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1. 发明专利

DE2524603A1 未知
公开(公告)号：DE2524603A1
公开(公告)日：1975-12-04
申请号：DE2524603
申请日：1975-06-03
申请人： KURITA WATER IND LTD
发明人： MISAKA YASUNAO , TANAKA IKUO , OKADA HIROO , GOTO CHUICHI , HIROTA MORIYUKI , UESUGI MASAAKI , TSUCHIYA MITSURU
IPC分类号： B01J8/00 , B01J8/04
摘要： Disclosed are improvements in and relating to a fluidized-bed type multistage solid-liquid contact apparatus which comprises a contact column incorporating therein a multiplicity of a spaced and horizontal support plates each carrying thereon a fluidized bed of solid particles and having a downcomer for communicating between the upper and lower sides of the plate, a storage tank for the liquid to be treated by contact with said layer of fluidized solid particles in said contact column, a storage tank for receiving the treated liquid and a storage tank for solid particles for use in said layers. In the improved fluidized-bed type multistage solid-liquid contact apparatus, the storage tank for solid particles is provided with a metering tank, the support plate in each stage is composed of one upper and one lower perforated plate and, in case where the downcomer is pierced through the support plate, the inside diameter of the tube is larger in the upper portion than in the lower portion and the forward end of the pipe used for delivering the solid particles to the contact column opens therein in a horizontal direction.

2. 发明专利

DE2702972A1 未知
公开(公告)号：DE2702972A1
公开(公告)日：1977-07-28
申请号：DE2702972
申请日：1977-01-25
申请人： KURITA WATER IND LTD
发明人： OKADA HIROO , HIROTA MORIYUKI , UESUGI MASAAKI
IPC分类号： B01D24/46 , B01D24/00 , B01D29/62 , B01D25/28
摘要： Disclosed herein is a method for cleaning a filter device packed with a bed of filtering grains, which cleaning is effected whenever the pressure loss in the filter device has increased to a prescribed level by first discharging the filtering grains through the upper side of the device in conjunction with a current of water, then circulating the filtering grains back into the device via the lower side thereof and giving the freshly formed bed of filtering grains a backwashing with water.

3. 发明专利

JPS61209006A HOLLOW YARN TYPE MEMBRANE SEPARATION APPARATUS 失效
公开(公告)号：JPS61209006A
公开(公告)日：1986-09-17
申请号：JP4642885
申请日：1985-03-11
申请人： KURITA WATER IND LTD
发明人： FURUKAWA MASAHIRO , HIROTA MORIYUKI
IPC分类号： B01D63/02
摘要： PURPOSE:To reduce the rising in filtering differential pressure in the removal of a suspended substance and to facilitate the recovery of filtering capacity by washing, by using a hollow yarn membrane of which the fractional MW is a specific range. CONSTITUTION:In a hollow yarn type membrane separation apparatus of a total amount filtering type external pressure filter system, a hollow yarn membrane 2 with a fractional MW of 30,000-260,000 is used. For example, water to be treated such as water containing a radioactive substance in an atomic power plant is injected in the treatment chamber 4 of a treatment tank under pressure and passed through the hollow yarn membrane 2 from the outside thereof by an external pressure filtering system to take out treated water from a water collection chamber 3. The water passing process is interrupted periodi cally or on occasion and the cake such as radioactive substance collected by the hollow yarn membrane 2 is washed and removed by flushing.

4. 发明专利

JPS6211515A FILTER FOR PARALLEL FLOW 失效
公开(公告)号：JPS6211515A
公开(公告)日：1987-01-20
申请号：JP15183685
申请日：1985-07-10
申请人： KURITA WATER IND LTD
发明人： SAWADA SHIGEKI , NAGAI SATORU , YOSHIMURA FUMITAKA , SHISHIDO MASAAKI , HIROTA MORIYUKI
IPC分类号： B01D29/17 , B01D29/25 , B01D29/37
摘要： PURPOSE:To facilitate and hasten exchange of a filter body and to make the constitution of a filter simpler, by installing freely insertibly into a casing a filter module prepd. by integrating by adhering filter bodies having interposing spacers heaped thereon. CONSTITUTION:Plural flat filter bodies 28 are heaped interposing spacers 30, 32, adhering each filter body 28 to each spacer 30, 32 to form one body. Obtd. integrated filter module 12 is inserted into a casing 10 freely insertibly and detachably. When unfiltered water is introduced into an introducing chamber 48 through an introducing port 20, the unfiltered water passes through a space above the filter body 28a, between the filter body 28b and 28c, and below the filter body 28d forming a U-shaped passage, reaching a discharging chamber 50, then discharged from a discharging port 22 to the outside of the casing 10, and is fed back, if necessary, to the introducing port 20 again. The water having passed through the filter bodies 28a-d is led to a permeated water discharging chamber 52 through a space between the filter body 28a and 28b, 28c and 28d. Then, the water is discharged to the outside of the casing 10 from a permeated water discharging port 24.

5. 发明专利

JPS61185372A APPARATUS FOR TREATING EXCRETION SEWAGE 失效
公开(公告)号：JPS61185372A
公开(公告)日：1986-08-19
申请号：JP2308185
申请日：1985-02-08
申请人： KURITA WATER IND LTD
发明人： ICHIYANAGI NAOTO , FURUICHI MITSUHARU , HIROTA MORIYUKI , SHISHIDO MASAAKI , MURAKAMI YASUNOBU , ISHII YASUHIKO , KAGI SHIGEKI
IPC分类号： C02F3/30 , B01D61/18 , B01D61/58 , C02F1/44 , C02F3/12 , C02F3/34 , C02F9/00 , C02F11/12
摘要： PURPOSE:To enhance the quality of treated water without lowering the amount of a transmitted liquid, by applying biological treatment to excretion sewage before successively treating the same by a precise filter apparatus and a loose reverse osmosis membrane separation apparatus. CONSTITUTION:Excretion is treated by a biological treatment means 1 and the treated solution is sent to a precoat type precise filter apparatus 3 from piping 2. The part not transmitted through the filter membrane of the precise filter apparatus 3 is returned to the biological treatment means 1 from piping 4 and the transmitted solution is set to a loose reverse osmosis membrane separation apparatus 6 equipped with a loose reverse osmosis membrane 6a from piping 5 to be highly conc. and the conc. solution is taken out from piping 7 to be sent to an evaporation or incineration process. The solution transmitted through the loose reverse osmosis permeable membrane 6a is discharged as treated water from piping 8. The component transmitted through the precise filter membrane among high-molecular components contained in the biologically treated solution is adhered to the surface of the loose reverse osmosis membrane 6a to form a coating layer and the COD concn. of the transmitted solution is extremely lowered by the action of said layer.

6. 发明专利

JPS5910316A Electromagnetic filter 失效
标题翻译：电磁过滤器
公开(公告)号：JPS5910316A
公开(公告)日：1984-01-19
申请号：JP11781482
申请日：1982-07-08
申请人： Kurita Water Ind Ltd
发明人： NUNOME ATSUSHI , HIROTA MORIYUKI
IPC分类号： B01D35/06 , B03C1/033
摘要： PURPOSE: To provide an electromagnetic filter of small power consumption and low running cost, by connecting a controlling means, used for changing the magnetic force of a magnetic material which is magnetized by an exciting coil, to the exciting coil.
CONSTITUTION: A perforated plates 2 made of magnetic materials are arranged at the upper and lower sides in the inside of a filtering tower 1 made of stainless steel plate, and steel balls and steel wire-nets made of magnetic materials are packed between the plates 2 to constitute a magnetic filter-layer 3. A return frame 4 is provided to the outside of the tower 1 by surrounding the layer 3, and an exciting coil 5 is arranged in the inside of the frame 4. A controlling means 7 is provided to the place between an electric power source 6 and the coil 5 to gradually enhance the intensity of an impressed magnetic field and stengthen a magnetic force by the controlling means 7 during running, that is, through the period of initial, intermediate, and final stages of water passing. The controlling means 7 is used for changing an electric current value to be supplied to the exciting coil stepwise or in a stepless state, or changing the number of turns of the exciting coil substantially.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：通过连接用于将由励磁线圈磁化的磁性材料的磁力改变为励磁线圈的控制装置，提供功耗小，运行成本低的电磁滤波器。构成：在由不锈钢板制成的过滤塔1的内侧的上侧和下侧设置由磁性材料制成的多孔板2，将由磁性材料制成的钢球和钢丝网填充在板2之间以构成磁性过滤层3.通过围绕层3将返回框架4设置到塔架1的外部，并且在框架4的内部布置有励磁线圈5.控制装置7设置成电源6和线圈5之间的位置，以逐渐增强外加的磁场的强度，并且通过控制装置7在运行期间，即通过初始阶段，中间阶段和最后阶段的期间来加强磁力水通过控制装置7用于逐步或无级地改变供给励磁线圈的电流值，或者基本上改变励磁线圈的匝数。

7. 发明专利

JPS57180413A ELECTROMAGNETIC FILTER 失效
公开(公告)号：JPS57180413A
公开(公告)日：1982-11-06
申请号：JP6367381
申请日：1981-04-27
申请人： KURITA WATER IND LTD
发明人： FURUKAWA MASAHIRO , KURITA EIICHI , HATSUTORI RIYOUJI , HIROTA MORIYUKI
IPC分类号： B01D35/06 , B03C1/034
摘要： PURPOSE:To obtain high gradient magnetic-flux density and to enhance washing effect, by using cut pieces of wire rods as a filtering material in a magnetic filter for treating waste water, containing magnetic bodies. CONSTITUTION:Filtering materials 4 consisting of cut pieces of wire rods are packed in a filtering tower 1 of an electromagnetic filter. Raw water such as waste water produced in steel industry is introduced from a liquid inlet and outlet port 7 and is filtered through a packed layer of the materials 4 by supplying electric current to an exiting coil 6, provided to the outside of the tower 1, to magnetize the mateial 4. Ferromagnetic SS and paramagnetic SS are captured satisfactorily with the aid of high magnetic-flux-density gradients produced by the concentration of magnetic flux at projected parts of the material 4, because the projected parts are formed by cutting the material 4. Treated water, after removing the SS components, is discharged from a liquid inlet and outlet port 8. Washing operation is performed by feeding reversed washing water to the port 8 to give the materials 4 fluid agitation in order to peel off the SS stuck to the material 4 and discharging the reversed washing water from the port 7.

8. 发明专利

JPH11169686A SPIRAL MEMBRANE MODULE 失效
公开(公告)号：JPH11169686A
公开(公告)日：1999-06-29
申请号：JP34320397
申请日：1997-12-12
申请人： KURITA WATER IND LTD
发明人： KAMIMURA KEIJI , SAWADA SHIGEKI , TAKADOI TADASHI , HIROTA MORIYUKI
IPC分类号： B01D61/08 , B01D61/18 , B01D63/10
摘要： PROBLEM TO BE SOLVED: To eliminate a water collecting pipe in a spiral membrane module of full flow filtration type to lessen the permeated water flow resistance. SOLUTION: In a bag like membrane 10 whose side parts 11, 12 and 13 are closed and whose side part 14 is open, a permeated water flow passage material 15 is inserted, and adhesives 16, 17 and 18 are adhered to the bag like membrane 10. The bag like membrane 10 is wound around a shaft 20. Raw water floes in from the front end face of the wound body and undergoes full flow filtration. The permeated water is taken out from an open part 30 of the rear end face of the wound body.

9. 发明专利

JPH10156354A MEMBRANE SEPARATOR FOR TREATING WATER 失效
公开(公告)号：JPH10156354A
公开(公告)日：1998-06-16
申请号：JP31784296
申请日：1996-11-28
申请人： KURITA WATER IND LTD
发明人： TAKADOI TADASHI , HIROTA MORIYUKI
IPC分类号： B01D65/02 , C02F1/44
摘要： PROBLEM TO BE SOLVED: To sufficiently restore the permeated water amt. by backwashing and to decrease the frequency of chemical cleanings in the separator provided with a means for backwashing the separation membrane in a membrane module by supplying backwashing water by adjusting the backwashing water pressure of the backwashing means in accordance with the permeation differential pressure of the membrane or the permeated water amt. SOLUTION: When a membrane module 4 receiving a flocculated liq. and discharging the permeated water through a pipeline 18 is backwashed, the permeated water in a pot 5 is boosted to a specified pressure by a compressor 6, etc., provided through an automatic pressure control valve 20 and returned to the module 4 to clean the membrane. In this case, the values detected by the pressure gages P-1 to P-3, thermometer T-1 and flow meter F-1 respectively provided to the raw water inlet 14 of the module 4, a circulating water outflow pipeline 16 and a permeated water discharge pipeline 15 are inputted to an arithmetic part 7. When the clogging of the membrane becomes serious, the control signal of the automatic pressure control valve 20 is emitted from a control part 8 to conduct backwashing with high backwashing pressure.

10. 发明专利

JPH08323350A MEMBRANE TREATING DEVICE FOR OIL-CONTAINING WASTE WATER 失效
公开(公告)号：JPH08323350A
公开(公告)日：1996-12-10
申请号：JP13659795
申请日：1995-06-02
申请人： KURITA WATER IND LTD
发明人： TAKADOI TADASHI , HIROTA MORIYUKI , CHIKASAWA KIYOHITO
IPC分类号： C02F1/44 , C02F1/28 , C02F1/52
摘要： PURPOSE: To prevent the deterioration of a membrane flux and to stabilize the flux over a long period of time. CONSTITUTION: After passing a waste water through an activated carbon tower 1, a flocculant is added at a reaction tank 2, and the waste water is subjected to a membrane separation treatment with a membrane module. In this way, an oil content in the waste water which a causes the deterioration of the flux of the membrane module is adsorbed and removed by bringing the waste water into contact with the activated carbon. The flux is stabilized over a long period of time by preventing the deterioration of the flux. A CODMn value in the waste water is reduced by adsorption and removal by the treatment of using the activated carbon and the CODMn of a treated water is reduced.

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