EP1113223A1 - Feuerungsanlage - Google Patents
Feuerungsanlage Download PDFInfo
- Publication number
- EP1113223A1 EP1113223A1 EP00126739A EP00126739A EP1113223A1 EP 1113223 A1 EP1113223 A1 EP 1113223A1 EP 00126739 A EP00126739 A EP 00126739A EP 00126739 A EP00126739 A EP 00126739A EP 1113223 A1 EP1113223 A1 EP 1113223A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- combustion chamber
- fuel
- feed line
- flame
- combustion
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2205/00—Waste feed arrangements
- F23G2205/12—Waste feed arrangements using conveyors
- F23G2205/121—Screw conveyor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2205/00—Waste feed arrangements
- F23G2205/14—Waste feed arrangements using hopper or bin
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/26—Biowaste
- F23G2209/261—Woodwaste
Definitions
- the invention relates to a firing system for comminuted, in particular chips and / or woody fuels such as sawdust, wood chips or the like, with a storage space for the fuel and a supply line with arranged therein Screw conveyor for supplying fuel from the storage room.
- Such automatically loaded firing systems are known. Especially Small combustion plants of this type (output up to about 50 kW) are only for relatively dry fuels with a moisture content of no more than 40 suitable up to 50%. For larger combustion plants, it is already known Predrying should be provided in the combustion chamber, with the fuels going downwards leading stair grate with individual steps slowly to the actual one Burning point are fed. These ovens are well suited for heating damp material in a full load operation. Driving with partial load is hardly possible because sufficient drying will not be achieved.
- DE 37 17 579 A1 also describes a combustion system for burning moist fuels, such as sawdust, wood waste, tree bark or the like, known, the supply channel opening into a combustion chamber and acting as a drying chamber for the fuels, which is connected to a charging device is.
- This drying chamber is surrounded by channels that carry the flue gases after passing through the heat exchanger.
- the object of the invention is to provide a furnace of the type mentioned to be provided, which are not only dry fuels but also for firing of moist fuels with a moisture content of over 50%. According to the invention, this is achieved in that the drying of subsequent supplies Fuel runs through a post-combustion chamber, where in the afterburning room first and second flame channels or rooms for Passage of the hot combustion gases are provided via a flap are alternately connectable to the combustion chamber, the feed line runs through one of these flame channels or spaces and in the other of these flame channels or spaces the flame or hot combustion gases essentially bypassed the feed line. In this way can complete drying of the fuel before it is supplied can be reached in the combustion chamber, even with small combustion systems. Dry fuels can also be burned.
- the feed line opens in a combustion chamber known per se with a lower burn-up.
- the burning zone is on a lower area of the fuels limited in the combustion chamber and the combustion gases pull sideways from the combustion chamber into a post-combustion chamber. It will therefore a very effective one in connection with the pre-dried fuels as well as compactly designed firing system.
- shut-off device between a provided upper and a lower area of the combustion chamber is caused by the sliding of fuel from the upper area of the combustion chamber is interruptible.
- Can be used to switch off the combustion system these shut-off devices are closed, being above the shut-off device there is already pre-dried material so that it can be restarted later the combustion system is possible without any problems.
- the feed line opens in a storage room for dried fuel. Another leads from this Feed line with a screw conveyor arranged therein into a combustion chamber the furnace.
- the shutdown is the firing system in a very simple way possible by the screw conveyor the further supply line from the storage room into the combustion chamber is switched off. To restart the furnace dried fuel is available in the storage room.
- the flap over which the first and second Flame channels or spaces for the passage of the hot combustion gases are alternately connectable to the combustion chamber by a control device can be actuated depending on the moisture of the fuel. It can therefore be used for different moisture contents Optimal drying fuels can be achieved without the fuels pre-burn in the supply line.
- the flap can be from the control device also switched over at relatively short intervals to the heating material during its passage through the supply line to supply the optimal amount of heat for drying.
- the screw conveyor areas with different Inclines, followed by a storage room Area with a smaller slope is provided than in the area in which the Supply line through the flame channel or space for the passage of the combustion gases runs.
- This turns the storage room from the screw conveyor material taken up in the area of the supply line, that in the afterburning room is distributed over a greater length, so that the fuels in Fill the screw conveyor only partially in the area of the larger slope. In the Drying water vapor or the gases that form can pull it off easily.
- a pipe is provided which extends from an upper region of the combustion chamber in a lower area of the combustion chamber, preferably to below the grate to discharge the fuel when it dries Steam or gas formed in the feed line extends. It will the derivation of the water vapor formed during drying or the gases that form in the combustion chamber and further into the post-combustion chamber relieved in which the combustible components burned become.
- an inventive Firing system are in a combustion chamber 1 and afterburning space 2 formed by a hot combustion gases (In the figures only indicated schematically) heat exchanger 3 and escape through the chimney 4.
- the combustion system is included in a storage room 5 stored fuel automatically loaded.
- fuels everyone can possible organic, crushed fuels, such as sawdust, wood chips or the like.
- the automatic loading takes place through a feed line 6, in which one of a motor 8 driven screw conveyor 7 is arranged.
- the feed line 6 opens into the combustion chamber 1, in which a lower burn or underburn he follows.
- a V-shaped, open at the bottom is in the combustion chamber 1
- Metal part 9 is provided, which is arranged above a grating 10 and extends over the length of the combustion chamber 1.
- the burning zone lies in the area of the outer surface of this V-shaped metal part 9 formed gases flow at the lower edges of the V-shaped metal part 9 past or through the grating 10 and escape through the opening 11 the combustion chamber 1 and enter the afterburning room 2. Heating systems with such combustion chambers or afterburning rooms are known.
- fresh air supply openings are both provided in the combustion chamber as well as in the post-combustion chamber, which are not shown in the figures.
- the degree of opening of these fresh air supply openings can in a known manner from a likewise not shown Control device depending on the desired performance of the furnace can be set.
- a flap 12 is arranged, which in a first Position a first room for carrying the combustion gases or a flame channel 13 releases and in a second, shown in dashed lines in Fig. 1 Position a second room for the passage of the hot combustion gases or releases a flame channel 14.
- the rooms or flame channels 13, 14 run along or in a chamotte 15, of which the rest Part of the post-combustion chamber 2 is filled.
- the first room or Flame channel 13 first goes up and then along the top of the afterburning chamber 2 horizontally up to one to the heat exchanger 3 leading opening 16. Through this horizontal part of the room or flame channel 13 runs the feed line 6.
- Flap 12 In the position shown in FIG Flap 12 will thus be in the supply line 6 in the area of the room or Flame channel 13 located combustion material is heated and dried.
- the water vapor or the water vapor that forms Gases get into the combustion chamber 1 and partly through it dried combustion material, partly through the pipes 17, 18, to the opening 11 and further into the post-combustion chamber 2, in which the combustible components are burned.
- the screw conveyor In order to discharge the water vapor formed during drying or To facilitate gases formed, the screw conveyor has 7 areas with different Incline, as indicated schematically in Fig. 1. Im at The slope of the snail adjoining the storage area 5 is essential less than in the area of the post-combustion chamber 2. This will the material taken up by the screw conveyor 7 in the storage space 5 Area of the post-combustion chamber 2 distributed over a greater length, see above that the fuels in the area of the larger slope the screw conveyor only partially fill.
- the fuel is preferably conveyed via the screw conveyor 7 intermittent: a level sensor is arranged in combustion chamber 1.
- a level sensor is arranged in combustion chamber 1.
- the engine 8 is turned on and just as much fuel in the combustion chamber 1 promoted, as before in the feed line 6 inside of the afterburning area has been dried. To the shutdown of the motor 8 is thus the entire supply line with wet Filled with fuel.
- the flap 12 is shown in dashed lines in FIG. 1 Position swiveled. For the flame passing through the opening 11 and the Combustion gases formed thus become the second space or flame channel 14 released. This first leads horizontally through the chamotte 15, wherein it includes an angle to the longitudinal central axis 19 and thereby from the Longitudinal central axis 19 leads away.
- first flame channel 13 In another area it runs vertically above and either opens into the heat exchanger 3 at a further opening or meets the horizontal section of the first flame channel 13 can be another, perpendicular to the longitudinal axis of the furnace extending, horizontal section of the second flame channel 14 is provided his or the horizontal portion of the first flame channel 13 extends over the entire width of the post-combustion chamber 2. In any case, this will the hot combustion gases essentially past the feed line 6 led into the heat exchanger 3.
- a shut-off device 20 is provided. Prevented when closed this is a slipping of fuel from the upper area of the combustion chamber 1, in which the storage of dried fuel thus he follows.
- the fuel still present below the shut-off device 20 burns after closing the shut-off device and then goes out the embers in the burning zone on the outside of the V-shaped metal part 9.
- To restart the shut-off device 20 is opened and the Dried fuel stored above falls on the V-shaped metal part 9 and covered this.
- the fuel is ignited in a known manner by a hot air blower placed on one or both of the bottom edges of the side panels of the V-shaped metal part is directed.
- the feed line could instead of in the combustion chamber also in a separate storage room for dried Fuel. From this, another supply line would be included feed screw into the combustion chamber.
- Such Furnace could also be a single instead of multiple combustion chambers Have combustion chamber to which the dried fuel is supplied.
- This Combustion chamber could in turn have multiple flame channels or rooms through which the hot combustion gases are guided, having a flap is provided for switching between these flame channels or rooms and through one of these flame channels or rooms the supply line for subsequent delivery of fuel runs.
- Moist fuels can also be used with a combustion system according to the invention with a moisture content of 60 to 70% can be burned without any problems. On Switching off and starting again later is easy to implement.
- the invention Firing system is particularly suitable for small firing systems with an output of up to 50 kW, such as that found in single-family houses be used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Drying Of Solid Materials (AREA)
- Solid-Fuel Combustion (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
Description
- 1
- Verbrennungsraum
- 2
- Nachverbrennungsraum
- 3
- Wärmetauscher
- 4
- Kamin
- 5
- Vorratsraum
- 6
- Zuführleitung
- 7
- Förderschnecke
- 8
- Motor
- 9
- V-förmiges Metallteil
- 10
- Gitterrost
- 11
- Öffnung
- 12
- Klappe
- 13
- erster Flammenkanal
- 14
- zweiter Flammenkanal
- 15
- Schamottierung
- 16
- Öffnung
- 17
- Rohr
- 18
- Rohr
- 19
- Längsmittelachse
- 20
- Absperreinrichtung
Claims (7)
- Feuerungsanlage für zerkleinerte, insbesondere späne- und/oder schnitzelförmige Brennstoffe, wie Sägemehl, Hackschnitzel od. dgl., mit einem Vorratsraum für den Brennstoff und einer Zuführleitung mit darin angeordneter Förderschnecke zur Nachlieferung von Brennstoff aus dem Vorratsraum, dadurch gekennzeichnet, daß zur Trocknung von nachzulieferndem Brennstoff die Zuführleitung (6) durch einen Nachverbrennungsraum (2) verläuft, wobei im Nachverbrennungsraum erste und zweite Flammenkanäle (13, 14) bzw. Räume zur Durchleitung der heißen Verbrennungsgase vorgesehen sind, die über eine Klappe (12) abwechselnd mit dem Verbrennungsraum (1) verbindbar sind, wobei die Zuführleitung durch einen dieser Flammenkanäle (13) bzw. Räume verläuft und im anderen dieser Flammenkanäle (14) bzw. Räume die Flamme bzw. heißen Verbrennungsgase im wesentlichen an der Zuführleitung (6) vorbeigeleitet werden.
- Feuerungsanlage nach Anspruch 1, dadurch gekennzeichnet, daß die Zuführleitung (6) in einen an sich bekannten, für einen unteren Abbrand ausgebildeten Verbrennungsraum (1) mündet, der vorzugsweise mit einem Nachverbrennungsraum (2) verbunden ist.
- Feuerungsanlage nach Anspruch 2, dadurch gekennzeichnet, daß eine Absperreinrichtung (20) zwischen einem oberen und einem unteren Bereich des Verbrennungsraumes (1) vorgesehen ist, durch die das Nachrutschen von Brennstoff aus dem oberen Bereich des Verbrennungsraumes (1) unterbrechbar ist.
- Feuerungsanlage nach Anspruch 1, dadurch gekennzeichnet, daß die Zuführleitung (6) in einen Lagerraum für getrockneten Brennstoff mündet, aus welchem eine weitere Zuführleitung mit darin angeordneter Förderschnecke in einen Verbrennungsraum führt.
- Feuerungsanlage nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Klappe (12) von einer Steuerungseinrichtung in Abhängigkeit von der Feuchtigkeit des Brennstoffes betätigbar ist.
- Feuerungsanlage nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Förderschnecke (7) Bereiche mit unterschiedlichen Steigungen aufweist, wobei anschließend an den Vorratsraum (5) ein Bereich mit einer kleineren Steigung vorgesehen ist als im Bereich, in dem die Zuführleitung (6) durch den Flammenkanal (13) bzw. Raum zur Durchführung der Verbrennungsgase verläuft.
- Feuerungsanlage nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß im Verbrennungsraum (1) zumindest ein Rohr (17, 18) vorgesehen ist, welches sich von einem oberen Bereich des Verbrennungsraumes (1) in einen unteren Bereich des Verbrennungsraumes (1), vorzugsweise bis unterhalb des Rostes (10), zur Ableitung des bei der Trocknung des Brennstoffes in der Zuführleitung (6) gebildeten Dampfes bzw. Gases erstreckt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT00126739T ATE273482T1 (de) | 1999-12-27 | 2000-12-06 | Feuerungsanlage |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT218899 | 1999-12-27 | ||
AT0218899A AT408270B (de) | 1999-12-27 | 1999-12-27 | Feuerungsanlage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1113223A1 true EP1113223A1 (de) | 2001-07-04 |
EP1113223B1 EP1113223B1 (de) | 2004-08-11 |
Family
ID=3529605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00126739A Expired - Lifetime EP1113223B1 (de) | 1999-12-27 | 2000-12-06 | Feuerungsanlage |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1113223B1 (de) |
AT (2) | AT408270B (de) |
DE (1) | DE50007372D1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1331443A1 (de) * | 2002-01-23 | 2003-07-30 | Schwäbische Hüttenwerke GmbH | Vorrichtung zur Einbringung von Sekundärbrennstoffen in eine Verbrennungsanlage |
EP1384948A1 (de) * | 2002-07-23 | 2004-01-28 | Norsk Inova AS | Verfahren und Einrichtung zur Abfallverarbeitung, insbesondere von feuchtem Abfall in einem Verbrennungsofen |
WO2015005755A1 (en) * | 2013-07-11 | 2015-01-15 | Uab "Enasa" | Installation for sewage sludge recovery and recycling into ecological products |
CN108758652A (zh) * | 2018-08-28 | 2018-11-06 | 淮安中科环保电力有限公司 | 垃圾预热干化装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3717579A1 (de) | 1987-05-25 | 1988-12-08 | Gregor Pollmeier | Kessel |
EP0841519A1 (de) * | 1996-11-07 | 1998-05-13 | Perge Société à Responsabilité Limitée | Verfahren und Anlage zur Behandlung durch Verbrennung von Abfällen, und zur Wärmerückgewinnung |
-
1999
- 1999-12-27 AT AT0218899A patent/AT408270B/de not_active IP Right Cessation
-
2000
- 2000-12-06 EP EP00126739A patent/EP1113223B1/de not_active Expired - Lifetime
- 2000-12-06 AT AT00126739T patent/ATE273482T1/de not_active IP Right Cessation
- 2000-12-06 DE DE50007372T patent/DE50007372D1/de not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3717579A1 (de) | 1987-05-25 | 1988-12-08 | Gregor Pollmeier | Kessel |
EP0841519A1 (de) * | 1996-11-07 | 1998-05-13 | Perge Société à Responsabilité Limitée | Verfahren und Anlage zur Behandlung durch Verbrennung von Abfällen, und zur Wärmerückgewinnung |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1331443A1 (de) * | 2002-01-23 | 2003-07-30 | Schwäbische Hüttenwerke GmbH | Vorrichtung zur Einbringung von Sekundärbrennstoffen in eine Verbrennungsanlage |
EP1384948A1 (de) * | 2002-07-23 | 2004-01-28 | Norsk Inova AS | Verfahren und Einrichtung zur Abfallverarbeitung, insbesondere von feuchtem Abfall in einem Verbrennungsofen |
WO2015005755A1 (en) * | 2013-07-11 | 2015-01-15 | Uab "Enasa" | Installation for sewage sludge recovery and recycling into ecological products |
CN108758652A (zh) * | 2018-08-28 | 2018-11-06 | 淮安中科环保电力有限公司 | 垃圾预热干化装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1113223B1 (de) | 2004-08-11 |
AT408270B (de) | 2001-10-25 |
ATE273482T1 (de) | 2004-08-15 |
ATA218899A (de) | 2001-02-15 |
DE50007372D1 (de) | 2004-09-16 |
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