JP2001025651A5 - - Google Patents

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JP2001025651A5
JP2001025651A5 JP1999202903A JP20290399A JP2001025651A5 JP 2001025651 A5 JP2001025651 A5 JP 2001025651A5 JP 1999202903 A JP1999202903 A JP 1999202903A JP 20290399 A JP20290399 A JP 20290399A JP 2001025651 A5 JP2001025651 A5 JP 2001025651A5
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water
water supply
nitrogen gas
intake pipe
exhaust gas
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JP1999202903A
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Japanese (ja)
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JP4430758B2 (en
JP2001025651A (en
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Priority claimed from JP20290399A external-priority patent/JP4430758B2/en
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Publication of JP2001025651A5 publication Critical patent/JP2001025651A5/ja
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Description

以下、図1を参照して、SiO2、B2O3等の固形物を除去する操作について説明する。先ず、微細気泡発生装置の運転を止め、吸収液も抜いて固形物を除去する場合は、排ガス開閉弁18を閉として排ガス9の導入を停止した後、水−窒素切替弁20を操作して水供給手段16および16’に水を供給する。このとき、通常、開となっている窒素ガス開閉弁19はそのままの状態にして、水供給手段16から供給した水14が排ガス配管10に進入することのないよう圧力を保ちながら水14を供給する。SiO2、B2O3等の固形物が水に溶解したり水勢によって除去されたら、水の供給を停止し,その後、吸気管1および水供給配管15の乾燥を行う。吸気管1の乾燥は、窒素ガス12により行うが、短時間での乾燥を希望する場合、窒素ガス開閉弁19の開度を調節して、保安用の量よりも大量の窒素ガスを流すことにより行う。水供給配管15の乾燥は、水−窒素切替弁20を切替えて水供給配管15に窒素ガス17を流し、水供給手段16および16’から窒素ガスをパージすることにより行う。 Hereinafter, the operation of removing solid substances such as SiO 2 and B 2 O 3 will be described with reference to FIG. First, when stopping the operation of the fine bubble generator and removing the solid matter by draining the absorbing liquid, the exhaust gas on-off valve 18 is closed to stop the introduction of the exhaust gas 9, and then the water-nitrogen switching valve 20 is operated. Water is supplied to the water supply means 16 and 16'. At this time, the normally open nitrogen gas on-off valve 19 is left as it is, and the water 14 is supplied while maintaining the pressure so that the water 14 supplied from the water supply means 16 does not enter the exhaust gas pipe 10. To do. When solids such as SiO 2 and B 2 O 3 are dissolved in water or removed by the water force, the water supply is stopped, and then the intake pipe 1 and the water supply pipe 15 are dried. The intake pipe 1 is dried by the nitrogen gas 12, but if it is desired to dry in a short time, the opening degree of the nitrogen gas on-off valve 19 is adjusted to allow a larger amount of nitrogen gas to flow than the amount for safety. To be done by. The water supply pipe 15 is dried by switching the water-nitrogen switching valve 20 to allow the nitrogen gas 17 to flow through the water supply pipe 15 and purging the nitrogen gas from the water supply means 16 and 16'.

本発明の微細気泡発生装置では、駆動部の回転は停止するが吸収液は抜かないままで吸気管1の内部の固形物を除去することも可能である。この場合、回転インペラの回転がないと、吸収液の液面は吸気管1の内部へ上昇する。そのため、排ガス開閉弁18を閉として排ガス9の導入を停止した後、液面を下げるため、必要ならば、窒素ガス開閉弁19の開度を調節して窒素ガス12を吸気管1の内部に圧入し、液面を押し下げたままの状態で水−窒素切替弁20を操作して水供給手段16および16’に水を供給する。SiO2、B2O3等の固形物が除去されたら、上記と同様にして吸気管1および水供給配管15の乾燥を行う。 In the fine bubble generator of the present invention, it is possible to remove the solid matter inside the intake pipe 1 without draining the absorbing liquid although the rotation of the driving unit is stopped. In this case, if the rotary impeller 5 does not rotate, the liquid level of the absorbing liquid rises to the inside of the intake pipe 1. Therefore, in order to lower the liquid level after closing the exhaust gas on-off valve 18 and stopping the introduction of the exhaust gas 9, if necessary, the opening degree of the nitrogen gas on-off valve 19 is adjusted to bring the nitrogen gas 12 into the intake pipe 1. Water is supplied to the water supply means 16 and 16'by operating the water-nitrogen switching valve 20 with the liquid level pressed down by press-fitting. After the solids such as SiO 2 and B 2 O 3 are removed, the intake pipe 1 and the water supply pipe 15 are dried in the same manner as described above.

上部駆動式の微細気泡発生装置は、吸気管31の中をシャフトが貫通しているため、水供給配管(ステンレス鋼製)45を吸気管31の内部に引き込むことは困難である。そのため図2に示すように、排ガス導入管40と吸気管31の接続部(排ガス導入部)41よりも上部に水供給配管45を接続し、その先端を水供給手段46とする。 In the upper drive type fine bubble generator, since the shaft penetrates through the intake pipe 31, it is difficult to draw the water supply pipe (made of stainless steel) 45 into the intake pipe 31. Therefore, as shown in FIG. 2, the connecting portion of the intake pipe 31 and the exhaust gas inlet piping 40 connects the water supply pipe 45 to the upper than (exhaust gas introducing portion) 41, to the tip and the water supply means 46.

前記したように、微細気泡発生装置の運転を長時間行うと、SiO2、B2O3等の固形物の付着が、排ガス導入部41近傍および開放端33の上方に主として発生する。このとき、固形物を除去するための水44は、水供給配管45から、排ガス導入部41よりも上部に設けられた水供給手段46へ供給される。供給された水は、排ガス導入部41近傍に付着した固形物を溶解したり、あるいは水勢により除去した後、吸気管31内を流下して開放端33の上方に至り、そこでも同様に作用して固形物を除去した後、開放端33から放出される。窒素ガス47は、水供給配管45の乾燥に用いられる。この窒素ガス47は前記保安用および吸気管31の乾燥用窒素ガスとは図示の実施形態のように別のラインとしてもよいし、同一ライン(図示せず)としてもよい。 As described above, when the fine bubble generator is operated for a long time , adhesion of solid substances such as SiO 2 and B 2 O 3 mainly occurs in the vicinity of the exhaust gas introduction portion 41 and above the open end 33. At this time, the water 44 for removing the solid matter is supplied from the water supply pipe 45 to the water supply means 46 provided above the exhaust gas introduction portion 41. The supplied water dissolves the solid matter adhering to the vicinity of the exhaust gas introduction portion 41 or removes it by the water force, and then flows down in the intake pipe 31 to reach above the open end 33, and acts in the same manner there. After removing the solid matter, it is discharged from the open end 33. The nitrogen gas 47 is used for drying the water supply pipe 45. The nitrogen gas 47 may be a separate line from the nitrogen gas for safety and drying of the intake pipe 31 as shown in the illustrated embodiment, or may be the same line (not shown).

以下、SiO2、B2O3等の固形物を除去する操作について説明する。先ず、微細気泡発生装置の運転を止め、吸収液も抜いて固形物を除去する場合は、排ガス開閉弁48を閉として排ガス39の導入を停止した後、水−窒素切替弁50を操作して水供給手段46に水44を供給する。このとき、通常、開となっている窒素ガス開閉弁49はそのままの状態にして、水供給手段46から供給した水44が排ガス導入配管40に進入することのないように圧力を保ちながら水44を供給する。SiO2、B2O3等の固形物が水に溶解したり水勢によって除去されたら、水の供給を停止した後、吸気管31および水供給配管45の乾燥を行う。吸気管31の乾燥は、窒素ガス42により行うが、短時間での乾燥を希望する場合、窒素ガス開閉弁49の開度を調節して、保安用の量よりも大量の窒素ガスを流すことにより行う。水供給配管45の乾燥は、水−窒素切替弁50を切替えて水供給配管45に窒素ガス47を流し、水供給手段46から窒素ガスをパージすることにより行う。 The operation of removing solids such as SiO 2 and B 2 O 3 will be described below. First, when stopping the operation of the fine bubble generator and removing the solid matter by removing the absorbing liquid, the exhaust gas on-off valve 48 is closed to stop the introduction of the exhaust gas 39, and then the water-nitrogen switching valve 50 is operated. Water 44 is supplied to the water supply means 46. At this time, the normally open nitrogen gas on-off valve 49 is left as it is, and the water 44 is maintained at a pressure so that the water 44 supplied from the water supply means 46 does not enter the exhaust gas introduction pipe 40. To supply. When solids such as SiO 2 and B 2 O 3 are dissolved in water or removed by the water force, the intake pipe 31 and the water supply pipe 45 are dried after the water supply is stopped. The intake pipe 31 is dried by the nitrogen gas 42, but if it is desired to dry in a short time, the opening degree of the nitrogen gas on-off valve 49 should be adjusted to allow a larger amount of nitrogen gas to flow than the amount for safety. To be done by. Drying of the water supply pipe 45, water - switches the nitrogen switching valve 50 passing nitrogen gas 47 to the water supply pipe 45, carried out by purging with nitrogen gas from the water supply means 46.

次に、駆動部の回転は停止するが吸収液は抜かないままで吸気管31の内部の固形物を除去する場合、回転インペラ35の回転がないと、吸収液の液面は吸気管31の内部へ上昇する。そのため、排ガス開閉弁48を閉として排ガス39の導入を停止した後、液面を下げるため、必要ならば、窒素ガス開閉弁49の開度を調節して窒素ガス42を吸気管31の内部に圧入し、液面を押し下げたままの状態で水−窒素切替弁50を操作して水供給手段46に水を供給する。SiO2、B2O3等の固形物が除去されたら、上記と同様にして吸気管31および水供給配管45の乾燥を行う。 Next, when the rotation of the drive unit is stopped but the solid matter inside the intake pipe 31 is removed without removing the absorption liquid, the liquid level of the absorption liquid is the intake pipe 31 without the rotation of the rotating impeller 35. Ascend to the inside. Therefore, in order to lower the liquid level after closing the exhaust gas on-off valve 48 and stopping the introduction of the exhaust gas 39, if necessary, the opening degree of the nitrogen gas on-off valve 49 is adjusted to put the nitrogen gas 42 inside the intake pipe 31. Water is supplied to the water supply means 46 by operating the water-nitrogen switching valve 50 with the liquid level pressed down by press-fitting. After the solids such as SiO 2 and B 2 O 3 are removed, the intake pipe 31 and the water supply pipe 45 are dried in the same manner as described above.

JP20290399A 1999-07-16 1999-07-16 Microbubble generator Expired - Fee Related JP4430758B2 (en)

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Application Number Priority Date Filing Date Title
JP20290399A JP4430758B2 (en) 1999-07-16 1999-07-16 Microbubble generator

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Application Number Priority Date Filing Date Title
JP20290399A JP4430758B2 (en) 1999-07-16 1999-07-16 Microbubble generator

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JP2001025651A JP2001025651A (en) 2001-01-30
JP2001025651A5 true JP2001025651A5 (en) 2006-07-13
JP4430758B2 JP4430758B2 (en) 2010-03-10

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JP20290399A Expired - Fee Related JP4430758B2 (en) 1999-07-16 1999-07-16 Microbubble generator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101187824B1 (en) 2011-05-26 2012-10-08 주식회사 호국이엔지 Distributing apparatus
CN109626629A (en) * 2018-12-12 2019-04-16 福建省宏港纺织科技有限公司 A kind of secondary sedimentation tank

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