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    • 1. 发明专利
    • Fermentation liquid circulating methane fermentation method and apparatus
    • 发酵液循环甲烷发酵方法及装置
    • JP2012086157A
    • 2012-05-10
    • JP2010235139
    • 2010-10-20
    • Kajima CorpKyowa Exeo Corp株式会社協和エクシオ鹿島建設株式会社
    • TATARA MASAHIROMIYANO HIROSHIKIKUCHI SHIGERUMAEDA HITOSHIOKABE MOTONOBUMURAYAMA HIROSHIENDO TAKASHIHOSHI KAZUAKI
    • B09B3/00C02F1/40C02F11/04
    • Y02E50/343
    • PROBLEM TO BE SOLVED: To provide a method for stably keeping high efficient methane fermentation treatment for a long period of time.SOLUTION: Organic solid waste C containing lightweight foreign matter M is supplied into an anaerobic raw material tank 10 provided with a movable rake 60 and a screw conveyer 70 penetrating a peripheral wall at predetermined heights on the inside. The liquid level is kept at a predetermined height by feeding a fermentation solution S to the raw material tank 10, drawing out the fermentation solution S from a lower part and returning it to an upper side. The waste C supplied into the raw material tank 10 is dipped in the fermentation solution S for solubilization and circulated with the fermentation solution S and decomposed into biogas G. The lightweight foreign matter M floating on the surface of the liquid of the raw material tank 10 is collected to the screw conveyer 70 by the movement of the rake 60 and discharged. Preferably, the fermentation solution S stored in a fermentation tank 30 is continuously fed to the raw material tank 10, the fermentation solution S of the raw material tank 10 is continuously drawn out to be separated into solid and liquid. The separated filtrate D is transferred to the fermentation tank 30, and the solid content E is returned to the raw material tank 10 for circulation.
    • 要解决的问题:提供一种用于长时间稳定地保持高效甲烷发酵处理的方法。 解决方案:将含有轻质异物M的有机固体废物C供应到厌氧原料槽10中,该厌氧原料罐10设有可移动的耙条60和螺旋输送器70,该螺旋输送机70在内部以预定高度穿过周壁。 通过将原料罐10送入发酵液S,从下部取出发酵液S并将其返回到上侧,将液面保持在规定的高度。 供给到原料槽10中的废物C被浸渍在发酵液S中,用于溶解,并与发酵液S一起循环,并分解成沼气G.漂浮在原料槽10的液体表面上的轻质异物M 通过耙子60的运动被收集到螺旋输送器70并排出。 优选地,将存储在发酵罐30中的发酵液S连续地供给到原料罐10,将原料槽10的发酵液S连续抽出,分离成固体和液体。 将分离的滤液D转移到发酵罐30中,固体成分E返回原料槽10进行循环。 版权所有(C)2012,JPO&INPIT
    • 2. 发明专利
    • Organic wastewater treatment system and method
    • 有机废水处理系统及方法
    • JP2012005971A
    • 2012-01-12
    • JP2010144786
    • 2010-06-25
    • Kajima Corp鹿島建設株式会社
    • FUKUI HISATOMOTATARA MASAHIRO
    • C02F3/28C02F3/06C02F3/12C02F3/30
    • Y02E50/343Y02W10/15
    • PROBLEM TO BE SOLVED: To provide an organic wastewater treatment system high in purification treatment capability.SOLUTION: The wastewater treatment system A for purifying organic wastewater by using microorganisms circulates the organic wastewater in a substantially-sealed anaerobic circulation water passage 21, and comprises an anaerobic treatment unit 2 which ferments methane. The wastewater treatment system also comprises an aerobic treatment unit 3 which circulates anaerobic treatment water in an aerobic circulation water passage 31 while aerating it, and makes aerobic microorganisms decompose organic substances. By fermenting the methane in the circulation water passage, operation cost and construction cost can be reduced. Furthermore, by continuously performing anaerobic treatment (fixed-floor methane fermentation treatment) and aerobic treatment (treatment by a fixed-floor oxidation ditch method), the purification treatment capacity with respect to the organic wastewater can largely be improved.
    • 要解决的问题:提供高纯化处理能力的有机废水处理系统。 解决方案:通过使用微生物来净化有机废水的废水处理系统A将有机废水循环在基本密封的厌氧循环水通道21中,并且包括发酵甲烷的厌氧处理单元2。 废水处理系统还包括一个需氧处理装置3,它在通气的同时使厌氧循环水通道31中的厌氧处理水循环,并使需氧微生物分解有机物质。 通过在循环水通道中发酵甲烷,可以降低运行成本和施工成本。 此外,通过连续进行厌氧处理(固定层甲烷发酵处理)和需氧处理(固定地板氧化沟处理方法),可以大大提高有机废水的净化处理能力。 版权所有(C)2012,JPO&INPIT
    • 3. 发明专利
    • Dry type anaerobic digester
    • 干燥型厌氧消化器
    • JP2006255626A
    • 2006-09-28
    • JP2005078511
    • 2005-03-18
    • Kajima Corp鹿島建設株式会社
    • TATARA MASAHIROYAMAZAWA SATORUGOTO MASAFUMI
    • B09B3/00B01F7/02B01F7/14C02F11/04C10L3/06
    • Y02E50/343
    • PROBLEM TO BE SOLVED: To provide a dry type anaerobic digester which is capable of efficiently and stably performing methane fermentation of waste with low water content.
      SOLUTION: A cylindrical digestion tank 2 is provided with an inlet 3 and an outlet 5 in the vicinity of one end and the other end, respectively, in the longitudinal direction for solid or semi-solid organic waste A and an anaerobic microorganism B, wherein a rotating shaft 11 penetrates the digestion tank 2 along the central axis thereof, a pair of support plates 14 and 15 are fixed on the rotating shaft 11 so that the plates cross the shaft 11, and an agitation mechanism 10 is produced, which has both ends supported by the pair of support plates 14 and 15 and is provided with a plurality of agitation members 16 disposed extending between the support plates 14 and 15. The rotating shaft 11 is driven by a driving apparatus 19 while keeping a temperature at which the anaerobic microorganism B is active within the digestion tank 2 by an insulating means 30. For example, the support plates 14 and 15 are fixed on the one end and on the other end within the digestion tank 2 on the rotating shaft 11 and the agitation members 16 are disposed extending over the entire length within the digestion tank 2. Preferably, the agitation members 16 are inclined or curved between the central axis and the inner circumference face within the digestion tank 2 and then the waste A within the digestion tank 2 is uniformly agitated from the central axis to the inner circumference face.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种干燥型厌氧消化器,其能够有效且稳定地执行低水含量的废物的甲烷发酵。 解决方案:圆柱形消化罐2在固体或半固体有机废物A和厌氧微生物A的纵向方向上分别在一端和另一端附近具有入口3和出口5 B,其中旋转轴11沿其中心轴线穿过消解槽2,一对支撑板14和15固定在旋转轴11上,使得板穿过轴11,并且产生搅拌机构10, 其两端由一对支撑板14和15支撑,并且设置有多个搅拌构件16,其设置在支撑板14和15之间延伸。旋转轴11由驱动装置19驱动,同时保持温度 其中厌氧微生物B通过绝缘装置30在消化槽2内是有活性的。例如,支撑板14和15固定在消化槽2的一端和另一端在旋转体上 g轴11和搅拌构件16设置在消化罐2内的整个长度上延伸。优选地,搅拌构件16在消化槽2内的中心轴线和内周面之间倾斜或弯曲,然后废物A 在消化槽2内部从中心轴线均匀地搅动到内周面。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • Measuring method, measuring kit and measuring device of nitrous oxide
    • 测量方法,测量氮氧化物的试剂盒和测量装置
    • JP2010207164A
    • 2010-09-24
    • JP2009058502
    • 2009-03-11
    • Kajima Corp鹿島建設株式会社
    • UENO YOSHIYUKIKITAJIMA YOJITATARA MASAHIROHAYADE KOJI
    • C12Q1/26C12M1/34C12N9/06
    • PROBLEM TO BE SOLVED: To provide a measuring method of nitrous oxide, causing no deterioration of a sensor due to oxygen, capable of specifically and highly sensitively measuring the concentration of nitrous oxide. SOLUTION: The measuring method of nitrous oxide comprises a step for reacting in the presence of a nitrous oxide reductase derived from Wolinella, a first electronic mediator, a second electronic mediator, and nitrous oxide in the test sample, and a step for measuring nitrous oxide concentration in the test sample by using as the index the discoloration accompanied with change of the second electronic mediator, from the reduction type to the oxidation type. The oxidation reduction voltage of the first electronic mediator is from +0 mV to +150 mVvs. SHE (standard hydrogen electrode), the second electronic mediator functions as the electron donor to the first electronic mediator, is an electronic mediator discoloring between oxidation type and reduction type, and is reduced with a reductant immediately before measurement start, and the reductant has activity reducing the second mediator and is a reductant whose oxidant is not reversibly reduced. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供一氧化二氮的测量方法,不会导致由于氧而导致的传感器的劣化,能够特异性且高度灵敏地测量一氧化二氮的浓度。 解决方案:一氧化二氮的测量方法包括在来自Wolinella的一氧化二氮还原酶,测试样品中的第一电子介体,第二电子介体和一氧化二氮的存在下反应的步骤,以及用于 通过使用伴随着第二电子介体的变化的变色作为指标,从还原型到氧化型,测定试样中的一氧化二氮浓度。 第一电子介体的氧化还原电压为+0mV至+ 150mVV。 SHE(标准氢电极),第二电子介体作为第一电子介体的电子给体,是氧化型和还原型之间的电子介体变色,并且在测量开始之前用还原剂还原,并且还原剂具有活性 还原第二介体并且是其氧化剂不可逆地还原的还原剂。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Anaerobic treatment method and apparatus for organic substance-containing liquid
    • 含有机物质液体的厌氧处理方法及装置
    • JP2005081238A
    • 2005-03-31
    • JP2003315812
    • 2003-09-08
    • Kajima Corp鹿島建設株式会社
    • FUKUI HISATOMOUENO YOSHIYUKITATARA MASAHIROYAMAZAWA SATORUGOTO MASAFUMI
    • C02F3/10C02F3/28C02F3/34C02F11/04C10L3/06
    • Y02E50/343Y02W10/15
    • PROBLEM TO BE SOLVED: To provide an energy-saving anaerobic treatment method and apparatus which can decompose an organic substance-containing liquid in a short time. SOLUTION: In the anaerobic treatment method for the organic substance-containing liquid, the organic substance-containing liquid L is charged into an anaerobic fermentation tank 1 having a fixed bed 6 to which an anaerobic microorganism group adheres, and a lower space 7 in which the anaerobic microorganism group can float and which is disposed under the fixed bed 6. The liquid L in the lower space 7 is agitated, and high-molecular organic substances in the liquid L in the lower space 7 are decomposed to low-molecular organic substances by the floating microorganism group while rotating the liquid L in the lower space 7 by the above agitation. While circulating the low-molecular organic substances in the liquid L in the lower space 7 by the agitation so as to pass through the fixed bed 6, they are decomposed to biogas G by the adhering microorganism group. Preferably, the bottom wall 1B of the fermentation tank 1 is formed in a hemisphere projecting downward to generate an agitation flow around a radial axis in the center of the inner surface of the bottom wall 1B. Preferably, a vertical flow-through passage 11 having a downward flow driving screw 12 therein is installed in the center of the fixed bed 6, and the low-molecular organic substances are circulated by the agitation flow R in the center of the inner surface of the bottom wall 1B and a downward flow D in the center of the fixed bed 6. COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决的问题:提供能够在短时间内分解含有机物质的液体的节能型厌氧处理方法和装置。 解决方案:在含有机物质的液体的厌氧处理方法中,将含有机物质的液体L装入具有固定床6的厌氧发酵罐1,厌氧发酵罐1中附着有厌氧微生物组,而下部空间 其中厌氧微生物群可以漂浮并且设置在固定床6的下面。下部空间7中的液体L被搅动,下部空间7中的液体L中的高分子有机物质被分解成低分子量的, 同时通过上述搅动使下部空间7中的液体L旋转,同时通过浮游微生物组分子有机物质。 当通过搅拌使下部空间7中的液体L中的低分子有机物质循环通过固定床6时,它们通过粘附的微生物组分解成沼气G。 优选地,发酵罐1的底壁1B形成在向下突出的半球中,以在底壁1B的内表面的中心的径向轴线周围产生搅拌流。 优选地,其中具有向下流动驱动螺杆12的垂直通流通道11安装在固定床6的中心,并且低分子有机物质通过搅拌流R循环在搅拌流R的内表面的中心 底壁1B和固定床6中心的向下流D.在版权所有(C)2005,JPO&NCIPI
    • 8. 发明专利
    • Methane fermentation method and system for organic solid waste
    • 有机固体废物甲烷发酵方法及系统
    • JP2010142735A
    • 2010-07-01
    • JP2008322963
    • 2008-12-18
    • Kajima CorpKyowa Exeo Corp株式会社協和エクシオ鹿島建設株式会社
    • MIYANO HIROSHITATARA MASAHIROKURAMOCHI KAZUHIROSHIBUYA TSUTOMUTAKEMURA KENICHIMAEDA HITOSHIOKABE MOTONOBUMURAYAMA HIROSHISUZUKI MASAHIROUEJIMA YASUHIROHAYASHI TAKUYAENDO TAKASHIHOSHI KAZUAKI
    • B09B3/00C02F11/04
    • Y02E50/343
    • PROBLEM TO BE SOLVED: To provide methane fermentation method and system for organic solid waste which can stably maintain efficient methane fermentation even if scale up is caused.
      SOLUTION: Organic solid waste C is anaerobically stored in a raw material tank 10, a decomposing microorganism-containing fermented solution S of waste is stored in an anaerobic fermentation tank 30 communicating with the raw material tank and vapor phase parts, the fermented solution in the fermentation tank is continuously fed to the raw material tank, the waste is immersed therein, the mixed solution of the waste in the raw material tank and the fermented solution, C+S is continuously extracted into a solid-liquid separation device 20 so as to be separated into a solid content E and a filtrate D, also, the separated filtrate is fed to the fermentation tank, further, the solid content is returned to the raw material tank, the waste in the raw material tank is decomposed while being immersed into the fermented solution circulating among the raw material tank, the solid-liquid separation device and the fermentation tank, and decomposed product gas G is recovered from the vapor phase parts of both the tanks 30, 10. Preferably, the feed amount of the fermented solution or the extraction amount of the mixed solution is adjusted in accordance with the separation amount of the filtrate in the separation device.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供有机固体废物的甲烷发酵方法和系统,即使产生放大,也可以稳定地保持有效的甲烷发酵。 解决方案:将有机固体废物C厌氧地储存在原料罐10中,将含有分解微生物的发酵液S的废物储存在与原料罐和气相部分连通的厌氧发酵罐30中,发酵的 将发酵罐中的溶液连续地供给到原料槽,将废弃物浸入其中,将原料槽中的废物和发酵液C + S的混合溶液连续地提取到固液分离装置20 为了分离成固体成分E和滤液D,也将分离的滤液送入发酵槽,此外,固体成分返回到原料槽,原料槽中的废物分解,同时 浸渍在原料槽,固液分离装置和发酵罐中循环的发酵液中,从气相中回收分解产物气体G 两个罐30,10的部分。优选根据分离装置中的滤液的分离量调节发酵液的进料量或混合溶液的提取量。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Ammonia inhibition-suppressing methane fermentation apparatus
    • 氨氮抑制甲烷发酵装置
    • JP2008136955A
    • 2008-06-19
    • JP2006326542
    • 2006-12-04
    • Kajima Corp鹿島建設株式会社
    • MIYANO HIROSHITATARA MASAHIROGOTO MASAFUMIYAMAZAWA SATORU
    • C02F3/28B09B3/00C02F3/34C02F11/04
    • Y02E50/343
    • PROBLEM TO BE SOLVED: To provide a methane fermentation apparatus in which ammonia inhibition can be efficiently suppressed even when a large-sized fermentation tank is used. SOLUTION: An organic matter-containing liquid E in the anaerobic fermentation tank 1 having a fixed bed 2 of a methane fermentation microbe is withdrawn from the lower part of the anaerobic fermentation tank 1 and returned to the upper part thereof to circulate the organic matter-containing liquid by using a pump 6-arranged circulation line 5 and a decomposition product gas G is withdrawn from a gas phase part 9 being the top of the anaerobic fermentation tank 1 by using a pump 11-arranged gas flow passage 10 while retaining the organic matter-containing liquid E in the anaerobic fermentation tank 1 and keeping the organic matter-containing liquid E in the anaerobic fermentation tank 1 at the temperature, at which the methane fermentation microbe is activated, by using a heat retaining unit 7. An ammonia collection unit 12 is arranged on the gas flow passage 10 so that ammonia is collected in the ammonia collection unit 12 and the ammonia-removed gas G is blown in the circulation line 5 by using a pump 11. A line mixer 14 for mixing/agitating the organic matter-containing liquid E from the anaerobic fermentation tank 1 with the gas G from the ammonia collection unit 12 is preferably arranged in a gas blowing-in portion of the circulation line 10. COPYRIGHT: (C)2008,JPO&INPIT
    • 待解决的问题:为了提供即使在使用大型发酵罐的情况下也能有效抑制氨抑制的甲烷发酵装置。 解决方案:具有甲烷发酵微生物固定床2的厌氧发酵罐1中的含有机物质的液体E从厌氧发酵罐1的下部排出并返回到上部,使 通过使用泵6排列的循环管线5和分解产物气体G的含有机物的液体通过使用泵11布置的气体流动通道10从作为厌氧发酵罐1顶部的气相部分9排出,同时 将含有机物的液体E保持在厌氧发酵槽1中,并通过使用保温单元7将含有有机物的液体E保持在甲烷发酵微生物的活化温度的厌氧发酵槽1内。 氨气收集单元12设置在气体流路10上,使氨收集在氨收集单元12中,除氨气体G吹入循环液 通过使用泵11将来自厌氧发酵罐1的含有机物的液体E与来自氨收集单元12的气体G混合/搅拌的管线混合器14优选地布置在 流通线10.版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Method and device for eliminating floating foreign matter in anaerobic digestion vessel
    • 消除浮动式船舶中的浮动外来物质的方法和装置
    • JP2005205327A
    • 2005-08-04
    • JP2004015289
    • 2004-01-23
    • Kajima Corp鹿島建設株式会社
    • TATARA MASAHIROTOGO YOSHITAKAYAMAZAWA SATORU
    • C02F3/28C02F1/40C02F11/04
    • Y02W10/12
    • PROBLEM TO BE SOLVED: To provide a method and a device which can remove all floating foreign materials in an anaerobic digestion vessel to the outside of the vessel by a simple constitution. SOLUTION: A small weir body 2, of which the upper part is a box-shaped body, the sidewall 2D is a weir and the inside communicates with the outside of the vessel 1, is installed on the surface of treating water S to be digested in the anaerobic digestion vessel 1. A water flow F flowing toward the small weir 2 is formed on the surface of the treating water S and all the floating foreign materials 14 on the surface of the treating water S are discharged to the outside of the digestion vessel 1 through the small weir 2. Preferably, a water level controlling means 15 is installed for fitting the surface of the water level of the treating water S to the height of the weir of the inner wall 2D of the small weir body. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种可以通过简单的结构将厌氧消化容器中的所有漂浮异物去除到容器外部的方法和装置。

      解决方案:一个小型堰体2,其上部是一个箱形体,侧壁2D是堰,内部与容器1的外部连通,安装在处理水S的表面上 在厌氧消化容器1中消化。在处理水S的表面上形成流向小堰2的水流F,处理水S的表面上的所有漂浮异物14排出到外部 通过小堰2安装消化容器1.优选地,安装有水位控制装置15,用于将处理水S的水位表面安装到小堰体内壁2D的堰的高度 。 版权所有(C)2005,JPO&NCIPI