EP0394679A3 - Floor for a fluidized bed furnace - Google Patents
Floor for a fluidized bed furnace Download PDFInfo
- Publication number
- EP0394679A3 EP0394679A3 EP19900105642 EP90105642A EP0394679A3 EP 0394679 A3 EP0394679 A3 EP 0394679A3 EP 19900105642 EP19900105642 EP 19900105642 EP 90105642 A EP90105642 A EP 90105642A EP 0394679 A3 EP0394679 A3 EP 0394679A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluidized bed
- jacket
- recesses
- closed
- floor
- 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.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
- F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
- F27B15/10—Arrangements of air or gas supply devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/20—Inlets for fluidisation air, e.g. grids; Bottoms
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Dispersion Chemistry (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
Aus porösen, gasdurchlässigen Keramiksteinen (5) bestehende Böden für Wirbelschichtöfen weisen bei stark variieren den Temperaturen der sie durchströmenden Gase nur kurze Standzeiten auf. Um die Standzeiten erheblich zu erhöhen werden von der Ofenkonstruktion getragene schmale, sich quer zur Längsachse des Ofens erstreckende geschlossene, mit einem Anschluß zur Zuführung von Gasen vorgesehene Gaskammern vorgesehen, deren Oberseite in regelmäßiger Teilung Ausnehmungen (3) aufweist, sowie durch jeweils auf eine Ausnehmung gestellte, metallummantelte poröse Keramiksteine (5), bei denen die Böden der Mäntel (4) je eine den Ausnehmungen (3) entsprechende und mit diesem kommuni zierende Öffnung (6) aufweisen, und bei denen der Mantel (4) auf einen übergestülpten, den Mantel (4) mit abgekanteten Randstreifen umgebenden und mindestens eine Öffnung (9) auf weisenden Deckrahmen (8) geschlossen ist. Porous, gas-permeable ceramic stones (5) Floors for fluidized bed furnaces vary widely the temperatures of the gases flowing through them only briefly Downtimes. To increase the service life considerably are narrow, supported by the furnace construction closed, transverse to the longitudinal axis of the furnace provided with a connection for supplying gases Gas chambers provided, the top of which in regular Division has recesses (3), and by each a recessed, metal-coated porous Ceramic stones (5), in which the bottoms of the coats (4) each have one corresponding to the recesses (3) and communicating with this have decorative opening (6), and in which the jacket (4) on an overturned, the jacket (4) with folded Border surrounding and at least one opening (9) facing cover frame (8) is closed.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8904520U DE8904520U1 (en) | 1989-04-11 | 1989-04-11 | Floor for fluidized bed furnaces |
DE8904520U | 1989-04-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0394679A2 EP0394679A2 (en) | 1990-10-31 |
EP0394679A3 true EP0394679A3 (en) | 1991-05-15 |
Family
ID=6838158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19900105642 Ceased EP0394679A3 (en) | 1989-04-11 | 1990-03-24 | Floor for a fluidized bed furnace |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0394679A3 (en) |
DE (1) | DE8904520U1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100504165C (en) * | 2004-05-21 | 2009-06-24 | 中国科学院工程热物理研究所 | Blast cap with a mosaic porous section |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1537099A (en) * | 1966-07-14 | 1968-08-23 | Kockums Mekaniska Verkstads Ab | Method and apparatus for promoting fluidization of particulate, granular, or viscous materials |
FR2198873A1 (en) * | 1972-09-08 | 1974-04-05 | Siraga | Hopper with fluidising base - for flour silos, ensures a practically uniform flow is obtd |
EP0013975A1 (en) * | 1979-01-25 | 1980-08-06 | COMPAGNIE EUROPEENNE POUR L'EQUIPEMENT MENAGER "CEPEM" Société anonyme dite: | Fluidisation equipment |
DE3407441A1 (en) * | 1983-03-01 | 1984-09-06 | Kawasaki Jukogyo K.K., Kobe, Hyogo | FLUIDIZED LAYER INCINERATOR |
FR2616684A1 (en) * | 1987-06-19 | 1988-12-23 | Colmant Cuvelier | Process for producing a leakproof edging for a fluidisation support, and fluidisation support with a leakproof edging obtained by this process |
-
1989
- 1989-04-11 DE DE8904520U patent/DE8904520U1/en not_active Expired
-
1990
- 1990-03-24 EP EP19900105642 patent/EP0394679A3/en not_active Ceased
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1537099A (en) * | 1966-07-14 | 1968-08-23 | Kockums Mekaniska Verkstads Ab | Method and apparatus for promoting fluidization of particulate, granular, or viscous materials |
FR2198873A1 (en) * | 1972-09-08 | 1974-04-05 | Siraga | Hopper with fluidising base - for flour silos, ensures a practically uniform flow is obtd |
EP0013975A1 (en) * | 1979-01-25 | 1980-08-06 | COMPAGNIE EUROPEENNE POUR L'EQUIPEMENT MENAGER "CEPEM" Société anonyme dite: | Fluidisation equipment |
DE3407441A1 (en) * | 1983-03-01 | 1984-09-06 | Kawasaki Jukogyo K.K., Kobe, Hyogo | FLUIDIZED LAYER INCINERATOR |
FR2616684A1 (en) * | 1987-06-19 | 1988-12-23 | Colmant Cuvelier | Process for producing a leakproof edging for a fluidisation support, and fluidisation support with a leakproof edging obtained by this process |
Also Published As
Publication number | Publication date |
---|---|
EP0394679A2 (en) | 1990-10-31 |
DE8904520U1 (en) | 1989-06-01 |
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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 |
|
17P | Request for examination filed |
Effective date: 19900409 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT CH DE FR GB LI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT CH DE FR GB LI |
|
17Q | First examination report despatched |
Effective date: 19930405 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
|
18R | Application refused |
Effective date: 19931007 |