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11. 发明专利

JP2014184355A Sludge treatment system 有权
标题翻译：垃圾处理系统
公开(公告)号：JP2014184355A
公开(公告)日：2014-10-02
申请号：JP2013058955
申请日：2013-03-21
申请人： Metawater Co Ltd , メタウォーター株式会社
发明人： SUGAWARA YOSHIYUKI , KUNITANI TADASHI
IPC分类号： C02F11/12 , B01D24/38 , B01D33/04 , B01D33/70 , C02F11/14
摘要： PROBLEM TO BE SOLVED: To provide a sludge treatment system capable, by returning, to a digestion tank, a sludge having an elevated condensed concentration, of improving the digestion efficiency within the digestion tank.SOLUTION: A sludge treatment system 10 includes: a solid-liquid separator 13 for solid-liquid separating and concentrating a digested sludge obtained by treating an organic effluent within a digestion tank 12; and a return line 14 for returning, to the inlet side of the digestion tank 12, the concentrated sludge from the solid-liquid separator 13, whereas the solid-liquid separator 13 includes: a concentrating unit 18 for gravity-filtering the digested sludge being conveyed atop the upper surface 17a of a filter cloth belt 17; and a mobilization mechanism 20 for mobilizing, along a direction intersecting the conveying direction of the filter cloth belt 17, the sludge being conveyed through the concentrating unit 18.
摘要翻译：要解决的问题：提供一种污泥处理系统，其能够通过向消化槽返回具有提高的浓缩浓度的污泥，从而提高消化槽内的消化效率。溶液：污泥处理系统10包括：固体 - 液体分离器13，用于固体分离和浓缩通过处理消化槽12内的有机流出物获得的消化淤渣; 以及用于将来自固液分离器13的浓缩污泥返回到消化罐12的入口侧的返回管路14，而固液分离器13包括：浓缩单元18，用于对消化的污泥进行重力过滤在滤布带17的上表面17a上方传送; 以及用于沿与滤布带17的输送方向相交的方向移动通过浓缩单元18输送的污泥的动员机构20。

12. 发明专利

JP2014111242A Solid-liquid separator and pressure roller 有权
标题翻译：固液分离器和压力辊
公开(公告)号：JP2014111242A
公开(公告)日：2014-06-19
申请号：JP2012266629
申请日：2012-12-05
申请人： Metawater Co Ltd , メタウォーター株式会社
发明人： SUGAWARA YOSHIYUKI , KUNITANI TADASHI
IPC分类号： C02F11/12 , B01D33/04
摘要： PROBLEM TO BE SOLVED: To provide a solid-liquid separator which can smoothly and submissively rotate a pressure roller by using a belt, and can smoothly transport and dehydrate polluted mud, and to provide the pressure roller.SOLUTION: A solid-liquid separator 12 comprises: a filter cloth belt 16 which travels by using driving force from a driving source 17 and transports polluted mud; and a pressure roller 26 which is arranged so as to face a top face 16a of the filter cloth belt 16. The pressure roller 26 comprises: a rotary shaft 60 which is provided so as to freely rotate around a shaft center that is set in a direction orthogonal to a direction in which the polluted mud is transported by the filter cloth belt 16; and an elastic member 66 which is arranged at an outer peripheral side of the rotary shaft 60 and elastically supports an outer peripheral surface of the pressure roller 26.
摘要翻译：要解决的问题：提供一种可以通过使用带平滑地并且低压地旋转压力辊的固液分离器，并且可以平稳地输送和脱水污泥，并提供加压辊。溶液：固液分离器12 包括：滤布带16，其通过使用来自驱动源17的驱动力行进并运送污染的泥浆; 以及布置成面向滤布带16的顶面16a的压力辊26.加压辊26包括：旋转轴60，其设置成围绕轴心设置为自由旋转与被污染的泥浆通过滤布带16传送的方向正交的方向; 以及弹性构件66，其布置在旋转轴60的外周侧并且弹性地支撑加压辊26的外周表面。

13. 发明专利

JP2012035262A Suction filtration/concentration method 有权
标题翻译：吸入过滤/浓缩方法
公开(公告)号：JP2012035262A
公开(公告)日：2012-02-23
申请号：JP2011228462
申请日：2011-10-18
申请人： Metawater Co Ltd , メタウォーター株式会社
发明人： KUNITANI TADASHI
IPC分类号： C02F11/12 , B01D29/25 , B01D29/37 , B01D35/22
CPC分类号： B01D37/00 , B01D29/39 , C02F11/121 , Y02W10/37
摘要： PROBLEM TO BE SOLVED: To achieve condensation of sludge which is low concentration of ≤1 mass% generated in a water purification plant or the like in a short time and in an efficient manner using the suction filtration/concentration method.SOLUTION: There is provided a suction filtration/concentration method for filtrating and concentrating suspension by a suction method, which comprises a step in which water content in the suspension is passed through filter cloth in the shape of a bag by sucking the suspension through a filtering chamber formed in the interior of the filter cloth, while solids in the suspension are attached to the surface of the filter cloth. The suction filtration/concentration method has a step for selecting first suspension containing solid content which can block the mesh of the filter cloth, a cake thin layer forming step for forming a cake thin layer on the surface of the filter cloth by filtrating and concentrating the first suspension by the suction method, and a filtration/concentration step for filtrating and concentrating second suspension having concentration lower than the concentration of the first suspension through the cake thin layer by the suction method.
摘要翻译：要解决的问题：使用吸滤/浓缩方法在短时间内以有效的方式在水净化装置等中产生低浓度≤1质量％的污泥的冷凝。解决方案：提供了一种通过抽吸方法过滤和浓缩悬浮液的吸滤/浓缩方法，其包括以下步骤：悬浮液中的含水量通过吸取悬浮液而以袋形式通过过滤布通过形成在滤布内部的过滤室，而悬浮液中的固体附着在滤布的表面上。吸滤/浓缩方法具有选择能够阻挡滤布网的固体成分的第一悬浮液的步骤，通过过滤浓缩滤布在滤布表面上形成滤饼薄层的滤饼薄层形成步骤通过抽吸法首先悬浮，以及过滤/浓缩步骤，用于通过抽吸方法过滤并浓缩浓度低于通过滤饼薄层的第一悬浮液的浓度的第二悬浮液。版权所有（C）2012，JPO＆INPIT

14. 发明专利

JP2012056784A Method and apparatus for recovering phosphorus from sludge incineration ash 有权
标题翻译：从泥沙焚烧中回收磷的方法和装置
公开(公告)号：JP2012056784A
公开(公告)日：2012-03-22
申请号：JP2010200076
申请日：2010-09-07
申请人： Metawater Co Ltd , Tokyo Metropolitan Government , Tokyo Metropolitan Sewerage Service Corp , メタウォーター株式会社 , 東京都 , 東京都下水道サービス株式会社
发明人： INOUE KOHEI , ITOKAWA KAZUYOSHI , HANAI YOSUKE , KUNITANI TADASHI
IPC分类号： C01B25/46 , B09B3/00 , C01B25/32 , C02F1/58 , C02F1/60
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for recovering phosphorus from sludge incineration ash by which the recovery efficiency of phosphorus is increased and the apparatus is made smaller.SOLUTION: The method for recovering phosphorus from sludge incineration ash comprises an extraction step to obtain a silicon-containing phosphorus extract by mixing sludge incineration ash containing at least phosphorus and silicon with an alkaline reaction solution to extract phosphorus and silicon included in the sludge incineration ash into the alkaline reaction solutio, a calcium phosphate deposition step to deposit the phosphorus in the silicon-containing phosphorus extract in the form of calcium phosphate by mixing the silicon-containing phosphorus extract with a calcium compound at a deposition reaction temperature of not lower than 30°C and not higher than 70°C, and a calcium phosphate recovery step to recover the calcium phosphate. The apparatus for recovering phosphorus from sludge incineration ash is provided with a calcium phosphate deposition vessel, a temperature control means to control the temperature in the calcium phosphate deposition vessel in the range of not lower than 30°C and not higher than 70°C, and a calcium phosphate recovery means.
摘要翻译：要解决的问题：提供一种从污泥焚烧灰回收磷的方法和装置，通过该方法和装置，磷的回收效率提高，并且使装置更小。解决方案：从污泥焚烧灰中回收磷的方法包括提取步骤，通过将含有至少磷和硅的污泥焚烧灰与碱性反应溶液混合以提取含磷磷提取物中包含的磷和硅来获得含硅磷提取物污泥焚烧灰进入碱性反应溶液中，磷酸钙沉积步骤通过在不沉积反应温度下将含硅磷提取物与钙化合物混合而以磷酸钙的形式将磷沉积在含硅磷提取物中低于30℃且不高于70℃，以及回收磷酸钙的磷酸钙回收步骤。从污泥焚烧灰中回收磷的装置设有磷酸钙沉积容器，控制磷酸钙沉积容器温度不低于30℃且不高于70℃的温度控制装置，和磷酸钙回收装置。版权所有（C）2012，JPO＆INPIT

15. 发明专利

JP2010131474A Apparatus and method for concentrating backwash effluent in membrane filtration 有权
标题翻译：在膜过滤中浓缩反冲洗液的装置和方法
公开(公告)号：JP2010131474A
公开(公告)日：2010-06-17
申请号：JP2008307064
申请日：2008-12-02
申请人： Metawater Co Ltd , メタウォーター株式会社
发明人： KUNITANI TADASHI , SASAKI YASUNARI , TABATA MASAO
IPC分类号： B01D29/01 , B01D21/02 , B01D21/24 , B01D21/30 , B01D29/66 , B01D29/90 , B01D29/92 , B01D29/94 , B01D65/02 , C02F1/44
CPC分类号： Y02W10/37
摘要： PROBLEM TO BE SOLVED: To provide an apparatus and a method for concentrating backwash effluent coming out of a filtration membrane, capable of efficiently carrying out a post-treatment without substantially modifying an existing siphon-type concentration apparatus or without substantially expanding it. SOLUTION: The apparatus for concentrating backwash effluent coming out of a filtration membrane includes: a membrane filtration device 11 for filtering raw water by a membrane; a backwash effluent storage tank 7 for storing backwash effluent resulting from membrane filtration; a sludge tank 1 for receiving the backwash effluent in the backwash effluent storage tank 7; a siphon-type filtration/concentration means 2 disposed in the sludge tank; a backwash effluent return pipe 6 for returning the backwash effluent in the sludge tank 1 to the backwash effluent storage tank 7; and a concentrated sludge discharge pipe connected to the bottom of the sludge tank 1 for discharging filtered/concentrated sludge. The backwash effluent return pipe 6 is connected to the sludge tank 1 at a specified level above the bottom of the sludge tank 1 so as not to allow the compressed dense solid matter of a pellet shape having high settleability contained in the backwash effluent and accumulating in the bottom of the sludge tank 1 to return to the backwash effluent storage tank 7 via the return pipe 6. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于浓缩从过滤膜出来的反洗液的设备和方法，能够有效地进行后处理而基本上不改变现有的虹吸式浓缩装置，或者基本上不扩展它。解决方案：用于浓缩从过滤膜出来的反洗液的设备包括：用于通过膜过滤原水的膜过滤装置11; 用于储存由膜过滤产生的回流流出物的反冲洗流出物储存罐7; 用于接收反洗流出物储罐7中的回洗流出物的污泥槽1; 设置在污泥槽中的虹吸式过滤/浓缩装置2; 用于将污泥槽1中的反洗流出物返回到反洗流出物储存罐7的反冲洗废水返回管6; 和污泥池1的底部连接的浓缩污泥排出管，用于排出过滤/浓缩污泥。回洗废水返回管6在污泥槽1的底部以上规定的高度与污泥槽1连接，不会使反冲洗流出物中含有高沉降性的压片状的致密固体物质被积聚在污泥池1的底部通过回流管6返回到反冲洗废液储罐7.版权所有（C）2010，JPO＆INPIT

16. 发明专利

JP2010131472A Apparatus and method for concentrating backwash effluent in membrane filtration 有权
标题翻译：在膜过滤中浓缩反冲洗液的装置和方法
公开(公告)号：JP2010131472A
公开(公告)日：2010-06-17
申请号：JP2008307029
申请日：2008-12-02
申请人： Metawater Co Ltd , メタウォーター株式会社
发明人： KUNITANI TADASHI , SASAKI YASUNARI , TABATA MASAO
IPC分类号： B01D29/01 , B01D29/00 , B01D29/66 , B01D29/90 , B01D29/92 , B01D29/94 , B01D36/02 , B01D65/02 , C02F1/44 , C02F11/12
CPC分类号： Y02W10/37
摘要： PROBLEM TO BE SOLVED: To provide an apparatus and a method for concentrating backwash effluent coming out of a filtration membrane, capable of adjusting the concentration of concentrated sludge to an intended level by mixing compressed dense solid matter of a pellet shape having high settleability contained in the backwash effluent of a membrane filtration device, with sucked and concentrated sludge. SOLUTION: The apparatus for concentrating backwash effluent coming out of a filtration membrane includes: a membrane filtration device 11 having a casing for receiving raw water therein and a membrane filtration means for filtering raw water by a membrane; a backwash effluent tank 7; a sludge tank 1; a suction-type filtration/concentration means disposed in the sludge tank 1 for producing concentrated sludge by sucking and filtering the backwash effluent present in the sludge tank 1 while discharging filtered water to outside; a backwash-effluent return pipe 6 for returning the backwash effluent in the sludge tank 1 to the backwash effluent tank 7; a concentrated-sludge discharge pipe for discharging the sludge filtered/concentrated by the suction-type filtration/concentration means; and a concentrated sludge tank 15 connected downstream of the sludge tank 1. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于浓缩从过滤膜出来的反洗液的设备和方法，其能够通过混合具有高的颗粒形状的压缩的致密固体物质将浓缩污泥的浓度调节到预期水平包含在膜过滤装置的反冲洗流出物中的沉淀物，具有吸入和浓缩的污泥。用于浓缩从过滤膜出来的反洗液的设备包括：具有用于接收原水的壳体的膜过滤装置11和用于通过膜过滤原水的膜过滤装置; 反冲洗废水箱7; 污泥池1; 吸入式过滤/浓缩装置设置在污泥池1中，用于通过吸收和过滤存在于污泥槽1中的反洗出水物，同时将过滤的水排出到外部来产生浓缩污泥; 用于将污泥槽1中的反洗流出物返回到反冲洗流出物罐7的反冲洗废水返回管6; 用于排出通过吸入型过滤/浓缩装置过滤/浓缩的污泥的浓缩污泥排出管; 和污泥池1下游连接的浓缩污泥池15.版权所有（C）2010，JPO＆INPIT

17. 发明专利

JP2009202043A Support structure of filter plate 有权
标题翻译：过滤板支撑结构
公开(公告)号：JP2009202043A
公开(公告)日：2009-09-10
申请号：JP2008043891
申请日：2008-02-26
申请人： Metawater Co Ltd , メタウォーター株式会社
发明人： MORI YUTAKA , KUNITANI TADASHI , KAZUI HIRONOBU
IPC分类号： B01D29/11 , B01D29/13 , B01D29/50 , C02F11/12
摘要： PROBLEM TO BE SOLVED: To provide a support structure of a filter plate which is capable of preventing neighboring filter clothes from getting into contact with each other and which is capable of maximally securing the filtration area of a filter cloth.
SOLUTION: The support structure of the filter plate comprises a plurality of filtering plates 30 each formed by covering the outer periphery of a supporter 32 with a filter cloth 34 formed in a bag shape to form a filter chamber inside of the filter cloth 34, and the filter plates 30 are arranged and supported in parallel at a specified interval in a filter tank 10 with a flat surface oriented in the vertical direction. Support bars 40, 41 are fitted to the upper edge part and lower edge part of the filter cloth 34. The filter cloth 34 is stretched by the weight of the support bar 41 fitted to the lower edge part. Guide bars 50, 50 are arranged to the upper and lower sides, and are passed through both sides of the filter cloth 34. The upper and lower end parts of the guide bar 50 are held in the state of being slidable with in a predetermined distance along the support bars 40, 41.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种过滤板的支撑结构，其能够防止相邻的过滤衣物彼此接触并且能够最大限度地确保滤布的过滤面积。解决方案：过滤板的支撑结构包括多个过滤板30，每个过滤板30通过用形成袋状的滤布34覆盖支撑件32的外周而形成，以在过滤布的内部形成过滤室 34，并且过滤板30以规定间隔平行布置和支撑在具有在垂直方向上定向的平坦表面的过滤罐10中。支撑杆40,41装配到滤布34的上边缘部分和下边缘部分。滤布34被安装在下边缘部分上的支撑杆41的重量拉伸。引导杆50,50设置在上侧和下侧，并且穿过滤布34的两侧。导杆50的上端部和下端部保持在预定距离内可滑动的状态沿着支撑杆40,41。版权所有（C）2009，JPO＆INPIT

18. 发明专利

JP2016002516A 汚泥脱水システム及び汚泥脱水システムの制御方法审中-公开
公开(公告)号：JP2016002516A
公开(公告)日：2016-01-12
申请号：JP2014124018
申请日：2014-06-17
申请人： METAWATER CO LTD
发明人： SUGAWARA YOSHIYUKI , KUNITANI TADASHI
IPC分类号： C02F11/12 , B01D33/04 , B01D33/58 , B01D33/80 , B08B3/02 , B30B9/24
摘要：【課題】ろ布ベルトの走行速度が変更された場合にも洗浄水の使用総量が増加せず、且つ所望の洗浄性能を維持することができる汚泥脱水システム及び汚泥脱水システムの制御方法を提供する。【解決手段】汚泥脱水システム10は、周回軌道上を走行し、汚泥を搬送しながら固液分離する無端状のろ布ベルト20と、ノズル23aから洗浄水を吐出してろ布ベルト20を洗浄する洗浄装置23とを備え、ろ布ベルト20の走行速度を変更する走行速度変更部68と、ろ布ベルト20の走行速度に応じた変位速度で洗浄装置23によるろ布ベルト20の洗浄位置Wをろ布ベルト20の長手方向に沿った方向へと変位させる洗浄位置変位部70と、ろ布ベルト20の走行速度に応じてノズル23aからの洗浄水の吐出をオンオフ制御する吐出制御部64とを備える。【選択図】図1

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