EP2912374A1 - Verfahren zum erzeugen von wasserdampf - Google Patents
Verfahren zum erzeugen von wasserdampfInfo
- Publication number
- EP2912374A1 EP2912374A1 EP13824103.9A EP13824103A EP2912374A1 EP 2912374 A1 EP2912374 A1 EP 2912374A1 EP 13824103 A EP13824103 A EP 13824103A EP 2912374 A1 EP2912374 A1 EP 2912374A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- combustion chamber
- water
- oxygen
- water vapor
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000002485 combustion reaction Methods 0.000 claims abstract description 122
- 239000001301 oxygen Substances 0.000 claims abstract description 69
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 69
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000001257 hydrogen Substances 0.000 claims abstract description 40
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 40
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims description 29
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- PIYVNGWKHNMMAU-UHFFFAOYSA-N [O].O Chemical compound [O].O PIYVNGWKHNMMAU-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000008642 heat stress Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/003—Methods of steam generation characterised by form of heating method using combustion of hydrogen with oxygen
Definitions
- the invention relates to a method for generating water vapor, are burned in the hydrogen and oxygen with the addition of liquid water in a combustion chamber. Furthermore, the invention relates to a device for carrying out this method and a submarine with such a device.
- Water vapor of the highest purity can only be produced with a complex after-treatment of the product gas, for example in the form of a catalytic afterburning. Furthermore, with the high adiabatic flame temperature during the combustion of hydrogen and oxygen high demands on the materials used in the combustion chamber or components connected. Thus, the outer wall of the combustion chamber in a complex manner to protect against the prevailing in the combustion chamber high temperature. A direct arrangement of ignition devices and measuring sensors in the combustion chamber is not possible due to the high temperature in the combustion chamber in the rule. The introduction of the water into the combustion chamber proves to be problematic in the previously known approach. Thus, the water introduced into the combustion chamber can lead to chain termination reactions in the oxidation process taking place in the combustion chamber due to a concomitant reduction in the flame temperature.
- the object of the invention is to provide a method for producing superheated steam of highest purity by combustion of hydrogen and oxygen, in which the described problems of the previously known methods of this type do not occur. It is another object of the invention to provide an apparatus for performing this method.
- the basic idea of the invention is to introduce liquid water into the combustion chamber with the oxygen in a common volume flow. Contrary to the usual practice, the liquid water does not become in the post-combustion zone of the hydrogen-oxygen flame, but in the preheating and combustion zone the combustion chamber introduced together with the oxygen. Due to this introduction of the water into the combustion chamber, the adiabatic flame temperature in the combustion chamber is reduced locally compared with the previously customary combustion process management. Thus, the reaction temperature in the combustion chamber in the inventive method about 950 to 1 .050 ° C. Advantageously, takes place at this reaction temperature no dissociation of the water vapor generated during combustion instead, so that no free hydrogen and oxygen molecules are formed in the inventive method and Thus, water vapor of the highest purity can be produced.
- the outer wall of the combustion chamber and arranged in the combustion chamber components or component groups are exposed in the inventive method a significantly lower thermal load.
- the reaction temperature is above the temperature at which it comes to chain termination reactions of a hydrogen-oxygen mixture. In this respect, a trouble-free process is guaranteed in this respect as well.
- the temperature control is typically carried out via the amount of the water vapor supplied to the liquid water, which also evaporates due to the temperature of the already existing water vapor.
- the steam has a lower temperature than the water vapor present before the addition of the additional liquid water.
- it is possible in this way to realize steam temperatures which lie in a range below 200 ° C.
- the reaction temperatures prevailing in the combustion chamber in the method according to the invention are comparatively low, it is preferably provided to cool the combustion chamber on its outer side so as to dissipate the heat absorbed by the outer wall of the combustion chamber.
- the water to be evaporated is particularly advantageously used beforehand for cooling the outer wall of the combustion chamber. Ie.
- the water, before it is introduced together with the oxygen into the combustion chamber or the output side of the combustion chamber is added to the water vapor generated in the combustion chamber, advantageously already preheated.
- the water is homogeneously mixed with the oxygen introduced into the combustion chamber.
- the water supplied to the combustion chamber is atomized before being introduced into the combustion chamber by means of the oxygen stream.
- the resulting oxygen-water mist is then introduced into the combustion chamber.
- the atomization of the water causes an improvement in the heat exchange between the hydrogen-oxygen flame and the water and, consequently, an acceleration of the evaporation process of this water.
- the inventive device for generating water vapor has a combustion chamber with a hydrogen inlet and an oxygen inlet.
- the hydrogen inlet and the oxygen inlet preferably open at a distance from one another into the combustion chamber.
- the oxygen inlet is connected on the inlet side via a closable supply line to a water source.
- a steam outlet is arranged on the combustion chamber.
- this steam outlet opens on the output side of the combustion chamber into a mixing chamber, which also has a water inlet for liquid water.
- a mixing chamber which also has a water inlet for liquid water.
- downstream of the combustion chamber there is arranged a space into which the steam can directly flow from the combustion chamber, where the water vapor is then mixed with further water vapor formed by evaporating liquid water, which is conducted via the water inlet into the mixing chamber.
- a control can be provided with which the amount of water introduced into the mixing chamber via the water inlet can be controlled, as a result of which the temperature of the water vapor generated in the device according to the invention can then also be controlled.
- the hydrogen inlet is arranged on the combustion chamber concentrically around the oxygen inlet.
- the hydrogen inlet may be annular or, as is preferably provided, may be formed by a plurality of hydrogen inlet openings arranged annularly at a radial distance from the oxygen inlet therearound. This radial distance of the oxygen inlet from the hydrogen inlet, and preferably also a distance in the outflow direction of the oxygen inlet between the oxygen inlet and the hydrogen inlet advantageously prevent heat transfer from the hydrogen-oxygen flame to the oxygen inlet, so that the oxygen inlet is protected from excessive thermal stress ,
- an inlet for introducing the water vapor coming from the combustion chamber and a further inlet can be provided at the mixing chamber be designed to initiate the additional liquid water.
- the steam outlet of the combustion chamber also forms the water inlet of the mixing chamber.
- the mixing chamber preferably has only one flow inlet, which is formed by the steam outlet of the combustion chamber, wherein in the flow path through this steam outlet, a feed line coming from the water source opens, via which liquid water flows into the steam outlet and from there into the mixing chamber can.
- the steam outlet is formed such that the water supplied to it is atomized in it.
- it is therefore at the steam outlet to a nozzle, wherein it is preferably provided that the steam outlet is also workedrelief as a krifi- see nozzle.
- the use of a krifischen nozzle as a water vapor outlet of the combustion chamber has the advantage that with this a constant Wasserdampfsfrom realize in the mixing chamber Lässf.
- Another advantage of using the krifischen nozzle as a water vapor outlet of the combustion chamber or as a water vapor inlet of the mixing chamber isf to see that the combustion chamber is thereby decoupled from pressure fluctuations, which may optionally nachgeschaltefen devices or systems in the device according to the invention.
- the mixing chamber is preferably provided with one filled porous material.
- This porous material may advantageously be a Drahtgesfrick, due to the formed therein mesh forms a comparatively large porous and thus gas-permeable surface.
- At least one cooling water channel flow-connected to a water source is expediently formed on the outer wall of the combustion chamber.
- this cooling water channel is connected downstream with the oxygen inlet of the combustion chamber and / or with the water vapor outlet of the combustion chamber.
- the cooling water channel in this embodiment forms part of the supply line from the water source to the oxygen inlet of the combustion chamber and a part of the supply line from the water source to the water vapor outlet of the combustion chamber or the water vapor inlet of the mixing chamber.
- thermal insulation materials in particular thermal insulation panels, can be arranged in the combustion chamber.
- the heat absorbed by these thermal insulation panels can then be removed from the combustion chamber via the at least one cooling water channel arranged on the outer wall of the combustion chamber.
- the invention also relates to a submarine, which has a device for generating water vapor with the features described above.
- the invention is explained in more detail with reference to an embodiment shown in the drawing.
- schematically very greatly simplified a device for generating water vapor in a longitudinal section an embodiment of the device according to Fig. 1, a detail A of FIG. 1, a detail B of FIG. 1 in a half-section and
- Fig. 5 is a schematic representation of the sequence of a method for
- the device for generating steam shown in FIG. 1 and in FIG. 2 has a combustion chamber 2 in which gaseous hydrogen H 2 and gaseous oxygen O 2 are burned, water vapor h b O y being formed as product gas.
- the combustion chamber 2 is formed by a substantially cylindrical housing 4, whose open end faces are closed by end plates 6 and 8.
- an oxygen inlet and a hydrogen inlet are formed (Fig. 3).
- the oxygen inlet is formed by a nozzle 10, which is centrally located on the end plate 6.
- the hydrogen inlet into the combustion chamber 2 form twelve hydrogen inlet openings 12 which are at a radial distance from the nozzle 10 around this around are formed.
- a conical recess 14 is formed on the end plate 6.
- the nozzle 10 opens at the pointed end of this depression 14. Via the nozzle 10 as the oxygen inlet, in addition to the oxygen 02 (g), liquid water hbOifij is also introduced into the combustion chamber 2.
- connection 16 for connecting a supply line coming from an oxygen source and a connection 18 for connecting a supply line coming from a water source are formed on the inlet side of the nozzle 10.
- the oxygen source the water source and the supply lines has been omitted for reasons of clarity.
- the housing 4 and the end plate 6 are clad on their inner side facing the combustion chamber 2 with thermal insulation panels 20.
- an igniter 22 of an electric ignition device is guided into the interior of the combustion chamber 2, which serves there for generating a hydrogen-oxygen flame.
- a water vapor outlet 24 is arranged centrally.
- This steam outlet 24 is formed by a critical nozzle.
- a plurality of relief bores 26 are arranged on the end plate 8.
- the steam inlet 24 opens into a mixing chamber 28.
- This mixing chamber 28 is formed by a substantially cylindrical housing 30, which is flanged to the end plate 8 on the side remote from the combustion chamber 2.
- An outlet 32 is formed on the housing 30 at an end remote from the end plate 8.
- the mixing chamber 28 In the mixing chamber 28 are in the flow path from the hydrogen outlet 24, which forms a hydrogen inlet into the mixing chamber 28, and the outlet 32 in a row several segments 34 of a porous material, such. B. wire knit arranged.
- a helically around the circumference of the housing 4 spiraling groove 36 is formed.
- the groove 36 serves to receive a ühlwasserka- channel in the form of a line 38.
- the line 38 is connected to a water source, not shown in the drawing.
- the combustion chamber 2 is supplied with hydrogen H2 (g) and oxygen O2 (g) spatially separated from one another in a stoichiometric ratio.
- the introduction of the hydrogen H2 (g) takes place via the hydrogen inlet openings 12, while the oxygen 02 (g) is introduced into the combustion chamber 2 via the nozzle 10.
- the hydrogen-oxygen mixture is ignited by means of the igniter 22, whereupon it burns to form a water-oxygen flame and pure water vapor ⁇ 2 ⁇ ( 9 ) is produced as the product gas.
- the combustion chamber 2 is cooled by means of water flowing through the pipe 38 hbOifi). A part of this water hbOifi) is supplied to the oxygen flow in the nozzle 10, from where it enters the combustion chamber 2 atomized with the oxygen 02 (g). There the water evaporates hbOifij to additional water vapor h ⁇ O.
- the oxygen 02 (g) in the combustion chamber 2 water hbOifij the Matterstem temperature in the combustion chamber 2 is only 950 to 1 .050 ° C.
- the liquid water hbO ⁇ evaporates to water vapor pf H20 (gj), but the water vapor hbO is deprived of heat due to its mixing with the liquid water hbOifij the Wasserdam pfs hbO in response to the water vapor hbO amount of liquid water supplied hbOifij in the mixing chamber 28 in a wide range.
- the generated water vapor leaves the mixing chamber 28 through the outlet 32, where it is available for a wide variety of applications. Previously, it is homogenized in the mixing chamber 28 with respect to its Tem perature by flowing through the located in the mixing chamber 28 porous segments 34.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Supply (AREA)
- Aviation & Aerospace Engineering (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210219755 DE102012219755A1 (de) | 2012-10-29 | 2012-10-29 | Verfahren zum Erzeugen von Wasserdampf |
PCT/DE2013/200253 WO2014067519A1 (de) | 2012-10-29 | 2013-10-28 | Verfahren zum erzeugen von wasserdampf |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2912374A1 true EP2912374A1 (de) | 2015-09-02 |
EP2912374B1 EP2912374B1 (de) | 2016-11-30 |
Family
ID=50000728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13824103.9A Active EP2912374B1 (de) | 2012-10-29 | 2013-10-28 | Verfahren zum erzeugen von wasserdampf |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2912374B1 (de) |
KR (1) | KR101962513B1 (de) |
AU (1) | AU2013339866B2 (de) |
DE (1) | DE102012219755A1 (de) |
ES (1) | ES2616479T3 (de) |
WO (1) | WO2014067519A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021111100A1 (en) | 2019-12-04 | 2021-06-10 | Steamology Motion Ltd | Control device for a steam generator |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3202710A1 (de) | 2016-02-08 | 2017-08-09 | Linde Aktiengesellschaft | Verfahren zur chemischen umsetzung eines oder mehrerer kohlenwasserstoffreaktanden |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE168037C (de) * | ||||
US2299849A (en) * | 1940-07-19 | 1942-10-27 | Thomas J Rees | Steam generating plant |
DE977651C (de) * | 1954-12-31 | 1967-12-28 | Siemens Ag | Verfahren zur Erzeugung von ueberhitzem Wasserdampf |
US3983882A (en) * | 1973-08-03 | 1976-10-05 | Billings Energy Research Corporation | Method and apparatus for hydrogen fueled internal combustion engines |
US4167919A (en) * | 1977-11-28 | 1979-09-18 | Billings Energy Corporation | Method and apparatus for hydrogen fueled internal combustion engines |
DE2830896A1 (de) * | 1978-07-13 | 1980-01-24 | Ingo Gierstorfer | Kraftmaschine mit einem motor und einem verdampfer |
US4332219A (en) * | 1980-11-18 | 1982-06-01 | Ernesto Gonzalez | Electrocombustion engine |
DE3512947A1 (de) * | 1985-04-11 | 1986-10-16 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn | Verfahren zur erzeugung von wasserdampf und dampferzeuger zur durchfuehrung dieses verfahrens |
JPS62104038A (ja) * | 1985-07-15 | 1987-05-14 | Dainippon Screen Mfg Co Ltd | 水蒸気含有酸素ガス供給装置 |
AT391740B (de) * | 1985-11-20 | 1990-11-26 | Fuerlinger Rupert | Mit wasserstoff betriebene brennkraftmaschine |
US5234501A (en) * | 1987-09-01 | 1993-08-10 | Tokyo Electron Sagami Limited | Oxidation metod |
US6289666B1 (en) * | 1992-10-27 | 2001-09-18 | Ginter Vast Corporation | High efficiency low pollution hybrid Brayton cycle combustor |
DE10211738B4 (de) * | 2002-03-14 | 2006-06-08 | Infineon Technologies Ag | Verfahren und Anordnung zur Erzeugung einer ultrareinem Mischung aus Wasserdampf und Sauerstoff |
KR20040015644A (ko) * | 2002-08-13 | 2004-02-19 | 주식회사 제이에이치에너지 | 버너용 산소, 수소 및 액체연료 분사 혼합기 |
DE20221983U1 (de) * | 2002-09-17 | 2010-03-04 | Alstom Technology Ltd. | Dampferzeuger zum Erzeugen von Wasserdampf, insbesondere Reinstwasserdampf |
US7128624B1 (en) * | 2005-04-28 | 2006-10-31 | Lockheed Martin Corporation | Rechargeable open cycle underwater propulsion system |
US8522871B2 (en) * | 2009-03-04 | 2013-09-03 | Clean Energy Systems, Inc. | Method of direct steam generation using an oxyfuel combustor |
-
2012
- 2012-10-29 DE DE201210219755 patent/DE102012219755A1/de not_active Ceased
-
2013
- 2013-10-28 ES ES13824103.9T patent/ES2616479T3/es active Active
- 2013-10-28 AU AU2013339866A patent/AU2013339866B2/en active Active
- 2013-10-28 EP EP13824103.9A patent/EP2912374B1/de active Active
- 2013-10-28 KR KR1020157013894A patent/KR101962513B1/ko active IP Right Grant
- 2013-10-28 WO PCT/DE2013/200253 patent/WO2014067519A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2014067519A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021111100A1 (en) | 2019-12-04 | 2021-06-10 | Steamology Motion Ltd | Control device for a steam generator |
Also Published As
Publication number | Publication date |
---|---|
ES2616479T3 (es) | 2017-06-13 |
EP2912374B1 (de) | 2016-11-30 |
WO2014067519A1 (de) | 2014-05-08 |
DE102012219755A1 (de) | 2014-04-30 |
AU2013339866B2 (en) | 2017-05-11 |
KR101962513B1 (ko) | 2019-03-26 |
KR20150076243A (ko) | 2015-07-06 |
AU2013339866A1 (en) | 2015-05-28 |
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