EP0801721B1 - Austauschbare düse für feuerfest ausgekleidete hochtemperaturreaktoren - Google Patents
Austauschbare düse für feuerfest ausgekleidete hochtemperaturreaktoren Download PDFInfo
- Publication number
- EP0801721B1 EP0801721B1 EP96900301A EP96900301A EP0801721B1 EP 0801721 B1 EP0801721 B1 EP 0801721B1 EP 96900301 A EP96900301 A EP 96900301A EP 96900301 A EP96900301 A EP 96900301A EP 0801721 B1 EP0801721 B1 EP 0801721B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- block
- reactor
- nozzle block
- enveloping
- 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
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- 239000010959 steel Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
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- 238000006243 chemical reaction Methods 0.000 description 7
- 238000005253 cladding Methods 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
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- 101100390736 Danio rerio fign gene Proteins 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 101100390738 Mus musculus Fign gene Proteins 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
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- 239000011152 fibreglass Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000003958 fumigation Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- 229910052572 stoneware Inorganic materials 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/14—Supports for linings
- F27D1/145—Assembling elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
Definitions
- the invention relates to a device according to the preamble of claim 1.
- Fan angle nozzles FWD
- Fan nozzles parallel or perpendicular to the bricked or wall exposed by mortar inside heat exchangers can be used for cement rotary kilns.
- air blasts are the regular build-up of raw cement flour removed so that an optimal heat exchange process / material flow is achieved.
- air lances or poking rods through openings in the heat exchanger wall avoided.
- the mouthpiece of the fan nozzles wears out or is consumed by chemical reaction, the large area decreases Cleaning effect. Then or at the latest at the scheduled time
- Each of the heat exchangers must be equipped with a furnace stop Stoneware and the old nozzle removed, a new nozzle welded in and fill the cavity with fireclay mortar.
- US-A-3,380,407 discloses a generic device for initiating a Fluid flow into the interior of refractory lined High-temperature reactors, wherein a nozzle is provided, the has a nozzle body that the lining of the high temperature reactor penetrates.
- the nozzle also has a tube on that is connected to the nozzle body for fluid supply.
- the nozzles are firmly attached to the reactor wall, so that an exchange only with the previously described disadvantageous Difficulties.
- DE 29 52 275 A1 discloses a device for fumigation a rotary kiln, in which over the length of the axis of rotation of the Rotary kiln gas permeable in the area of the refractory lining Stones are used. These stones consist of a porous, ceramic material and close flush with the surface of the refractory lining of the rotary kiln from. In this embodiment, a smooth surface is indeed of the refractory lining, but the porosity is sufficient of the ceramic material of the gas permeable stones due to the low gas permeability, in particular To introduce air blasts into the interior of the reactor.
- the object of the invention is therefore a generic device with an exchangeable nozzle or an exchangeable nozzle system to provide that easy replacement of nozzles, in particular of cleaning air blast nozzles High temperature reactors enabled.
- the invention allows easy changing of the nozzle from outside without internal scaffolding and possibly even without complete cooling of the high-temperature reactor or heat exchanger.
- An exchangeable nozzle of the device thus includes in addition to the nozzle body penetrating the reactor wall and the fluid supply pipe connected to it (at least as far as a corresponding pipe section the reactor wall penetrates) the nozzle body all over Extent and at least partially enveloping along its length Nozzle block that fits with its radial side walls can be used in the high temperature lining of the reactor, one between the nozzle body and the nozzle block as an expansion collar serving separating layer and between nozzle stone and the with a contour-matched reactor lining, another separation layer is provided, which is a separation of the nozzle block from the reactor lining is permitted in the event of nozzle replacement.
- the envelope shape of the reactor liner in which of the nozzle block is used precisely, both before Location, d. H. immediately during the installation of nozzle block and Nozzle bodies are made to be prefabricated as well in a correspondingly large opening of the reactor lining, for. B. with the interposition of a layer of mortar to be installed.
- the nozzle block preferably consists essentially of high temperature resistant Silicon carbide.
- the preferably metallic Nozzle body that fits precisely and protected in the nozzle block is detachable from the nozzle block, i.e. i.e., a loosening preventing scaling or incrustation does not occur on. Rather, the different materials (material pairing Silicon carbide / steel) even after use comparatively easy disassembly. Also a scaling or crusting between the nozzle stone and its envelope, in which it is installed, does not occur - at least it can Nozzle stone from its envelope shape again after use brought out, especially pulled out, that a New unit consisting of nozzle body and nozzle block as an exchange package can be quickly reinserted into the envelope.
- silicon carbide for the nozzle block regardless of the characteristics of the interchangeable Nozzle or the interchangeable nozzle system can be used advantageously can.
- the use of silicon carbide as a material for The nozzle block is also advantageous because this one high wear resistance and a low tendency to stick of the area facing the inside of the reactor.
- a bracing or fastening frame like an angle frame, allows easy attachment of nozzle body and Nozzle block on the reactor wall, especially when used a flange plate according to the invention according to claim 3 such a frame allows easy positioning of the Flange plate, stiffening the opening in the reactor wall and provides the necessary free space for mounting the nozzle.
- the expansion collar according to the invention serves on the one hand to seal between nozzle stone and metallic nozzle body, for others to balance the different coefficients of thermal expansion and preferably consists of about 10 mm thick ceramic fiber fleece or fiberglass needle felt.
- Fan angle nozzles known from the prior art protrude into the reaction chamber with their metallic nozzle body inside.
- metallic Nozzle body To the metallic nozzle body against adverse influences to protect from the reaction space can be a metallic Nozzle body except for the outlet opening of the nozzle Protective stone surrounding the inside of the reaction chamber is provided be.
- a separating layer is also arranged in the nozzle body.
- the protective stone can grasp metallic nozzle body and so form-fitting the metallic nozzle body are held. Because the blow-out direction of the fan nozzles usually essentially points below, the protective stone can be parallel to the reaction chamber wall from above attachable to the metallic nozzle body be trained. The positive locking prevents slipping down, to the side and towards the center of the reactor while gravity and usually also the direction of material flow Prevent slipping upwards in the reactor.
- the size of the protective stone or the opening in the reaction chamber wall are preferably adapted such that the Protective stone with the nozzle removed from the reaction chamber wall can be.
- the fan nozzle should be arranged so that the protective stone is not held in place by gravity, can be selected by selecting suitable geometrical ratios of nozzle block, Protective stone and cover stone in the installation position a positive lock be formed between cover stone and protective stone, the a slipping of the protective stone against the direction of attachment prevented.
- 1 is the replaceable nozzle, d. that is, the entire interchangeable nozzle system, designated.
- a metallic nozzle body 2 is a so-called Fan nozzle designed, according to the embodiment Figures 1 to 3, the direction of blow-out of the nozzle through the air outlet gap 20 tangential to the brick lining 6 on the inside of the reactor 10 of the reactor wall 11 takes place.
- the blow-out direction is only slightly with respect to the normal direction the reactor wall 11 inclined.
- the nozzle body 2 penetrates the lining, i. H. in the illustrated and so far preferred embodiments the lining 6 of the reactor wall 11, in the to the reactor interior 10 lying area.
- the metallic nozzle body 2 and at least the area of the reactor interior 10 Tube 21 are closely enclosed by an expansion collar 3.
- This stretch collar consists of a circumferential band elastic, high temperature resistant material, especially made of an approximately 10 mm thick ceramic fiber fleece or a glass fiber needle felt.
- the part of the nozzle body 2 which penetrates the reactor wall 11 and the tube 21 is at least in the to the reactor interior 10th area located positively by a so-called Surround nozzle block 4, which is essentially made of high temperature resistant Silicon carbide exists.
- the one about the nozzle body 2 and the tube 21 to the radially outwardly facing surface of the Nozzle block 4 forms in the embodiment according to FIG. 1 to 3 a trapezoidal and in the embodiments according to Figures 4 to 7 preferably a rectangular plan rounded corner areas, with the radial external surfaces in the direction of the reactor interior 10 are slightly inclined towards each other.
- a separating layer 5 comprises high-temperature resistant, elastic material, to replace the nozzle body together with the nozzle block after a long period of use of the reactor ensure that the nozzle body and nozzle block structural unit pulled outwards from the reactor wall 11 can be.
- the radially outward facing conical surface of the Nozzle stone 4 or the separating layer 5 sits with a flat surface System in a shell 60 of the lining 6 such that the end face of the nozzle block facing the reactor interior 10 4 is aligned with the remaining inner surface of the lining 6.
- the envelope shape 60 is in the embodiments according to figures 1 to 6 part of a separate component, namely a so-called enveloping stone 60, which is already in one existing and bricked-up reactor retrofitted can be, which will be explained in more detail below.
- the embodiment according to FIG. 7 differs from this characterized in that in the embodiment of Figure 7 Hüllstein 60 already in the lining 6 from the front provided or even integral part of the lining 6 is or "in situ" in the lining 6 is procured.
- the replacement of the Nozzle block including the opening in the nozzle body Reactor wall surrounded by an angular frame 74, which has the function a stiffening and / or fastening frame.
- this angular frame 74 in one of the outer contour of the angular frame appropriately shaped opening of the metal outer wall of the reactor used, in such a way that the wall parallel Angled frame flange to the inside of the reactor wall is offset in parallel.
- the embodiment according to Figure 7 corresponds to the opening in the metallic Outside wall of the reactor of the clear opening of the angle frame 74.
- the angular frame 74 with the metallic Reactor outer wall firmly connected by a weld seam 75.
- flange plate 7 which can be screwed tightly - In all embodiments - the nozzle body 2 and the nozzle block 4.
- a replaceable nozzle is first installed in the exemplary embodiments according to Figures 1 to 3 and 4 to 6 in the following Wise:
- the cladding stone is on the opposite side of the furnace Front end with bracket 61 protruding, in particular made of stainless steel.
- This bracket 61 can also form a surrounding frame.
- the depth of Hüllstein 60 180 mm while the depth of the towering Leg of the bracket 61 is an additional 70 mm, so that there is a total installation depth of 250 mm. This is too can be varied if necessary.
- the aim is that the furnace side Face of the cladding brick with the reactor lining is flush on the inside. Should the masonry in the oven not run parallel to the outside steel wall, which z. B. in the lower part of the furnace, this is the case 60 and / or its holding frame 61 according to the requirements extended for parallel installation for brick lining or shortened.
- Threaded rods 44 are used to install the cladding block, the receiving or adjusting holes 62 of the casing 60 are used or are used and holes push through in the wall-parallel flange of the angular frame 64.
- the positioning of the enveloping stone 60 in its normal direction Reactor wall extending insertion direction is by means of the threaded rods 44 or threaded nuts rotatably arranged thereon set.
- This so-called setting angle 45 can the threaded rod axis are pivoted and serve u. a. as an assembly aid when inserting the nozzle block 4 together with the nozzle body 2 into the conical opening in the casing 60.
- the legs of the Hüllstein holding frame which are aligned transversely to the reactor wall 61 are dimensioned so that they are under the angle frame 74 encounter and welded to this by longitudinal seams 25 are. Only after inserting the enveloping stone 60 with the attached Hüllstein holding frame 61 and the so welded angle frame 74 into the prepared reactor wall opening the angle frame 74 with the steel jacket of the reactor wall 11 welded in the manner described above. In order to are the prerequisites for installation and later Changing the nozzle block 4 together with the nozzle body 2 created. First, the conical nozzle stone circumference is about 3 mm thick ceramic fiber paper that covers the entire nozzle block height.
- a nozzle block screw connection 40 with respect of the flange plate 7 which realizes the nozzle body 2 holds together with the nozzle block 4.
- Tube 21 of the nozzle body 2 which has a correspondingly large Bore of the flange plate 7 penetrates with the flange plate 7 tightly welded all around.
- the flange plate 7, nozzle body 2 and Hüllstein 4 existing unit can then depending on If necessary, pulled out of the reactor wall opening or be reinstalled in them.
- an elastic Seal 71 for sealing and releasable connection between the flange plate 7 and the wall-parallel leg of the angular frame 74 used.
- This interchangeable nozzle system allows for a very short downtime of the reactor to replace defective nozzles from the outside. It is not necessary to walk inside the reactor. The change can be made within about 1 hour.
- the between the flange plate 7 and the outer end face of the nozzle block 4 and the envelope 60 remaining free space can with Insulating wool 8 or chamotte mortar must be filled out.
- This Variant is shown in Figures 1 and 2.
- the nozzle block can also divided and for better assembly with a circumferential Be wrapped in tape.
- the shell mold 60 also by mortaring the cavity between the nozzle block and the lining from inside the reactor respectively.
- the Fan nozzle together with the nozzle block and the flange plate disassembled. For this, the reactor does not need to be completely cooled to become.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Description
- Fig. 1
- eine erste Ausführungsform einer erfindungsgemäßen Vorrichtung mit einer austauschbaren, in einer Reaktorwand eingebauten Fächerwinkeldüse im Axialschnitt durch den Düsenkörper - Schnitt entlang der Linie A-A gemäß Fig. 2;
- Fig. 2
- dieselbe Vorrichtung in Schnittansicht - Schnitt entlang der Linie B-B gemäß Fig. 1 und Fig. 3;
- Fig. 3
- dieselbe Vorrichtung in Aufsicht von der Ofeninnenseite her - zum Teil in einem Schnitt parallel zur Ofenwand entlang der Linie C-C;
- Fig. 4
- eine zweite Ausführungsform einer erfindungsgemäßen Vorrichtung in der Darstellungsart nach Fig. 1;
- Fig. 5
- von derselben Vorrichtung eine weitere Schnittdarstellung (entsprechend der Schnittdarstellung in Fig. 2) - Schnitt entlang der Linie B'-B' gemäß Fign. 4 und 6;
- Fig. 6
- dieselbe Vorrichtung im Schnitt entlang der Linie C'-C' gemäß Fign. 4 und 5 (entsprechend der Darstellungsart in Fig. 3) sowie
- Fig. 7
- eine dritte Ausführungsform einer erfindungsgemäßen Vorrichtung mit einer austauschbaren Fächerdüse - entsprechend der Darstellung in Fig. 5.
- 1
- Düse, Wechseldüsensystem
- 2
- metallischer Düsenkörper
- 3
- Dehnungskragen
- 4
- Düsenstein
- 5
- Trennschicht oder -fläche
- 6
- Ausmauerung
- 7
- Flanschplatte
- 8
- Isolierwolle oder Schamottemörtel
- 10
- Reaktorinnenraum
- 11
- Reaktorwand
- 20
- Luftaustrittsspalt
- 21
- Rohr
- 22
- Anschlußflansch
- 23
- Düsenkörperbefestigung, Schweißnaht
- 24
- Aussparung
- 25
- Halterahmenbefestigung, Schweißnaht
- 40
- Düsensteinverschraubung
- 41
- Schutzstein
- 42
- Aufsteckrichtung des Schutzsteins
- 43
- Halteschellen des metallischen Düsenkörperrohres
- 44
- Gewindestange
- 45
- Setzwinkel mit Mutter
- 60
- Hüllform, Hüllstein
- 61
- Hüllstein-Halterahmen
- 62
- Aufnahme-, Justierbohrung vom Hüllstein
- 71
- elastische Dichtung
- 72
- Haltekeil
- 73
- Halteverschraubung
- 74
- Winkelrahmen
- 75
- Winkelrahmenbefestigung, Schweißnaht
- 76
- Düsensteinspannschrauben
Claims (22)
- Vorrichtung zum Einleiten eines Fluidstromes in den Innenraum von feuerfest ausgekleideten Hochtemperaturreaktoren, wie Wärmetauschern von Drehrohröfen für die Zementherstellung,
mit einer austauschbaren Düse (1), wie einer Winkelfächerdüse, mit einem hochtemperaturfesten, metallischen, die Auskleidung des Hochtemperaturreaktors zumindest teilweise durchdringenden Düsenkörper (2), vorzugsweise mit einem schlitzförmigen Austrittsspalt (20), und mit einem mit dem Düsenkörper (2) zur Fluidzuführung verbundenen Rohr (21), vorzugsweise zum Anschluß an eine außenseitige Luftkanone zur Zufuhr eines Fluidstromes,
dadurch gekennzeichnet,daß die Düse (1) einen Dehnungskragen (3), insbesondere aus elastischem, hochtemperaturfestem Material, vorzugsweise aus etwa 10 mm dickem Keramikfaservlies oder Glasfaser-Nadelfilz, einen, vorzugsweise außen konisch geformten, Düsenstein (4) und eine Trennfläche (5) oder eine Trennschicht (5) aus hochtemperaturfestem, elastischem Material umfaßt, wobeider Dehnungskragen (3) zwischen dem metallischen Düsenkörper (2) und dem Düsenstein (4) angeordnet ist,der Düsenstein (4) mit der Auskleidung im wesentlichen bündig mit der inneren Auskleidungsfläche abschließt und durch die Trennfläche (5) oder Trennschicht (5) von einer, vorzugsweise innen konisch geformten, der Form des Düsensteins (4) entsprechenden Hüllform (60), insbesondere von einem Hüllstein (60), in der Ausmauerung (6) getrennt ist. - Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Dehnungskragen (3) den metallischen Düsenkörper (2) zumindest entlang einer geschlossenen Linie umgibt.
- Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Düsenstein (4) sowie der metallische Düsenkörper (2) durch eine außerhalb des Reaktorraumes angebrachte Flanschplatte (7) gehalten werden.
- Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Flanschplatte (7) einen Reaktorwanddurchbruch verschließt, der derartig ausgebildet ist, daß der Düsenstein (4) samt dem Düsenkörper (2) in den Reaktorwanddurchbruch von außen her in den Reaktor (10) einsetzbar ist.
- Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Düsenstein (4) samt dem Düsenkörper (2) in einen Reaktorwanddurchbruch von außen her in den Reaktor (10) einsetzbar ist.
- Vorrichtung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß der Düsenstein (4) in der Länge einstellbare Verschraubungsmittel aufweist, die vorzugsweise mit der Flanschplatte (7) fest verbunden sind, insbesondere um den Düsenstein (4) samt Flanschplatte (7) als Einheit vorzumontieren und/oder als Abziehvorrichtung um den Düsenstein (4) aus dem Hüllstein (60) zu ziehen.
- Vorrichtung nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, daß der Düsenkörper (2) mit der Flanschplatte (7), z. B. durch einen lösbaren Flansch, fest gehalten ist, vorzugsweise aber durch eine äußere Ringschweißung (75) fest verbunden ist.
- Vorrichtung nach einem der Ansprüche 3 bis 7, dadurch gekennzeichnet, daß der Raum zwischen Düsenstein (4) und Flanschplatte (7) freigelassen ist und dieser Raum der Kontur des Düsensteines (4) folgend durch Isolierwolle, Schamottemörtel (8) oder dergleichen Wärmedämmung aufgefüllt ist.
- Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Trennschicht zwischen Düsenstein (4) und dem Hüllstein (60) oder der Hüllform (60) aus einem etwa 2 bis 5 mm dickem Keramikfaserpapier oder -vlies besteht.
- Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß der Hüllstein (60) oder die Hüllform (60) durch Hochtemperaturmörtel gebildet ist.
- Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Hüllform durch einen, vorzugsweise ringförmigen, Hüllstein (60) gebildet ist, dessen innere Kontur der Form des Düsensteins (4) und der ihn umgebenden Trennschicht (5) entspricht, und der Hüllstein (60) direkt oder durch Hochtemperaturmörtel mit der Ausmauerung (6) verbunden ist.
- Vorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der Hüllstein (60) mit der äußeren Reaktorwand (11) verankert ist, insbesondere mit einem Winkelrahmen (74) verbunden und über den Winkelrahmen (74) mit der äußeren Stahlwand verankert ist.
- Vorrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß ein Formkörper, der der äußeren Form des Düsensteins (4) mit der ihn umgebenden Trennschicht (5) entspricht, während der Ausmauerung und Auffüllung des Reaktors mit Hochtemperaturmörtel den Platz des Düsensteines einnimmt, so daß, gegebenenfalls mit einem einzigen Formkörper, die Einbauöffnungen für alle Düsensteine während des Ausmauerns hergestellt werden können.
- Vorrichtung nach einem der Ansprüche 3 bis 13, dadurch gekennzeichnet, daß die Flanschplatte (7) eine elastische Dichtung (71) zur Stahlwand aufweist.
- Vorrichtung nach einem der Ansprüche 3 bis 14, dadurch gekennzeichnet, daß die Flanschplatte (7) über am Umfang gleichmäßig verteilte Verbindungselemente (73), wie Schraubverbindungen, an einen den Reaktorwanddurchbruch insbesondere aussteifenden Winkelrahmen (74) oder dergleichen (Aussteifungs- oder Befestigungsrahmen) gepreßt wird.
- Vorrichtung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß der Düsenstein (4) und gegebenenfalls der Hüllstein (60) in einer separaten Form hergestellt und, vorzugsweise, ungeteilt ist.
- Vorrichtung nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, daß der Düsenstein (4) im wesentlichen aus hochtemperaturfestem Siliziumcarbid besteht.
- Vorrichtung nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, daß der Hüllstein (60) einen Halterahmen (61) aufweist und durch Verbinden, insbesondere Verschweißen, des Halterahmens (61) mit dem Aussteifungsoder Befestigungsrahmen (74) eine Einheit bildet.
- Vorrichtung nach einem der Ansprüche 1 bis 18, dadurch gekennzeichnet, daß der Befestigungs- oder Aussteifungsrahmen (74) einen längeren Schenkel aufweist, mit dessen Hilfe Wanddickenunterschiede im Mauerwerk durch Hinein- und Heraus-Verschieben des Befestigungs- oder Aussteifungsrahmens (74) bezüglich der Stahlwand ausgeglichen werden.
- Vorrichtung nach einem der Ansprüche 1 bis 19, dadurch gekennzeichnet, daß Setzwinkel (45) vorgesehen sind, die nach der Düsensteinmontage unter den Düsenstein (4) geschwenkt werden können und somit die Positionierung des Düsensteines (4) im Hüllstein (60) sicherstellen.
- Vorrichtung nach einem der Ansprüche 1 bis 20, dadurch gekennzeichnet, daß Haltemittel (73) am Rohr (21) der Düse (1) angebracht sind und mittels Stellschrauben die genaue Positionierung und Halterung des Düsensteines (4) bezüglich der Düse (1) sicherstellen.
- Vorrichtung nach einem der Ansprüche 1 bis 21, gekennzeichnet durch einen den Düsenkörper (2) bis auf die Austrittsöffnung (20) der Düse (1) zur Reaktorrauminnenseite (10) umgebenden Schutzstein (41).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29500061U | 1995-01-05 | ||
| DE29500061 | 1995-01-05 | ||
| PCT/EP1996/000034 WO1996021132A1 (de) | 1995-01-05 | 1996-01-05 | Austauschbare düse für feuerfest ausgekleidete hochtemperaturreaktoren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0801721A1 EP0801721A1 (de) | 1997-10-22 |
| EP0801721B1 true EP0801721B1 (de) | 1999-09-08 |
Family
ID=8002152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96900301A Expired - Lifetime EP0801721B1 (de) | 1995-01-05 | 1996-01-05 | Austauschbare düse für feuerfest ausgekleidete hochtemperaturreaktoren |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5865617A (de) |
| EP (1) | EP0801721B1 (de) |
| DE (1) | DE59602998D1 (de) |
| WO (1) | WO1996021132A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010001227U1 (de) | 2010-01-20 | 2011-06-01 | VSR Industrietechnik GmbH, 47198 | Behälter mit Fluideinlassvorrichtung und Wechseldüse für Fluideinlassvorrichtung |
| WO2013055400A1 (en) * | 2011-10-11 | 2013-04-18 | Plasma Giken Co., Ltd | Cold spray gun |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29518283U1 (de) * | 1995-11-17 | 1996-01-04 | Agrichema Materialflußtechnik GmbH, 55257 Budenheim | Heißbranddüse mit Wechselrohr |
| US7968047B2 (en) * | 2005-02-10 | 2011-06-28 | Wahl Refractory Solutions, Llc | Blaster nozzle |
| US8236235B2 (en) | 2007-04-27 | 2012-08-07 | Martin Engineering Company | Removable nozzle for use with air cannons and aerators and method for replacing same |
| DE102008060876B4 (de) * | 2008-12-09 | 2011-06-22 | Sentürk, Meryem, 59071 | Anschlusstechnik für Luftdüsen in Brennkammern mit Wirbelschichtfeuerungen |
| CN109798792B (zh) * | 2019-03-22 | 2024-04-12 | 山东恒辉节能技术集团有限公司 | 一种余热回收的换热设备 |
| CN117643979B (zh) * | 2024-01-26 | 2024-04-16 | 山东硅瓷新材料有限公司 | 一种碳化硅喷嘴 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1477517A (en) * | 1921-02-05 | 1923-12-11 | Andrew W Newberry | Apparatus for burning cement material |
| SE325092B (de) * | 1965-09-15 | 1970-06-22 | Landsverk Ab | |
| US3735906A (en) * | 1971-03-15 | 1973-05-29 | Juten M A Washington | Replaceable molten metal nozzle structure |
| US3784107A (en) * | 1972-10-25 | 1974-01-08 | Allis Chalmers | Nozzle for rotary kiln |
| US3946949A (en) * | 1974-09-04 | 1976-03-30 | Allis-Chalmers Corporation | Nozzle for rotary kiln |
| JPS5830485B2 (ja) * | 1978-06-14 | 1983-06-29 | 品川白煉瓦株式会社 | セラミツクス製のエアノズルを有するバ−ナ |
| DE2952275A1 (de) * | 1979-12-24 | 1981-07-02 | Fried. Krupp Gmbh, 4300 Essen | Vorrichtung zur begasung eines drehrohrofens |
| DE3137122A1 (de) * | 1981-09-18 | 1983-04-07 | Metallgesellschaft Ag, 6000 Frankfurt | Duesenstein fuer drehrohroefen |
| US4373909A (en) * | 1981-11-23 | 1983-02-15 | Allis-Chalmers Corporation | Gas injecting kiln shell nozzle with particle entry barriers |
| DE3674035D1 (de) * | 1985-03-06 | 1990-10-18 | Agrichema Materialflusstechnik | Einrichtung zum auswechselbaren einbau von ins innere eines reaktionsgefaesses gerichteten betriebselementen. |
| DE4009301C1 (en) * | 1990-03-23 | 1991-05-23 | Juenger + Graeter Gmbh & Co. Feuerfestbau, 6830 Schwetzingen, De | Nozzle plate for refuse incinerator - with air channels in nozzle block leading to combustion space to register with outlet bores |
-
1996
- 1996-01-05 DE DE59602998T patent/DE59602998D1/de not_active Expired - Lifetime
- 1996-01-05 US US08/860,607 patent/US5865617A/en not_active Expired - Fee Related
- 1996-01-05 EP EP96900301A patent/EP0801721B1/de not_active Expired - Lifetime
- 1996-01-05 WO PCT/EP1996/000034 patent/WO1996021132A1/de not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010001227U1 (de) | 2010-01-20 | 2011-06-01 | VSR Industrietechnik GmbH, 47198 | Behälter mit Fluideinlassvorrichtung und Wechseldüse für Fluideinlassvorrichtung |
| DE102011009064A1 (de) | 2010-01-20 | 2011-07-21 | VSR Industrietechnik GmbH, 47198 | Behälter mit Fluideinlassvorrichtung und Wechseldüse für Fluideinlassvorrichtung |
| WO2013055400A1 (en) * | 2011-10-11 | 2013-04-18 | Plasma Giken Co., Ltd | Cold spray gun |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59602998D1 (de) | 1999-10-14 |
| WO1996021132A1 (de) | 1996-07-11 |
| EP0801721A1 (de) | 1997-10-22 |
| US5865617A (en) | 1999-02-02 |
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