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1. 发明专利

JPH054019A DEODORIZING METHOD AND DEVICE 失效
公开(公告)号：JPH054019A
公开(公告)日：1993-01-14
申请号：JP15635091
申请日：1991-06-27
申请人： KAWASAKI STEEL CO , DAIKI KK
发明人： KAWASAKI KIYOTAKE , YASUI TAKAYUKI , IZUMI TADAYUKI , INOUE HIROKI , MURAKAMI YOICHI
IPC分类号： B01D53/38 , B01D53/34 , B01D53/81
摘要： PURPOSE:To obtain the deodorizing method and device which form a deodorant mixture composed of earthworm excreta earth and granular active carbon and can remove even the malodorous components which are relatively hardly removable by passing gases before deodorization through this deodorant mixture. CONSTITUTION:While the gases contg. the bad odors via a suction pipe 4 pass vent holes 8a of a perforated plate 8, the gases pass among grains 10 and the inside of the layer of the deodorant 12, the malodorous components are removed by the earthworm excreta earth and the granular active carbon. The gases are then discharged from the upper part of a box body 2 to the outside. The earthworm excreta earth tends to solidify on long-term use but since the deodorant 12 is formed by mixing the earthworm excreta earth and the granular active carbon, the deodorant hardly solidifies. The air permeability is thus assured and the deodorizing effect is continued. Then, even the malodorous components which are relatively hardly removed by the earthworm excreta earth are adsorbed and removed to and by the granular active carbon. The gases contg. the various combined components are thus effectively deodorized and the high deodorizing capacity to various smells is exhibited.

2. 发明专利

JPH054020A DEODORIZING DEVICE 失效
公开(公告)号：JPH054020A
公开(公告)日：1993-01-14
申请号：JP15635191
申请日：1991-06-27
申请人： KAWASAKI STEEL CO , DAIKI KK
发明人： YASUI TAKAYUKI , KAWASAKI KIYOTAKE , IZUMI TADAYUKI , INOUE HIROKI , MURAKAMI YOICHI
IPC分类号： B01D53/38 , B01D53/34 , B01D53/81
摘要： PURPOSE:To obtain the deodorizing device which is small in floor area by vertically stacking deodorizing units having deodorants essentially consisting of earthworm excreta earth in plural stages and distributing gases before deodorization to the deodorizing units, thereby deodorizing the gases. CONSTITUTION:The deodorants 13, 23, 33, 43 essentially consisting of the earthworm excreta earth are the earthworm excreta earth alone or the earthworm excreta earth incorporated with foamed pearlite, zeolite, granular active carbon, etc., in order to improve air permeability. The gases contg. malodorous components are supplied via a suction pipe 62 by a fan 61 into the deodorizing device and are distributed and supplied to suction spaces 11, 21, 31, 41 of the deodorizing units 10, 20, 30, 40 of lower 4 stages by a distributing pipe 63. The gases are passed through the respective deodorants 13, 23, 33, 43, by which the gases are deodorized. The gases are then gathered by a gathering pipe 64 and are supplied to the suction space 51 of the deodorizing unit 50 of the uppermost stage and are further completely deodorized by the active carbon 53. The gases are thereafter discharged from a discharge port 55 to the outside. The deodorizing device which is compact as a whole is thus obtd.

3. 发明专利

JPH054018A BIOLOGICAL DEODORIZING METHOD 失效
公开(公告)号：JPH054018A
公开(公告)日：1993-01-14
申请号：JP15633191
申请日：1991-06-27
申请人： KAWASAKI STEEL CO , DAIKI KK
发明人： YASUI TAKAYUKI , KAWASAKI KIYOTAKE , IZUMI TADAYUKI , INOUE HIROKI , MURAKAMI YOICHI
IPC分类号： B01D53/38 , B01D53/34 , B01D53/81
摘要： PURPOSE:To obtain the method which maintains the pH optimum for the growth and activity of microorganisms and does not degrade a biological deodorizing capacity by previously mixing a granular alkaline agent into a deodorant and neutralizing the hydrogen ions formed by a bio-oxidation reaction. CONSTITUTION:The deodorant 3 which is supported by a lower supporting material 2 and an upper supporting material 5, consists essentially of earthworm excreta earth and is incorporated with a granular alkaline agent 4 is packed into a deodorizing device 1. This device consists also of a water sprinkling device 6 for replenishing water in order to maintain the moisture to permit the growth of the microorganisms and a control valve 7 and deodorizes gases 8 to be treated. The pH of the deodorant 3 is maintained always in the pH region optimum for the microorganisms and there is no need for frequency packing of the packed bed. The replenished water is discharged from a drain pipe 9. Sodium bicarbonate, sodium carbonate, etc., are properly selected and used for the kind of the granular alkaline agent. The grain sizes thereof are not particularly limited and are about 3 to 7mm.

4. 发明专利

JPH0924373A TREATMENT OF WATER CONTAINING ORGANIC MATTER AND WASTE WATER TREATING DEVICE 失效
公开(公告)号：JPH0924373A
公开(公告)日：1997-01-28
申请号：JP17622295
申请日：1995-07-12
申请人： KAWASAKI STEEL CO
发明人： UCHINO KAZUHIRO , YASUI TAKAYUKI
IPC分类号： B01D65/06 , C02F1/44
摘要： PROBLEM TO BE SOLVED: To effectively increase the amt. of water to be permeated through a membrane and to suppress the decrease thereof with lapse of time by adding a ceramic powder to a mixed soln. contg. a formed sludgy reactant, fluidizing the mixture and cleaning the surface of the membrane with the ceramic powder in the liq. mixture. SOLUTION: The original waste water contg. org. matter is introduced into a regulating tank 21 and then supplied to a bioreactor 22. The org. matter contained in the waste water is oxidized and decomposed with the aerobe in an oxygen-contg. gas from a blower 23a to form a mixed soln. contg. a sludgy reactant, and a ceramic powder is supplied to the soln. from a powder feeder 29. The secondary side of a membrane module in a membrane separator 27 in the mixed soln. is sucked by a vacuum pump 28 and evacuated, and treated water is obtained as the water permeated through the membrane. At this time, since the ceramic grain is fluidized at all times, the membrane surface is ground and cleaned, and the deposition of an org. high molecular substance on the membrane surface is suppressed.

5. 发明专利

JPH08281298A OIL ADSORBENT CONSISTING OF ORGANIC SLUDGE, TREATMENT OF SLUDGE USING THE ADSORBENT AND DEVICE THEREFOR 失效
公开(公告)号：JPH08281298A
公开(公告)日：1996-10-29
申请号：JP8360395
申请日：1995-04-10
申请人： KAWASAKI STEEL CO
发明人： SAITO ISAO , UCHINO KAZUHIRO , YASUI TAKAYUKI , NAKANO SHOZABURO
IPC分类号： C02F11/00 , B01J20/20 , C02F11/12
摘要： PURPOSE: To dehydrate an org. sludge to the level where the sludge is spontaneously burned and to remove the oil in the desorbed liq. by dehydrating and carbonizing the org. sludge, adding the carbonized sludge grain having a specified diameter to an oil-contg. sludge, dehydrating the sludge, discharging the desorbed liq. and incinerating the dehydrated sludge. CONSTITUTION: An oil-contg. org. sludge (a) and a carbonized sludge grain (d) from its feeder 6 are mixed in a mixer 2, and the mixture is dehydrated in a dehydrator 3. Further, at least a part of the dehydrated cake (b) is supplied to a sludge carbonizer 4 and carbonized. The carbonized sludge (c) is crushed and screened by a crushing and screening device 5, and the carbonized sludge grains (d) having

6. 发明专利

JPH0412080A HIGH-TEMPERATURE AND HIGH-SPEED FERMENTATION DEVICE 失效
公开(公告)号：JPH0412080A
公开(公告)日：1992-01-16
申请号：JP11047690
申请日：1990-04-27
申请人： KAWASAKI STEEL CO
发明人： KAWASAKI KIYOO , HAYAKAWA MASAHIRO , YASUI TAKAYUKI
IPC分类号： C12M1/00 , B09B3/00 , C05F5/00
摘要： PURPOSE:To efficiently treat a raw material difficult to ferment by combining a fermentation tank with a rotating and agitating blade and perforated burner so as to carry out a specific action. CONSTITUTION:An agitating blade 2 is provided in a fermentation tank 1 in which a fermentation raw material 4 is retained and simultaneously a perforated burner 3 capable of jetting much flame downward and air tube 4 provided with a number of jetting holes downward are arranged in the space above the raw material 4 in the raw material tank 1. The raw material 4 is charged from a charge inlet and discharged from an outlet. The charge and discharge can be carried out even in either system of continuous system and batch system. In the batch system, e.g. the fermentation tank 1 has a lid and is constituted so as to be able to incline in order to discharge. In the perforated burner, combustion amount can be freely controlled. The perforated burner provides heat to the raw material 4 quickly on a average. Thereby the raw material can be heated in high efficiency.

7. 发明专利

JP2000314517A METHOD FOR TREATING WASTE 失效
公开(公告)号：JP2000314517A
公开(公告)日：2000-11-14
申请号：JP12369599
申请日：1999-04-30
申请人： KAWASAKI STEEL CO
发明人： SHIMIZU MASUHITO , MATSUZOE TAKESHI , FUKUI MASAYASU , YASUI TAKAYUKI , MURAKAMI MISAO
IPC分类号： F23G7/00 , F23G7/04
摘要： PROBLEM TO BE SOLVED: To obtain a method for treating waste containing a large quantity of moisture and utilizing the treated refuse as fuel or reducing agent by concen trating water separated from the waste and combusting it together with the waste, partially oxidizing/gasifying it under existence of a gas containing oxygen or distilling/carbonizing it. SOLUTION: Separation water standing in the bottom part of a pit for water containing refuse is heated and concentrated by means of a concentrator 30 disposed in a separation water treating unit to reduce a concentrated matter. The concentrated matter is fed to a combustor, a partially oxidizing/gasifying unit or a distilling/carbonizing unit, where it is combusted together with the refuse or partially oxidized or distilled/carbonized under coexistence with oxygen gas. Refuse containing a large quantity of moisture, e.g. sewage sludge or raw refuse, can be treated without lowering the capacity of a refuse treating facility and treated refuse can be utilized effectively as fuel or a reducing agent.

8. 发明专利

JPH105762A ACTIVATED SLUDGE PROCESS AND DEVICE THEREFOR 失效
公开(公告)号：JPH105762A
公开(公告)日：1998-01-13
申请号：JP16146696
申请日：1996-06-21
申请人： KAWASAKI STEEL CO
发明人： UCHINO KAZUHIRO , YASUI TAKAYUKI
IPC分类号： B01D65/02 , C02F1/44 , C02F1/78 , C02F3/20
摘要： PROBLEM TO BE SOLVED: To suppress a reduction of a membrane permeated water quantity with time due to an adhesion.deposition of a high polymer, etc., to a membrane module by subjecting a mixed soln. containing a slurry product formed in an aeration tank to an ozone treatment, then obtaining a treated water by subjecting this mixed soln. to a solid liq. separation with a membrane separating device. SOLUTION: When a raw waste water containing an org. material is supplied to an aeration tank 12 from a regulating tank 11, the org. material in the waste water is decomposed oxidatively with an aerobic bacteria working actively by aeration to an air sent from an air diffuser 14 and an activated sludge is formed. In this case, an ozone treating device 22 is connected to the aeration tank 12 with a piping, and after subjecting the mixed soln. (activated sludge) 15 containing the slurry product formed in the aeration tank 12 to the ozone treatment, the mixed soln. 15 is subjected to the solid-liq. separation with the membrane separating device 16. That is, a fibrous material inflowing from the raw waste water and preventing the membrane separation is decomposed and conveted into low molecule by the ozone treatment, and also sugars are reduced to reduce a viscosity of the mixed soln. 15 and the reduction of the membrane permeated water quantity with time is suppressed.

9. 发明专利

JPH08323382A TREATMENT OF WASTE WATER CONTAINING ORGANIC MATTER AND PHOSPHORUS 失效
公开(公告)号：JPH08323382A
公开(公告)日：1996-12-10
申请号：JP13490695
申请日：1995-06-01
申请人： KAWASAKI STEEL CO
发明人： UCHINO KAZUHIRO , YASUI TAKAYUKI
IPC分类号： C02F3/02 , C02F1/44 , C02F3/12
摘要： PURPOSE: To reduce the yield of sludge and to improve the rejection rate of phosphorus by dipping an active humic pellet in the mixed soln. in a bioreactor, dipping an iron hydroxide-base pellet at the same time and carrying out biological treatment while sucking the secondary side. CONSTITUTION: The raw waste water contg. org. matter and phosphorus is introduced into a regulating tank 41 and pretreated, as required. The waste water is then supplied to a bioreactor 42, the org. matter contained in the waste water is decomposed by oxidation by the aerobe activated by the air supplied from a blower 43, and a mixed soln. contg. sludgy reactant, i.e., activated sludge, is formed. The activated sludge is remarkably improved in solid-liq. separability and dewaterbility by contact with the active humic pellet 49 dipped in the mixed soln. in the bioreactor 42, and the phosphorus concn. of the treated water is drastically lowered by contact with an iron hydroxide-base pellet 40 dipped in the mixed soln. in the bioreactor 42 without increasing the generation of sludge.

10. 发明专利

JPH07178397A METHOD FOR DEHYDRATING ORGANIC SLUDGE 失效
公开(公告)号：JPH07178397A
公开(公告)日：1995-07-18
申请号：JP32843993
申请日：1993-12-24
申请人： KAWASAKI STEEL CO
发明人： YASUI TAKAYUKI , SAITO ISAO , UCHINO KAZUHIRO , MATSUZOE TAKESHI , FUKUDA KAZUMI
IPC分类号： C02F11/12 , C02F11/14
摘要： PURPOSE:To provide a method for dehydrating org. sludge which is applicable to a large-scale sewage treatment plant, night soil treatment plant, etc., by using a dehydration assistant which is easily available and has an extremely high dehydration effect. CONSTITUTION:The secondarily dehydrated cake obtd. by primary dehydration and further secondary dehydration of concentrated sludge 14 is subjected to a carbonization treatment in a box type furnace 16, by which the carbonated sludge is produced. This carbonated sludge is used as the dehydration assistant in a primary dehydrating stage and a secondary dehydrating stage.

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