EP0593749B1 - Verfahren zur regelung der müllmenge bzw. der müllschicht auf verbrennungsrosten - Google Patents
Verfahren zur regelung der müllmenge bzw. der müllschicht auf verbrennungsrosten Download PDFInfo
- Publication number
- EP0593749B1 EP0593749B1 EP93911732A EP93911732A EP0593749B1 EP 0593749 B1 EP0593749 B1 EP 0593749B1 EP 93911732 A EP93911732 A EP 93911732A EP 93911732 A EP93911732 A EP 93911732A EP 0593749 B1 EP0593749 B1 EP 0593749B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grate
- waste
- amount
- hydraulic pressure
- grating
- 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
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
- F23G5/50—Control or safety arrangements
-
- 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
- F23G2207/00—Control
- F23G2207/10—Arrangement of sensing devices
- F23G2207/102—Arrangement of sensing devices for pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/10—Arrangement of sensing devices
- F23G2207/114—Arrangement of sensing devices for combustion bed level
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/20—Waste supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2900/00—Special features of, or arrangements for incinerators
- F23G2900/55—Controlling; Monitoring or measuring
- F23G2900/55009—Controlling stoker grate speed or vibrations for waste movement
Definitions
- the invention relates to a method for controlling the amount of waste or the layer of waste on combustion grates of waste incineration plants.
- the fire grate described in DE 24 46 724 C 3 can be regarded as an example of a combustion grate of a waste incineration plant. This consists of several grate zones, each of which comprises movable and fixed grate bars that overlap like roof tiles, the movable grate bars of one zone being hydraulically pulled back and pushed forward in order to move the firing material through the furnace and thereby to rearrange it. To ensure that the fired goods are transported evenly, all grate bars are moved at essentially the same speed.
- the invention is not limited to combustion grates according to DE 24 46 724 C 3.
- the most important task of the furnace is to achieve as complete a burnout as possible of the flue gases as well as of the solids - flying dust and slag.
- waste combustion systems tend to overload or underload the gratings when there are strong fluctuations in the calorific value. If, for example, the refuse calorific value drops due to an increased proportion of wet or low-fuel (inert) material, the heat released and the amount of steam generated will also decrease.
- a firing capacity control that pursues the goal of constant steam production will then increase the loading of the firing with waste. However, this very often leads to the grate being overloaded and, instead of the desired temperature increase, a further drop in the combustion chamber temperatures taking place. Furthermore, the overload will lead to a "garbage mountain" on the grate, which moves through the furnace and ultimately leads to poor slag burnout.
- the object of the invention is to keep the amount of waste or waste layer approximately constant regardless of the calorific value on the incineration grate and to prevent overloading or underloading with the consequences mentioned.
- the technical problem of the invention is solved in that the loading of the grate and the speed of the grate are regulated as a function of the hydraulic pressure of the grate drive.
- the hydraulic pressure of the grate drive is a measure of the amount of waste lying on the grate. With a high level of waste and a correspondingly large amount of waste, a higher hydraulic pressure is required for the grate drive than with a small amount of waste. This effect is used for measurement and control purposes.
- the feed is increased. If the pressure and correspondingly the amount of waste increases above a certain maximum value, the feed is reduced. In this way, overloading or underloading of the grate is reliably prevented.
- a change in the speed of a grate zone or grate bars means that the number of strokes per unit of time is changed, which actually also changes the speed of movement of the individual bars. If the measurements of the hydraulic pressure for driving the rods during their lifting movement pushing the garbage show that this pressure drops, the fuel layer on this part of the grate also decreases. In order to obtain a uniform layer, the number of strokes of at least the preceding part of the grate and, if appropriate, also the feed via the loading device or a feed slide are increased by suitable control devices until the pressure lies between the desired values.
- the pressure and its limit values required for regulation can be set for the individual grate zones in order to optimally adapt the system to the type of material to be fired.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4215997A DE4215997C2 (de) | 1992-05-13 | 1992-05-13 | Verfahren zur Regelung der Müllmenge bzw. der Müllschicht auf Verbrennungsrosten |
DE4215997 | 1992-05-13 | ||
PCT/DE1993/000400 WO1993023707A1 (de) | 1992-05-13 | 1993-05-07 | Verfahren zur regelung der müllmenge bzw. der müllschicht auf verbrennungsrosten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0593749A1 EP0593749A1 (de) | 1994-04-27 |
EP0593749B1 true EP0593749B1 (de) | 1996-01-31 |
Family
ID=6458908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93911732A Expired - Lifetime EP0593749B1 (de) | 1992-05-13 | 1993-05-07 | Verfahren zur regelung der müllmenge bzw. der müllschicht auf verbrennungsrosten |
Country Status (9)
Country | Link |
---|---|
US (1) | US5398623A (und) |
EP (1) | EP0593749B1 (und) |
JP (1) | JPH06508918A (und) |
KR (1) | KR940701527A (und) |
CA (1) | CA2112740C (und) |
DE (2) | DE4215997C2 (und) |
ES (1) | ES2082646T3 (und) |
TW (1) | TW225580B (und) |
WO (1) | WO1993023707A1 (und) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4344906C2 (de) * | 1993-12-29 | 1997-04-24 | Martin Umwelt & Energietech | Verfahren zum Regeln einzelner oder sämtlicher die Verbrennung auf einem Feuerungsrost beeinflussender Faktoren |
DE4445954A1 (de) * | 1994-12-22 | 1996-06-27 | Abb Management Ag | Verfahren zur Verbrennung von Abfällen |
AU6299096A (en) * | 1995-06-27 | 1997-01-30 | Volund Ecology Systems A/S | Arrangement with an infeed grate in an incineration plant, especially a waste-incineration plant, and method of using said arrangement |
US5730072A (en) * | 1995-10-17 | 1998-03-24 | Advanced Envirotech Systems, Inc. | Method and system for continuous rapid incineration of solid waste in an oxygen-rich environment |
US6055915A (en) * | 1997-04-04 | 2000-05-02 | Bickell; Roy A. | Wood residue disposal system |
DE19820038C2 (de) * | 1998-05-05 | 2000-03-23 | Martin Umwelt & Energietech | Verfahren zum Regeln der Feuerleistung von Verbrennungsanlagen |
ES2265927T3 (es) | 2000-04-21 | 2007-03-01 | Keppel Seghers Holdings Pte Ltd | Un proceso de incineracion de material solido combustible. |
CH694823A5 (de) * | 2000-12-08 | 2005-07-29 | Von Roll Umwelttechnik Ag | Verfahren zum Betreiben einer Müllverbrennungsanlage. |
US6622645B2 (en) * | 2001-06-15 | 2003-09-23 | Honeywell International Inc. | Combustion optimization with inferential sensor |
US7017500B2 (en) * | 2004-03-30 | 2006-03-28 | International Paper Company | Monitoring of fuel on a grate fired boiler |
DE102005032518B4 (de) * | 2005-07-12 | 2017-10-19 | Thyssenkrupp Industrial Solutions Ag | Verfahren und Vorrichtung zum Kühlen von Schüttgut |
US20070266914A1 (en) * | 2006-05-18 | 2007-11-22 | Graham Robert G | Method for gasifying solid organic materials and apparatus therefor |
US8381690B2 (en) * | 2007-12-17 | 2013-02-26 | International Paper Company | Controlling cooling flow in a sootblower based on lance tube temperature |
WO2010019877A2 (en) * | 2008-08-15 | 2010-02-18 | Wayne/Scott Fetzer Company | Biomass fuel furnace system and related methods |
DE102010031981A1 (de) * | 2010-07-22 | 2012-01-26 | Rolf Lais | Müllverbrennungsanlage und Verfahren zum Betreiben einer solchen |
DE202010015553U1 (de) * | 2010-11-16 | 2012-03-01 | Robert Bosch Gmbh | Heizkessel |
US9541282B2 (en) | 2014-03-10 | 2017-01-10 | International Paper Company | Boiler system controlling fuel to a furnace based on temperature of a structure in a superheater section |
US9927231B2 (en) * | 2014-07-25 | 2018-03-27 | Integrated Test & Measurement (ITM), LLC | System and methods for detecting, monitoring, and removing deposits on boiler heat exchanger surfaces using vibrational analysis |
CN106662418B (zh) | 2014-07-25 | 2019-08-09 | 国际纸业公司 | 确定锅炉热传递表面上的结垢位置的系统和方法 |
CN108954341B (zh) * | 2018-06-13 | 2020-06-16 | 光大环境科技(中国)有限公司 | 一种焚烧炉给料炉排控制系统和焚烧炉给料炉排控制方法 |
KR102137190B1 (ko) * | 2018-06-15 | 2020-07-24 | 엘지전자 주식회사 | 안내 로봇 |
CN116518376B (zh) * | 2023-06-14 | 2024-01-09 | 广州环投从化环保能源有限公司 | 固体存量垃圾的低排处理方法、装置、设备及存储介质 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH567230A5 (und) * | 1973-10-08 | 1975-09-30 | Kuenstler Hans | |
JPS51127579A (en) * | 1975-04-26 | 1976-11-06 | Hitachi Zosen Corp | Garbage incinerator and method for control thereof |
JPS5236874A (en) * | 1975-09-19 | 1977-03-22 | Hitachi Ltd | Control system and device for trash incinerator |
JPS5512368A (en) * | 1978-07-12 | 1980-01-28 | Mitsubishi Heavy Ind Ltd | Method of controlling waste incinerator |
JPS5535873A (en) * | 1978-09-05 | 1980-03-13 | Kubota Ltd | Method of controlling operation of incinerator |
JPS5546359A (en) * | 1978-09-29 | 1980-04-01 | Nippon Kokan Kk <Nkk> | Incineration control method for city waste incineration |
JPS55155108A (en) * | 1979-05-21 | 1980-12-03 | Takuma Co Ltd | Automatic control of stoker speed at garbage furnace |
US4385567A (en) * | 1980-10-24 | 1983-05-31 | Solid Fuels, Inc. | Solid fuel conversion system |
DE3871729D1 (de) * | 1987-10-24 | 1992-07-09 | Mindermann Kurt Henry | Verfahren zum steuern der verbrennung von brennstoff mit stark schwankendem heizwert. |
DE4028486A1 (de) * | 1990-09-09 | 1992-05-27 | Mindermann Kurt Henry | Verfahren zur steuerung oder regelung eines prozessablaufs fuer ein schuettgut, insbesondere muell |
US5280756A (en) * | 1992-02-04 | 1994-01-25 | Stone & Webster Engineering Corp. | NOx Emissions advisor and automation system |
-
1992
- 1992-05-13 DE DE4215997A patent/DE4215997C2/de not_active Expired - Fee Related
-
1993
- 1993-05-07 JP JP5519760A patent/JPH06508918A/ja active Pending
- 1993-05-07 KR KR1019930704081A patent/KR940701527A/ko not_active Application Discontinuation
- 1993-05-07 DE DE59301548T patent/DE59301548D1/de not_active Expired - Fee Related
- 1993-05-07 ES ES93911732T patent/ES2082646T3/es not_active Expired - Lifetime
- 1993-05-07 CA CA002112740A patent/CA2112740C/en not_active Expired - Fee Related
- 1993-05-07 WO PCT/DE1993/000400 patent/WO1993023707A1/de active IP Right Grant
- 1993-05-07 EP EP93911732A patent/EP0593749B1/de not_active Expired - Lifetime
- 1993-06-16 TW TW082104820A patent/TW225580B/zh active
-
1994
- 1994-01-13 US US08/180,910 patent/US5398623A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0593749A1 (de) | 1994-04-27 |
ES2082646T3 (es) | 1996-03-16 |
WO1993023707A1 (de) | 1993-11-25 |
KR940701527A (ko) | 1994-05-28 |
JPH06508918A (ja) | 1994-10-06 |
CA2112740A1 (en) | 1993-11-25 |
DE4215997A1 (de) | 1993-11-18 |
TW225580B (und) | 1994-06-11 |
CA2112740C (en) | 1999-09-14 |
DE4215997C2 (de) | 1995-09-07 |
US5398623A (en) | 1995-03-21 |
DE59301548D1 (de) | 1996-03-14 |
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