JPH0671275A - Septic tank - Google Patents
Septic tankInfo
- Publication number
- JPH0671275A JPH0671275A JP24878392A JP24878392A JPH0671275A JP H0671275 A JPH0671275 A JP H0671275A JP 24878392 A JP24878392 A JP 24878392A JP 24878392 A JP24878392 A JP 24878392A JP H0671275 A JPH0671275 A JP H0671275A
- Authority
- JP
- Japan
- Prior art keywords
- treatment chamber
- septic tank
- aerobic
- tank
- anaerobic
- 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.)
- Withdrawn
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は便所や洗面所、風呂、厨
房などからの汚水を浄化して放流するための浄化槽に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a septic tank for purifying and discharging sewage from a toilet, washroom, bath, kitchen or the like.
【０００２】[0002]
【従来の技術】便所から排出されるし尿、洗面所、風
呂、厨房などから排出される廃水を浄化する従来の浄化
槽には、廃水中の有機物を嫌気性菌により分解する嫌気
性処理室、廃水中の有機物を好気性菌により分解すると
共に、嫌気性処理質で生成したアンモニア性窒素を硝酸
性窒素に変換する好気性処理室および汚泥と清浄な上澄
み液とを分離する沈降分離室を備えたものがある。2. Description of the Related Art Conventional septic tanks for purifying wastewater discharged from toilets, washrooms, baths, kitchens, etc. include anaerobic treatment chambers that decompose organic substances in wastewater by anaerobic bacteria and wastewater. It is equipped with an aerobic treatment chamber for decomposing organic substances in aerobic bacteria with aerobic bacteria and for converting the ammoniacal nitrogen produced in the anaerobic digest to nitrate nitrogen, and a sedimentation separation chamber for separating sludge from clean supernatant liquid. There is something.
【０００３】しかしながら、沈降分離室を備えた浄化槽
は浄化槽全体が大型化し、また固液分離機能も充分でな
いので、沈降分離室の代りに膜分離装置を適用した浄化
槽が、特公昭６４−９０７４号公報及び特開平３−９８
６９７号公報等に開示されている。However, the septic tank equipped with a sedimentation separation chamber is large in size and does not have a sufficient solid-liquid separation function. Therefore, a septic tank to which a membrane separation device is applied instead of the sedimentation separation chamber is Japanese Patent Publication No. Sho 64-9074. Japanese Patent Laid-Open No. 3-98
No. 697 is disclosed.
【０００４】[0004]
【発明が解決しようとする課題】上述した膜分離装置を
適用した従来の浄化槽にあっては、いずれも膜分離装置
を好気性処理室内に配置しており、膜分離装置を運転す
るためのポンプは浄化槽の外部に設けている。また、従
来の浄化槽にあっては膜分離装置を透過した透過液の殺
菌を行なう消毒槽についてもその配置位置について配慮
したものがない。In each of the conventional septic tanks to which the above-mentioned membrane separation device is applied, the membrane separation device is arranged in the aerobic treatment chamber, and a pump for operating the membrane separation device is used. Is provided outside the septic tank. Further, in the conventional septic tank, there is no disinfection tank for sterilizing the permeated liquid that has permeated through the membrane separation device in consideration of the arrangement position.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決すべく本
発明は、浄化槽本体内に嫌気処理室及び好気処理室の他
に隔壁によって最終処理室を画成し、この最終処理室に
膜分離装置、この膜分離装置を運転するポンプ及び消毒
槽を組み込んだ。In order to solve the above problems, the present invention defines a final treatment chamber by a partition in addition to an anaerobic treatment chamber and an aerobic treatment chamber in a septic tank main body, and a membrane is provided in this final treatment chamber. A separation device, a pump for operating this membrane separation device and a disinfection tank were incorporated.
【０００６】[0006]
【作用】好気性処理室での処理が終了した廃水はポンプ
によって膜分離装置に送られ、膜分離装置の分離膜を透
過した透過液は消毒槽に送られ、塩素等で消毒された
後、放出される。[Operation] The wastewater that has been treated in the aerobic treatment chamber is sent to the membrane separation device by a pump, the permeated liquid that has passed through the separation membrane of the membrane separation device is sent to the disinfection tank, and after being disinfected with chlorine, Is released.
【０００７】[0007]
【実施例】以下に本発明の実施例を添付図面に基づいて
説明する。ここで、図１は本発明に係る浄化槽の縦断面
図、図２は同浄化槽の平断面図、図３は図１のＡ−Ａ方
向矢視図である。Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is a longitudinal sectional view of the septic tank according to the present invention, FIG. 2 is a plan sectional view of the septic tank, and FIG. 3 is a view taken in the direction of arrow AA in FIG.
【０００８】浄化槽はＦＲＰ等からなる本体１内を隔壁
２…によって左側から順に、第１嫌気性処理室３、第２
嫌気性処理室４、第１好気性処理室５、第２好気性処理
室６、汚泥濃縮貯溜槽７及び最終処理室８に画成してい
る。ここで、第２好気性処理室６と汚泥濃縮貯溜槽７は
本体１の幅方向に並設されるとともに隔壁９にて画成さ
れている。The septic tank comprises a first anaerobic treatment chamber 3 and a second anaerobic treatment chamber 3 in order from the left side in the main body 1 made of FRP or the like by partition walls 2 ...
It is divided into an anaerobic treatment chamber 4, a first aerobic treatment chamber 5, a second aerobic treatment chamber 6, a sludge concentration storage tank 7 and a final treatment chamber 8. Here, the second aerobic treatment chamber 6 and the sludge enrichment storage tank 7 are arranged side by side in the width direction of the main body 1 and are defined by the partition wall 9.
【０００９】第１嫌気性処理室３及び第２嫌気性処理室
４内にはメタン菌や脱窒菌を含む嫌気性菌が付着した濾
床１０が配置され、第１好気性処理室５及び第２好気性
処理室６内には硝化菌を含む好気性菌が付着した濾床１
１が配置されている。そして第１嫌気性処理室３と第２
嫌気性処理室４とは隔壁２に形成した連通孔１２にてつ
ながり、第２嫌気性処理室４と第１好気性処理室５とは
隔壁２に形成した連通孔１３にてつながり、第１好気性
処理室５と第２好気性処理室６とは隔壁２に形成した連
通孔１４にてつながっている。In the first anaerobic treatment chamber 3 and the second anaerobic treatment chamber 4, a filter bed 10 to which anaerobic bacteria including methane bacteria and denitrifying bacteria adhere is arranged, and the first aerobic treatment chamber 5 and 2 Filter bed 1 to which aerobic bacteria including nitrifying bacteria adhere in aerobic treatment chamber 6
1 is arranged. And the first anaerobic treatment chamber 3 and the second
The anaerobic treatment chamber 4 is connected by a communication hole 12 formed in the partition wall 2, and the second anaerobic treatment chamber 4 and the first aerobic treatment chamber 5 are connected by a communication hole 13 formed in the partition wall 2, The aerobic treatment chamber 5 and the second aerobic treatment chamber 6 are connected by a communication hole 14 formed in the partition wall 2.
【００１０】また、最終処理室８内には支持台１５上に
ポンプ１６及び膜分離装置１７を設け、ポンプ１６にて
第２好気性処理室６内の廃水を吸引して膜分離装置１７
に送り込むようにしている。A pump 16 and a membrane separation device 17 are provided on a support 15 in the final treatment chamber 8, and the pump 16 sucks the waste water in the second aerobic treatment chamber 6 to cause the membrane separation device 17 to be sucked.
I am sending it to.
【００１１】そして、膜分離装置１７内に組み込んだ分
離膜によって廃水を汚泥を含む濃縮液と清浄な透過液と
に分離し、濃縮液については配管１８を介して前記第２
好気性処理室６及び汚泥濃縮貯溜槽７に戻すようにして
いる。即ち、配管１８の途中から分岐管１８ａ、１８ｂ
を分岐し、分岐管１８ａの先端にはエジェクタ１９を取
り付け、濃縮液の一部がエジェクタ１９を通過して第２
好気性処理室６に戻される際にエアを巻き込んで、第２
好気性処理室６のエアレーションを行なうようにし、ま
た分岐管１８ｂの途中にはタイマーバルブ２０を設け、
間欠的に濃縮液を汚泥濃縮貯溜槽７に排出し、汚泥濃縮
貯溜槽７で沈降分離せしめた余分な汚泥をパイプ２１を
介して定期的に引き抜くようにしている。Then, the wastewater is separated into a concentrated liquid containing sludge and a clean permeated liquid by a separation membrane incorporated in the membrane separation device 17, and the concentrated liquid is supplied through the pipe 18 to the second liquid.
It is returned to the aerobic treatment chamber 6 and the sludge concentration storage tank 7. That is, from the middle of the pipe 18 to the branch pipes 18a, 18b
And an ejector 19 is attached to the tip of the branch pipe 18a so that a part of the concentrated liquid passes through the ejector 19 and the second
When the air is returned to the aerobic treatment chamber 6, the air is trapped and the second
The aerobic treatment chamber 6 is aerated, and a timer valve 20 is provided in the middle of the branch pipe 18b.
The concentrated liquid is intermittently discharged to the sludge thickening storage tank 7, and the excess sludge settled and separated in the sludge thickening storage tank 7 is regularly withdrawn through a pipe 21.
【００１２】一方、膜分離装置１７の分離膜を透過して
二次側に出た透過液は配管２２を介して最終処理室８内
の上部に配置された計量ボックス２３に送られ、この計
量ボックス２３から一定量の透過液が消毒槽２４に連続
して供給される。また計量ボックス２３に送られた残り
の透過液は配管２５を介して第１嫌気性処理室３に戻さ
れる。On the other hand, the permeated liquid that has permeated through the separation membrane of the membrane separation device 17 and has exited to the secondary side is sent via a pipe 22 to a weighing box 23 arranged in the upper part of the final processing chamber 8 and this weighing is performed. A fixed amount of permeated liquid is continuously supplied from the box 23 to the disinfection tank 24. The remaining permeate sent to the weighing box 23 is returned to the first anaerobic treatment chamber 3 via the pipe 25.
【００１３】以上において、第１嫌気性処理室３に供給
された廃水は第１嫌気性処理室３及び第２嫌気性処理室
４において嫌気性菌の作用により有機物が分解され低分
子化する。窒素成分の一部又は全部はアンモニア性窒素
となり、炭素成分の一部はメタン菌等の作用によりメタ
ンガスや炭酸ガスに分解され、大気中に放出される。次
いで処理液は第１好気性処理室５及び第２好気性処理室
６において好気性菌の作用により有機物が分解されると
共に硝化菌の作用により処理液中のアンモニア性窒素が
硝酸性窒素に変換される。この硝酸性窒素は膜透過液の
返送水として循環パイプ２５により第１嫌気性処理室３
に戻されて第１、第２嫌気性処理室３，４内で脱窒菌の
作用により窒素ガスに変換され大気中に放出される。ま
た、汚泥濃縮貯溜槽７の脱離液は戻し管２６によりポン
プ又はエアリフト作用で第１嫌気性処理室３に定期的に
返送される。In the above, the wastewater supplied to the first anaerobic treatment chamber 3 is decomposed into organic matter by the action of the anaerobic bacteria in the first anaerobic treatment chamber 3 and the second anaerobic treatment chamber 4 to be reduced in molecular weight. Part or all of the nitrogen component becomes ammonia nitrogen, and part of the carbon component is decomposed into methane gas and carbon dioxide gas by the action of methane bacteria and the like, and is released into the atmosphere. Next, in the treatment liquid, organic substances are decomposed by the action of aerobic bacteria in the first aerobic treatment chamber 5 and the second aerobic treatment chamber 6, and the ammonia nitrogen in the treatment liquid is converted into nitrate nitrogen by the action of nitrifying bacteria. To be done. This nitrate nitrogen is used as return water for the membrane permeate through the circulation pipe 25 and the first anaerobic treatment chamber 3
Is converted into nitrogen gas by the action of denitrifying bacteria in the first and second anaerobic treatment chambers 3 and 4, and is released into the atmosphere. The desorbed liquid in the sludge thickening storage tank 7 is periodically returned to the first anaerobic treatment chamber 3 by the pump or the air lift action by the return pipe 26.
【００１４】尚、実施例にあっては消毒槽２４から浄化
した処理水を直接放出するようにしているが、最終処理
室８の支持台１５の下方部分を貯溜槽２７とし、この貯
溜槽２７に一旦溜めてから放出するようにしてもよい。
また貯溜槽２７については最終処理室８の上部に設けて
もよい。In the embodiment, the purified treated water is directly discharged from the disinfection tank 24. However, the lower portion of the support table 15 in the final treatment chamber 8 is used as the storage tank 27, and the storage tank 27 is used. You may make it accumulate | store once and discharge | release.
Further, the storage tank 27 may be provided above the final processing chamber 8.
【００１５】[0015]
【発明の効果】以上に説明した如く本発明によれば、浄
化槽の一端部に最終処理室を設け、この最終処理室内に
膜分離装置、この膜装置を運転するポンプ及び消毒槽を
組み込んだので、浄化槽全体のスペースがコンパクトに
なって設置しやすくなり、更に最終処理室に隣接して汚
泥濃縮貯溜槽を設けることで、好気性処理室内の硝化菌
等の好気性菌体濃度の制御を簡単に行なうことができ
る。As described above, according to the present invention, the final treatment chamber is provided at one end of the septic tank, and the membrane separation device, the pump for operating the membrane device, and the disinfection tank are incorporated in the final treatment chamber. The overall space of the septic tank is compact and easy to install, and by installing a sludge concentration storage tank adjacent to the final treatment chamber, it is easy to control the concentration of aerobic bacteria such as nitrifying bacteria in the aerobic treatment chamber. Can be done
【図１】本発明に係る浄化槽の縦断面図FIG. 1 is a vertical sectional view of a septic tank according to the present invention.
【図２】同浄化槽の平断面図FIG. 2 is a plan sectional view of the septic tank.
【図３】図１のＡ−Ａ方向矢視図FIG. 3 is a view on arrow AA of FIG.
１…浄化槽本体、３，４…嫌気性処理室、５，６…好気
性処理室、７…汚泥濃縮貯溜槽、８…最終処理室、１６
…ポンプ、１７…膜分離装置、２３…計量ボックス、２
４…消毒槽。1 ... Septic tank main body, 3, 4 ... Anaerobic treatment chamber, 5, 6 ... Aerobic treatment chamber, 7 ... Sludge concentration storage tank, 8 ... Final treatment chamber, 16
… Pump, 17… Membrane separation device, 23… Weighing box, 2
4 ... Disinfection tank.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 下寺 健一 福岡県北九州市小倉北区中島２丁目１番１ 号 東陶機器株式会社内 (72)発明者 三浦 勲 福岡県北九州市小倉北区中島２丁目１番１ 号 東陶機器株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Kenichi Shimodera Kenichi Shimodera 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu City, Fukuoka Prefecture Totoki Kikai Co., Ltd. (72) Isao Miura, Nakajima, Kokurakita-ku, Kitakyushu, Fukuoka 2-1, 1-1 Totoki Equipment Co., Ltd.
Claims (3)
び好気性処理室を画成した浄化槽において、前記浄化槽
本体の一端部で好気性処理室に隣接する部分に最終処理
室を隔壁にて画成し、この最終処理室に膜分離装置、こ
の膜分離装置を運転するポンプ及び消毒槽を組み込んだ
ことを特徴とする浄化槽。1. A septic tank in which an anaerobic treatment chamber and an aerobic treatment chamber are defined by partition walls in the septic tank main body, and a final treatment chamber is a partition wall at a portion adjacent to the aerobic treatment chamber at one end of the septic tank main body. A septic tank characterized by including a membrane separation device, a pump for operating the membrane separation device, and a disinfection tank in the final treatment chamber.
らの濃縮液を受け取り汚泥を沈降分離する汚泥濃縮貯溜
槽を設けていることを特徴とする請求項１に記載の浄化
槽。2. The septic tank according to claim 1, further comprising a sludge concentrating storage tank adjacent to the final treatment chamber for receiving the concentrated liquid from the membrane separation device and settling and separating the sludge.
部に食込む形で設けられることを特徴とする請求項２に
記載の浄化槽。3. The septic tank according to claim 2, wherein the sludge enrichment storage tank is provided so as to dig into a part of the aerobic treatment chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24878392A JPH0671275A (en) | 1992-08-25 | 1992-08-25 | Septic tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24878392A JPH0671275A (en) | 1992-08-25 | 1992-08-25 | Septic tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0671275A true JPH0671275A (en) | 1994-03-15 |
Family
ID=17183332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24878392A Withdrawn JPH0671275A (en) | 1992-08-25 | 1992-08-25 | Septic tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0671275A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000060839A (en) * | 1999-03-19 | 2000-10-16 | 안세영 | Package type domestic and industrial wastewater treatment system |
| US6863817B2 (en) | 2002-12-05 | 2005-03-08 | Zenon Environmental Inc. | Membrane bioreactor, process and aerator |
| CN100340500C (en) * | 2004-05-21 | 2007-10-03 | 叶茂杨 | Middle water reuse process with compound bacteria and membrane bioreactor and apparatus therefor |
-
1992
- 1992-08-25 JP JP24878392A patent/JPH0671275A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000060839A (en) * | 1999-03-19 | 2000-10-16 | 안세영 | Package type domestic and industrial wastewater treatment system |
| US6863817B2 (en) | 2002-12-05 | 2005-03-08 | Zenon Environmental Inc. | Membrane bioreactor, process and aerator |
| US7022236B2 (en) | 2002-12-05 | 2006-04-04 | Zenon Environmental Inc. | Membrane bioreactor, process and aerator |
| CN100340500C (en) * | 2004-05-21 | 2007-10-03 | 叶茂杨 | Middle water reuse process with compound bacteria and membrane bioreactor and apparatus therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19991102 |