EP2716970B1 - Procédé de fusion de déchets - Google Patents

Procédé de fusion de déchets Download PDF

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Publication number
EP2716970B1
EP2716970B1 EP12789883.1A EP12789883A EP2716970B1 EP 2716970 B1 EP2716970 B1 EP 2716970B1 EP 12789883 A EP12789883 A EP 12789883A EP 2716970 B1 EP2716970 B1 EP 2716970B1
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EP
European Patent Office
Prior art keywords
waste
biomass
molded article
melting
furnace
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.)
Active
Application number
EP12789883.1A
Other languages
German (de)
English (en)
Other versions
EP2716970A1 (fr
EP2716970A4 (fr
Inventor
Takashi Nakayama
Takeshi Uchiyama
Hajime Akiyama
Tomohiro Yoshida
Tamio Ida
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.)
JFE Engineering Corp
Kinki University
Original Assignee
JFE Engineering Corp
Kinki University
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Publication date
Application filed by JFE Engineering Corp, Kinki University filed Critical JFE Engineering Corp
Publication of EP2716970A1 publication Critical patent/EP2716970A1/fr
Publication of EP2716970A4 publication Critical patent/EP2716970A4/fr
Application granted granted Critical
Publication of EP2716970B1 publication Critical patent/EP2716970B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F23G5/24—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, combustion chamber
    • 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
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • 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
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
    • 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
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • 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
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
    • F23G5/165—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber arranged at a different level
    • 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
    • F23G2202/00—Combustion
    • F23G2202/20—Combustion to temperatures melting waste

Definitions

  • the functions of the furnace body with a vertical and cylindrical shape are basically divided into three regions along the vertical direction from the viewpoint of function.
  • a high temperature combustion zone having a coke bed in which the coke is deposited
  • a waste layer is formed
  • a freeboard section having a large space is provided.
  • the present invention can provide a method of waste melting treatment with which, upon making a melting treatment of waste in a shaft furnace type melting furnace, coal coke and a biomass molded article are charged, and therefore, in the furnace, a high temperature fire grate is formed by the coal coke, whereby, in the state in which the combustion gas rising and passing through the high temperature fire grate and the melt falling and flowing through the same are well maintained, the melting heat source can be secured with a minimum quantity of coal coke required for forming a high temperature fire grate and the biomass molded article supplementing the coal coke; the quantity consumed of coal coke can be reduced to cut the carbon dioxide emission amount with the cost for operating the waste melting furnace being reduced; in addition, the combustion heat of the volatile components possessed by the biomass raw material can be effectively utilized, and a more stable operation can be carried out.
  • the internal space of the gassification melting furnace 1 is basically divided into three regions along the vertical direction; from bottom, the three regions providing a lower shaft section I, which is formed in the lower section of the furnace, a middle shaft section II, which is located above the lower shaft section I, and a freeboard section III, which is formed in the upper section.
  • These sections I, II, and III are regions having the following functions, respectively.
  • the lower section shaft section I is a region where the coal coke and biomass molded article deposited are burned to form a high temperature combustion zone;
  • the middle shaft section II is a region where the waste in the waste layer, which is formed by the deposition of the waste charged onto the high temperature combustion zone, is thermally decomposed;
  • the freeboard section III is a region where the combustible gas generated is partially burned.
  • the biomass molded article By performing molding under the above-mentioned heating and pressure conditions, the biomass molded article can be provided with a surface which is extremely dense and free from pores.
  • a biomass molded article produced as a prismatic body one side of which has a length of 50 mm or longer, or a cylindrical body having a diameter of 50 mm or larger and a length of 50 mm or longer, and having a surface which is extremely dense and free from pores the biomass molded article, after having been charged into the melting furnace, can reach the lower section of the furnace, while the volatile components being suppressed from being thermally decomposed and burned in the furnace, the combustion heat of the volatile components possessed by the biomass raw material can be effectively utilized as a melting heat source.
  • gasified melting treatment of the waste is performed in the following manner.
  • the waste, the coal coke and biomass molded article, and the lime stone from the supply apparatus are charged into the furnace by a prescribed quantity, respectively, through the charging port 2 provided in the upper section of the gassification melting furnace 1, and from the main tuyere 5, the sub-tuyere 6, and the third-level tuyere 7, oxygen rich air or air is blown into the furnace, respectively.
  • the combustible gas generated by the pyrolysis is burned in the freeboard section III with the air blown from the third-level tuyere, being maintained at a temperature of 850 °C or higher, and after being subjected to a treatment for decomposing the harmful gas and the tar component, is fed to the secondary combustion chamber provided outside the furnace, the heat of the combustion gas being recovered by the boiler.
  • the coal coke falls to the lower shaft section I; the biomass molded article falls to the lower section shaft section I, while the volatile components being suppressed from being thermally decomposed and burned on the way of falling, as a result, a high temperature combustion zone is formed, the coal coke and biomass molded article being burned; the pyrolysis residue which has been produced as a result of thermal decomposition of the waste in the waste layer in the middle shaft section II falls and reaches the lower section shaft section I, where a high temperature combustion zone is formed, the coal coke and biomass molded article being burned; and in the lower section shaft section I, the volatile components in the biomass molded article, and the fixed carbon in the coal coke and biomass molded article are burned, the noncombustibles being melted to be changed into molten slag and molten metal.
  • the molten slag and the molten metal are discharged from the residue discharge port 4 to be fed to a water granulating apparatus provided outside of the furnace, and cooled and solidified, the cooled and solidified water granulated slag and the water granulated metal being recovered.
  • the noncombustibles and ash of the waste are sufficiently melted by the quantity of heat obtained by the combustion of the coal coke and biomass molded article, thereby molten slag and molten metal being produced.
  • the molten slag and the molten metal well fall and pass through the above-mentioned voids of the high temperature fire grate, reaching the residue discharge port 4.
  • the coal coke forming a high temperature fire grate provides a function which assures passing of gas and liquid through the high temperature fire grate, by creating voids between lumps of coke, on the basis of its inherent lumpy geometry, and a function which serves as a heat source for melting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Gasification And Melting Of Waste (AREA)

Claims (2)

  1. Procédé de traitement de déchets par fusion
    effectué en chargeant des déchets dans un four de fusion de déchets, en décomposant thermiquement et en brûlant les déchets, et en faisant fondre un résidu de combustion pyrolytique,
    comprenant les étapes suivantes consistant à :
    - charger du coke de houille et un article moulé de biomasse produit en chauffant une matière première de biomasse à une température inférieure à sa température de carbonisation, tout en la moulant sous pression, l'article moulé de biomasse étant un article moulé contenant des composants volatils à raison de 50 % en poids ou plus et est un corps prismatique dont une face a une longueur de 50 mm ou plus ou un corps cylindrique ayant un diamètre de 50 mm ou plus et une longueur de 50 mm ou plus ;
    - former une grille de foyer à haute température avec le coke de houille dans une section inférieure du four de fusion ; et
    - brûler le coke de houille et l'article moulé de biomasse pour fournir une source de chaleur de fusion,
    dans lequel la quantité de coke de houille à charger dans le four est une quantité requise pour former une grille de foyer à haute température, la quantité de chaleur requise comme source de chaleur de fusion étant complétée par l'article moulé de biomasse.
  2. Procédé selon la revendication 1,
    dans lequel l'article moulé de biomasse est un article moulé produit en chauffant une matière première de biomasse à une température de 115 °C à 230 °C tout en la moulant sous pression.
EP12789883.1A 2011-05-23 2012-05-23 Procédé de fusion de déchets Active EP2716970B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011114446 2011-05-23
PCT/JP2012/063116 WO2012161203A1 (fr) 2011-05-23 2012-05-23 Procédé de fusion de déchets

Publications (3)

Publication Number Publication Date
EP2716970A1 EP2716970A1 (fr) 2014-04-09
EP2716970A4 EP2716970A4 (fr) 2014-11-05
EP2716970B1 true EP2716970B1 (fr) 2019-02-06

Family

ID=47217279

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12789883.1A Active EP2716970B1 (fr) 2011-05-23 2012-05-23 Procédé de fusion de déchets

Country Status (7)

Country Link
US (1) US20140202364A1 (fr)
EP (1) EP2716970B1 (fr)
JP (1) JP5458219B2 (fr)
CN (1) CN103765102B (fr)
AU (1) AU2012259853B2 (fr)
MX (1) MX2013013639A (fr)
WO (1) WO2012161203A1 (fr)

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* Cited by examiner, † Cited by third party
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JP6066809B2 (ja) * 2013-04-10 2017-01-25 三菱重工環境・化学エンジニアリング株式会社 バイオマス熱分解装置、及び発電システム
JP6100097B2 (ja) * 2013-05-29 2017-03-22 Ｊｆｅエンジニアリング株式会社 廃棄物溶融処理方法
JP6168287B2 (ja) * 2013-06-04 2017-07-26 Ｊｆｅエンジニアリング株式会社 廃棄物溶融処理方法
CN104279569A (zh) * 2014-04-26 2015-01-14 梁长安 垃圾架式脱水碳化气化焚烧炉
CN105090974A (zh) * 2015-09-08 2015-11-25 广西秀美壮乡能源环保有限公司 一种焚烧炉
CN105090977A (zh) * 2015-09-08 2015-11-25 广西秀美壮乡能源环保有限公司 一种焚烧炉
CN105090975A (zh) * 2015-09-08 2015-11-25 广西秀美壮乡能源环保有限公司 一种焚烧炉
CN105885884A (zh) * 2016-04-21 2016-08-24 北京神雾环境能源科技集团股份有限公司 有机垃圾热解系统及其应用
US20190208805A1 (en) * 2016-07-01 2019-07-11 Firmenich Sa Preparation of solid capsules comprising flavours
CN106642139A (zh) * 2017-02-20 2017-05-10 长沙超梵环境科技有限公司 生活垃圾热解气化飞灰直接熔融装置及其使用方法
CN109628151A (zh) * 2018-11-02 2019-04-16 中国石油大学(华东) 煤焦粉y型气流床清洁高效气化多联产工艺
JP2021105492A (ja) * 2019-12-26 2021-07-26 日本電極株式会社 炭素質粒体の熱処理装置及びその方法

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JP3309657B2 (ja) 1995-08-22 2002-07-29 日本鋼管株式会社 廃棄物ガス化溶融炉
JP3901984B2 (ja) * 2001-10-25 2007-04-04 日揮株式会社 バイオマス水スラリー及びその製造方法
JP3760228B2 (ja) * 2002-01-23 2006-03-29 独立行政法人産業技術総合研究所 高発熱量炭化物の製造法
JP2004347257A (ja) * 2003-05-23 2004-12-09 Jfe Holdings Inc ガス化溶融炉の操業方法
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Also Published As

Publication number Publication date
JPWO2012161203A1 (ja) 2014-07-31
MX2013013639A (es) 2014-07-09
EP2716970A1 (fr) 2014-04-09
CN103765102A (zh) 2014-04-30
AU2012259853A1 (en) 2013-11-14
US20140202364A1 (en) 2014-07-24
EP2716970A4 (fr) 2014-11-05
JP5458219B2 (ja) 2014-04-02
CN103765102B (zh) 2015-04-15
WO2012161203A1 (fr) 2012-11-29
AU2012259853B2 (en) 2016-05-12

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