EP2356377A2 - Brennersystem, insbesondere für mit biofeststoffen befeuerte backofen - Google Patents
Brennersystem, insbesondere für mit biofeststoffen befeuerte backofenInfo
- Publication number
- EP2356377A2 EP2356377A2 EP09753041A EP09753041A EP2356377A2 EP 2356377 A2 EP2356377 A2 EP 2356377A2 EP 09753041 A EP09753041 A EP 09753041A EP 09753041 A EP09753041 A EP 09753041A EP 2356377 A2 EP2356377 A2 EP 2356377A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- burner
- support frame
- adjustable
- support
- burner system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B1/00—Combustion apparatus using only lump fuel
- F23B1/30—Combustion apparatus using only lump fuel characterised by the form of combustion chamber
- F23B1/38—Combustion apparatus using only lump fuel characterised by the form of combustion chamber for combustion of peat, sawdust, or pulverulent fuel on a grate or other fuel support
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
- F23B40/06—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed along the fuel-supporting surface
- F23B40/08—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed along the fuel-supporting surface into pot- or trough-shaped grates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B99/00—Subject matter not provided for in other groups of this subclass
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/02—Apparatus for removing ash, clinker, or slag from ash-pits, e.g. by employing trucks or conveyors, by employing suction devices
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B2700/00—Combustion apparatus for solid fuel
- F23B2700/013—Combustion apparatus for solid fuel for use in baking ovens or cooking vessels
Definitions
- Burner system in particular for biomass fueled
- the invention relates to a burner system, in particular for oven-fired oven, according to the preamble of claim 1.
- Burner systems of the aforementioned type are known from DE 10 2006 013 863 Al. These burner systems have a burner lower part and a burner upper part which lie in overlap with one another and enclose a combustion chamber to which a burner outlet is assigned on the part of the burner upper part and which has a burner trough in the burner lower part. Starting from a blower chamber located below the burner trough, the air supply to different areas of the combustion chamber, in particular also to the burner trough, in which the fuel in particular verglosend or glimmering under the influence in the vortex on the burner trough backflowing and mixed with fresh air fuel gases burns largely residue-free.
- the supply of the fuel material formed by biofesters, in particular pellets takes place via a fuel supply opening from above onto the burner trough.
- the burner upper part is upper side provided centrally with a service opening, which is closed in operation via a plug-like closure element.
- Such a burner system is convincing both in terms of its power density, its exhaust gas quality, which is virtually free of pollutants, and its largely residue-free utilization of the fuel.
- the object of the invention is to further improve such a burner system, in particular with regard to its maintenance and serviceability.
- the upper burner part and the lower burner part are adjustable in their position and adjustable to an opening position for the combustion chamber, in which access is given to the burner trough, wherein the adjustment both axially, that is in the high direction of upper burner and burner lower part , as can be done transversely to this, in particular a combined vertical and Querver aus- speed is given.
- This is particularly true in terms of sealing and safety aspects, since in this way it is possible to achieve a covering overlap of the connecting area to be sealed as a sealing gap and also to prevent unfavorable loads for seals provided in the connecting area during the mutual adjustment of the upper and lower parts.
- the burner shell in order not to impair the overall structure of the burner system by the separability between the upper part and lower part of the burner and also easy to keep, it proves useful, in particular to provide the burner shell as a supporting, preferably fixed bearing burner part and support the burner lower part via a support frame on the burner shell, where appropriate, such a support framework can also form the "stand" for the burner system, if this For example, it is designed to be movable in order to be able to use a burner between different places of use, for example on different ovens.
- the support frame forms in such cases at the same time a part of the support structure for the burner with provided on this accessory, such as an exhaust pipe or the like.
- connection between the burner parts is advantageously carried out via a support frame adjustable support frame, and it is in the above-mentioned solution in particular the lower burner part received by the support frame and particularly preferably not only adjustable with the support frame, but also adjustable relative to the support frame, resulting in easier Way the adjustment of the burner base relative to the burner top both in the axial direction and thus in the vertical direction as well as transversely to realize this.
- a connection of the support frame to the support frame is preferred, in which the support frame with respect to the support frame is drawer-like extendable in height adjustment of the burner base to the support frame.
- the support frame lying laterally to the burner and projecting transversely to the burner support arms, along which the support frame is displaceably guided, preferably in guide slots of the support arms on which the support frame is supported via associated support members, in particular support rollers.
- the burner base is forcibly guided in particular positively driven by toothed drives, according to the invention, the support frame to the burner lower part at least partially like a coat encompassing circumferential surface, which, radially leading, allows axial adjustment of the burner base.
- the height adjustability of the burner lower part relative to the support frame is expediently via racks, which are driven centrally and are guided axially displaceably in the support frame.
- a relieving, parallel support of the burner base relative to the support frame via spring elements.
- Such spring elements are preferably arranged enclosing to a part of the racks and in particular formed by coil springs.
- Such a shaft drive with access to the racks spur gears preferably comprises longitudinally extending in the extension direction of the support arms drive shafts, which are also useful for the drives of a tensioning device to lock over the burner top and burner base in their operating position of the burner corresponding overlapping position against each other are.
- the waves can be provided in the simplest form at least over a longitudinal region with a circumferential thread, so quasi form threaded rods on which a threaded bushing runs, which in turn is connected to a support frame mounted to the clamping lever, so that on the axial adjustment of the threaded bushing along the respective Shaft of the clamping lever between its release position and its locking position is pivotable.
- the adjustment of the support frame along the cantilevered support arms of the support frame via an electric motor drive where it is a preferred solution to arrange the engine laterally cantilever to the support frame and provide a gear connection between the output shaft of the motor and the support arm, in turn with a corresponding, rack-like engagement path is provided.
- the support arm is formed toothed at its free lower edge and thus forms a kind of rack, in which a corresponding drive wheel, optionally engages a arranged on the shaft of the motor drive pinion from below, so that when driving the motor, this together with the frame along the support arm moves.
- the drives for the movability of the support frame and the Hubver monkeit the support frame are coupled in a sequential circuit, such that the mobility is locked, as long as the stroke adjustment is not done, it is expedient to block both drives, as long as the fan is running.
- the feed device for the fuel especially bio-solids
- the feed device starting from a preferably funnel-like insertion opening, has a rotary valve and only downstream therefrom a conveyor spiral via which the fuel, in particular biosolids, are fed transversely to the vertical direction of the burner trough.
- the drive for the rotary valve and the conveyor coil can be done via a common motor or via separate motors, which are expediently part of the drawer-like extendable feeder and in the region of the unit, which receives the rotary valve and the conveyor coil and on the basis of the hopper the supply of the fuel takes place.
- FIG. 1 is a simplified overall view of a burner system according to the invention in perspective
- FIG. 2 is a schematic representation of the burner upper part and burner lower part connecting support device comprising a support frame fixed to the upper part and a lying between the support frame and burner lower part, relative to the support frame movable support frame against which the burner base is height adjustable
- 3 shows a diagram of the position of burner upper part and lower burner part with the burner base extended from the covering position to the burner upper part
- FIG. 5 is a partially cutaway side view of the support frame of FIG. 4 in a view according to arrow V,
- Fig. 6 is a view of the support frame according to arrow VI in Fig. 4, and
- Fig. 7 is a schematic representation of a clamping device, via which the burner base is clamped to the burner top in the operating position of the burner corresponding cover position.
- Fig. 1 shows in its outlines a burner system 1 according to the invention, as it is used in particular for biomass fueled, not shown oven, due to its high power density and / or almost completely pollution-free combustion with advantage but can also be used elsewhere, especially an automated fuel supply is reliably possible, in particular in the case of biosolids formed by pellets.
- Such burner systems 1 are known in their basic structure and their method of operation from DE 10 2006 013 863 A1, which is expressly incorporated herein by reference, so that further explanations in this regard are unnecessary here.
- the burner 2 comprises a burner upper part 3 and a burner lower part 4, and it is starting from the burner upper part 3 a Fuel gas outlet 5 is provided.
- the burner top 3 and the burner base 4 are not firmly connected, but in the case of the invention addressed here solution adjustable against each other, so that the burner base 4, as shown schematically in Fig. 3, from its in operation with the burner closed 2 given cover position between burner upper part 3 and burner lower part 4 is adjustable in an extended position in which access to the burner trough 6 is given, which is indicated schematically in Fig. 3 and which is partially enclosed by a space 7 and a channel 8.
- a part of the fresh air supply takes place on the burner trough 6, via the channel 8 fresh air is supplied to the fuel gas outlet 5.
- the details of this can be found in the above-mentioned DE 2006 013 863 A1.
- the burner lower part 4, which can be extended relative to the upper burner part 3, is supported by a support frame 9 against the upper burner part 3, wherein the support frame 9 deviating from the schematic representation of FIG. 1 can also form a stand, via which the burner system 1 supported on a platform , optionally be supported mobile.
- a support frame can also be used to attach the burner 2, for example, with respect to a furnace fixed in position.
- the support frame 9 comprises in the illustration of FIG. 1 for substantially cylindrical periphery having burner shell 3 diametrically opposite fixed support arms 10 which extend parallel and opposite to each other laterally along the burner 2 and project laterally beyond the burner 2, wherein the support arms 10th of the support frame 9 laterally engage over a part of the burner lower part 4 laterally, which in the illustrated operating position of the burner 2 from the burner top Part 3 covered on this connects and is secured by means of a support frame 11 on the burner upper part 3, as is apparent in particular from the schematic illustration of FIG. This shows the support frame 9, for which only one of the laterally to the burner 2 lying support arms 10 is shown fully connected to the upper part 3 via spacers 12 supporting arms 10.
- the support arms 10 In the laterally to the burner lower part 4 cross-section of the support arms 10, these are each with a guide slot thirteenth provided, in which the support frame 11 is supported longitudinally movable over support members 14, which are preferably designed as support rollers.
- the support arms 10 on its exposed bottom at least over part of its length on a rack-like profile 15, in which a gear 16 of a gear drive engages the - not shown in Fig. 2 - a drive motor 17 is assigned, via which the support frame 11 along the support arms 10 preferably supported in the guide slot 13 is movable.
- the support frame 11 encloses, as is apparent in particular from FIG. 4, the burner lower part 4 over most of its circumference and forms for the burner base 4 quasi a guide over which the burner base 4 in the stroke direction, that is guided axially movable, wherein the burner lower part 4 preferably also has cylindrical circumference and is slightly smaller in diameter than the upper burner part 3 is formed, so that, as shown in Fig. 2, in bottom sealing over gaskets 18 against the burner upper part 3 burner lower part 4, the burner upper part 3, the burner lower part in an axial overlap region overlaps and thus forms a sealing gap 19 between the burner lower part 4 and upper burner part 3 cross-cover.
- the stroke adjustment of the burner lower part 4 via the support frame 11 supported support elements, preferably as Racks 20 are formed and are close to the corner areas of the outline rectangular support frame 11, the inner peripheral surface 21 is already addressed as a guide surface for the burner base 4.
- the racks 20 are supported upwardly against a support flange 22 of the burner base 4 and down against cantilevers 23, which are provided on the burner base 4, wherein in the support against the cantilevers 23 preferably adjusting elements 24, for example in the form of bolts are provided on the the altitude of the burner base 4 to the racks 20 is adjustable.
- the supply device 33 is shown schematically and comprises a funnel-shaped filling opening 34, from which the fuel is fed to a rotary valve 35, not shown, and driven via a shaft 35, via which the feeding of the burner trough 6 takes place by means of a conveying spiral, not shown.
- the conveyor coil is driven by a shaft 36.
- the shafts 35 and 36 are separate drives, or is assigned a common drive, which is part of the supply device 33.
- the drive-connected via a gear 16 with the rack-like profile 15 motor 17 is, as shown in FIG. 1, suitably secured by a support flange 37 on the support frame 11, which passes through the guide slot 13 and optionally also slidably in the guide slot 13, so that a secure meshing with the rack-like profile 15 is ensured even with possibly higher applied drive torques.
- Fig. 7 further illustrates a clamping device 38, as it is useful for securing the operating position of burner base 4 and upper burner part 3, wherein the clamping device 38 preferably in dependence on the stroke position of the racks 20, and thus in dependence on the stroke position between the burner top 3 and Burner base 4 works.
- the clamping device 38 with a clamping hook 39 which is pivotally mounted on the support frame 11 about an axis 40 and which is pivotable about a along a threaded portion 41 of a drive shaft 26 adjustable threaded bush 42 between its release position shown in solid lines and its dashed lines indicated locking position.
- drive shaft is expediently one of the provided in the drive of the racks 20 drive shafts 26, which is provided at least over a portion of its length with a corresponding adjusting thread.
- the drive motor 30 is driven depending on whether or not the blower device, not shown and provided for supplying air to the burner 2, is driven, it can also be ensured in a simple manner that any incorrect operations and accidental opening of the burner 2 occur during the process whose operation is excluded.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Gas Burners (AREA)
- Combustion Of Fluid Fuel (AREA)
- Coating Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810056798 DE102008056798B4 (de) | 2008-11-11 | 2008-11-11 | Brennersystem und dessen Verwendung |
PCT/EP2009/008035 WO2010054802A2 (de) | 2008-11-11 | 2009-11-11 | Brennersystem, insbesondere für mit biofeststoffen befeuerte backofen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2356377A2 true EP2356377A2 (de) | 2011-08-17 |
EP2356377B1 EP2356377B1 (de) | 2013-03-13 |
Family
ID=41621505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09753041A Not-in-force EP2356377B1 (de) | 2008-11-11 | 2009-11-11 | Brennersystem, insbesondere für mit biofeststoffen befeuerte backofen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2356377B1 (de) |
DE (1) | DE102008056798B4 (de) |
WO (1) | WO2010054802A2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010007478A1 (de) | 2010-02-09 | 2011-08-11 | Wörle Umwelttechnik GmbH, 74172 | Beheizter Unterstand |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2528447A (en) * | 1947-08-01 | 1950-10-31 | Russel T Miles | Reversible trash incinerator |
US3599581A (en) * | 1969-05-20 | 1971-08-17 | Fritz Schoppe | Incinerator |
DE3105660C2 (de) * | 1981-02-17 | 1983-11-03 | Asbeck, Heinz, 4600 Dortmund | Vorrichtung zur Verbrennung von Brennölen, insbesondere von rückstandsreichen Altölen |
US6223737B1 (en) * | 1999-09-27 | 2001-05-01 | Carrol E. Buckner | Pellet fuel burning device |
AT501610B1 (de) * | 2005-05-31 | 2006-10-15 | Windhager Zentralheizung Ag | Feststoffheizkessel |
DE102005049276B4 (de) * | 2005-10-14 | 2008-01-03 | Wamsler Haus- und Küchentechnik GmbH | Kaminofen zur Luft- und/oder Wassererwärmung |
DE102006013863B4 (de) | 2006-03-23 | 2009-12-31 | Wörle Umwelttechnik GmbH | Brennersystem, insbesondere für mit Biofeststoffen befeuerte Backöfen |
-
2008
- 2008-11-11 DE DE200810056798 patent/DE102008056798B4/de not_active Expired - Fee Related
-
2009
- 2009-11-11 WO PCT/EP2009/008035 patent/WO2010054802A2/de active Application Filing
- 2009-11-11 EP EP09753041A patent/EP2356377B1/de not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2010054802A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2010054802A3 (de) | 2011-05-12 |
DE102008056798B4 (de) | 2012-02-02 |
EP2356377B1 (de) | 2013-03-13 |
WO2010054802A2 (de) | 2010-05-20 |
DE102008056798A1 (de) | 2010-05-20 |
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