EP0633431A1 - Dispositif pour l'alimentation en combustible d'une grille à rouleaux - Google Patents
Dispositif pour l'alimentation en combustible d'une grille à rouleaux Download PDFInfo
- Publication number
- EP0633431A1 EP0633431A1 EP94105945A EP94105945A EP0633431A1 EP 0633431 A1 EP0633431 A1 EP 0633431A1 EP 94105945 A EP94105945 A EP 94105945A EP 94105945 A EP94105945 A EP 94105945A EP 0633431 A1 EP0633431 A1 EP 0633431A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grate
- roller
- feed
- feed table
- discharge edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/002—Incineration of waste; Incinerator constructions; Details, accessories or control therefor characterised by their grates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2203/00—Furnace arrangements
- F23G2203/103—Furnace arrangements with roller grate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2205/00—Waste feed arrangements
- F23G2205/10—Waste feed arrangements using ram or pusher
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2205/00—Waste feed arrangements
- F23G2205/16—Waste feed arrangements using chute
Definitions
- the invention relates to a device for feeding fuel, in particular garbage, onto a roller grate with the features of the preamble of the claim.
- Such a thrust feeder device is a failure-prone unit with a safe and low-maintenance mode of operation.
- the solid column inside the feeder shaft serves as an air seal of the combustion chamber from the outside atmosphere due to the cross-sectional conditions of the feeder shaft and the feed opening.
- the waste is compacted before entering the combustion chamber.
- the garbage compressed in this way falls onto the first grate roller when it enters the combustion chamber and expands there. At times, this can lead to discontinuous feeding, which can cause more or less strong fluctuations in the temperature of the combustion chamber.
- the invention has for its object to design the generic thrust task so that the loading of the roller grate is continuous.
- the arrangement of the first grate roller according to the invention forms a sump into which the compacted garbage emerging through the feed opening can expand without falling into the combustion chamber or falling onto the first grate roller. Rather, the garbage from the sump is fed continuously and loosely to the first grate roller for further transport. Due to the fuel reservoir created in the sump, the thrust piston is so well protected that it can be advanced to the combustion chamber in a more reliable manner than was previously the case. This makes it possible to limit the garbage area to be compacted to the size required for a safe air seal and thus to feed the quantity per feed stroke to the roller grate in even finer doses. Another advantage is that the garbage stored in the sump until further transport is already pre-dried during its dwell time by the temperatures prevailing in the combustion chamber.
- the drawing shows the longitudinal section through a roller grate with a feed device.
- the roller grate consists of several, parallel to one another and spaced apart from each other, hollow cylindrical, in the same direction of rotation driven grate rollers 1. Between the grate rollers 1 there is a storage space 2 which is delimited at the bottom by wipers 3.
- the outer end of the roller body of the grate rollers 1 is, as is known per se, formed by grate bar supports in which curved grate bars are suspended.
- An ash funnel 4 is arranged below each grate roller 1, through which combustion air is fed and through which the grate diarrhea is removed.
- the abandoned garbage is detected by the first grate roller 1, enters the storage space 2 between the first and the subsequent grate roller 1, where it is stripped by the scraper 3 from the first grate roller 1 and circulated in the storage space 2 before it is removed by the subsequent one Grate roller 1 is detected and transported on.
- a combustion chamber 6 is formed between the roller grate, a ceiling constructed from tubes 5, which are connected to one another in a gastight manner and through which water or steam flows, and side walls, not shown.
- the combustion chamber 6 is used for the afterburning and the removal of the flue gases resulting from the combustion of the waste.
- a feed chute 7 is connected upstream of the roller grate and is delimited at the bottom by a horizontal feed table 8.
- a stepped or obliquely downward-pointing floor 12 is located between the discharge edge 11 of the feed table 8 and the first grate roller 1.
- the feed chute 7 has a feed opening 13 which extends over the entire width of the feed chute 7 and is delimited at the bottom by the feed table 8.
- the height of the feed opening 13 is substantially smaller than the depth of the feed shaft 7.
- the first that is, the grate roller 1 adjacent to the feed chute 7 is arranged at a lateral distance from the discharge edge 11 of the feed table 8. Its upper apex 14 is preferably approximately in the plane of the feed table 8. Deviations from this plane by half a radius of the grate roller 1 downwards or upwards are possible. Due to this arrangement of the first grate roller 1, a sump 15 is formed above the bottom 12, into which the garbage pressed out of the feed opening 13 expands. As a result, the waste is loosened and continuously fed to the first grate roller 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Incineration Of Waste (AREA)
- Crushing And Grinding (AREA)
- Refuse Collection And Transfer (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4322909 | 1993-07-09 | ||
DE4322909A DE4322909A1 (de) | 1993-07-09 | 1993-07-09 | Vorrichtung zur Aufgabe von Brennstoff auf einen Walzenrost |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0633431A1 true EP0633431A1 (fr) | 1995-01-11 |
EP0633431B1 EP0633431B1 (fr) | 1996-07-17 |
Family
ID=6492354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94105945A Expired - Lifetime EP0633431B1 (fr) | 1993-07-09 | 1994-04-16 | Dispositif pour l'alimentation en combustible d'une grille à rouleaux |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0633431B1 (fr) |
AT (1) | ATE140526T1 (fr) |
DE (2) | DE4322909A1 (fr) |
DK (1) | DK0633431T3 (fr) |
ES (1) | ES2091063T3 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19707914A1 (de) * | 1997-02-27 | 1998-09-03 | Babcock Anlagen Gmbh | Verfahren und Vorrichtung zum Behandeln von Asche |
CN101532669B (zh) * | 2008-12-17 | 2011-02-16 | 伟明环保设备有限公司 | 多列式垃圾焚烧炉炉排的中间补偿机构 |
WO2013117059A1 (fr) * | 2012-02-10 | 2013-08-15 | Yuan Yongyang | Four d'incinération d'ordures hermétique et corps de four d'incinération |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3469544A (en) * | 1967-05-23 | 1969-09-30 | Ver Kesselwerke Ag | Incinerator |
DE1551906A1 (de) * | 1966-03-01 | 1970-01-15 | Martin Joh Jos Dr Ing | Beschickungseinrichtung fuer Grossfeuerungen,insbesondere Muellverbrennungsanlagen |
JPS59107116A (ja) * | 1982-12-10 | 1984-06-21 | Kubota Ltd | 焼却炉 |
DE3420020A1 (de) * | 1983-12-23 | 1985-07-04 | Müllverbrennungsanlage Wuppertal GmbH, 5600 Wuppertal | Roststab sowie rostwalze fuer den walzenrost z.b. einer muellverbrennungsanlage oder dergleichen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1401889A1 (de) * | 1960-04-22 | 1969-03-13 | Stadt Duesseldorf | Muellverbrennungsanlage |
DE3324627A1 (de) * | 1983-07-08 | 1985-01-24 | Müllverbrennungsanlage Wuppertal GmbH, 5600 Wuppertal | Verfahren zum verbrennen von muell |
SU1756741A1 (ru) * | 1989-11-21 | 1992-08-23 | Научно-Производственное Объединение По Исследованию И Проектированию Энергетического Оборудования Им.И.И.Ползунова | Топка дл сжигани твердых бытовых отходов |
-
1993
- 1993-07-09 DE DE4322909A patent/DE4322909A1/de not_active Withdrawn
-
1994
- 1994-04-16 EP EP94105945A patent/EP0633431B1/fr not_active Expired - Lifetime
- 1994-04-16 DE DE59400432T patent/DE59400432D1/de not_active Expired - Fee Related
- 1994-04-16 AT AT94105945T patent/ATE140526T1/de not_active IP Right Cessation
- 1994-04-16 DK DK94105945.3T patent/DK0633431T3/da active
- 1994-04-16 ES ES94105945T patent/ES2091063T3/es not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1551906A1 (de) * | 1966-03-01 | 1970-01-15 | Martin Joh Jos Dr Ing | Beschickungseinrichtung fuer Grossfeuerungen,insbesondere Muellverbrennungsanlagen |
US3469544A (en) * | 1967-05-23 | 1969-09-30 | Ver Kesselwerke Ag | Incinerator |
JPS59107116A (ja) * | 1982-12-10 | 1984-06-21 | Kubota Ltd | 焼却炉 |
DE3420020A1 (de) * | 1983-12-23 | 1985-07-04 | Müllverbrennungsanlage Wuppertal GmbH, 5600 Wuppertal | Roststab sowie rostwalze fuer den walzenrost z.b. einer muellverbrennungsanlage oder dergleichen |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 8, no. 224 (M - 331)<1661> 13 October 1984 (1984-10-13) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19707914A1 (de) * | 1997-02-27 | 1998-09-03 | Babcock Anlagen Gmbh | Verfahren und Vorrichtung zum Behandeln von Asche |
CN101532669B (zh) * | 2008-12-17 | 2011-02-16 | 伟明环保设备有限公司 | 多列式垃圾焚烧炉炉排的中间补偿机构 |
WO2013117059A1 (fr) * | 2012-02-10 | 2013-08-15 | Yuan Yongyang | Four d'incinération d'ordures hermétique et corps de four d'incinération |
Also Published As
Publication number | Publication date |
---|---|
DK0633431T3 (da) | 1996-11-25 |
ES2091063T3 (es) | 1996-10-16 |
DE59400432D1 (de) | 1996-08-22 |
EP0633431B1 (fr) | 1996-07-17 |
ATE140526T1 (de) | 1996-08-15 |
DE4322909A1 (de) | 1995-01-12 |
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