NL9301336A - Boiler combustion device for burning, in particular moist, waste material. - Google Patents
Boiler combustion device for burning, in particular moist, waste material. Download PDFInfo
- Publication number
- NL9301336A NL9301336A NL9301336A NL9301336A NL9301336A NL 9301336 A NL9301336 A NL 9301336A NL 9301336 A NL9301336 A NL 9301336A NL 9301336 A NL9301336 A NL 9301336A NL 9301336 A NL9301336 A NL 9301336A
- Authority
- NL
- Netherlands
- Prior art keywords
- resp
- waste material
- grate
- combustion
- flue gas
- Prior art date
Links
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
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
- F23G5/05—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying using drying 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
- F23G5/002—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Incineration Of Waste (AREA)
Description
Titel: Ketelstookinrichting voor het verbranden van, in het bijzonder vochtig, afvalmateriaal.Title: Boiler combustion device for burning, in particular moist, waste material.
De uitvinding betreft een ketelstookinrichting terverbranding van afval, in het bijzonder vochtig afvalmateriaal,welke stookinrichting is voorzien van een verbrandingsrooster meteen daarvoor opgesteld toevoerrooster voor afvalmateriaal,waarbij aan de zones voor luchttoevoer onder het verbrandings¬rooster voorverwarmde lucht en aan de luchttoevoerzönes onder hettoevoerrooster voor het afvalmateriaal gerecirculeerd rookgaswordt toegevoerd.The invention relates to a boiler firing device for the combustion of waste, in particular moist waste material, which firing device is provided with a combustion grate immediately arranged in front of it for the supply of waste material, wherein preheated air is provided at the air supply zones under the combustion grate and at the air supply zones under the supply grate for waste material recycled flue gas is supplied.
Uit de literatuur is het bekend, dat de dioxine-enfuraanemissies bij vochtig afvalmateriaal aanzienlijk hogerliggen dan bij droog afvalmateriaal.It is known from the literature that the dioxin-enfurane emissions for moist waste material are considerably higher than for dry waste material.
Uit de publicatie DE 3 913 885 Al is eenketelstookinrichting voor het stoken van vochtige brandstoffenbekend, welke is voorzien van een stookrooster en een daaraantoegevoerde inrichting voor het vooraf drogen van debrandstoffen. Bij deze bekende stookinrichting werd hetstookrooster naar de brandstoftoevoer toe verlengd en doet voorde stookruimte dienst als droogrooster voor de vochtigebrandstof, voor de droging werden aan de zónes voor luchttoevoeronder het droogrooster op instelbare wijze rookgas ofvoorverwarmde lucht toegevoerd.A DE boiler 913 885 A1 discloses a boiler firing device for firing moist fuels, which is provided with a firing grate and a device supplied for pre-drying the fuels. In this known heating device, the heating grate is extended towards the fuel supply and serves as the drying grate for the moist fuel for the heating room, flue gas or pre-heated air are adjustablely fed to the air supply zones under the drying grate for drying.
Uit de publicatie DE 3 913 886 Al is een werkwijze tervermindering van de emissies en het optimaliseren van hetstookbedrijf bij een roosterstookbedrijf door recirculatie van derookgassen bekend, waarbij die rookgassen op gedoseerde wijzeworden toegevoerd aan de voorste luchttoevoerzönes onder hetrooster en/of aan de hoofdluchtzóne en/of aan de achtersteluchttoevoerzónes onder het rooster.From the publication DE 3 913 886 A1 a method is known for reducing the emissions and optimizing the combustion operation at a grate combustion operation by recirculating the flue gases, wherein those flue gases are supplied in a dosed manner to the front air supply zones under the grate and / or to the main air zone and / or to the rear air supply zones under the grille.
Nadelig is bij de bekende installaties de lange en derhalvezeer omslachtige weg die het rookgas van het koude einde van deketel tot aan het rooster moet afleggen.A disadvantage in the known installations is the long and therefore very cumbersome route which the flue gas must travel from the cold end of the boiler to the grate.
Doel van de uitvinding is nu een ketelstookinrichting voorde verbranding van afvalmateriaal, in het bijzonder vochtigafvalmateriaal, welke inrichting van eenvoudige, qua kostengunstige constructie is en aan de eisen voor een aan schadelijkestoffen arme verbranding van het vochtige afvalmateriaal voldoet.The object of the invention is now a boiler firing device for the combustion of waste material, in particular moist waste material, which device is of simple, cost-effective construction and meets the requirements for a low combustion of the moist waste material.
Dit overeenkomstig de uitvinding aan de orde gesteldeprobleem wordt volgens de uitvinding opgelost door deonderscheidend kenmerkende maatregelen van conclusie 1.Alternatieve, nadere uitwerking van de uitvinding staat vermeldin de volgconclusie.This problem raised in accordance with the invention is solved according to the invention by the distinguishing features of claim 1. Alternative, further elaboration of the invention is stated in the subclause.
Door de volgens de uitvinding voorgestelde maatregelenworden de volgende voordelen bereikt:The following advantages are achieved by the measures proposed according to the invention:
De uitstoot, in het bijzonder van dioxinen, furanen, CO, ΝΟχen Cx Hy wordt verminderd.The emissions, in particular of dioxins, furans, CO, and Cx Hy are reduced.
De constructie is eenvoudig en uit kostenoogpunt derhalvegunstig.The construction is simple and therefore cost-effective.
De kompakte uitvoering is geschikt voor het veranderen vande uitrusting van reeds aanwezige ketelinstallaties metroosterinrichtingen.The compact design is suitable for changing the equipment of existing boiler installations and subway systems.
De uitvinding zal in de onderstaande beschrijving aan dehand van de tekening nog nader worden toegelicht.The invention will be explained in more detail below with reference to the drawing.
In de tekening is schematisch een stookinrichting voor eenvuilverbrandingsketel weergegeven.The drawing schematically shows a combustion device for a waste-burning boiler.
Het, aan het afvalmateriaal-toevoerrooster 3 via deglijplaat toegevoerde afvalmateriaal 1 wordt doorstroomd door dehete rookgassen welke door het rookgasblaastoestel 18 uit deverbrandingsruimte 6 zijn aangezogen en daardoor gedroogd; een enander vindt plaats voor de verbranding op het verbrandingsrooster4. Hierdoor kan de emissie van dioxinen, furanen, CO en Cx Hygering worden gehouden. Het terugleiden van de rookgassen doorhet rookgasblaastoestel 18, de rookgasleiding 19 en de rookgasdwarsleidingen 20, 21, 22, 23 en de bijmengsels daarbijmet de verse lucht in de verse lucht-dwarsleidingen 11, 12, 13, 14 is, door dienovereenkosmtige instelling van de regel-respectievelijk afsluitorganen 15, 24 van de optimale rookgas-/lucht-verhouding in de afzonderlijke luchttoevoerzönes 4a, 4b,4c, 4d onder het verbrandingsrooster 4, voor een ΝΟχ-armeverbranding onbezwaarlijk mogelijk. Aangezien de hete drogings-dampen gedwongen door de heetste verbrandingszóne stromen, wordende daarin aanwezige zwelingsgassen en schadelijke stoffen(vluchtige koolwaterstofverbindingen enz.) verbrand.The waste material 1 supplied to the waste material supply grate 3 via the slide plate is flowed through by the hot flue gases which are drawn in from the combustion space 6 by the flue gas blower 18 and are thereby dried; another takes place before combustion on the combustion grate 4. This allows the emission of dioxins, furans, CO and Cx Hygering to be kept. The return of the flue gases through the flue gas blower 18, the flue gas pipe 19 and the flue gas cross pipes 20, 21, 22, 23 and the admixtures thereto with the fresh air in the fresh air cross pipes 11, 12, 13, 14 is, by corresponding adjustment of the rule -respectively shut-off members 15, 24 of the optimum flue gas / air ratio in the separate air supply zones 4a, 4b, 4c, 4d below the combustion grate 4, for a arm-arm combustion unimpeachably possible. Since the hot drying vapors are forced through the hottest combustion zone, the swelling gases and harmful substances (volatile hydrocarbons, etc.) contained therein are burned.
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19924226632 DE4226632C1 (en) | 1992-08-12 | 1992-08-12 | Boiler furnace for combustion of wet refuse - has combustion grate behind refuse feed grate with air and flue gas feed respectively |
DE4226632 | 1992-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL9301336A true NL9301336A (en) | 1994-03-01 |
Family
ID=6465360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL9301336A NL9301336A (en) | 1992-08-12 | 1993-07-30 | Boiler combustion device for burning, in particular moist, waste material. |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE4226632C1 (en) |
ES (1) | ES2071581B1 (en) |
LU (1) | LU88388A1 (en) |
NL (1) | NL9301336A (en) |
PT (1) | PT101327B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4402172C2 (en) * | 1994-01-26 | 2000-09-28 | Steinmueller Gmbh L & C | Process for combusting fuel and plant for carrying out the process |
DE4442136C2 (en) * | 1994-11-26 | 1997-10-02 | Hoelter Heinz | Process for the combustion of fossil fuel and waste |
DE19937524A1 (en) | 1999-08-03 | 2001-02-15 | Harald Martin | Method and device for removing waste products and waste materials |
DE102012107974B3 (en) * | 2012-08-29 | 2014-02-27 | M-S Consulting und Beteiligungs GmbH | Furnace for woody lumpable biomass fuels |
US10309648B2 (en) | 2016-11-22 | 2019-06-04 | General Electric Company | System and method for active cooling of a grate bar for an incinerator of a waste-to-energy plant |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4091748A (en) * | 1976-12-03 | 1978-05-30 | Mansfield Carbon Products, Inc. | Method and apparatus for producing gas from solid municipal waste |
FR2514865B1 (en) * | 1981-10-15 | 1985-12-06 | Philippe Jacques | PROCESS OF INCINERATION OF DIVIDED MATERIALS AND INSTALLATION FOR APPLYING THE PROCESS |
US4876972A (en) * | 1987-01-21 | 1989-10-31 | Louis Mrklas | Grate bar element for a sliding grate furnace for garbage incineration |
US5044288A (en) * | 1988-12-01 | 1991-09-03 | Barlow James L | Method and apparatus for the efficient combustion of a mass fuel |
DE3913886A1 (en) * | 1989-04-27 | 1990-10-31 | Omnical Gmbh | Control of nitrous oxide in boiler flue gases - by control of flow rate of recirculated flue gases to minimise formation of nitrous oxide before discharge into atmosphere |
DE3913885A1 (en) * | 1989-04-27 | 1990-10-31 | Omnical Gmbh | Boiler with provision for burning wet fuel - has extended hearth which forms part of drying chamber, with fuel dried by forced draught of recirculated flue gas |
-
1992
- 1992-08-12 DE DE19924226632 patent/DE4226632C1/en not_active Expired - Fee Related
-
1993
- 1993-07-30 LU LU88388A patent/LU88388A1/en unknown
- 1993-07-30 PT PT10132793A patent/PT101327B/en not_active IP Right Cessation
- 1993-07-30 NL NL9301336A patent/NL9301336A/en active Search and Examination
- 1993-08-12 ES ES9301788A patent/ES2071581B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE4226632C1 (en) | 1993-07-22 |
ES2071581R (en) | 1997-11-16 |
PT101327A (en) | 1994-07-29 |
PT101327B (en) | 1999-11-30 |
LU88388A1 (en) | 1994-04-01 |
ES2071581B1 (en) | 1998-06-16 |
ES2071581A2 (en) | 1995-06-16 |
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Free format text: ALSTOM ENERGY SYSTEMS GMBH |
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