WO1982000331A1 - Generateur de gaz chaud - Google Patents

Generateur de gaz chaud Download PDF

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Publication number
WO1982000331A1
WO1982000331A1 PCT/DE1981/000110 DE8100110W WO8200331A1 WO 1982000331 A1 WO1982000331 A1 WO 1982000331A1 DE 8100110 W DE8100110 W DE 8100110W WO 8200331 A1 WO8200331 A1 WO 8200331A1
Authority
WO
WIPO (PCT)
Prior art keywords
combustion chamber
hot gas
air
gas generator
generator according
Prior art date
Application number
PCT/DE1981/000110
Other languages
German (de)
English (en)
Inventor
D Popp
Original Assignee
D Popp
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 D Popp filed Critical D Popp
Publication of WO1982000331A1 publication Critical patent/WO1982000331A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • F23M5/08—Cooling thereof; Tube walls
    • F23M5/085—Cooling thereof; Tube walls using air or other gas as the cooling medium
    • 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 
    • F23C1/00—Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in a carrier gas or air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/10—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses
    • F23G7/105—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses of wood waste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • 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
    • F24H3/02—Air heaters with forced circulation
    • F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
    • F24H3/065—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators 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
    • F24H9/0005—Details for water heaters
    • F24H9/001—Guiding means
    • F24H9/0026—Guiding means in combustion gas channels

Definitions

  • the invention relates to a hot gas generator with an approximately conical combustion chamber which is provided at the wide cone end with a burner device opening axially into the combustion chamber and at the opposite end with an air supply device and which has a lateral hot gas outlet in the region of the wide end.
  • Combustion chambers of the type described at the outset are for engines, i.e. So basically known in small dimensions and for operation with liquid or gaseous fuels.
  • Heat generation also to use existing dust-like fuels, especially in manufacturing processes in which, for example in the woodworking industry, combustible dusts are produced.
  • the invention has for its object to provide a hot gas generator, the burner device with dusty fuels, especially flame-retardant dusty substances can be operated.
  • the burner device has an oil or gas-loaded burner and an annularly arranged nozzle for the supply of dusty fuels, in particular synthetic resin-containing wood dust, and a nozzle for the supply of primary air.
  • the hot gas generator according to the invention has the advantage that the
  • the combustion chamber is arranged upright, the burner device is arranged facing downward at the upper end of the combustion chamber and the lower end of the combustion chamber has an ash outlet opening which opens into a combustion chamber with a burnout surface, which with an additional air supply and is provided with a supply device for lumpy fuel, in particular wood waste, and with a pilot burner in the mouth area of the material supply device.
  • This configuration has the advantage that, in addition to the dust-like waste products, lumpy, combustible waste products, for example in the woodworking industry, wood waste, bark or the like can also be used for hot gas production.
  • the arrangement also has the advantage that the solid fuel introduced into the combustion chamber in the form of a dust can have a relatively high proportion of coarse grain, since these coarse-grained components which do not completely burn out in the combustion chamber can completely burn out in the combustion chamber.
  • the pilot burner for the combustion chamber is only switched on until the lining of the combustion chamber is heated up to such an extent that the combustion of the particulate fuel supplied takes place automatically.
  • the hot exhaust gases in the combustion chamber reach the combustion chamber through the ash outlet opening, where they are further heated.
  • the hot gases drawn off from the combustion chamber at the upper end are then completely available for the intended use, for example for carrying out a drying process.
  • the burnout surface is designed as a feed grate with a grate covering that is largely free of diarrhea. This ensures that a relatively dense ember bed forms on the burnout surface, which hinders the diarrhea of dust-like particles.
  • the combustion chamber is double-walled and that the free space between the inner wall and outer wall in the area of the burner device is provided with at least one inlet opening for cold air and at the lower end with at least one outlet opening for the hot air and that the hot air outlet opening is connected to the lower air supply device of the combustion chamber.
  • This configuration has the advantage that the walls of the combustion chamber are cooled and that thus heated air can be introduced at the lower end as heated combustion air.
  • the lower air supply device is formed by an annular channel which is placed around the lower end of the combustion chamber and which is provided with at least one outside air inlet opening and a plurality of air passage openings opening tangentially into the combustion chamber.
  • the tangential introduction of the combustion air results in a defined countercurrent flow of air and fuel, which at the same time ensures that the combustion chamber wall is shielded from the flame by an air curtain.
  • the tangential introduction of the main combustion air also has the advantage that the hot exhaust gases entering through the ash outlet opening from the combustion chamber are drawn into the generated air swirls, so that stable flow conditions result in the combustion chamber and the best possible combustion of the dust-like fuel is ensured.
  • the supplied combustion air and the hot exhaust gases emerging from the combustion chamber are directed upwards in a swirl flow along the inner wall of the combustion chamber.
  • fuel particles which are not completely burned out are again torn upwards and, as a result of the toroidal secondary flow which forms in the upper part of the combustion chamber, are returned to the flame, where they can burn out completely.
  • the air passage openings are provided with adjusting flaps. This enables an optimal setting of the swirl flow.
  • the ring channel has a cross-section which decreases in the flow direction and is closed at one end with respect to the air inlet opening, which is coaxial around the ring channel, a second ring channel is arranged, with an air outlet located laterally next to the air inlet of the first ring channel and that the second ring channel is provided with a plurality of air passage openings which open into the space between the inner and outer walls of the combustion chamber.
  • the air outlet of the two th ring channel can now be connected to the suction side and the air inlet of the first ring channel to the pressure side of a hot gas fan, so that the cooling air drawn through the space between the inner and outer walls of the combustion chamber can be introduced directly into the combustion chamber as heated combustion air .
  • the inner wall of the combustion chamber is formed by tube-web tubes, which run vertically and each open into a ring line at the top and bottom, the upper ring line with the inlet and the lower ring line with are connected to the return flow of a heat consumer through which a heat transfer medium flows.
  • This design not only has the advantage that in addition to the hot gas generation is also possible heating a liquid and / or vaporous heat transfer medium.
  • the heat consumer (s) can be downstream heat exchangers in which air, water or, in the case of the woodworking industry, presses can be heated.
  • the design is also advantageous when using phenolic resin-containing wood dust.
  • the more intensive cooling of the combustion chamber walls makes it possible to maintain surface temperatures which are below the melting point of the caustic soda obtained when phenolic resin is burned. It is particularly advantageous here if, in the area of the hot gas outlet opening of the combustion chamber, the tubes forming the inner walls are made web-free and run at a distance from one another.
  • the pipes here form a kind of grille through which the hot gases generated in the combustion chamber must flow. Airborne dust, unburned fuel particles can accumulate here and at the same time the slight cooling of the gas stream which begins when this grille flows through when phenolic resin dust is used leads to extinguishing a part of the possibly still glowing phenolic resin dust particles.
  • Aggressive volatile constituents of the burned synthetic resin components contained in the exhaust gases can also precipitate on this grille as a result of the cooling effect.
  • Appropriate cleaning openings in the ceiling area of the combustion chamber allow the pipes and the entire inner wall of the combustion chamber to be cleaned from time to time.
  • a hot gas duct is provided in the upper region of the combustion chamber, which extends over part of the inner wall of the combustion chamber and the wall of which is formed from tube-web tubes which are connected to the other tube-web tubes. Tubes of the inner wall are connected and that the channel with one end against the rotation of the gas flow is open to the combustion chamber interior and ends at the other end in a lockable gas exhaust.
  • the hot gas outlet of the combustion chamber is shut off, so that the hot exhaust gases now produced with reduced fuel supply can be drawn off through the hot gas duct guided along the inner wall in the upper region, and their heat content largely rests on the duct walls formed from tube-web tubes submit.
  • the cooled exhaust gases can then be blown off into the open via a dedusting device.
  • Part of a hot gas exhaust line is connected and that in the area of the narrowest cross-section there is an annular duct encompassing this part, which is connected to openings and at least one air inlet preferably opening tangentially into the exhaust line additionally to supply air, both in order to be able to regulate temperature peaks and to be able to regulate fluctuations in the amount of hot gas occurring in the downstream consumer.
  • cold air or hot air produced by cooling the combustion chamber wall can be introduced here. This hot air can either be directly available in an air-cooled combustion chamber or in a liquid-cooled one
  • Fig. 1 shows a vertical section of a hot gas generator
  • FIG. 2 on a larger scale a horizontal section along the line II - II in Fig. 1
  • FIG. 3 shows another embodiment of the hot gas generator in the vertical section
  • FIG. 5 shows a section on a larger scale through the inner wall formed from tube-web tubes of the embodiment according to FIG. 3
  • Fig. 6 shows an embodiment with additional air cooling of the combustion chamber wall
  • FIG. 7 shows an annular channel for the embodiment according to FIG. 6
  • the embodiment of the hot gas generator shown in a vertical section in FIG. 1 has a vertically oriented, essentially conical combustion chamber 1.
  • a burner device 2 protrudes from above into the enlarged area, which has an oil or gas-loaded burner 3 of conventional design, to which an annular nozzle 4 for the supply of a dusty fuel and a further annular nozzle 5 for the supply of primary combustion air are assigned.
  • the combustion chamber 1 On the side opposite the burner device, the combustion chamber 1 has an ash outlet opening 6 which leads into a combustion chamber 7 with a step grate trained, inclined burnout surface 8 opens.
  • a supply opening 9 for a lumpy fuel, such as wood waste or bark is provided, which is completed in the usual way by means of a double flap lock, not shown, against the outside air.
  • a pilot burner 10 is arranged through which the combustion of the fuel applied to the burnout surface 8 can be initiated.
  • the main combustion air is supplied via an annular channel 11 which is placed around the lower end of the combustion chamber and which is provided with a plurality of air passage openings 12 opening tangentially into the combustion chamber.
  • the preferably heated combustion air is supplied via an external air inlet opening 13, which is connected to a corresponding supply duct 14, via which the majority of the combustion air is supplied by an air heater.
  • From the supply channel 14 branches off a mixed air channel 15, which is guided to a further ring channel 16, which is laid around the line 18 to the hot gas exhaust.
  • the annular channel 16 is also provided with a series of air passage openings 19 which open tangentially into the hot gas exhaust line 18.
  • the hot gas discharge line 18 is designed in the manner of a Venturi tube, so that the annular channel 16 is arranged in the area of the narrowest cross section of this part of the hot gas discharge line 18.
  • the combustion chamber 1 is double-walled, so that a free space 22 remains between the inner wall, which is formed, for example, by a refractory brick lining, and the outer wall 21, which consists, for example, of insulating material.
  • the gap 22 is in the area of the upper end the combustion chamber with an inlet opening 23 for cold air and in the region of the lower end with an outlet opening 24 for the hot air.
  • the hot air obtained during cooling of the combustion chamber wall can now advantageously be returned to the combustion chamber as heated combustion air.
  • This is expediently done via an annular channel 11 ', as shown in horizontal section in FIG. 2.
  • a ring channel 11b serving as air supply to the combustion chamber and having a cross section decreasing in the flow direction of the hot air (arrow 25) is coaxially wrapped around an annular channel 11b serving as an air vent for the space 22.
  • This ring channel has an increasing cross section in the direction of flow of the introduced air (arrow 26).
  • the annular duct 11b is provided with a multiplicity of air passage openings 27 which open into the intermediate space 22 of the combustion chamber 1.
  • the air passage openings 12 of the annular duct 11a opening into the combustion chamber are each provided with a control flap 28 in the exemplary embodiment shown, which can be adjusted by means of a central actuator of a conventional type (not shown).
  • the air inlet opening 13 of the ring duct 11a ′ and the air outlet opening 29 are connected to a hot gas fan 30 via corresponding pipelines.
  • the air outlet 29 with the suction side and the air inlet 13 with the pressure side of the hot gas fan are connected to a hot gas fan 30 via corresponding pipelines.
  • a branch line 15 can also be connected correspondingly to FIG. 1 to the pressure-side line, which corresponds to the pipeline 14 in FIG. 1.
  • the pipeline 14 and also the pipeline 15 can be pushed off accordingly by corresponding pushers 31, 32.
  • FIG. 3 shows another embodiment of the hot gas generator according to the invention.
  • the shape and the process engineering structure correspond to the embodiment according to FIG. 1.
  • the burner device 2 according to FIG. 1 is indicated by an arrow.
  • the inner wall of the combustion chamber 1 in FIG. 3 is formed by so-called tube-web tubes 33, each with its lower end and with its upper end in a ring line 34 or 35 flow out.
  • a liquid or vaporous heat transfer medium which is led from the bottom upwards via the ring lines and the tube-web tubes, is preferably circulated via a heat consumer, not shown, the lower ring line 34 with the return 36 and the upper ring line 35 with the inlet 37 of the heat consumer are connected.
  • the lining by means of tube-web tubes represents a completely closed gas-tight lining because, as the cut according to Fig.
  • FIG. 5 shows the individual tubes 38, which may have a round or oval cross section, are firmly connected to one another by intermediate webs 39, so that a closed wall formed from a plurality of tubes running side by side is formed. Only in the area of the gas passage opening are the corresponding webs omitted, so that in this area a type of grille for any solid particles is formed by the tubes 38.
  • the inner wall 33 formed from tube-web tubes is provided on its outside with a heat-insulating outer layer 40.
  • the annular duct 11 with its air passage openings 12 is connected to a blower, not shown, through which heated combustion air can be supplied.
  • the combustion air can be heated, for example, in such a way that the heat transfer medium passed through the tube-web tubes is passed through a heat exchanger, with the aid of which the combustion air is heated. Due to the heat given off by the heat consumer, there may also be several heat consumers, the inner wall of the combustion chamber 1 is cooled to the desired extent.
  • the inner wall 33 formed from tube-web tubes with the ring lines 34 and 35 is a self-contained component, as in the embodiment. 1, a corresponding space is provided between the inner wall 33 and the insulating outer wall 40, through which air is then passed with the aid of a blower, which directly as heated combustion air via the ring channel 11, which in this case corresponds to the representation according to FIG 2 can be designed to be introduced into the combustion chamber as combustion air.
  • a separate heat exchanger for heating the combustion air can be dispensed with, since the required air volumes can be heated to the desired temperature through the space between the inner wall 33 and the insulating outer wall 40.
  • the intermediate space 22 is divided between an inner wall 33 formed, for example, of tube web tubes and an insulating outer wall 40 by vertically extending webs into a plurality of sub-channels 41, 42 that run alongside one another. These webs are designed so that every second web is somewhat shorter, so that an overflow opening 43 remains between the channels 41 and 42 at the top.
  • the lower end of each channel 41 is accordingly connected to an air passage opening 44 of the outer ring channel 45, while the lower end of the adjacent channel 42 is connected to an air passage opening 46 of the inner ring channel 47.
  • the combustion chamber can operate even when there is no need for hot gas, but hot water or steam must be made available.
  • the burner device 2 only has to be operated with reduced output, but there is nevertheless a desire to burn out the dust-like fuel, in particular dust-like combustible waste even with reduced burner output, the embodiment according to FIG. 3 shows a device which provides such pure hot water - or steam operation enabled.
  • a parallel tube 49 is provided in the manner shown in the flame zone in the upper region of the combustion chamber of each tube belonging to the inner wall 33.
  • the hot gas outlet opening 17 is shut off and the outlet opening 52 of the channel 50 'to the exhaust gas fireplace is opened via a slide (not shown).
  • an exhaust gas fan working in the suction draft is arranged behind the dedusting system. Since the hot exhaust gases generated during combustion can no longer exit through the blocked hot gas outlet opening 17, they flow through the channel 50 'and are then drawn off via the filter system and the exhaust gas chimney. In this way, they give off their heat to the additional tubes 51 and to the parallel tubes 49 and 50, which limit the channel 50 ".
  • the channel 50 ' is accessible in the usual way for cleaning purposes via cleaning openings 54 in the ceiling area of the combustion chamber, as is the one that forms the grille Part of the tubes in the area of the hot gas outlet opening 17.
  • annular duct shown in FIG. 7 for the lower air supply to the combustion chamber also offers the possibility of introducing air into the inner annular duct 47 via a corresponding opening and a regulating flap 55 in addition to the quantities of hot air introduced through the air passage openings 46. This provides another control option for the combustion chamber.
  • the arrangement of the channels shown in FIG. 6 in the space between the outer wall and the inner wall represents a preferred embodiment which offers the least flow resistance with large amounts of air to be heated. Deviating from this, the channels can also run differently, for example helically.
  • the tubes 50 in the region of the hot gas outlet opening 17 of the combustion chamber 1 are each provided with inwardly directed deflection surfaces 57. This not only results in better guidance of the rotating gas flow in the combustion chamber along the spaced-apart tubes 50 in the region of the hot gas outlet opening, but also the retention of solid particles in the combustion chamber itself is further improved.
  • the gas quantities flowing out via the hot gas outlet opening 17 must flow around the free edges of the deflecting surfaces with a change of direction when they pass from the rotary flow of the combustion chamber, so that solid particles contained in the gas flow are held in the rotary flow and cannot enter the hot gas exhaust line 18 via the hot gas outlet.
  • the deflecting surfaces 57 are oriented obliquely inward in approximately the same direction as the rotation of the gas flow. As a result, the deflecting effect of the deflecting surfaces 57 is further increased, so that the separating effect is increased in the region of the free edges of the deflecting surfaces. At the same time, this ensures that at least a portion of the solid particles of the rotary flow that reach the surface of the deflecting surfaces facing the combustion chamber are then taken up again and carried along further.
  • the basic arrangement of such deflection surfaces is shown in FIG. 4.
  • the deflection surfaces 57 are adjustably connected to the respective tube 50 with respect to their alignment in order to be able to make an optimal setting.
  • each deflection surface is formed from a plurality of partial surfaces arranged one above the other and that each partial surface is fixed to the respective tube 50 with a wedge connection.
  • This makes it possible to prevent thermal stresses even with a large height of the hot gas outlet opening with a correspondingly long length of the deflecting surfaces, since corresponding expansion joints can be provided between the individual partial surfaces.
  • the arrangement of a wedge connection makes it easy to replace the steering surfaces, since even a scaled-up wedge can be knocked out without difficulty.
  • a component for such a partial surface with a wedge connection is shown in plan and side view in FIGS. 8 a, b.
  • the embodiment shown also shows a possible design for the shape of the deflection surface.
  • the flow edge 58 protrudes freely into the combustion chamber with respect to the rotational flow (arrow 59) additionally angled so that the deflection for the gas flow when entering the hot gas outlet opening 17 is further reinforced.
  • the component is produced, for example, as a cast part and has two eyelets 60 which encompass the tube 50 in question, into which a wedge 61 is driven, by means of which the deflection surface 57 is fixed on the tube 50. Because the openings of the two eyelets 60 run obliquely with respect to the tube axis 62, the wedge is also secured against falling out.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Drying Of Solid Materials (AREA)
  • Combustion Of Fluid Fuel (AREA)

Abstract

Une chambre de combustion (1), a peu pres conique, est pourvue a son extremite la plus large d'un dispositif de combustion (2) qui y debouche coaxialementet a son extremite opposee d'un dispositif d'alimentation d'air (11, 12). La zone de la chambre (1) pres de l'extremite la plus large presente une sortie laterale (18) des gaz chauds et le dispositif de combustion (2) un bruleur a huile ou gaz (3) et, disposee autour de ceux-ci, une tuyere annulaire (4) destinee a l'alimentation de combustible pulverulent, en particulier de poudres de bois contenant des resines, de meme qu'une tuyere pour l'alimentation (5) d'air primaire. L'extremite inferieure de la chambre de combustion (1) presente une ouverture d'evacuation des cendres qui debouche dans une chambre de combustion (7) avec surface (8) de combustion et qui est pourvue d'un dispositif d'alimentation (9) de combustible solide. La chambre de combustion (1) peut etre executee avec une chemise, et dans ce cas un courant d'air s'ecoule entre la paroi double (22). La paroi interieure (33) de la chambre de combustion (1) peut etre formee par des tuyaux pourvus de nervures, ou les tuyaux sont parcourus par un agent caloporteur.
PCT/DE1981/000110 1980-07-12 1981-07-11 Generateur de gaz chaud WO1982000331A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3026516800712 1980-07-12
DE19803026516 DE3026516A1 (de) 1980-07-12 1980-07-12 Heissgaserzeuger

Publications (1)

Publication Number Publication Date
WO1982000331A1 true WO1982000331A1 (fr) 1982-02-04

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EP (1) EP0044063A1 (fr)
DE (1) DE3026516A1 (fr)
WO (1) WO1982000331A1 (fr)

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DE3476641D1 (en) * 1984-11-28 1989-03-16 Piasecki Bernd Method for making boards or articles from lignocellulosic fibres
DE3839503A1 (de) * 1988-11-23 1990-05-31 Komanditgesellschaft Avg Abfal Verfahren und vorrichtung zur reduzierung des co-gehaltes in abgasen von verbrennungsanlagen
DE10331707B4 (de) * 2003-07-11 2007-04-05 Hdg Bavaria Gmbh Heizkessel & Anlagenbau Brennkammer einer Festbrennstoff-Verbrennungseinrichtung, insbesondere zur Verfeuerung fester Biomasse
DE102017217106A1 (de) 2016-11-23 2018-05-24 Benninghoven GmbH & Co. KG Mülheim Heißgaserzeuger zum Erwärmen von Gas sowie Anlage für die Asphaltherstellung mit einem derartigen Heißgaserzeuger

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CH401091A (de) * 1963-02-09 1965-10-31 Henschel Werke Aktiengesellsch Dampferzeuger mit lotrecht eingebauten Wasserrohren
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Publication number Priority date Publication date Assignee Title
GB191126621A (en) * 1910-12-01 1912-03-07 Jens Rude Improvements in or relating to a Process and Apparatus for Increasing the Draught in Chimneys.
US1754277A (en) * 1923-11-30 1930-04-15 Int Comb Eng Corp Apparatus for pulverized-fuel burning
US1781269A (en) * 1925-12-03 1930-11-11 Int Comb Eng Corp Boiler furnace
FR678293A (fr) * 1928-07-25 1930-03-20 Foyer pour combustible pulvérulent
GB616840A (en) * 1945-08-21 1949-01-27 Int Comb Ltd Method of and apparatus for burning finely divided or pulverized fuel at very high rates of heat liberation
FR942213A (fr) * 1946-02-28 1949-02-02 Kennedy Van Saun Mfg & Eng Générateur de vapeur
FR1036610A (fr) * 1950-12-14 1953-09-09 Procédé et dispositif pour le réchauffage indirect de fluides en circulation souscontrôle quantitatif
DE967198C (de) * 1953-03-24 1957-10-24 Rudolf Hingst Dipl Ing Strahlgeblaese zur Zugverstaerkung des Abgasstromes von Feuerungen
DE1023208B (de) * 1953-07-09 1958-01-23 Dragonair Ltd Erhitzer fuer Luft oder aehnliche Mittel
GB782178A (en) * 1954-09-14 1957-09-04 Howard William Barrett Webb Improvements in water heaters and steam generators
DE1020750B (de) * 1955-08-10 1957-12-12 Bataafsche Petroleum Schmiermittel
CH383267A (de) * 1959-07-21 1964-10-15 Graepel Friedrich Warmluftofen
DE1401932A1 (de) * 1962-06-09 1968-10-24 Steinmueller Gmbh L & C Verfahren zum Betrieb von Brennern fuer Kesselfeuerungen
CH401091A (de) * 1963-02-09 1965-10-31 Henschel Werke Aktiengesellsch Dampferzeuger mit lotrecht eingebauten Wasserrohren
DE2248223A1 (fr) * 1972-10-02 1974-02-28
CA1023619A (fr) * 1976-01-07 1978-01-03 Charles E. Chase Incinerateur de dechets

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EP0044063A1 (fr) 1982-01-20
DE3026516A1 (de) 1982-02-11

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