EP2500650A2 - Procédé de réglage d'un dispositif de chauffage - Google Patents

Procédé de réglage d'un dispositif de chauffage Download PDF

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Publication number
EP2500650A2
EP2500650A2 EP12159300A EP12159300A EP2500650A2 EP 2500650 A2 EP2500650 A2 EP 2500650A2 EP 12159300 A EP12159300 A EP 12159300A EP 12159300 A EP12159300 A EP 12159300A EP 2500650 A2 EP2500650 A2 EP 2500650A2
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EP
European Patent Office
Prior art keywords
combustion chamber
new
fuel
firewood
pellet
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
Application number
EP12159300A
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German (de)
English (en)
Other versions
EP2500650B1 (fr
EP2500650A3 (fr
Inventor
Karl Stefan Riener
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Individual
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Individual
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Filing date
Publication date
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Publication of EP2500650A2 publication Critical patent/EP2500650A2/fr
Publication of EP2500650A3 publication Critical patent/EP2500650A3/fr
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Publication of EP2500650B1 publication Critical patent/EP2500650B1/fr
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/02—Closed stoves
    • F24B1/028—Closed stoves with means for regulating combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
    • F23B40/06—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed along the fuel-supporting surface
    • F23B40/08—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed along the fuel-supporting surface into pot- or trough-shaped grates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/002—Regulating fuel supply using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/003—Systems for controlling combustion using detectors sensitive to combustion gas properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/02—Closed stoves
    • F24B1/024—Closed stoves for pulverulent fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2239/00—Fuels
    • F23N2239/02—Solid fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2900/00—Special features of, or arrangements for controlling combustion
    • F23N2900/05001—Measuring CO content in flue gas

Definitions

  • the invention relates to a method for controlling a heating device with a combustion chamber, as indicated in claim 1.
  • Heating devices which are suitable for at least two types of fuels and wherein a first type of fuel via the combustion chamber door and a second type of fuel can be automatically introduced via a feed device into the combustion chamber of the heater.
  • the present invention has for its object to provide a method for controlling a heater with a combustion chamber, which increases the efficiency of the combustion process, especially in the introduction of new fuel into the combustion chamber and thereby causes the least possible additional effort and / or an additional, practical Benefit to the operator of the heater offers.
  • the control of the heating device during the operating phase with a first sensor continuously monitors the opening and closing of the combustion chamber door of the heating device.
  • This continuous monitoring of the combustion chamber door is possible in a simple and reliable manner, in particular with a mechanical-electrical sensor, such a sensor having a long service life.
  • the control of the heater set incorrectly and there is a lack of combustion. If, however, it is determined with the at least one further sensor whether new fuel has been introduced into the combustion chamber, the control setting of the heating device can be reliably and correctly adapted to the respectively prevailing situation. In particular, the control of the heater can be set differently, depending on whether a new fuel has been introduced into the combustion chamber or not. This results in a more optimal combustion process in the different situations resulting in a higher energy yield and heat yield at the same amount of fuel and on the other hand a lower pollutant or ash development is achieved during the firing process.
  • the procedure according to the invention thus makes it possible in a simple way to optimize or adapt the combustion process in a heating device, in particular only in the phases in which really new fuel is introduced into the combustion chamber and thus the combustion conditions in the combustion chamber are changed.
  • the measures according to claim 2 since in particular by an at least short-term increase in the air supply into the combustion chamber of the combustion process is accelerated when new fuel was introduced into the combustion chamber. Increasing the air supply optimizes the firing or ignition process for the newly introduced fuel and at the same time ensures that the lowest possible amount of additional exhaust gases and soot particles is formed in this firing process.
  • any existing, closed with glass sight opening and / or the flue gas guide means inferred.
  • the combustion chamber door of the heater is opened and closed, but no new fuel into the combustion chamber introduced, this is detected by the at least one further sensor and the control settings relating to the air supply into the combustion chamber are kept substantially the same. This prevents, for example, that accelerated burning of the fuel already present in the combustion chamber is triggered by the increased air supply, whereby the burning time of the fuel would be relatively greatly reduced, the heating device would be relatively highly heated and the combustion process would not proceed optimally.
  • a temperature sensor is a very simple and cost-effective way to determine a successful introduction of new fuel into the combustion chamber.
  • introduction of new fuel into the combustion chamber can be determined by means of a temperature sensor in particular by the fact that after closing the combustion chamber door, the temperature rises in the combustion chamber.
  • the basically maintenance-free temperature sensor which can also be based on many different, long-matured operating principles, also offers additional, practical benefits for the operation of the heater.
  • the temperature data of the sensor can also be used simultaneously for the exact determination of the actual heating power of the heating device.
  • these temperature data can be used as an input parameter for a control to optimize the combustion process, such as to optimize the air supply into the combustion chamber.
  • the measures according to claim 4 are also advantageous, since a carbon monoxide sensor (CO sensor) quickly and reliably provides information as to whether new fuel has been introduced into the combustion chamber or not. This can be determined in particular due to the fact that after the introduction of new fuel into the combustion chamber and after closing the combustion chamber door, the CO content in the combustion chamber increases at least in the short term, since a partially incomplete combustion occurs when igniting the newly added fuel. Based on the ideal CO content in the resulting during combustion flue gases, which is at optimal and stable combustion conditions in about 30 ppm, so the CO content increases in the flue gas after the successful introduction of new fuel in the combustion chamber, which by the CO Sensor is detected.
  • CO sensor carbon monoxide sensor
  • the use of a CO sensor for the operator of the heater provides an additional, practical benefit, since the reliability of the heater to simple and reliable way can be improved.
  • the CO sensor the CO content in the flue gas can be monitored continuously and, when a certain limit value is exceeded, countermeasures can be taken to avert risks to the health and life of the user of the heating device.
  • the measured value for the CO content in the flue gas can also be used as input parameter for a control for optimizing the combustion conditions in the heating device, whereby a very high degree of optimization of the combustion process can be achieved.
  • the control of the heater changes in the firewood operation when introducing firewood through the combustion chamber door in the combustion chamber , the automatic supply of wood pellets in the combustion chamber ends at the latest after the successful firing of newly introduced firewood and adjusts the control settings, so that the ignition or subsequently the burning of the newly introduced firewood runs under optimal conditions. This increases the efficiency of the combustion process in the heater.
  • the regulation of the heating device can therefore reliably and simply monitor any fuel supply into the combustion chamber. This includes not only the automatic supply of the additional fuel via the supply means, which is indeed caused by the regulation of the heater itself, but also the introduction of a first fuel in the combustion chamber, as this is determined with the at least one other sensor.
  • the combustion conditions in the combustion chamber of the control of the heater can be optimally adapted to the prevailing situation, depending on whether a new first fuel was introduced into the combustion chamber or not.
  • Another advantage is the measures of claim 7, as this ensures that no disturbing logs or ash residues remain in the pellet burner and could hinder the ignition or burning of wood pellets in pellet operation, which would affect the efficiency of the combustion process in pellet operation.
  • Fig. 1 is an exemplary embodiment of a heating device 1, which can be regulated according to the inventive method exemplified.
  • the housing the heater 1 is not fully shown for reasons of clarity.
  • the heating device 1 comprises a bottom element 2 on which a furnace element 3 is mounted, so that the heating device 1 has a high stability.
  • the furnace element 3 comprises a combustion space 4 open to the front, wherein the forwardly directed opening of the combustion chamber 4 is closed with a combustion chamber door 5 which can be opened as required.
  • the combustion chamber door 5 can be provided with a glass pane 6, which releases the view into the combustion chamber 4 when the combustion chamber door 5 is closed, and enables improved space heating due to thermal radiation.
  • a new, in its dimensions relatively large first fuel, in particular firewood are introduced into the combustion chamber 4 of the heater 1. It should be explicitly stated at this point that "new fuel” always means the "new fuel introduced into the combustion chamber 4".
  • the first sensor 7 is designed in the present case as a mechanical-electrical limit switch, which is triggered by the lower portion 8 of the combustion chamber door 5.
  • the introduced via the combustion chamber door 5 into the combustion chamber 4 logs is deposited on the grate support 9 and burned there.
  • the grate support 9 forms the largest part of the lower end of the combustion chamber 4.
  • a pellet burner 10 is formed in the central region of the grate support 9, which extends in its depth extent starting from the grate support 9 down.
  • the tipping grate 11 is provided on the one hand with small openings 12, so that the ashes obtained during combustion can continuously fall from the combustion chamber 4 into an ash tray arranged thereunder.
  • the combustion chamber door 5 is provided with a lower portion 8, through which the ash tray after opening the combustion chamber door 5 is accessible. Furthermore, the tipping grate 11 is rotatably mounted via a shaft 13, so that ash and other materials located in the pellet burner trough 10 can be tipped over a signal of the control of the heater 1 in the ash tray.
  • the heating device 1 is equipped with a supply means 14.
  • the supply means 14 has, in particular, a screw conveyor 15 and a funnel 16, which are designed to convey wood pellets into the pellet burner 10 of the combustion chamber 4.
  • the supply and the ignition of the wood pellets in the pellet burner 10 are controlled by the control of the heater 1.
  • the wood pellets are stored in a reservoir, not shown, preferably formed above the hopper 16.
  • the heater 1 is equipped with a continuously variable ventilation device 17.
  • the regulation of the heating device 1 sets via the ventilation device 17 according to the situation in the combustion chamber 4 and according to user specifications, the air supply into the combustion chamber 4 and in particular in the pellet burner 10 a.
  • the ventilation device 17 allows a supply of primary air and secondary air into the combustion chamber 4.
  • the primary air flows in particular from below into the pellet burner 10 and is preferably used in the ignition and burning of wood pellets and igniting logs.
  • the secondary air flows downwards, in particular from above, on the inside of the combustion chamber door 5, thereby keeping the inside of a glass pane 6 which may be present free of soot deposits and the like.
  • the secondary air is preferably used when firing logs.
  • flue gas guide means 19 The resulting during combustion in the combustion chamber 4 flue gas is passed through an opening 18 in the upper region of the combustion chamber 4 in flue gas guide means 19 and further discharged, for example, in the fireplace of a house.
  • the discharge of the flue gas is supported in the embodiment shown by means of a suction device 20, so that the flue gas guide means 19 can extend, for example, in the entire back region 21 of the furnace element 3.
  • the described heating device 1 is usually used as a freestanding stove for heating a room via air convection or heat radiation
  • the furnace element 3 is equipped on its outside with heat exchanger elements 22, 23, whereby the efficiency of the heater 1 is increased.
  • the heater 1 is automatically taken by the scheme in a start phase 24 by the ignition of wood pellets in the pellet burner 10 in operation.
  • This provides increased comfort for a user of the heater 1 and after successful completion of the starting phase 24, that is, after the wood pellets have been ignited in the pellet burner 10, the control of the heater 1 changes to an operating phase, in which after addition of firewood between pellet operation 25th and log operation 27 is changed.
  • the user of the heating device 1 can already decide at startup whether the heating device 1 is put into operation automatically and exclusively by the ignition of wood pellets or with the help of the user by the ignition of firewood. In the latter case, however, it is also expedient to support the ignition of the billets by introducing at least a small amount of wood pellets into the pellet burner 10.
  • pellets 25 is transported in the pellet operation 25 of the control of the heater 1 by means of the feed 14 wood pellets in the pellet burner 10 and burned.
  • the control of the heating device 1 controls the supply of wood pellets and air by means of the ventilation device 17 into the combustion chamber 4 in particular so that a certain room temperature is reached or maintained. If the heater is stopped by the user, no more wood pellets are fed into the combustion chamber 4 and after the burning of the wood pellets still in the combustion chamber 4, the heater 1 is taken out of service.
  • the further sensor 26 is in Fig. 2 shown and may be designed in particular as a temperature sensor or a CO sensor. Expediently, the further sensor 26 is located in the middle or upper region of the combustion chamber 4, in particular on or in the rear wall of the furnace element 3. However, an embodiment is also conceivable in which the further sensor 26 is located in the flue gas guiding means 19. An advantage would be that the further sensor 26 would not be under the direct action of fire and would thus be exposed to less stress or less wear.
  • a temperature sensor detects an opening and closing of the combustion chamber door 5 without introduction of firewood characterized in that after closing the combustion chamber door 5, the temperature does not rise higher than it was before opening the combustion chamber door 5. With a CO sensor, this circumstance can be determined by the fact that, after closing the combustion chamber door 5, the CO content in the combustion chamber 4 returns to the value which prevailed in the combustion chamber 4 before opening the combustion chamber door 5.
  • the other case 26 detects the other case, namely that logs have been introduced into the combustion chamber 4, then the regulation of the heating device 1 changes into the log operation 27.
  • the introduction of firewood over the combustion chamber door 5 into the combustion chamber 4 can be effected by the control depending on the embodiment of the other sensor 26 are detected in different ways.
  • the finding is based on the effect that after the introduction of firewood and after the closing of the combustion chamber door 5, the temperature rises in particular above the value that prevailed before the opening of the combustion chamber door 5 in the combustion chamber 4.
  • the detection takes place on the basis of the process that, after the introduction of firewood and after the closing of the combustion chamber door 5, the CO content increases, at least in the short term, above the value which prevailed before opening the combustion chamber door 5 in the combustion chamber.
  • the automatic pellet feed is stopped via the supply means 14 in the pellet burner 10 of the combustion chamber 4 at the latest after the successful ignition of newly introduced firewood, as long as the heater 1 reaches the particular desired by the user heating power. Furthermore, immediately after the change of the operating mode, the air supply in the Increase combustion chamber 4 via the venting device 17 to allow an optimal and quick ignition of the newly introduced firewood.
  • control settings of the heating device 1 and in particular the settings relating to the air supply into the combustion chamber 4 are substantially retained. If at least a large part of the billet introduced into the combustion chamber 4 is burnt down in the firewood mode 27, or if the heating power of the heating device 1 has fallen below a certain heating power specified by the user in particular and no new firewood has been introduced, then it changes the control of the heater 1 from the log operation 27 back into the pellet operation 25 and wood pellets are automatically introduced with the supply means 14 in the pellet burner 10 and burned.
  • not shown embodiment of the control method can also be specified by the user that after the switch from firewood operation 27 back into the pellet 25 no automatic supply of wood pellets is performed more, but the heater is taken out of service or stopped.
  • the pellet burner 10 is equipped with a tipping grate 11, which is tilted when switching from the firewood operation 27 back into the pellet mode 25, so that disturbing logs or ash residues are removed from the pellet burner 10 before new wood pellets from the automatic feeding means 14th be introduced into the pellet burner 10.
  • the tilting of the Kipprosts 11 of the pellet 10 is only when falling below a threshold temperature and / or falls below a certain CO content in the combustion chamber 4 is performed when switching from logwood operation 27 in the pellet 25 to complete burning of the present in the pellet burner 10 fuel materials to ensure.
  • the determination of the Abkippzeitrelates takes place in particular via the measured values of the at least one further sensor 26, which is preferably designed as a temperature sensor or a CO sensor.
  • the at least one further sensor 26 which is preferably designed as a temperature sensor or a CO sensor.
  • several such sensors 26 are integrated in the heater 1, so that about the introduction of firewood into the combustion chamber 4, the instantaneous heating power of the heater 1 and / or the Abkippzeittician the Kipprostes 11 can be determined more accurately ,

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  • 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)
  • Solid-Fuel Combustion (AREA)
EP12159300.8A 2011-03-14 2012-03-13 Procédé de réglage d'un dispositif de chauffage Active EP2500650B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA351/2011A AT511145B1 (de) 2011-03-14 2011-03-14 Verfahren zur regelung einer heizeinrichtung

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EP2500650A2 true EP2500650A2 (fr) 2012-09-19
EP2500650A3 EP2500650A3 (fr) 2017-06-07
EP2500650B1 EP2500650B1 (fr) 2018-08-08

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013010191A1 (de) 2013-06-17 2014-12-18 Karl Stefan Riener Brennmulde und Ofen mit Brennmulde
EP2775201A3 (fr) * 2013-03-08 2015-01-21 Thomas Blank Appareil de chauffage, insert de stockage pour un appareil de chauffage et procédé de fonctionnement d'un appareil de chauffage
BE1024267B1 (nl) * 2016-05-23 2018-01-16 V.F.M.Cvba Zelfregulerende haard
WO2018113881A1 (fr) * 2016-12-20 2018-06-28 Aduro A/S Poêle mixte et utilisation d'un poêle mixte
WO2018113880A1 (fr) * 2016-12-20 2018-06-28 Aduro A/S Poêle mixte et utilisation d'un poêle mixte
IT201700040195A1 (it) * 2017-04-11 2018-10-11 Filippo Ungaro Stufa a tre fuochi
IT201800006598A1 (it) * 2018-06-22 2019-12-22 Apparecchio per il riscaldamento alimentato a biomassa avente doppia camera di combustione con sistema di convogliamento dell'aria comburente

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN218348646U (zh) * 2022-03-11 2023-01-20 宁波吉盛电器有限公司 一种可实现快速维修的颗粒炉

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0985883A2 (fr) 1998-08-19 2000-03-15 Eurofiamma S.R.L. Dispositif de chauffage

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
ITUD20020064A1 (it) * 2002-03-18 2003-09-18 Palazzetti Lelio Spa Dispositivo di riscaldamento con alimentazione a doppio combustibile
DE10254565B4 (de) * 2002-11-21 2005-02-03 Hark Gmbh & Co. Kg Kamin- Und Kachelofenbau Kaminofen und seine Verwendung
AT412904B (de) * 2003-03-05 2005-08-25 Lohberger Heiz & Kochgeraete T Herd
WO2008104012A1 (fr) * 2007-02-28 2008-09-04 Guetl Karl Système d'allumage pour fours à combustible solide et four à combustible solide
US7870854B2 (en) * 2007-03-12 2011-01-18 FPI Fireplace Products International Ltd Closed-loop control system for heating systems
AT506615B1 (de) * 2008-03-18 2010-02-15 Manglberger Heizungsbau Gmbh Vorrichtung zum verbrennen von biomasse, insbesondere auf zellulosebasis
AT507099B1 (de) * 2008-09-16 2010-02-15 Lohberger Heiz & Kochgeraete T Vorrichtung und verfahren zur regelung bzw. steuerung der zu- und/oder abluft in bzw. aus einem brennraum einer heizvorrichtung
DE102009005178B4 (de) * 2009-01-15 2012-01-19 Spartherm Feuerungstechnik Gmbh Vorrichtung zum Verbrennen von festen Brennstoffen
DE102009019118A1 (de) * 2009-04-29 2010-11-04 Butschbach, Paul, Dipl.-Ing. (FH) Hausfeuerungsanlage mit kontinuierlicher Feststoffverbrennung und Verfahren zu deren Betrieb

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
EP0985883A2 (fr) 1998-08-19 2000-03-15 Eurofiamma S.R.L. Dispositif de chauffage

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2775201A3 (fr) * 2013-03-08 2015-01-21 Thomas Blank Appareil de chauffage, insert de stockage pour un appareil de chauffage et procédé de fonctionnement d'un appareil de chauffage
EP2949992A1 (fr) 2013-03-08 2015-12-02 Thomas Blank Appareil de chauffage
DE102013010191A1 (de) 2013-06-17 2014-12-18 Karl Stefan Riener Brennmulde und Ofen mit Brennmulde
EP2816283A1 (fr) 2013-06-17 2014-12-24 Karl Stefan Riener Cavité de combustion et four doté d'une cavité de combustion
DE102013010191B4 (de) 2013-06-17 2018-08-16 Karl Stefan Riener Brennmulde und Ofen mit Brennmulde
BE1024267B1 (nl) * 2016-05-23 2018-01-16 V.F.M.Cvba Zelfregulerende haard
WO2018113880A1 (fr) * 2016-12-20 2018-06-28 Aduro A/S Poêle mixte et utilisation d'un poêle mixte
WO2018113881A1 (fr) * 2016-12-20 2018-06-28 Aduro A/S Poêle mixte et utilisation d'un poêle mixte
US10890322B2 (en) 2016-12-20 2021-01-12 Aduro A/S Combi stove and use of a combi stove
US11060733B2 (en) 2016-12-20 2021-07-13 Aduro A/S Combi stove and use of a combi stove
AU2017379141B2 (en) * 2016-12-20 2023-02-16 Aduro A/S A combi stove and use of a combi stove
AU2017379142B2 (en) * 2016-12-20 2023-04-13 Aduro A/S A combi stove and use of a combi stove
IT201700040195A1 (it) * 2017-04-11 2018-10-11 Filippo Ungaro Stufa a tre fuochi
IT201800006598A1 (it) * 2018-06-22 2019-12-22 Apparecchio per il riscaldamento alimentato a biomassa avente doppia camera di combustione con sistema di convogliamento dell'aria comburente

Also Published As

Publication number Publication date
EP2500650B1 (fr) 2018-08-08
EP2500650A3 (fr) 2017-06-07
AT511145A1 (de) 2012-09-15
AT511145B1 (de) 2014-03-15

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