JP2012157835A - 下水汚泥の乾燥ガス化装置 - Google Patents
下水汚泥の乾燥ガス化装置 Download PDFInfo
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- JP2012157835A JP2012157835A JP2011020334A JP2011020334A JP2012157835A JP 2012157835 A JP2012157835 A JP 2012157835A JP 2011020334 A JP2011020334 A JP 2011020334A JP 2011020334 A JP2011020334 A JP 2011020334A JP 2012157835 A JP2012157835 A JP 2012157835A
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- 239000010802 sludge Substances 0.000 title claims abstract description 36
- 238000001035 drying Methods 0.000 claims abstract description 98
- 239000010801 sewage sludge Substances 0.000 claims abstract description 79
- 238000001599 direct drying Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 238000002309 gasification Methods 0.000 claims description 37
- 238000011084 recovery Methods 0.000 claims description 15
- 238000010248 power generation Methods 0.000 claims description 3
- 229910052571 earthenware Inorganic materials 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 15
- 238000002485 combustion reaction Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 43
- 238000005192 partition Methods 0.000 description 15
- 239000000567 combustion gas Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000007670 refining Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- -1 and in particular Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- 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
- Y02E20/12—Heat utilisation in combustion or incineration of waste
-
- 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
- Y02E20/14—Combined heat and power generation [CHP]
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Landscapes
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
【解決手段】下水汚泥の流通を許容する乾燥空間が形成されて該下水汚泥を減水して乾燥汚泥とする乾燥装置Aと、該乾燥装置から乾燥汚泥を受けてこれを自燃させてガス化させるガス化炉装置Bとを有する下水汚泥の乾燥ガス化装置において、ガス化炉装置Bからの可燃ガスを燃焼した排ガスを受けてこれと熱媒体としての水蒸気との熱交換により該水蒸気を加熱して過熱水蒸気とする熱交換器Eと、該過熱水蒸気を該熱交換器Eと乾燥装置Aとの間で循環せしめる循環管路5とを有し、乾燥装置Aは乾燥空間内で下水汚泥と水蒸気とが直接接触する直接乾燥装置を有し、上記循環管路5が熱交換後過熱水蒸気を上記直接乾燥装置の乾燥空間へ放出するよう接続されており、下水汚泥と接触後の過熱水蒸気を再び熱交換器へ帰還せしめる。
【選択図】図1
Description
A 乾燥装置
A1 直接乾燥装置
A2 間接乾燥装置
B ガス化炉装置
D 熱エネルギー回収装置(ガスエンジン発電機)
E 熱交換器
Claims (5)
- 下水汚泥の流通を許容する乾燥空間が形成されて該下水汚泥を該乾燥空間内の流通中に減水して乾燥汚泥として排出する乾燥装置と、該乾燥装置から乾燥汚泥を受けてこれを自燃させてガス化させるガス化炉装置とを有する下水汚泥の乾燥ガス化装置において、ガス化炉装置からの可燃ガスを燃焼した排ガスを受けてこれと熱媒体としての水蒸気との熱交換により該水蒸気を加熱して過熱水蒸気とする熱交換器と、該過熱水蒸気を該熱交換器と乾燥装置との間で循環せしめる循環管路とを有し、乾燥装置は乾燥空間内で下水汚泥と水蒸気とが直接接触する直接乾燥装置を有し、上記循環管路が熱交換後の過熱水蒸気を上記直接乾燥装置の乾燥空間へ放出するよう接続されており、下水汚泥と接触後の過熱水蒸気を再び熱交換器へ帰還せしめるようになっていることを特徴とする下水汚泥の乾燥ガス化装置。
- ガス化炉装置と熱交換器との間に熱エネルギー回収装置が設けられていて、熱エネルギー回収装置がガス化炉装置からの可燃ガスを受けてその熱エネルギーを回収し、熱エネルギー回収後の排ガスが熱交換器で熱媒体としての水蒸気と熱交換を行なうこととする請求項1に記載の下水汚泥の乾燥ガス化装置。
- 熱エネルギー回収装置は、ガス化炉装置からの可燃ガスを受けて該可燃ガスにより駆動されるガスエンジン発電機であり、発電後の排ガスが熱交換器へもたらされることとする請求項2に記載の下水汚泥の乾燥ガス化装置。
- 乾燥装置は、直接乾燥装置に加え、間接乾燥装置をも有し、該間接乾燥装置は、循環管路から分岐管を経て熱交換後の高温な水蒸気の一部を受けて該水蒸気と外部からの上水とを熱交換して該上水から高温な上水水蒸気を生成する蒸発缶と接続されており、該上水水蒸気が該間接乾燥装置内の下水汚泥を間接的に加熱することとする請求項1に記載の下水汚泥の乾燥ガス化装置。
- 乾燥装置は、直接乾燥装置と間接乾燥装置とが並列に設置されていて、互いに別個に下水汚泥を受けてこれを減水して乾燥汚泥とした後に、それぞれの乾燥汚泥を合流してガス化炉装置へ供給するように該ガス化炉装置に接続されていることとする請求項4に記載の下水汚泥の乾燥ガス化装置。
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JP2015223542A (ja) * | 2014-05-27 | 2015-12-14 | 株式会社チサキ | 原料加熱処理方法及び装置 |
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CN109928598B (zh) * | 2019-03-28 | 2020-12-18 | 北京科技大学 | 基于空气介质循环的污泥深度干化方法及*** |
CN110918610B (zh) * | 2019-12-09 | 2021-05-04 | 中城绿建科技有限公司 | 循环利用裂解可燃气发电余热进行生物干化曝气的方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5889998A (ja) * | 1981-11-26 | 1983-05-28 | Tsukishima Kikai Co Ltd | 汚泥の処理方法 |
JPS58136973A (ja) * | 1982-02-08 | 1983-08-15 | 荏原インフイルコ株式会社 | 含水物の処理方法 |
JPS6384699A (ja) * | 1986-09-26 | 1988-04-15 | Jgc Corp | 汚泥の乾燥装置 |
JPH09174031A (ja) * | 1995-12-27 | 1997-07-08 | Hiroshima Gas Kaihatsu Kk | 含水有機廃棄物の処理方法及びその装置 |
JPH11138133A (ja) * | 1997-11-12 | 1999-05-25 | Hiroshima Gas Kaihatsu Kk | 含水有機廃棄物の炭化処理方法及びその装置 |
JP2001321749A (ja) * | 2000-05-18 | 2001-11-20 | Nkk Corp | 有機性汚泥の処理方法 |
JP2002310419A (ja) * | 2001-04-12 | 2002-10-23 | Meidensha Corp | 消化ガスを使用したガス機関発電施設による熱分解処理施設 |
JP2003145116A (ja) * | 2001-11-08 | 2003-05-20 | Mitsui Eng & Shipbuild Co Ltd | 高含水廃棄物の処理装置 |
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- 2011-02-02 JP JP2011020334A patent/JP5734001B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5889998A (ja) * | 1981-11-26 | 1983-05-28 | Tsukishima Kikai Co Ltd | 汚泥の処理方法 |
JPS58136973A (ja) * | 1982-02-08 | 1983-08-15 | 荏原インフイルコ株式会社 | 含水物の処理方法 |
JPS6384699A (ja) * | 1986-09-26 | 1988-04-15 | Jgc Corp | 汚泥の乾燥装置 |
JPH09174031A (ja) * | 1995-12-27 | 1997-07-08 | Hiroshima Gas Kaihatsu Kk | 含水有機廃棄物の処理方法及びその装置 |
JPH11138133A (ja) * | 1997-11-12 | 1999-05-25 | Hiroshima Gas Kaihatsu Kk | 含水有機廃棄物の炭化処理方法及びその装置 |
JP2001321749A (ja) * | 2000-05-18 | 2001-11-20 | Nkk Corp | 有機性汚泥の処理方法 |
JP2002310419A (ja) * | 2001-04-12 | 2002-10-23 | Meidensha Corp | 消化ガスを使用したガス機関発電施設による熱分解処理施設 |
JP2003145116A (ja) * | 2001-11-08 | 2003-05-20 | Mitsui Eng & Shipbuild Co Ltd | 高含水廃棄物の処理装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015223542A (ja) * | 2014-05-27 | 2015-12-14 | 株式会社チサキ | 原料加熱処理方法及び装置 |
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