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WO2008038992A1 - Appareil de thermodécomposition de déchets industriels déposés et procédé de décomposition correspondant - Google Patents

Appareil de thermodécomposition de déchets industriels déposés et procédé de décomposition correspondant Download PDF

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Publication number
WO2008038992A1
WO2008038992A1 PCT/KR2007/004694 KR2007004694W WO2008038992A1 WO 2008038992 A1 WO2008038992 A1 WO 2008038992A1 KR 2007004694 W KR2007004694 W KR 2007004694W WO 2008038992 A1 WO2008038992 A1 WO 2008038992A1
Authority
WO
WIPO (PCT)
Prior art keywords
incineration
waste
residual sludge
furnace
pyrolysis
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.)
Ceased
Application number
PCT/KR2007/004694
Other languages
English (en)
Inventor
Gil Hyun Ahn
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN2007800357479A priority Critical patent/CN101516536B/zh
Publication of WO2008038992A1 publication Critical patent/WO2008038992A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • 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
    • F23G5/0273—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using indirect heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/20—Agglomeration, binding or encapsulation of solid waste
    • 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
    • F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • 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
    • F23G5/46—Recuperation of heat
    • 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
    • F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/30—Pyrolysing
    • F23G2201/301—Treating pyrogases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
    • F23G2203/60—Mobile furnace

Definitions

  • the present invention relates to a waste incineration apparatus, and more particularly, to a waste incineration apparatus, which is constructed by integrating a waste incineration furnace for pyrolyzing organic waste and a dust collector.
  • conventional organic waste incineration apparatus was classified into a method of direct combusting type incineration, in which organic waste was incinerated by direct combustion with flames from the combustion device, and a method of indirect combustion type incineration, in which a heating chamber or a heating drum was heated to high temperature with combustion heat from a combustion device so that organic waste charged into the heating chamber or the heating drum could be indirectly heated thereby being incinerated.
  • the incineration apparatus for treating waste such as a pyrolysis treatment apparatus has discharged harmful gas to the outside thereby contaminating human bodies and the circumferential environment. It becomes a big issue to incinerate waste in addition to post-treat harmful gas produced from the incineration because the discharge gas contains materials such as dioxin or PFC (a total term of perfluoro compound such as CF4, C2F6, SF6, NF3, C3F8, and the like), which effects to the warming of the earth.
  • dioxin or PFC a total term of perfluoro compound such as CF4, C2F6, SF6, NF3, C3F8, and the like
  • a waste incineration system constructed of a pyrolysis device and a device for treating harmful gas produced during the pyrolysis in a Korean Patent Laid Open Publication No. 2006-25065 filed by Auto MIT.
  • the system is characterized by exchanging the combustion method into a plasma combustion method, in the conventional waste treating system comprising a pyrolysis furnace for primarily pyrolyzing waste; a mixing furnace for mixing gas produced during the pyrolysis furnace with air; a combustion furnace incinerating the mixed gas secondarily; a dust collection device for collecting dust of the gas and the waste incinerated secondarily in the combustion furnace; a cleaner for cleaning the gas collected in the dust collection device; and a neutralization device for treating harmful gas among the gas passed through the cleaning device, and the like.
  • the present invention has been made to solve such conventional problems, and an object of the present invention is to provide a novel pyrolysis incineration apparatus, which is constructed by integrating a combustion facility and a dust collection facility.
  • Another object of the present invention is to provide a novel pyrolysis incineration apparatus, which is provided with a dust collection facility capable of collecting dust by using waste heat produced from the combustion of the waste.
  • Still another object of the present invention is to provide a novel pyrolysis incineration method, in which decomposition gas and waste gas could be collected with water vapor produced by using waste heat, which was produced from the combustion of the waste.
  • the present invention provides a stackable integral type pyrolysis incineration apparatus, which comprises: an incineration furnace for incinerating waste; a combustion furnace disposed under the incineration furnace for heating the incineration furnace; and a residual sludge tank disposed above the incineration furnace for producing water vapor with waste heat of the lower incineration furnace to collect gas produced from the incineration furnace to thereby form residual sludge.
  • the residual sludge tank further has a condensation assistant agent contained therein.
  • condensation assistant agent a well known condensation assistant agent may be used as the condensation assistant agent, and there is no special limitation thereto.
  • the residual sludge tank is supplied with industrial citric acid soda, rice hulls ash, lees of raw rice wine, saw dust, foods garbage, or a mixture thereof so as to produce activated residual sludge.
  • the residual sludge tank may be constructed of a multistage structure for collecting the discharged gas more completely.
  • the incineration furnace is provided with stones or gravels at a bottom surface thereof so that heat can be easily transmitted to the inside of the waste combusted in the incineration furnace.
  • the combustion furnace may be heated by electricity or flame.
  • the combustion furnace may be a gas combustion device, which heats the bottom of the incineration furnace directly by flame.
  • the bottom surface of the incineration furnace can be made of material having a good thermal conductivity, preferably, iron, so that the heat from the combustion furnace can be easily transmitted to the incineration furnace.
  • the upper surface of the incineration furnace can be made of material having a good thermal conductivity, preferably, iron, so that the heat from the combustion furnace can be easily transmitted.
  • the bottom surface of the residual sludge tank may be made of material having a good thermal conductivity, preferably, iron, so that the heat from the lower combustion furnace can be easily transmitted to the residual sludge tank.
  • connection piping is provided between the incineration furnace and the residual sludge tank so that the gas produced from the incineration furnace can be introduced into the residual sludge tank.
  • connection piping may be a piping having a pipe shape connecting the side of the incineration furnace to the side of the residual sludge tank.
  • the incineration furnace may be provided with an air inlet opening for supplying air into the waste heap.
  • the air introduced through the air inlet opening oxidizes the waste and blows off ashes remaining after the decomposition, thereby defining the connection piping to the residual sludge tank.
  • the present invention also provides a method of treating waste in a pyrolysis incineration manner, which comprises the steps of: heating the waste indirectly in an incineration furnace to thereby pyrolyze the waste; producing water vapor in a residual sludge tank by using heat produced from the incineration furnace; and collecting the waste gas produced from pyrolysis by using the water vapor.
  • the pyrolysis is carried out by the contact of the waste with the heated incineration furnace.
  • the pyrolysis may be carried out together with the air introduced from the outside, then ashes decomposed by the air and the heat are floated and introduced into the residual sludge tank.
  • the step of producing the water vapor in the residual sludge tank is accomplished by heating the water by the heat transmitted from the incineration furnace, the heat being transmitted to the residual sludge through the bottom surface thereof, which is stacked on the lower incineration furnace and contacted with the upper portion of the incineration furnace, and heating and boiling the water in the residual sludge tank.
  • the step of collecting waste gas by using the water vapor is carried out by the entrapment of the waste gas passing through the upper portion of the residual sludge tank with the water vapor, dropped into the water and collected.
  • the water contains condensation assistant agent to produce activated sludge after collecting the waste gas, and the citric acid soda to neutralize the activated sludge.
  • a waste pyrolysis incineration apparatus in which residual sludge can be obtained by effectively collecting the waste gas by using the water vapor, and it is possible to install the apparatus at a narrow place because it is embodied integrally, and the waste heat for use in the combustion can be effectively used thereby being devised to economize the energy.
  • FIG. 1 is a cross-sectional view of an integral type waste treating apparatus according to the present invention.
  • FIG. 2 is a side view of the integral type waste treating apparatus according to the present invention.
  • FIG. 3 is cross-sectional view of the integral type waste treating apparatus according to another embodiment of the present invention. Mode for the Invention
  • the stackable integral type pyrolysis incineration apparatus which can incinerate and collect dust in an integral apparatus, comprises: an incineration furnace 10 for incinerating waste; a combustion furnace 20 disposed under the incineration furnace 10 for heating the incineration furnace 10; and a residual sludge tank 30 disposed above the incineration furnace 10 for producing water vapor with waste heat of the lower incineration furnace 10 to collect gas produced from the incineration furnace 10 to thereby form residual sludge.
  • the stackable integral type pyrolysis incineration apparatus is constructed of a combustion furnace 10, an incineration furnace 20, and a residual sludge tank 30 sequentially disposed to a cylindrical body 100, which is divided into three layers by means of partitions, and the apparatus is supported by a supporting member 51, which is movable by installing wheels 52 and can be fixed to the ground by installing a fixation device 53.
  • the combustion furnace 10 is provided with a gas combustion device 11 for heating the incineration furnace 20, and the gas combustion device 11 is constructed by disposing gas pipes 12 by a predetermined interval, which is provided with a plurality of gas ignition nozzles 13.
  • the gas combustion device 11 is connected to an outer gas supply device (not shown) via a gas valve 14 connected to the lower end of the combustion furnace 10.
  • an opening hole 15 is formed at a side wall of the combustion furnace 10 for observing the inside and igniting the gas nozzle 13.
  • a ceiling of the combustion furnace 10, which is a bottom surface 28 of the incineration furnace 20 is constructed of an iron plate so that it can be easily heated by flame.
  • the incineration furnace 20 is where the waste is thermal-decomposed and incinerated, in which gravels 21 are disposed at a portion of the bottom for supporting the waste 26, and a plurality of air nozzles 23 is installed at the upper end to inject air to the thermal-decomposed waste 26. Compressed air is supplied to the air nozzle 23 via an air valve 27 disposed at one side wall of the incineration furnace 20 thereby injecting the air to the waste.
  • the incineration furnace 20 is provided at the side wall with at least one connection piping 27, for example, two connection pipings at the left and right sides, for connecting to the residual sludge tank 30. Gases produced during the pyrolysis of the waste 26, the compressed air injected from the air nozzle 23, and the waste dusts are discharged from the incineration furnace 20 through the connection piping 24 and entered into the residual sludge tank 30.
  • the connection piping 24 is provided with a piping valve 25 so that it can be closed and opened, if required, and the connection piping 24 is connected to the outside at the side and then to the side wall of the residual sludge tank 30 so that it can be operated conveniently at the outside.
  • connection piping 24 is disposed at the upper end of the sidewall of the incineration furnace 20 so that it can use the ascending air flow formed by heating. Also, the connection piping 24 is connected through the sidewall to the upper end of the residual sludge tank 30 so that the water 36 filled in the residual sludge tank 30 cannot flow into the incineration furnace 20 by way of the connection piping 24.
  • the residual sludge tank 30 is filled with water so that residual sludge can be formed by entrapping the combustion gas, air, waste dust, soot, and the like with water vapor, flowed into the residual sludge tank 30 through the connection piping 24.
  • condensation assistant agent is supplied into the water 36 filled in the residual sludge tank 30 so that residual sludge can be formed by the collected air, the waste dust, the soot, and the combustion gas, and the like.
  • the condensation assistant agent is chemicals added to increase the condensation effect, and can be selected from a sodium carbonate, a limestone, a quicklime, slaked lime, a sodium hydroxide, an activated silica, an alginic acid soda, a CMC, and the like, which can be commercially used.
  • industrial citric acid soda, or soda, and the like can be further added to maintain the neutralized pH.
  • various materials such as rice hulls ash, lees of raw rice wine, saw dust, and foods can be added to produce activated residual sludge in addition to the condensation assistant agent, and pH adjustment agent.
  • the water vapor for entrapping the combustion gas, the air, the waste dust, the soot, and the like can be produced by the boiling of the water filled in the residual sludge tank 30.
  • the water can be boiled by the heat transmitted to the bottom surface 38 of the residual sludge tank 30, which is the ceiling of the incineration furnace 20.
  • a water gauge 35 is provided at a side of the residual sludge tank 30 for observing the level of water at the inside of the residual sludge tank 30, a discharge opening 36 is provided at the upper surface, and a charging opening 37 is provided at the upper surface to complement water and additives.
  • Glass holes 17 ' , 21 ', 31 are formed respectively at side walls of the combustion furnace 10, the incineration furnace 20, and the residual sludge tank 30, and temperature gauges have been fixed to monitor the inside temperature.
  • the stackable integral type pyrolysis incineration apparatus operates as follows.
  • Oxygen can be supplied after opening the air valve to increase the speed of the decomposition during the progression of the pyrolysis, and the air is supplied sufficiently so that it can arrive at a space formed between the gravels 21 and the inside of the stacked waste.
  • the combustion gas introduced into the residual sludge tank 30 through the connection piping 24 is entrapped and condensed by the water vapor formed by the boiling of the water, and collected at the residual sludge tank, and the collected combustion gas, and the like is collected by the condensation assistant agent and the like supplied to the water thereby forming the residual sludge.
  • the residual sludge tank can be constructed in two stages, and an additional connection piping for connecting a side of a lower residual sludge tank 60 and an upper residual sludge tank 70, so that harmful gases produced from the incineration furnace can be entrapped more completely.
  • additional heat emitting device can be provided to boil the water.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Gasification And Melting Of Waste (AREA)

Abstract

L'invention concerne un appareil d'incinération par pyrolyse intégré à empilement comprenant : un four d'incinération conçu pour incinérer des déchets; un four de combustion conçu pour chauffer le four d'incinération; et un réservoir à boues résiduelles qui est disposé au-dessus du four d'incinération pour produire de la vapeur d'eau avec la chaleur des déchets provenant du four d'incinération situé en dessous afin de récupérer les gaz produits par le four d'incinération et ainsi former les boues résiduelles. Cette invention se rapporte en outre à un procédé pour traiter les déchets, consistant : à chauffer les déchets indirectement dans un four d'incinération par pyrolyse; à produire de la vapeur d'eau dans un réservoir à boues résiduelles au moyen de la chaleur produite par le four d'incinération; et à récupérer les gaz produits pendant la pyrolyse des déchets effectuée avec la vapeur d'eau.
PCT/KR2007/004694 2006-09-26 2007-09-21 Appareil de thermodécomposition de déchets industriels déposés et procédé de décomposition correspondant Ceased WO2008038992A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007800357479A CN101516536B (zh) 2006-09-26 2007-09-21 堆积工业废物的热分解设备以及利用该设备的分解方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2006-0093506 2006-09-26
KR1020060093506A KR100684585B1 (ko) 2006-09-26 2006-09-26 일체형 폐기물 열분해 장치 및 이를 이용한 폐기물처리방법

Publications (1)

Publication Number Publication Date
WO2008038992A1 true WO2008038992A1 (fr) 2008-04-03

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Country Status (3)

Country Link
KR (1) KR100684585B1 (fr)
CN (1) CN101516536B (fr)
WO (1) WO2008038992A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115735829A (zh) * 2022-11-09 2023-03-07 大连理工大学 一种基于物质循环的水生生物培养装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101218181B1 (ko) 2012-03-30 2013-01-03 조영빈 유기폐기물 열분해 처리장치
CN112759213A (zh) * 2021-03-03 2021-05-07 博仕燊环保科技(广州)有限公司 一种立式内循环序批式热解设备及用于污泥处理的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5342421A (en) * 1990-03-14 1994-08-30 Wayne Technology, Inc. Pyrolytic gas treatment system
JPH1054521A (ja) * 1996-08-14 1998-02-24 Mitsui Eng & Shipbuild Co Ltd 廃棄物処理装置における排ガス処理方法及び装置
JP2002205044A (ja) * 2001-01-09 2002-07-23 Takuma Co Ltd 廃棄物処理プラント
JP2002248452A (ja) * 2001-02-22 2002-09-03 Yoshio Kobayashi 環境に優しいごみの資源化方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100636844B1 (ko) * 2004-09-15 2006-10-19 (주)오토엠아이티 열분해 처리장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5342421A (en) * 1990-03-14 1994-08-30 Wayne Technology, Inc. Pyrolytic gas treatment system
JPH1054521A (ja) * 1996-08-14 1998-02-24 Mitsui Eng & Shipbuild Co Ltd 廃棄物処理装置における排ガス処理方法及び装置
JP2002205044A (ja) * 2001-01-09 2002-07-23 Takuma Co Ltd 廃棄物処理プラント
JP2002248452A (ja) * 2001-02-22 2002-09-03 Yoshio Kobayashi 環境に優しいごみの資源化方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115735829A (zh) * 2022-11-09 2023-03-07 大连理工大学 一种基于物质循环的水生生物培养装置
CN115735829B (zh) * 2022-11-09 2024-06-07 大连理工大学 一种基于物质循环的水生生物培养装置

Also Published As

Publication number Publication date
KR100684585B1 (ko) 2007-02-22
CN101516536A (zh) 2009-08-26
CN101516536B (zh) 2012-07-18

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