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1. 发明专利

JPS63135231A METHOD FOR FIXING SYNTHETIC RESIN PRODUCT BY THERMAL WELDING 失效
公开(公告)号：JPS63135231A
公开(公告)日：1988-06-07
申请号：JP28165286
申请日：1986-11-28
申请人： ISHIKAWAJIMA HARIMA HEAVY IND
发明人： KAJITANI HITOSHI
IPC分类号： B29C65/02 , B29C37/00 , B29C65/56 , B29C65/72
摘要： PURPOSE:To prevent detachment of an adhesive member, by making the outer diameter of an insert end part somewhat larger than the inner diameter of a sleeve, and providing a notch groove to the halfway part of the sleeve, and melting the sleeve and the end part to insert the end part in the sleeve, and allowing a part of the melt to protrude in the notch groove to fix the sleeve and the end part. CONSTITUTION:When a groove 8 is provided to the sleeve 7 of a lower candle 3 constituted so as to insert the lower end part 2 of a central pipe 2 in the sleeve 7 and the lower end part of the central pipe 2 is thermally welded to the sleeve 7, the lower end part of the central pipe 2 and the sleeve 7 are heated to predetermined temp. to be melted and the lower end part of the central part 2 is inserted in the sleeve 7 of the lower candle 3 in a molten state. Since the inner diameter of the sleeve 7 is made somewhat smaller than the diameter of the lower end part of the central pipe 2, the lower end part of the central pipe 2 protrudes from the interior of the sleeve 7 and, when the protruding part 9 is solidified, said part functions as the protrusion member engaging with the groove 8 and, after thermal welding, the central pipe 2 is prevented from coming off from the sleeve 7 of the lower candle 3. Therefore, even when both products are insufficient in adhesion, they are prevented from coming out and off.

2. 发明专利

JPH10202017A FILTER HAVING VERTICAL CYLINDRICAL FILTER ELEMENT 失效
公开(公告)号：JPH10202017A
公开(公告)日：1998-08-04
申请号：JP910297
申请日：1997-01-22
申请人： ISHIKAWAJIMA HARIMA HEAVY IND
发明人： KAJITANI HITOSHI , HIEDA YASUSHI
IPC分类号： B01D29/13 , B01D29/50 , B01D29/66
摘要： PROBLEM TO BE SOLVED: To provide a filter having a vertical cylindrical filter element of simple construction having a deposit removing function suitable for kinds of deposits. SOLUTION: A vertical cylindrical body having many openings is installed in a pressure vessel. A filter cloth 12 is provided on the outer surface of the vertical cylindrical body. Pressurized original liquid is fed into the pressure vessel and filtrate is taken out from in the vertical cylindrical body. A deposit on the filter cloth 12 is dried and pressurized air is fed into into the vertical cylindrical body to separate it. In this filter having the vertical cylindrical filter element, the filter cloth 12 provided on the outer surface of the vertical cylindrical body is pressed by plural bands 13 arranged at spaced intervals.

3. 发明专利

JPH03288501A RECOVERING PROCESS FOR COMPONENT REMAINING IN CAKES 失效
公开(公告)号：JPH03288501A
公开(公告)日：1991-12-18
申请号：JP8889590
申请日：1990-04-03
申请人： ISHIKAWAJIMA HARIMA HEAVY IND
发明人： KAJITANI HITOSHI , FUSENOBU TAROU , TSUNEZUMI YOSHIHIRO
IPC分类号： B01D3/00 , B01D3/10 , B01D11/02
摘要： PURPOSE:To recover residual component efficiently without generating condensation of the low boiling point component by pressure reducing and evaporating the component having boiling point lower than that of extracted water while hot water is circulated in cakes, condensing and recovering said vapor component. CONSTITUTION:When a component H (example: normal hexane) extractable by hot water C and having the boiling point lower than that of water is recovered from cakes B, the component H is extracted into the hot water C by heat circulating the hot water E of a water tank 19 in the cakes B inside a filter 17, and simultaneously the circulating hot water C is returned to the hot water tank 19. Then, the hot water E in the hot water tank 19 is reduced in its pressure to the pressure level with which the component H can be evaporated by a vacuum suction device 26, and the component H is evaporated. Said evaporated component H is agglomerated by a condenser 25 and recovered. As a result, the residual component H (example: normal hexane) in the cakes can be extracted and recovered efficiently by using the hot water causing no deterioration of a component I to be recovered (Example: oil content).

4. 发明专利

JPH0747204A APPARATUS FOR FILTRATION AND METHOD THEREFOR 失效
公开(公告)号：JPH0747204A
公开(公告)日：1995-02-21
申请号：JP19656793
申请日：1993-08-09
申请人： ISHIKAWAJIMA HARIMA HEAVY IND
发明人： FUSENOBU TAROU , KAJITANI HITOSHI , IMAOKA TAKASHI
IPC分类号： B01D29/13 , B01D29/62
摘要： PURPOSE:To provide an apparatus and a method for filtration wherein the amt. of residue of a stock soln. can be made almost zero and only solid material can be separated from the stock soln. and taken out, and the inside can be cleaned with a small amt. of cleaning liq. and the process from the filtration process to the removing and cleaning processes of the solid material can be completely automated. CONSTITUTION:This filtration apparatus consists of a hollow closed container 16 with a stock soln. inlet pipe 12 for introducing a stock soln. A and a solid material removing pipe 14 for removing a solid material S in the stock soln., a filtration container 18 provided in the closed container and with an opened upper part and a flexible filter fabric 20 whose outer peripheral part is fixed on the upper edge of the filtration container. In addition, a filtrate removing pipe 19 for removing a filtrate B obtd. by filtration of the stock soln. is provided in the filtration container 18 and the filtrate removing pipe penetrates water- tightly the closed container and the filter fabric 20 is movably arranged between a filtration position L positioned at the inside of the filtration container 18 and a reversely turned position H reversely turned upward from the filtration position L and making a projected angle above the filtration container.

5. 发明专利

JPH11300115A SLURRY SEPARATION METHOD AND DEVICE THEREFOR 失效
公开(公告)号：JPH11300115A
公开(公告)日：1999-11-02
申请号：JP11514098
申请日：1998-04-24
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , TOSHIBA CERAMICS CO
发明人： KAJITANI HITOSHI , HARADA TERUO , KUBO KO , KIMURA YUKISHIGE , KATO YOSHIHISA , OGAWA TAKASHI , NAGAO YUKIHIKO , OSHIMA KAZUYUKI
IPC分类号： B01D29/25 , B01D29/37 , B01D35/22 , H01L21/304
摘要： PROBLEM TO BE SOLVED: To effectively separate slurry into fine particle flakes, which can be reused, and liquid by a compact device by constituting the device so that its strong point is practically used. SOLUTION: In this slurry separation method for separating fine particle mixed slurry into fine particle flakes and liquid, after slurry is led to a ceramic filter 6 to separate it into clean liquid 7 and concentrated slurry 8, the concentrated slurry 8 is led to a centrifuge 12 to continuously separate it into fine particle flakes 13 and separated liquid 14. In the prestage of the ceramic filter 6, slurry may be separated into slurry of high concentration and slurry of medium concentration to feed the separated slurry of high concentration to the centrifuge 12 and also to feed the slurry of medium concentration to the ceramic filter 6 and then to feed the concentrated slurry separated by the ceramic filter 6 to the centrifuge 12.

6. 发明专利

JP2001120964A METHOD FOR PREVENTING CLOGGING OF MEMBRANE FILTER AND DEVICE FOR THE SAME 失效
公开(公告)号：JP2001120964A
公开(公告)日：2001-05-08
申请号：JP30222699
申请日：1999-10-25
申请人： ISHIKAWAJIMA HARIMA HEAVY IND
发明人： KIMURA YUKISHIGE , OKADA TOMOHISA , KAJITANI HITOSHI
IPC分类号： B01D65/02 , B01D21/01 , B01D65/08 , C02F1/44 , C02F1/52
摘要： PROBLEM TO BE SOLVED: To maintain the filtration speed of a membrane filter and to easily wash the membrane filter by changing the grain size of the suspended matter in a treating liquid during filtration, thereby preventing the clogging of the membrane filter. SOLUTION: In the method for preventing the clogging of the membrane filter by feeding compressed air to the membrane filter 5, backflow washing the membrane filter 5 and simultaneously discharging a concentrated liquid 7, a flocculating agent C is added to the treating liquid R to be treated by the membrane filter 5 and the treating liquid R regulated by the flocculating agent C is subjected to filtration separation by the membrane filter 5.

7. 发明专利

JPH07241493A CENTRIFUGAL SEPARATOR 失效
公开(公告)号：JPH07241493A
公开(公告)日：1995-09-19
申请号：JP3253194
申请日：1994-03-02
申请人： ISHIKAWAJIMA HARIMA HEAVY IND
发明人： FUSENOBU TAROU , KAJITANI HITOSHI , MATSUKI HIROYUKI
IPC分类号： B04B3/04
摘要： PURPOSE:To provide a centrifugal separator capable of continuously treating a thin aggregate. CONSTITUTION:A drum 23 rotating coaxially with a basket is fitted in the basket 2 rotatably supported and lined with a screen 5 for centrifugally dehydrating a material to be treated, a scraper member 24 projecting outward in the radial direction is furnished to the outer face of the drum 23, and the interval between the tip of the member 24 and the inner face of the screen 5 is kept at such a magnitude that a dehydrated cake layer having a thickness (h) is formed on the inner face of the screen 5.

8. 发明专利

JPH04316978A CAKE DRYING DEVICE FOR FILTER 失效
公开(公告)号：JPH04316978A
公开(公告)日：1992-11-09
申请号：JP10850491
申请日：1991-04-12
申请人： ISHIKAWAJIMA HARIMA HEAVY IND
发明人： KAJITANI HITOSHI , IMAOKA TAKASHI , TSUNEZUMI YOSHIHIRO
IPC分类号： B01D36/00 , F26B21/00 , F26B25/00
摘要： PURPOSE:To permit the drying of cake while detecting the temperature of the cake under a condition that a filter is sealed as it is and prevent a temperature sensor from being damaged upon discharging the cake. CONSTITUTION:A temperature sensor 25 is attached to a disc 28 eccentrically so as to be capable of adjusting the up-and-down position of the sensor 25 by rotating the disc 28 when the sensor is attached to a filter 1. On the other hand, the temperature sensor 25 is attached to and/or detached from the filter 1 through a cylinder 33 so as not to bother the discharging work of sludge. A detecting signal from the temperature sensor 25 is sent to a controller 24 to control the supply of hot air 5 or heat medium 4 and effect the automatic drying while controlling the temperature of cake 3 under a condition that the filter 1 is sealed as it is whereby the cake 3 of solid fine particles, having good quality, can be separated from stock solution and dried.

9. 发明专利

JPS6223412A METHOD FOR REMOVING CLOGGING OF FILTERING MATERIAL FOR FILTER MACHINE 失效
公开(公告)号：JPS6223412A
公开(公告)日：1987-01-31
申请号：JP16352085
申请日：1985-07-24
申请人： ISHIKAWAJIMA HARIMA HEAVY IND
发明人： KAJITANI HITOSHI
IPC分类号： B01D29/46 , B01D29/62 , B01D29/66
摘要： PURPOSE:To easily and effectively perform washing while enhancing the washing effect of a filter material, by washing the filter material with water with temp. of 30 deg.C or less. CONSTITUTION:A filter material clogged by a vinyl chloride power and polyvi nyl alcohol is washed with water of temp. of 30 deg.C or less. Whereupon, because polyvinyl alcohol is well dissolved, the vinyl chloride fine powder also becomes easy to separate and washing effect is enhanced. That is, vinyl chloride waste water containing the vinyl chloride fine powder and polyvinyl alcohol is sent to a raw liquid tank 4 by a vinyl chloride waste water line 3 to be stored therein and sent into a filter tank 1 through a raw liquid injection line 6 by a filter pump 5 and filtered. A valve 11 is closed (while a valve 14 is kept closed) and a valve 12 is opened in such a state that the filter tank 1 is opened to atmospheric pressure and water with temp. of 30 deg.C is allowed to enter the inside (filtrate discharge side) of a filter material 2 by a water supply line 13 to perform backwashing.

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