EP0763702B1 - Waste heat boiler with soot blower - Google Patents
Waste heat boiler with soot blower Download PDFInfo
- Publication number
- EP0763702B1 EP0763702B1 EP96113622A EP96113622A EP0763702B1 EP 0763702 B1 EP0763702 B1 EP 0763702B1 EP 96113622 A EP96113622 A EP 96113622A EP 96113622 A EP96113622 A EP 96113622A EP 0763702 B1 EP0763702 B1 EP 0763702B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- soot blower
- waste heat
- heat boiler
- sliding plate
- plate
- 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
Images
Classifications
-
- 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
- F28G15/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1838—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines the hot gas being under a high pressure, e.g. in chemical installations
- F22B1/1846—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines the hot gas being under a high pressure, e.g. in chemical installations the hot gas being loaded with particles, e.g. waste heat boilers after a coal gasification plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
- F22B37/14—Supply mains, e.g. rising mains, down-comers, in connection with water tubes
- F22B37/147—Tube arrangements for cooling orifices, doors and burners
Definitions
- the invention relates to a waste heat boiler with a outer pressure jacket that is made of a tube cage Coolant pipes surrounds, where in the pipe cage Medium or high pressure gas room is located with a Sootblower lance through the pressure jacket and through a Opening in the tube cage is movably guided, and with a sealing box that surrounds the opening in the pipe cage and on the side of the tube cage facing the pressure jacket is arranged.
- the seal box is also below referred to as a sootblower box.
- Sootblower lances are usually used at medium pressure or High-pressure synthesis gas coolers and waste heat boilers for cleaning the inner, vertical boiler tube walls used to shape the coolant tubes of deposits of soot and other solid particles of the synthesis gas, for example in a coal pressure gasification plant clean.
- the waste heat boiler which is high on the gas side, consists of a gas-tight welded tube cage with additional introduced pipe cooling surfaces to the synthesis gas extract sensible heat and use it to cool it. Pipe cage and cooling surfaces are in one Pressure jacket introduced for the gas side Pressure load is designed. Pressure vessel and cooling system are mechanically connected. The in the Penetrate the soot blower lances from the waste heat boiler first the wall of the outer pressure vessel, then also the inner pipe cage, the flange connection of the Pressure jacket represents the fixed point for the soot blower lance. Due to the mechanical connection from the outside The pressure jacket and inner tube cage become the point of passage the sootblower lance through the pipe cage because of the different temperatures as a floating point.
- the object of the invention is to provide a temperature pressure and displacement-compatible pipe wall bushing for one To create sootblower lance that is gas-tight and Space between the pressure jacket and the tube cage protects against high temperatures.
- the solution to the task is carried out by the characteristic features of the Claim 1. Describe the subclaims advantageous embodiments of the invention.
- the permanent pressure of the sliding plate on the Sootblower box is made in a known manner with a Compression spring, which has a spacer sleeve and a sealing ring applies the required sealing force.
- a packing ring is inserted in the sleeve and seals the sliding plate against the sootblower lance. This makes mobility the lance in vertical and horizontal directions simultaneous sealing of the gas space against the Space guaranteed.
- the gas tightness is ensured by the The fibreboard is pressed against the pipe cage.
- At abrasion-resistant fiber mat material is used with the fiberboard Protrusion built into the profile frame. Is that ceramic Material less abrasion-resistant, you leave it with the Complete the profile frame and ensure gas tightness additionally by heat-resistant, elastic cords.
- sootblower lance can penetrate into the gas space, are two tubes of the tube cage in the lance passage area bent out to form the passage opening.
- the area of the kinked pipes lacks heat protection, so that the full temperature application, t> 1400 ° C, from the Gas space from the soot blower box and the slide plate must become. Since the aforementioned components are uncooled, they have to be thermally insulated, otherwise through High temperature corrosion and heat distortion damage occur.
- Thermal protection for the soot blower box is provided by two Types of insulating materials, one by one ceramic Fiber mat that lies against the soot blower box and the other thanks to refractory material that leads to the inside of the gas compartment is arranged.
- the ceramic fiber material has one significantly lower thermal conductivity than the refractory material, so that the combination of both materials one offers optimal heat protection.
- Refractory material in the form of casting or spraying compound required as this material protects against fly dust and hot Slag is resistant. The refractory mass will floating through the bent tubes and on it anchored anchors held.
- the advantage of this version is that there are different thermal expansions of Refractory material, soot blower box and pipes not in Stress increases or crumbling of the refractory mass implement, but that there is a free thermal expansion is. This will cause cracks in the refractory mass or a crumbling off of parts of the refractory mass avoided. For this reason, the knocked out Tubes wrapped with a film, so that relative movements can be compensated.
- the pressure of the slide plate (7) on the soot blower box (5) is achieved with a compression spring that has a Spacer sleeve (14) and a sealing ring (15) applies the required sealing force.
- a packing ring (15) is inserted in a sleeve (16) and seals the Slide plate (7) against the soot blower lance (8).
- anchors (19) are attached, further are the tubes (17) with a film material (18) wrapped before a ceramic fiber mat (20) and a Refractory casting or ramming mass (21) can be introduced.
- Sootblower lance (8) two pipes (17) of the pipe cage (3) bent out so that the full temperature exposure from Soot blower box (5) and the sliding plate (7) added becomes. Since the aforementioned components (5, 7) are uncooled, they need to be thermally insulated. Hence the Soot blower box (5) inside by two types of Insulating materials protected, once by a ceramic Fiber mat (20), which lies against the soot blower box (5), and a refractory material (21) to the gas room side is arranged. The refractory mass is floating through the kinked pipes (17) and the attached Anchor (19) held. Furthermore, the kinked pipes (17) wrapped with a film (18) so that Relative movements can be compensated.
- the sootblower lance (8) is in a known manner on one Flange (25) by means of fasteners (26) and Sealing elements (27) on the socket (4.1) of the pressure jacket (4) attached.
- a compression spring (13) presses on one Spacer sleeve (14) arranged in the sleeve (16) Seal (15) and thus creates the gas tightness.
- Fig. 3 it can be seen that when using abrasion-resistant fiberboard material with the fiberboard (9) Overhang to the profile steel frame (10) is installed. Is the ceramic material is less resistant to abrasion, you leave it with complete the profile steel height (10) and secures the Gas-tightness also thanks to heat-resistant, elastic Cords (24).
- the cord (24) is between the Guide plate (22) and holding plate (23) of the soot blower box (5) and the profile frame (10) introduced.
- the gas spaces are sealed exclusively by the slide plate (7), which with a Adhesive (11) and expanded metal (12) on the ceramic Fiberboard (9) is attached, the sliding plate against the soot blower box is pressed.
- the ceramic Fiberboard (9) is stronger than that in the present case Profile frame (10) formed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Incineration Of Waste (AREA)
- Sink And Installation For Waste Water (AREA)
Description
Die Erfindung betrifft einen Abhitzekessel mit einem äußeren Druckmantel, der einen Rohrkäfig aus Kühlmittelrohren umgibt, wobei sich im Rohrkäfig ein Mittel- oder Hochdruckgasraum befindet, mit einer Rußbläserlanze, die durch den Druckmantel und durch eine Öffnung im Rohrkäfig bewegbar hindurchgeführt ist, und mit einem Dichtungskasten, der die Öffnung im Rohrkäfig umgibt und an der dem Druckmantel zugewandten Seite des Rohrkäfigs angeordnet ist. Der Dichtungskasten wird nachfolgend auch als Rußbläserkasten bezeichnet.The invention relates to a waste heat boiler with a outer pressure jacket that is made of a tube cage Coolant pipes surrounds, where in the pipe cage Medium or high pressure gas room is located with a Sootblower lance through the pressure jacket and through a Opening in the tube cage is movably guided, and with a sealing box that surrounds the opening in the pipe cage and on the side of the tube cage facing the pressure jacket is arranged. The seal box is also below referred to as a sootblower box.
Ein solcher Abhitzekessel mit Rußbläserlanze ist aus DE-B-11 76 785 bekannt. Zum Abdichten zwischen der Außenseite der Lanze und dem Rußbläserkasten werden Stahlfederelemente und Sperrgas verwendet.Such a waste heat boiler with sootblower lance is out DE-B-11 76 785 known. For sealing between the Outside of the lance and the soot blower box Steel spring elements and sealing gas used.
Rußbläserlanzen werden in der Regel bei Mitteldruck- oder Hochdruck-Synthesegaskühlern und Abhitzekesseln zum Reinigen der inneren, senkrechten Kesselrohrwände eingesetzt, um die Kühlmittelrohre von Ablagerungen in Form von Ruß und anderen festen Partikeln des Synthesegases, beispielsweise bei einer Kohledruckvergasungsanlage, zu reinigen. Am Rohrkäfig ist für jede Rußbläserlanze eine Rohrwandöffnung vorgesehen. Die in diesem Bereich mit dem Rohrkäfig gasdicht verschweißten Rußbläserkästen dichten den gasseitigen Hochtemperaturraum gegenüber dem Druckmantel des Abhitzekessels ab.Sootblower lances are usually used at medium pressure or High-pressure synthesis gas coolers and waste heat boilers for cleaning the inner, vertical boiler tube walls used to shape the coolant tubes of deposits of soot and other solid particles of the synthesis gas, for example in a coal pressure gasification plant clean. There is a sootblower lance on the tube cage a pipe wall opening is provided. The in this area with soot blower boxes welded gas-tight to the pipe cage seal the gas-side high-temperature room against the Pressure jacket of the waste heat boiler.
Der gasseitig hochgespannte Abhitzekessel besteht aus einem gasdicht geschweißten Rohrkäfig mit zusätzlich eingebrachten Rohrkühlflächen, um dem Synthesegas die fühlbare Wärme zu entziehen und es damit abzukühlen. Rohrkäfig und Kühlflächen sind gemeinsam in einen Druckmantel eingebracht, der für die gasseitige Druckbelastung ausgelegt ist. Druckgefäß und Kühlsystem sind mechanisch miteinander verbunden. Die in den Abhitzekessel eingesteckten Rußbläserlanzen durchdringen zuerst die Wand des äußeren Druckbehälters, danach auch den inneren Rohrkäfig, wobei der Anflanschstutzen des Druckmantels den Fixpunkt für die Rußbläserlanze darstellt. Aufgrund der mechanischen Verbindung von äußerem Druckmantel und innerem Rohrkäfig wird der Durchtrittspunkt der Rußbläserlanze durch den Rohrkäfig wegen der unterschiedlichen Temperaturen als Gleitpunkt ausgeführt.The waste heat boiler, which is high on the gas side, consists of a gas-tight welded tube cage with additional introduced pipe cooling surfaces to the synthesis gas extract sensible heat and use it to cool it. Pipe cage and cooling surfaces are in one Pressure jacket introduced for the gas side Pressure load is designed. Pressure vessel and cooling system are mechanically connected. The in the Penetrate the soot blower lances from the waste heat boiler first the wall of the outer pressure vessel, then also the inner pipe cage, the flange connection of the Pressure jacket represents the fixed point for the soot blower lance. Due to the mechanical connection from the outside The pressure jacket and inner tube cage become the point of passage the sootblower lance through the pipe cage because of the different temperatures as a floating point.
Die Aufgabe der Erfindung besteht darin, eine temperatur-,
druck- und verschiebegerechte Rohrwanddurchführung für eine
Rußbläserlanze zu schaffen, die gasdicht ist und den
Zwischenraum zwischen dem Druckmantel und dem Rohrkäfig
gegen hohe Temperaturen schützt. Die Lösung der Aufgabe
erfolgt durch die kennzeichnenden Merkmale des
Patentanspruchs 1. Die Unteransprüche beschreiben
vorteilhafte Ausgestaltungen der Erfindung.The object of the invention is to provide a temperature
pressure and displacement-compatible pipe wall bushing for one
To create sootblower lance that is gas-tight and
Space between the pressure jacket and the tube cage
protects against high temperatures. The solution to the task
is carried out by the characteristic features of the
In dem Abhitzekessel herrscht zwischen dem Gasraum innerhalb des Rohrkäfigs und dem vom Druckmantel und Rohrkäfig gebildeten Zwischenraum eine Druckdifferenz. Ein Eindringen von Heißgas aus dem Gasraum in den Zwischenraum ist nicht statthaft, da es sonst zu unzulässig hohen Temperaturen am Außenmantel des Behälters kommt. Deshalb wird der gesamte Durchtrittsbereich durch den Rohrkäfig mit einem Rußbläserkasten und einer Gleitplatte gasdicht gekapselt. Eine langlochförmige Durchtrittsöffnung des Rußbläserkastens ist durch eine Gleitplatte abgedeckt, die auf der Rußbläserlanze aufgesteckt ist. Als Hitzeschutz wird an die rechteckige Gleitplatte auf der Seite des Rußbläserkastens eine wärmeisolierende keramische Faserplatte angebracht. Die Faserplatte ist durch einen umlaufenden Rahmen eingefaßt und kann mit einem Kleber auf einer mit Streckmetall belegten Stahlplatte befestigt sein.In the waste heat boiler there is between the gas space inside the tube cage and that of the pressure jacket and Pipe cage formed a space pressure difference. On Penetration of hot gas from the gas space into the space is not permitted, otherwise it would be too high Temperatures on the outer jacket of the container comes. Therefore the entire passage area through the pipe cage a soot blower box and a sliding plate gas-tight capsuled. An elongated passage opening of the Soot blower box is covered by a sliding plate that is attached to the sootblower lance. As heat protection is attached to the rectangular slide plate on the side of the Soot blower box is a heat-insulating ceramic Fiberboard attached. The fiberboard is through one encircled frame and can be glued on a steel plate covered with expanded metal.
Die permanente Anpressung der Gleitplatte an den Rußbläserkasten erfolgt in bekannter Weise mit einer Druckfeder, die über eine Distanzhülse und einen Dichtring die erforderliche Dichtkraft aufbringt. Ein Packungsring ist in die Hülse eingelegt und dichtet die Gleitplatte gegen die Rußbläserlanze ab. Dadurch ist die Bewegbarkeit der Lanze in vertikaler und horizontaler Richtung bei gleichzeitiger Abdichtung des Gasraums gegen den Zwischenraum gewährleistet. Die Gasdichtheit wird durch die Anpressung der Faserplatte an den Rohrkäfig erzielt. Bei abriebfestem Fasermattenmaterial wird die Faserplatte mit Überstand zu dem Profilrahmen eingebaut. Ist das keramische Material weniger abriebfest, läßt man es mit dem Profilrahmen abschließen und sichert die Gasdichtheit zusätzlich durch hitzebeständige, elastische Schnüre ab.The permanent pressure of the sliding plate on the Sootblower box is made in a known manner with a Compression spring, which has a spacer sleeve and a sealing ring applies the required sealing force. A packing ring is inserted in the sleeve and seals the sliding plate against the sootblower lance. This makes mobility the lance in vertical and horizontal directions simultaneous sealing of the gas space against the Space guaranteed. The gas tightness is ensured by the The fibreboard is pressed against the pipe cage. At abrasion-resistant fiber mat material is used with the fiberboard Protrusion built into the profile frame. Is that ceramic Material less abrasion-resistant, you leave it with the Complete the profile frame and ensure gas tightness additionally by heat-resistant, elastic cords.
Damit die Rußbläserlanze in den Gasraum eindringen kann, sind zwei Rohre des Rohrkäfigs im Lanzendurchtrittsbereich ausgeknickt, um die Durchtrittsöffnung zu bilden. Im Bereich der ausgeknickten Rohre fehlt der Wärmeschutz, so daß die volle Temperaturbeaufschlagung, t > 1400°C, aus dem Gasraum vom Rußbläserkasten und der Gleitplatte aufgenommen werden muß. Da die vorgenannten Bauteile ungekühlt sind, müssen sie wärmeisoliert werden, weil sonst durch Hochtemperatur-Korrosion und Wärmeverformungen Schäden auftreten.So that the sootblower lance can penetrate into the gas space, are two tubes of the tube cage in the lance passage area bent out to form the passage opening. in the The area of the kinked pipes lacks heat protection, so that the full temperature application, t> 1400 ° C, from the Gas space from the soot blower box and the slide plate must become. Since the aforementioned components are uncooled, they have to be thermally insulated, otherwise through High temperature corrosion and heat distortion damage occur.
Der Wärmeschutz für den Rußbläserkasten erfolgt durch zwei Arten von Isoliermaterialien, einmal durch eine keramische Fasermatte, die am Rußbläserkasten anliegt und zum anderen durch Feuerfest-Material, das zur Gasrauminnenseite angeordnet ist. Das keramische Fasermaterial hat einen wesentlich geringeren Wärmeleitwert als das Feuerfest-Material, so daß die Kombination beider Materialien einen optimalen Wärmeschutz bietet. Zum Gasraum hin ist Feuerfest-Material in Form von Gieß- oder Spritzmasse erforderlich, da dieses Material gegen Flugstaub und heiße Schlacke beständig ist. Die Feuerfest-Masse wird schwimmend durch die ausgeknickten Rohre und daran aufgebrachte Anker gehalten. Der Vorteil dieser Ausführung liegt darin, daß sich unterschiedliche Wärmedehnungen von Feuerfest-Material, Rußbläserkasten und Rohren nicht in Spannungserhöhungen oder Abbröckeln der Feuerfest-Masse umsetzen, sondern daß eine freie Wärmeausdehnung gegeben ist. Dadurch werden Rißbildungen in der Feuerfest-Masse oder ein Abbröckeln von Teilen der Feuerfest-Masse vermieden. Aus diesem Grunde sind auch die ausgeknickten Rohre mit einer Folie umwickelt, damit Relativbewegungen kompensiert werden können.Thermal protection for the soot blower box is provided by two Types of insulating materials, one by one ceramic Fiber mat that lies against the soot blower box and the other thanks to refractory material that leads to the inside of the gas compartment is arranged. The ceramic fiber material has one significantly lower thermal conductivity than the refractory material, so that the combination of both materials one offers optimal heat protection. To the gas room is Refractory material in the form of casting or spraying compound required as this material protects against fly dust and hot Slag is resistant. The refractory mass will floating through the bent tubes and on it anchored anchors held. The advantage of this version is that there are different thermal expansions of Refractory material, soot blower box and pipes not in Stress increases or crumbling of the refractory mass implement, but that there is a free thermal expansion is. This will cause cracks in the refractory mass or a crumbling off of parts of the refractory mass avoided. For this reason, the knocked out Tubes wrapped with a film, so that relative movements can be compensated.
Die Erfindung wird anhand der Zeichnung näher erläutert.The invention is explained in more detail with reference to the drawing.
Es zeigen:
- Fig. 1
- einen Querschnitt durch den Mantelbereich des Abhitzekessels mit Rohrkäfig und Rußbläserkasten,
- Fig. 2
- einen Schnitt A-A (Längsschnitt) durch den Rußbläserkasten der Fig. 1,
- Fig. 3
- einen vergrößerten Ausschnitt aus dem Rußbläserkasten der Fig. 1 und
- Fig. 4
- einen Ausschnitt ähnlich wie Fig. 3, jedoch ohne elastische Schnur.
- Fig. 1
- a cross section through the jacket area of the waste heat boiler with tube cage and soot blower box,
- Fig. 2
- 2 shows a section AA (longitudinal section) through the sootblower box of FIG. 1,
- Fig. 3
- an enlarged section of the soot blower box of Fig. 1 and
- Fig. 4
- a section similar to Fig. 3, but without an elastic cord.
Wie in Fig. 1 dargestellt, herrscht zwischen dem Gasraum (1) und dem vom Rohrkäfig (3) und Druckmantel (4) gebildeten Zwischenraum (2) eine erhebliche Temperaturdifferenz und eine geringe Druckdifferenz. Damit die hohe Temperatur des Gasraums nicht in den Zwischenraum gelangt, ist der gesamte Bereich des Rußbläserkastens (5) wärmeisoliert und gasdicht gekapselt. Die langlochförmige Durchtrittsöffnung (6) des Rußbläserkastens (5) ist durch eine Gleitplatte (7) abgedeckt, die auf der Rußbläserlanze (8) aufgesteckt ist. Die Gleitplatte (7) weist auf der Seite des Rußbläserkastens (5) eine wärmeisolierende, keramische Faserplatte (9) auf. Diese Faserplatte (9) ist durch einen umlaufenden Profilstahlrahmen (10) eingefaßt und mit einem wärmebeständigen Kleber (11) auf der mit Streckmetall (12) belegten Gleitplatte (7) befestigt.As shown in Fig. 1, there is between the gas space (1) and that of the tube cage (3) and pressure jacket (4) formed space (2) a significant Temperature difference and a small pressure difference. In order to the high temperature of the gas space is not in the space the entire area of the soot blower box (5) thermally insulated and gastight encapsulated. The elongated Passage opening (6) of the soot blower box (5) is through a sliding plate (7) covered on the soot blower lance (8) is attached. The sliding plate (7) points to the Side of the soot blower box (5) a heat-insulating, ceramic fiberboard (9). This fiberboard (9) is framed by a circumferential profile steel frame (10) and with a heat-resistant adhesive (11) on the with Expanded metal (12) occupied slide plate (7) attached.
Die Anpressung der Gleitplatte (7) an den Rußbläserkasten (5) wird mit einer Druckfeder erzielt, die über eine Distanzhülse (14) und einen Dichtring (15) die erforderliche Dichtkraft aufbringt. Ein Packungsring (15) ist in eine Hülse (16) eingelegt und dichtet die Gleitplatte (7) gegen die Rußbläserlanze (8) ab. An die ausgeknickten Rohre (17) sind Anker (19) angebracht, ferner werden die Rohre (17) mit einem Folienmaterial (18) umwickelt, bevor eine keramische Fasermatte (20) und eine feuerfeste Gieß- oder Stampfmasse (21) eingebracht werden. The pressure of the slide plate (7) on the soot blower box (5) is achieved with a compression spring that has a Spacer sleeve (14) and a sealing ring (15) applies the required sealing force. A packing ring (15) is inserted in a sleeve (16) and seals the Slide plate (7) against the soot blower lance (8). To the kinked tubes (17), anchors (19) are attached, further are the tubes (17) with a film material (18) wrapped before a ceramic fiber mat (20) and a Refractory casting or ramming mass (21) can be introduced.
Entsprechend Fig. 2 sind im Durchtrittsbereich der Rußbläserlanze (8) zwei Rohre (17) des Rohrkäfigs (3) ausgebogen, so daß die volle Temperaturbeaufschlagung vom Rußbläserkasten (5) und dem Gleitblech (7) aufgenommen wird. Da die vorgenannten Bauteile (5, 7) ungekühlt sind, müssen sie wärmeisoliert werden. Daher wird der Rußbläserkasten (5) innen durch zwei Arten von Isoliermaterialien geschützt, einmal durch eine keramische Fasermatte (20), die am Rußbläserkasten (5) anliegt, und einem Feuerfest-Material (21), das zur Gasraumseite angeordnet ist. Die Feuerfest-Masse wird schwimmend durch die ausgeknickten Rohre (17) und die daran angebrachten Anker (19) gehalten. Ferner sind die ausgeknickten Rohre (17) mit einer Folie (18) umwickelt, damit die Relativbewegungen kompensiert werden können.2 are in the passage area Sootblower lance (8) two pipes (17) of the pipe cage (3) bent out so that the full temperature exposure from Soot blower box (5) and the sliding plate (7) added becomes. Since the aforementioned components (5, 7) are uncooled, they need to be thermally insulated. Hence the Soot blower box (5) inside by two types of Insulating materials protected, once by a ceramic Fiber mat (20), which lies against the soot blower box (5), and a refractory material (21) to the gas room side is arranged. The refractory mass is floating through the kinked pipes (17) and the attached Anchor (19) held. Furthermore, the kinked pipes (17) wrapped with a film (18) so that Relative movements can be compensated.
Die Rußbläserlanze (8) ist in bekannter Weise an einem Flansch (25) mittels Befestigungselementen (26) und Dichtelementen (27) am Stutzen (4.1) des Druckmantels (4) befestigt. Eine Druckfeder (13) drückt auf eine Distanzhülse (14) mit in der Hülse (16) angeordneter Dichtung (15) und stellt damit die Gasdichtigkeit her.The sootblower lance (8) is in a known manner on one Flange (25) by means of fasteners (26) and Sealing elements (27) on the socket (4.1) of the pressure jacket (4) attached. A compression spring (13) presses on one Spacer sleeve (14) arranged in the sleeve (16) Seal (15) and thus creates the gas tightness.
Aus Fig. 3 ist zu erkennen, daß bei Verwendung von abriebfestem Faserplattenmaterial die Faserplatte (9) mit Überstand zu dem Profilstahlrahmen (10) eingebaut wird. Ist das keramische Material weniger abriebfest, läßt man es mit der Profilstahlhöhe (10) abschließen und sichert die Gasdichtigkeit zusätzlich durch hitzebeständige, elastische Schnüre (24) ab. Die Schnur (24) wird zwischen dem Führungsblech (22) und Halteblech (23) des Rußbläserkastens (5) und dem Profilrahmen (10) eingebracht.From Fig. 3 it can be seen that when using abrasion-resistant fiberboard material with the fiberboard (9) Overhang to the profile steel frame (10) is installed. Is the ceramic material is less resistant to abrasion, you leave it with complete the profile steel height (10) and secures the Gas-tightness also thanks to heat-resistant, elastic Cords (24). The cord (24) is between the Guide plate (22) and holding plate (23) of the soot blower box (5) and the profile frame (10) introduced.
Entsprechend Fig. 4 erfolgt die Abdichtung der Gasräume ausschließlich durch die Gleitplatte (7), die mit einem Kleber (11) und Streckmetall (12) an der keramischen Faserplatte (9) befestigt ist, wobei die Gleitplatte gegen den Rußbläserkasten gedrückt wird. Die keramische Faserplatte (9) ist im vorliegenden Fall stärker als der Profilrahmen (10) ausgebildet. 4, the gas spaces are sealed exclusively by the slide plate (7), which with a Adhesive (11) and expanded metal (12) on the ceramic Fiberboard (9) is attached, the sliding plate against the soot blower box is pressed. The ceramic Fiberboard (9) is stronger than that in the present case Profile frame (10) formed.
- 11
- GasraumGas space
- 22nd
- RingspaltAnnular gap
- 33rd
- RohrkäfigPipe cage
- 44th
- DruckmantelPressure jacket
- 4.14.1
- StutzenSupport
- 55
- RußbläserkastenSoot blower box
- 66
- LanglochöffnungenSlot openings
- 77
- GleitblechSliding plate
- 88th
- RußbläserlanzeSootblower lance
- 99
- Keramische FaserplatteCeramic fiberboard
- 1010th
- Umlaufender ProfilstahlAll-round profile steel
- 1111
- KleberGlue
- 1212th
- StreckmetallExpanded metal
- 1313
- DruckfederCompression spring
- 1414
- DistanzhülseSpacer sleeve
- 1515
- DichtringSealing ring
- 1616
- HülseSleeve
- 1717th
- Ausgeknicktes RohrKinked tube
- 1818th
- FolienmaterialFoil material
- 1919th
- Ankeranchor
- 2020th
- Keramische Fasermatte (Glaswolle)Ceramic fiber mat (glass wool)
- 2121
- ff-Materialff material
- 2222
- FührungsblechGuide plate
- 2323
- HalteblechBracket
- 2424th
- Temperaturbeständige SchnurTemperature resistant cord
- 2525th
- Flanschflange
- 2626
- BefestigungselementeFasteners
- 2727
- DichtungsringSealing ring
Claims (4)
- A waste heat boiler with an outer pressure jacket (4) which surrounds a tube cage (3) of coolant tubes, a medium- or high-pressure gas chamber being located in the tube cage, with a soot blower (8) which is passed movably through the pressure jacket and through an opening in the tube cage, and with a sealing box (5) which surrounds the opening in the tube cage and is located on the side of the tube cage facing the pressure jacket, characterised in that the sealing box (5) has a passage opening (6) in the form of an elongate hole, that a sliding plate (7) is placed on the soot blower which is seated in an annular clamp (22, 23) of the sealing box, a pressure spring (14) which is supported on the pressure jacket (4) acting on the sliding plate (7), and that a ceramic fibre plate (9) surrounding the soot blower is arranged between the passage opening and the sliding plate, which blower is surrounded by a metal frame (10).
- A waste heat boiler according to Claim 1,
characterised in that an expanded metal ring (12) is located between the sliding plate (7) and the ceramic fibre plate (9), and that there is an adhesive join (12) between the expanded metal ring, the sliding plate and the fibre plate. - A waste heat boiler according to Claim 1,
characterised in that the ceramic fibre plate (9) is thicker than the metal frame (10) surrounding the fibre plate. - A waste heat boiler according to Claim 1,
characterised in that the metal frame (10) surrounding the fibre plate (9) is surrounded by a sealing profile of refractory material (24).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19533908 | 1995-09-13 | ||
| DE19533908A DE19533908C2 (en) | 1995-09-13 | 1995-09-13 | Waste heat boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0763702A1 EP0763702A1 (en) | 1997-03-19 |
| EP0763702B1 true EP0763702B1 (en) | 2000-04-12 |
Family
ID=7772050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96113622A Expired - Lifetime EP0763702B1 (en) | 1995-09-13 | 1996-08-26 | Waste heat boiler with soot blower |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0763702B1 (en) |
| DE (2) | DE19533908C2 (en) |
| ES (1) | ES2146819T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451768B (en) * | 2007-11-28 | 2010-09-22 | 中国恩菲工程技术有限公司 | Exhaust-heating boiler |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19714376C1 (en) * | 1997-04-08 | 1999-01-21 | Gutehoffnungshuette Man | Synthesis gas generator with combustion and quench chamber |
| CA2491952C (en) | 2002-07-09 | 2011-06-28 | Clyde Bergemann, Inc. | Integral packing housing and packing material unit |
| DE202010002473U1 (en) | 2010-02-17 | 2010-05-27 | Interprojekt Gmbh | Plant for de-stoking flue gas with a blow-off device |
| CN101846325B (en) * | 2010-06-02 | 2012-08-22 | 中国石油化工集团公司 | Soot blower |
| CN102901111A (en) * | 2011-07-29 | 2013-01-30 | 宜兴天地节能技术有限公司 | Soot blower for chamber-combustion water tube pulverized coal fired boiler |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE600827C (en) * | 1932-02-18 | 1934-08-01 | L & C Steinmueller Fa | Soot blower for steam boiler |
| DE1176785B (en) * | 1957-04-20 | 1964-08-27 | Babcock & Wilcox Dampfkessel | Sootblower Sealing |
| DE2940257C2 (en) * | 1979-10-04 | 1984-11-08 | Ruhrchemie Ag, 4200 Oberhausen | Radiation boiler for cooling a gas stream containing solid and molten particles |
| US4545330A (en) * | 1984-04-10 | 1985-10-08 | Cool Water Coal Gasification Program | Self-cleaning liner |
| CH667521A5 (en) * | 1985-09-03 | 1988-10-14 | Sulzer Ag | SUSSBLAESER. |
| DE4142448A1 (en) * | 1991-12-18 | 1993-07-08 | Ver Energiewerke Ag | Water-jet lance for cleaning heat-exchangers |
| US5203284A (en) * | 1992-03-02 | 1993-04-20 | Foster Wheeler Development Corporation | Fluidized bed combustion system utilizing improved connection between the reactor and separator |
-
1995
- 1995-09-13 DE DE19533908A patent/DE19533908C2/en not_active Expired - Fee Related
-
1996
- 1996-08-26 EP EP96113622A patent/EP0763702B1/en not_active Expired - Lifetime
- 1996-08-26 DE DE59604944T patent/DE59604944D1/en not_active Expired - Lifetime
- 1996-08-26 ES ES96113622T patent/ES2146819T3/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451768B (en) * | 2007-11-28 | 2010-09-22 | 中国恩菲工程技术有限公司 | Exhaust-heating boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59604944D1 (en) | 2000-05-18 |
| EP0763702A1 (en) | 1997-03-19 |
| DE19533908C2 (en) | 1998-07-23 |
| DE19533908A1 (en) | 1997-03-20 |
| ES2146819T3 (en) | 2000-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1781828A2 (en) | Device for protecting metallic surfaces from condensates of high-temperature corrosive media in technical installations | |
| KR101345110B1 (en) | Insulating element for a pipe for transporting hot gases and method of implementing such a pipe | |
| DE102008020204A1 (en) | Burner holding device with cooling system for a burner arrangement in an entrained flow gasifier | |
| EP0763702B1 (en) | Waste heat boiler with soot blower | |
| DE3333764C2 (en) | Ceramic recuperator | |
| DE102008060918A1 (en) | Steam generator for generating superheated steam in a waste incineration plant | |
| DD288614A5 (en) | REACTOR FOR FLOW CURING | |
| DE2328020C3 (en) | Insulating jacket for the furnace space of a vertical tube furnace system for hot isostatic pressing, which is arranged in a pressure chamber | |
| EP2024075A1 (en) | Collecting line for tubular reforming furnaces | |
| DE2138924C3 (en) | Pressure vessel for nuclear reactors | |
| DE2709699C2 (en) | Autoclave for carrying out substance conversions under high temperatures and high pressures | |
| DE19611532C1 (en) | Fire room wall in refuse incinerator plants | |
| EP3491107B1 (en) | Cooling screen with variable pipe diameter for high gasifier power | |
| DE2908839A1 (en) | DEVICE FOR SEALING THE CHAMBERS OF COCING OVENS | |
| DE3401498C2 (en) | ||
| JPS5855694A (en) | Heat exchanger with floating type housing | |
| DE2854146C2 (en) | ||
| DE3153041C2 (en) | Device for cooling the furnace wall of a shaft furnace, in particular a blast furnace | |
| JPS6259692A (en) | Door for coke oven | |
| DE1501414C (en) | Cyclone for heating fine-grained goods using hot gases | |
| AT312634B (en) | Steam generating boiler | |
| DE2624244C2 (en) | Recuperative heat exchanger in a vertical arrangement | |
| DE1929802A1 (en) | Refractory sheath for slide tube carrier in - furnaces | |
| DD214185A1 (en) | RINGFOERMIGES HEAT-RESISTANT ASSEMBLY ELEMENT | |
| AT214538B (en) | Nuclear reactor with graphite moderator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE ES GB IT NL |
|
| 17P | Request for examination filed |
Effective date: 19970220 |
|
| 17Q | First examination report despatched |
Effective date: 19990316 |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: METALLGESELLSCHAFT AKTIENGESELLSCHAFT |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| RTI1 | Title (correction) |
Free format text: WASTE HEAT BOILER WITH SOOT BLOWER |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE ES GB IT NL |
|
| REF | Corresponds to: |
Ref document number: 59604944 Country of ref document: DE Date of ref document: 20000518 |
|
| ITF | It: translation for a ep patent filed |
Owner name: STUDIO JAUMANN P. & C. S.N.C. |
|
| GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20000710 |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2146819 Country of ref document: ES Kind code of ref document: T3 |
|
| EN | Fr: translation not filed | ||
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| 26N | No opposition filed | ||
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20120821 Year of fee payment: 17 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20120828 Year of fee payment: 17 Ref country code: IT Payment date: 20120822 Year of fee payment: 17 Ref country code: DE Payment date: 20120828 Year of fee payment: 17 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20120821 Year of fee payment: 17 |
|
| REG | Reference to a national code |
Ref country code: NL Ref legal event code: V1 Effective date: 20140301 |
|
| GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20130826 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20140301 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20140301 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 59604944 Country of ref document: DE Effective date: 20140301 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20130826 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20130826 |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20140908 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20130827 |