EP1243857B1 - Ventilateur pour l'air comburant - Google Patents

Ventilateur pour l'air comburant Download PDF

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Publication number
EP1243857B1
EP1243857B1 EP02001432A EP02001432A EP1243857B1 EP 1243857 B1 EP1243857 B1 EP 1243857B1 EP 02001432 A EP02001432 A EP 02001432A EP 02001432 A EP02001432 A EP 02001432A EP 1243857 B1 EP1243857 B1 EP 1243857B1
Authority
EP
European Patent Office
Prior art keywords
fan
air
mass flow
combustion
nozzle arrangement
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.)
Expired - Lifetime
Application number
EP02001432A
Other languages
German (de)
English (en)
Other versions
EP1243857A1 (fr
Inventor
Rudolf Tungl
Martin Geiger
Reinhold Hopfensperger
Peter Goebel
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.)
Ebm Papst Landshut GmbH
Original Assignee
Ebm Papst Landshut GmbH
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 Ebm Papst Landshut GmbH filed Critical Ebm Papst Landshut GmbH
Publication of EP1243857A1 publication Critical patent/EP1243857A1/fr
Application granted granted Critical
Publication of EP1243857B1 publication Critical patent/EP1243857B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/60—Devices for simultaneous control of gas and combustion air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • F23N1/022—Regulating fuel supply conjointly with air 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
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N5/184—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel 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
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N2005/181—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N2005/185—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2221/00—Pretreatment or prehandling
    • F23N2221/10—Analysing fuel properties, e.g. density, calorific
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2233/00—Ventilators
    • F23N2233/06—Ventilators at the air intake
    • F23N2233/08—Ventilators at the air intake with variable speed

Definitions

  • the invention relates to a fan for combustion air in one wall / floor standing boiler.
  • blowers are used in Household heating systems with premixing surface burner for Heating either from service water or the heating water.
  • control and the regulation takes place in generally via pneumatically controlled gas valves, however due to their required high control performance to an increased Volume flow of combustion air lead, as he for the actual Power generation is not required.
  • WO 86/04663 is a device for a furnace known, in a burner, the combustion air is supplied via a blower.
  • a blower In front of the blower entrance is a Inlet pipe arranged, in which an auxiliary blower installed is.
  • the auxiliary fan has an additional intake on, in which arranged in the front area a fürmeßme réelle is.
  • the fürschlußmeß réelle is provided with a donor and is connected via a line with a control device in Signal connection.
  • the control device controls one between the Additional blower and the inlet opening provided aperture as well the motor of the additional controller.
  • an oil or gas heated water heater known with a blower, which by means of a drive motor Promotes combustion air to a burner, wherein an inlet nozzle in the air inlet of the blower as a differential pressure generator or differential pressure generator is formed.
  • the differential pressure can be one Actuate pressure switch whose force to monitor the volume of air delivered or to regulate the amount of gas in Serve dependent on the volume of air delivered.
  • the invention is therefore based on the object to a blower create an adequate output according to the desired Power requirement, i. Temperature of the service water or the heating, provides.
  • a fan with a blower housing and an impeller for combustion air in one wall / floor standing boiler proposed that has an air inlet (Suction side) and an air outlet (pressure side) has and with a supply line for a preferably gaseous Combustion medium is equipped, wherein at the air inlet a Sensor device arranged to determine the air mass flow which is operatively connected to an electronic control / regulator unit and to these signals for conditioning the ratio Combustion medium / combustion air depending sends the desired heat output, the sensor device is arranged on a ring nozzle assembly.
  • a device is provided, the one full mixing surface burner by capturing of the air and gas mass flow a homogeneous emission-poor Provides combustion and permanently guaranteed.
  • the sensor device a electronic air mass flow anemometer is.
  • Anemometer has proven itself in a wide variety of measurement areas and provides sufficiently accurate signals to determine the mass flow a gaseous medium.
  • a particularly advantageous embodiment is that the annular nozzle arrangement is formed on the air inlet of the blower is. This particular arrangement for the location of the sensor device allows a trouble-free detection of the mass flow, because at this point a quasi laminar flow and the measured states are homogeneous over the cross-sectional area can be viewed on the suction side.
  • the sensor device is in a Bypass is arranged in the gap of the annular nozzle assembly opens. This will be an optimal mass flow measurement supplied to the sensor device, so that the corresponding Measurement signals an error-free determination of the actual mass flow in the main stream.
  • annular nozzle arrangement may be more integral Part of the housing wall at the air inlet of the blower is. It is favorable that the annular nozzle arrangement surrounds the main flow of combustion air at the air inlet. By this arrangement, a steady homogeneous suction the measuring air flow through the corresponding nozzle gap ensured.
  • the annular nozzle arrangement pre-set an input channel is. It can at a favorable training of the bypass enter the input channel. However, it can also be the bypass into an annular gap in the interior of the inlet channel, so that according to the pressure distribution over the Cross section a uniform intake of the measuring air flow is ensured.
  • a rotary valve / control valve This is an integral part of the blower housing is. It is advantageous if this rotary valve / control valve for the gas supply on the suction side the blower is formed. This can be a rational Production can be achieved.
  • the inventive construction advantageously allows that the electronic engine commutation the mass flow evaluation takes over and depending on the result the evaluation controls the speed of the fan motor.
  • Fig. 1 shows a first embodiment of the invention Blowers for combustion air, as in so-called wall / floor-standing boilers is used. It consists of a fan 1 with a fan housing 2 and a fan 2 ', with an air inlet 3 and an air outlet 4. The air inlet is the suction side of the blower, whereas the air outlet designates the pressure side.
  • a supply line 5 for a preferably gaseous combustion medium educated.
  • a sensor device 6 arranged to determine the air mass flow serves. The sensor device 6 indicates signals a control control unit 7 that controls the combustion, e.g. the ratio combustion medium / combustion air in Depending on the desired heating power setting.
  • the control device 6 consists of an electronic Air mass anemometer, as commercially available is.
  • annular nozzle arrangement 8 is arranged, wherein the sensor device 6 at this annular nozzle assembly 8 is attached.
  • the sensor device 6 is in the in Fig. 1 embodiment arranged in a bypass 9, which is in the gap 10 of the Ringdüsenanordung. 8 opens.
  • the ring nozzle assembly 8 has in the illustrated embodiment in addition to the nozzle gap 10 for air mass measurement another nozzle gap 11 (gas nozzle gap) for the supply of the combustion medium.
  • the corresponding signals in terms of Mass flow of the combustion gas to the control unit 7 sends.
  • the annular nozzle arrangement is an integral part of Housing wall 13 of the blower formed.
  • the Housing wall a part of the ring nozzle for the combustion gas form.
  • the annular nozzle assembly 8 surrounds the main stream of combustion air at the air inlet 3 annular. This will be a homogeneous mixing of the combustion gas with the main air flow achieved.
  • the sensors in separate components in the corresponding Lines or annular nozzle sections are housed, is according to embodiment of FIG. 2, the sensor arrangement designed so that a common partition between the annular nozzle for the air mass flow and the gas flow is formed by a measuring chip, so that a compact measuring unit is obtained.
  • FIG. 3 shows a next embodiment of an inventive Blower training, where an input channel 14 of the annular nozzle assembly 8 is vorstand.
  • the sensor device 6 for the mass air flow arranged in a bypass line, in the Inlet channel 14 opens.
  • a covered annular channel 17th formed in the bypass 9 opens.
  • the Bypass 9 is formed so that its opening substantially is normal on the wall of the input channel 16.
  • a rotary valve / control valve 16 is shown that is controlled by the control / regulating unit 7 becomes.
  • the rotary valve / regulator valve is an integral part of the housing 2. In the illustrated embodiment is this rotary valve / regulator valve 16 for the Gas supply to the suction side of the blower 2 is formed.
  • Fig. 4 Exemplary for all other embodiments is in Fig. 4, the motor 18 of the blower 1 shown, wherein the Control / regulator unit 7 together with the electronic engine commutation the mass flow analysis takes over and As a result, the speed of the fan motor can be controlled can.
  • the control electronics are designed so that either at constant engine speed, the gas supply regulated or it may be at a continuous Soll-IstVerschreib the desired power both the speed of the Adjusted engine and the gas supply in a corresponding manner become.
  • FIG. 5 shows an embodiment according to the invention in side view, in which the gas supply 5 does not have a Ring nozzle at the air inlet, but near the pressure side takes place at the air outlet.
  • the invention is not limited in their execution the preferred embodiments given above. Rather, a number of variants is conceivable, which from the illustrated solution even with fundamentally different makes use of the same type.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (15)

  1. Soufflante (1) pour air de combustion dans une chaudière posée au sol ou fixée au mur, avec boítier de soufflante (2) et roue soufflante (2'), avec une admission d'air (3) (côté admission) et une sortie d'air (4) (côté refoulement) et avec un conduit (5) pour un combustible de préférence gazeux, l'admission d'air (3) étant équipée d'un dispositif à sonde (6) pour la détermination du débit massique de l'air, relié fonctionnellement avec une unité de commande/réglage (7) qui envoie à la sonde des signaux pour le calcul du rapport combustible/air de combustion en relation avec la puissance de chauffage souhaitée, le dispositif a sonde (6) étant réalisé par intégration dans une structure à buse annulaire (8).
  2. Soufflante selon la revendication 1, caractérisé en ce que le dispositif à sonde (6) est un anémomètre électronique de flux massique.
  3. Soufflante selon la revendication 1 ou 2, caractérisé en ce que la structure à buse annulaire (8) est intégrée dans l'admission d'air (3).
  4. Soufflante selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif à sonde (6) est intégré dans un bypass (9), qui débouche dans l'interstice (10) de la structure à buse annulaire (8).
  5. Soufflante selon l'une des revendications 3 ou 4, caractérisé en ce que le dispositif à sonde (6), en plus de l'interstice (10) pour la mesure du flux massique de l'air, présente un autre interstice (11) (interstice de buse à gaz) pour l'amenée du combustible.
  6. Soufflante selon la revendication 5, caractérisé en ce que dans la zone de l'interstice de buse à gaz (11) est disposé un autre dispositif à sonde (12),qui envoie des signaux à l'unité de commande/réglage (7).
  7. Soufflante selon l'une des revendications 3 à 6 caractérisé en ce que la structure à buse annulaire (8) est un élément faisant partie intégrante de la paroi du boítier (13) au niveau de l'admission d'air (3) de la soufflante (2).
  8. Soufflante selon l'une des revendications 3 à 6 caractérisé en ce que la structure à buse annulaire (8) entoure la lumière principale de l'air de combustion au niveau de l'admission d'air (3).
  9. Soufflante selon l'une des revendications 1 à 8, caractérisé en ce que la structure à buse annulaire (8) est précédée par un canal d'entrée (14).
  10. Soufflante selon l'une des revendications 1 ou 9, caractérisé en ce que le bypass (9) débouche dans le canal d'entrée (14).
  11. Soufflante selon l'une des revendications 9 ou 10 caractérisé en ce que le bypass (9) débouche dans un interstice annulaire (15) à l'intérieur du canal d'entrée (14).
  12. Soufflante selon l'une des revendications 1 ou 11 caractérisé en ce qu'une vanne rotative/vanne de régulation (16) pour l'amenée de gaz fait partie intégrante du boítier (2).
  13. Soufflante selon la revendication 12 caractérisé en ce que la vanne rotative/vanne de régulation (16) pour l'amenée de gaz est intégrée du côté admission de la soufflante (2).
  14. Soufflante selon l'une des revendications 1 ou 13, caractérisé en ce que la commutation électronique du moteur se charge de l'évaluation du flux massique et procède à la régulation du régime moteur de la soufflante.
  15. Soufflante selon l'une des revendications 1 ou 13, caractérisé en ce que la commutation électronique du moteur se charge de l'évaluation du flux massique et procède à la régulation du régime moteur de la soufflante et de l'amenée du gaz.
EP02001432A 2001-03-23 2002-01-21 Ventilateur pour l'air comburant Expired - Lifetime EP1243857B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10114405A DE10114405B4 (de) 2001-03-23 2001-03-23 Gebläse für Verbrennungsluft
DE10114405 2001-03-23

Publications (2)

Publication Number Publication Date
EP1243857A1 EP1243857A1 (fr) 2002-09-25
EP1243857B1 true EP1243857B1 (fr) 2005-12-14

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Family Applications (1)

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EP02001432A Expired - Lifetime EP1243857B1 (fr) 2001-03-23 2002-01-21 Ventilateur pour l'air comburant

Country Status (3)

Country Link
EP (1) EP1243857B1 (fr)
CN (1) CN100464124C (fr)
DE (1) DE10114405B4 (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011102984A1 (de) * 2011-05-23 2012-11-29 Ernst Pennekamp Gmbh & Co. Ohg Vorrichtung zum Beheizen von Ofenanlagen für Waren, insbesondere für Glaswaren, sowie hiermit versehene Ofenanlage
US8839815B2 (en) 2011-12-15 2014-09-23 Honeywell International Inc. Gas valve with electronic cycle counter
US8899264B2 (en) 2011-12-15 2014-12-02 Honeywell International Inc. Gas valve with electronic proof of closure system
US8905063B2 (en) 2011-12-15 2014-12-09 Honeywell International Inc. Gas valve with fuel rate monitor
US8947242B2 (en) 2011-12-15 2015-02-03 Honeywell International Inc. Gas valve with valve leakage test
US9074770B2 (en) 2011-12-15 2015-07-07 Honeywell International Inc. Gas valve with electronic valve proving system
US9234661B2 (en) 2012-09-15 2016-01-12 Honeywell International Inc. Burner control system
US9557059B2 (en) 2011-12-15 2017-01-31 Honeywell International Inc Gas valve with communication link
US9995486B2 (en) 2011-12-15 2018-06-12 Honeywell International Inc. Gas valve with high/low gas pressure detection
US10024439B2 (en) 2013-12-16 2018-07-17 Honeywell International Inc. Valve over-travel mechanism
US10203049B2 (en) 2014-09-17 2019-02-12 Honeywell International Inc. Gas valve with electronic health monitoring
US10215291B2 (en) 2013-10-29 2019-02-26 Honeywell International Inc. Regulating device
US10564062B2 (en) 2016-10-19 2020-02-18 Honeywell International Inc. Human-machine interface for gas valve
US10697815B2 (en) 2018-06-09 2020-06-30 Honeywell International Inc. System and methods for mitigating condensation in a sensor module
US10851993B2 (en) 2011-12-15 2020-12-01 Honeywell International Inc. Gas valve with overpressure diagnostics
US11073281B2 (en) 2017-12-29 2021-07-27 Honeywell International Inc. Closed-loop programming and control of a combustion appliance

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DE102004055716C5 (de) 2004-06-23 2010-02-11 Ebm-Papst Landshut Gmbh Verfahren zur Regelung einer Feuerungseinrichtung und Feuerungseinrichtung (Elektronischer Verbund I)
US7922481B2 (en) * 2004-06-23 2011-04-12 EBM—Papst Landshut GmbH Method for setting the air ratio on a firing device and a firing device
EP2048439B1 (fr) 2007-10-12 2014-06-18 ebm-papst Landshut GmbH Ventilateur doté d'une soupape de régulation intégrée
US8286594B2 (en) * 2008-10-16 2012-10-16 Lochinvar, Llc Gas fired modulating water heating appliance with dual combustion air premix blowers
DE202010018511U1 (de) * 2010-03-10 2017-03-24 Ebm-Papst Landshut Gmbh Pneumatischer Verbund mit Massenausgleich
US9835265B2 (en) 2011-12-15 2017-12-05 Honeywell International Inc. Valve with actuator diagnostics
US9846440B2 (en) 2011-12-15 2017-12-19 Honeywell International Inc. Valve controller configured to estimate fuel comsumption
US10422531B2 (en) 2012-09-15 2019-09-24 Honeywell International Inc. System and approach for controlling a combustion chamber
US9841122B2 (en) 2014-09-09 2017-12-12 Honeywell International Inc. Gas valve with electronic valve proving system
DE102015109684B3 (de) * 2015-06-17 2016-09-01 Ebm-Papst Landshut Gmbh Düsenvorrichtung mit Staubabscheider und Verfahren zum Messen eines Luftmassenstromes
US10503181B2 (en) 2016-01-13 2019-12-10 Honeywell International Inc. Pressure regulator
DE102016118369A1 (de) * 2016-09-28 2018-03-29 Ebm-Papst Mulfingen Gmbh & Co. Kg Ansaugdüse und Ausblaseinheit eines Ventilators
EP3301362B1 (fr) * 2016-09-30 2020-03-25 Siemens Aktiengesellschaft Procédé de régulation d'écoulements turbulents
ES2760451T3 (es) 2016-09-30 2020-05-14 Siemens Mobility GmbH Unidad de combustión con quemador y dispositivo para medir el flujo de corrientes turbulentas

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011102984A1 (de) * 2011-05-23 2012-11-29 Ernst Pennekamp Gmbh & Co. Ohg Vorrichtung zum Beheizen von Ofenanlagen für Waren, insbesondere für Glaswaren, sowie hiermit versehene Ofenanlage
US9995486B2 (en) 2011-12-15 2018-06-12 Honeywell International Inc. Gas valve with high/low gas pressure detection
US8839815B2 (en) 2011-12-15 2014-09-23 Honeywell International Inc. Gas valve with electronic cycle counter
US8905063B2 (en) 2011-12-15 2014-12-09 Honeywell International Inc. Gas valve with fuel rate monitor
US8947242B2 (en) 2011-12-15 2015-02-03 Honeywell International Inc. Gas valve with valve leakage test
US10851993B2 (en) 2011-12-15 2020-12-01 Honeywell International Inc. Gas valve with overpressure diagnostics
US8899264B2 (en) 2011-12-15 2014-12-02 Honeywell International Inc. Gas valve with electronic proof of closure system
US9557059B2 (en) 2011-12-15 2017-01-31 Honeywell International Inc Gas valve with communication link
US9074770B2 (en) 2011-12-15 2015-07-07 Honeywell International Inc. Gas valve with electronic valve proving system
US10697632B2 (en) 2011-12-15 2020-06-30 Honeywell International Inc. Gas valve with communication link
US9234661B2 (en) 2012-09-15 2016-01-12 Honeywell International Inc. Burner control system
US10215291B2 (en) 2013-10-29 2019-02-26 Honeywell International Inc. Regulating device
US10024439B2 (en) 2013-12-16 2018-07-17 Honeywell International Inc. Valve over-travel mechanism
US10203049B2 (en) 2014-09-17 2019-02-12 Honeywell International Inc. Gas valve with electronic health monitoring
US10564062B2 (en) 2016-10-19 2020-02-18 Honeywell International Inc. Human-machine interface for gas valve
US11073281B2 (en) 2017-12-29 2021-07-27 Honeywell International Inc. Closed-loop programming and control of a combustion appliance
US10697815B2 (en) 2018-06-09 2020-06-30 Honeywell International Inc. System and methods for mitigating condensation in a sensor module

Also Published As

Publication number Publication date
DE10114405B4 (de) 2011-03-24
CN1737428A (zh) 2006-02-22
CN100464124C (zh) 2009-02-25
EP1243857A1 (fr) 2002-09-25
DE10114405A1 (de) 2002-09-26

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