EP1054214B1 - Appareil d'analyse, utilisant un appareil d'analyse et procédé de mesure de gaz de fumée - Google Patents

Appareil d'analyse, utilisant un appareil d'analyse et procédé de mesure de gaz de fumée Download PDF

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Publication number
EP1054214B1
EP1054214B1 EP00110599A EP00110599A EP1054214B1 EP 1054214 B1 EP1054214 B1 EP 1054214B1 EP 00110599 A EP00110599 A EP 00110599A EP 00110599 A EP00110599 A EP 00110599A EP 1054214 B1 EP1054214 B1 EP 1054214B1
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EP
European Patent Office
Prior art keywords
analyser
control
data
exhaust
regulation apparatus
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
EP00110599A
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German (de)
English (en)
Other versions
EP1054214A2 (fr
EP1054214A3 (fr
Inventor
Jörg Kammerer
Klaus Bott
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.)
Siemens Building Technologies AG
Original Assignee
Siemens Building Technologies AG
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 Siemens Building Technologies AG filed Critical Siemens Building Technologies AG
Priority to DK00110599T priority Critical patent/DK1054214T3/da
Publication of EP1054214A2 publication Critical patent/EP1054214A2/fr
Publication of EP1054214A3 publication Critical patent/EP1054214A3/fr
Application granted granted Critical
Publication of EP1054214B1 publication Critical patent/EP1054214B1/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
    • 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
    • F23N5/003—Systems for controlling combustion using detectors sensitive to combustion gas properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/04—Measuring pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/08—Measuring temperature
    • F23N2225/10—Measuring temperature stack temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/26—Measuring humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/20—Calibrating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe
    • F23N2231/20—Warning devices
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/16—Fuel valves variable flow or proportional valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/26—Details

Definitions

  • the present invention relates to an analysis device for incineration plants according to claim 1
  • the invention further relates to the use of an analysis device for incinerators as well a method for measuring flue gases using an analyzer according to the independent Claims.
  • incinerators are from EP 0 751 350 A. and known from US 5 010 322 A.
  • Such analysis device for incinerators and the use of an analysis device are already known for different purposes and applications.
  • flue gas measuring devices which system parameters such as temperature, O 2 , CO 2 , CO content, etc. can measure.
  • These measuring devices are used to set heating systems.
  • These devices have input buttons, a display, possibly a printer and, in addition to the measurement inputs mentioned above, interfaces with which the data obtained can be transferred to a printer or a computer.
  • the fitter or chimney sweep can use these measuring devices to carry out the necessary measurements in the heating system's exhaust system.
  • C when t ⁇ ⁇ ) are reached and the measuring probes can be optimally placed. Stable combustion is still required so that the sensors used are not destroyed by incompletely burned parts of the fuel-air mixture. To do this, the heating system is put into operation and the fitter or chimney sweep must wait until there is stable combustion. Only then can the smoke gas measurement be started.
  • the burner settings are optimized Measurement of values from the control device of the burner, a so-called Automatic burner controls can be obtained. To be able to take these measurements, the burner control can be partially opened or rewired. Among other things, are measured the mains voltage with a voltmeter, the sensor current of the flame sensor with a micro-ampere meter or voltmeter and the program times or flame formation time with a stopwatch. From the values of mains voltage and sensor current determined one after the other, a statement about the sensor current at normal mains voltage, this statement being made in terms of time Distance was measured and other fluctuations occurred during this period Interferences such as. the mains voltage is very imprecise.
  • Automatic furnaces for small and medium-sized burners generally do not have displays Show information about malfunctions of the burner control, but only simple Status displays, mostly light emitting diodes or glow lamps. More elaborate displays are made Cost reasons omitted. Newer burner controls are known to have data on one Additional device with display to transmit, the communication via any serial Interface, e.g. via an infrared interface. Can on the display Information about the burner control or about faults in the burner control as Numeric code or in plain text.
  • a fitter or chimney sweep therefore needs service, maintenance and commissioning from Incinerators of the type described above several devices to do the appropriate work the measurements take a lot of time and are sometimes very imprecise. This increases the Effort and thus the cost of such a process.
  • an exhaust gas analyzer has become known, which has a Infrared interface Receive data from a burner control and evaluate it in the analyzer and can visualize on the display device.
  • the analyzer has two modes, one Exhaust gas analysis mode and a data evaluation mode. The analyzer thus only serves as Display for the data output from the burner control.
  • the present invention has for its object an analyzer, its use and Provide methods for measuring flue gases by means of an analysis device, which is simple and allow inexpensive maintenance, service and commissioning of incineration plants.
  • the essence of the invention is thus that means for joint processing of the data in the analysis device the data transmitted to the control and regulating device and the data determined from the exhaust system are arranged.
  • the 1 shows a control and regulating device 1, a so-called burner control, for one Burner 2.
  • the fuel is supplied to the combustion chamber 4 via a fuel line 3, the Amount of fuel is controlled by the control and regulating device 1 by means of an actuator 5.
  • the burner 2 is a gas burner, then the actuator 5 is a flap, the position of which is the gas flow controls.
  • the actuator 5 is an oil pressure regulator.
  • One by one Motor 6 driven fan 7 feeds air into the combustion chamber 4.
  • the fuel-air mixture burned and the flue gases discharged via an exhaust system 8.
  • an analysis device for combustion systems 9 a so-called flue gas analysis device
  • the flue gases are measured in the exhaust system with regard to their composition, as well as the temperature and pressure via lines 10, 11 and specific sensors, not shown, and evaluated in the analysis device 9.
  • the sensors for measuring flue gases such as O 2 , CO 2 and CO can be arranged in the analyzer 9 or outside the analyzer.
  • the flue gases are usually drawn out of the exhaust system via a hose and fed to the sensor. This information obtained in this way from the exhaust system can be shown on a display of the analysis device or output to a printer or computer 12 and processed further via an output unit.
  • the analysis device 9 is connected to the burner control unit 1 via a communication line 13.
  • the data can be transferred from the automatic firing device to the analysis device via any interface, for example via an optical interface arranged on the automatic firing device 1.
  • the sequential optical information output via the optical interface can be converted into the signal level of a serial interface of the analysis device by means of a scanning device (not shown).
  • the signals from the burner control are then processed further in the flue gas analyzer.
  • special programs are provided in the analyzer, which convert the signals from the burner control into corresponding displays on the display of the analyzer and can process the data supplied by the burner control. Fault messages, input and output states of the burner control, identifier, commissioning counter, service counter, mains voltage, flame intensity, respectively flame current, flame formation time, program phase, etc.
  • the burner control unit 1 can be transferred from the burner control to the analysis device.
  • This information is evaluated and processed in the analyzer, in particular shown in plain text on the display. Since the information from the burner control unit 1 and the information from the exhaust system 8 are now recorded in a device 9, this allows this information to be processed in the analysis device 9 at the same time and the measurement accuracy and the analysis accuracy to be decisively increased. Furthermore, by measuring all specific data, such as pressure, temperature, humidity, O 2 , CO, CO 2 , NO x , of the incineration plant, the measurement effort is reduced and thus the costs are reduced. Furthermore, the processing of all specific data of the incineration plant in a device 9 allows precise statements about the overall condition of the plant and, in the event of faults, about the exact cause of the fault. Due to the precise determination of the cause of the fault, only the components that are really defective and no longer have to be replaced as usual, several assemblies, such as the burner control and the fuel valve.
  • the measurement of the flue gases in the exhaust system can be done by processing the data together Analyzer can be automated.
  • the information about the Combustion won and if there is stable combustion i.e. if e.g. the Flame flow is within certain limits, or a certain minimum time since the emergence Flame has passed or a certain boiler temperature has been reached, the flue gases measured. If the state of the combustion changes during the measurement and becomes unstable, the measurement of the flue gases can be interrupted immediately by the analyzer. This allows a reliable measurement of the flue gases without the sensors being burned by insufficient Flue gases are damaged, which increases the life of the sensors. At the same time Long-term measurement of the flue gases is possible using this method, e.g. over several days without that a technician or chimney sweep must monitor the measurement on site. This allows long-term statements about the condition of the incineration plants and thus also an improved analysis the condition of the system.
  • the controller 14 may be a boiler controller that controls the temperature, pressure of a heating system (not shown) that is heated by the combustion in the combustion chamber. If the pressure or the temperature in the heating system rises above a certain predetermined value, the controller 14 passes this information on to the automatic firing device via line 15, whereby the automatic firing device interrupts the combustion.
  • the information passed on from the controller 14 to the automatic firing device 1 can likewise be transmitted via line 13 to the analysis device and processed there. If the communication takes place bidirectionally via line 15, the information from the burner control can also be passed on to controller 14 via line 15 and to the analysis device via line 16.
  • the line 13 can be omitted and the communication between the automatic burner control and the analysis device takes place with the intermediary of the controller 14.
  • the controller 14 can, for example, also be an electrical compound controller which controls the actuator 5 and the motor 6, which is shown in broken lines in FIG.
  • the communication between the burner control unit and the analysis device can of course also take place with the inclusion of controllers / devices not mentioned further, in which case the information contained in the devices can also be passed on to the analysis device.
  • the lines 13, 15, 16 can be configured as desired, so the communication can take place unidirectionally or bidirectionally by means of a point-to-point interface as well as via a bus interface.
  • controllers and analyzer By combining controllers and analyzer, data exchange between the controllers and analysis device and the joint processing of data in the analysis device can be a Numerous advantageous designs and improvements compared to conventional devices achieve.
  • the combustion process can be performed by measuring exhaust gas values and automatically Setting the electrical network can be optimized.
  • the flue gas analyzer measures that Oxygen concentration in the flue gas and gives corresponding control commands to the burner controls or the electrical connection.
  • the Automatic burner control unit By measuring the flue gas from the flue gas analyzer, the Automatic burner control unit at every working point adjust the air size until an optimal one There is combustion at every working point.
  • the connection between the flue gas analyzer and Automatic burner control can be done by bidirectional communication.
  • the combustion process can also be optimized with regard to the mechanical bond.
  • at Single or two-stage burners can set the primary air manually via the specifications of the Analyzer or done automatically via motor adapter. This process is not straightforward in connection with the burner control, but can be measured by the flame intensity and the time of the flame formation are sensibly supplemented.
  • the joint processing of data in the analyzer can be used to determine the Fuel consumption can be used via the burner control. This for example by means of a electric fuel flow meter or by determining the fuel pressure, the nozzle size and calculation over the burner runtime and evaluation / logging over the Flue gas analyzer. Through the annual exhaust gas analysis, an energy balance over the Heating system are made taking into account consumption and efficiency.
  • the optimal pre-ventilation time can be determined using the flue gas analyzer at the system service, taking into account the relevant parameters such as the O 2 content of the flue gas, stability of the combustion chamber pressure etc. This can save until the next check, taking into account the existing safety regulations.
  • the joint processing of data in the analyzer can be used to determine the optimal Interval time between the first and second burner stage or between the first burner stage to can be used to enable the controller.
  • the combustion chamber pressure can be used to determine the time until the flame intensity and the furnace pressure has reached constant values. The stability of the combustion of a plant can thus be checked effectively. This time can be from the analyzer in the machine at a bidirectional interface for storage.
  • the joint processing of data in the analyzer can be used to identify critical boilers / burners Maps and how to avoid them by setting the Automatic burner controls / controllers are used. This prevents the thermodynamics between the burner flames and the boiler geometry Resonance phenomena with poorer combustion, strong noise and shortened Lifetime of the boiler due to mechanical stress.
  • Analysis values of the flue gas analyzer can be saved in the burner control or controller become. These values are used to determine the quality and potential for improvement Burner or a heating system and there should also be previous analysis values be taken into account. By storing the values on site in the burner control or controller the paper protocols used today or the values stored in the analyzer are not needs more, which is advantageous because they are easily lost. The values can be changed at any time Plant can be accessed and are independent of a particular analyzer. A comparison The measured values of the chimney sweep with the last measured values of the service engineer can affect the quality improve your own measurements.
  • the joint processing of data in the analyzer can be used to determine the Flame time and flame intensity of the burner used to be at different Service corridors to be able to recognize deviations / drift.
  • the flame formation time represents one important parameter when evaluating a burner. Based on the flame formation time and their scattering can determine the quality of the fuel mixing and readiness for ignition. This measure can be combined or supplemented with the next one Flame intensity and the additionally determined exhaust gas values when evaluating a burner or a boiler.
  • the flue gas analyzer can also replace existing parameterization devices for burners and Boiler systems can be used.
  • Existing boiler systems with integrated digital controllers require the parameterization of many individual parameters for optimal setting. For setting these parameters require special tools today. However, these tools are complex and therefore also relatively expensive.
  • the parameterization tools for burners and boiler systems can be integrated into existing smoke gas analyzers with sufficient display and control elements. This will A higher availability for heating and service technicians is achieved, since this only takes one instead have to carry two service devices. Further system parameters can already be found in the existing customer databases of the flue gas analysis devices are saved. The parameter data and exhaust gas readings can thus be stored in a database for better To be able to perform optimization. Such an optimization could show that a Reduction of the min. Boiler output reduces the number of burner starts by 10%, or that by one Reduction of the max. Boiler output the max. Exhaust temperature is reduced by 20.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Incineration Of Waste (AREA)

Claims (11)

  1. Appareil d'analyse (9) pour installations de combustion, l'installation de combustion comprenant un appareil de commande et de réglage (1), des amenées de combustible et d'air (3, 5, 6, 7), une chambre de combustion (4) et un système de gaz d'échappement (8), et des données des gaz de fumée dans le système de gaz d'échappement étant déterminées dans l'appareil d'analyse, des moyens de transmission de données étant disposés entre l'appareil de commande et de réglage (1) et l'appareil d'analyse (9),
    caractérisé en ce que
    des moyens pour le traitement conjoint des données transmises au départ de l'appareil de commande et de réglage (1) et des données déterminées au départ du système de gaz d'échappement (8) sont disposés dans l'appareil d'analyse (9).
  2. Appareil d'analyse (9) pour installations de combustion selon la revendication 1,
    caractérisé en ce que
    des moyens pour le traitement de données provenant d'au moins un autre régulateur (14) sont disposés dans l'appareil d'analyse (9).
  3. Appareil d'analyse (9) pour installations de combustion selon la revendication 1 ou 2,
    caractérisé en ce que
    des paramètres de l'installation de combustion et/ou de l'appareil d'analyse (9) et/ou de l'appareil de commande et de réglage (1) et/ou du régulateur (14) peuvent être réglés par les données traitées.
  4. Appareil d'analyse (9) pour installations de combustion selon l'une des revendications précédentes,
    caractérisé en ce que
    la mesure des gaz de fumée dans le système de gaz d'échappement (8) est commandable par les données transmises au départ de l'appareil de commande et de réglage (1).
  5. Appareil d'analyse (9) pour installations de combustion selon l'une des revendications précédentes,
    caractérisé en ce que
    les données obtenues dans l'appareil d'analyse peuvent être mises en mémoire dans l'appareil de commande et de réglage (1 ) et/ou dans le régulateur (14).
  6. Utilisation d'un appareil d'analyse (9) pour installations de combustion pour l'optimisation de la combustion, et plus particulièrement de l'émission de substances nocives, l'installation de combustion comprenant un appareil de commande et de réglage (1), des amenées de combustible et d'air (3, 5, 6, 7), une chambre de combustion (4) et un système de gaz d'échappement (8), et des données des gaz de fumée dans le système de gaz d'échappement étant déterminées dans l'appareil d'analyse et transmises de l'appareil de commande et de réglage (1 ) à l'appareil d'analyse (9),
    caractérisée en ce que
    les données transmises au départ de l'appareil de commande et de réglage (1) sont traitées conjointement avec les données déterminées au départ du système de gaz d'échappement (8) dans l'appareil d'analyse.
  7. Utilisation d'un appareil d'analyse (9) pour installations de combustion selon la revendication 6,
    caractérisée en ce que
    des paramètres de l'installation de combustion et/ou de l'appareil d'analyse (9) et/ou de l'appareil de commande et de réglage (1) et/ou du régulateur (14) peuvent être réglés par les données traitées.
  8. Utilisation d'un appareil d'analyse (9) pour installations de combustion selon la revendication 6 ou 7,
    caractérisée en ce que
    la mesure des gaz de fumée dans le système de gaz d'échappement (8) est commandée par les données transmises au départ de l'appareil de commande et de réglage (1 ).
  9. Utilisation d'un appareil d'analyse (9) pour installations de combustion selon la revendication 8,
    caractérisée en ce que
    la mesure des gaz de fumée dans le système de gaz d'échappement (8) est commandée par les données transmises au départ de l'appareil de commande et de réglage (1) de manière telle que les gaz de fumée ne sont mesurés que dans le cas d'états de combustion stable.
  10. Procédé de mesure de gaz de fumée au moyen d'un appareil d'analyse (9) pour installations de combustion, l'installation de combustion comprenant un appareil de commande et de réglage (1 ), des amenées de combustible et d'air (3, 5, 6, 7), -une chambre de combustion (4) et un système de gaz d'échappement (8), et des données des gaz de fumée dans le système de gaz d'échappement étant déterminées dans l'appareil d'analyse et transmises de l'appareil de commande et de réglage (1 ) à l'appareil d'analyse (9),
    caractérisé en ce que
    les données sont traitées dans l'appareil d'analyse (9) et en ce que la mesure des gaz de fumée dans le système de gaz d'échappement (8) est commandée au moyen des données transmises au départ de l'appareil de commande et de réglage (1).
  11. Procédé de mesure de gaz de fumée selon la revendication 10,
    caractérisé en ce que
    la mesure des gaz de fumée dans le système de gaz d'échappement (8) est commandée par les données transmises de l'appareil de commande et de réglage (1) à l'appareil d'analyse (9) de manière telle que les gaz de fumée ne sont mesurés que dans le cas d'états de combustion stable.
EP00110599A 1999-05-21 2000-05-18 Appareil d'analyse, utilisant un appareil d'analyse et procédé de mesure de gaz de fumée Expired - Lifetime EP1054214B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK00110599T DK1054214T3 (da) 1999-05-21 2000-05-18 Analyseapparat, anvendelse af et analyseapparat samt fremgangsmåde til måling af röggasser

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH95499 1999-05-21
CH95499 1999-05-21

Publications (3)

Publication Number Publication Date
EP1054214A2 EP1054214A2 (fr) 2000-11-22
EP1054214A3 EP1054214A3 (fr) 2002-06-26
EP1054214B1 true EP1054214B1 (fr) 2004-12-22

Family

ID=4199046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00110599A Expired - Lifetime EP1054214B1 (fr) 1999-05-21 2000-05-18 Appareil d'analyse, utilisant un appareil d'analyse et procédé de mesure de gaz de fumée

Country Status (4)

Country Link
EP (1) EP1054214B1 (fr)
AT (1) ATE285547T1 (fr)
DE (2) DE19950651A1 (fr)
DK (1) DK1054214T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009039760A1 (de) * 2009-04-17 2010-11-25 Sohn, Brigitte Gerät zur Überwachung einer Heizanlage
CN102262000B (zh) * 2010-05-28 2016-03-09 中国市政工程华北设计研究总院 确定燃气具燃烧特性的测试实验系统
EP3130852A1 (fr) * 2015-08-08 2017-02-15 Testo AG Procede de reglage d'une installation de chauffage, appareil de mesure de gaz d'echappement et systeme de reglage

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010322A (en) * 1987-08-12 1991-04-23 Gas Research Institute Housing for a process controller
DE3923773A1 (de) * 1988-07-20 1990-03-01 Vaillant Joh Gmbh & Co Verfahren zum steuern und ueberwachen eines brennstoffbeheizten geraetes unter verwendung zumindest eines mikrocomputersystems und vorrichtung zur durchfuehrung des verfahrens
AT400484B (de) * 1990-01-25 1996-01-25 Vaillant Gmbh Regel- und steuersystem für einen vorzugsweise gasbeheizten wassererhitzer
EP0615095B1 (fr) * 1993-03-11 1997-05-07 Landis & Gyr Technology Innovation AG Commande de brûleur
DE19523817A1 (de) * 1995-06-29 1997-01-02 Elco Kloeckner Heiztech Gmbh Feuerungsanlage sowie Verfahren zum Regeln, Steuern und/oder Überwachen einer Feuerungsanlage
DE59705872D1 (de) * 1996-10-23 2002-01-31 Vaillant N V Steuer- und Ueberwachungseinrichtung für ein brennstoffbeheiztes Heizgerät
DE29900588U1 (de) 1999-01-15 1999-04-01 Satronic Ag Abgas-Analysegerät

Also Published As

Publication number Publication date
ATE285547T1 (de) 2005-01-15
DE19950651A1 (de) 2000-11-23
EP1054214A2 (fr) 2000-11-22
DE50008993D1 (de) 2005-01-27
DK1054214T3 (da) 2005-02-14
EP1054214A3 (fr) 2002-06-26

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