JP2987038B2 - Filtration device - Google Patents
Filtration deviceInfo
- Publication number
- JP2987038B2 JP2987038B2 JP5262636A JP26263693A JP2987038B2 JP 2987038 B2 JP2987038 B2 JP 2987038B2 JP 5262636 A JP5262636 A JP 5262636A JP 26263693 A JP26263693 A JP 26263693A JP 2987038 B2 JP2987038 B2 JP 2987038B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- filtration
- filtered water
- filtration tank
- filtered
- 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.)
- Expired - Fee Related
Links
Landscapes
- Filtration Of Liquid (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【産業上の利用分野】本発明は、都市下水や有機性排水
などの活性汚泥処理水に浮遊残存する微細な汚泥フロッ
ク、或いは産業排水などに含有する混濁固形粒子などを
除去するための濾過装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filtration device for removing fine sludge flocs floating and remaining in activated sludge treated water such as municipal sewage and organic wastewater, or turbid solid particles contained in industrial wastewater and the like. About.
【０００２】[0002]
【従来の技術】従来のこの種の濾過装置は、例えば、特
公昭５７ー１４８８６号公報に記載されているように、
濾過槽内に原水流入端側と濾過水流出端側との間に間隔
を置いて並列に配設した複数の濾過体間にそれぞれ濾過
室を区画形成し、この各濾過体の上端部から上方に処理
水不透過性材にて形成された溢水堰を突設し、この濾過
水流出端側の溢水堰と濾過槽の濾過水流出端側壁との間
の濾過体の上端部に濾過水流出堰を設けた構造が採られ
ている。2. Description of the Related Art A conventional filter of this type is disclosed in, for example, Japanese Patent Publication No. 57-14886.
In the filtration tank, filtration chambers are respectively formed between a plurality of filtration media arranged in parallel at intervals between the raw water inflow end side and the filtered water outflow end side. An overflow weir made of a treated water impermeable material protrudes from the filter, and the filtered water flows out to the upper end of the filter between the overflow weir on the filtered water outflow end and the filtered water outflow end side wall of the filtration tank. A structure with a weir is adopted.
【０００３】そして、前記各濾過体に目詰まりが生じて
濾過抵抗が極限に達したときには、濾過槽への原水の流
入を止め、各濾過室の下部に設けた空気噴出管より空気
を吹き込み、各濾過室内の処理水を撹拌し、濾過体に付
着している汚泥フロックや混濁固形粒子を離脱させ、さ
らに、各濾過室の下部に設けた洗浄水噴射管から圧力水
を噴出させて濾過体に付着している汚泥フロックや混濁
固形粒子を洗い流すようにしている。When clogging occurs in each of the filter bodies and the filtration resistance reaches the limit, the flow of raw water into the filtration tank is stopped, and air is blown from an air ejection pipe provided at the lower part of each filtration chamber. The treated water in each filtration chamber is stirred to remove sludge flocs and turbid solid particles adhering to the filtration body, and further, pressurized water is jetted from a washing water injection pipe provided at a lower portion of each filtration chamber to filter the filtration body. Sludge flocs and turbid solid particles adhering to the surface are washed away.
【０００４】[0004]
【発明が解決しようとする課題】上記従来の濾過装置で
は、各濾過体に空気や洗浄水を吹き付けても、各濾過体
に汚泥フロックや混濁固形粒子が深く食込んで目詰まり
していると容易に除去できない問題があった。In the above-mentioned conventional filtering apparatus, even if air or washing water is blown on each filter, sludge flocs and turbid solid particles are deeply clogged and clogged in each filter. There was a problem that it could not be easily removed.
【０００５】本発明は上記問題点に鑑みなされたもの
で、濾過槽内に並列に配設した濾過体に付着された汚泥
フロックや混濁固形粒子が容易に除去できる濾過装置を
提供するものである。The present invention has been made in view of the above problems, and provides a filtration device capable of easily removing sludge flocs and turbid solid particles attached to a filter body arranged in parallel in a filtration tank. .
【０００６】[0006]
【課題を解決するための手段】本発明の濾過装置は、濾
過槽と、この濾過槽内に原水流入端側と濾過水流出端側
との間に間隔を置いて並列に配設した複数の濾過体間に
それぞれ区画形成される濾過室と、前記各濾過体の上端
部から上方に突設され処理水不透過性材にて形成された
溢水堰と、この濾過水流出端側の溢水堰および濾過槽の
濾過水流出端側壁間の前記濾過体の上端部に設けられた
濾過水流出堰とを備え、前記各濾過体はスポンジ状の多
孔質体にて形成され、これら各濾過体を互いに接離方向
に移動可能に設けられ、前記各濾過体を互いに接近する
方向に移動させて圧縮することにより前記各濾過体に付
着した汚泥フロックや混濁固形粒子などを離脱させるも
のである。According to the present invention, there is provided a filtration apparatus comprising: a filtration tank; and a plurality of filtration tanks arranged in parallel in the filtration tank at intervals between a raw water inflow end and a filtered water outflow end. a filtration chamber which are respectively partitioned and formed between the filter body, wherein the overflow weir formed by the filter body is projected from the upper end portion above the treated water impermeable material, overflow weir of the filtered water outlet end and a filtered water outlet weir provided at the upper end of the filter body of the filtered water outlet end walls of the filtration tank, wherein each of the filter body is formed by a sponge-like porous body, these each The filter bodies are provided so as to be movable toward and away from each other, and the filter bodies approach each other.
In the direction of compression to compress each filter.
Sludge flocs and turbid solid particles that have been deposited are released .
【０００７】[0007]
【作用】本発明の濾過装置は、濾過槽内に原水流入端側
から都市下水や有機性排水などの活性汚泥処理水に浮遊
残存する微細な汚泥フロック、或いは産業排水などの原
水を流入させると、原水流入端側の濾過室の濾過体にて
原水は濾過され、汚泥フロックや混濁固形粒子などが濾
過体にて捕捉され、順次濾過体にて濾過されて濾過水流
出端側から処理濾過水が流出される。そして、原水流入
端側の濾過体から順次目詰まりが生じると濾過抵抗が高
くなり、濾過流量が減少して濾過室の液面が上昇し、原
水は溢水堰を越えて隣接した濾過室に流入され、順次各
濾過体が目詰まりすると原水は溢水堰を越え、最後の濾
過体が目詰まりしたときに、原水の流入を止める。According to the filter of the present invention, fine sludge floc floating in the activated sludge treated water such as municipal sewage or organic wastewater or raw water such as industrial wastewater flows into the filtration tank from the inflow end side of the raw water. The raw water is filtered by the filter in the filtration chamber on the side of the raw water inflow end, and sludge flocs and turbid solid particles are captured by the filter, sequentially filtered by the filter, and treated filtered water from the filtrate outflow end. Is leaked. Then, if clogging occurs sequentially from the filter body on the raw water inflow end side, the filtration resistance increases, the filtration flow rate decreases, the liquid level in the filtration chamber rises, and the raw water flows over the overflow weir into the adjacent filtration chamber. When each filter is sequentially clogged, the raw water passes over the overflow weir, and when the last filter is clogged, the flow of the raw water is stopped.
【０００８】そして、各濾過体を互いに接近する方向に
移動させて圧接し、濾過体に付着した汚泥フロックや混
濁固形粒子などを離脱させる。Then, the respective filter bodies are moved in a direction approaching each other and pressed against each other to remove sludge flocs and turbid solid particles adhered to the filter bodies.
【０００９】[0009]
【実施例】次に本発明の濾過装置の一実施例の構成を図
面に基づいて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the construction of an embodiment of the filtration device of the present invention will be described with reference to the drawings.
【００１０】図１において、１は濾過槽で、この濾過槽
１内には上面を開口した可撓性シートにて形成した筐体
状体２がその外面をこの濾過槽１の内面に沿って配設す
る。この筐体状体２内に前記濾過槽１の原水流入端側1a
と濾過水流出端側1bとの間に間隔を置いて並列に配設し
た複数の濾過体３の両端を液密に固着し、この各濾過体
３にてこの濾過体３間にそれぞれ濾過室４を区画形成す
る。In FIG. 1, reference numeral 1 denotes a filtration tank. A housing 2 formed of a flexible sheet having an open upper surface has an outer surface extending along the inner surface of the filtration tank 1. Arrange. The raw water inflow end side 1a of the filtration tank 1 is provided in the housing 2.
The two ends of a plurality of filter bodies 3 arranged in parallel with a space between the filter body and the filtered water outflow end side 1b are fixed in a liquid-tight manner, and each filter body 3 has a filtration chamber between the filter bodies 3. 4 is formed.
【００１１】この各濾過室４を形成する各濾過体３は同
一の濾過能力を有しスポンジ状の多孔質体５の両面を金
網６を被覆して構成される。また、この各濾過体３の上
端部から上方に高さ調節可能に処理水不透過性材にて形
成された溢水堰７が突設されている。Each filter body 3 forming each filtration chamber 4 has the same filtration capacity and is formed by covering both sides of a sponge-like porous body 5 with a wire mesh 6. Also, an overflow weir 7 made of a treated water impermeable material protrudes upward from the upper end of each filter body 3 so as to be adjustable in height.
【００１２】また、この濾過水流出端側1bの溢水堰７を
設けた濾過槽１の濾過水流出端側1b壁との間の濾過体３
の上端部に濾過水流出堰８が高さ調節可能に設けられて
いる。The filter body 3 between the filtered water outflow end 1b and the wall of the filtration water outflow end 1b of the filtration tank 1 provided with the overflow weir 7 on the filtered water outflow end 1b.
A filtered water outflow weir 8 is provided at the upper end of the to be adjustable in height.
【００１３】なお、この溢水堰７と濾過水流出堰８の最
上高さ位置は前記筐体状体２の開口縁より低い位置とな
っている。Note that the uppermost positions of the overflow weir 7 and the filtered water outflow weir 8 are lower than the opening edge of the housing 2.
【００１４】そして、前記各濾過体３は筐体状体２の可
撓性により各濾過体３は互いに接離方向に移動可能とな
っている。Each of the filter bodies 3 is movable in the direction of contact and separation with each other due to the flexibility of the housing 2.
【００１５】また、前記濾過槽１にはその原水流入端側
1aの上面開口部に原水流入管９が接続され、また、濾過
水流出端側1bに濾過水流出管10が設けられている。The filtration tank 1 has a raw water inflow end side.
A raw water inflow pipe 9 is connected to the upper opening of 1a, and a filtered water outflow pipe 10 is provided on the filtered water outflow end side 1b.
【００１６】さらに、各各濾過室４の上面開口部位置に
洗浄水噴出管11が設けられている。次にこの実施例の作
用を説明する。Further, a washing water ejection pipe 11 is provided at the position of the upper opening of each filtration chamber 4. Next, the operation of this embodiment will be described.
【００１７】濾過槽１内に原水流入端側1aから都市下水
や有機性排水などの活性汚泥処理水に浮遊残存する微細
な汚泥フロック、或いは産業排水などの原水を流入させ
ると、原水流入端側1aの濾過室４に流入される。そし
て、濾過体３にて原水は濾過され、汚泥フロックや混濁
固形粒子などが濾過体３にて捕捉され、順次濾過体３に
て濾過されて濾過水流出端側1bの濾過室４に流動し、こ
の濾過室４から処理濾過水が濾過水流出堰８を越えて流
出される。When raw water such as fine sludge flocs floating in the activated sludge treated water such as municipal sewage or organic wastewater or industrial wastewater flows into the filtration tank 1 from the raw water inflow end side 1a, the raw water inflow end side It flows into the filtration chamber 4 of 1a. Then, the raw water is filtered by the filter body 3, and sludge flocs and turbid solid particles are captured by the filter body 3, and are sequentially filtered by the filter body 3 and flow into the filtration chamber 4 on the outflow end side 1 b of the filtered water. From the filtration chamber 4, the treated filtered water flows out over the filtered water outflow weir 8.
【００１８】そして、原水流入端側1aの濾過体３に目詰
まりが生じると、その濾過体３の濾過抵抗が高くなり、
濾過流量が減少して濾過室４の液面が上昇し、原水は溢
水堰７を越えて隣接した二段目の濾過室４に流入され、
この濾過室４の濾過体３にて濾過され、濾過処理水は順
次濾過体３を通過して最終段の濾過体４を通過して処理
水は流出される。When the filter 3 on the raw water inflow end 1a is clogged, the filtration resistance of the filter 3 increases,
The filtration flow rate decreases, the liquid level in the filtration chamber 4 rises, and the raw water flows into the adjacent second-stage filtration chamber 4 over the overflow weir 7,
The filtered water is filtered by the filter 3 in the filter chamber 4, and the filtered water passes through the filter 3 sequentially, passes through the filter 4 at the final stage, and the treated water flows out.
【００１９】このように、順次各濾過体３が目詰まりす
ると原水は順次溢水堰７を越え、最後の濾過体が目詰ま
りしたときに、濾過槽１への原水の流入を止める。As described above, when the filter bodies 3 are sequentially clogged, the raw water sequentially passes through the overflow weir 7, and when the last filter body is clogged, the flow of the raw water into the filtration tank 1 is stopped.
【００２０】次いで、筐体状体２を折り畳み状に収縮さ
せて各濾過体３を互いに接近する方向に接離方向に移動
させて繰り返し圧接して押し潰し、濾過体３に付着した
汚泥フロックや混濁固形粒子などを離脱させる。Next, the housing body 2 is contracted in a folded state, and the respective filter bodies 3 are moved in the directions of approaching and separating from each other, repeatedly pressed and crushed, and the sludge floc attached to the filter body 3 is removed. Separate turbid solid particles and the like.
【００２１】そして、各濾過体３を離反させてこの濾過
体３間の濾過室４に洗浄水を注入し、濾過体１から離反
した汚泥フロックや混濁固形粒子などを濾過体１から洗
い流し、溢水堰７を溢水させ、濾過槽１から排出させ
る。Then, the filter bodies 3 are separated from each other, washing water is poured into the filtration chamber 4 between the filter bodies 3, and the sludge flocs and turbid solid particles separated from the filter bodies 1 are washed away from the filter body 1 and overflow. The weir 7 overflows and is discharged from the filtration tank 1.
【００２２】[0022]
【発明の効果】本発明によれば、濾過体の目詰まりによ
って順次次段の濾過体によって濾過され、各濾過体が目
詰まりとなったときに、各濾過体をそれぞれ移動させて
圧接することにより各濾過体に深く付着した汚泥フロッ
クや混濁固形粒子などが確実に遊離し、濾過体に深く付
着した汚泥フロックや混濁固形粒子などの除去が容易に
できる。According to the present invention, the filters are sequentially filtered by the next-stage filter due to clogging of the filter, and when each filter is clogged, each filter is moved and pressed. As a result, sludge flocs and turbid solid particles that have deeply adhered to the respective filter bodies are reliably released, and sludge flocs and turbid solid particles that have deeply adhered to the filter bodies can be easily removed.
【図１】本発明の一実施例を示す濾過装置の縦断面図で
ある。FIG. 1 is a longitudinal sectional view of a filtration device showing one embodiment of the present invention.
【図２】同上濾過体の斜視図である。FIG. 2 is a perspective view of the filter body.
１ 濾過槽 1a 原水流入端側 1b 濾過水流出端側 ３ 濾過体 ４ 濾過室 ７ 溢水堰 ８ 濾過水流出堰 DESCRIPTION OF SYMBOLS 1 Filtration tank 1a Raw water inflow end side 1b Filtration water outflow end side 3 Filtration body 4 Filtration room 7 Overflow weir 8 Filtration water outflow weir
Claims (1)
と濾過水流出端側との間に間隔を置いて並列に配設した
複数の濾過体間にそれぞれ区画形成される濾過室と、前
記各濾過体の上端部から上方に突設され処理水不透過性
材にて形成された溢水堰と、この濾過水流出端側の溢水
堰および濾過槽の濾過水流出端側壁間の前記濾過体の上
端部に設けられた濾過水流出堰とを備え、 前記各濾過体はスポンジ状の多孔質体にて形成され、こ
れら各濾過体を互いに接離方向に移動可能に設けられ、
前記各濾過体を互いに接近する方向に移動させて圧縮す
ることにより前記各濾過体に付着した汚泥フロックや混
濁固形粒子などを離脱させることを特徴とした濾過装
置。1. A filtration chamber formed between a filtration tank and a plurality of filter bodies arranged in parallel at intervals between a raw water inflow end side and a filtered water outflow end side in the filtration tank. And before
Serial and overflow weir formed by the filter body is projected upward from the upper end portion of the treated water impermeable material, wherein the filtered water outlet end walls of the overflow weir and a filtration tank of the filtered water outlet end and a filtered water outlet weir provided at the upper end of the filter body, wherein each of the filter body is formed by a sponge-like porous body, this
Each of these filter bodies is provided so as to be able to move toward and away from each other ,
The respective filter bodies are moved in a direction approaching each other and compressed.
The sludge floc and the mixture adhering to each filter
A filtration device characterized by removing suspended solid particles and the like .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5262636A JP2987038B2 (en) | 1993-10-20 | 1993-10-20 | Filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5262636A JP2987038B2 (en) | 1993-10-20 | 1993-10-20 | Filtration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07116413A JPH07116413A (en) | 1995-05-09 |
| JP2987038B2 true JP2987038B2 (en) | 1999-12-06 |
Family
ID=17378543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5262636A Expired - Fee Related JP2987038B2 (en) | 1993-10-20 | 1993-10-20 | Filtration device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2987038B2 (en) |
-
1993
- 1993-10-20 JP JP5262636A patent/JP2987038B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07116413A (en) | 1995-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1601671A (en) | Separator for two immiscible liquids | |
| US5795472A (en) | Multistage filter device including a housing with removable sidewalls having a filtering capacity | |
| CA1242979A (en) | Pressure filter (hpc clarifil) | |
| US5397465A (en) | Diatomaceous swimming pool filter with regenerative plates | |
| US5591331A (en) | Filter device including a housing with removable sidewalls having a filtering capacity | |
| MXPA05013350A (en) | Solid liquid filtration apparatus and method. | |
| JPS58156313A (en) | Filter apparatus | |
| JP2987038B2 (en) | Filtration device | |
| JP2599538B2 (en) | Inclined plate type sedimentation tank and method for preventing clogging thereof | |
| JPH04215808A (en) | Sand filter apparatus | |
| JPS6216125B2 (en) | ||
| JPH06277407A (en) | Device filtering suspension liquid | |
| JPH0450842B2 (en) | ||
| JP4203255B2 (en) | Downflow filtration device and downflow filtration method | |
| KR101705299B1 (en) | Filtation apparatus using back washing type float media | |
| US11878259B2 (en) | Pneumatic-hydraulic method for back-flushing and device for back-flushing fluid filters using an integrated fluid-dynamic cleaning process | |
| JP4471702B2 (en) | Inflatable filter | |
| KR100323852B1 (en) | Clearing system of a foul solution and irresoluble solution | |
| HU194065B (en) | Filtering device for separating solid matters from fluids | |
| JPH078001Y2 (en) | Settling equipment for sludge treatment | |
| KR101345261B1 (en) | Filtering apparatus without back wash | |
| SU1782627A1 (en) | Filter for purifying liquids | |
| KR200171835Y1 (en) | Clearing system of a foul solution and irresoluble solution | |
| JPH0615108A (en) | Solid-liquid separator | |
| JPS5845765Y2 (en) | “Filtration” equipment for pond water, etc. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |