EP1001218A2 - Grille de combustion refroidie par eau, ainsi que procédé de combustion de déchets sur celle-ci - Google Patents

Grille de combustion refroidie par eau, ainsi que procédé de combustion de déchets sur celle-ci Download PDF

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Publication number
EP1001218A2
EP1001218A2 EP99810954A EP99810954A EP1001218A2 EP 1001218 A2 EP1001218 A2 EP 1001218A2 EP 99810954 A EP99810954 A EP 99810954A EP 99810954 A EP99810954 A EP 99810954A EP 1001218 A2 EP1001218 A2 EP 1001218A2
Authority
EP
European Patent Office
Prior art keywords
grate
feed
combustion
water
primary air
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
Application number
EP99810954A
Other languages
German (de)
English (en)
Other versions
EP1001218B1 (fr
EP1001218A3 (fr
Inventor
Jakob Stiefel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Doikos Investments Ltd
Original Assignee
Doikos Investments Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Doikos Investments Ltd filed Critical Doikos Investments Ltd
Publication of EP1001218A2 publication Critical patent/EP1001218A2/fr
Publication of EP1001218A3 publication Critical patent/EP1001218A3/fr
Application granted granted Critical
Publication of EP1001218B1 publication Critical patent/EP1001218B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H7/00—Inclined or stepped grates
    • F23H7/06—Inclined or stepped grates with movable bars disposed parallel to direction of fuel feeding
    • F23H7/08—Inclined or stepped grates with movable bars disposed parallel to direction of fuel feeding reciprocating along their axes
    • 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
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H3/00—Grates with hollow bars
    • F23H3/02—Grates with hollow bars internally cooled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L1/00—Passages or apertures for delivering primary air for combustion 
    • F23L1/02—Passages or apertures for delivering primary air for combustion  by discharging the air below the fire
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H2900/00—Special features of combustion grates
    • F23H2900/03021—Liquid cooled grates

Definitions

  • a combustion air supply defined at any time and at any location on the grate is the most important prerequisite for the operation of a waste furnace, which should have the lowest possible emissions. Reaching this goal is becoming more and more difficult in practice because of the quality of the refuse in the course of the operating life designed for at least 20 years a waste incineration plant varies. In addition to the basic physical and chemical composition of the garbage it is especially the very widely varying calorific value of the refuse, which causes problems. Rose the Calorific value just a few years ago as a result of commercial waste and sorting of difficultly flammable materials such as green waste and compostable Substances continuously to approx.
  • the individual grate plates 5,6 are made of sheet steel and also designed as a hollow body, which is inevitably made of water are flowed through that their cavity is always completely filled with water and no air bubbles can form inside. All steel sheet parts of the grate, be it the side planks 8.9 or the grate plates 5.6, which with coming into contact with the firing material are therefore on the rear side of the sheet constantly covered by water. So everyone can come into contact with fire Parts are constantly cooled and kept at a stable temperature so that practically no dilations occur. It is therefore not necessary to the side of the Provide any compensation elements.
  • the grate plates 5.6 either extend individually over the entire width of the grate track or in a variant several grate plates are connected together so that they Cover the entire width of the grate track without slits between them and thereby hardly any rust diarrhea occurs, which is due to the ones under the grate Fitters could fall down.
  • several grate plates become one Grate step can be connected together, for example by screwing them together or welding such individual grate plates together take place, each of which extends over part of the grating track width.
  • two, three or more grate plates arranged side by side can be used can be combined into a single grate level.
  • This design allows individual longitudinal sections of a grate track in the Prepare the workshop ready for installation and complete such grate track sections on site assemble quickly. Complicated special transports on the one hand or protracted on-site assembly work is avoided.
  • the Water cooling of the grate plates takes place through connections on the square tube 10, in which cooling water flows from bottom to top. It is based on one open expansion tank, which is, for example, at the level of Dispenser gutter or higher located, through a line by means of a Electric pump pumped down into the square tube 10 and therein at a pressure held by 3-4 bar. Two adjacent grate plates become one in series Cooling circuit switched, since together they always have a constant grate surface form.
  • the primary air openings 25 of the first six grate plates 5, 6 are assigned to the primary air zone 32, those of the next eight grate plates 5,6 are fed from the primary air zone 33, and the last seven grate plates 5,6 are supplied with primary air from the primary air zone 34.
  • These different primary air zones 32-34 are separate from each other and additional can target combustion-promoting gases to each of these zones Pure oxygen, for example.
  • a push-back grate 31 is attached, which has a greater inclination, here 26 °, because the firing material is due to a moving-back grate alone gravity is transported.
  • This sliding grate 31 out in the same way water-cooled stationary 5 and movable arranged therebetween Grate plates 6 are divided into two primary air zones 35 and 36.
  • each movable grate is individually movable, both in relation to the respective stroke length as well as in relation to the stroke speed and the frequency of the batches, the firing material lying on the grate can be local and treated separately in terms of time and transported by name and be stoked.
  • the primary air supply can be regulated zone by zone and the addition of oxygen when required can also be difficult help combustible materials to burn out completely. This rust allows hence a much more universal adjustment of the significant conditions for the Burning out of a certain product to be burned. It can therefore targeted consideration of the calorific values and the composition of the rubbish be taken and optimal burnout can be achieved in any case.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Incineration Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)
  • Baking, Grill, Roasting (AREA)
EP99810954A 1998-11-10 1999-10-20 Grille de combustion refroidie par eau et procédé de combustion de déchets correspondant Expired - Lifetime EP1001218B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH224798 1998-11-10
CH224798 1998-11-10

Publications (3)

Publication Number Publication Date
EP1001218A2 true EP1001218A2 (fr) 2000-05-17
EP1001218A3 EP1001218A3 (fr) 2000-12-06
EP1001218B1 EP1001218B1 (fr) 2001-12-12

Family

ID=4229312

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99810954A Expired - Lifetime EP1001218B1 (fr) 1998-11-10 1999-10-20 Grille de combustion refroidie par eau et procédé de combustion de déchets correspondant

Country Status (4)

Country Link
EP (1) EP1001218B1 (fr)
AT (1) ATE210800T1 (fr)
DE (1) DE59900534D1 (fr)
DK (1) DK1001218T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003025459A1 (fr) * 2001-09-14 2003-03-27 Fls Miljø A/S Chaudiere et procede permettant d'extraire de l'energie d'un combustible
EP1394468A1 (fr) 2002-08-29 2004-03-03 Von Roll Umwelttechnik AG Element de grille pour une grille d'incinérateur
CN101922715A (zh) * 2010-09-01 2010-12-22 重庆科技学院 两段式垃圾焚烧炉
CN110242959A (zh) * 2019-05-09 2019-09-17 重庆三峰卡万塔环境产业有限公司 一种逆推炉排的两段无阶差驱动装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011017833A1 (fr) * 2009-08-10 2011-02-17 东南大学 Grille de foyer a vibrations refroidie par eau, a distribution d'air couplee non uniforme, bidirectionnelle, pour chaudiere a combustion directe de biomasse
DE102014008858A1 (de) 2014-06-16 2015-12-17 Joachim Kümmel Verfahren zur Verbrennung von Abfall und Biomassen auf einem Flossenwand-Stufenrost sowie Vorrichtung zur Durchführung des Verfahrens
FI20215661A1 (fi) 2021-06-07 2022-12-08 Ariterm Service Oy Nestejäähdytteinen arina kiinteän polttoaineen polttimessa

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0621449A1 (fr) 1993-04-20 1994-10-26 Doikos Investments Ltd Procédé pour la combustion de déchets sur une grille de combustion ainsi qu'une grille de combustion pour la mise en oeuvre du procédé et barreau pour la fabrication d'une telle grille

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1908992A (en) * 1926-01-29 1933-05-16 Martin Josef Stoking grate
AU1530795A (en) * 1994-02-07 1995-08-21 Techform Engineering Ag Process for burning solids with a sliding firebar system
DE4429958A1 (de) * 1994-08-24 1996-02-29 Noell Abfall & Energietech Verfahren und Vorrichtung zur thermischen Behandlung von Rostschlacken
DE19650742C1 (de) * 1996-12-06 1998-02-19 Metallgesellschaft Ag Mit Wasser gekühlter Verbrennungsrost

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0621449A1 (fr) 1993-04-20 1994-10-26 Doikos Investments Ltd Procédé pour la combustion de déchets sur une grille de combustion ainsi qu'une grille de combustion pour la mise en oeuvre du procédé et barreau pour la fabrication d'une telle grille

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003025459A1 (fr) * 2001-09-14 2003-03-27 Fls Miljø A/S Chaudiere et procede permettant d'extraire de l'energie d'un combustible
EP1394468A1 (fr) 2002-08-29 2004-03-03 Von Roll Umwelttechnik AG Element de grille pour une grille d'incinérateur
CN101922715A (zh) * 2010-09-01 2010-12-22 重庆科技学院 两段式垃圾焚烧炉
CN110242959A (zh) * 2019-05-09 2019-09-17 重庆三峰卡万塔环境产业有限公司 一种逆推炉排的两段无阶差驱动装置

Also Published As

Publication number Publication date
DK1001218T3 (da) 2002-04-08
ATE210800T1 (de) 2001-12-15
EP1001218B1 (fr) 2001-12-12
DE59900534D1 (de) 2002-01-24
EP1001218A3 (fr) 2000-12-06

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