EP1798470B1 - Dispositif de chauffage et son procédé de fonctionnement - Google Patents

Dispositif de chauffage et son procédé de fonctionnement Download PDF

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Publication number
EP1798470B1
EP1798470B1 EP05027165A EP05027165A EP1798470B1 EP 1798470 B1 EP1798470 B1 EP 1798470B1 EP 05027165 A EP05027165 A EP 05027165A EP 05027165 A EP05027165 A EP 05027165A EP 1798470 B1 EP1798470 B1 EP 1798470B1
Authority
EP
European Patent Office
Prior art keywords
burner
exhaust gas
radiant heat
heat pipe
heating 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.)
Not-in-force
Application number
EP05027165A
Other languages
German (de)
English (en)
Other versions
EP1798470A1 (fr
Inventor
Bernd H. Schwank
Konrad Weber
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.)
Schwank GmbH
Original Assignee
Schwank 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
Priority to EP05027165A priority Critical patent/EP1798470B1/fr
Application filed by Schwank GmbH filed Critical Schwank GmbH
Priority to AT05027165T priority patent/ATE388374T1/de
Priority to PL05027165T priority patent/PL1798470T3/pl
Priority to DE502005003135T priority patent/DE502005003135D1/de
Priority to CA2571126A priority patent/CA2571126C/fr
Priority to US11/637,620 priority patent/US8475163B2/en
Publication of EP1798470A1 publication Critical patent/EP1798470A1/fr
Application granted granted Critical
Publication of EP1798470B1 publication Critical patent/EP1798470B1/fr
Priority to US13/932,746 priority patent/US20140011140A1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F23D14/12—Radiant burners
    • F23D14/151—Radiant burners with radiation intensifying means other than screens or perforated plates
    • 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
    • F24H9/00—Details
    • F24H9/0052—Details for air heaters
    • F24H9/0057—Guiding means
    • F24H9/0068—Guiding means in combustion gas channels
    • 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 
    • F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
    • F23C3/002—Combustion apparatus characterised by the shape of the combustion chamber the chamber having an elongated tubular form, e.g. for a radiant tube
    • 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 
    • F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
    • 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
    • F23D14/12—Radiant burners
    • F23D14/126—Radiant burners cooperating with refractory wall surfaces
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/305—Control of valves
    • F24H15/31—Control of valves of valves having only one inlet port and one outlet port, e.g. flow rate regulating valves
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/345—Control of fans, e.g. on-off control
    • F24H15/35—Control of the speed of fans
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/36—Control of heat-generating means in heaters of burners
    • 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
    • F24H3/00—Air heaters
    • F24H3/006—Air heaters using fluid fuel
    • 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
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
    • F24H9/2085—Arrangement or mounting of control or safety devices for air heaters using fluid fuel

Definitions

  • the invention relates to a heating device comprising at least one burner for the combustion of a particular gaseous energy carrier, at least one subsequent to the burner radiant tube, at least one in the radiant tube a negative pressure or overpressure generating blower and at least one exhaust gas recirculation device with at least one exhaust gas recirculation line, via the one when the combustion of the primary energy carrier resulting exhaust gas from the radiant tube in a transition region from the burner is in the radiant tube traceable.
  • the invention further relates to a method for operating a Walkerungsvonichtung in which burned in at least one burner, in particular a gaseous energy source and in at least one adjoining the burner radiant tube, a flame is generated, which heats the radiant tube in which in the at least one radiant tube over a blower, a negative pressure or an overpressure is generated and in the resulting during combustion of the energy source exhaust gas is returned via at least one exhaust gas recirculation device with at least one Abgas Weg 1500weiturlg from the radiant tube in a transition region from the burner in the radiant tube.
  • a heater and such a method are out US 3,399,833 known.
  • Heating devices of the type mentioned which are also known as a dark radiator, are heat generators that are operated with gaseous or liquid fuels and are preferably used for heating larger spaces, for example for heating industrial or commercial buildings.
  • these heating devices consist of a radiant tube to which a burner and a fan are connected.
  • the blower may be disposed on the input side of the burner so that the blower operates oppressively.
  • the fan may be arranged on the output side of the radiant tube, wherein the output side of the radiant tube, the end of the radiant tube is soft remote from the burner.
  • the blower works in this alternative as exhaust fan and sucks in the the combustion of the gaseous or liquid fuels resulting and introduced into the radiant tube exhaust gases from.
  • the radiant tube can have a linear, curved or single or multiple angled shape and consist of several segments, wherein the radiant tube usually has a reflector housing, which conducts a radiant heat radiation from the radiant tube in a direction provided.
  • the reflector housing is arranged on an upper, the ceiling facing side of the radiant tube to the heat radiation targeted in a lower space area, such as a residence zone for people, animals and / or To direct plants.
  • the heat transfer of a generic, to be designated as a dark heater heating device to a room to be heated is predominantly by infrared radiation.
  • the burner produces a long flame within the radiant tube, which can be several meters long depending on the fuel and load.
  • the exhaust gases generated during the combustion of the fuel are conveyed by the fan through the radiant tube and finally fed to an exhaust pipe, which is usually connected to the burner end remote from the radiant tube. Via the exhaust pipe, the exhaust gases are discharged directly or indirectly with the room ventilation from an upper ceiling area of the building.
  • the heated by the flame and the exhaust heat radiant tube emits heat radiation of a certain wavelength range, which penetrate the space to be heated almost lossless as electromagnetic waves and only when hitting absorbent surfaces, such as parts of buildings, such as walls and soil, furnishings or people, animals, plants are converted into sensible heat.
  • a generic heating device in the form of a dark radiator therefore works very energy efficient in large spaces.
  • a heating device designed as a radiant heater which has a gas-fired burner, a radiant tube connected thereto and an exhaust fan in a housing.
  • the radiant tube is formed as a closed pipe system and has a U-shaped configuration.
  • the exhaust fan generates within the pipe system a negative pressure, which is to allow a very long, the interior of the radiant tube uniformly passing flame and a removal of the exhaust gases.
  • EP 0 282 838 B1 a gas-fired radiant heater having a radiant tube as a combustion chamber and a burner which is connected to one end of the radiant tube. At the opposite end of the radiant tube, a fan is connected, which sucks the exhaust gases from the radiant tube.
  • the radiant tube is U-shaped and arranged in a housing.
  • Another heating device is out of the DE 91 03 004 U1 known, which has a connected to a pressure and mixing chamber housing radiant tube.
  • the radiant tube is connected on the one hand to a return flow chamber with a fan and on the other hand to a mixing chamber with a flame tube surrounding a burner.
  • the pressure and mixing chamber housing is designed like a twin screw, with two cylinder-like parts forming the housing and a front and back plate having the twin screw shape.
  • a flap is arranged, which is adjustable in position. With this flap, an adjustment of the air flow and the pressure conditions to different lengths of the radiant tube performed.
  • the fan has an adjustable speed of its impeller to adjust the volume flow of the exhaust gases sucked to different lengths of the radiant tube.
  • a generic gas-fired heating device is further from the DE 92 07 513 U1 known, which has a U-shaped radiant tube, the upstream part of a burner upstream and arranged at the downstream portion of a suction fan.
  • the suction fan has at its outlet side to a bypass line which is connected upstream of the radiant tube and through which a part of the exhaust gases are introduced into the upstream region of the Schustrahlrvhres, wherein in the upstream region of the radiant tube, a flame is generated by the burner.
  • this heating device that 15 to 30 vol .-% of the exhaust gases are passed through the bypass line and that the bypass line can be throttled to adjust the amount of exhaust gas on the configuration of the heating device, in particular to the length of the radiant tube, so that regardless of Burner differently shaped, in particular with regard to the length of the radiant tube variable heating devices can be formed and operated in the preferred efficiency.
  • Heating devices of the embodiments described above are operated predominantly in an on / off operation, in which the burner is either on or off, so that either a preset power output or no power output takes place.
  • the operation of this heating device is determined in particular by the intended heat distribution in the room to be heated and the pollutant concentration of the exhaust gases.
  • the heating device Since the heating device is usually designed for the maximum heat demand of the room to be heated at lowest outdoor temperatures, it comes with fluctuating temperatures during an annual heating period to a cyclic operation of the heating device. This results in loss of comfort due to fluctuations in the room temperature and resulting energy losses of the building, which usually have to be compensated by elaborate insulation measures.
  • the heating device and its components are subject by the cyclic operation with frequent heating and cooling processes a relatively high load and thus an increased wear of the components.
  • a power adjustment by a multi-stage or continuously modulating operation of the heating device is not easily controlled by tight physical limits. If, for example, the gas load is reduced without adjusting the air flow rate, higher air surpluses and, thus, higher exhaust gas losses of the heating device tend to occur. Furthermore, the flame length is shortened considerably by a high excess of air, so that there is also a deteriorated heat distribution within the radiant tube and thus a less favorable radiation distribution in the room to be heated.
  • the gas delivery also reduces the air delivery rate, undesirable condensation occurs due to the large heat transfer surfaces and the high heat capacities of the heating device. Furthermore, the design of the required air deficiency protection elaborate.
  • the invention has the object , a heating device of the generic type and a method for their operation further develop such that a power adjustment of the heating device without the disadvantages described above in a structurally simple manner is possible, with optimal thermal distribution and thus a high thermal comfort in the room to be heated with low energy losses achieved in all performance areas with low exhaust gas losses and significantly reduces the pollutant concentration of the exhaust gases while avoiding unwanted condensation effects, so that significantly extends the life of the heating device according to the invention becomes.
  • the solution to this problem is achieved in a heating device according to the invention characterized in that the exhaust gas recirculation device is controlled in response to the power levels of the burner such that the volume flow of the recirculated exhaust gas is reduced with increasing power level of the burner.
  • the exhaust gas recirculation device is controlled in response to the power levels of the burner such that the volume flow of the recirculated exhaust gas is reduced with increasing power level of the burner.
  • the volume flow of the recirculated exhaust gases for example be regulated by means of a designed as a flow control device actuator, which in an exhaust gas recirculation device between a fresh air line, with a in the Usually low pressure level and arranged at the end remote from the burner of the radiant tube exhaust pipe is arranged with a generally higher pressure level.
  • the actuator can be controlled, for example, electrically and simultaneously with a signal for lowering the power of the burner.
  • the fan is arranged on the input side of the burner, so that both the fresh air required for the combustion, as well as recirculating exhaust gases are pressed into the burner and thus into the downstream radiant tube.
  • a suction line for sucking the fresh air from the room or by means of a roof duct from the outside is arranged. In the intake pipe there is a slight negative pressure relative to the atmosphere.
  • the arranged at the end of the radiant tube exhaust pipe is used to dissipate the exhaust gases, for example, a roof of the building to be heated.
  • this exhaust pipe there is a slight overpressure to the atmosphere.
  • a short temperature-resistant connecting line is arranged, which has as an actuator, for example, an electric motor driven and, for example, thermally controlled exhaust flap.
  • the gas-fired burner contains in the preferred embodiment, a two- or multi-stage solenoid valve for the supply of fuel whose stages are controlled by a room temperature controller depending on the heat demand.
  • a larger volumetric flow of the exhaust gases of, for example, 20 to 60 vol% of the available exhaust gas in the radiant tube, for example, via the fresh air line of the burner is returned by opening the VolumensiromregelINA, such as the exhaust flap in AbgasffickInstituteinchtcht in the fan the fresh air mixed and fed to the burner and / or the radiant tube.
  • the flame length would decrease drastically in the smaller power stage due to the high excess air, so that in the radiant tube deteriorated heat distribution and higher exhaust gas losses would arise.
  • Due to the inventive performance-dependent exhaust gas recirculation is extended by the addition of exhaust gas due to the lower local oxygen supply, the flame at a reduced flame temperature and achieved a very favorable heat distribution with reduced radiant power.
  • the exhaust gas recirculation in the smaller power level also the exhaust gas losses of the burner compared to the higher power level are kept constant or even further reduced.
  • the output of nitrogen oxides of the burner is significantly reduced due to the reduced combustion temperature and the lower oxygen partial pressure in the flame in the smaller power stage. Over a whole heating period, the pollutant load can be reduced by up to 50%, depending on the exhaust gas admixture rate.
  • the exhaust gas recirculation device preferably has a volume flow control device for the volume flow of the recirculated exhaust gas.
  • the volume flow control device may be formed, for example, as a bypass valve, which is inserted into an exhaust gas recirculation line and controllable with respect to its passage.
  • the volume flow control device controls the power, in particular the speed of the blower, so that, for example, an increase in the speed of the blower, a larger volume flow sucked exhaust gas and the radiant tube is supplied.
  • the Volumenstromragel boots comprises a flap and / or a slider which is arranged in the exhaust gas recirculation line and closes at a certain power of the burner.
  • the above-described volume flow control devices may also be provided in combination, with a combination of a speed control of the blower and a volume flow control device in the form of a bypass valve or a flap and / or a slide has proven to be advantageous.
  • the exhaust gas recirculation device is activated in one power level and deactivated in another power level.
  • the exhaust gas recirculation device is deactivated in the higher of the two power levels of the burner, while the exhaust gas recirculation device is activated in the lower of the two power levels of the burner to return a pre-determined volume flow of exhaust gas in the radiant tube.
  • the fan can be arranged both at one end of the radiant tube opposite the burner or together with the burner at one end of the radiant tube. If the blower is arranged at an end of the radiant tube opposite the burner, the blower generates a negative pressure in the radiant tube, so that the exhaust gases are sucked off and then optionally returned to the end of the radiant tube in the area of the burner. If the fan is arranged with the burner at one end of the radiant tube, the fan generates an overpressure in the region of the radiant tube, wherein the blower is then provided both for the supply of fresh air and for the supply of the exhaust gas to be recirculated.
  • a heating device according to the invention is formed with correspondingly long radiant tubes with two fans, of which a fan is arranged at an opposite end of the burner radiant tube and a fan with the burner at one end of the radiant tube.
  • At least two radiant tubes are arranged in opposite directions and each having a burner, wherein the radiant tubes each have an exhaust gas recirculation device are introduced via the exhaust gases in the respective oppositely disposed radiant tube.
  • the radiant tubes are generally formed linearly, wherein the two burners are arranged at diametrically opposite ends of the radiant tubes, so that the free end of the first radiant tube is disposed in the region of the end of the second Schustrahubehres, at the second Radiant tube of the burner is mounted.
  • the exhaust gas recirculation device of the first radiant tube is arranged, via which the exhaust gas generated by the burner of the first radiant tube is introduced into the region between the burner and the second radiant tube.
  • the end of the second radiant tube which is arranged in the region of the end with the burner of the first radiant tube and also has an exhaust gas recirculation device via which the exhaust gas of the second radiant tube in the area is introduced between the burner and the first radiant tube in the first radiant tube.
  • this embodiment of a heating device without a power-dependent introduction of the exhaust gases in the corresponding radiant tubes is functional.
  • a performance-dependent recirculation of the exhaust gases is beneficial.
  • both radiant tubes are aligned parallel to each other.
  • both radiant tubes are arranged in a common housing, so that both radiator pipes directed via a common reflector, the heat energy directed into the room to be heated.
  • the two parallel aligned radiant tubes are arranged in underschiadlichen housing, each having a reflector, the reflectors can be aligned in different directions to allow targeted heat dissipation of the radiant tubes in different areas.
  • a further embodiment of this advantageous embodiment of the heating device according to the invention provides that the exhaust gas recirculation devices are controllable in dependence on the power of the burner of the counter-rotating radiant tube.
  • the exhaust gas recirculation devices of the counter-rotating radiant tubes are independently controllable.
  • the exhaust gas recirculation device has a measuring element with which parameters such as temperature, exhaust gas values, volume flow or the like are measured and used to control the exhaust gas recirculation device. If, for example, an impermissible exhaust gas value is determined via such a measuring element, then the exhaust gas recirculation devices can be influenced for a short time independently of the power level be in order to convert the required parameters such as temperature, exhaust gas emissions, flow or the like in a preset range, which allows optimum operation of the heating device according to the invention.
  • volume flow control device can be controlled electrically and / or thermally.
  • An electrical control of the Volumenstromregeleiridchtung leads to a structurally simple embodiment of the exhaust gas recirculation device and allows the simultaneous control of the power levels of the burner and the exhaust gas recirculation device.
  • a thermal switching element moreover, time-delayed circuits can be provided, which are triggered only when reaching a predetermined temperature in the exhaust stream or in the radiant tube.
  • the volume flow control device can be controlled simultaneously with a power control device of the burner.
  • FIG. 1 a first embodiment of a heating device is shown in a perspective view.
  • the heating device consists of a burner 1 for the combustion of a particular gaseous energy carrier.
  • the burner 1 is flanged end to a radiant tube 2 and generated within the radiant tube 2 in the combustion of the energy carrier, a flame which extends into the radiant tube 2.
  • the linearly embodied radiant tube 2 is arranged in a housing 3, which is trapezoidal in cross-section and has an opening through which heat radiation can escape, which is generated by the radiant tube 2.
  • the housing 3 has on its inner surface, not shown, a reflector, which supports the radiation of the heat radiation.
  • the burner 1 is preceded by a fan 7, which is formed in the illustrated embodiment as a radial fan. About the fan 7 is through the Burner 1 conveyed fresh air for combustion in the radiant tube 2 in the radiant tube 2, wherein the blower 7 is connected to a fresh air line 8.
  • an exhaust gas recirculation device 9 is arranged, which consists of an exhaust gas recirculation line 10 and a volume flow carrier 11.
  • the volume flow control device 11 has an electric motor 12 via which a in FIG. 1 not shown, arranged in the exhaust gas recirculation line 10 flap is movable.
  • the burner 1 is operable in two power levels, wherein the exhaust gas recirculation device 9 is controllable in dependence on the selected power level of the burner 1.
  • the arranged in the exhaust gas recirculation device 9, not shown flap is closed in an operation of the burner 1 in the higher of the two power levels, so that the guided via the exhaust pipe 5 exhaust gas is completely discharged through the chimney 6.
  • the electric motor 12 pivots the flap arranged in the exhaust gas recirculation line 10 and not shown in detail such that a portion of the exhaust gas from the exhaust pipe 5 via the exhaust gas recirculation line 10 of the fresh air in the fresh air line 8 and admixed Blower 7 is blown into the burner 1 and the radiant tube 2.
  • FIG. 2 a second embodiment of a heating device is shown, which substantially with the embodiment according to FIG. 1 matches, so that matching reference numerals also identify matching components.
  • the heating device according to FIG. 2 a U-shaped radiant tube 2, which has two parallel to each other within the housing 3 extending pipe sections which are interconnected via a U-shaped connecting element. Accordingly, in the embodiment according to FIG. 2 also the residual heat of the exhaust gas used within the radiant tube 2 and the exhaust pipe 5 is compared to the embodiment according to FIG. 1 much shorter.
  • FIG. 2 shows the above in connection with the embodiment according to FIG. 1 explained, but not shown there flap 13, which is arranged in he exhaust gas recirculation line 10 and controllable via the electric motor 12.
  • FIG. 3 A third embodiment of a heating device is in FIG. 3 shown. This embodiment is substantially consistent with the embodiment according to FIG. 2 match, so that here also matching reference numerals are used for matching construction elements.
  • blower 7 in the embodiment according to FIG. 2 upstream of the burner 1 and thus the fresh air and the possibly recirculated exhaust gas discharged into the burner 1 and the radiant tube 2, while the blower 7 of the embodiment according to FIG. 3 is arranged at the end 4 of the radiant tube 2, so that via the blower 7, a negative pressure in the radiant tube 2 is generated.
  • FIG. 4 a fourth embodiment of a heating device is shown, which differs from the in the FIGS. 1 to 3 illustrated embodiments of the heating devices comprises two radiant tubes 2, which are arranged parallel to each other in a common housing 3. At opposite ends, the two radiant tubes 2 each have a burner 1 so that the flames generated by these burners 1 extend in opposite directions within the parallel radiant tubes 2.
  • the two radiant tubes 2 are each connected to an exhaust pipe 5, via which the flue gases generated by the combustion in the Brennem 1 chimneys 6 are supplied.
  • each burner 1 has a fresh-air scavenging 8, via which fresh air for the combustion is supplied to the respective burner 1.
  • the fresh air line 8 is connected in each case to the fan 7, which is connected upstream of the respective burner 1
  • FIG. 4 Furthermore, it can be seen that between each exhaust pipe 5 of a radiant tube 2 and the fresh air line 8 of the adjacent radiant tube 2, an exhaust gas recirculation device 9 according to the embodiment according to the FIGS. 1 to 3 is arranged. About this exhaust gas recirculation means 9, the exhaust gas of a radiant tube 2 is supplied to the fan 7 of the second, parallel thereto radiant tube 2.
  • FIG. 5 Another embodiment of a heating device according to the invention is in FIG. 5 shown.
  • a second fan 7 which is connected in the exhaust pipe 5 and formed as a radial fan.
  • the performance of this fan 7 in the exhaust pipe 5 is variable depending on the power level of the burner 1, so that the fan 7 in the exhaust pipe 5 a high proportion of exhaust gas in the burner 1 and the downstream radiant tube 2 blows, as far as the burner 1 in the smaller the two power levels is operated. If the burner 1 is switched to the higher of the two power stages, then the fan 7 in the exhaust pipe 5 is reduced or switched off in its power, so that the exhaust gas supplied via the exhaust pipe 5 to the fan 7 can escape via the chimney 6.
  • FIG. 6 Another embodiment of a heating device according to the invention is in FIG. 6 shown.
  • this embodiment is in accordance with FIG. 6 with the embodiment according to FIG. 5 or the embodiments according to the Figures 2 and 3 match.
  • the embodiment according to FIG. 6 an electromagnetically controlled flap, so that the Vojumenstromregei dressed 11 has an electromagnet with which the flap in dependence on the power levels of the burner 1 is adjustable.

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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)
  • Fluid Mechanics (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Gas Burners (AREA)
  • Air Supply (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Claims (37)

  1. Dispositif de chauffage composé d'au moins un brûleur pour la combustion d'une source d'énergie, en particulier gazeuse, d'au moins un tube de chauffage radiant faisant suite au brûleur, d'au moins une soufflante créant dans le tube de chauffage radiant une dépression ou une surpression et d'au moins un dispositif de recyclage des gaz de combustion avec au moins une conduite de retour des gaz de combustion, par laquelle les gaz produits lors de la combustion de la source d'énergie primaire peuvent être ramenés du tube de chauffage radiant dans une zone de jonction avec le brûleur dans le tube de chauffage radiant, dans lequel le brûleur (1) peut être conduit à au moins deux niveaux de puissance, caractérisé en ce que le dispositif de recyclage des gaz de combustion (9) est commandé en fonction des niveaux de puissance du brûleur (1) de telle manière que le débit volumétrique des gaz de combustion recyclés soit réduit lorsque le niveau de puissance du brûleur (1) augmente.
  2. Dispositif de chauffage selon la revendication 1, caractérisé en ce que le brûleur (1) peut être conduit de manière modulée par niveaux de puissance.
  3. Dispositif de chauffage selon la revendication 1, caractérisé en ce que le dispositif de recyclage des gaz de combustion (9) comporte un dispositif de régulation du débit volumétrique (11) pour le débit volumétrique des gaz de combustion recyclés.
  4. Dispositif de chauffage selon la revendication 3, caractérisé en ce que le dispositif de régulation du débit volumétrique (11) est conçu comme une vanne de dérivation.
  5. Dispositif de chauffage selon la revendication 3, caractérisé en ce que le dispositif de régulation du débit volumétrique (11) permet de réguler la puissance, en particulier la vitesse de rotation de la soufflante (7).
  6. Dispositif de chauffage selon la revendication 3, caractérisé en ce que le dispositif de régulation du débit volumétrique (11) comprend un volet (13) et/ou un registre qui sont disposés dans la conduite de retour des gaz de combustion (10) et se ferment à une certaine puissance du brûleur (1).
  7. Dispositif de chauffage selon la revendication 1, caractérisé en ce que le brûleur (1) comporte deux niveaux de puissance et en ce que le dispositif de recyclage des gaz de combustion (9) est activé à un niveau de puissance.
  8. Dispositif de chauffage selon la revendication 1, caractérisé en ce que la soufflante (7) est disposée à une extrémité (4) du tube de chauffage radiant (2) opposée au brûleur (1).
  9. Dispositif de chauffage selon la revendication 1, caractérisé en ce que la soufflante (7) est disposée avec le brûleur (1) à une extrémité du tube de chauffage radiant (2).
  10. Dispositif de chauffage selon la revendication 1, caractérisé en ce qu'au moins deux tubes de chauffage radiants (2) sont disposés en sens inverse l'un de l'autre et possèdent chacun un brûleur (1), les tubes de chauffage radiants (2) possédant chacun un dispositif de recyclage des gaz de combustion (9) par lequel les gaz de combustion sont introduit dans le tube de chauffage radiant (2) opposé.
  11. Dispositif de chauffage selon la revendication 10, caractérisé en ce que les tubes de chauffage radiants (2) sont disposés parallèlement l'un à l'autre.
  12. Dispositif de chauffage selon la revendication 10, caractérisé en ce que les brûleurs (1) sont disposés à des extrémités opposées des tubes de chauffage radiants (2) disposés en sens inverse l'un de l'autre.
  13. Dispositif de chauffage selon la revendication 10, caractérisé en ce que les dispositifs de recyclage des gaz de combustion (9) peuvent être régulés en fonction de la puissance du brûleur (1) du tube de chauffage radiant (2) opposé.
  14. Dispositif de chauffage selon la revendication 10, caractérisé en ce que les dispositifs de recyclage des gaz de combustion (9) des tubes de chauffage radiants (2) disposés en sens inverse l'un de l'autre peuvent être régulés indépendamment l'un de l'autre.
  15. Dispositif de chauffage selon la revendication 1, caractérisé en ce que le dispositif de recyclage des gaz de combustion (9) comporte un élément de mesure par lequel des paramètres tels que la température, les taux d'émissions, le débit volumétrique ou similaires sont mesurés et utilisés pour réguler le dispositif de recyclage des gaz de combustion (9).
  16. Dispositif de chauffage selon la revendication 3, caractérisé en ce que le dispositif de régulation du débit volumétrique (11) est à commande électrique et/ou thermique.
  17. Dispositif de chauffage selon la revendication 3, caractérisé en ce que le dispositif de régulation du débit volumétrique (11) peut être activé en même temps qu'un dispositif de régulation de la puissance du brûleur (1).
  18. Dispositif de chauffage selon la revendication 1, caractérisé en ce que la soufflante (7) est reliée par une conduite d'aspiration à l'extrémité (4) du tube de chauffage radiant (2) opposée au brûleur (1).
  19. Dispositif de chauffage selon la revendication 1, caractérisé en ce que le brûleur (1) présente pour activer les niveaux de puissance une électrovanne qui possède un nombre de niveaux d'activation correspondant au nombre de niveaux de puissance.
  20. Dispositif de chauffage selon la revendication 1, caractérisé en ce que les niveaux de commutation de l'électrovanne peuvent être régulés par un régulateur thermique.
  21. Procédé pour la conduite d'un dispositif de chauffage, dans lequel une source d'énergie, en particulier gazeuse, est brûlée dans au moins un brûleur et une flamme est produite dans au moins un tube de chauffage radiant faisant suite au brûleur et chauffe le tube de chauffage radiant, dans lequel une soufflante crée dans le tube de chauffage radiant une dépression ou une surpression et dans lequel les gaz produits par la combustion de la source d'énergie sont ramenés par au moins un dispositif de recyclage des gaz de combustion avec au moins une conduite de retour des gaz de combustion du tube de chauffage radiant dans une zone de jonction avec le brûleur dans le tube de chauffage radiant, et le brûleur (1) est conduit à au moins deux niveaux de puissance, caractérisé en ce que le dispositif de recyclage des gaz de combustion (9) est régulé en fonction des niveaux de puissance du brûleur (1) de telle manière que le débit volumétrique des gaz de combustion recyclés soit réduit lorsque le niveau de puissance du brûleur (1) augmente.
  22. Procédé selon la revendication 21, caractérisé en ce que le brûleur (1) est commandé de façon modulée en niveaux de puissance.
  23. Procédé selon la revendication 21, caractérisé en ce que le dispositif de recyclage des gaz de combustion (9) contrôle un dispositif de régulation du débit volumétrique (11) pour le débit volumétrique des gaz de combustion recyclés.
  24. Procédé selon la revendication 23, caractérisé en ce que le dispositif de régulation du débit volumétrique (11) contrôle la puissance, en particulier la vitesse de rotation de la soufflante (7).
  25. Procédé selon la revendication 23, caractérisé en ce que le dispositif de régulation du débit volumétrique (11) commande un volet (13) et/ou un registre qui sont disposés dans la conduite de retour des gaz de combustion (10) et se ferment à une certaine puissance du brûleur (1).
  26. Procédé selon la revendication 21, caractérisé en ce que le brûleur (1) est commandé en deux niveaux de puissance et en ce que le dispositif de recyclage des gaz de combustion (9) est activé à un niveau de puissance.
  27. Procédé selon la revendication 21, caractérisé en ce que les gaz de combustion d'un premier tube de chauffage radiant (2) possédant un premier brûleur (1) sont amenés par un dispositif de recyclage des gaz de combustion (9) dans un deuxième tube de chauffage radiant (2) disposé en sens inverse et possédant un deuxième brûleur (1), tandis que les gaz de combustion du deuxième tube de chauffage radiant (2) disposé en sens inverse sont amenés par un dispositif de recyclage des gaz de combustion (9) dans le premier tube de chauffage radiant (2).
  28. Procédé selon la revendication 27, caractérisé en ce que les dispositifs de recyclage des gaz de combustion (9) sont contrôlés en fonction de la puissance des brûleurs (1) des tubes de chauffage radiants (2) disposés en sens inverse l'un de l'autre.
  29. Procédé selon la revendication 27, caractérisé en ce que les dispositifs de recyclage des gaz de combustion (9) des tubes de chauffage radiants (2) disposés en sens inverse l'un de l'autre sont commandés indépendamment l'un de l'autre.
  30. Procédé selon la revendication 21, caractérisé en ce que le dispositif de recyclage des gaz de combustion (9) est contrôlé par un élément de mesure qui mesure des paramètres tels que la température, les taux d'émissions, le débit volumétrique ou similaires.
  31. Procédé selon la revendication 23, caractérisé en ce que le dispositif de régulation du débit volumétrique (11) est à commande électrique et/ou thermique.
  32. Procédé selon la revendication 23, caractérisé en ce que le dispositif de régulation du débit volumétrique (11) est activé en même temps qu'un dispositif de régulation de la puissance du brûleur (1).
  33. Procédé selon la revendication 21, caractérisé en ce que les niveaux de puissance du brûleur (1) sont régulés par une électrovanne qui possède un nombre de niveaux de commutation correspondant au nombre de niveaux de puissance.
  34. Procédé selon la revendication 21, caractérisé en ce que les niveaux de commutation de l'électrovanne sont régulés par un régulateur thermique.
  35. Procédé selon la revendication 21, caractérisé en ce que les gaz de combustion sont transportés par des différences de pression entre l'extrémité terminale du tube de chauffage radiant (2) et la zone de jonction entre le brûleur (1) et le tube de chauffage radiant (2).
  36. Procédé selon la revendication 21, caractérisé en ce qu'à un premier niveau de puissance supérieur du brûleur (1), entre 0 et 30 % en volume des gaz de combustion sont recyclés dans la zone de jonction entre le brûleur (1) et le tube de chauffage radiant (2).
  37. Procédé selon la revendication 21, caractérisé en ce qu'à un deuxième niveau de puissance inférieur du brûleur (1), entre 20 et 60 % en volume des gaz de combustion sont recyclés dans la zone de jonction entre le brûleur (1) et le tube de chauffage radiant (2).
EP05027165A 2005-12-13 2005-12-13 Dispositif de chauffage et son procédé de fonctionnement Not-in-force EP1798470B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT05027165T ATE388374T1 (de) 2005-12-13 2005-12-13 Heizungsvorrichtung und verfahren zu deren betrieb
PL05027165T PL1798470T3 (pl) 2005-12-13 2005-12-13 Urządzenie grzewcze i sposób jego pracy
DE502005003135T DE502005003135D1 (de) 2005-12-13 2005-12-13 Heizungsvorrichtung und Verfahren zu deren Betrieb
EP05027165A EP1798470B1 (fr) 2005-12-13 2005-12-13 Dispositif de chauffage et son procédé de fonctionnement
CA2571126A CA2571126C (fr) 2005-12-13 2006-12-12 Appareil de chauffage et methode de fonctionnement
US11/637,620 US8475163B2 (en) 2005-12-13 2006-12-12 Heating device and method for its operations
US13/932,746 US20140011140A1 (en) 2005-12-13 2013-07-01 Heating device and method for its operations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05027165A EP1798470B1 (fr) 2005-12-13 2005-12-13 Dispositif de chauffage et son procédé de fonctionnement

Publications (2)

Publication Number Publication Date
EP1798470A1 EP1798470A1 (fr) 2007-06-20
EP1798470B1 true EP1798470B1 (fr) 2008-03-05

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EP05027165A Not-in-force EP1798470B1 (fr) 2005-12-13 2005-12-13 Dispositif de chauffage et son procédé de fonctionnement

Country Status (6)

Country Link
US (2) US8475163B2 (fr)
EP (1) EP1798470B1 (fr)
AT (1) ATE388374T1 (fr)
CA (1) CA2571126C (fr)
DE (1) DE502005003135D1 (fr)
PL (1) PL1798470T3 (fr)

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JP6457879B2 (ja) * 2015-04-22 2019-01-23 株式会社ジャパンディスプレイ 表示装置及びその製造方法
CN105042860A (zh) * 2015-08-21 2015-11-11 黄昱琪 一种流动介质的预做功系统
CN110145740B (zh) * 2019-05-23 2024-05-14 河南天利热工装备股份有限公司 一种p型燃气辐射管
EP4194748B1 (fr) * 2021-12-10 2024-03-06 Schwank GmbH Émetteur sombre

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Also Published As

Publication number Publication date
EP1798470A1 (fr) 2007-06-20
US20140011140A1 (en) 2014-01-09
ATE388374T1 (de) 2008-03-15
CA2571126A1 (fr) 2007-06-13
US8475163B2 (en) 2013-07-02
CA2571126C (fr) 2015-02-10
US20070221196A1 (en) 2007-09-27
DE502005003135D1 (de) 2008-04-17
PL1798470T3 (pl) 2008-08-29

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