JPH07124578A - Biomembrane filter tank - Google Patents
Biomembrane filter tankInfo
- Publication number
- JPH07124578A JPH07124578A JP5273767A JP27376793A JPH07124578A JP H07124578 A JPH07124578 A JP H07124578A JP 5273767 A JP5273767 A JP 5273767A JP 27376793 A JP27376793 A JP 27376793A JP H07124578 A JPH07124578 A JP H07124578A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- filtration tank
- carrier
- biofilm filtration
- backwash
- 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
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、円板型をした浄化槽
の生物膜濾過槽に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a biofilm filtration tank of a disc type septic tank.
【０００２】[0002]
【従来の技術】最近、例えば処理対象人員が１５人以上
の小規模合併処理浄化槽が家庭用生活排水・汚水の処理
施設として急速に普及してきている。そして、これらの
合併処理浄化槽としては、地下埋設式の円筒横型タンク
方式が一般に広く用いられている。2. Description of the Related Art Recently, a small-scale combined treatment septic tank having, for example, 15 or more persons to be treated has been rapidly spread as a domestic wastewater / sewage treatment facility. As the combined treatment septic tank, a underground horizontal cylindrical horizontal tank system is generally widely used.
【０００３】この種浄化槽の縦断断面図と横断断面図で
ある図７と図８に示すように、この種浄化槽１は、沈殿
分離槽第１室２、沈殿分離槽第２室３、生物膜濾過槽
４、処理水槽５および放流ポンプ槽６をカスケード状に
連結して構成され、地面（ＧＬ）下の床面（ＦＬ）上に
設置される。また、浄化槽１内は、その頂部に開口した
マンホール２４，２５，２６によりその内部が点検・監
視される。As shown in FIG. 7 and FIG. 8 which are a longitudinal sectional view and a transverse sectional view of the seed septic tank, the seed septic tank 1 includes a sedimentation separation tank first chamber 2, a sedimentation separation tank second chamber 3 and a biofilm. The filter tank 4, the treated water tank 5, and the discharge pump tank 6 are connected in a cascade manner and installed on the floor surface (FL) below the ground (GL). Further, the inside of the septic tank 1 is inspected and monitored by manholes 24, 25 and 26 opened at the top thereof.
【０００４】処理すべき原水（生活系排水、汚水）は矢
印で示すように流入管７からまず沈殿分離槽第１室２に
阻流板８に衝突してから流入し、そこで、原水中の固形
物は沈殿・分離され、かつ、沈殿した固形物は嫌気性分
解される。そして、原水は移流口９，１０を経て沈殿分
離槽第２室３内に流下して同様の沈殿・分離処理をされ
て押し出し流れ方式と間欠定量ポンプ１２による流量調
整槽３１，３１からの定量送水とによって生物膜濾過槽
４へ送水される。Raw water to be treated (household wastewater, sewage) first flows from the inflow pipe 7 into the settling separation tank first chamber 2 by colliding with the baffle plate 8 and then flows therein. The solid matter is precipitated and separated, and the precipitated solid matter is anaerobically decomposed. Then, the raw water flows down into the second chamber 3 of the sedimentation separation tank through the advection ports 9 and 10 and is subjected to the same sedimentation / separation processing, and the squeeze flow method and the quantification from the flow rate adjustment tanks 31 and 31 by the intermittent metering pump 12 are performed. Water is sent to the biofilm filtration tank 4 by sending water.
【０００５】生物膜濾過槽４は、隔壁３０ａ，３０ｂ，
３０ｃ，３０ｄによって囲まれて画成され、その中には
支持層３２を介して多数個の多孔質セラミックス担体２
３（例えば、商品名ハイパーミックスいわゆる泡ガラ
ス、粒径２−１５mm）が充填されている。The biofilm filtration tank 4 includes partition walls 30a, 30b,
A plurality of porous ceramics carriers 2 are defined by being surrounded by 30c and 30d with a support layer 32 interposed therebetween.
3 (for example, trade name Hypermix so-called bubble glass, particle size 2-15 mm) is filled.
【０００６】さらに、生物膜濾過槽４の支持層３２の直
下には槽４内に散気する散気管２２と逆洗管２７が配設
されていて、散気用ポンプ（図示せず）と逆洗ポンプ１
８とにそれぞれ接続されている。また、逆洗ポンプ１８
の近傍には処理水戻しエアーリフト１９が立設され、エ
アーリフト配管２０を介して処理水槽５内の処理水を沈
殿分離槽第１室２へ槽内循環水として環流するように構
成されている。なお、このエアーリフトに代えて循環ポ
ンプを用いて循環水を環流させてもよい。生物膜濾過槽
４で処理された処理水は、処理水槽５内に流入する。Further, immediately below the support layer 32 of the biofilm filtration tank 4, an air diffuser pipe 22 and a backwash pipe 27 which diffuse air into the tank 4 are arranged, and a diffuser pump (not shown) is provided. Backwash pump 1
8 and 8 respectively. In addition, backwash pump 18
A treated water return air lift 19 is erected in the vicinity of, and is configured to circulate the treated water in the treated water tank 5 to the sedimentation separation tank first chamber 2 as circulating water in the tank through an air lift pipe 20. There is. A circulating pump may be used instead of the air lift to circulate the circulating water. The treated water treated in the biofilm filtration tank 4 flows into the treated water tank 5.
【０００７】ついで、処理水槽５内には、その出口端に
消毒槽が設けられていて薬剤筒１５からの消毒材により
処理水を消毒して放流ポンプ槽６へ送水する。Next, a disinfecting tank is provided at the outlet end of the treated water tank 5, and the treated water is disinfected by the disinfectant from the medicine container 15 and is sent to the discharge pump tank 6.
【０００８】最後に、処理水は放流ポンプ槽６から放流
ポンプ１６により放流管１７より系外へ放流される。Finally, the treated water is discharged from the discharge pump tank 6 by the discharge pump 16 through the discharge pipe 17 to the outside of the system.
【０００９】[0009]
【発明が解決しようとする課題】しかしながら、従来の
このような浄化槽では、生物膜濾過槽の両側に無駄なス
ペースを占める流量調整槽があった。そのため、処理す
る人槽が増えるほど浄化槽の厚みが大となり、これらが
占めるスペースが大となっていた。However, in such a conventional septic tank, there is a flow rate adjusting tank occupying a wasted space on both sides of the biofilm filtration tank. Therefore, as the number of tanks to be treated increases, the thickness of the septic tank becomes larger and the space occupied by these becomes larger.
【００１０】そこで、この発明では生物膜濾過層を薄い
円板状のケーシングで構成して、その内に所要の部材を
装填して濾過層の厚みをできるだけ薄くして浄化槽全体
のコンパクト化とその製作原価の低減を図ることを目的
とする。In view of this, in the present invention, the biofilm filtration layer is formed of a thin disk-shaped casing, and the required members are loaded into the biofilm filtration layer to make the thickness of the filtration layer as thin as possible, thereby making the entire septic tank compact and The purpose is to reduce production costs.
【００１１】[0011]
【課題を解決するための手段】この発明の生物膜濾過槽
は、円板型のケーシングと、該ケーシング内に配設した
担体受板と、該担体受板上に充填した多数の担体と、担
体受板の真下に配設した散気管と、逆洗水流出口と、ケ
ーシングの上部に配設した原水の流入管とを備える。A biofilm filtration tank according to the present invention comprises a disc type casing, a carrier receiving plate disposed in the casing, and a large number of carriers filled on the carrier receiving plate. The air diffuser is provided directly below the carrier receiving plate, the backwash water outlet is provided, and the raw water inflow pipe is provided above the casing.
【００１２】[0012]
【作用】この発明の生物膜濾過層では、ケーシングの上
部に配設した流入管から濾過槽内に流入した原水は、ケ
ーシング内に充填した担体の間を散気管からの散気を受
けながら流下する間に担体には付着した好気性微生物と
物理的濾過とにより処理されて透明かつ良質の透明水と
して逆洗水流出口から隣接した処理水槽へ送水され、そ
の後、系外へ放流される。In the biofilm filtration layer of the present invention, the raw water flowing into the filtration tank from the inflow pipe arranged in the upper part of the casing flows down between the carriers filled in the casing while receiving air diffusion from the air diffusion pipe. In the meantime, the carrier is treated by aerobic microorganisms attached to the carrier and physical filtration and is sent as clear and high-quality clear water from the backwash water outlet to the adjacent treated water tank, and then discharged to the outside of the system.
【００１３】[0013]
【実施例】以下に、この発明の生物膜濾過槽を備えた浄
化槽を図１について説明する。この浄化槽１は、その縦
断断面図である図１に示すように、図７に示した従来の
浄化槽とほぼ同様に沈殿分離槽第１室２、沈殿分離槽第
２室３、本発明の主要部である生物膜濾過槽４、処理水
槽５および放流ポンプ槽６をカスケード状に連結して構
成される。そのため、従来の浄化槽と同じ部分には同一
符号を付与してその構成および作用の説明は、ここでは
省略する。DESCRIPTION OF THE PREFERRED EMBODIMENTS A septic tank equipped with the biofilm filtration tank of the present invention will be described below with reference to FIG. As shown in FIG. 1 which is a longitudinal sectional view, this septic tank 1 is similar to the conventional septic tank shown in FIG. The biofilm filtration tank 4, the treated water tank 5, and the discharge pump tank 6 are connected in a cascade form. Therefore, the same parts as those of the conventional septic tank are designated by the same reference numerals, and the description of the configuration and operation thereof will be omitted here.
【００１４】従来の浄化槽と同様に、そこで処理水すべ
き原水は、図１に矢印で示すように、流入管７から、ま
ず沈殿分離槽第１室２に阻流板８に衝突してから流入
し、そこで原水中の固型物は沈殿・分離され、かつ、沈
殿した固体物は、嫌気性分解処理される。そして、原水
は移流口９，１０を経て沈殿分離槽第２室３内に流下し
て、そこで、さらに同様の沈殿・分離処理をされ、押し
出し流れ方式と間欠定量ポンプ１２による定量送水とに
よって生物膜濾過槽４へ送水される。この生物膜濾過槽
４では、その中に充填した多孔質セラミックス担体２３
によって生物接触酸化と物理的濾過とによって原水は浄
化されて透明かつ良質の処理水となり、処理水槽５へ送
られてから、放流ポンプ槽６より放流ポンプ１６によっ
て放流管１７から系外へ放流される。Similar to the conventional septic tank, the raw water to be treated therein first collides with the baffle plate 8 from the inflow pipe 7 into the first chamber 2 of the sedimentation separation tank, as shown by the arrow in FIG. Inflow, where solid matter in raw water is precipitated and separated, and the precipitated solid matter is subjected to anaerobic decomposition treatment. Then, the raw water flows down through the advection ports 9 and 10 into the second chamber 3 of the sedimentation separation tank, where it is further subjected to the same sedimentation / separation treatment, and the organism is produced by the extrusion flow method and the quantitative water supply by the intermittent metering pump 12. Water is sent to the membrane filtration tank 4. In this biofilm filtration tank 4, the porous ceramics carrier 23 filled in it
The raw water is purified by biological contact oxidation and physical filtration into transparent and high-quality treated water, sent to the treated water tank 5, and then discharged from the discharge pump tank 6 to the outside of the system by the discharge pump 16 from the discharge pipe 17. It
【００１５】ここで、この発明では、とくに浄化槽１全
体の長さを短くしてその全体のコンパクト化をその原価
低減を図るために図２と図３に示すような薄い円板型の
生物膜濾過槽４を採用した。Here, in the present invention, in particular, in order to shorten the length of the entire septic tank 1 to make the whole compact and to reduce the cost thereof, a thin disk type biofilm as shown in FIGS. 2 and 3. The filtration tank 4 was adopted.
【００１６】図２に示すように、モジュール型をした円
板型の生物膜濾過槽４は、そのコンパクト化と強度を大
にするために輪切り状に構成され、適当な連結手段と配
管とにより他の槽、例えば隣接する沈殿分離槽第２室３
と処理水槽５に浄化槽１の軸心方向で連結され浄化槽１
として一体化され機能する。As shown in FIG. 2, the module-type disc-type biofilm filtration tank 4 is formed in a sliced shape in order to make it compact and to have a high strength, and by a suitable connecting means and piping. Another tank, for example, the second chamber 3 of the adjacent precipitation separation tank
And the treated water tank 5 are connected in the axial direction of the septic tank 1 to the septic tank 1.
Integrated and function as.
【００１７】すなわち、図２に示すように、生物膜濾過
槽４は、ＦＲＰからなるケーシング筒４ｃと平皿板４
ａ，４ｂとからその外殻を構成されている。この生物膜
濾過槽４の外殻内には、その底部にはＦＲＰまたはステ
ンレススチールからなる小孔を多数穿設した担体受板３
２ａが敷設され、その上に所定量の多孔質セラミックス
担体２３（商品名ハイパーミックス、いわゆる泡ガラ
ス）が充填（充填密度、６０〜７０容量％）されてい
る。ここで、処理すべき原水は、多孔質セラミックス担
体３２に付着した好気性微生物によって下向にセラミッ
クス担体２３間を流下する間に散気管（後述する）から
供給される酸素によりＣＯ２とＨ２Ｏとに分解されて、
生物接触酸化と物理的濾過の２つの機能により浄化され
て透明な処理水となる。That is, as shown in FIG. 2, the biofilm filtration tank 4 comprises a casing cylinder 4c made of FRP and a flat plate 4.
The outer shell is composed of a and 4b. In the outer shell of the biofilm filtration tank 4, a carrier receiving plate 3 having a large number of small holes made of FRP or stainless steel at its bottom is formed.
2a is laid, and a predetermined amount of porous ceramics carrier 23 (trade name Hypermix, so-called foam glass) is filled (filling density, 60 to 70% by volume) on it. Here, the raw water to be treated is CO 2 and H 2 due to oxygen supplied from an air diffusing pipe (described later) while flowing down between the ceramics carriers 23 by the aerobic microorganisms attached to the porous ceramics carrier 32. Decomposed into O and
It is purified by the two functions of bio-catalytic oxidation and physical filtration into transparent treated water.
【００１８】また、担体受板３２ａと多孔質セラミック
ス担体２３との間には、１５〜２５ｍｍ径の砕石（丸
石）が５０〜１５０ｍｍ厚で支持層３２として敷かれて
いる。Between the carrier receiving plate 32a and the porous ceramic carrier 23, a crushed stone (cobblestone) having a diameter of 15 to 25 mm is laid as a support layer 32 with a thickness of 50 to 150 mm.
【００１９】さらに、その外殻の上部の平皿板４ｂに
は、逆洗排水管２１、非常逆止弁４０、流入管４１が配
設されていて、所定の浄化層としての機能を果たすよう
になっている。Further, a backwash drain pipe 21, an emergency check valve 40, and an inflow pipe 41 are provided on the flat plate plate 4b above the outer shell so as to perform a function as a predetermined purification layer. Has become.
【００２０】生物膜濾過槽４の底部に配設したＦＲＰま
たはステンレススチール製の担体受板３２ａの真下に
は、この内に収容される部材を分解して示す図３に示す
ように、ＦＲＰからなる支持架台３２ｂが配設されて担
体受板３２ａを保持するようになっている。また、この
支持架台３２ｂには散気管サポート受け３２ｃが固着さ
れていて、図５に示すように、このサポート受け３２ｃ
に散気取付具３２ｄが所定個数（例えば４個）取り付け
られて塩化ビニール製の口字型あるいは日字型をした散
気管２２を挾持できるようになっている。この散気管２
２には、多数の散気孔（図示せず）が開孔されている。
この散気管２２には、図６の配管図に示すように、仕切
弁４４を経てブロワー４５により吸引された空気は仕切
弁４２，４３を経て供給される。Immediately below the FRP or stainless steel carrier receiving plate 32a arranged at the bottom of the biofilm filtration tank 4, as shown in FIG. The supporting stand 32b is formed to hold the carrier receiving plate 32a. Further, an air diffuser support receiver 32c is fixed to the support base 32b, and as shown in FIG.
A predetermined number (for example, four) of air diffusing fixtures 32d are attached to the air diffusing fixtures 32d so that the air diffusing pipe 22 made of vinyl chloride and having a letter-shaped or date-shaped configuration can be held. This air diffuser 2
A large number of air diffuser holes (not shown) are opened in 2.
As shown in the piping diagram of FIG. 6, the air sucked by the blower 45 through the gate valve 44 is supplied to the air diffuser 22 through the gate valves 42 and 43.
【００２１】さらに、図３と図４に示すように、塩化ビ
ニールからなる逆洗水流出口２７が散気管２２直下の平
面板４ａに取付けられていて、逆洗時に逆洗水を生物膜
濾過槽４の下部から導入するとともに、処理水を隣接し
た処理水槽５に逆水できるようになっている。なお、沈
殿分離槽第２室３からの原水は、図２に示すように、生
物膜濾過槽４の上部に設けた流入管４１から濾過槽４内
に流入するようになっている。Further, as shown in FIGS. 3 and 4, a backwash water outlet 27 made of vinyl chloride is attached to the flat plate 4a immediately below the air diffusing pipe 22 to remove the backwash water during the backwash. 4 is introduced from the lower part, and the treated water can be backwashed into the adjacent treated water tank 5. The raw water from the second chamber 3 of the precipitation separation tank is designed to flow into the filtration tank 4 from an inflow pipe 41 provided at the upper portion of the biofilm filtration tank 4, as shown in FIG.
【００２２】次に上述したようにして構成される本発明
の生物膜濾過槽４の実施例の作用について説明する。ま
ず、この濾過槽４に隣接した沈殿分離槽３で沈殿・分離
された原水は、濾過槽４の上部に設けた流入管４１から
濾過槽４内に流入する。流入した原水は、濾過槽４内に
充填された多孔質ゼラミックス担体２３の間を散気管２
２の散気孔から散気される空気に曝されて流下する間に
担体２３に付着した好気性微生物と供給される空気中の
酸素とによりＣＯ２とＨ２Ｏに分解され、生物接触酸化
と物理的濾過との２つの機能により浄化されて透明な処
理水となる。ここで、処理水は、生物膜濾過槽４の底部
に配設した逆洗水流出口２７から矢印で示すように下流
側に隣接した処理水槽５へ送水され、所定の消毒をされ
た後、透明かつ水質の良い処理水として放流ポンプ槽６
から系外へ放流される。Next, the operation of the embodiment of the biofilm filtration tank 4 of the present invention constructed as described above will be explained. First, the raw water precipitated and separated in the sedimentation separation tank 3 adjacent to the filtration tank 4 flows into the filtration tank 4 through the inflow pipe 41 provided in the upper portion of the filtration tank 4. The raw water that has flowed in flows through the space between the porous geramix carriers 23 filled in the filtration tank 4 into the air diffuser 2
2 is decomposed into CO 2 and H 2 O by the aerobic microorganisms adhering to the carrier 23 and oxygen in the air supplied while being exposed to the air diffused from the air diffuser 2 and flowing down, and biological contact oxidation and It is purified by two functions of physical filtration and becomes transparent treated water. Here, the treated water is sent from the backwash water outlet 27 arranged at the bottom of the biofilm filtration tank 4 to the treated water tank 5 adjacent to the downstream side as shown by the arrow, and after being subjected to predetermined disinfection, it is transparent. And discharge pump tank 6 as treated water with good water quality
Is released from the system.
【００２３】多孔質セラミックス担体２３の逆洗が必要
な場合には、逆洗ポンプ１８を駆動させて処理水槽５内
の処理水を逆洗水として逆洗水流出口２７から濾過槽４
の底部に送水する。送水された逆洗水は砕石からなる支
持槽３２を通過して濾過槽４内に流れ込み、その内を上
昇する間に多孔質セラミックス担体２３を逆洗して、そ
の付着物を除去する。この間にセラミックス担体２３は
２０〜３０％（容量）上昇する。この逆洗水は、別の逆
洗管２１により沈殿分離室第１室２へ送水される。When it is necessary to backwash the porous ceramics carrier 23, the backwash pump 18 is driven to use the treated water in the treated water tank 5 as backwash water from the backwash water outlet 27 to the filtration tank 4.
Water to the bottom of. The sent backwash water passes through the support tank 32 made of crushed stone and flows into the filtration tank 4, and while ascending therein, the porous ceramics carrier 23 is backwashed to remove the deposits. During this period, the ceramic carrier 23 rises by 20 to 30% (volume). This backwash water is sent to another settling chamber first chamber 2 by another backwash pipe 21.
【００２４】このように、薄い円板状の生物膜濾過槽４
を用いることにより、例えば１００人槽で従来のものと
比較すると４．４ｍ3 の生物膜濾過槽の場合２５７０ｍ
ｍの厚さであったものが、この発明の生物膜濾過槽の採
用により８３０ｍｍの厚さとなり槽長が１／３に短縮さ
れ、無駄なスペースが解消された。In this way, the thin disk-shaped biofilm filtration tank 4
For example, in the case of a 100 person tank, compared with the conventional one, it is 2570 m in the case of a biofilm filtration tank of 4.4 m 3
The thickness of m was 830 mm, but the length was shortened to 1/3 by adopting the biofilm filtration tank of the present invention, and the wasted space was eliminated.
【００２５】[0025]
【発明の効果】この発明の生物膜濾過槽は、上述したよ
うに薄い円板状の外殻内に多孔質セラミックス担体等の
所要部材を機能的に装填してあるので、同一容量の従来
の濾過槽と比べて大巾に槽長を短くできるようになる。
その結果、無駄なスペースが除去され全体として浄化槽
のコンパクト化とその原価低減が図れ、浄化槽の大型化
に対応できるようになる。また、多孔質セラミックス担
体の使用により十分な原水の接触酸化と物理的濾過が行
われる効果があり消費電力の省エネ化が図れる。As described above, the biofilm filtration tank of the present invention has the thin disk-shaped outer shell functionally loaded with the required members such as the porous ceramics carrier, so that the conventional membrane of the same capacity can be used. The tank length can be greatly shortened compared to the filtration tank.
As a result, useless space is removed, the septic tank can be made compact as a whole and its cost can be reduced, and the septic tank can be made larger. In addition, the use of the porous ceramics carrier has the effect of sufficiently performing the catalytic oxidation of the raw water and the physical filtration, thereby saving the power consumption.
【図１】本発明の生物膜濾過槽を用いた浄化槽の一実施
例の縦断断面図。FIG. 1 is a vertical cross-sectional view of an embodiment of a septic tank using the biofilm filtration tank of the present invention.
【図２】図１に示した浄化槽の生物膜濾過槽の斜視図。FIG. 2 is a perspective view of a biofilm filtration tank of the septic tank shown in FIG.
【図３】図２に示した生物膜濾過槽の斜視図であって、
担体受板と散気管を支持架台から取り外した図。3 is a perspective view of the biofilm filtration tank shown in FIG.
The figure which removed the carrier receiving plate and the air diffuser from the support stand.
【図４】図１に示した生物膜濾過槽の底部の横断断面
図。4 is a cross-sectional view of the bottom of the biofilm filtration tank shown in FIG.
【図５】図３に示した散気管取付具の拡大斜視図。5 is an enlarged perspective view of the air diffusing tube fitting shown in FIG.
【図６】散気管の配管系統図。FIG. 6 is a piping system diagram of an air diffuser.
【図７】従来の浄化槽の縦断断面図。FIG. 7 is a vertical cross-sectional view of a conventional septic tank.
【図８】図７のVIII−VIII矢視横断断面図。8 is a cross-sectional view taken along the line VIII-VIII of FIG.
１ 浄化槽 ２ 沈殿分離槽第１室 ３ 沈殿分離槽第２室 ４ 生物膜濾過槽 ５ 処理水槽 ６ 放流ポンプ槽 ７ 導入管 ８ 阻流板 ９ 移流口 １０ 移流口 １２ 間欠定量ポンプ １６ 放流ポンプ １７ 放流管 １８ 逆洗ポンプ １９ 処理水戻しエアリフト ２０ 処理水戻し管 ２１ 逆洗管（沈殿分離槽） ２２ 散気管 ２３ 多孔質セラミックス担体 ２７ 逆洗管（生物膜濾過槽） ３２ 支持層 ３２ｂ 支持架台 ３２ｃ 散気管サポート ３２ｄ 散気管取付具 1 Septic tank 2 Precipitation separation tank 1st chamber 3 Precipitation separation tank 2nd chamber 4 Biofilm filtration tank 5 Treated water tank 6 Discharge pump tank 7 Introducing pipe 8 Barrier plate 9 Admission port 10 Admission port 12 Intermittent metering pump 16 Discharge pump 17 Discharge Pipe 18 Backwash pump 19 Treated water return air lift 20 Treated water return pipe 21 Backwash pipe (sedimentation separation tank) 22 Air diffuser 23 Porous ceramic carrier 27 Backwash pipe (Biofilm filtration tank) 32 Support layer 32b Support frame 32c Scatter Tracheal support 32d diffuser fitting
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成５年１１月１７日[Submission date] November 17, 1993
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１０[Correction target item name] 0010
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００１０】そこで、この発明では生物膜濾過槽を薄い
円板状のケーシングで構成して、その内に所要の部材を
装填して濾過槽の厚みをできるだけ薄くして浄化槽全体
のコンパクト化とその製作原価の低減を図ることを目的
とする。In view of this, in the present invention, the biofilm filtration tank is made up of a thin disk-shaped casing, and the necessary members are loaded into the biofilm filtration tank to make the thickness of the filtration tank as thin as possible to make the entire purification tank compact and The purpose is to reduce production costs.
Claims (4)
配設した担体受板と、該担体受板上に充填した多数の担
体と、上記担体受板の真下に配設した散気管と、逆洗水
流出口と、前記ケーシングの上部に配設した原水の流入
管と、からなる生物膜濾過槽。1. A disk type casing, a carrier receiving plate arranged in the casing, a large number of carriers filled on the carrier receiving plate, and an air diffusing tube arranged just below the carrier receiving plate. A biofilm filtration tank comprising a backwash water outlet and a raw water inflow pipe disposed above the casing.
る請求項１記載の生物膜濾過槽。2. The biofilm filtration tank according to claim 1, wherein the carrier comprises a porous ceramic carrier.
に充填されている請求項１記載の生物膜濾過槽。3. The biofilm filtration tank according to claim 1, wherein the carrier is packed on a support layer composed of a large number of crushed stones.
請求項１記載の生物膜濾過槽。4. The biofilm filtration tank according to claim 1, wherein the backwash water outlet also serves as a treated water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5273767A JPH07124578A (en) | 1993-11-01 | 1993-11-01 | Biomembrane filter tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5273767A JPH07124578A (en) | 1993-11-01 | 1993-11-01 | Biomembrane filter tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07124578A true JPH07124578A (en) | 1995-05-16 |
Family
ID=17532299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5273767A Pending JPH07124578A (en) | 1993-11-01 | 1993-11-01 | Biomembrane filter tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07124578A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014040702A (en) * | 2012-08-21 | 2014-03-06 | Bio Mict:Kk | Circulation type toilet |
| JP2016175020A (en) * | 2015-03-20 | 2016-10-06 | フジクリーン工業株式会社 | Frame and wastewater treatment apparatus |
| JP2016175019A (en) * | 2015-03-20 | 2016-10-06 | フジクリーン工業株式会社 | Frame and wastewater treatment apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6475095A (en) * | 1987-09-16 | 1989-03-20 | Shikoku Electrical Constr | Soil water purifying method and purifying device |
| JPH02157094A (en) * | 1988-12-07 | 1990-06-15 | Ebara Infilco Co Ltd | Batchwise biomembrane filtering method and apparatus |
| JPH0522095B2 (en) * | 1984-10-18 | 1993-03-26 | Daihatsu Motor Co Ltd | |
| JP3083697B2 (en) * | 1993-12-27 | 2000-09-04 | ミサワホーム株式会社 | Ceiling structure |
-
1993
- 1993-11-01 JP JP5273767A patent/JPH07124578A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0522095B2 (en) * | 1984-10-18 | 1993-03-26 | Daihatsu Motor Co Ltd | |
| JPS6475095A (en) * | 1987-09-16 | 1989-03-20 | Shikoku Electrical Constr | Soil water purifying method and purifying device |
| JPH02157094A (en) * | 1988-12-07 | 1990-06-15 | Ebara Infilco Co Ltd | Batchwise biomembrane filtering method and apparatus |
| JP3083697B2 (en) * | 1993-12-27 | 2000-09-04 | ミサワホーム株式会社 | Ceiling structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014040702A (en) * | 2012-08-21 | 2014-03-06 | Bio Mict:Kk | Circulation type toilet |
| JP2016175020A (en) * | 2015-03-20 | 2016-10-06 | フジクリーン工業株式会社 | Frame and wastewater treatment apparatus |
| JP2016175019A (en) * | 2015-03-20 | 2016-10-06 | フジクリーン工業株式会社 | Frame and wastewater treatment apparatus |
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