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    • 1. 发明专利
    • Method for cleaning sand filter apparatus
    • 清洗过滤器的方法
    • JP2014151278A
    • 2014-08-25
    • JP2013023565
    • 2013-02-08
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • MATSUI KATSUNORI
    • B01D24/46B01D24/02B01D24/48B01D29/60B01D29/62B01D29/66
    • PROBLEM TO BE SOLVED: To shorten time required for a rinse step carried out during cleaning operation of a sand filter apparatus.SOLUTION: A method for cleaning a sand filter apparatus comprises: a liquid drain step of discharging raw sea water sw (water to be treated) from a filter sand layer 16 after filtering of the raw sea water sw; a gas cleaning step of introducing air a from the outlet side of a housing 14 after the liquid drain step and removing impurities captured in the filter sand layer 16 from the filter sand layer 16; an impurity discharge step of introducing concentrated sea water cs (cleaning water) from the outlet side of the housing 14 into the filter sand layer 16 and discharging the removed impurities together with the concentrated sea water cs from the filter sand layer 16; a cleaning water discharge step of flowing down the concentrated sea water cs from the filter sand layer 16 by a gravity force after the impurity discharge step; and a rinse step of introducing the raw sea water sw as rinse water into the filter sand layer 16 from the inlet side of the housing 14 and adjusting the layer state of the filter sand layer 16 while replacing the concentrated sea water cs remained in the filter sand layer 16 with the raw sea water sw.
    • 要解决的问题:缩短在砂滤器装置的清洁操作期间进行的冲洗步骤所需的时间。解决方案:一种用于清洗砂滤器装置的方法,包括:排水步骤,将原料海水sw(水为 处理)从滤砂层16过滤生海水sw; 在排液步骤之后从壳体14的出口侧引入空气a并从滤砂层16除去从滤砂层16捕获的杂质的气体净化步骤; 将集中的海水cs(清洗水)从壳体14的出口侧引入到过滤砂层16中并从浓缩的海水cs从滤砂层16排出去除的杂质的杂质排出工序; 净化水排出工序,在杂质排出工序之后,通过重力从滤砂层16向下流下浓缩海水cs; 以及从壳体14的入口侧将作为冲洗水的生海水sw作为冲洗水引入到滤砂层16中的冲洗步骤,并且在更换过滤器中留下的浓缩海水cs的同时调节过滤砂层16的层状态 沙层16与生海水sw。
    • 2. 发明专利
    • Desalination apparatus and desalination method
    • 脱盐装置和脱盐方法
    • JP2012120970A
    • 2012-06-28
    • JP2010273011
    • 2010-12-07
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • TAKEUCHI KAZUHISANAGAI MASAHIKOITO YOSHIAKIKAKIUE HIDEMASAIWAHASHI HIDEOMATSUI KATSUNORI
    • C02F1/44B01D61/04B01D61/08B01D61/58C02F1/50C02F1/70C02F1/72C02F1/76C02F9/00
    • Y02A20/131
    • PROBLEM TO BE SOLVED: To provide a desalination apparatus and a desalination method, which are capable of smoothly and effectively carrying out neutralization treatment of raw water using a reducing agent after chlorination treatment of the raw water.SOLUTION: The desalination apparatus includes: a chlorine-containing water supply means 12 installed in a raw water supply line Lfor adding chlorine-containing water 12a to the raw water 11, a pretreatment device 13 having a pretreatment membrane 13a for removing a turbid content in the raw water 11 with the chlorine-containing water 12a added thereto, a filter 15 for removing inorganic matters, etc. in filtrate water 14 from the pretreatment device 13, a reducing agent supply means 16 installed in the downstream side of the filter 15 for supplying the reducing agent 16a for neutralizing the added chlorine, an oxidation means 17 installed in the downstream side of the reducing agent supply means 16 for oxidizing the excessive reducing agent 16a, and a reverse osmosis membrane device 19 having a reverse osmosis membrane (RO membrane) 19a for removing a saline matter from the filtrate water 14 after the oxidation of the excessive reducing agent 16a in the oxidation means 17 to produce permeated water 18.
    • 要解决的问题:提供一种脱盐装置和脱盐方法,其能够在原水的氯化处理之后使用还原剂平稳有效地进行原水的中和处理。 解决方案:脱盐装置包括:在原水供应管线L 1 中的含氯水供给装置12,用于向原水中加入含氯水12a 如图11所示,具有预处理膜13a的预处理装置13,用于除去添加有含氯水的原料水11中的浑浊物质的预处理膜13a,从预处理装置13中除去滤液水14中的无机物等的过滤器15 设置在过滤器15的下游侧的还原剂供给装置16,用于供给用于中和添加的氯的还原剂16a,安装在还原剂供给装置16的下游侧的用于氧化过量还原剂的氧化装置17 16a和具有反渗透膜(RO膜)19a的反渗透膜装置19,用于在氧化反应中过量还原剂16a的氧化之后从滤液水14除去盐水物质 n表示17产生渗透水18.版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • 淡水化装置及び淡水化方法、並びに淡水、塩及び有価物の併産方法
    • 脱盐剂和脱盐方法作为同时生产淡水,盐和有价值物质的方法
    • JP2015029932A
    • 2015-02-16
    • JP2013159849
    • 2013-07-31
    • 三菱重工業株式会社Mitsubishi Heavy Ind Ltd
    • ITO YOSHIAKIIWAHASHI HIDEOMATSUI KATSUNORITOKUNAGA KIICHIKAKIUE HIDEMASAHORIZOE KOJI
    • C02F1/44B01D9/02B01D61/04B01D61/12B01D61/58C01B7/01C01D3/06C02F1/469C02F9/00
    • Y02A20/128Y02A20/131Y02A20/132Y02A20/134
    • 【課題】淡水化装置及び淡水化方法並びに淡水、塩及び有価物の併産方法を提供する。【解決手段】供給海水W中の塩分が除去された淡水W11と供給海水W中の塩分が濃縮された塩分濃縮水W12とを得る逆浸透膜装置12と、塩分濃縮水W12を電気透析し、濃縮かん水W13と希釈かん水W14とを得る電気透析部13と、濃縮かん水W13を蒸発晶析する蒸発晶析部21と、蒸発晶析部21からの濃縮された塩化ナトリウムスラリーS1を固液分離する固液分離部22と、固液分離された塩化ナトリウムを淡水W11で溶解する溶解部29と、溶解された塩化ナトリウム水溶液を用い、塩素、水素及び水酸化ナトリウム水溶液33を得る電気化学処理部30と、得られた水素と塩素とから塩酸32を製造する塩酸製造部31と、塩酸32及び水酸化ナトリウム水溶液33のいずれか一方又は両方を淡水化装置内で用いる塩酸供給ラインL25、水酸化ナトリウム水溶液供給ラインL26とを備える。【選択図】図1
    • 要解决的问题:提供脱盐剂和脱盐方法以及同时生产淡水,盐和有价值物质的方法。解决方案:所提供的脱盐器配有:用于获得淡水W的反渗透膜装置12, 供应海水W的盐分含量已经被去除,盐含量浓缩水Win,供应海水W的盐含量已经集中; 用于通过电渗析盐含量浓缩水W而获得浓缩盐水和稀释盐水的电渗析单元13; 用于蒸发和结晶浓缩盐水W的蒸发结晶单元21; 用于固体分离浓缩氯化钠浆料的固液分离单元22从蒸发结晶单元21获得; 用于将固液分离的氯化钠溶解到淡水W中的溶解单元29; 用于通过使用溶解的氯化钠水溶液获得氯,氢和氢氧化钠水溶液33的电化学处理单元30; 从得到的氢和氯制造盐酸32的盐酸生产装置31; 盐酸供应管线使用脱盐器中的盐酸32和氢氧化钠水溶液33中的任一种或两者; 和氢氧化钠水溶液供应线L.
    • 5. 发明专利
    • Desalination apparatus and desalination method
    • 脱盐装置和脱盐方法
    • JP2014155926A
    • 2014-08-28
    • JP2014104723
    • 2014-05-20
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • TAKEUCHI KAZUHISAITO YOSHIAKIKAKIUE HIDEMASAIWAHASHI HIDEOMATSUI KATSUNORITANAKA KENJI
    • C02F1/44B01D61/02B01D61/04B01D61/58C02F1/70
    • Y02A20/131Y02A20/144
    • PROBLEM TO BE SOLVED: To provide a desalination apparatus and a desalination method capable of smoothly and efficiently neutralizing, by using a reductant, a body of raw water having been chlorine-treated.SOLUTION: A desalination apparatus 10 is furnished with a pretreatment device 13, a reverse osmotic membrane device 17, and a reductant injection device 30. The reductant injection device 30 comprises: a retrieval line 31 for retrieving a portion of the raw water as retrieved water 14a; a sodium bisulfate soda (SBS) supply tank for determination for supplying a SBS solution 18 into the retrieved water 14a; and an oxidation-reduction potentiometer for measuring the oxidation-reduction potential of the liquid mixture of the retrieved water 14a and SBS solution 18. An equivalent point coinciding with the maximal variation portion of the oxidation-reduction potential is calculated by the oxidation-reduction potentiometer. A control of calculating the quantity of the SBS solution 18 supplied to the filtered water on the anterior streaming side of the reverse osmotic membrane device 17 and then supplying the SBS solution 18 into the raw water so as to realize a reductant addition concentration corresponding to this equivalent point is executed by a computing device.
    • 要解决的问题:提供一种能够通过使用还原剂平稳有效地中和经过氯处理的原水体的脱盐装置和脱盐方法。解决方案:脱盐装置10配备有预处理装置13 ,反渗透膜装置17和还原剂注入装置30.还原剂注入装置30包括:用于取出原水的一部分作为回收水14a的回收管线31; 用于确定将SBS溶液18供应到回收水14a中的硫酸氢钠苏打(SBS)供应罐; 以及用于测量回收水14a和SBS溶液18的液体混合物的氧化还原电位的氧化还原电位计。通过氧化还原电位计计算与氧化还原电位的最大变化部分一致的等效点 。 计算提供给反渗透膜装置17前流侧的过滤水的SBS溶液18的量,然后将SBS溶液18供给到原水中的控制,以实现与其对应的还原剂添加浓度 等效点由计算设备执行。
    • 6. 发明专利
    • Reverse osmosis membrane desalination apparatus and inspection method of the same
    • 逆向膜分离装置及其检测方法
    • JP2012213729A
    • 2012-11-08
    • JP2011081251
    • 2011-03-31
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • MATSUI KATSUNORITAKEUCHI KAZUHISA
    • B01D65/10B01D61/10B01D63/12G01N27/00G01N27/06G01R27/22
    • Y02A20/131Y02A20/144
    • PROBLEM TO BE SOLVED: To provide a reverse osmosis membrane desalination apparatus that can easily specify a reverse osmosis membrane element in which the performance is deteriorated, and an inspection method of the same.SOLUTION: The inspection method is for the reverse osmosis membrane desalination apparatus 1 that includes: an approximately circle cylindrical pressure vessel 16; two or more approximately circle cylindrical water collecting pipes 13 connected in series and provided in an approximately concentric shape in the inside of the pressure vessel 16; a reverse osmosis membrane element 15 provided at the outer circumference of each water collecting pipe 13, having a reverse osmosis membrane 12, and leading permeated water 14 obtained by making supply water 11 penetrate the reverse osmosis membrane 12 to the water collecting pipe 13; an opening 16a opening at one end of the pressure vessel 16 and communicating to the water collecting pipe 13; and a sealing unit 22 sealing the opening 16a, wherein a measurement unit 23 introduced from the opening 16a into the water collecting pipe 13, moving with the flow of the permeated water 14 passing in the water collecting pipe 13, and measuring the electric conductivity of the permeated water 14 is used.
    • 要解决的问题:提供一种可以容易地指定性能劣化的反渗透膜元件的反渗透膜脱盐装置及其检查方法。 解决方案:检查方法用于反渗透膜脱盐装置1,其包括:近圆柱形压力容器16; 两个或更多个大致圆形的集水管13串联连接并且在压力容器16的内部以大致同心的形状设置; 在每个集水管13的外周设置反渗透膜元件15,具有反渗透膜12和通过使供水11将反渗透膜12穿透到集水管13而获得的导入渗透水14; 在压力容器16的一端开口并与集水管13连通的开口16a; 以及密封单元22,密封开口16a,其中从开口16a引入集水管13的测量单元23随着通过集水管13的渗透水14的流动而移动,并且测量电导率 使用渗透水14。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Reverse osmosis membrane desalination apparatus and inspecting method of the same
    • 反转膜式脱盐装置及其检测方法
    • JP2012130842A
    • 2012-07-12
    • JP2010283810
    • 2010-12-20
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • NAGAI MASAHIKOTAKEUCHI KAZUHISAMATSUI KATSUNORI
    • C02F1/44B01D61/10B01D63/12B01D65/10
    • Y02A20/131Y02A20/144
    • PROBLEM TO BE SOLVED: To provide a reverse osmosis membrane desalination apparatus in which a reverse osmosis membrane element having deteriorated in performance can be specified even during operation of the desalination apparatus and to provide a method of inspecting the reverse osmosis membrane desalination apparatus.SOLUTION: The reverse osmosis membrane desalination apparatus includes a reverse osmosis membrane module 17 which has spiral type reverse osmosis membrane elements 15 (15-1 to 15-6) for obtaining transmitted water 14 from a center water collection pipe 13 by supplying supply water (raw water) 11 to a spiral reverse osmosis (RO) membrane 12, which are connected together in series by connection parts 16a and stored in a cylindrical pressure container 16, and a detection insertion tool 20 provided to one end 13a of the water collection pipe 13 of the reverse osmosis membrane module 17 through ball valves 18A, 18B, and the detection insertion tool 20 includes a hole part 21 for detection pipe, which has an axis aligned with the center axis of the water collection pipe 13, a flexible insertion detection pipe 22 which can be freely inserted into and extracted from the hole part 21, and an O ring 23 as a sealing part for sealing the insertion detection pipe 22.
    • 要解决的问题:提供一种反渗透膜脱盐装置,其中即使在脱盐装置的操作中也可以规定性能劣化的反渗透膜元件,并且提供一种检查反渗透膜脱盐装置的方法 。 反渗透膜脱盐装置包括反渗透膜组件17,该反渗透膜组件17具有螺旋型反渗透膜元件15(15-1至15-6),用于通过供应从中心采水管13获得透水14 将水(原水)11供给螺旋反渗透膜(RO)膜12,它们通过连接部分16a串联连接在一起,并存储在圆柱形压力容器16中;以及检测插入工具20,其设置在 反渗透膜组件17的集水管13通过球阀18A,18B和检测插入工具20具有检测管孔部21,其具有与集水管13的中心轴对齐的轴线, 弹性插入检测管22,其能够自由地插入到孔部21中并从孔部21取出;以及O形环23,作为用于密封插入检测管22的密封部。版权所有(C)2012,JPO&IN 坑
    • 8. 发明专利
    • Desalination apparatus and method of washing the same
    • 脱盐装置及其洗涤方法
    • JP2010207748A
    • 2010-09-24
    • JP2009058070
    • 2009-03-11
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • KAKIUE HIDEMASAITO YOSHIAKITAKEUCHI KAZUHISAMATSUI KATSUNORIIWAHASHI HIDEO
    • B01D61/12B01D61/06B01D61/58B01D65/02C02F1/44
    • C02F1/441B01D61/025B01D61/04B01D61/06B01D61/12B01D61/58B01D65/02B01D2311/04B01D2321/04C02F2103/08C02F2303/10Y02A20/131Y02W10/30B01D2311/2649
    • PROBLEM TO BE SOLVED: To provide a desalination apparatus capable of eliminating the suspension layer of a reverse osmosis membrane without stopping the operation of desalination and continuing the desalination, and a method of washing the desalination apparatus. SOLUTION: The desalination apparatus includes: a pretreatment apparatus 13 provided with a pretreatment membrane 12 for filtering a suspended matter portion in raw water 11; a reverse osmosis membrane apparatus 17 provided with the reverse osmosis membrane 16 for removing a salt content from filtered water 14 from the pretreatment apparatus 13 and producing permeated water 15; a first control valve 31 for temporarily lowering the supply pressure of the filtered water between a high pressure pump 21 interposed in a filtered water line 23 for supplying the filtered water 14 from the pretreatment apparatus 13 to the reverse osmosis membrane apparatus 17 and the reverse osmosis membrane apparatus 17; and a controller 30 for operating the first control valve 31 and performing suck-back control of executing the operation of lowering the pressure of the entrance of the reverse osmosis membrane apparatus 17 in terms of pulses during the operation. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种能够消除反渗透膜的悬浮层而不停止脱盐操作并持续脱盐的脱盐装置,以及洗脱脱盐装置的方法。 解决方案:脱盐装置包括:预处理装置13,其具有用于过滤原水11中的悬浮物部分的预处理膜12; 设置有反渗透膜16的反渗透膜装置17,用于从预处理装置13除去来自过滤水14的盐含量并产生渗透水15; 第一控制阀31,用于暂时降低插入在从预处理装置13向反渗透膜装置17供给过滤水14的过滤水管线23的高压泵21之间的过滤水的供给压力,以及反渗透 膜装置17; 以及用于操作第一控制阀31的控制器30,并且执行对操作期间的脉冲方面的降低反渗透膜装置17的入口压力的操作的吸回控制。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Drinking water manufacturing apparatus and manufacturing method of drinking water
    • 饮用水生产设备和饮用水的制造方法
    • JP2008043868A
    • 2008-02-28
    • JP2006221089
    • 2006-08-14
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • TAKEUCHI KAZUHISAITO YOSHIAKIIWAHASHI HIDEOMATSUI KATSUNORIKISHI MASAHIROHORI TAKAYOSHI
    • C02F1/44B01D61/58C02F1/20C02F1/68C02F9/00
    • PROBLEM TO BE SOLVED: To provide a low cost drinking water manufacturing apparatus which does not supply carbon dioxide (CO 2 ) from the outside and can increase hardness in permeating water, and a manufacturing method of drinking water. SOLUTION: The drinking water manufacturing apparatus 10A comprises a reverse osmosis membrane device 15 having a reverse osmosis membrane (RO membrane) 14 separating sea water 11 into the permeating water 12 and concentrated water 13, an acid supply part for the concentrated water 17-1 for supplying acid 16 to the concentrated water 13, a decarbonization tower 19 for recovering carbon dioxide (CO 2 ) 18 from the concentrated water 13 supplied with the acid 16, a carbon dioxide (CO 2 ) absorption tower 21 for absorbing the carbon dioxide (CO 2 ) 18 recovered in the decarbonization tower 19 to branched permeating water 12a partially extracted from the permeating water 12, and a hardness component elution filter 22 for eluting a hardness component into the permeating water 12, wherein the carbon dioxide (CO 2 ) 18 is recovered from the concentrated water 13 to use the recovered carbon dioxide (CO 2 ) 18 to make drinking water of the permeating water 12. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种从外部不提供二氧化碳(CO 2 )的低成本饮用水制造装置,并且可以提高渗透水的硬度,以及制造方法 饮用水。 饮用水制造装置10A包括反渗透膜装置15,该反渗透膜装置15具有将海水11分离成渗透水12和浓缩水13的反渗透膜(RO膜)14,浓缩水的酸供给部 用于向浓缩水13供给酸16的17-1,从供给酸16的浓缩水13回收二氧化碳(CO 2 )18的脱碳塔19,二氧化碳 SB> 2 吸收塔21,用于吸收从脱碳塔19中回收的二氧化碳(CO SB SB2)18,从分离出的渗透水12部分提取的分支渗透水12a, 用于将硬度成分洗脱到渗透水12中的组分洗脱过滤器22,其中从浓缩水13回收二氧化碳(CO 2 )18,以使用回收的二氧化碳(CO 2 )18,使渗透水的饮用水1 2.版权所有(C)2008,JPO&INPIT