EP2529157A2 - Brûleur pour la combustion de l'hydrogène sur un catalyseur et chaudière pour lesdits brûleurs - Google Patents

Brûleur pour la combustion de l'hydrogène sur un catalyseur et chaudière pour lesdits brûleurs

Info

Publication number
EP2529157A2
EP2529157A2 EP10759989A EP10759989A EP2529157A2 EP 2529157 A2 EP2529157 A2 EP 2529157A2 EP 10759989 A EP10759989 A EP 10759989A EP 10759989 A EP10759989 A EP 10759989A EP 2529157 A2 EP2529157 A2 EP 2529157A2
Authority
EP
European Patent Office
Prior art keywords
burner
heat exchanger
burners
catalyst
accommodating
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.)
Withdrawn
Application number
EP10759989A
Other languages
German (de)
English (en)
Inventor
Corrado Giacomini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giacomini SpA
Original Assignee
Giacomini SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Giacomini SpA filed Critical Giacomini SpA
Publication of EP2529157A2 publication Critical patent/EP2529157A2/fr
Withdrawn legal-status Critical Current

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 
    • F23C13/00—Apparatus in which combustion takes place in the presence of catalytic material
    • F23C13/04—Apparatus in which combustion takes place in the presence of catalytic material characterised by arrangements of two or more catalytic elements in series connection
    • 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 
    • F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
    • F23C5/08—Disposition of burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D12/00—Other central heating systems
    • F24D12/02—Other central heating systems having more than one heat source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/0027—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters using fluid fuel
    • F24H1/0045—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters using fluid fuel with catalytic combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/16—Waste heat
    • F24D2200/18—Flue gas recuperation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

Definitions

  • the present invention refers to a burner for the combustion, i.e. by oxidation, of hydrogen on a catalyst according to the preamble of claim 1 and a heater therefor according to the preamble of claim 9.
  • Burners for the combustion of hydrogen mixed with air are known in various embodiments. They use, for such purpose, composite catalysts made up of two types of catalysts i.e. a first self-ignition catalyst, used for triggering the oxidation of hydrogen mixed with air, and a subsequent operating catalyst, usually in several parts, on which the main part of hydrogen combustion/oxidation is performed.
  • Document EP 1.179.709 A2 discloses a burner of this type used in which - during the triggering step - is a air/hydrogen mixing ratio which abundantly exceeds the flammability limit (about 4% in volume of the air/hydrogen mixture ratio) and even nears extremely hazardous conditions of detonability (air/hydrogen mixing ratio up to 12.5% in volume).
  • such burner is made up of a so-called reaction channel and by an incorporated heat exchanger with igniter plug and therefore the burner itself forms a complete and functional machine, having power in the order of magnitude of 6.38 kW.
  • a "burners module” in a casing serving as a heater.
  • the latter have an extended cylindrical shape of about 800 mm and a diameter of about 120 mm, hence developing in only one direction and this may lead to, for example in the case of few modular burners, a heater with overall dimensions extended length-wise and difficult to manage.
  • the self-ignition catalyst is a fragile body and, thus, requires handling with care to avoid breaking thereof.
  • the task of the present invention is that of simplifying the burners and indicating boilers for accommodating the same.
  • the modules to be accommodated in the heater are no longer formed, as in the previous case, by a burner incorporating the heat exchanger, but by the burner alone, while the heat exchanger is provided separated therefrom, wherein only one heat exchanger shall be provided for in each boiler regardless of the number of modules, i.e. burners, accommodated in the heater.
  • the self-ignition catalyst is easier to handle and positioning thereof is easy, hence reducing hazards related to breakdowns, and thus the waste, of these catalysts, which are also quite expensive,
  • the latter may be easily manufactured by means of any technology, for example as tube heat exchangers or as radiator heat exchangers.
  • the casing itself may be smaller and easier to define configuration thereof, wherein development in vertical direction is equally allowed,
  • a second heat exchanger or auxiliary exchanger which is advantageously accommodated in the heater and which, alongside improving the heat performance, allows producing high purity distilled water.
  • high purity distilled water represents a high quality product and it is used, for example, in laboratories, hospitals and the like.
  • FIG. 1 is a vertical median section through a burner of the prior art
  • figure 2 is a vertical median section through a burner according to the invention with the separate heat exchanger associated
  • FIGS. 3A, 3B, 3C and 3D are three different arrangements of burner modules in a boiler
  • figure 4 is a schematic perspective view illustrating a boiler according to the invention.
  • figure 5 shows an arrangement of three burner modules connected in series and to the external heat exchanger
  • figure 6 shows the diagram of the three burners connected parallel and having the external heat exchanger
  • figure 7 shows an arrangement of a burner module with the external exchanger and with the auxiliary heat exchanger for producing high purity distilled water associated.
  • figure 1 corresponds to figure 2 of the modular burner illustrated in PCT/EP2006/005686 and shows a median longitudinal section through the same.
  • the composite burner made up of the first self-ignition catalyst 3 and a group 2 of single catalysts which form the group of operating catalysts on which the hydrogen oxidation reaction is performed.
  • the air and hydrogen are introduced into the mixing chamber 7 respectively according to arrows 8 and 100 and the air/hydrogen mixture then first impacts the self-ignition catalyst 3 and subsequently the operating catalyst 4 for performing the oxidation of hydrogen with the ensuing formation of burnt gases and water vapour.
  • Indicated with 11 is a toroidal jacket enclosing an exchanger 5 of the igniter plug type, i.e. extended longitudinally, and which is impacted by the burnt gases formed thereof.
  • the water to be heated flows in from the inlet 12A of the exchanger 5 and, after heating, it is introduced into the toroidal jacket 1 1 for further drawing of heat before leaving the burner, arrow 13.
  • Indicated in 18 and 19 are two turbulators for improving heat exchange.
  • the burnt gases and the water vapour collected in the conduction and collection chamber 15 flow out from the burner from the opening 14.
  • these burners 1 to be inserted as modules in the casing of a boiler, are thus modular burners with incorporated heat exchanger.
  • the burner 20 has a body 21 which is formed by a head 22, which contains the ignition catalyst 23, and a body 40 with an accommodation 24 defining a reaction chamber 25, contained in which is the operating catalyst 26 on which hydrogen oxidation is performed.
  • the accommodation 24 in turn defines, with the front sides 27, 28 and an outer jacket 29 a cooling chamber 30 with an inlet 31 and an outlet 32.
  • the composite catalyst 33 is even in this case made up, in a manner similar to that of the prior art, of the ignition catalyst 23 and the oxidation catalyst 26, wherein both may be provided for by a plurality adjacent discs.
  • the composition of catalysts 23 and 26 reference shall be made to the respective descriptions of document PCT/EP2006/005686.
  • a heat exchanger 35 Illustrated as a heat exchanger in figure 2 is a plate exchanger 35 with an inlet 36 and an outlet 37, wherein a pipe 38 connects the inlet 31 of the burner 20 with the outlet 37 of the exchanger 35.
  • the head 22 represents an independent element fixable, for example by means of screws, to the body 40 of the burner 20 containing the accommodation 24.
  • This solution allows a direct and simple insertion of the self-ignition catalyst 23 into the head 22 and practically eliminates inadvertent breaking of the same during handling thereof.
  • figure 2 shows that provided in the head 22 upstream of the self-ignition catalyst 23 is a chamber 41 for premixing the air and hydrogen supplied in a known manner, such mixture directly impacting the self-ignition catalyst 23, wherein also this solution contributes to reduce the overall dimensions of the burner 20 in its entirety.
  • figure 2 shows that in the chamber 30, which does not have any insertion, the water flowing out from the heat exchanger 35 is conveyed for cooling the burner, hence allowing, on one hand, to recover all the heat available on the catalyst 26 and, on the other hand, it causes the stabilisation of the temperature of the outer jacket 29.
  • FIG. 4 An exemplifying arrangement of two burner modules 20 in a boiler is illustrated in figure 4, wherein the heater 41 comprises a first casing 42 accommodating the two modules 20, in a suitably insulated manner, and a second casing 43 accommodating the heat exchanger 35.
  • the heat exchanger 35 according to the invention is always provided separate from the burner modules 20 and is always provided for as a single exchanger regardless of the number of burners 20, wherein the dimensioning thereof shall be matched from time to time to the provided number of burners.
  • Figures 5 and 6 illustrate the connection circuit diagram between three burner modules 20 and the associated heat exchanger 35, wherein illustrated in figure 5 is a series connection and in figure 6 is a parallel connection.
  • a further heat exchanger 45 is also preferably accommodated in the casing 43 of the boiler 41 and it has a double function. On one hand, it allows recovering further heat and further reducing the temperature of the exhaust steam. On the other hand, this second heat exchanger 45 also allows the production of high purity distilled water, as mentioned in 46 and explained hereinafter.
  • a conveyor not illustrated, arranged in the boiler 41 between the two casings 42 and 43, for directing the hot air coming from the burner modules 20 towards the mouth 47 of the heat exchanger 35.
  • the separation of the heat exchanger 35 from the burner module 20 allows the abovementioned reduction of the overall dimensions of the modules 20 optimizing the spaces to the uttermost and containing - therein - the same catalysts and at the same amount and size as provided for the burner disclosed by the document PCT/EP2006/005686.
  • the channel has a length such to contain the packet of oxidation or operating catalysts 26, while the accommodation of the self-ignition catalyst 23 in the head allows incorporating - inside the latter - the mixing chamber 41 and also facilitates the assembly and positioning of control probes, not illustrated.
  • the accommodation cylinder or jacket 24 is made of material with good thermal conductivity properties, for example made of copper and the water circulating in the cooling chamber 30 is the same water flowing out from the heat exchanger 35.
  • the outer jacket 29 shall be made of material with good thermal insulation properties, so as to prevent excessive heat dispersion, for example made of stainless steel.
  • the head 22 may be made of different material, but preferably material having good insulation properties.
  • the burner modules 20 in the casing 42 shall be surrounded by a highly insulating material, for example polyurethane.
  • the series or parallel connection illustrated in figures 5 and 6 may be used to integrate the circulation of the water of the heat exchanger 35 and of the burner modules 20. It should be observed that the series connection is made in a simple manner but, in case of inadvertent interruption of the flow of water inside a module the circulation of water inside the heater is stopped with the consequent malfunctioning of the same. Though parallel connection allows overcoming this criticality, manufacturing thereof is more complex to obtain, but in case of interruption of circulation by a burner module 20 the heater operates correctly.
  • each module may be provided with an automatic valve, not illustrated, for actuating the circulation of the water when the reaction begins, wherein this solution is actuatable solely through the parallel connection.
  • the vertical configuration of the heater allows easily recovering the condensate that is formed in the heat exchanger 35 or in the exchanger 45 as the condensation step, wherein - in this manner - the condensate never comes into contact with the catalysts of the burner modules 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Gas Burners (AREA)

Abstract

La présente invention a pour objet un brûleur (20) pour la combustion de l'hydrogène sur un catalyseur, comprenant, dans le corps (21) du brûleur (20), un premier catalyseur d'auto-ignition (23) et un groupe consécutif de catalyseurs d'oxydation (26), comprenant également un échangeur de chaleur (35) chauffé par les gaz brûlés, l'échangeur de chaleur (35) dans le brûleur (20) étant obtenu sous la forme d'un échangeur de chaleur classique et étant disposé à l'extérieur du corps (21) du brûleur (20) recevant les catalyseurs (23, 26). Une tête (22) recevant le catalyseur d'auto-ignition (23) peut être séparée par un corps (40) recevant les catalyseurs d'oxydation (26). Un second échangeur de chaleur (45), traversé par de l'eau froide, permet la production d'eau distillée de haute pureté. Dans la chaudière proposée (41), une première partie (42) reçoit les modules du brûleur (20) et une autre partie (43) reçoit l'échangeur de chaleur classique (35) et l'échangeur de chaleur supplémentaire possible (45) pour la production d'eau distillée.
EP10759989A 2010-01-27 2010-09-03 Brûleur pour la combustion de l'hydrogène sur un catalyseur et chaudière pour lesdits brûleurs Withdrawn EP2529157A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000005A ITCO20100005A1 (it) 2010-01-27 2010-01-27 "combustore per la combustione di idrogeno su un catalizzatore e caldaia per tali combustori"
PCT/IB2010/002235 WO2011092542A2 (fr) 2010-01-27 2010-09-03 Brûleur pour la combustion de l'hydrogène sur un catalyseur et chaudière pour lesdits brûleurs

Publications (1)

Publication Number Publication Date
EP2529157A2 true EP2529157A2 (fr) 2012-12-05

Family

ID=42651138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10759989A Withdrawn EP2529157A2 (fr) 2010-01-27 2010-09-03 Brûleur pour la combustion de l'hydrogène sur un catalyseur et chaudière pour lesdits brûleurs

Country Status (4)

Country Link
US (1) US20110180023A1 (fr)
EP (1) EP2529157A2 (fr)
IT (1) ITCO20100005A1 (fr)
WO (1) WO2011092542A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3095497A1 (fr) 2019-04-24 2020-10-30 Henri Becu Bruleur en nano materiaux frittes pour la combustion par flamme d’un premelange gazeux du type comburant/combustible

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953929A (zh) * 2014-05-15 2014-07-30 中国计量学院 一种氢气催化燃烧器
GB2581950B (en) * 2019-01-17 2023-08-09 Easycabin Holdings Ltd Welfare unit with electricity producing means
DE102019121973A1 (de) * 2019-08-15 2021-02-18 Vaillant Gmbh Heizgerät für ein Gebäude
WO2023141218A2 (fr) * 2022-01-19 2023-07-27 Ohmium International, Inc. Système et procédé de séchage faisant à l'aide de gaz d'échappement de combustion d'hydrogène
CN116920728A (zh) * 2023-06-02 2023-10-24 广州博能能源科技有限公司 一种产生热空气，或高温蒸汽，或者生产纯净水的零碳排放的装置及工艺
DE102023132607A1 (de) * 2023-11-22 2025-05-22 HYTING GmbH Vorrichtung zur Energieversorgung eines Objekts, Verwendung eines Zusatzheizers sowie Objekt

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57131957A (en) * 1981-02-09 1982-08-16 Matsushita Electric Ind Co Ltd Water heater by catalytic combustion burning
AT402847B (de) * 1995-08-03 1997-09-25 Vaillant Gmbh Wärmeerzeuger mit einem teilweise katalytisch beschichteten metallischen wabenkörperreaktor
SE9602688L (sv) * 1996-07-08 1998-01-09 Volvo Ab Katalytisk brännkammare, samt förfarande för tändning och reglering av den katalytiska brännkammaren
US6171718B1 (en) * 1998-12-28 2001-01-09 International Fuel Cells, Llc Pressurized water recovery system for a fuel cell power plant
EP1179709B1 (fr) * 2000-08-09 2005-12-14 Calsonic Kansei Corporation Système de chauffage par combustion d'hydrogène
JP2002372208A (ja) * 2001-06-13 2002-12-26 Calsonic Kansei Corp 水素燃焼ヒータ
JP2005221201A (ja) * 2004-02-09 2005-08-18 Denso Corp 触媒燃焼加熱装置
US8177545B2 (en) * 2004-12-17 2012-05-15 Texaco Inc. Method for operating a combustor having a catalyst bed
ITCO20050019A1 (it) * 2005-06-21 2006-12-22 Giacomini Spa Procedimento e combustore per la combustione di idrogeno
WO2009102760A1 (fr) * 2008-02-12 2009-08-20 Genesis Fueltech, Inc. Reformeur et procédé de démarrage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011092542A2 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3095497A1 (fr) 2019-04-24 2020-10-30 Henri Becu Bruleur en nano materiaux frittes pour la combustion par flamme d’un premelange gazeux du type comburant/combustible

Also Published As

Publication number Publication date
ITCO20100005A1 (it) 2011-07-28
US20110180023A1 (en) 2011-07-28
WO2011092542A3 (fr) 2011-09-29
WO2011092542A2 (fr) 2011-08-04

Similar Documents

Publication Publication Date Title
US20110180023A1 (en) Burner for the Combustion of Hydrogen on a Catalyst and Boiler for said Burners
CN111148948B (zh) 热水器和加热水的方法
CN102822607B (zh) 包括冷凝换热器的热流体生产设备
US12021277B2 (en) Fuel cell system, and method of its operation
JP2004532507A5 (fr)
CN105529482A (zh) 一种甲醇燃料电池系统
CN214664322U (zh) 换热装置及其热水锅炉、蒸汽发生设备
CN101196342A (zh) 一种冷凝式燃气热水器及烟气流动方式
KR20090059142A (ko) 연료 전지 시스템
JP5288169B2 (ja) 熱交換器および温水装置
KR100889799B1 (ko) 이중 순간 가열식 전기보일러
CN106705710A (zh) 换热器
EP2486330B1 (fr) Appareil à haute efficacité pour chauffage d'espaces et système comprenant ledit appareil
KR101083633B1 (ko) 열처리수의 믹스를 이용한 열증폭기
KR101528222B1 (ko) 혼합형 증기발생기 및 이를 구비하는 원전
CN105826637A (zh) 一种用于重整制氢燃料电池组的换热器
CN101520232B (zh) 双水腔燃油加热器用热交换器
CN201377898Y (zh) 双水腔燃油加热器用热交换器
JP5811450B2 (ja) 熱媒ボイラ
CN201057499Y (zh) 熔盐余热两用炉
KR20010107891A (ko) 가정용 보일러
DK180453B1 (en) Compact burner-reformer unit for a fuel cell system and its use and method of operation
AU2009100240A4 (en) Compact Heat Exchanger
EP1975533A2 (fr) Échangeur thermique et chaudière à condensation comprenant un échangeur de chaleur
CN216143707U (zh) 一种垃圾焚烧锅炉双向给水加热系统

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20120825

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20140220

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20140401