WO2006000128A1 - Procede et systeme pour cendre d'incineration de dechets - Google Patents

Procede et systeme pour cendre d'incineration de dechets Download PDF

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Publication number
WO2006000128A1
WO2006000128A1 PCT/CN2004/000812 CN2004000812W WO2006000128A1 WO 2006000128 A1 WO2006000128 A1 WO 2006000128A1 CN 2004000812 W CN2004000812 W CN 2004000812W WO 2006000128 A1 WO2006000128 A1 WO 2006000128A1
Authority
WO
WIPO (PCT)
Prior art keywords
garbage
ceramsite
ash
conveyor belt
waste
Prior art date
Application number
PCT/CN2004/000812
Other languages
English (en)
Chinese (zh)
Inventor
Weitian Zhang
Original Assignee
Weitian Zhang
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 Weitian Zhang filed Critical Weitian Zhang
Publication of WO2006000128A1 publication Critical patent/WO2006000128A1/fr

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/70—Blending
    • F23G2201/702—Blending with other waste
    • 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
    • F23G2900/50206—Pelletising waste before combustion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

Definitions

  • the invention relates to a waste incineration ash treatment process and system, which can perform non-toxic and harmless curing treatment on the residue after waste incineration, and can realize commercialization of waste ash.
  • the landfill method means that the fly ash is sent to the safe landfill for direct landfill after simple treatment at the site.
  • the shortcoming of safe landfill is that the site construction cost is high and the waste incineration treatment plant is unbearable.
  • the disadvantages of the sintering method and the melting method are high energy consumption and high processing cost.
  • Each ton of waste incineration ash needs to consume about l lOOkWh. Therefore, there is a need to propose a waste incineration ash treatment process and system.
  • An object of the present invention is to provide a waste incineration ash treatment process and system which uses garbage as an energy source to incinerate harmful substances generated by waste incineration while being incinerated.
  • the invention relates to a waste incineration ash treatment process, characterized in that - a ceramsite slab is prepared by using glass powder, garbage ash and urban sludge as raw materials, and the spheroidal spheroid has a particle diameter of 10-30 mm;
  • the ceramsite blank and the waste material for incineration are jointly put into a garbage incinerator for incineration, or the ceramsite blank is separately placed in a garbage incinerator, and the ceramsite blank is sintered by using the garbage as a fuel.
  • the weight ratio of the ceramsite blank to the waste material is 1:5 to 1:10; the weight ratio of the ceramsite raw material is: glass powder 1-10, garbage ash 60-80, Urban sludge 10-30.
  • the invention relates to a waste incineration ash treatment system, which is characterized in that: there is a batch conveyor belt, and the conveyor belt is provided with a sieve ash storage bin, a coal powder bin, a algae soil bin, a dust ash bin, a sludge bin, and the conveying.
  • the output end of the belt is provided with a cylinder mixer, the output of the cylinder mixer is provided with a mixing conveyor belt, and the output end of the conveyor belt is provided with a disc pelletizer, the disc ball making machine
  • the output end of the machine is provided with a ceramsite blank conveyor belt, the output end of the conveyor belt is provided with a dryer, and the output end of the dryer is provided with a dryer a dry billet conveyor belt, the conveyor belt is connected with a ceramsite billet silo, and the ceramsite billet silo is connected to the garbage incinerator through a conveyor belt; the ceramsite is made of glass powder, garbage ash, and municipal sludge.
  • the slab is placed in a garbage incinerator together with the waste material for incineration, and the ceramsite is sintered by using the garbage as a fuel.
  • the invention has the following advantages:
  • the ceramsite blank of the present invention is mainly composed of ash from municipal sludge and waste incineration, and is burned into ceramsite which is not easily degraded and insoluble in water, and can effectively utilize urban sludge, garbage and sewage.
  • the invention uses the ceramsite blank and the garbage mixed burning method, and uses the garbage as the energy source to complete the sintering of the ceramsite without adding the fuel other than the garbage, which can greatly save the primary energy.
  • the sintered ceramsite is a high-quality water-retaining material in soilless cultivation and arid areas, the market prospect is broad, and therefore, the commercialization of garbage ash can be realized.
  • FIG. 1 Schematic diagram of the system of the present invention
  • FIG. 1 Schematic diagram of one embodiment of the system of the present invention
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the invention relates to a waste incineration ash treatment process, wherein the specific operation mode comprises: preparing a ceramsite blank by using glass powder, garbage ash and urban sludge as raw materials, and the diameter of the ceramsite blank is 10-30 mm;
  • the ash content mainly includes: ash collected by the dust collector on the exhaust pipe of the garbage incinerator, and ash under the slag separated from the slag of the garbage incinerator.
  • the municipal sludge refers to sludge discharged from an urban sewage treatment plant.
  • the weight ratio of the ceramsite blank material is: glass powder 1 to 10, garbage ash 60-80, urban sludge 10-30.
  • the ceramsite blank and the waste material for incineration are jointly put into a garbage incinerator for incineration, or the ceramsite blank is separately placed in a garbage incinerator, and the ceramsite blank is sintered by using the garbage as a fuel.
  • the weight ratio of the ceramsite blank to the waste material is 1:5 to 1:10.
  • the co-pending refers to feeding the two charge materials to the garbage incinerator through the conveyor belt.
  • the separate dispensing means that the ceramsite blank and the waste material enter the waste incinerator through their respective inlets.
  • the combustion temperature should be appropriately increased.
  • the specific measure is to add a part of the fuel material to the ceramsite blank.
  • the weight ratio of the raw material for manufacturing the ceramsite blank is: glass Powder 1-10, garbage ash 60-80, municipal sludge 10-30, coal powder 1-10.
  • Embodiment 2 :
  • a waste incineration ash treatment system has a batch conveyor belt 6, which is provided with a sieve ash bin 5, a pulverized coal bin 4, a terracotta warehouse 3, a dust ash bin 2, and a sewage.
  • the silo tank 1, the output end of the conveyor belt is provided with a cylinder mixer 7, the output of the cylinder mixer is provided with a mixing conveyor belt 8, and the output end of the conveyor belt is provided with a disc type a ball-making machine 9, the output end of the disc ball-making machine is provided with a ceramsite conveyor belt 10, the output end of the conveyor belt is provided with a dryer 1 1, and the output end of the dryer is provided with a a dry conveyor belt 12, which is connected to a ceramsite blank bin 13 which is connected to the waste incinerator 14 by a conveyor belt; in this embodiment, glass powder, garbage ash, city The sludge is used as a raw material to prepare a ceramsite blank, and the ceramsite blank and the waste material for incineration are jointly placed in a garbage incinerator, and the ceramsite blank is sintered by using the garbage as a fuel.
  • the dust removal ash component refers to the ash collected by the dust remover on the exhaust pipe of the garbage incinerator, and the ash is stored in the dust ash storage bin; the ash component under the sieve refers to the slag of the garbage incinerator The separated ash is separated, and the ash is stored in the ash bin under the sieve.
  • the sludge refers to sludge output from an urban sewage treatment plant, and the sludge is stored in a sludge tank.
  • a algae soil bin is provided, and an appropriate amount of algae is added to the raw material of the ceramsite blank through the algae soil bin.
  • the garbage incinerator may use a grate furnace, wherein the grate furnace mainly consists of a grate and a grate, and the garbage enters the furnace from the feeding device, and is dried, thermally decomposed, burned, and burned on the grate. Burnout process.
  • the method of treating ceramsite by waste incineration can be called sintering method or melting method.
  • the ceramsite slab is sintered at a high temperature of 600-1000 degrees to form a material with stable physicochemical properties, extremely high hardness, dioxins and heavy metals in garbage ash.
  • the harmful substances will be combined with the glass powder in a molten state to become a glass mineral phase.
  • the ceramsite has high stability, is a substance which is not easily degraded and does not dissolve in water, but can retain water and protect fertilizer.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • a ceramsite glazing process is added on the basis of the second embodiment.
  • the specific arrangement is to provide a glaze layer coating device 15 between the dryer and the ceramsite blank bin, the dry billet conveyor belt is connected to the glaze layer coating device, and the output end of the glaze layer coating device is passed
  • the hanging glaze conveyor belt is connected to a ceramsite blank bin.
  • the glaze coating device comprises a ceramsite zipper carrying a ceramsite blank through a liquid glaze tank, and the ceramsite blank is coated on the surface of the ceramsite blank when passing through the glaze tank After the glaze layer is sintered, the ceramsite blank forms a glazed ceramsite.
  • the ceramsite has better stability and insolubility, and the ceramsite zipper used in this embodiment is an ordinary squeegee. Zipper, not detailed here.
  • Embodiment 4 '
  • a continuous box type garbage incinerator 101 is used for waste incineration; the garbage incinerator has two upper and lower parallel rails 107, and a plurality of box type furnaces are arranged on the rail.
  • the box type furnace car is provided with a furnace at the bottom of the box body, and wheels are arranged on both sides of the box body;
  • the upper layer of the garbage incinerator is sequentially provided with a ceramsite distributor 102, a garbage cloth 103, a preheating device 104, and an ignition
  • the apparatus 106 is provided with a negative pressure header 109 in the middle layer of the garbage incinerator, and the top of the negative pressure header is connected with the bottom of the furnace, and the bottom of the vacuum header is connected with a plurality of tops of the negative pressure air ducts arranged side by side.
  • the middle of the negative pressure air duct is connected with a heat collecting header 1 10 , one end of the rail is provided with a lifting star wheel, and the other end of the rail is provided with a rollover star wheel, and the bottom of the rollover star wheel is equipped with a discharge hopper.
  • the bottom of the discharge hopper is provided with a crushing device;
  • the waste incinerator has a flue gas treatment pipeline 11 1 , and the pipeline is provided with an air heat exchanger 112, a dust remover 113, a flue gas blower 14 , an activated carbon adsorption tank 115, chimney 116;
  • a garbage storage bin 117 is connected to the garbage distributor through a garbage conveying line to continuously supply garbage to the garbage incinerator;
  • the air inlet end of the air heat exchanger is provided with a centrifugal fan 118, and the inlet of the centrifugal fan passes through the pipeline Communicating with a gas collecting hood of the outlet of the garbage silo;
  • the hot air output end of the air heat exchanger is connected to a preheating device on the waste incinerator through a hot air duct 19, the air heat exchanger
  • the hot air output is in communication with the dryer inlet through another hot air duct 120, the dryer outlet being in communication with the inlet of the centri

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing Of Solid Wastes (AREA)
  • Gasification And Melting Of Waste (AREA)

Abstract

L'invention concerne un procédé d'incinération de déchets et un système pour cendre d'incinération de déchets, le système se caractérisant par un transporteur à bande pour la distribution. La partie supérieure dudit transporteur à bande comprend un réservoir de cendre, un réservoir de cendre de houille, un réservoir de diatomite, un réservoir d'enlèvement de cendre et un réservoir de boue. L'extrémité de sortie du transporteur à bande de distribution est placée dans un mélangeur cylindrique, dans un transporteur de déchets, dans des machines de pellettisation discoïdes. L'extrémité de sortie desdites machines de pellettisation discoïdes est placée dans un transporteur de haydite, dans un séchoir, dans un transporteur à bande pour le transport du haydite séché. Le transporteur est relié au réservoir de haydite, lequel est relié à l'incinérateur par le transporteur à bande. La poussière de verre, la cendre et la boue, en tant que matière première, sont envoyées dans le haydite, ledit haydite et les déchets étant placés dans l'incinérateur, lequel incinère le haydite. Les déchets sont ensuite utilisés comme combustible.
PCT/CN2004/000812 2004-06-28 2004-07-15 Procede et systeme pour cendre d'incineration de dechets WO2006000128A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200410049771.6 2004-06-28
CNB2004100497716A CN100506404C (zh) 2004-06-28 2004-06-28 一种垃圾焚烧灰烬处理工艺及***

Publications (1)

Publication Number Publication Date
WO2006000128A1 true WO2006000128A1 (fr) 2006-01-05

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Country Status (2)

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CN (1) CN100506404C (fr)
WO (1) WO2006000128A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101342470B (zh) * 2008-08-19 2010-10-13 毛训亮 一种陶粒砂成球机
CN103159483A (zh) * 2011-12-14 2013-06-19 鞍钢股份有限公司 一种工业废渣陶粒及其制备方法
CN111747727A (zh) * 2020-07-30 2020-10-09 湖北中环信环保科技有限公司 一种含铜、镍固体危险废物烧结***及烧结工艺
CN114409425A (zh) * 2022-01-26 2022-04-29 河北工业大学 一种基于污泥的富孔高吸水率陶粒的制备方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101215149B (zh) * 2008-01-04 2010-04-21 北京工业大学 低温烧制污泥玻璃超轻陶粒的制备方法
CN103230924A (zh) * 2013-04-26 2013-08-07 广东生活环境无害化处理中心 一种低温熔融烧结处置飞灰的方法
CN104402403B (zh) * 2014-10-17 2016-01-20 天津城建大学 一种垃圾焚烧灰固化重金属高强陶粒的制备方法
CN104791826A (zh) * 2015-02-03 2015-07-22 航天长征化学工程股份有限公司 一种粉煤气化炉湿灰的再利用装置及方法
CN105036707B (zh) * 2015-07-23 2017-09-15 厦门大学 生活垃圾焚烧底灰制备建筑陶粒的方法
CN106673705A (zh) * 2017-02-13 2017-05-17 常州大学 一种垃圾焚烧飞灰和剩余污泥的处理技术
CN111282964B (zh) * 2020-03-03 2021-12-17 卢衍忠 一种处理垃圾用于陶粒砂制备装置

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JPS6121794A (ja) * 1984-07-10 1986-01-30 Nippon Jiryoku Senko Kk 製鋼スラグの利用方法
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JPH11189779A (ja) * 1997-12-26 1999-07-13 Kawasaki Heavy Ind Ltd 廃棄物の固形燃料化方法
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CN1103254C (zh) * 2000-09-18 2003-03-19 韩洪波 城市生活垃圾与污泥的消解处理法
CN1373107A (zh) * 2002-04-03 2002-10-09 贾守富 利用垃圾废渣生产陶粒的生产工艺及其生产设备

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JPS59172593A (ja) * 1982-12-18 1984-09-29 Tokai Nenken Kk 生ゴミ等の廃棄物からの燃料の製造方法およびその製造装置
JPS6121794A (ja) * 1984-07-10 1986-01-30 Nippon Jiryoku Senko Kk 製鋼スラグの利用方法
US4692167A (en) * 1985-02-13 1987-09-08 Omnium De Traitements Et De Valorisation (O.T.V.) Apparatus for processing solid wastes to produce a fuel
JPH11189779A (ja) * 1997-12-26 1999-07-13 Kawasaki Heavy Ind Ltd 廃棄物の固形燃料化方法
CN1282781A (zh) * 1999-07-29 2001-02-07 中国科学院广州能源研究所 一种污泥型煤的制备方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101342470B (zh) * 2008-08-19 2010-10-13 毛训亮 一种陶粒砂成球机
CN103159483A (zh) * 2011-12-14 2013-06-19 鞍钢股份有限公司 一种工业废渣陶粒及其制备方法
CN111747727A (zh) * 2020-07-30 2020-10-09 湖北中环信环保科技有限公司 一种含铜、镍固体危险废物烧结***及烧结工艺
CN111747727B (zh) * 2020-07-30 2023-12-12 湖北翔瑞环保有限公司 一种含铜、镍固体危险废物烧结***及烧结工艺
CN114409425A (zh) * 2022-01-26 2022-04-29 河北工业大学 一种基于污泥的富孔高吸水率陶粒的制备方法

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Publication number Publication date
CN1715234A (zh) 2006-01-04
CN100506404C (zh) 2009-07-01

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