EP0205841B1 - Mobile thermische Nachverbrennungsanlage für ein verbrennbares Abgasgemisch - Google Patents

Mobile thermische Nachverbrennungsanlage für ein verbrennbares Abgasgemisch Download PDF

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Publication number
EP0205841B1
EP0205841B1 EP86106088A EP86106088A EP0205841B1 EP 0205841 B1 EP0205841 B1 EP 0205841B1 EP 86106088 A EP86106088 A EP 86106088A EP 86106088 A EP86106088 A EP 86106088A EP 0205841 B1 EP0205841 B1 EP 0205841B1
Authority
EP
European Patent Office
Prior art keywords
combustion chamber
waste gas
temperature combustion
gas mixture
mixing nozzle
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
Application number
EP86106088A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0205841A1 (de
Inventor
Wolf-Dieter Klein
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.)
Veba Oel Technologie und Automatisierung GmbH
Original Assignee
Veba Oel Technologie und Automatisierung GmbH
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 Veba Oel Technologie und Automatisierung GmbH filed Critical Veba Oel Technologie und Automatisierung GmbH
Priority to AT86106088T priority Critical patent/ATE45418T1/de
Publication of EP0205841A1 publication Critical patent/EP0205841A1/de
Application granted granted Critical
Publication of EP0205841B1 publication Critical patent/EP0205841B1/de
Expired legal-status Critical Current

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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
    • F23G5/32—Incineration of waste; Incinerator constructions; Details, accessories or control therefor the waste being subjected to a whirling movement, e.g. cyclonic incinerators
    • 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
    • F23G5/40—Portable or mobile incinerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
    • F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator

Definitions

  • the invention relates to a mobile thermal afterburning system for a combustible exhaust gas mixture of the type referred to in the preamble of claim 1.
  • a method for the joint combustion of different types of fluid fuels in two series-connected combustion chambers under the action of tangentially supplied air flows which are twisted in opposite directions has become known, for example, from SU-PS 1 079 954.
  • a plant for the combustion of combustible exhaust gases is known with a cylindrical housing, with a first combustion chamber arranged therein, into which fuel such as heating oil, natural gas or the like and combustion air are introduced, and with a lengthwise connection to the first combustion chamber second combustion chamber, furthermore with two annular cylindrical jacket spaces between the combustion chambers and the housing, one of which is charged tangentially with combustion air and the other tangentially with the exhaust gases to be burned, and from which the air or the exhaust gases are introduced into the combustion chambers through corresponding openings .
  • waste gases are compulsory at certain intervals, which arise during cleaning work before repairs such as stripping processes in columns, apparatuses and coolers, residual relaxation processes in plant parts and apparatuses, and regeneration processes, e.g. B. in the reprocessing of inactive catalysts.
  • these exhaust gases can be aliphatic or aromatic hydrocarbons, odor-intensive hydrogen sulfide compounds, odor-intensive nitrogen compounds and the like.
  • these exhaust gases can be aliphatic or aromatic hydrocarbons, odor-intensive hydrogen sulfide compounds, odor-intensive nitrogen compounds and the like.
  • Such exhaust gas mixtures contain one or more representatives from the group of aliphatic, saturated or unsaturated, or aromatic hydrocarbons, carbon monoxide, hydrogen, hydrogen sulfide, ammonia in addition to varying amounts of nitrogen, carbon dioxide, oxygen, argon, water vapor and, if appropriate, dust, soot particles or condensed liquid components .
  • the invention is also based on the object of designing a device of the generic type in such a way that the consumption of the additional energy to be used, such as heating oil, natural gas or the like, is kept as low as possible by recovering the heat of combustion and by conditioning the exhaust gases to be used.
  • the additional energy to be used such as heating oil, natural gas or the like
  • aerosol-forming constituents such as e.g. B. contain fine liquid droplets, mist or the like. These accompanying substances must first be converted into the gaseous state before they are converted into a thermal combustion, which leads to an increase in the required dwell time and the need for additional energy. This results in the task of first separating these companions and heating them up separately.
  • the aerosol-forming constituents are water, it is also expedient to separate this before the combustion chamber 4 is acted upon, as a result of which a largely pre-dried exhaust gas mixture reaches the combustion chamber 4.
  • the aerosol-forming constituents for example condensed liquid components, dust or soot particles
  • the aerosol-forming constituents can be separated off and passed into the combustion chamber 2 for heating and subsequent combustion in that scoop-shaped in the shell of the combustion chamber 2 Seen in the downstream direction, concave inflow elements 8 are provided in a specific arrangement distributed over the circumferential surface, which are connected to inflow nozzles 9 leading through the combustion chamber wall into the combustion chamber 2.
  • the exhaust gas contaminated with aerosols (liquid droplets or solids) is fed tangentially to the jacket space of combustion chamber 2.
  • the jacket space is the space between the combustion chamber 2 and an outer cylinder.
  • the exhaust gas moves in a spiral around combustion chamber 2 in the jacket space.
  • the aerosols are therefore driven towards the outer cylinder, depending on the diameter and their floating speed.
  • Separation plates which are referred to as inflow elements 8, are attached at right angles to the flow direction against the spiral flow of the gas. These inflow elements 8 are inclined against the direction of flow and are in several rows one behind the other, so that the gases are forcibly diverted. Aerosols that are carried in the gas stream are thus separated by the inflow elements 8 due to the gas deflection.
  • the inflow elements 8 separated from the exhaust gas mixture 16 by possibly arranged in the jacket space of the combustion chamber 2 in connection with inflow nozzles 9 leading into the combustion chamber 2 are introduced, vaporized and possibly also burned.
  • the remaining exhaust gas mixture which is optionally freed of swirl or other aerosol-forming components, is mixed with combustion air 15 preheated to 150 ° C. and swirled in opposite directions and introduced into the combustion chamber 4.
  • the temperature in the combustion chamber 4 is, for example, 850 ° C.
  • the flue gases 17 leaving the combustion chamber 4 are used for heat recovery by means of heat exchangers 11, 12 and 13 built into the chimney 5.
  • the cold exhaust gas 16 to be burned is brought to 700 ° C. by the flue gas; and the oil combustion air 14 warmed up to 180 ° C.
  • the flue gas cools down to, for example, 230 to 250 ° C.
  • the heat recovery system is designed, for example, as a heat exchanger tower i, which can be designed to be tiltable and at the same time is used as a chimney 5.
  • exhaust gases can be safely mixed with atmospheric oxygen at a high temperature level and fed to the combustion in the combustion chamber 4.
  • the preheated exhaust gas mixture is supplied to the mixing nozzle with a swirl flow through the annular inflow channel 6.
  • the preheated combustion air (additional air) is added through the annular inflow channel 7 with an opposite swirl. This results in intensive mixing and, depending on the speeds of the feed gases, the ignitable exhaust gas / additional air mixture enters the combustion chamber 4 under a high shear gradient.
  • the combustion chambers are expediently provided with a refractory lining 22.
  • the combustion chamber 2 is preferably operated at temperatures between 1200 and 2000 ° C, the combustion chamber 4 preferably at temperatures between 800 and 1400 ° C.
  • FIG. 3 shows a longitudinal section of the combustion chamber 2 with the inflow elements 8 arranged in the jacket space and the inflow nozzles 9 leading into the combustion chamber 2.
  • FIG. 4 the inflow elements 8 arranged above the jacket space with the inlet openings of the inflow nozzles 9 are shown as view “A”.
  • FIG. 5 shows in another view as section ce B "the inflow elements 8 and inflow nozzles 9 guiding the combustion chamber wall.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Incineration Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)
EP86106088A 1985-05-04 1986-05-03 Mobile thermische Nachverbrennungsanlage für ein verbrennbares Abgasgemisch Expired EP0205841B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86106088T ATE45418T1 (de) 1985-05-04 1986-05-03 Mobile thermische nachverbrennungsanlage fuer ein verbrennbares abgasgemisch.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853516085 DE3516085A1 (de) 1985-05-04 1985-05-04 Mobile thermische nachverbrennungsanlage fuer verbrennbare abgasgemische
DE3516085 1985-05-04

Publications (2)

Publication Number Publication Date
EP0205841A1 EP0205841A1 (de) 1986-12-30
EP0205841B1 true EP0205841B1 (de) 1989-08-09

Family

ID=6269848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86106088A Expired EP0205841B1 (de) 1985-05-04 1986-05-03 Mobile thermische Nachverbrennungsanlage für ein verbrennbares Abgasgemisch

Country Status (3)

Country Link
EP (1) EP0205841B1 (enrdf_load_stackoverflow)
AT (1) ATE45418T1 (enrdf_load_stackoverflow)
DE (2) DE3516085A1 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685450B1 (fr) * 1991-12-20 1996-10-04 Gaz De France Procede de traitement thermique de gaz quelconques et installation comportant application de ce procede.
DE9310892U1 (de) * 1993-07-21 1993-10-14 A E R Abfall-Energie-Rückgewinnungsanlagen GmbH, 25479 Ellerau Nachverbrennungsanlage mit Energie-Rückgewinnung
FR2758611B1 (fr) * 1997-01-17 1999-04-09 Pillard Chauffage Chambre de combustion d'air charge de particules combustibles
US6948929B2 (en) 2000-10-02 2005-09-27 Ebara Corporation Combustion type waste gas treatment system
DE102006006661B4 (de) * 2006-02-14 2007-12-27 Eisenmann Anlagenbau Gmbh & Co. Kg Nachverbrennungsanlage für ein Verbrennungsfluid mit einer Brennervorrichtung für flüssigen Brennstoff
CN108426242B (zh) * 2018-04-17 2023-11-10 上海四方锅炉集团工程成套股份有限公司 一种顺酐废气焚烧工艺及锅炉系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404173A1 (fr) * 1977-09-27 1979-04-20 Rhone Poulenc Ind Procede et dispositif de traitement thermique d'une phase gazeuse
SU1079954A1 (ru) * 1982-07-05 1984-03-15 Приморское Ордена "Знак Почета" Производственное Объединение "Бор" Им.50-Летия Ссср Способ совместного сжигани нескольких видов топлива

Also Published As

Publication number Publication date
DE3516085C2 (enrdf_load_stackoverflow) 1987-10-29
DE3664957D1 (en) 1989-09-14
EP0205841A1 (de) 1986-12-30
DE3516085A1 (de) 1986-11-06
ATE45418T1 (de) 1989-08-15

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