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    • 1. 发明专利
    • Sludge dehydrating system
    • 污泥脱水系统
    • JP2014144428A
    • 2014-08-14
    • JP2013014520
    • 2013-01-29
    • Metawater Co Ltdメタウォーター株式会社
    • SUGAWARA YOSHIYUKIKUNITANI TADASHI
    • C02F11/12B01D29/17B01D29/25B01D29/37B01D29/44B01D33/04B01D33/58B01D33/80B01D36/02
    • PROBLEM TO BE SOLVED: To provide a sludge dehydrating system capable of recovering a filtrate properly depending on the properties thereof and of improving the treatment efficiency.SOLUTION: The provided sludge dehydrating system 10 is furnished with: a filtration unit 18 for concentrating a sludge being conveyed on the upper surface 16a of a filter cloth belt 16; a compression unit 28 for compressing and dehydrating, atop the filter cloth belt 16, the sludge transmitted through the filtration unit 18 by using a primary dehydrating roller 26; and a filtrate recovery vessel 23 capable of individually recovering filtrates discharged respectively from the filtration unit 18 and compression unit 28 within filtrate receivers 32a and 32b and is also furnished with a return line 60 for returning, to a position on the upstream side of the filtration unit 18, the filtrate from the compression unit 28 recovered by the filtrate receiver 32b.
    • 要解决的问题:提供一种能够根据其性能适当地回收滤液并提高处理效率的污泥脱水系统。解决方案:提供的污泥脱水系统10配有:过滤单元18,用于浓缩污泥 在滤布带16的上表面16a上传送; 用于通过使用主脱水辊26将通过过滤单元18传播的污泥压滤和脱水的压缩单元28, 以及滤液回收容器23,其能够分别回收滤液接收器32a和32b中的过滤单元18和压缩单元28分别排出的滤液,并且还具有返回管线60,用于返回到过滤器的上游侧的位置 单元18,由滤液接收器32b回收的来自压缩单元28的滤液。
    • 2. 发明专利
    • Method for recovering phosphorus extract and apparatus for recovering phosphorus extract
    • 回收磷提取物的方法和回收磷提取物的方法
    • JP2009207983A
    • 2009-09-17
    • JP2008052862
    • 2008-03-04
    • Metawater Co Ltdメタウォーター株式会社
    • SASAKI YASUNARIKUNITANI TADASHIMORI YUTAKATABATA MASAOIKEDA YUICHI
    • B09B3/00B01D29/11B01D29/13B01D29/50B01D29/60B01D29/92B01D39/08C01B25/02
    • PROBLEM TO BE SOLVED: To provide a phosphorus extract recovery method and a phosphorus extract recovery apparatus for efficiently recovering phosphorus extract at low cost.
      SOLUTION: The apparatus used is a phosphorus extract recovery apparatus comprising a filtration plate 40 so configured as to carry out filtration treatment in a state that a layer 44 of insoluble components in a mixed solution is formed in the primary side surface of a filter cloth 42, sludge deposition parts 10a and 10b for depositing the insoluble components in the mixed solution during the filtration treatment, two tanks, that is, solid-liquid separation tanks 10 and 20 having discharge means for discharging insoluble components deposited on the sludge deposition parts 10a and 10b, and means for introducing the mixed solution in each of solid-liquid separation tanks alternatively to the other solid-liquid separation tank and is configured in a manner that the filtration treatment of the mixed solution and the discharge treatment of the insoluble components are carried out alternatively in the two tanks and at the same time, the mixed solution in one solid-liquid separation tank where the filtration treatment is carried out is introduced into the other solid-liquid separation tank where the discharge treatment is carried out and thus the treatments are switched.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 待解决的问题:提供一种磷提取物回收方法和用于以低成本有效回收磷提取物的磷提取物回收装置。 使用的装置是一种磷提取回收装置,其包括过滤板40,该过滤板40被配置为在混合溶液中的不溶性组分的层44形成在第一侧面中的状态下进行过滤处理 滤布42,用于在过滤处理期间将不溶性组分沉积在混合溶液中的污泥沉积部分10a和10b,两个罐,即固液分离罐10和20,其具有用于排出沉积在污泥沉积物上的不溶成分排出装置 零件10a和10b,以及用于将固液分离罐中的混合溶液与另一个固液分离槽交替引入的装置,其结构是将混合溶液的过滤处理和不溶性的 组分在两个罐中交替进行,同时在一个固液分离罐中的混合溶液中 这里进行的过滤处理被引入进行排出处理的其他固液分离罐中,从而进行处理。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Sludge treatment system
    • 垃圾处理系统
    • JP2014155892A
    • 2014-08-28
    • JP2013027075
    • 2013-02-14
    • Metawater Co Ltdメタウォーター株式会社
    • SUGAWARA YOSHIYUKIKUNITANI TADASHI
    • C02F11/12B01D29/17B01D29/25B01D29/37B01D29/44B01D33/04B01D36/02C02F3/12C02F11/14
    • Y02W10/15
    • PROBLEM TO BE SOLVED: To provide a sludge treatment system which can reduce the load of a final sedimentation tank arranged in a subsequent stage of a biological reaction vessel and the water content of discharged cakes while saving a space for equipment.SOLUTION: A sludge treatment system 10 comprises: a solid-liquid separator 16 for separating organic drain sludge-treated in a biological reaction vessel 14 into solid and liquid; and a dehydrator 18 for dehydrating the concentrated sludge discharged from the solid-liquid separator 16. In the solid-liquid separator 16, there are provided a screw 44 for concentration and a filter body 42 formed by laminating a plate 50 around the screw for concentration in the circumferential direction. In the dehydrator 18, there are provided a secondary concentration machine 30 which concentrates the concentrated sludge from the solid-liquid separator 16 on the upper surface of a filter cloth belt 28 while carrying the concentrated sludge and a dehydrating machine 32 for pressure-dehydrating the sludge discharged from the secondary concentration machine 30.
    • 要解决的问题:提供一种污泥处理系统,其可以减少布置在生物反应容器的后续阶段中的最终沉淀池的负载和排出的蛋糕的含水量,同时节省设备空间。解决方案:污泥处理 系统10包括:固体 - 液体分离器16,用于将在生物反应容器14中处理的有机排水污泥分离成固体和液体; 以及用于使从固液分离器16排出的浓缩污泥脱水的脱水器18.在固液分离器16中设置有用于浓缩的螺杆44,以及通过将板50围绕螺杆聚集而形成的过滤体42 在圆周方向。 在脱水器18中,设置有二次浓缩机30,其将来自固 - 液分离器16的浓缩污泥浓缩在滤布带28的上表面上,同时携带浓缩污泥和脱水机32 从二次浓缩机排出的污泥30。
    • 4. 发明专利
    • Pressurizing apparatus and pressurizing method
    • 加压装置和加压方法
    • JP2012170845A
    • 2012-09-10
    • JP2011033132
    • 2011-02-18
    • Metawater Co Ltdメタウォーター株式会社
    • KUNITANI TADASHI
    • B01D25/12
    • PROBLEM TO BE SOLVED: To provide a pressurizing apparatus which pressurizes the inside of a device to be pressurized while increasing pressure step by step and a plurality of stages of pressure regulation (pressure control) can be performed by one control valve.SOLUTION: A pressurizing apparatus 100 includes: a high-pressure gas supply means M1; piping T1 for pressurization in which one end T1a is connected to the high-pressure gas supply means M1; a pressure gauge PG for measuring pressure inside a device 300 to be pressurized; a control valve CV1 provided in the piping T1 for pressurization; and a control device CD which opens/closes a control valve CV1 on the basis of the pressure measured by the pressure gauge PG.
    • 解决的问题:提供一种加压装置,其在逐步增加压力的同时对被加压装置的内部加压,并且可以通过一个控制阀执行多级的压力调节(压力控制)。 解决方案:加压装置100包括:高压气体供给装置M1; 用于加压的管道T1,其中一端T1a连接到高压气体供应装置M1; 用于测量装置300内的压力的压力计PG被加压; 设置在用于加压的管道T1中的控制阀CV1; 以及基于由压力计PG测量的压力来打开/关闭控制阀CV1的控制装置CD。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Suction type filtration and concentration apparatus
    • 吸入式过滤和浓缩装置
    • JP2010234199A
    • 2010-10-21
    • JP2009083107
    • 2009-03-30
    • Metawater Co Ltdメタウォーター株式会社
    • KUNITANI TADASHI
    • C02F11/12B01D29/00B01D29/11B01D29/13B01D29/50B01D29/66B01D39/08
    • PROBLEM TO BE SOLVED: To provide a suction type filtration and concentration apparatus with a simple structure capable of ensuring an effective filtering area and capable of being improved in the releasability and washing properties of concentrated sludge.
      SOLUTION: In the suction type filtration and concentration apparatus for sludge having a sludge tank 12 and a plurality of the mutually adjacent filter plates 14 which are provided in the sludge tank and each of which has a reticulated support plate, a bag-shaped filter cloth 18 (having a filter chamber formed therein) integrally sutured to the support plate so as to house the support plate, a suction means for sucking the filter cloth through the filter chamber, an expansion means for expanding the filter cloth through the filter chamber and an elastic member for always adding tension to a plurality of the respective filter plates; the filter cloth is made of a resin selected from the group consisting of polyester, polyethylene and polypropylene and the expansion means has a water-containing compressed air supply means 91 for supplying water-containing compressed air into the filter chamber while the elastic member linearly extends to the outside from the peripheral edge part of each of the filter plates.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供具有能够确保有效过滤面积并且能够提高浓缩污泥的脱模性和洗涤性能的简单结构的抽吸式过滤和浓缩装置。 解决方案:在具有污泥箱12和多个相邻的过滤板14的污泥的抽吸式过滤和浓缩装置中,其设置在污泥槽中,每个具有网状支撑板, 一体地缝合在支撑板上的带状滤布18(具有形成在其中的过滤室)以容纳支撑板,用于通过过滤室吸滤滤布的抽吸装置,用于使滤布膨胀通过过滤器的膨胀装置 室和弹性构件,用于总是向多个各个过滤板增加张力; 滤布由选自聚酯,聚乙烯和聚丙烯的树脂制成,膨胀装置具有含水压缩空气供给装置91,用于将含水压缩空气供给到过滤室中,同时弹性构件线性延伸 从每个过滤板的周边部分向外部延伸。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Method of recovering phosphorus extract
    • 回收磷提取物的方法
    • JP2009207982A
    • 2009-09-17
    • JP2008052861
    • 2008-03-04
    • Metawater Co Ltdメタウォーター株式会社
    • TABATA MASAOIKEDA YUICHISASAKI YASUNARIKUNITANI TADASHIMORI YUTAKA
    • B01D29/11B01D29/13B01D39/08B09B3/00
    • PROBLEM TO BE SOLVED: To provide a method of recovering a phosphorus extract, efficiently at low costs, from an acidic or alkaline extract containing incineration ash of phosphorus-containing sludge.
      SOLUTION: The recovering method has a phosphorus dissolving process of adding a strongly acidic or alkaline solution to incineration ash of phosphorus-containing sludge to dissolve phosphorus and a solid/liquid separation process of removing the insoluble ingredients from the mixed solution of a phosphorus-dissolved solution and insoluble ingredients to recover the phosphorus extract. The solid/liquid separation process comprises passing the mixed solution through a filtration plate equipped with a filter cloth from the primary side of the filtration plate so as to filter the mixed solution while a layer of the insoluble ingredients in the mixed solution is formed on the primary-side surface of the filter cloth and recovering the phosphorus extract from the secondary side of the filtration plate.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 待解决的问题:提供一种从含磷污泥的焚烧灰的酸性或碱性提取物中以低成本有效地回收磷提取物的方法。 解决方案:回收方法具有将强酸性或碱性溶液添加到含磷污泥的焚烧灰中以溶解磷的磷溶解过程,以及从不溶性成分从混合溶液中除去不溶成分的固/液分离方法 磷溶解溶液和不溶成分回收磷提取物。 固/液分离方法包括将混合溶液从过滤板的初级侧通过装有滤布的过滤板,以过滤混合溶液,同时在该混合溶液中形成一层不溶性成分 滤布的初级侧表面,并从过滤板的次级侧回收磷提取物。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Concentrator
    • 选矿厂
    • JP2014136201A
    • 2014-07-28
    • JP2013007143
    • 2013-01-18
    • Metawater Co Ltdメタウォーター株式会社
    • SUGAWARA YOSHIYUKIKUNITANI TADASHI
    • C02F11/12B01D33/04B01D33/58B01D33/80C02F11/14
    • PROBLEM TO BE SOLVED: To provide a concentrator capable of smoothly transferring sludge transported on a filter cloth belt with a screw for kneading.SOLUTION: A concentrator 12 which transports sludge on the top face 16a of a filter cloth belt 16 while concentrating the sludge by gravity filtration, includes screws 40a and 40b extending in a crossing direction to the transporting direction of sludge by the filter cloth belt 16, so as to transfer the sludge with rotation thereof toward the crossing direction to the transporting direction by the filter cloth belt 16, and a control device 15 which controls the rotation speed of the screws 40a and 40b, corresponding to the amount of transported sludge by the filter cloth belt 16.
    • 要解决的问题:提供一种能够平稳地转移在滤布带上输送的污泥用于捏合螺杆的浓缩器。解决方案:浓缩器12,其将污泥在滤布带16的顶面16a上运送,同时将污泥浓缩 重力过滤包括通过滤布带16沿与污泥输送方向交叉的交叉方向延伸的螺钉40a和40b,以便通过滤布带16沿着与输送方向的交叉方向转动污泥, 以及控制装置15,其控制螺杆40a和40b的转速,对应于由滤布带16输送的污泥的量。
    • 8. 发明专利
    • Method and device for filtration of turbid water
    • 涡轮水过滤方法及装置
    • JP2013212442A
    • 2013-10-17
    • JP2012082843
    • 2012-03-30
    • Metawater Co Ltdメタウォーター株式会社Hazama Ando Corp株式会社安藤・間
    • HASHIMOTO YOSHITAKAKUNITANI TADASHI
    • B01D37/02B01D36/00C02F1/52E21D9/13
    • C02F1/001C02F2103/06C02F2103/44
    • PROBLEM TO BE SOLVED: To provide a method and device for filtration of turbid water, capable of improving efficiency of filtration treatment by promptly forming a precoat layer.SOLUTION: A turbid water filtration device 1 is configured such that a filtration plate 50 is immersed in a filtration tank 5 with turbid water D3 supplied therein, a precoat layer is formed on a filter cloth surface that forms the filtration plate 50 using suspended solids in the turbid water D3, and subsequently the turbid water D3 is dynamically filtered via the precoat layer. The device includes: a diffusion means comprising a diffusion pump 16, diffusion piping 17, and a diffusion trough 18 which are for diffusing the turbid water in the filtration tank 5; and a control unit C for diffusing the turbid water in the filtration tank 5 by the diffusion means only when forming the precoat layer.
    • 要解决的问题:提供一种过滤浑浊水的方法和装置,其能够通过迅速形成预涂层来提高过滤处理的效率。解决方案:浑浊水过滤装置1被构造成使过滤板50浸入 在其中供应混浊水D3的过滤槽5,在滤布表面上形成预涂层,该滤布表面使用悬浮固体在混浊水D3中形成过滤板50,随后通过预涂层动态过滤混浊水D3。 该装置包括:扩散装置,其包括扩散泵16,扩散管道17和扩散槽18,其用于使过滤罐5中的混浊水扩散; 以及仅在形成预涂层时通过扩散装置使过滤罐5中的混浊水扩散的控制单元C.
    • 9. 发明专利
    • Sewage treatment method
    • 水处理方法
    • JP2010036107A
    • 2010-02-18
    • JP2008201806
    • 2008-08-05
    • Metawater Co Ltdメタウォーター株式会社
    • SASAKI YASUNARIMORI YUTAKAKUNITANI TADASHITABATA MASAOIKEDA YUICHI
    • C02F3/12C02F1/52C02F1/58C02F11/14
    • Y02W10/15
    • PROBLEM TO BE SOLVED: To provide a low-cost sewage treatment method having a high phosphorus recovery rate. SOLUTION: A strongly acidic solution or a strongly alkaline solution is added to incineration ash of sludge containing at least phosphorus and aluminum to solubilize the phosphorus and aluminum, and insoluble components are removed from the solution to recover an extraction liquid. A chemical reacting with phosphorus to produce insoluble compounds is added to the obtained extraction liquid to precipitate the phosphorus compounds, and then solid-liquid separation is carried out to recover separated liquid. The extraction liquid is added to one of processes, a primary sedimentation process where sewage is made to flow into a primary sedimentation basin 11 and solids are removed from the sewage, a bioreaction process where pollutants are treated with activated sludge in a bioreaction tank 12, a final sedimentation process where the activated sludge is settled and separated in a final sedimentation basin 13, and a dehydration process where sewage sludge discharged from the primary sedimentation basin 11 and/or the final sedimentation basin 13 is dehydrated in a dehydrator 14, included in an activated sludge process. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供具有高磷回收率的低成本污水处理方法。 解决方案:将强酸性溶液或强碱性溶液加入到至少含有磷和铝的污泥的焚烧灰中以溶解磷和铝,并从溶液中除去不溶性成分以回收提取液。 向所得萃取液中加入与磷反应产生不溶性化合物的化学物质,使磷化合物沉淀,然后进行固液分离以回收分离液体。 将提取液添加到一个过程中,一个沉淀过程,其中使污水流入初级沉降池11,固体从污水中除去,生物反应过程中污染物用生物反应罐12中的活性污泥处理, 最终的沉淀过程,其中活性污泥在最终沉降池13中沉降和分离,以及脱水过程,其中从主沉淀池11和/或最终沉降池13排出的污水污泥在脱水机14中脱水,包括在 活性污泥法。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Support structure of filter plate
    • 过滤板支撑结构
    • JP2009214086A
    • 2009-09-24
    • JP2008063526
    • 2008-03-13
    • Metawater Co Ltdメタウォーター株式会社
    • MORI YUTAKAKUNITANI TADASHIYAMANE HIROYASUFUJISAKI MASAAKI
    • B01D29/11B01D29/00B01D29/25B01D29/37B01D35/22C02F11/12
    • PROBLEM TO BE SOLVED: To provide support structure of filter plates allowing stretching of filter cloth without loosening, and preventing reduction of a filtration area. SOLUTION: In the support structure of the filter plate, the plurality of filter plates 20 formed by covering outer peripheries of supports 22 with the bag-likely formed filter cloth 24, with the inside of the filter cloth 24 serving as filtration chambers R, are juxtaposed with flat faces set vertically in a filtration tank 2 at given intervals. A filtration frame 30 surrounding the filtration plate 20 is disposed on the outer periphery of the filtration plate 20. An upper side S1 of the filter cloth 24 is supported by suspending at an upper side 31 of the filtration frame 30, a first weight member 50 is attached to a lower side S2 of the filter cloth 24, and the lower side S2 of the filter cloth 24 is stretched by the weight. Both sides S3, S3 of the filter cloth 24 are stretched to inner peripheries of both sides 33, 33 of the filtration frame 30. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供过滤板的支撑结构,允许在不松动的情况下拉伸滤布,并防止过滤面积的减小。 解决方案:在过滤板的支撑结构中,多个过滤板20通过用可能形成袋的滤布24覆盖支撑件22的外周而形成,滤布24的内部用作过滤室 R与给定的间隔垂直设置在过滤罐2中的平面相并列。 在过滤板20的外周设置有围绕过滤板20的过滤框架30.滤布24的上侧S1通过悬挂在过滤框架30的上侧31被支撑,第一配重构件50 连接到滤布24的下侧S2,并且滤布24的下侧S2被重量拉伸。 滤布24的两侧S3,S3被拉伸到过滤框架30的两侧33,33的内周。版权所有(C)2009,JPO&INPIT