JP2006088031A - Method and apparatus for regulating flow rate, and filtration apparatus - Google Patents

Method and apparatus for regulating flow rate, and filtration apparatus Download PDF

Info

Publication number
JP2006088031A
JP2006088031A JP2004276369A JP2004276369A JP2006088031A JP 2006088031 A JP2006088031 A JP 2006088031A JP 2004276369 A JP2004276369 A JP 2004276369A JP 2004276369 A JP2004276369 A JP 2004276369A JP 2006088031 A JP2006088031 A JP 2006088031A
Authority
JP
Japan
Prior art keywords
tank
water
siphon
purified water
filtration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2004276369A
Other languages
Japanese (ja)
Inventor
Takashi Ishikawa
喬 石川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suido Kiko Kaisha Ltd
Original Assignee
Suido Kiko Kaisha Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suido Kiko Kaisha Ltd filed Critical Suido Kiko Kaisha Ltd
Priority to JP2004276369A priority Critical patent/JP2006088031A/en
Publication of JP2006088031A publication Critical patent/JP2006088031A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Filtration Of Liquid (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To freely regulate the flow rate of reversal washing water by a comparatively simple structure. <P>SOLUTION: The flow rate of reversal washing water flowing in a water collection ditch 13 from a purified water ditch 14 through a purified water siphon 18 is regulated by adjusting the height of a purified water movable-weir vessel 17 to be hung, namely, by adjusting the height of a weir of the purified water movable-weir vessel 17 with respect to the water level of the purified water ditch 14. As a result, the flow rate of reversal washing water flowing from the purified water ditch 14 to the water collection ditch 13 can be regulated freely. The height of the purified water movable-weir vessel 17 can be raised/lowered by the comparatively simple structure. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、流量調整方法、流量調整装置および濾過装置に関し、さらに詳しくは、比較的簡単な構造で液の流量を自由に調節できるようにした流量調整方法、流量調整装置、および、簡単な構造で逆洗用水および原水の流量を自由に調節できるようにした濾過装置に関する。   The present invention relates to a flow rate adjustment method, a flow rate adjustment device, and a filtration device, and more specifically, a flow rate adjustment method, a flow rate adjustment device, and a simple structure that can freely adjust a liquid flow rate with a relatively simple structure. It relates to a filtration device in which the flow rates of backwash water and raw water can be freely adjusted.

従来、２重管式逆洗用水送給サイフォンの頂部付近に流量調整ダンパを設けて、逆洗用水の流量を調節する重力式濾過装置が知られている（特許文献１参照。）。
また、濾過室と浄水渠とを結ぶ空封トラップを並列状態で複数設置し、各空封トラップを「導通」または「空封」の２値で制御して逆洗用水の流量を調節するバルブレス式濾過装置が知られている（特許文献２参照。）。 2. Description of the Related Art Conventionally, there has been known a gravity filtration device that adjusts the flow rate of backwashing water by providing a flow rate adjusting damper near the top of a double-pipe backwashing water feeding siphon (see Patent Document 1).
In addition, a plurality of air-sealed traps connecting the filtration chamber and the water purification tank are installed in parallel, and each air-sealed trap is controlled by the binary value of “continuity” or “air-sealing” to adjust the flow rate of backwash water. A type filtration device is known (see Patent Document 2).

特開平７−１４８４０３号公報JP 7-148403 A 特開平９−２７６６１０号公報JP-A-9-276610

上記従来の重力式濾過装置では、２重管式逆洗用水送給サイフォンの構造が複雑となる問題点がある。
また、上記従来のバルブレス式濾過装置では、「導通」と「空封」の２値で複数の空封トラップを制御するため、逆洗流量の制御が複雑になる問題点がある。
そこで、本発明の目的は、比較的簡単な構造で液の流量を自由に調節できるようにした流量調整方法、流量調整装置、および、簡単な構造で逆洗用水および原水の流量を自由に調節できるようにした濾過装置を提供することにある。 The conventional gravity filtration device has a problem that the structure of the double-pipe backwash water supply siphon is complicated.
In addition, the conventional valveless filtration device has a problem that the control of the backwash flow rate is complicated because a plurality of air traps are controlled by binary values of “conduction” and “air seal”.
Accordingly, an object of the present invention is to freely adjust the flow rate of backwash water and raw water with a simple structure, a flow rate adjustment method, a flow rate adjustment device, and a simple structure that can freely adjust the flow rate of the liquid. An object of the present invention is to provide a filtering device that can be used.

第１の観点では、本発明は、液槽Ａから液槽Ｂに液体を移動させるために液槽Ａと液槽Ｂとを結ぶサイフォンを設けると共に、液槽Ｂ側のサイフォン口に可動堰槽を設けて可動堰槽の堰の高さを調整し、液槽Ａから液槽Ｂに流れる液量を調節することを特徴とする流量調節方法を提供する。
上記第１の観点による流量調節方法では、可動堰槽の堰の高さを液槽Ａの液位より高くすると、可動堰槽内の液位が液槽Ａの液位と等しくなって平衡し、サイフォンを流れる液量を０にすることが出来る。また、可動堰槽の堰の高さを液槽Ａの液位より低くすると、液体が液槽Ａから可動堰槽に流れ込み、可動堰槽の堰を溢れて、液槽Ｂに流れ込む。このように、可動堰槽の堰の高さを調整することで、液槽Ａから液槽Ｂに流れる液体の流量を自由に調節できる。そして、堰の高さを調整するのは、比較的簡単な構造で済む。 In a first aspect, the present invention provides a siphon connecting the liquid tank A and the liquid tank B to move the liquid from the liquid tank A to the liquid tank B, and a movable weir tank at the siphon port on the liquid tank B side. Is provided to adjust the height of the weir of the movable dam tank and adjust the amount of liquid flowing from the liquid tank A to the liquid tank B.
In the flow rate adjustment method according to the first aspect, when the height of the movable dam tank is higher than the liquid level in the liquid tank A, the liquid level in the movable dam tank becomes equal to the liquid level in the liquid tank A and equilibrates. The amount of liquid flowing through the siphon can be reduced to zero. When the height of the movable weir tank is lower than the liquid level of the liquid tank A, the liquid flows from the liquid tank A into the movable weir tank, overflows the weir of the movable weir tank, and flows into the liquid tank B. Thus, the flow rate of the liquid flowing from the liquid tank A to the liquid tank B can be freely adjusted by adjusting the height of the weir of the movable dam tank. And it is sufficient to adjust the height of the weir with a relatively simple structure.

第２の観点では、本発明は、液槽Ａから液槽Ｂに液体を移動させるために液槽Ａと液槽Ｂとを結ぶサイフォンと、液槽Ｂ側のサイフォン口に設けられ堰の高さを調整して液槽Ａから液槽Ｂに流れる液量を調節する可動堰槽とを具備したことを特徴とする流量調節装置を提供する。
上記第２の観点による流量調節装置では、前記第１の観点による流量調節方法を好適に実施できる。 In a second aspect, the present invention provides a siphon connecting the liquid tank A and the liquid tank B in order to move the liquid from the liquid tank A to the liquid tank B, and a siphon port provided on the liquid tank B side. There is provided a flow rate adjusting device comprising a movable weir tank that adjusts the amount of liquid flowing from the liquid tank A to the liquid tank B by adjusting the height.
In the flow control device according to the second aspect, the flow control method according to the first aspect can be suitably implemented.

第３の観点では、本発明は、濾過行程では、原水を濾過室内で濾材層により濾過し、得られた浄水を集水渠に溜め、集水渠からサイフォンを通じて浄水渠に溜め、逆洗行程では、浄水渠に溜めた浄水をサイフォンを通じて集水渠に戻し、集水渠から濾過室に供給し、濾過時と逆方向の流れで濾材層を洗浄する濾過装置において、集水渠側のサイフォン口に可動堰槽を設けると共に、可動堰槽の堰の高さを調整するための堰高さ調整手段を設けたことを特徴とする濾過装置を提供する。
上記第３の観点による濾過装置では、可動堰槽の堰の高さを浄水渠の水位より高くすると、可動堰槽内の水位が浄水渠の水位と等しくなって平衡し、サイフォンを流れる水量を０にすることが出来る。また、可動堰槽の堰の高さを浄水渠の水位より低くすると、浄水が浄水渠から可動堰槽に流れ込み、可動堰槽の堰を溢れて、集水渠に流れ込む。このように、可動堰槽の堰の高さを調整することで、浄水渠から集水渠に流れる浄水の流量を自由に調節できる。そして、堰の高さを調整するのは、比較的簡単な構造で済む。 In a third aspect, the present invention provides that the raw water is filtered through the filter medium layer in the filtration chamber in the filtration step, and the resulting purified water is stored in the water collecting basin and is collected in the water purification basin through the siphon from the water collecting basin. Purified water collected in the water purification tank is returned to the water collection tank through the siphon, supplied to the filtration chamber from the water collection tank, and in the filtration device that cleans the filter media layer in the direction opposite to that during filtration, a movable dam tank is attached to the siphon port on the water collection tank side. And a weir height adjusting means for adjusting the height of the weir of the movable dam tank is provided.
In the filtering device according to the third aspect, when the height of the movable dam tank is higher than the water level of the purified water tank, the water level in the movable dam tank becomes equal to the water level of the purified water tank, and the amount of water flowing through the siphon is reduced. Can be set to zero. Moreover, when the height of the movable weir tank is lower than the water level of the purified water tank, the purified water flows from the purified water tank into the movable weir tank, overflows the movable weir tank and flows into the water collecting tank. Thus, by adjusting the height of the weir of the movable dam tank, it is possible to freely adjust the flow rate of the purified water flowing from the water purification tank to the water collecting tank. And it is sufficient to adjust the height of the weir with a relatively simple structure.

第４の観点では、本発明は、濾過行程では、第１原水渠からサイフォンを通じて第２原水渠に原水を供給し、第２原水渠から濾過室へ原水を供給し、濾過室内で原水を濾材層により濾過し、得られた浄水を浄水渠に溜め、逆洗行程では、浄水渠に溜めた浄水を濾過室に供給し、濾過時と逆方向の流れで濾材層を洗浄する濾過装置において、第２原水渠側のサイフォン口に可動堰槽を設けると共に、可動堰槽の堰の高さを調整するための堰高さ調整手段を設けたことを特徴とする濾過装置を提供する。
上記第４の観点による濾過装置では、可動堰槽の堰の高さを第１原水渠の水位より高くすると、可動堰槽内の水位が第１原水渠の水位と等しくなって平衡し、サイフォンを流れる水量を０にすることが出来る。また、可動堰槽の堰の高さを第１原水渠の水位より低くすると、水が第１原水渠から第２原水渠に流れ込み、可動堰槽の堰を溢れて、濾過室に流れ込む。このように、可動堰槽の堰の高さを調整することで、流れ込む原水の流量を自由に調節できる。そして、堰の高さを調整するのは、比較的簡単な構造で済む。 In a fourth aspect, the present invention provides the raw water from the first raw water tank to the second raw water tank through the siphon in the filtration step, the raw water is supplied from the second raw water tank to the filtration chamber, and the raw water is filtered in the filtration chamber. In the filtration device that stores the purified water obtained in the layer and stores the purified water in the purified water tank, and supplies the purified water stored in the purified water tank to the filtration chamber in the backwash process, and cleans the filter medium layer in the direction opposite to that during filtration. Provided is a filtration device characterized in that a movable dam tank is provided at a siphon port on the second raw water tank side, and a dam height adjusting means for adjusting the height of the dam of the movable dam tank is provided.
In the filtering device according to the fourth aspect, when the height of the movable weir tank is higher than the water level of the first raw water tank, the water level in the movable water tank becomes equal to the water level of the first raw water tank, and is balanced. The amount of water flowing through can be reduced to zero. Moreover, if the height of the weir of the movable dam tank is made lower than the water level of the first raw water tank, the water flows from the first raw water tank to the second raw water tank, overflows the weir of the movable water tank and flows into the filtration chamber. Thus, the flow volume of the raw | natural water which flows in can be adjusted freely by adjusting the height of the weir of a movable dam tank. And it is sufficient to adjust the height of the weir with a relatively simple structure.

本発明の流量調整方法および流量調整装置によれば、可動堰槽の堰の高さを調整することで、液体の流量を自由に調節できる。そして、堰の高さを調整するのは、比較的簡単な構造で済む。
本発明の濾過装置によれば、可動堰槽の堰の高さを調整することで、逆洗時の浄水の流量や原水の流量を自由に調節できる。そして、堰の高さを調整するのは、比較的簡単な構造で済む。 According to the flow rate adjusting method and the flow rate adjusting apparatus of the present invention, the flow rate of the liquid can be freely adjusted by adjusting the height of the weir of the movable dam tank. And it is sufficient to adjust the height of the weir with a relatively simple structure.
According to the filtration device of the present invention, the flow rate of purified water and the flow rate of raw water during backwashing can be freely adjusted by adjusting the height of the weir of the movable weir tank. And it is sufficient to adjust the height of the weir with a relatively simple structure.

以下、図に示す実施例により本発明をさらに詳細に説明する。なお、これにより本発明が限定されるものではない。   Hereinafter, the present invention will be described in more detail with reference to the embodiments shown in the drawings. Note that the present invention is not limited thereby.

図１は、実施例１にかかる濾過装置１００の構成図である。
この濾過装置１００において、１は濾過池、２ｐは第１原水渠、２ｓは第２原水渠、３は原水サイフォン、４は原水可動堰槽、５は原水流入堰、６は原水流入渠、７は原水流入管、８は排水トラフ、９は排水ガリット、１０は濾材層、１１は空洗兼集水ノズル、１２は集水室、１３は集水渠、１４は浄水渠、１５は浄水流出堰、１６は浄水流出渠、１７は浄水可動堰槽、１８は浄水サイフォン、１９は濾過室内捨水渠、２０は空洗前捨水サイフォン、２１は排水サイフォン、２２は洗浄後捨水堰、２３は排水サイフォン水封渠、２４は空洗ブロワー、２５は空洗空気供給室である。また、３ａは原水サイフォン排気弁、１８ａは浄水サイフォン排気弁、３１，３４は吊りワイヤ、３２，３５は滑車、３３，３６はロック付エアシリンダ、３７は空洗前捨水サイフォン排気弁、３８は排水サイフォン排気弁、４０は行程制御装置である。 FIG. 1 is a configuration diagram of a filtration device 100 according to the first embodiment.
In this filtration apparatus 100, 1 is a filtration pond, 2p is a first raw water tank, 2s is a second raw water tank, 3 is a raw water siphon, 4 is a raw water movable weir tank, 5 is a raw water inflow weir, 6 is a raw water inflow tank, 7 Is a raw water inflow pipe, 8 is a drainage trough, 9 is a drainage gullet, 10 is a filter medium layer, 11 is an air washing and collection nozzle, 12 is a water collection chamber, 13 is a water collection tank, 14 is a water purification tank, and 15 is a water discharge weir. , 16 is a purified water spillway, 17 is a purified water movable weir tank, 18 is a purified water siphon, 19 is a wastewater drainage in the filtration chamber, 20 is a wastewater siphon before air washing, 21 is a drainage siphon, 22 is a wastewater weir after washing, and 23 is A drainage siphon water seal 24, an air washing blower 24, and an air washing air supply chamber 25. 3a is a raw water siphon exhaust valve, 18a is a purified water siphon exhaust valve, 31 and 34 are suspension wires, 32 and 35 are pulleys, 33 and 36 are air cylinders with a lock, 37 is a water siphon exhaust valve for pre-washing, 38 Is a drain siphon exhaust valve, and 40 is a stroke control device.

−濾過行程（初回）−
図１に示すように、行程制御装置４０は、空洗前捨水サイフォン排気弁３７および排水サイフォン排気弁３８により空洗前捨水サイフォン２０および排水サイフォン２１を空封状態にし、空洗ブロワー２４を停止させておく。また、ロック付エアシリンダ３３により吊りワイヤ３１を繰り出して原水可動堰槽４を下げると共に、ロック付エアシリンダ３６により吊りワイヤ３４を繰り出して浄水可動堰槽１７を下げる。 -Filtration process (first time)-
As shown in FIG. 1, the stroke control device 40 places the pre-washing siphon 20 and the drainage siphon 21 in an air-sealed state by the pre-washing siphon exhaust valve 37 and the drainage siphon exhaust valve 38, and the airwash blower 24. Stop. Further, the suspension wire 31 is fed out by the air cylinder 33 with lock to lower the raw water movable dam tank 4, and the suspension wire 34 is fed out by the lock air cylinder 36 to lower the purified water movable dam tank 17.

第１原水渠２ｐ側の原水サイフォン３のサイフォン口が第１原水渠２ｐの原水に浸かり且つ第１原水渠２ｐの原水の水位が原水流入堰５より高くなった状態で、行程制御装置４０は、原水サイフォン排気弁３ａから吸気することにより原水サイフォン３を導通状態にする（初回だけ、それ以後は不要。）。
これにより、第１原水渠２ｐの原水が原水サイフォン３を通って原水可動堰槽４に流れ込み、原水可動堰槽４から溢れて第２原水渠２ｓに溜まり、原水流入堰５から溢れて原水流入渠６に落下し、さらに原水流入管７から濾過池１に入って溜まる。濾過池１に溜まった原水は、濾材層１０を通って浄水となり、空洗兼集水ノズル１１を介して集水室１２に入り、集水渠１３に溜まる。やがて濾過池１，集水渠１３および濾過室内捨水渠１９の浄水の水位が上昇する。 In the state where the siphon mouth of the raw water siphon 3 on the first raw water tank 2p side is immersed in the raw water of the first raw water tank 2p and the water level of the raw water of the first raw water tank 2p is higher than the raw water inflow weir 5, Then, the raw water siphon 3 is brought into a conducting state by taking in air from the raw water siphon exhaust valve 3a (only for the first time and after that, unnecessary).
As a result, the raw water of the first raw water basin 2p flows into the raw water movable dam tank 4 through the raw water siphon 3, overflows from the raw water movable dam tank 4 and accumulates in the second raw water basin 2s, overflows from the raw water inflow weir 5 and flows into the raw water. It falls into the trough 6 and further enters the filtration pond 1 from the raw water inflow pipe 7 and accumulates. The raw water collected in the filtration pond 1 becomes purified water through the filter medium layer 10, enters the water collection chamber 12 through the air washing and water collection nozzle 11, and accumulates in the water collection tank 13. Eventually, the water level of the purified water in the filtration pond 1, the water collecting basin 13 and the filtration chamber waste water basin 19 rises.

集水渠１３側の浄水サイフォン１８のサイフォン口が集水渠１３の浄水に浸かり且つ集水渠１３の浄水の水位が浄水流出堰１５より高くなった状態で、行程制御装置４０は、浄水サイフォン排気弁１８ａから吸気することにより浄水サイフォン１８を導通状態にする（初回だけ、それ以後は不要。）。
これにより、集水渠１３の浄水が浄水サイフォン１８を通って浄水渠１４に溜まり、浄水流出堰１５から溢れて浄水流出渠１６に落下する。なお、濾過池１の水位は、濾材層１０を通過するためのエネルギー分だけ、集水渠１３と濾過室内捨水渠１９の浄水の水位より高くなる。
適当な時間だけ濾過を行うと、空洗前捨水行程へ移行する。 In the state where the siphon mouth of the water purification siphon 18 on the side of the water collecting basin 13 is immersed in the water of the water collecting basin 13 and the water level of the water purifying water in the water collecting basin 13 is higher than the water effluent weir 15, The water-purifying siphon 18 is brought into a conducting state by inhaling air (only for the first time and thereafter not necessary).
Thereby, the purified water of the water collecting tank 13 is accumulated in the purified water tank 14 through the purified water siphon 18, overflows from the purified water outflow weir 15, and falls to the purified water outflow tank 16. In addition, the water level of the filtration pond 1 becomes higher than the purified water level of the water collecting basin 13 and the filtration chamber waste water basin 19 by the energy for passing through the filter medium layer 10.
When the filtration is performed for an appropriate time, the process proceeds to the pre-air washing process.

―空洗前捨水行程―
図２に示すように、行程制御装置４０は、原水可動堰槽４を上昇させ、第１原水渠２ｐの水位より原水可動堰槽４の堰の高さを高くする。これにより、原水可動堰槽４内の原水の水位が第１原水渠２ｐの原水の水位と等しくなった状態で、原水サイフォン３を通じての原水の移動が停止する。
次に、行程制御装置４０は、浄水可動堰槽１７を上昇させ、浄水渠１４の水位より浄水可動堰槽１７の堰の高さを高くする。集水渠１３の浄水が浄水サイフォン１８を通って浄水渠１４へ流れ出て水位が下がり、浄水可動堰槽１７の堰まで下がると、集水渠１３から浄水可動堰槽１７へは浄水が流れ込まなくなる。そして、浄水可動堰槽１７内の浄水の水位が浄水渠１４の浄水の水位と等しくなった状態で、浄水サイフォン１８を通しての浄水の移動が停止する。なお、他の濾過装置からの浄水が浄水渠１４に流入するため、浄水渠１４の浄水の水位は変わらない。
次に、行程制御装置４０は、空洗前捨水サイフォン２０を導通状態にする。これにより、濾過室内捨水渠１９から空洗前捨水サイフォン２０を通して排水サイフォン水封渠２３へ浄水が排出され、濾過池１，集水渠１３および濾過室内捨水渠１９の水位が下がる。水位が、空洗に最適な水位まで下がると、空洗前捨水サイフォン２０を空封状態にし、単独空洗行程へ移行する。 ―Washing process before air washing―
As shown in FIG. 2, the stroke control device 40 raises the raw water movable dam tank 4 and increases the height of the weir of the raw water movable dam tank 4 from the water level of the first raw water tub 2p. Thereby, the movement of the raw water through the raw water siphon 3 is stopped in a state in which the raw water level in the raw water movable dam tank 4 becomes equal to the raw water level of the first raw water ridge 2p.
Next, the stroke control device 40 raises the purified water movable dam tank 17 and raises the height of the dam of the purified water movable dam tank 17 from the water level of the purified water tank 14. When the purified water in the water collecting basin 13 flows out to the water purification basin 14 through the water purification siphon 18 and the water level is lowered to the weir of the water purifying movable weir tank 17, the purified water does not flow from the water collecting tank 13 into the water purifying movable dam tank 17. And the movement of the purified water through the purified water siphon 18 is stopped in a state where the purified water level in the purified water movable dam tank 17 becomes equal to the purified water level of the purified water tank 14. In addition, since the purified water from another filtration apparatus flows into the purified water tank 14, the water level of the purified water of the purified water tank 14 does not change.
Next, the stroke control device 40 brings the pre-washing waste water siphon 20 into a conductive state. As a result, the purified water is discharged from the filtration chamber drain 19 through the pre-washing drain siphon 20 to the drainage siphon water seal 23, and the water levels of the filtration basin 1, the drainage basin 13 and the filtration chamber drain 19 are lowered. When the water level falls to the optimum water level for air washing, the pre-wash water siphon 20 is put into an air-sealed state, and the process moves to a single air washing process.

―単独空洗行程―
図３に示すように、行程制御装置４０は、排水サイフォン２１を導通状態し、排水ガリット９から排水サイフォン２１を通して排水サイフォン水封渠２３へ排水されるようにする。次に、行程制御装置４０は、空洗ブロアー２４を起動し、空洗空気供給室２５に空気を供給する。これにより、空洗空気供給室２５から空洗孔２５ａを通じて空気が集水室１２に供給され、さらに空洗兼集水ノズル１１を通じて濾材層１０に空気が送り込まれ、濾材層１０の空気洗浄が行われる。適当な時間だけ単独空洗を行うと、空気／水逆洗併用洗浄行程へ移行する。 ―Single air washing process―
As shown in FIG. 3, the stroke control device 40 causes the drainage siphon 21 to be in a conductive state so that the drainage siphon 21 is drained through the drainage siphon 21 to the drainage siphon water seal 23. Next, the stroke control device 40 activates the air washing blower 24 and supplies air to the air washing air supply chamber 25. As a result, air is supplied from the flush air supply chamber 25 to the water collection chamber 12 through the flush hole 25a, and further, air is sent to the filter medium layer 10 through the flush and water collection nozzle 11, so that the filter medium layer 10 is washed with air. Done. When the single air washing is performed for an appropriate time, the process moves to the air / water back washing process.

−空気／水逆洗併用洗浄行程―
図４に示すように、行程制御装置４０は、浄水可動堰槽１７を下降させ、浄水可動堰槽１７の堰の高さを浄水渠１４の水位より低く且つ排水トラフ８より高くする。これにより、浄水渠１４の浄水が浄水サイフォン１８を通って浄水可動堰槽１７に流れ込み、浄水可動堰槽１７を溢れて集水渠１３へ流れ出て、集水渠１３，濾過池１および濾過室内捨水渠１９の水位が上がる。濾過池１の水位が排水トラフ８まで上がると、排水トラフ８から排水ガリット９へ排水され、さらに排水ガリット９から排水サイフォン２１を通して排水サイフォン水封渠２３へ排水される。この濾材層１０を上向きに流れる浄水により、濾材層１０が逆洗される。すなわち、濾材層１０の空洗と逆洗とが同時に行われる。適当な時間だけ空気／水逆洗併用洗浄を行うと、単独逆洗行程へ移行する。 -Air / water back washing process-
As shown in FIG. 4, the stroke control device 40 lowers the purified water movable dam tank 17 so that the height of the dam of the purified water movable dam tank 17 is lower than the water level of the purified water tank 14 and higher than the drain trough 8. As a result, the purified water in the purified water tank 14 flows into the purified water movable dam tank 17 through the purified water siphon 18, overflows the purified water movable dam tank 17, flows out to the collected water tank 13, and is collected in the collected water tank 13, the filtration pond 1 and the filtration chamber. 19 water levels rise. When the water level of the filtration pond 1 rises to the drainage trough 8, the drainage trough 8 drains to the drainage galit 9, and further drains from the drainage galit 9 to the drainage siphon water seal 23 through the drainage siphon 21. The filter medium layer 10 is backwashed by the purified water flowing upward through the filter medium layer 10. That is, the filter medium layer 10 is simultaneously washed and backwashed. If air / water backwashing is performed for an appropriate amount of time, the process proceeds to a single backwashing process.

−単独逆洗行程―
図５に示すように、行程制御装置４０は、空洗ブロアー２４を停止し、さらに浄水可動堰槽１７を下降させて浄水渠１４から浄水サイフォン１８を通って浄水が比較的大きな流量で集水渠１３に流れ込むようにする。これにより、比較的大きな流量での濾材層１０の逆洗が行われる。適当な時間だけ単独逆洗を行うと、スローダウン洗浄行程へ移行する。 -Single backwash process-
As shown in FIG. 5, the stroke control device 40 stops the air-washing blower 24, further lowers the purified water movable weir tub 17, and passes the purified water siphon 18 from the purified water trough 14 to the water collecting trough at a relatively large flow rate. 13 to flow. As a result, the filter medium layer 10 is back-washed at a relatively large flow rate. When single backwashing is performed for an appropriate time, the process proceeds to a slowdown cleaning process.

−スローダウン洗浄行程―
図６に示すように、行程制御装置４０は、浄水可動堰槽１７を徐々に上昇させて浄水渠１４から浄水サイフォン１８を通って浄水が集水渠１３に流れ込む浄水の流量を徐々に小さくする。これにより、逆洗水量が暫減するので、濾材層１０の乱れを整えながら洗浄を終了させることが出来る。適当な時間だけスローダウン洗浄を行うと、洗浄後捨水行程へ移行する。 -Slowdown cleaning process-
As shown in FIG. 6, the stroke control device 40 gradually raises the purified water movable dam tank 17 to gradually reduce the flow rate of purified water flowing from the purified water tank 14 through the purified water siphon 18 into the water collecting tank 13. Thereby, since the amount of backwash water decreases for a while, washing | cleaning can be complete | finished, adjusting the disorder of the filter medium layer 10. FIG. If slow-down cleaning is performed for an appropriate time, the process proceeds to the water discharge process after cleaning.

−洗浄後捨水行程―
図７に示すように、行程制御装置４０は、浄水可動堰槽１７を上昇させ、浄水渠１４の水位より浄水可動堰槽１７の堰の高さを高くする。浄水可動堰槽１７内の浄水が浄水サイフォン１８を通って浄水渠１４へ流れ出て浄水可動堰槽１７内の浄水の水位が下がり、浄水渠１４の浄水の水位と等しくなった状態で、浄水サイフォン１８を通しての浄水の移動が停止する。
次に、行程制御装置４０は、排水サイフォン２１を空封状態にし、排水を停止する。
次に、行程制御装置４０は、原水可動堰槽４を第１原水渠２ｐの水位より少し下げ、比較的小さな流量で原水を第１原水渠２ｐから原水可動堰槽４に流入させる。原水可動堰槽４の堰を溢れた原水は、第２原水渠２ｓに溜まり、原水流入堰５から溢れて原水流入渠６に落下し、さらに原水流入管７から濾過池１に入って溜まる。濾過池１に溜まった原水は、濾材層１０を通って浄水となり、空洗兼集水ノズル１１を介して集水室１２に入り、集水渠１３に溜まる。やがて濾過池１，集水渠１３および濾過室内捨水渠１９の浄水の水位が上昇する。そして、濾過室内捨水渠１９の堰２２から溢れて、排水サイフォン水封渠２３へ排水される。適当な時間だけ洗浄後捨水を行うと、濾過行程（２回目以後）へ移行する。 -Washing process after washing-
As shown in FIG. 7, the stroke control device 40 raises the purified water movable dam tank 17 and increases the height of the weir of the purified water movable dam tank 17 from the water level of the purified water tank 14. The purified water siphon in the state where the purified water in the movable water dam tank 17 flows out to the purified water tank 14 through the purified water siphon 18 and the water level of the purified water in the movable water dam tank 17 decreases and becomes equal to the purified water level of the purified water tank 14. The movement of clean water through 18 stops.
Next, the stroke control device 40 places the drainage siphon 21 in an air-sealed state and stops drainage.
Next, the stroke control device 40 lowers the raw water movable dam 4 slightly from the water level of the first raw water tub 2p, and causes the raw water to flow into the raw water movable dam 4 from the first raw water tub 2p at a relatively small flow rate. The raw water overflowing the weir of the raw water movable weir tank 4 is collected in the second raw water basin 2s, overflows from the raw water inflow weir 5 and falls into the raw water inflow tub 6, and further enters the filtration basin 1 through the raw water inflow pipe 7. The raw water collected in the filtration pond 1 becomes purified water through the filter medium layer 10, enters the water collection chamber 12 through the air washing and water collection nozzle 11, and accumulates in the water collection tank 13. Eventually, the water level of the purified water in the filtration pond 1, the water collecting basin 13 and the filtration chamber waste water basin 19 rises. Then, it overflows from the weir 22 of the filtration chamber waste water basin 19 and is drained to the drainage siphon water seal 23. When the water is washed and washed for an appropriate time, the process proceeds to the filtration process (after the second).

−濾過行程（２回目以後）−
図１に示すように、行程制御装置４０は、原水可動堰槽４を第１原水渠２ｐの水位より下げ、適当に大きな流量で原水を第１原水渠２ｐから原水可動堰槽４に流入させる。この際、原水の流入量を徐々に大きくすることで濾材槽１０からの濁質の流出を抑制することが出来る。また、浄水可動堰槽１７を下げ、適当に大きな流量で浄水を集水渠１３から浄水渠１４へ流出させる。これにより、原水が濾過され、浄水が浄水渠１４に得られる。適当な時間だけ濾過を行うと、先に説明した空洗前捨水行程へ移行する。 -Filtration process (after the second)-
As shown in FIG. 1, the stroke control device 40 lowers the raw water movable dam tank 4 from the level of the first raw water basin 2p and causes the raw water to flow from the first raw water basin 2p into the raw water movable dam tank 4 at an appropriately large flow rate. . At this time, the turbidity outflow from the filter medium tank 10 can be suppressed by gradually increasing the inflow amount of the raw water. Moreover, the purified water movable dam tank 17 is lowered | hung, and purified water is made to flow into the purified water tank 14 from the water collection tank 13 with a suitably big flow volume. Thereby, raw water is filtered and purified water is obtained in the purified water tank 14. When filtration is performed for an appropriate time, the process proceeds to the water washing process before air washing described above.

以上の濾過装置１００によれば、次の効果が得られる。
（１）原水可動堰槽４の堰の高さを調整することで、第１原水渠２ｐから第２原水渠２ｓに流れる原水の流量を自由に調節できる。そして、原水可動堰槽４の堰の高さを調整するのは、原水可動堰槽４自体の高さを変えればよく、比較的簡単な構造で済む。
（２）浄水可動堰槽１７の堰の高さを調整することで、浄水渠１４から集水渠１３に流れる逆洗用浄水の流量を自由に調節できる。そして、浄水可動堰槽１７の堰の高さを調整するのは、浄水可動堰槽１７自体の高さを変えればよく、比較的簡単な構造で済む。
（３）スローダウン洗浄行程および洗浄後捨水行程により、洗浄直後の濁った浄水を廃棄するため、クリプトスポリジウムなどの病原性原虫の除去に最適な状態に濾材層１０を復元させることが出来る。 According to the above filtration apparatus 100, the following effects are acquired.
(1) By adjusting the height of the weir of the raw water movable weir tank 4, the flow rate of the raw water flowing from the first raw water tank 2p to the second raw water tank 2s can be freely adjusted. The height of the dam of the raw water movable dam tank 4 is adjusted by changing the height of the raw water movable dam tank 4 itself, and a relatively simple structure is sufficient.
(2) By adjusting the height of the weir of the purified water movable dam tank 17, the flow rate of the backwash water flowing from the purified water tank 14 to the water collecting tank 13 can be freely adjusted. And adjusting the height of the weir of the purified water movable dam tank 17 is sufficient if the height of the purified water movable dam tank 17 itself is changed, and a relatively simple structure is sufficient.
(3) Since the turbid purified water immediately after the washing is discarded by the slowdown washing process and the post-washing water discharging process, the filter medium layer 10 can be restored to an optimum state for removing pathogenic protozoa such as Cryptosporidium.

図８に示すように、バスタブ形状の浄水可動堰槽１７を用いてもよい。このバスタブ形状の浄水可動堰槽１７を傾ける角度により堰の高さを調節することが出来る。すなわち、図８の実線の状態で最も堰が低くなり、図８の２点鎖線の状態で最も堰が高くなる。   As shown in FIG. 8, a bathtub-shaped clean water movable dam 17 may be used. The height of the weir can be adjusted by the angle at which this bathtub-shaped clean water movable weir tank 17 is tilted. That is, the weir is the lowest in the state of the solid line in FIG. 8, and the weir is the highest in the state of the two-dot chain line in FIG.

本発明の流水量調整方法、流水量調整装置および濾過装置は、上下水処理に利用される。   The flowing water amount adjusting method, the flowing water amount adjusting device and the filtering device of the present invention are used for water and sewage treatment.

実施例１に係る濾過装置の濾過行程の説明図である。It is explanatory drawing of the filtration process of the filtration apparatus which concerns on Example 1. FIG. 実施例１に係る濾過装置の空洗前捨水行程の説明図である。It is explanatory drawing of the water removal process before the air washing of the filtration apparatus which concerns on Example 1. FIG. 実施例１に係る濾過装置の単独空洗行程の説明図である。It is explanatory drawing of the single air washing process of the filtration apparatus which concerns on Example 1. FIG. 実施例１に係る濾過装置の空気／水逆洗併用洗浄行程の説明図である。It is explanatory drawing of the air / water backwash combined cleaning process of the filtration apparatus which concerns on Example 1. FIG. 実施例１に係る濾過装置の単独逆洗行程の説明図である。It is explanatory drawing of the single backwash process of the filtration apparatus which concerns on Example 1. FIG. 実施例１に係る濾過装置のスローダウン洗浄行程の説明図である。It is explanatory drawing of the slow-down washing process of the filtration apparatus which concerns on Example 1. FIG. 実施例１に係る濾過装置の洗浄後捨水行程の説明図である。It is explanatory drawing of the post-cleaning water discharge process of the filtration apparatus which concerns on Example 1. FIG. 実施例２に係る浄水可動堰槽を示す説明図である。It is explanatory drawing which shows the purified water movable dam tank which concerns on Example 2. FIG.

符号の説明Explanation of symbols

１ 濾過池
２ｐ 第１原水渠
２ｓ 第２原水渠
３ 原水サイフォン
４ 原水可動堰槽
５ 原水流入堰
６ 原水流入渠
７ 原水流入管
８ 排水トラフ
９ 排水ガリット
１０ 濾材層
１１ 空洗兼集水ノズル
１２ 集水室
１３ 集水渠
１４ 浄水渠
１５ 浄水流出堰
１６ 浄水流出渠
１７ 浄水可動堰槽
１８ 浄水サイフォン管
１９ ろ過室内捨水渠
２０ 空洗前捨水サイフォン
２１ 排水サイフォン
２２ 洗浄後捨水堰
２３ 排水サイフォン水封渠
２４ 空洗ブロアー
２５ 空洗空気供給室
３１，３４ 吊りワイヤ
３２，３５ 滑車
３３，３６ エアシリンダ
４０ 行程制御装置
１００ 濾過装置 DESCRIPTION OF SYMBOLS 1 Filtration pond 2p 1st raw water basin 2s 2nd raw water basin 3 Raw water siphon 4 Raw water movable weir tank 5 Raw water inflow weir 6 Raw water inflow basin 7 Raw water inflow pipe 8 Drain trough 9 Drain galit 10 Filter material layer 11 Air washing and collection nozzle 12 Catchment chamber 13 Catchment basin 14 Purification basin 15 Purification spill dam 16 Purification spill dam 17 Clean water movable dam 18 Purified siphon pipe 19 Filtration chamber sewage basin 20 Pre-air washing sewage siphon 21 Drainage siphon 22 Drainage siphon 23 Drainage syphon Water seal 24 Air-washing blower 25 Air-washing air supply chamber 31, 34 Hanging wire 32, 35 Pulley 33, 36 Air cylinder 40 Stroke control device 100 Filtration device

Claims (4)

液槽Ａから液槽Ｂに液体を移動させるために液槽Ａと液槽Ｂとを結ぶサイフォンを設けると共に、液槽Ｂ側のサイフォン口に可動堰槽を設けて可動堰槽の堰の高さを調整し、液槽Ａから液槽Ｂに流れる液量を調節することを特徴とする流量調節方法。 In order to move the liquid from the liquid tank A to the liquid tank B, a siphon that connects the liquid tank A and the liquid tank B is provided, and a movable weir tank is provided at the siphon port on the liquid tank B side to increase the height of the movable weir tank The flow rate adjustment method characterized by adjusting the thickness and adjusting the amount of liquid flowing from the liquid tank A to the liquid tank B. 液槽Ａから液槽Ｂに液体を移動させるために液槽Ａと液槽Ｂとを結ぶサイフォンと、液槽Ｂ側のサイフォン口に設けられ堰の高さを調整して液槽Ａから液槽Ｂに流れる液量を調節する可動堰槽とを具備したことを特徴とする流量調節装置。 In order to move the liquid from the liquid tank A to the liquid tank B, the siphon connecting the liquid tank A and the liquid tank B and the height of the weir provided in the siphon port on the liquid tank B side are adjusted to adjust the liquid from the liquid tank A. A flow rate adjusting device comprising a movable weir tank that adjusts the amount of liquid flowing to the tank B. 濾過行程では、原水を濾過室内で濾材層により濾過し、得られた浄水を集水渠に溜め、集水渠からサイフォンを通じて浄水渠に溜め、逆洗行程では、浄水渠に溜めた浄水をサイフォンを通じて集水渠に戻し、集水渠から濾過室に供給し、濾過時と逆方向の流れで濾材層を洗浄する濾過装置において、
集水渠側のサイフォン口に可動堰槽を設けると共に、可動堰槽の堰の高さを調整するための堰高さ調整手段を設けたことを特徴とする濾過装置。 In the filtration process, the raw water is filtered through the filter medium layer in the filtration chamber, and the resulting purified water is collected in a collection tank and collected from the collection tank through a siphon. The backwash process collects the purified water collected in the purification tank through a siphon. In the filtration device that returns to the water tank, supplies the water from the water collection tank to the filtration chamber, and cleans the filter medium layer in the direction opposite to that during filtration.
A filtration apparatus comprising a movable dam tank at a siphon mouth on the catchment basin and a dam height adjusting means for adjusting the height of the dam of the movable dam tank. 濾過行程では、第１原水渠からサイフォンを通じて第２原水渠に原水を供給し、第２原水渠から濾過室へ原水を供給し、濾過室内で原水を濾材層により濾過し、得られた浄水を浄水渠に溜め、逆洗行程では、浄水渠に溜めた浄水を濾過室に供給し、濾過時と逆方向の流れで濾材層を洗浄する濾過装置において、
第２原水渠側のサイフォン口に可動堰槽を設けると共に、可動堰槽の堰の高さを調整するための堰高さ調整手段を設けたことを特徴とする濾過装置。 In the filtration process, the raw water is supplied from the first raw water tank to the second raw water tank through a siphon, the raw water is supplied from the second raw water tank to the filtration chamber, the raw water is filtered through the filter medium layer, and the purified water obtained is filtered. In the filtration device that collects the purified water collected in the purified water trough and supplies the purified water collected in the purified water trough to the filtration chamber, and cleans the filter medium layer with the flow in the direction opposite to that during filtration.
A filtration device characterized in that a movable dam tank is provided at the siphon mouth on the second raw water tank side, and a dam height adjusting means for adjusting the height of the dam of the movable dam tank is provided.
JP2004276369A 2004-09-24 2004-09-24 Method and apparatus for regulating flow rate, and filtration apparatus Pending JP2006088031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004276369A JP2006088031A (en) 2004-09-24 2004-09-24 Method and apparatus for regulating flow rate, and filtration apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004276369A JP2006088031A (en) 2004-09-24 2004-09-24 Method and apparatus for regulating flow rate, and filtration apparatus

Publications (1)

Publication Number Publication Date
JP2006088031A true JP2006088031A (en) 2006-04-06

Family

ID=36229509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004276369A Pending JP2006088031A (en) 2004-09-24 2004-09-24 Method and apparatus for regulating flow rate, and filtration apparatus

Country Status (1)

Country Link
JP (1) JP2006088031A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013230412A (en) * 2012-04-27 2013-11-14 Swing Corp Desalting apparatus, and desalting method
JP2015116533A (en) * 2013-12-18 2015-06-25 水ｉｎｇ株式会社 Slowdown washing filtration apparatus and filtration method of the same
JP2021120137A (en) * 2020-01-30 2021-08-19 Ｊｆｅエンジニアリング株式会社 Filtering device and backwashing method of filtering device
CN114247740A (en) * 2020-09-23 2022-03-29 株式会社基恩斯工程 Underground pollutant treatment device utilizing wind energy
WO2022065626A1 (en) * 2020-09-23 2022-03-31 주식회사 지엔에스엔지니어링 Underground pollutant treatment apparatus using wind energy and groundwater purification apparatus having power-saving backwashing function

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013230412A (en) * 2012-04-27 2013-11-14 Swing Corp Desalting apparatus, and desalting method
JP2015116533A (en) * 2013-12-18 2015-06-25 水ｉｎｇ株式会社 Slowdown washing filtration apparatus and filtration method of the same
JP2021120137A (en) * 2020-01-30 2021-08-19 Ｊｆｅエンジニアリング株式会社 Filtering device and backwashing method of filtering device
CN114247740A (en) * 2020-09-23 2022-03-29 株式会社基恩斯工程 Underground pollutant treatment device utilizing wind energy
WO2022065626A1 (en) * 2020-09-23 2022-03-31 주식회사 지엔에스엔지니어링 Underground pollutant treatment apparatus using wind energy and groundwater purification apparatus having power-saving backwashing function

Similar Documents

Publication Publication Date Title
JP4635666B2 (en) Water treatment method
CN104338350B (en) Automatic continuous cleaning and filtering quicksand device
JP2004268005A (en) Waste water treating equipment
KR101846421B1 (en) Non-point pollution reducing system
JP2006088031A (en) Method and apparatus for regulating flow rate, and filtration apparatus
JP3984145B2 (en) Cleaning method for solid-liquid separator
JP6599096B2 (en) Filtration basin cleaning method and water treatment apparatus
WO2012154135A1 (en) Biological treatment process and installation including air-lift and post -treatment in filter
CN208055012U (en) A kind of sewage denitrification processing system
JP2012045459A5 (en) Natural equilibrium filtration apparatus and method with slow-down cleaning means
CN109502802A (en) A kind of integral water purifier
JP4672993B2 (en) Media and membrane filtration combined filtration equipment
JP5072050B2 (en) Media and membrane filtration combined filtration equipment and operation method thereof
CN203411417U (en) Backflow continuous type filtering purifier
KR100949579B1 (en) Equipment and Method of thickening and reuse for the Sand Filters Backwashing Water by using Submerged Hollow Fiber Membrane
WO2018047453A1 (en) Filtration device
KR200423268Y1 (en) An apparatus for cleaning wastewater
CN206184093U (en) Fiber rotary disc filter
JP4382251B2 (en) Membrane physical cleaning wastewater concentration method
JP2001219009A (en) Filter medium filling type filter device
KR100819541B1 (en) Equipment and method of thickening sludge and precipitation sludge useing pipe membrane cross flow
JPH09276610A (en) Valveless filtering device
CN216155667U (en) Integrated river water purifying equipment
JPH055923Y2 (en)
KR200242570Y1 (en) Filter for treatment of wastewater

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070301

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090914

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090924

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20100302