JP3982763B2 - バイオマス資源を利用したメタン発酵装置 - Google Patents
バイオマス資源を利用したメタン発酵装置 Download PDFInfo
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- JP3982763B2 JP3982763B2 JP2004345529A JP2004345529A JP3982763B2 JP 3982763 B2 JP3982763 B2 JP 3982763B2 JP 2004345529 A JP2004345529 A JP 2004345529A JP 2004345529 A JP2004345529 A JP 2004345529A JP 3982763 B2 JP3982763 B2 JP 3982763B2
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- gas
- methane fermentation
- methane
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- biogas
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
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- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Description
図面は、生ゴミをメタン発酵させて得られたバイオガスをガス利用機器に供給する場合を示すものである。
図において、1は苛性ソーダ等のアルカリ供給用のタンク、2は生ゴミとアルカリと水を混合してスラリを製造する混合槽、3はスラリの供給ポンプ、4はメタン発酵槽、5は消化汚泥の循環ポンプ、6は脱硫装置、7はメタン発酵槽4で発生したバイオガスを貯蔵するガスホルダであり、このガスホルダ7からバイオガスを発電設備や燃料電池等のガス利用機器8に供給するよう構成されている。
なお、9はメタン発酵槽4の循環ラインに設けられた熱交換器であり、温水ボイラや吸収冷凍機等の熱源10を利用して消化汚泥の温度調整を行っている。
なお、閾値としては、バイオガス中の酸素濃度がメタンガスに対して5〜10%の範囲がバックファイヤ現象を生じる領域であるので、メタンガスに対して3%以下とすることが必要である。
ただし、樹脂製の球状サブホルダ7cは鉄製等のものに比べて亀裂等を発生しやすいため、そこから内部へ空気が侵入するケースが考えられる。この場合は、空気の混入量が多くバックファイヤによるガスライン等の破壊の可能性も高い。従って、本発明のような応答遅れのない確実な緊急遮断弁12の作動が不可欠であり、酸素濃度計11と緊急遮断弁12の組み合わせにより安定したバイオガスの供給が可能となる。
2 混合槽
3 供給ポンプ
4 メタン発酵槽
5 循環ポンプ
6 脱硫装置
7 ガスホルダ
7a ホルダ本体
7b 空気層
7c サブホルダ
8 ガス利用機器
9 熱交換器
10 熱源
11 酸素濃度計
12 緊急遮断弁
13 制御器
Claims (2)
- メタン発酵槽においてバイオマス資源をメタン発酵させて生じたバイオガスを貯蔵するガスホルダ後段のガス供給ラインに、酸素濃度計とこの酸素濃度計の測定値が閾値を超えた場合にガス供給ラインを遮断する緊急遮断弁を設けたバイオマス資源を利用したメタン発酵装置であって、前記酸素濃度計の測定値の閾値を、バイオガス中の酸素濃度がメタンガスに対し3%以下と設定してあることを特徴とするバイオマス資源を利用したメタン発酵装置。
- ガスホルダは、弾力性を有する二重膜構造の球状ホルダであり、内膜サブホルダと外膜の間に形成された空気層の圧力調整によりサブホルダに常時一定の圧力が作用するように構成されている請求項1に記載のバイオマス資源を利用したメタン発酵装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004345529A JP3982763B2 (ja) | 2004-11-30 | 2004-11-30 | バイオマス資源を利用したメタン発酵装置 |
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JP2004345529A JP3982763B2 (ja) | 2004-11-30 | 2004-11-30 | バイオマス資源を利用したメタン発酵装置 |
Publications (2)
Publication Number | Publication Date |
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JP2006150251A JP2006150251A (ja) | 2006-06-15 |
JP3982763B2 true JP3982763B2 (ja) | 2007-09-26 |
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JP2004345529A Active JP3982763B2 (ja) | 2004-11-30 | 2004-11-30 | バイオマス資源を利用したメタン発酵装置 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4947594B2 (ja) * | 2007-09-06 | 2012-06-06 | Jx日鉱日石エネルギー株式会社 | 桟橋設備、及び炭化水素回収システム |
JP2009114886A (ja) * | 2007-11-02 | 2009-05-28 | Yanmar Co Ltd | バイオガス発電システム及びバイオガス発電の制御方法 |
KR100908249B1 (ko) | 2009-01-28 | 2009-07-20 | (주)동아제전 | 유기성 폐기물 자원화 장치의 메탄 가스 압축을 위한 방폭 압축장치 |
KR100908237B1 (ko) | 2009-01-28 | 2009-07-20 | (주)동아제전 | 유기성 폐기물 자원화 장치의 메탄 가스 압축을 위한 방폭 압축장치 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55171323U (ja) * | 1979-05-25 | 1980-12-09 | ||
JP3064159B2 (ja) * | 1993-06-30 | 2000-07-12 | 東京瓦斯株式会社 | ガスメータ |
FR2766255B3 (fr) * | 1997-07-18 | 1999-09-17 | Tech Michel Brochier Sa | Dispositif de stockage pour gaz, notamment biogaz |
JP3706574B2 (ja) * | 2001-12-11 | 2005-10-12 | 独立行政法人農業・生物系特定産業技術研究機構 | 排水の脱窒処理方法及び処理装置 |
JP2003293860A (ja) * | 2002-04-05 | 2003-10-15 | Takuma Co Ltd | メタン発酵処理システムとメタン発酵処理方法 |
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