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1. 发明专利

JPS6344998A ANAEROBIC TREATMENT DEVICE 失效
公开(公告)号：JPS6344998A
公开(公告)日：1988-02-25
申请号：JP18805786
申请日：1986-08-11
申请人： NIPPON BEET SUGAR MFG , KURITA WATER IND LTD
发明人： INOUE HIROSHI , KAWABE MINORU , SENBA YOSHIHIRO , SAITO YASUO , YAMAUCHI HIDEYO , ISHIKA TOSHIMASA
IPC分类号： C02F3/28 , C02F11/04
摘要： PURPOSE:To efficiently perform anaerobic treatment by burning the generating gas in a submerged combustion device to heat treated water and using this treated water to heat raw water. CONSTITUTION:Water contg. an organic substance is fed to a heat exchanger 8 by a pump 7 and heated. The mixed liquid of raw water and microorganism sludge is formed in a treating tank 1 to effect anaerobic treatment, and the organic substance contained in raw water is decomposed by the action of microorganism, whereby treated water is taken out through a pipe 5 of treated water. The treated water taken out is fed to a submerged combustion device 10 and heated and the temp. of raw water is raised by heating raw water with the heat exchanger 8 t effect anaerobic treatment. Thereby the treating efficiency can be enhanced.

2. 发明专利

JPS60235697A ANAEROBIC DIGESTION VESSEL 失效
公开(公告)号：JPS60235697A
公开(公告)日：1985-11-22
申请号：JP9112484
申请日：1984-05-09
申请人： NIPPON BEET SUGAR MFG , KURITA WATER IND LTD
发明人： INOUE HIROSHI , KAWABE MINORU , MAEKAWA KINJI , SENBA YOSHIHIRO , SAITOU YASUO , YOSHIMURA FUMITAKA , KITAGAWA MIKIO , NUNOME ATSUSHI , ISHIKA TOSHIKATSU
IPC分类号： C02F3/28 , C02F11/04
摘要： PURPOSE:To prevent the agitation of a liquid mixture in a digestion vessel due to the ascension of generated gas and to prevent the deterioration of a treated liquid due to the breakage of flocs and a decrease in the digestion efficiency due to the mixing of bacteria by collecting the generated gas in the liquid, and liberating the gas in the vicinity of the liquid surface. CONSTITUTION:Untreated liquid supply means 2 and 3, a digestion vessel 1 having a treated liquid takeout means 4 and a gas takeout means 5, gas collecting means 14a and 14b arranged in a liquid and used for collecting generated gas in the digestion vessel 1, and vent pipes 15a and 15b whose leading end is opened in the vicinity of the liquid surface to liberate the collected gas are provided. Since the generated gas is collected and liberated in the vicinity of the liquid surface in this way, the agitation of the liquid mixture due to the ascension of the generated gas is prevented, and the deterioration of the treated liquid due to the breakage of flocs and a decrease in the digestion efficiency due to the mixing of bacteria can also be prevented. Accordingly, the anaerobic digestion can be efficiently carried out.

3. 发明专利

JPS61174995A ANAEROBIC DIGESTION VESSEL 失效
公开(公告)号：JPS61174995A
公开(公告)日：1986-08-06
申请号：JP1514285
申请日：1985-01-29
申请人： NIPPON BEET SUGAR MFG , KURITA WATER IND LTD
发明人： INOUE HIROSHI , KAWABE MINORU , SENBA YOSHIHIRO , SAITO YASUO , YOSHIMURA FUMITAKA , ISHIKA TOSHIKATSU
IPC分类号： C02F3/28
摘要： PURPOSE:To reduce the intrusion of a gas into a solid-liq. separation part and to prevent the mixing of sludge into the treated liq. by providing a gas collecting part above the digestion reaction part in a digestion vessel so that the solid-liq. separation part is separated and further furnishing plural inclined plates to the solid-liq. separation part. CONSTITUTION:A digestion reaction part 6 is provided in a digestion vessel 1 having an untreated liq. supply means 2 at the lower part and a treated liq. discharge means 4 at the upper part, a gas collecting part 8 is provided above the digestion reaction part 6 so that a solid-liq. separation part 7 is separated, and plural inclined plates 11 are provided to the solid-liq. separation part 7. Consequently, the intrusion of a gas into the solid-liq. separation part 7 is reduced, the gas intruding into the solid-liq. separation part 7 is removed to increase the solid and liq. separability, and the mixing of sludge into the treated liq. can be prevented.

4. 发明专利

JPS62163797A ANAEROBIC TREATING DEVICE 失效
公开(公告)号：JPS62163797A
公开(公告)日：1987-07-20
申请号：JP473786
申请日：1986-01-13
申请人： NIPPON BEET SUGAR MFG , KURITA WATER IND LTD
发明人： INOUE HIROSHI , KAWABE MINORU , SENBA YOSHIHIRO , SAITO YASUO , ISHIKA TOSHIKATSU , YOSHIMURA FUMITAKA
IPC分类号： C02F3/28
摘要： PURPOSE:To prevent the generation of scum and the leakage of SS into treated water and to sufficiently return sludge by regulating the gas pressure of a gas collecting chamber to maintain the inflow into a solid-liq. separation part at a specified value, and preventing the deposition of sludge at the solid-liq. separation part. CONSTITUTION:In the anaerobic treating device, especially a sludge blanket type device, the first partition plate 3 inclined at an angle of about 45 deg. from one side on the liq. level and the second partition plate 4 crossing the plate 3 on the opposite side are provided at the upper part of a digestor vessel 1, and a sludge passage 5 is formed at the lower part. A solid-liq. separation part 6 is formed at the upper part of the digestion vessel 1 with the partition plates 3 and 4, a digestion part 7 is furnished at the lower part, the gas collecting chamber 15 is provided in an ascending passage 13 on the wall surface side of the partition plate 4, and the gas pressure is regulated by a regulating means. Consequently, the liq. level is controlled, the separability at the solid-liq. separation part 6 is improved, sludge is not deposited, scum is not generated, and the leakage of SS into treated water is controlled.

5. 发明专利

JPH0559797B2 失效
公开(公告)号：JPH0559797B2
公开(公告)日：1993-08-31
申请号：JP18805586
申请日：1986-08-11
申请人： NIPPON BEET SUGAR MFG , KURITA WATER IND LTD
发明人： INOE HIROSHI , KAWABE MINORU , SENBA YOSHIHIRO , SAITO YASUO , YOSHIMURA FUMITAKA , ISHIKA TOSHIKATSU
IPC分类号： C02F3/28 , C02F11/04

6. 发明专利

JPS6344999A ANAEROBIC TREATING DEVICE 失效
公开(公告)号：JPS6344999A
公开(公告)日：1988-02-25
申请号：JP18805886
申请日：1986-08-11
申请人： NIPPON BEET SUGAR MFG , KURITA WATER IND LTD
发明人： INOUE HIROSHI , KAWABE MINORU , SENBA YOSHIHIRO , SAITO YASUO , YAMAUCHI HIDEYO , ISHIKA TOSHIMASA
IPC分类号： C02F3/28
摘要： PURPOSE:To prevent the generation of scum by adding a scum preventive composed of a nonionic surface active agent to organic waste water and subjecting it to anaerobic treatment. CONSTITUTION:Raw water 5 is fed to a reaction tank 1 together with a scum preventive 6 and mixed with sludge contg. anaerobic bacteria in a reaction part 2 and subjected to anaerobic treatment to decompose an organic substance contained in raw water. Then one part of the mixed liquid is introduced into a solid-liquid separating part 3 to perform solid-liquid separation and the separated liquid 7 is furthermore subjected to solid-liquid discharged as treated water 8 and the solid content is returned to the reaction part 2 as return sludge 9. Thereby the generation of scum is prevented and anaerobic treatment can be efficiently performed.

7. 发明专利

JPS60235696A ANAEROBIC DIGESTION VESSEL 失效
公开(公告)号：JPS60235696A
公开(公告)日：1985-11-22
申请号：JP9112384
申请日：1984-05-09
申请人： NIPPON BEET SUGAR MFG , KURITA WATER IND LTD
发明人： INOUE HIROSHI , KAWABE MINORU , MAEKAWA KINJI , SENBA YOSHIHIRO , SAITOU YASUO , YOSHIMURA FUMITAKA , KITAGAWA MIKIO , NUNOME ATSUSHI , ISHIKA TOSHIKATSU
IPC分类号： C02F3/28 , C02F11/04
摘要： PURPOSE:To carry out efficient anaerobic digestion with a small setting area by providing two partition plates at the upper part of a digestion vessel to separate the vessel into a liquid mixture part consisting of an ascending part and a descending part, and providing a rectifying plate extending from the lower part of the solid-liquid separation part to the liquid mixture part. CONSTITUTION:A digestion vessel 1 having an untreated liquid inflow part 2 at the bottom, a partition plate 3 extending from above the liquid surface of the vessel 1 into the liquid and separating the upper part of the vessel 1 into a solid-liquid separation part 5 and a hermetic liquid mixture part 4, a treated liquid pipe 14 communicating with the upper part of the solid- liquid separation part, and a gas discharge pipe 15 communicating with the upper part of the liquid mixture part are provided. And a partition plate 6 whose upper end is situated under the liquid surface of the liquid mixture part, whose lower part is inclined downward while keeping an interval from the leading end of the partition plate 3 and extends to the lower part of the solid-liquid separation part, and which separates the liquid mixture part into an ascending part 7 and a descending part 8, and a rectifying plate 10 are provided. Namely, the flow of generated gas into the solid-liquid separation part is prevented, and the sludge settled at the solid-liquid separation part is returned to the digestion part by utilizing a spiral flow of the generated gas. Accordingly, the anaerobic digestion is efficiently carried out with a small setting area.

8. 发明专利

JPS6342798A ANAEROBIC TREATMENT DEVICE 失效
公开(公告)号：JPS6342798A
公开(公告)日：1988-02-23
申请号：JP18805686
申请日：1986-08-11
申请人： NIPPON BEET SUGAR MFG , KURITA WATER IND LTD
发明人： INOUE HIROSHI , KAWABE MINORU , SENBA YOSHIHIRO , SAITO YASUO , YAMAUCHI HIDEYO , ISHIKA TOSHIMASA
IPC分类号： C02F3/28 , C02F11/04
摘要： PURPOSE:To improve thermal efficiency, to permit the heating up meeting a produced gas and to simplify a device and the maintenance thereof by burning the produced gas by an in-liquid combustion device to heat up raw water and aerating the heated up raw water. CONSTITUTION:Org. matter-contg. water is introduced into a treatment tank 1 and is subjected to an anaerobic treatment. The produced gas in the treatment tank 1 is burned in the liquid in the in-liquid combustion device 7. The raw water is heated up by the device 7 and is supplied to the tank 1 in the raw water supply devices 4, 7-10. The raw water heated up by the device 7 is aerated in an aeration device 8. The produced gas is supplied from the tank 1 to the device 7 in gas supply devices 6, 16-29. As a result, the thermal efficiency in high and the heating up meeting the produced gas is possible. The effects of simplifying the device and the maintenance thereof, eliminating the hindrance to the anaerobic treatment and improving the treatment efficiency are obtd. as well.

9. 发明专利

JPS6342797A ANAEROBIC TREATMENT DEVICE 失效
公开(公告)号：JPS6342797A
公开(公告)日：1988-02-23
申请号：JP18805586
申请日：1986-08-11
申请人： NIPPON BEET SUGAR MFG , KURITA WATER IND LTD
发明人： INOUE HIROSHI , KAWABE MINORU , SENBA YOSHIHIRO , SAITO YASUO , YOSHIMURA FUMITAKA , ISHIKA TOSHIMASA
IPC分类号： C02F3/28 , C02F11/04
摘要： PURPOSE:To improve thermal efficiency, to permit the heating up meeting a produced gas and to simplify a device and the maintenance thereof by burning the produced gas by an in-liquid combustion device to heat raw water. CONSTITUTION:Org. matter-contg. water is introduced into a treatment tank 1 and is subjected to an anaerobic treatment. The produced gas in the treatment tank 1 is burned in the liquid in the in-liquid combustion device 7. The raw water is heated up by the device 7 and is supplied to the treatment tank 1 in the raw liquid supply devices 4, 7...9. The produced gas is supplied from the tank 1 to the device 7 in gas supply devices 6, 16-29. More specifically, the produced gas is burned by the in-liquid combustion device to heat the raw water; therefore, the thermal efficiency is high and the heating up meeting the produced gas is possible. The effect of simplifying the device and the maintenance thereof is obtd. as well.

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