EP1081434B1 - Vorrichtung zur Erzeugung einer rotierenden Strömung - Google Patents
Vorrichtung zur Erzeugung einer rotierenden Strömung Download PDFInfo
- Publication number
- EP1081434B1 EP1081434B1 EP00117240A EP00117240A EP1081434B1 EP 1081434 B1 EP1081434 B1 EP 1081434B1 EP 00117240 A EP00117240 A EP 00117240A EP 00117240 A EP00117240 A EP 00117240A EP 1081434 B1 EP1081434 B1 EP 1081434B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzles
- wall
- incineration plant
- opposite
- walls
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000002347 injection Methods 0.000 claims description 42
- 239000007924 injection Substances 0.000 claims description 42
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 32
- 239000003546 flue gas Substances 0.000 claims description 32
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 description 15
- 238000002156 mixing Methods 0.000 description 12
- 230000007704 transition Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- 241000251539 Vertebrata <Metazoa> Species 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
- F23L9/02—Passages or apertures for delivering secondary air for completing combustion of fuel by discharging the air above the fire
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/10—Combustion in two or more stages
- F23G2202/106—Combustion in two or more stages with recirculation of unburned solid or gaseous matter into combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/07002—Injecting inert gas, other than steam or evaporated water, into the combustion chambers
Definitions
- the invention relates to a combustion plant according to the characteristics of Preamble of claim 1.
- the flow channels are used to by means of the media of the composition of the Flow duct of the incinerator removed Flue gas mixture and its temperature and its To regulate residence time.
- composition, Temperature and residence time not only regulated but before everything be evened out. This way you can an optimal afterburning of the flue gas mixture ensures and can achieve the desired, low Emmisionshong be respected. For this is one complete mixing of the flue gas mixture necessary. By generating rotating currents in the flow channel by means of devices with corresponding nozzle arrangements you try this to achieve complete mixing.
- a generic combustion system is for example off US-A-5,252,298.
- the arranged in a plane Nozzles are tangential to one in the middle of the Flow channel imaginary circular line aligned, so that in the flow channel a rotating flow is generated.
- incinerator is the flow rate through each other in the flow channel arranged opposite nozzles controlled so that at least two oppositely rotating currents in the Flow channel arise.
- the problem with these known rotating currents is that in the middle the flow creates an almost vertebrate free eye, so that no complete mixing and therefore no uniform composition, temperature distribution and Residence time is obtained.
- Object of the present invention is therefore, a economic incineration plant to provide, with the complete mixing of flue gas mixtures obtained in the flow channel of the incinerator.
- This object is fulfilled by a combustion plant according to the features of claim 1.
- first nozzles according to Claim 1 Due to the special arrangement of first nozzles according to Claim 1 in a Eindüsebene in at least a first Wall section per wall, the at least a first Wall section of the opposite wall at an angle and the orientation of the first nozzles so in the injection level, that in the injection level lying angle between the wall and a dive Beam is at least approximately 90 °, becomes one generates a rotating flow in the flow channel and the others a very good mixing of the flue gas mixture reached.
- diagonally opposite is meant that the first wall sections for swirling the flowing material in the projection about in the direction of the jet flowing through the first nozzles is not or overlap only partially laterally.
- first nozzles on first wall sections with a length 1 of 50% and more is ensured that rays of doused media to the center of the Pass flow channel.
- Injection level in addition to the first nozzles in one second wall portion at an angle ⁇ to the first nozzles and diagonally against the center of the Flow channels aligned, provided second nozzles, which further improves the mixing.
- each wall several first and especially also prefers several second wall sections with first or second nozzles, so that vortex areas with counterrotating vortices are generated, causing the Blending even further improved.
- each of the second nozzles with a Eindüskomponente a different angle ⁇ over the Have injection level or nozzles all the other nozzles with a Eindüskomponente in the same by the angle ⁇ plane tilted in relation to the injection plane Flow channel. That's how the rays are These nozzles are adjustable so that they are helical ineianderfliessen.
- first Nozzles arranged in a first wall section.
- the first wall sections are in the circumferential direction contrary to the rotating flow at the beginning of each Wall, leaving it from the first wall section of the wall adjacent wall are spaced and not each other touch.
- the nozzles of all four walls can also in two parallel directions of flow be arranged spaced injection levels, wherein each other opposite nozzles are arranged in a plane.
- fresh secondary air and / or recirculated flue gas injected.
- fresh Secondary air and recirculated flue gas are preferably provided annular gap nozzles. It exists the core jet of the annular gap nozzles from recirculated Flue gas and the ring stream of fresh secondary air.
- control system with its Help the throughput of the media to be atomized at least for opposite walls arranged nozzles is independently controllable.
- Figs. 1a to 4a are of a waste incineration plant in each case a section of a flue gas outlet 10 as well a combustion chamber 12 and a transition region 20 between Combustion chamber 12 and flue 10 with a flame blanket 14 shown in section along the flue gas outlet 10.
- Flue gas mixtures is a rectangular flow channel 18th provided, the transition area 20 of the Combustion chamber 12 to the flue gas outlet 10 and the flue gas outlet 10 includes.
- the principal flow direction of Flue gas mixture is indicated by an arrow 16.
- FIGS. 1b to 4b sections are respectively transverse to Flow channel 18 shown in the region of a feed plane 22, in which nozzles 24 for injecting verdüsbarer media are arranged.
- the nozzles 24 and their orientation are in all representations represented by arrows.
- the Müllmanntechnik is indicated by an arrow 9.
- All the embodiments shown in FIGS. 1 a to 4 b have first wall sections 28 with a length l 1 of at least approximately two opposite walls 26 of at least approximately 40% to 80% of the wall width b of a wall 26.
- the first wall sections 28 are in each case point-symmetrical with respect to the central longitudinal axis 32 of the flow channel 18 as a geometric axis of symmetry and are bounded on one side by the adjacent wall 26.
- first nozzles 24a are arranged in a row 22 in a row.
- the first nozzles 24a are aligned in the injection plane 22, so that they inject into this, wherein the lying in the injection plane angle ⁇ between injected jet 30 and wall 26 is about 90 °. This arrangement of nozzles 24 allows a good mixing of the excited in the flow channel 18 for rotation and flowing in the direction 16 flue gas mixture.
- the injection level 22 is in all examples in the range the flame blanket 14, which in the transition region 20 between Flue gas outlet 10 and combustion chamber 12 is arranged.
- the Flammdecke 14 is penetrated either even by nozzles 24, as shown in all four examples, and / or it is via nozzles 24a ', 24b' ', which in walls (26) are arranged laterally below the flame blanket (14), with undermined media ", as shown in Figs. 2 to 4 is shown. In this way, the flame blanket 14 Cooled by the injected media.
- first wall portions 28 are provided with a length l 1 of about 40% to 50% of the wall width b.
- second wall section 34 with length l 2
- the row of the first nozzles 24a in the first wall section 28 are complementary
- second nozzles 24b which are aligned at an angle ⁇ with respect to the first nozzle 24a obliquely against the center of the flow channel 18 represented by the central longitudinal axis 32 are.
- the angle ⁇ is in this example about 25 °, but it can be between 20 ° and 50 °.
- the lengths l 1 and l 2 of the two wall sections 28, 34 complement each other in this example to the entire wall width b, but this need not necessarily be so.
- the second nozzles 24b are aligned in a common plane 36, which is tilted by the angle ⁇ with respect to the injection plane 22.
- the angle ⁇ in this example is about 10 °, but may vary and be between 5 ° and 15 °.
- the second nozzles 24b are aligned such that the beams 30 generated by them flow into one another helically.
- the second nozzles 24b may also be tilted at individual angles ⁇ with respect to the injection plane 22.
- Figs. 2a to 2c is an embodiment shown in the on all four walls 26 of the Flow channel 18 first nozzles 24a in a first Wall section 28 and second nozzles 24b in a second Wall section 34 analogous to that in Figs. 1a and 1b illustrated embodiment are arranged.
- the first Wall sections 28 are opposite in the circumferential direction the rotating flow respectively at the beginning of a wall 26th arranged.
- the nozzles 24a, 24b and 24a ', 24a' ', 24b', 24b '' are in two parallel, in the flow direction spaced-apart injection planes 22 and 22 * arranged, with nozzles 24 at opposite ends Walls 26 in a common injection plane 22, 22 * are arranged.
- the distance d between the injection planes 22, 22 * can be between 0.4m and 3m.
- first wall sections 28 with first nozzles 24a are arranged in a single injection plane 22 on all four walls 26 of the flow channel 18.
- the length l 1 of the first wall sections 28 is well above 0.5b, preferably at 0.55b to 0.75b.
- the remainder of each wall 26 remaining on the entire wall width b is free of nozzles 24.
- the nozzles 24a instead of in one single injection plane 22 (see Fig. 3a, 3b) in two to arrange parallel injection planes 22 and 22 *, as shown in Figs. 4a, 4b.
- All nozzles are designed so that the media to be injected with can be injected at a pressure of 500Pa to 5000Pa.
- annular gap nozzle 24 * is shown as they For example, for injecting fresh secondary air and recirculated flue gas is provided. Shown is a first supply line 40 for the supply of a first Medium, in this case recirculated flue gas, in one formed as a core nozzle 42 and a core jet producing nozzle part and a second supply line 44 for the supply of a second medium, in this case fresh secondary air, in an annular gap 46th trained and producing a ring beam Nozzle part.
- a first supply line 40 for the supply of a first Medium, in this case recirculated flue gas, in one formed as a core nozzle 42 and a core jet producing nozzle part
- a second supply line 44 for the supply of a second medium, in this case fresh secondary air, in an annular gap 46th trained and producing a ring beam Nozzle part.
- a control system 48 Via a control system 48, as shown in Fig. 6 for Ringspaltdüsen 24 * is shown, the different conditions, as on different Sides of the flow channel 18 can prevail, better Be taken into account.
- the throughputs of media to be injected are via the control system 48 and the valves 54 in the example shown with respect to the Garbage flow 9 upstream half 52 and the downstream half 50 of the flow channel 18th independently controllable. It would also be possible to have one separate control of the flow rates for the nozzles 24th on all four walls 26.
- nozzles 24 are provided for secondary air and nozzles 24 for recirculated flue gas. These nozzles 24 can be arranged either mixed in a row next to each other or in two rows one above the other, so that there is a separate injection level 22 for each nozzle 24. If annular gap nozzles 24 * are provided, then the core jet consists of flue gas and the ring jet of secondary air, as described for FIG. 5.
- the embodiments shown here give the invention not conclusively again.
- the device also in incinerators and To use waste incineration plants, in which the Transition region 20 between the combustion chamber 12 and Flue gas outlet 10 characterized by a constriction is.
- more injection levels 22 deeper in the Combustion chamber 12 or higher in the flue gas outlet 10th be provided.
- flue gas and Secondary air can also use other media such as water vapor Activated carbon, hearth furnace coke (HOK), waste z. B. in the context a residue recycling, fuels u.a.m. injected become.
- the device can be used. In the same Direction of rotation as the first nozzles 24a can burner 2m to 3m above the injection plane 22 at two each other be arranged opposite walls 26.
- FIG. 7 shows a further embodiment of the invention in which two counter-rotating vortices 60 ', 61' are produced.
- the device emerges from the device shown in Fig. 2b by reflection on the bottom wall 26, ie the first and second nozzles shown therein are doubled.
- the walls 26 of the device each have two first wall sections 28a1 and 28a2 or 28b1 and 28b2 with first nozzles 24a.
- the first nozzles 24a of the first wall sections 28a2, 28b2 in the lower half of the cross-section are arranged obliquely opposite each other and produce a clockwise-rotating first vortex 61 '. This is amplified by the second nozzles 24b of the second wall portions 34a2, 34b2.
- the second nozzles 24b radiate in a direction offset by +/- ⁇ with respect to the jet direction of the first nozzles.
- These second wall portions 34a2, 34b2 are also opposite each other obliquely.
- the wall regions in the lower half of the illustrated cross-section define a first vortex region 61.
- a second vortex region 60 is defined by the first and second wall sections 28a1, 28b1, 34a1, 34b1 in the upper part of FIG.
- the local second vortex 60 'rotates counterclockwise.
- the first wall sections 28a1, 28a2, 28b1, 28b2 each have a length l 1 .
- first wall sections 28a1 and 28b1 (second swirl 60 ') and 28a2 and 28b2 (second swirl 61') define the direction of rotation of the swirl 60 ', 61'.
- the second nozzles 24b then radiate to enhance the rotation, ie tangentially in the direction of rotation, to an imaginary circle about the center of the vortex 60 'and 61', respectively.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Incineration Of Waste (AREA)
- Chimneys And Flues (AREA)
Description
- Fig. 1a, b
- eine erste Ausführungsform der Erfindung mit an zwei einander gegenüberliegenden Wänden eines rechteckigen Strömungskanals angeordneten ersten Düsen und zweiten Düsen, wobei Fig. 1a den Schnitt längs des Strömungskanals und Fig. 1b einen Schnitt quer zum Strömungskanal zeigt;
- Fig. 2a, b, c
- eine zweite Ausführungsform der Erfindung mit einer Anordnung der Düsen analog derjenigen aus den Fig. 1a und 1b, wobei jedoch an den anderen zwei Wänden des rechteckigen Strömungskanals ebenfalls Düsen angeordnet sind und zwar in einer zweiten, zur ersten Eindüsebene in Strömungsrichtung beabstandeten, parallelen Eindüsebene und die Darstellung in Fig. 2a analog zu der aus Fig. 1a und die Darstellungen in den Fig. 2b und 2c analog derjenigen aus 1b sind.;
- Fig. 3a, b
- eine dritte Ausführungsform der Erfindung mit ersten Düsen an allen vier Wänden des rechteckigen Strömungskanals in einer Eindüsebene mit Darstellung analog den Fig. 1a und 1b;
- Fig. 4a, b,
- eine vierte Ausführungsform der Erfindung mit ersten Düsen an allen vier Wänden des rechteckigen Strömungskanals, wobei die Düsen in zwei voneinander in Strömungsrichtung beabstandete, parallelen Eindüsebenen verteilt sind und zwar jeweils einander gegenüberliegende erste Düsen in einer Eindüsebene und mit Darstellung analog den Fig. 1a und 1b;
- Fig. 5
- ein Beispiel für eine Ringspaltdüse;
- Fig. 6
- ein Steuerungssystem für die getrennte Steuerung der Durchsatzmenge für an verschiedenen Wänden angeordnete Düsen;
- Fig. 7
- eine weitere Ausführungsform der Erfindung zur Erzeugung von wenigstens zwei gegenläufig rotierenden Wirbeln.
Claims (16)
- Verbrennugsanlage mit einem rechteckigen Strömungskanal (18), der einen Rauchgasabzug (10) der Verbrennungsanlage insbesondere einer Müllverbrennungsanlage, umfasst, mit mehreren in einer Eindüsebene (22) an zwei einander gegenüberliegenden, den Strömungskanal (18) begrenzenden Wänden (26) mit Wandbreite b angeordneten Düsen (24) für verdüsbare Medien, dadurch gekennzeichnet, dass der Strömungskanal (18) einen Übergangsbereich (20) von einer Brennkammer (12) der Verbrennungsanlage zum Rauchgasabzug (10) umfasst und dass jeweils in wenigstens einem ersten Wandabschnitt (28, 28a1, 28a2, 28b1, 28b2) der beiden einander gegenüberliegenden Wände (26) erste Düsen (24a) in einer Reihe derart ausgerichtet sind, dass sie in die Eindüsebene (22) eindüsen und der in der Eindüsebene (22) liegende Winkel γ zwischen der Wand (26) und einem eingedüsten Strahl (30) wenigstens annähernd 90° beträgt, wobei die Summe L der Längen 1 der ersten Wandabschnitte (28, 28a1, 28a2, 28b1, 28b2) wenigstens annähernd 0.4b < L < 0.8b beträgt und der wenigstens eine erste Wandabschnitt (28, 28a1, 28a2) der einen Wand dem wenigstens einen ersten Wandabschnitt (28, 28b1, 28b2) der gegenüberliegenden Wand schräg gegenüberliegt, wobei sich die Wandabschnitte in der Projection etwa in Richtung des durch die ersten Düsen einströmendes Strahls nicht oder nur teilweise seitlich überlappen.
- Verbrennungsanlage nach Anspruch 1, dadurch gekennzeichnet, dass die gegenüberliegenden Wände jeweils einen ersten Wandabschnitt (28) aufweisen, die mit der Mittellängsachse (32) des Strömungskanals (18) als Symmetrieachse einander punktsymmetrisch gegenüberliegen und auf einer Seite durch die benachbarte Wand (26) begrenzt werden.
- Verbrennungsanlage nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass jeweils in der Eindüsebene (22) in wenigstens einem zweiten Wandabschnitt (34, 34a1, 34a2, 34b1, 34b2) der beiden gegenüberliegenden Wände (26) zweite Düsen (24b) angeordnet sind, wobei für den in der Eindüsebene liegenden Winkel β zwischen den von den ersten und den zweiten Düsen (24a, 24b) eingedüsten Strahlen gilt, dass |β|> 0° ist, vorzugsweise 20°<|β|<50°, und vorzugsweise der wenigstens eine zweite Wandabschnitt (34, 34a1, 34a2, 34b1, 34b2) der einen Wand dem wenigstens einen zweiten Wandabschnitt (34, 34a1, 34a2, 34b1, 34b2) der gegenüberliegenden Wand schräg gegenüberliegt.
- Verbrennungsanlage nach Anspruch 3, dadurch gekennzeichnet, dass zur Erzeugung von einem rotierenden Wirbel jede der beiden gegenüberliegenden Wände einen ersten (28) und einen zweiten Wandabschnitt (34) aufweist und die ersten und die zweiten Wandabschnitte mit der Mittellängsachse (32) des Strömungskanals (18) als Symmetrieachse einander jeweils punktsymmetrisch gegenüberliegen und auf einer Seite durch die benachbarte Wand (26') begrenzt werden.
- Verbrennungsanlage nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass zur Erzeugung von wenigstens zwei gegenläufig rotierenden Wirbeln jede der beiden gegenüberliegenden Wände wenigstens zwei erste Wandabschnitte (28, 28a1, 28a2, 28b1, 28b2) aufweist
- Verbrennungsanlage nach Anspruch 5, dadurch gekennzeichnet, dass jede der beiden gegenüberliegenden Wände zusätzlich zwei zweite Wandabschnitte aufweist, wobei jeweils ein erster (28a1, 28a2) und ein zweiter (34a1, 34a2) Wandabschnitt der einen Wand mit den direkt gegenüberliegenden zweiten (34b1, 34b2) bzw. ersten (28b1, 28b2) Wandabschnitten der gegenüberliegenden Wand einen Wirbelbereich (60, 61) bilden und wobei die von den zweiten Düsen (24b) eingedüsten Strahlen in einem ersten Wirbelbereich (61) um +|β| und in einem zweiten Wirbelbereich (60) um -|β| gegen die von den ersten Düsen (24a) eingedüsten Strahlen geneigt sind.
- Verbrennungsanlage nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass die zweiten Düsen (24b) des zweiten Wandabschnittes (34) mit einer Eindüskomponente in einem Winkel α, der vorzugsweise zwischen 5° und 15° liegt, bezüglich der Eindüsebene (22) und vorzugsweise in eine gemeinsamen Ebene (36) in Richtung der Strömung im Strömungskanal (18) ausgerichtet sind.
- Verbrennungsanlage nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass alle vier Wände (26) des Strömungskanals (18) einen ersten Wandabschnitt (28) mit ersten Düsen (24a) aufweisen, wobei die ersten Wandabschnitte (28) in Umfangsrichtung entgegen der rotierenden Strömung jeweils am Beginn einer Wand (26) und vom ersten Wandabschnitt (28) der benachbarten Wand (26) beabstandet angeordnet sind.
- Verbrennungsanlage nach Anspruch 8, dadurch gekennzeichnet, dass die Düsen (24) aller vier Wände (26) in derselben Eindüsebene (22) liegen.
- Verbrennungsanlage nach Anspruch 8, dadurch gekennzeichnet, dass die Düsen (24) in zwei parallelen, in Strömungsrichtung voneinander beabstandeten Eindüsebenen (22, 22*) angeordnet sind, wobei einander gegenüberliegende Düsen in der selben Eindüsebene (22, 22*) liegen.
- Verbrennungsanlage nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, dass einander schräg bzw. punktsymmetrisch gegenüberliegende Wandabschnitte (28, 34) annähernd die gleiche Länge 1 aufweisen.
- Verbrennungsanlage nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass der Speisedruck mit dem die verdüsbaren Medien in die Düsen gelangen zwischen 500Pa und 5000Pa liegt und dass mittels eines Steuerungssystems (48) die Durchsatzmenge für an verschiedenen Wänden (26) angeordnete Düsen (24) vorzugsweise unabhängig voneinander steuerbar ist.
- Verbrennungsanlage nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass als Düsen (24) Ringspaltdüsen (24*) vorgesehen sind.
- Verbrennungsanlage nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass Düsen (24) zum Verdüsen von Sekundärluft und rezirkuliertem Rauchgas vorgesehen sind.
- Verbrennungsanlage nach Anspruch 13, dadurch gekennzeichnet, dass der Kernstrahl der Ringspaltdüsen aus rezirkuliertem Rauchgas und der Ringstrahl aus Sekundärluft besteht.
- Verbrennungsanlage nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass wenigstens eine Eindüsebene (22) im Bereich einer im Übergangsbereich (20) angeordneten Flammdecke (14) liegt, so dass die Flammdecke (14) entweder von Düsen (24, 38) durchsetzt ist und/oder die Düsen (24, 38) in Wänden (26) seitlich unterhalb der Flammdecke (14) so angeordnet sind, dass sie die Flammdecke (14) eindüsend kühlen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH158599 | 1999-08-30 | ||
| CH01585/99A CH694305A5 (de) | 1999-08-30 | 1999-08-30 | Vorrichtung zur Erzeugung einer rotierenden Stroemung. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1081434A1 EP1081434A1 (de) | 2001-03-07 |
| EP1081434B1 true EP1081434B1 (de) | 2004-10-13 |
| EP1081434B2 EP1081434B2 (de) | 2008-12-31 |
Family
ID=4213860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00117240A Expired - Lifetime EP1081434B2 (de) | 1999-08-30 | 2000-08-14 | Vorrichtung zur Erzeugung einer rotierenden Strömung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6938561B1 (de) |
| EP (1) | EP1081434B2 (de) |
| JP (1) | JP3750014B2 (de) |
| KR (1) | KR100465934B1 (de) |
| CH (1) | CH694305A5 (de) |
| CZ (1) | CZ297291B6 (de) |
| DE (1) | DE50008206D1 (de) |
| TW (1) | TW454082B (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10160756A1 (de) * | 2001-12-11 | 2003-06-18 | Fritz Schoppe | Verfahren zum Verbrennen von Abfällen und Vorrichtung zum Behandeln der Abgase einer Abfallverbrennung |
| WO2003083370A1 (en) * | 2002-04-03 | 2003-10-09 | Seghers Keppel Technology Group Nv | Method and device for controlling injection of primary and secondary air in an incineration system |
| AU2003203838B2 (en) * | 2002-04-26 | 2008-02-07 | Le Mac Australia Holdings Pty Ltd | Shrink sleeve |
| KR100657147B1 (ko) * | 2004-12-08 | 2006-12-12 | 두산중공업 주식회사 | 공해 물질 저감을 위한 혼합 촉진구조 및 이를 이용한혼합촉진방법 |
| FR2910113B1 (fr) * | 2006-12-14 | 2009-02-13 | Veolia Proprete Sa | Four d'incineration a recuperation d'energie optimisee |
| US20090151609A1 (en) * | 2007-12-15 | 2009-06-18 | Hoskinson Gordon H | Incinerator with pivoting grating system |
| KR100903778B1 (ko) * | 2008-12-03 | 2009-06-19 | 한국기계연구원 | 순산소석탄연소 로내고온탈황용 석회석 평면분사장치 |
| KR101032608B1 (ko) * | 2010-11-30 | 2011-05-06 | 현대건설주식회사 | 유기성 폐기물 처리장치 |
| EP2505919A1 (de) | 2011-03-29 | 2012-10-03 | Hitachi Zosen Inova AG | Verfahren zur Optimierung des Ausbrands von Abgasen einer Verbrennungsanlage durch Homogenisierung der Abgase über dem Brennbett mittels Abgas-Einspritzung |
| JP2015068517A (ja) * | 2013-09-27 | 2015-04-13 | 日立造船株式会社 | 焼却炉における燃焼運転方法および焼却炉 |
| DE102016002899B4 (de) * | 2016-03-09 | 2020-03-12 | Johannes Kraus | Feuerraum mit verbessertem Ausbrand |
| JP6797084B2 (ja) * | 2017-06-27 | 2020-12-09 | 川崎重工業株式会社 | 二次燃焼用気体供給方法、二次燃焼用気体供給構造、及び廃棄物焼却炉 |
| CN109405276B (zh) * | 2018-09-30 | 2021-07-27 | 农业部规划设计研究院 | 一种秸秆捆烧锅炉清洁供暖系统 |
| JP6620213B2 (ja) * | 2018-11-28 | 2019-12-11 | 株式会社神鋼環境ソリューション | 二次燃焼設備 |
| WO2025228764A1 (en) | 2024-04-29 | 2025-11-06 | Kanadevia Inova Ag | Waste incineration plant and method for operating the same |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3788796A (en) * | 1973-05-09 | 1974-01-29 | Babcock & Wilcox Co | Fuel burner |
| JPS55105104A (en) | 1979-02-07 | 1980-08-12 | Babcock Hitachi Kk | Low-nox burner |
| JPS5893609U (ja) * | 1981-12-18 | 1983-06-24 | 三菱重工業株式会社 | 燃料ガスの燃焼装置 |
| US4570551A (en) * | 1984-03-09 | 1986-02-18 | International Coal Refining Company | Firing of pulverized solvent refined coal |
| JPS6218802A (ja) | 1985-07-18 | 1987-01-27 | Mitsubishi Electric Corp | 円偏波ホ−ンアンテナ装置 |
| DE3531571A1 (de) * | 1985-09-04 | 1987-03-05 | Steinmueller Gmbh L & C | Verfahren zum verfeuern von brennstoffen unter reduzierung der stickoxidbelastung und feuerung zur durchfuehrung des verfahrens |
| US5020456A (en) * | 1990-02-28 | 1991-06-04 | Institute Of Gas Technology | Process and apparatus for emissions reduction from waste incineration |
| JPH076621B2 (ja) | 1990-06-21 | 1995-01-30 | 株式会社クボタ | 焼却炉の二次空気吹込み方法 |
| US5078064B1 (en) * | 1990-12-07 | 1999-05-18 | Gas Res Inst | Apparatus and method of lowering no emissions using diffusion processes |
| US5252298A (en) | 1991-04-23 | 1993-10-12 | Noell, Inc. | Device for cleaning gases |
| JPH0526421A (ja) * | 1991-07-19 | 1993-02-02 | Sanki Eng Co Ltd | ごみ焼却炉のごみ燃焼方法 |
| JP2758090B2 (ja) * | 1991-10-21 | 1998-05-25 | 株式会社クボタ | 焼却炉におけるco制御方法 |
| JPH06272836A (ja) * | 1993-03-22 | 1994-09-27 | Takuma Co Ltd | 焼却炉におけるco低減方法 |
| JP3383959B2 (ja) | 1993-10-07 | 2003-03-10 | 三機工業株式会社 | ごみ焼却炉のごみ燃焼方法及びその装置 |
| SE503453C2 (sv) * | 1994-06-20 | 1996-06-17 | Kvaerner Pulping Tech | Sodapanna med ett sekundärlufttillflöde som åstadkommer en rotation av förbränningsgaserna och en förträngning av pannan ovanför lutinsprutningen samt ett förfarande vid en sådan panna |
| DE19648639C2 (de) | 1996-10-10 | 1998-09-17 | Steinmueller Gmbh L & C | Verfahren zum Verbrennen von Brennstoff auf einem Rost und Rostfeuerung zur Durchführung des Verfahrens |
| JPH10205734A (ja) | 1997-01-14 | 1998-08-04 | Takuma Co Ltd | ストーカ式燃焼炉における2次空気の供給方法 |
| DE19705938A1 (de) * | 1997-02-17 | 1998-08-20 | Abb Research Ltd | Verfahren zum Eindüsen von Sekundärluft und/oder Tertiärluft sowie von rezirkulierenden Rauchgasen in einem Kessel sowie Vorrichtung zur Durchführung des Verfahrens |
| JPH10288325A (ja) | 1997-04-16 | 1998-10-27 | N K K Plant Kensetsu Kk | ごみ焼却炉燃焼排ガス中のダイオキシン類発生抑制方法 |
| JPH1151367A (ja) | 1997-08-01 | 1999-02-26 | Suzuki Tsutomu | 焼却炉の燃焼方法、及び焼却炉の燃焼室構造 |
| DE19939672B4 (de) † | 1999-08-20 | 2005-08-25 | Alstom Power Boiler Gmbh | Feuerungssystem sowie Verfahren zur Wärmeerzeugung durch Verbrennung |
-
1999
- 1999-08-30 CH CH01585/99A patent/CH694305A5/de not_active IP Right Cessation
-
2000
- 2000-08-02 TW TW089115525A patent/TW454082B/zh not_active IP Right Cessation
- 2000-08-14 DE DE2000508206 patent/DE50008206D1/de not_active Expired - Lifetime
- 2000-08-14 EP EP00117240A patent/EP1081434B2/de not_active Expired - Lifetime
- 2000-08-29 KR KR10-2000-0050424A patent/KR100465934B1/ko not_active Expired - Fee Related
- 2000-08-30 US US09/650,533 patent/US6938561B1/en not_active Expired - Lifetime
- 2000-08-30 CZ CZ20003153A patent/CZ297291B6/cs not_active IP Right Cessation
- 2000-08-30 JP JP2000260826A patent/JP3750014B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR100465934B1 (ko) | 2005-01-13 |
| DE50008206D1 (de) | 2004-11-18 |
| CZ20003153A3 (cs) | 2001-08-15 |
| CH694305A5 (de) | 2004-11-15 |
| EP1081434B2 (de) | 2008-12-31 |
| US6938561B1 (en) | 2005-09-06 |
| TW454082B (en) | 2001-09-11 |
| CZ297291B6 (cs) | 2006-10-11 |
| EP1081434A1 (de) | 2001-03-07 |
| JP2001099415A (ja) | 2001-04-13 |
| KR20010050249A (ko) | 2001-06-15 |
| JP3750014B2 (ja) | 2006-03-01 |
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