JP2012519064A - 汚泥を用いた炭化物製造設備 - Google Patents
汚泥を用いた炭化物製造設備 Download PDFInfo
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- 239000010802 sludge Substances 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 79
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- 238000003763 carbonization Methods 0.000 claims abstract description 26
- 239000002918 waste heat Substances 0.000 claims abstract description 11
- 238000010000 carbonizing Methods 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000779 smoke Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 abstract description 11
- 238000011084 recovery Methods 0.000 abstract description 7
- 238000001035 drying Methods 0.000 description 20
- 238000007602 hot air drying Methods 0.000 description 13
- 238000002485 combustion reaction Methods 0.000 description 10
- 239000000446 fuel Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000000465 moulding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/02—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion with stationary charge
- C10B47/16—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion with stationary charge with indirect heating means both inside and outside the retorts
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- 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
- F23G5/02—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
- F23G5/08—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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
- F23L7/002—Supplying water
- F23L7/005—Evaporated water; Steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/10—Drying by heat
-
- 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
- F23G2201/304—Burning pyrosolids
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Treatment Of Sludge (AREA)
- Incineration Of Waste (AREA)
- Coke Industry (AREA)
- Chimneys And Flues (AREA)
Abstract
【選択図】図2
Description
まず、図1および図2に示す汚泥を乾燥して成形器113、213および炭化炉114、214で行う工程までは同様であり、汚泥の乾燥に必要な熱量や炭化炉114、214から排気される排ガスの量も同様である。
直接加熱熱風乾燥(従来)の場合、直接的に汚泥に接触して水分を蒸発するために、乾燥器112における排ガスは、入口の排ガス+汚泥の蒸発水分となって18,148Nm3/hであり、間接加熱蒸気乾燥(本発明)の場合には、熱交換された蒸気はドレインとなって回収されるため、乾燥器212の排ガスは汚泥からの蒸発水分+漏れ空気量のみとなって5,802Nm3/hとなる。
直接加熱熱風乾燥(従来)の場合には、排ガス量(14,838Nm3/h、624℃)が多いため、そのまま再燃焼炉115において850℃で燃焼するためには多くの燃料が必要となる。このため、再燃焼炉115の出口の排ガスの一部と燃焼空気予熱器117で熱交換させて排ガスの温度を上げて燃料消耗量を減らす必要がある。
直接加熱熱風乾燥(従来)の場合、再燃焼炉115における排ガス量(14,838Nm3/h、624℃)は極めて多量であり、間接加熱蒸気乾燥(本発明)の場合、排ガス量(2,275Nm3/h、50℃)は温度が低いにも拘わらず少量であるため、再燃焼炉における所要燃料消耗量は大きく異なる。
直接加熱熱風乾燥(従来)の場合、再燃焼炉115からの排ガス量(23,641Nm3/h、850℃)は多量であり、間接加熱蒸気乾燥(本発明)の場合、再燃焼炉215からの排ガス量(9,446Nm3/h、850℃)は極めて少量である。
直接加熱熱風乾燥(従来)の場合には、一部の再燃焼炉115からの排ガスは850℃で汚泥乾燥に用いられ、残部はガス冷却塔116で温度を落として燃焼空気予熱器117に送られる。これは、ろ過式集塵器119の入口のガス温度を170〜180℃まで下げる必要があるためであるが、このプロセス温度の調節のためのガス冷却塔116における水噴霧が、排ガスの乾燥の場合に排ガス量を一層増やすこととなる。これに対し、間接加熱蒸気乾燥(本発明)の場合には、ガス冷却塔が不要な設備構造によって、排ガス量を少なく抑えることができる。
直接加熱熱風乾燥(従来)の場合、煙突からの排ガスは23,118Nm3/h(198℃)であり、間接加熱蒸気乾燥(本発明)の場合、煙突からの排ガスは10,093Nm3/h(167℃)である。
[表1]により、直接加熱熱風乾燥の場合には排ガス量も多く、水分の割合も高い排ガスとなり、間接加熱蒸気乾燥の場合には、ボイラーで排ガスを冷却することから、水分の割合が低い排ガスとなる。このため、後述するように、間接加熱蒸気乾燥の排ガスの方が、確然に白煙防止の適用範囲を広くすることができる。
213:成形器
214:炭化炉
215:再燃焼炉
216:廃熱ボイラー
217:凝縮器
218:白煙低減空気予熱器
219:ろ過式集塵器
220:洗浄式集塵器
Claims (2)
- 汚泥を廃熱ボイラーから帰還されて供給された高温蒸気によって加熱させて前記汚泥に含有されている水分を除去し、水分の除去された乾燥汚泥を、コンベヤーを介して炭化炉に供給する間接加熱蒸気乾燥器と、
前記乾燥汚泥を高温雰囲気下で炭化させる炭化炉と、
前記炭化炉で発生したガスを燃焼させる再燃焼炉と、
前記再燃焼炉で発生した熱を高温蒸気として前記間接加熱蒸気乾燥器に供給し、排ガスは排出する廃熱ボイラーと、
前記間接加熱蒸気乾燥器から排出される蒸気を凝縮して凝縮水は排出し、水蒸気は前記再燃焼炉に供給する凝縮器と、
を備える汚泥を用いた炭化物製造設備。 - 前記汚泥を用いた炭化物製造設備で発生する排ガスの処理は、白煙低減空気予熱器、ろ過式集塵器および洗浄式集塵器における3工程によって行われる請求項1に記載の汚泥を用いた炭化物製造設備。
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Application Number | Priority Date | Filing Date | Title |
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KR10-2009-0016678 | 2009-02-27 | ||
KR1020090016678A KR100908409B1 (ko) | 2009-02-27 | 2009-02-27 | 슬러지를 이용한 탄화물 제조설비 |
PCT/KR2010/001173 WO2010098590A2 (ko) | 2009-02-27 | 2010-02-25 | 슬러지를 이용한 탄화물 제조설비 |
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JP (1) | JP2012519064A (ja) |
KR (1) | KR100908409B1 (ja) |
CN (1) | CN102333730A (ja) |
WO (1) | WO2010098590A2 (ja) |
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JP5438146B2 (ja) * | 2012-01-31 | 2014-03-12 | 月島機械株式会社 | 加圧流動炉システム |
KR102405860B1 (ko) * | 2018-01-18 | 2022-06-07 | 카와사키 주코교 카부시키 카이샤 | 슬러지의 처리 방법 및 시멘트 제조 시스템 |
CN110748899A (zh) * | 2019-11-27 | 2020-02-04 | 中国华能集团清洁能源技术研究院有限公司 | 一种考虑余热利用的燃煤耦合污泥干化焚烧系统和方法 |
CN111533128A (zh) * | 2020-05-15 | 2020-08-14 | 中天超容科技有限公司 | 一种超级电容器用活性炭的制备装置及其制备方法 |
CN114163099A (zh) * | 2021-11-29 | 2022-03-11 | 上海发电设备成套设计研究院有限责任公司 | 一种耦合式污泥干化系统 |
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JP2006207960A (ja) * | 2005-01-31 | 2006-08-10 | Ishikawajima Harima Heavy Ind Co Ltd | 高含水物処理装置及び方法 |
JP2008201964A (ja) * | 2007-02-21 | 2008-09-04 | Mitsubishi Heavy Ind Ltd | 固体燃料の製造方法及びシステム |
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JP2000084597A (ja) * | 1998-09-11 | 2000-03-28 | Toshiba Plant Kensetsu Co Ltd | 汚泥乾燥装置 |
JP2000317258A (ja) * | 1999-05-06 | 2000-11-21 | Ishikawajima Harima Heavy Ind Co Ltd | 排煙脱硫装置 |
KR100349218B1 (ko) * | 1999-10-26 | 2002-08-14 | 건민산업 주식회사 | 슬러지 건조 연료화 처리 방법 및 시스템 |
KR200218031Y1 (ko) * | 2000-10-13 | 2001-03-15 | 주식회사대한건설엔지니어링 | 가동 화격자식 다목적 쓰레기 소각처리장치 |
KR100482187B1 (ko) * | 2001-09-20 | 2005-04-13 | 니폰 조키 세야쿠 가부시키가이샤 | 유기폐기물의 탄화처리방법 및 장치 |
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- 2010-02-25 WO PCT/KR2010/001173 patent/WO2010098590A2/ko active Application Filing
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JP2006207960A (ja) * | 2005-01-31 | 2006-08-10 | Ishikawajima Harima Heavy Ind Co Ltd | 高含水物処理装置及び方法 |
JP2008201964A (ja) * | 2007-02-21 | 2008-09-04 | Mitsubishi Heavy Ind Ltd | 固体燃料の製造方法及びシステム |
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WO2010098590A2 (ko) | 2010-09-02 |
CN102333730A (zh) | 2012-01-25 |
KR100908409B1 (ko) | 2009-07-20 |
WO2010098590A3 (ko) | 2010-11-25 |
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