WO2016009385A1 - Apparatus for producing electricity, and related process - Google Patents
Apparatus for producing electricity, and related process Download PDFInfo
- Publication number
- WO2016009385A1 WO2016009385A1 PCT/IB2015/055393 IB2015055393W WO2016009385A1 WO 2016009385 A1 WO2016009385 A1 WO 2016009385A1 IB 2015055393 W IB2015055393 W IB 2015055393W WO 2016009385 A1 WO2016009385 A1 WO 2016009385A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- micro
- water
- combustion
- cell
- holed
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C99/00—Subject-matter not provided for in other groups of this subclass
- F23C99/006—Flameless combustion stabilised within a bed of porous heat-resistant material
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
- F23L7/002—Supplying water
- F23L7/005—Evaporated water; Steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
- F23C2900/9901—Combustion process using hydrogen, hydrogen peroxide water or brown gas as fuel
Definitions
- the present invention relates to the field of the production of energy from non- polluting renewable sources or green sources, and it refers to an apparatus for producing energy starting from molecular hydrogen, oxygen and water, that can be used for both civil use and industrial applications.
- Molecular hydrogen, or dihydrogen is constituted by a molecule of two hydrogen atoms and its formula is H 2 ; incorrectly, it is generally referred to simply as "hydrogen".
- hydrogen In conditions of room temperature and pressure, it appears as a colourless and odourless gas and it may be obtained by various methods, even on a large scale, on industrial scale, for instance by electrolysis of water or by reforming of natural gas or of other hydrocarbons.
- the industrial production of this gas is a process widely used and now acquired, also because its uses are many and widespread since long time, and they range from the production of ammonia to the use as an alternative fuel to hydrocarbons.
- Molecular hydrogen is in fact a gas which combustion is particularly advantageous from the point of view of emissions, which are much less polluting than those emitted by any other type of fuel: the main product of the combustion of molecular hydrogen with oxygen or air as oxidizing is in fact simply water, or better water vapour. For this reason, in recent years there have been numerous attempts to develop systems to produce "clean" energy from the combustion of molecular hydrogen, alone or in mixture with other fuels, for example with methane. These technological systems that exploit molecular hydrogen as an energy source have been developed both for the application to mobile devices in the transport sector is also for application to stationary devices in the production of energy in industrial and domestic.
- Molecular hydrogen is in fact a gas whose combustion is particularly advantageous from the point of view of emissions that are much less polluting than those emitted by any other type of fuel: the main product of the combustion of molecular hydrogen with oxygen or air as combustive agent is in fact simply water, or better water vapour.
- the main product of the combustion of molecular hydrogen with oxygen or air as combustive agent is in fact simply water, or better water vapour.
- molecular hydrogen also has an energy density per unit of volume that is much lower than that of any other fuel which, again, makes it inconvenient its practical use as fuel to produce energy.
- a subject of the present invention is therefore to provide an apparatus and a process for producing electric energy based on the combustion of molecular hydrogen, which is efficient and makes use of a technology having costs relatively low.
- a further subject of the present invention is to provide an apparatus and a process for producing energy that only use as main consumable materials renewable materials, such as molecular hydrogen, oxygen and water, without producing polluting emissions.
- a further subject of the present invention is to provide an apparatus and a process for producing electric energy for civil and industrial uses, which further allows recovering the water vapour produced for generating sanitary water or for the use in heating systems.
- the figure 1 is a front view of a combustion cell comprised in the apparatus of the present invention
- FIG. 2 is an exploded view of the main components of the combustion cell of Figure 1 ;
- FIG 3 shows a block diagram of the process according to the present invention.
- FIG. 1 depicts an apparatus for producing electric energy according to the present invention comprising a combustion cell 1 , for the combustion of molecular hydrogen, typically made of steel.
- the Figures 1 and 2 depict a combustion cell 1 having a hollow body 2 of substantially cylindrical form, but it is meant that different forms of the cell's body, for instance a parallelepiped form with square or rectangular base, are anyway to be considered as comprised in the scope of the present invention.
- the body 2 of the combustion cell 1 is closed by two blind flanges 3, which close the body 2 on opposite sides by means of a suitable connection system, for instance by fixing with a support ring 3', or by another system that is suitable to be used with materials at high pressure.
- the present combustion cell 1 further comprises at least a valve 4 for the supply of molecular oxygen and at least a valve 5 for the supply of water, which allow introducing respectively hydrogen and sprayed water inside the combustion cell, by means of suitable nozzles.
- At least a further valve not represented in the figure, has the function to introduce oxygen in the combustion chamber 1.
- Such supply valves are typically electromechanical valves and are each accompanied, upstream, by a check valve for security against backfiring.
- the water supplied to the combustion cell in the present apparatus may be water taken from a dedicated tank or, preferably, recycle water coming from the combustion cell in the form of water vapour, collected downstream of the cell and deposited in a special collection tank from which it is taken when needed.
- micro-holed element 6 comprised in the present apparatus and made of titanium or of a titanium alloy, intended to be placed inside the body 2 of the combustion cell.
- the present micro-holed element 6 can be made of a core in steel or any other analogous material, completely coated by a surface layer of titanium or of a titanium alloy.
- a body is meant that is provided with through holes of dimensions of the order of millimetres, preferably all having the same dimensions, ranging for instance between 0.5 and 2 mm, and positioned at equal distance between each other, for instance at a distance comprised between 1.5 and 2.5 mm, and preferably at a distance equal to about 2.0 mm.
- the form and dimensions of the micro-holed element according to the invention may be various and depend on the form and dimensions of the combustion cell where the micro-holed element is positioned; it is critical that the micro-holed element 6 is fixed inside the cell in such a position as to be invested by the flow of hydrogen entering parallel to the through holes on its surface, and positioned so that every point of said element is at a distance not exceeding 30 cm from the nozzle of the valve for the supply of hydrogen, preferably at a distance comprised between 5 and 10 cm, and more preferably at a distance comprised between 2 and 5 cm.
- the micro-holed element 6 may be fixed at one of the blind flanges 3 closing the cell.
- Figure 2 it is illustrated a preferred embodiment of the micro-holed element 6, having the form of a plate, which may be fixed to the cell by one or more fixing means, such as two drilled bolts 7, which can allow wires and cables to come out from inside the plate towards the outside of the cell.
- the holes of the micro-holed element have frustoconical shape, all with their major base on the same surface, intended for being hit by the flow of hydrogen.
- the position of the micro-holed element inside the combustion cell must be such that the flow of hydrogen strikes the micro-holed element on the side on which the major bases of the frustoconical holes is exposed.
- the micro-holed element during operation of the combustion apparatus of the present invention, must be heated, for example to be able to assume an operating temperature comprised between about 180°C and about 300°C, and it can be heated to such temperatures thanks to appropriate electrical resistances inside the element itself, supplied from the outside through wires passing in the above mentioned perforated fixing means.
- the present apparatus can comprise only one micro-holed element in the form of a plate and, depending on the dimensions of the plate, one or more nozzles for supplying hydrogen, so that each point of the micro-holed plate is at a distance less than 30 cm, preferably at a distance between 5 and 10 cm, and more preferably at a distance between 2 and 5 cm, from at least one of the nozzles.
- the present combustion apparatus may comprise more micro-holed plates arranged in parallel among each other, so as to achieve the above said conditions for the distance from the nozzles of the valves for supplying hydrogen.
- the micro-holed element can have substantially the same form of the combustion cell, but smaller dimensions so as to form inside the hollow body 2 of the cell a kind of interspace with micro-holed portions, each placed at a distance not exceeding 30 cm from a nozzle of a valve for supplying hydrogen.
- the fixing means 7 of the micro-holed element are anchored one or more piezoelectric ignition elements that, at the request of an external battery to which they are connected, can bring the temperature of the micro-holed element to the desired value in case of breakage or malfunction of the main device for the increase of temperature of the micro-holed element.
- Combustion cells according to the invention suitable for domestic use, having, therefore small size, can for example have a body 2 with dimensions of 6-8 cm of thickness and about 30 cm in height, with about 20 cm in diameter in the case of cells having a cylindrical body and 10-20 cm of base side for cells having a body of parallelepiped shape.
- the dimensions of the micro-holed element of titanium will be determined accordingly so as to provide an element of dimensions suitable for the insertion in a cell of the above mentioned dimensions, for example a suitable micro- holed element is a plate that is about 3 cm thick, about 25 cm tall and about 15 cm in width.
- the number of the supply valves, for supplying molecular hydrogen, oxygen and water is commensurate with the size of the cell of combustion and it will be greater the larger is the cell.
- the valves for supplying hydrogen are for example three in number, and the valves for the supply of water and oxygen are two in number.
- the apparatus according to the present invention further comprises at least a motorized valve for the controlled discharge of steam and, preferably, also one or more safety valves, such as a static safety valve and a dynamic safety valve, for the discharge of the gas inside the cell in emergency situations, such as when the internal pressure of combustion cell exceeds a certain threshold value, or during the maintenance operations of the apparatus.
- At least one pressure sensor 8 and at least one temperature sensor 9 in order to constantly check the parameters of temperature and pressure within the cell during its operation.
- the values of temperature and pressure detected can be read directly on the instrument or, according to a preferred embodiment, the relevant data can be transferred to an external unit able to collect, store and manage such data, for example to a programmable logic controller (or PLC, Programmable Logic Controller) which has also the purpose to control the operation of the apparatus depending on the values of the above said parameters as detected.
- a programmable logic controller or PLC, Programmable Logic Controller
- the above external unit for example a control unit of the PLC type, may also advantageously control the operation of all the various valves present in the apparatus including, for example, the motorized valve for the controlled release of water vapour or the valve for supplying hydrogen or again the dynamic safety valve, on the basis of the pressure values required by the plant and / or pre-set in the program that the PLC unit is running, and the values detected.
- the PLC unit again on the basis of the data pre-set in the program that is running, may also control the supplying of the hydrogen flow to supply it at predetermined time intervals.
- the process for producing electric energy according to the invention comprises the following steps:
- combustion of hydrogen with increase of temperature inside said combustion cell (1 ) up to a value comprised between about 650°C and about 1000°C; and preferably to a temperature comprised between about 650°C and about 700°C;
- the water vapour leaving the turbine is passed through a chiller to bring its temperature to values lower than 90°C.
- the water vapour produced is not dispersed in the form of vapour, but water is recovered that can be used for re-entry into the combustion cell for a subsequent cycle.
- the water recovered typically at a temperature of 70-80°C, can be moreover used for heating radiant groups or radiators or as sanitary water; in this latter case, a heat exchanger fed by a flow of external water, which does not interfere on the cycle of production of energy in the combustion cell, is introduced into the chiller, thus allowing the passage of water at a higher temperature, which can then be taken for use as sanitary water.
- the combustion of molecular hydrogen occurs thanks to the presence in the cell of the micro-holed element 6, and more in particular to the fact that it is previously heated and to the fact that the hydrogen sprayed in contact with the micro-holed element generates a friction that, together with the high temperature and the presence of oxygen acting as combustive agent, causes the hydrogen combustion and the rise of temperature inside the cell.
- This phenomenon is particularly effective when the micro- holed element has holes of frustoconical shape, as described above, being in this case greater the friction generated by the flow of hydrogen entering into the holes.
- the rise of temperature inside the cell is preferably controlled so that the temperature does not exceed about 700°C; the inside of the combustion cell can be anyway coated by a ceramic layer having high thermal resistance or by an analogous material having for instance a thickness comprised between 10 and 20 mm approximately.
- the combustion cell is fed with water, thus being charged with water vapour having high pressure, typically about 40-50 atm; the discharge of the so-formed vapour occur under controlled conditions, thanks to a motorized valve, which creates a flow of vapour with a pressure of about 2-6 atm towards the turbine.
- the combustion cell emptied of the vapour, typically drops to values of temperature around 550°C, then it is fed again with molecular hydrogen and oxygen that, thanks to the friction with the heated micro-holed element, undergoes a new combustion and raises the temperature in the cell, fed again with water that forms water vapour, which is led to the turbine to generate electric energy, and so on from cycle to cycle.
- the amount of molecular hydrogen for feeding the combustion cell with in the normal operating phases of the present apparatus is lower than the amount of molecular hydrogen for feeding the same cell in the starting step b).
- the present apparatus allows producing electrical energy from renewable sources without emission of any kinds of pollutants.
- the present apparatus for producing energy finds a privileged application in domestic plants where the small dimensions of the plant helps maintaining low the costs of the technology used and the recovery of the vapour formed is maximized by the immediate recovery for the heating system and for the production of sanitary water.
- a further advantage of the apparatus for producing energy according to the present invention is the fact that it may be used not only for domestic and industrial application in new plants, but also in pre-existing plants, for instance for converting hydrocarbons power plants, for haulage, in particular by trains and subway trains.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fuel Cell (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK15762714.2T DK3169937T3 (da) | 2014-07-17 | 2015-07-16 | Apparat til produktion af elektricitet, og rettet process |
LTEP15762714.2T LT3169937T (lt) | 2014-07-17 | 2015-07-16 | Aparatas elektros energijai gaminti ir jo naudojimo būdas |
EP15762714.2A EP3169937B1 (en) | 2014-07-17 | 2015-07-16 | Apparatus for producing electricity, and related process |
PL15762714T PL3169937T3 (pl) | 2014-07-17 | 2015-07-16 | Aparatura do produkcji energii elektrycznej i powiązany proces |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITFI20140171 | 2014-07-17 | ||
ITFI2014A000171 | 2014-07-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016009385A1 true WO2016009385A1 (en) | 2016-01-21 |
Family
ID=51628254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2015/055393 WO2016009385A1 (en) | 2014-07-17 | 2015-07-16 | Apparatus for producing electricity, and related process |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3169937B1 (pl) |
DK (1) | DK3169937T3 (pl) |
LT (1) | LT3169937T (pl) |
PL (1) | PL3169937T3 (pl) |
WO (1) | WO2016009385A1 (pl) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201900012750A1 (it) * | 2019-08-13 | 2021-02-13 | Bertelli Marco | Apparato per la produzione di energia elettrica e relativo procedimento |
EP3982465A1 (en) * | 2020-10-07 | 2022-04-13 | E.HY. Energy Hydrogen Solution S.p.A. | Hydrogen cell |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201900017123A1 (it) * | 2019-09-26 | 2021-03-26 | Marco Bertelli | Apparato per la produzione di vapore e relativo procedimento |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1330299A (en) * | 1969-12-19 | 1973-09-12 | Exxon Research Engineering Co | Combustion by reduction of smoke in flames |
US5761896A (en) * | 1994-08-31 | 1998-06-09 | Westinghouse Electric Corporation | High efficiency method to burn oxygen and hydrogen in a combined cycle power plant |
EP1179709A2 (en) * | 2000-08-09 | 2002-02-13 | Calsonic Kansei Corporation | Hydrogen combustion heater |
WO2004033963A1 (de) * | 2002-10-04 | 2004-04-22 | Robert Bosch Gmbh | Nachbrenneinrichtung |
WO2005024301A1 (en) * | 2003-09-11 | 2005-03-17 | Giacomini S.P.A. | Hydrogen burning method and burner, and water heating system using it |
US20050223711A1 (en) * | 2004-04-07 | 2005-10-13 | Lockheed Martin Corporation | Closed-loop cooling system for a hydrogen/oxygen based combustor |
US20070193537A1 (en) * | 2004-06-09 | 2007-08-23 | Fuji Kihan Co., Ltd. | Fuel reformer |
WO2009019520A2 (en) * | 2007-08-03 | 2009-02-12 | 3R Carbon Capture And Storage Pty Ltd. | Catalytic pyrolysis device and procedure for the production of the structure of the housing body of the catalytic pyrolysis device |
US20100043433A1 (en) * | 2008-08-19 | 2010-02-25 | Kelly Patrick J | Heat Balancer for Steam-Based Generating Systems |
US20110027739A1 (en) * | 2007-02-26 | 2011-02-03 | Institut Francais Du Petrole | Premixing-Less Porous Hydrogen Burner |
WO2012013289A2 (de) * | 2010-07-29 | 2012-02-02 | Linde Aktiengesellschaft | Verfahren und vorrichtung zur stromspeicherung |
-
2015
- 2015-07-16 DK DK15762714.2T patent/DK3169937T3/da active
- 2015-07-16 EP EP15762714.2A patent/EP3169937B1/en not_active Not-in-force
- 2015-07-16 WO PCT/IB2015/055393 patent/WO2016009385A1/en active Application Filing
- 2015-07-16 PL PL15762714T patent/PL3169937T3/pl unknown
- 2015-07-16 LT LTEP15762714.2T patent/LT3169937T/lt unknown
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1330299A (en) * | 1969-12-19 | 1973-09-12 | Exxon Research Engineering Co | Combustion by reduction of smoke in flames |
US5761896A (en) * | 1994-08-31 | 1998-06-09 | Westinghouse Electric Corporation | High efficiency method to burn oxygen and hydrogen in a combined cycle power plant |
EP1179709A2 (en) * | 2000-08-09 | 2002-02-13 | Calsonic Kansei Corporation | Hydrogen combustion heater |
WO2004033963A1 (de) * | 2002-10-04 | 2004-04-22 | Robert Bosch Gmbh | Nachbrenneinrichtung |
WO2005024301A1 (en) * | 2003-09-11 | 2005-03-17 | Giacomini S.P.A. | Hydrogen burning method and burner, and water heating system using it |
US20050223711A1 (en) * | 2004-04-07 | 2005-10-13 | Lockheed Martin Corporation | Closed-loop cooling system for a hydrogen/oxygen based combustor |
US20070193537A1 (en) * | 2004-06-09 | 2007-08-23 | Fuji Kihan Co., Ltd. | Fuel reformer |
US20110027739A1 (en) * | 2007-02-26 | 2011-02-03 | Institut Francais Du Petrole | Premixing-Less Porous Hydrogen Burner |
WO2009019520A2 (en) * | 2007-08-03 | 2009-02-12 | 3R Carbon Capture And Storage Pty Ltd. | Catalytic pyrolysis device and procedure for the production of the structure of the housing body of the catalytic pyrolysis device |
US20100043433A1 (en) * | 2008-08-19 | 2010-02-25 | Kelly Patrick J | Heat Balancer for Steam-Based Generating Systems |
WO2012013289A2 (de) * | 2010-07-29 | 2012-02-02 | Linde Aktiengesellschaft | Verfahren und vorrichtung zur stromspeicherung |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201900012750A1 (it) * | 2019-08-13 | 2021-02-13 | Bertelli Marco | Apparato per la produzione di energia elettrica e relativo procedimento |
EP3982465A1 (en) * | 2020-10-07 | 2022-04-13 | E.HY. Energy Hydrogen Solution S.p.A. | Hydrogen cell |
US11828250B2 (en) | 2020-10-07 | 2023-11-28 | E.HY. Energy Hydrogen Solution S.p.A. | Hydrogen cell |
Also Published As
Publication number | Publication date |
---|---|
EP3169937B1 (en) | 2019-12-25 |
EP3169937A1 (en) | 2017-05-24 |
LT3169937T (lt) | 2020-06-25 |
PL3169937T3 (pl) | 2020-06-29 |
DK3169937T3 (da) | 2020-04-06 |
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