner, be provided with hydrogen/air premixed device 1 and drier 2, and drier 2 is equipped with drier, and drier is porous molecular screen.Hydrogen is connected hydrogen catalysis burner 6 with air pre-mixing device 2 through drier 3.In self-ignition type hydrogen catalysis burner 6, gas nozzle 3 is housed, self-ignition type hydrogen catalysis burner 6 is double-decker, ground floor is low-temperature catalytic burning layer 4, the second layer is high temperature catalytic combustion layer 5, low-temperature catalytic burning layer 4 is arranged on high temperature catalytic combustion layer 5 front end, in the middle of low-temperature catalytic burning layer 4 and high temperature catalytic combustion layer 5, is provided with dividing plate.
The catalyst of low-temperature catalytic burning layer 4 is that Pd and two kinds of Pt are compound.Catalyst carrier is glass mat.The catalyst loadings of low-temperature catalytic burning layer 4 is 1% of carrier quality.The catalyst of high temperature catalytic combustion layer 5 is Ag
2O, Co
3O
4Two kinds compound.Catalyst carrier is glass mat.The high-temperature catalytic combustion
The catalyst loadings of burning layer 5 is 8% of carrier quality.
A kind of self-ignition type hydrogen catalysis burner, be provided with hydrogen and air pre-mixing device and drier, and drier is equipped with drier, and drier is porous molecular screen or silica gel.Hydrogen is connected the hydrogen catalysis burner with the air pre-mixing device through drier.In self-ignition type hydrogen catalysis burner, gas nozzle is housed, self-ignition type hydrogen catalysis burner is double-decker, ground floor is the low-temperature catalytic burning layer, the second layer is the high temperature catalytic combustion layer, the low-temperature catalytic burning layer is arranged on high temperature catalytic combustion layer front end, in the middle of low-temperature catalytic burning layer and high temperature catalytic combustion layer, is provided with dividing plate.
The catalyst of low-temperature catalytic burning layer is that Pd, Pt and tri-kinds of Ru are compound.Catalyst carrier is glass mat, nickel foam and graphite powder.The catalyst loadings of low-temperature catalytic burning layer is 1.2% of carrier quality.The catalyst of high temperature catalytic combustion layer is Ag
2O, Co
3O
5, MnO
2Three kinds compound.Catalyst carrier is glass mat, nickel foam and graphite powder.The catalyst loadings of high temperature catalytic combustion layer is 15% of carrier quality.
A kind of self-ignition type hydrogen catalysis burner, be provided with hydrogen and air pre-mixing device and drier, and drier is equipped with drier, and drier is porous molecular screen or silica gel.Hydrogen is connected the hydrogen catalysis burner with the air pre-mixing device through drier.In white combustion type hydrogen catalysis burner, gas nozzle is housed, self-ignition type hydrogen catalysis burner is double-decker, ground floor is the low-temperature catalytic burning layer, the second layer is the high temperature catalytic combustion layer, the low-temperature catalytic burning layer is arranged on high temperature catalytic combustion layer front end, in the middle of low-temperature catalytic burning layer and high temperature catalytic combustion layer, is provided with dividing plate.
The catalyst of low-temperature catalytic burning layer is that Pd, Pt and tri-kinds of Ru are compound.Catalyst carrier is glass mat, nickel foam, graphite powder or A1
2O
3Powder.The catalyst loadings of low-temperature catalytic burning layer is carrier
1.6% of quality.The catalyst of high temperature catalytic combustion layer is Ag
2O, Co
3O
4, MnO
2, NiO, CuO compound.Catalyst carrier is glass mat, nickel foam, graphite powder or Al
2O
3Powder.The catalyst loadings of high temperature catalytic combustion layer is 18% of carrier quality.
The present embodiment has described the present invention and has simple in structurely, and security is good, and is easy to use, and without the external heat igniting, catalytic combustion efficiency is high, discharges the advantages such as low; The heating that is particularly suitable for home dwelling and office space is used.
Claims (8)
1. self-ignition type hydrogen catalysis burner, it is characterized in that: in self-ignition type hydrogen catalysis burner, gas nozzle is housed, self-ignition type hydrogen catalysis burner is double-decker, ground floor is the low-temperature catalytic burning layer, the second layer is the high temperature catalytic combustion layer, the low-temperature catalytic burning layer is arranged on high temperature catalytic combustion layer front end, in the middle of low-temperature catalytic burning layer and high temperature catalytic combustion layer, is provided with dividing plate.
2. self-ignition type hydrogen catalysis burner according to claim 1 is characterized in that: the catalyst of low-temperature catalytic burning layer is that one or more of Pd, Pt or Ru are compound.
3. self-ignition type hydrogen catalysis burner according to claim 2, it is characterized in that: the catalyst loadings of low-temperature catalytic burning layer is the 0.2-2% of carrier quality.
4. self-ignition type hydrogen catalysis burner according to claim 1, it is characterized in that: the catalyst of high temperature catalytic combustion layer is Ag
2O, Co
3O
4, MnO
2, NiO, CuO one or more are compound.
5. self-ignition type hydrogen catalysis burner according to claim 4, it is characterized in that: the catalyst loadings of high temperature catalytic combustion layer is the 5-20% of carrier quality.
6. according to claim 2,3,4 or 5 described self-ignition type hydrogen catalysis burners, it is characterized in that: catalyst carrier is glass mat, nickel foam, graphite powder or A1
2O
3Powder.
7. high temperature catalytic combustion layer according to claim 1, it is characterized in that: self-ignition type hydrogen catalysis burner is provided with hydrogen and air pre-mixing device and drier, and hydrogen is connected the hydrogen catalysis burner with the air pre-mixing device through drier.
8. high temperature catalytic combustion layer according to claim 7, it is characterized in that: drier is equipped with drier, and drier is porous molecular screen or silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103307229A CN103398378A (en) | 2013-07-26 | 2013-07-26 | Spontaneous combustion type hydrogen-catalysis combustor |
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|---|---|---|---|
| CN2013103307229A CN103398378A (en) | 2013-07-26 | 2013-07-26 | Spontaneous combustion type hydrogen-catalysis combustor |
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Family
ID=49562057
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953929A (en) * | 2014-05-15 | 2014-07-30 | 中国计量学院 | Hydrogen catalytic burner |
| CN111322613A (en) * | 2018-12-14 | 2020-06-23 | 中国科学院大连化学物理研究所 | Burner capable of being started at low temperature and starting method thereof |
| CN113091029A (en) * | 2021-03-15 | 2021-07-09 | 苏州工业园区蒙纳士科学技术研究院 | Method for producing high-quality water vapor by hydrogen fuel flameless catalytic combustion membrane reaction |
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| US20030031971A1 (en) * | 2000-08-09 | 2003-02-13 | Tamotsu Sugimoto | Hydrogen combustion heater |
| KR20050004733A (en) * | 2004-12-14 | 2005-01-12 | (주)엔티시 | Catalysis burner using hydrogen gas fuel |
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| CN201666574U (en) * | 2009-11-27 | 2010-12-08 | 清华大学 | Reverse flow heat-exchanging catalytic combustor without ignition device |
| CN102192046A (en) * | 2011-04-22 | 2011-09-21 | 北京航空航天大学 | Thruster of hydrogen-oxygen catalytic ignition mini rocket |
| CN202555151U (en) * | 2012-04-27 | 2012-11-28 | 南通扬子催化剂有限公司 | Front gas drying filter for hydrogen compressor |
-
2013
- 2013-07-26 CN CN2013103307229A patent/CN103398378A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998012476A1 (en) * | 1996-09-17 | 1998-03-26 | Gastec N.V. | Catalytic radiant heater |
| US20030031971A1 (en) * | 2000-08-09 | 2003-02-13 | Tamotsu Sugimoto | Hydrogen combustion heater |
| CN1732359A (en) * | 2002-12-25 | 2006-02-08 | 康奈可关精株式会社 | The combustion of hydrogen equipment that has the hydrogen pipe |
| KR20050004733A (en) * | 2004-12-14 | 2005-01-12 | (주)엔티시 | Catalysis burner using hydrogen gas fuel |
| CN101491779A (en) * | 2008-01-23 | 2009-07-29 | 中国石油化工股份有限公司 | Catalyst for hydrogen selective catalyst combustion reaction with hydrothermal stability |
| CN201666574U (en) * | 2009-11-27 | 2010-12-08 | 清华大学 | Reverse flow heat-exchanging catalytic combustor without ignition device |
| CN102192046A (en) * | 2011-04-22 | 2011-09-21 | 北京航空航天大学 | Thruster of hydrogen-oxygen catalytic ignition mini rocket |
| CN202555151U (en) * | 2012-04-27 | 2012-11-28 | 南通扬子催化剂有限公司 | Front gas drying filter for hydrogen compressor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953929A (en) * | 2014-05-15 | 2014-07-30 | 中国计量学院 | Hydrogen catalytic burner |
| CN111322613A (en) * | 2018-12-14 | 2020-06-23 | 中国科学院大连化学物理研究所 | Burner capable of being started at low temperature and starting method thereof |
| CN111322613B (en) * | 2018-12-14 | 2021-06-25 | 中国科学院大连化学物理研究所 | Burner capable of being started at low temperature and starting method thereof |
| CN113091029A (en) * | 2021-03-15 | 2021-07-09 | 苏州工业园区蒙纳士科学技术研究院 | Method for producing high-quality water vapor by hydrogen fuel flameless catalytic combustion membrane reaction |
| CN113091029B (en) * | 2021-03-15 | 2023-08-04 | 苏州工业园区蒙纳士科学技术研究院 | Method for producing high-quality water vapor by hydrogen fuel flameless catalytic combustion membrane reaction |
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Application publication date: 20131120 |