JP2002066581A - Combined treatment device - Google Patents
Combined treatment deviceInfo
- Publication number
- JP2002066581A JP2002066581A JP2000257561A JP2000257561A JP2002066581A JP 2002066581 A JP2002066581 A JP 2002066581A JP 2000257561 A JP2000257561 A JP 2000257561A JP 2000257561 A JP2000257561 A JP 2000257561A JP 2002066581 A JP2002066581 A JP 2002066581A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- treatment
- wastewater
- septic tank
- single treatment
- 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.)
- Granted
Links
- 239000002351 wastewater Substances 0.000 claims abstract description 48
- 238000012545 processing Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 5
- 238000000746 purification Methods 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 8
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 239000010806 kitchen waste Substances 0.000 abstract description 2
- 239000010791 domestic waste Substances 0.000 abstract 3
- 238000004062 sedimentation Methods 0.000 description 15
- 238000005273 aeration Methods 0.000 description 13
- 238000000926 separation method Methods 0.000 description 13
- 239000010800 human waste Substances 0.000 description 9
- 238000004659 sterilization and disinfection Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y02W10/12—
Landscapes
- Treatment Of Biological Wastes In General (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、屎尿と、台所排
水、洗濯排水、洗面・浴室排水等の生活雑排水の浄化処
理を可能とする合併処理化装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combined treatment apparatus capable of purifying human waste and household wastewater such as kitchen wastewater, laundry wastewater, washbasin and bathroom wastewater.
【０００２】[0002]
【従来の技術】従来から、屎尿の浄化を行う装置として
は、単独処理浄化槽を用いている。図３は、分離接触ば
っ気方式の単独処理浄化槽を示す概略断面図である。屎
尿は、流入口２から沈殿分離室３へと流入し、固液分離
及び嫌気処理が行われ、接触ばっ気室４へと移流する。
接触ばっ気室４内では、移流した水が散気管７から散気
される空気の泡により攪拌されて接触材８に接触し、栄
養基質の酸化除去が徐々に行われる。接触材８は、攪拌
を継続していると生物膜が厚く堆積し閉塞するので、定
期的に逆洗管９より空気泡を吐出することで生物膜を剥
離させる。接触ばっ気室４を通過した水は、沈殿室５に
て固形分の沈殿分離を行ってから、分離した上澄み液を
消毒室６へと移流させ、滅菌処理を施した後に流出口１
０より放流される構成となっている。なお、好気処理方
法として接触ばっ気法を示したが、空気泡を放散して空
気攪拌のみによるばっ気方法もある。2. Description of the Related Art Conventionally, a single treatment septic tank has been used as an apparatus for purifying human waste. FIG. 3 is a schematic cross-sectional view showing a single treatment septic tank of a separate contact aeration type. Human waste flows into the sedimentation separation chamber 3 from the inflow port 2, is subjected to solid-liquid separation and anaerobic treatment, and is transferred to the contact aeration chamber 4.
In the contact aeration chamber 4, the transferred water is agitated by air bubbles diffused from the diffuser 7 and contacts the contact material 8, whereby the nutrient substrate is gradually oxidized and removed. If the contact material 8 is continuously stirred, the biofilm is thickly deposited and clogged. Therefore, the biofilm is peeled off by periodically discharging air bubbles from the backwash tube 9. After the water that has passed through the contact aeration chamber 4 is subjected to sedimentation and separation of solids in the sedimentation chamber 5, the separated supernatant liquid is transferred to the disinfection chamber 6, sterilized, and subjected to the outlet 1.
It is configured to be discharged from 0. In addition, although the contact aeration method was shown as an aerobic treatment method, there is also an aeration method using only air stirring by dispersing air bubbles.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、単独処
理浄化槽は、容量が小さく処理すべき水の種類が屎尿に
限定され、台所排水、洗濯排水、洗面排水及び浴室排水
等の生活雑排水を処理できないとの課題を有している。
このような問題は、既設の単独処理浄化槽を撤去して新
たに合併処理浄化槽を設置することで解決できるが、施
工費用が高額となるばかりでなく、多くの単独処理浄化
槽がＦＲＰ製であることから、不要となった単独処理浄
化槽の処分に関しても新たな問題を発生させていた。ま
た、単独処理浄化槽を掘り起こすことなく、埋め殺す場
合には、処分に関する問題は発生しないものの、土地の
有効活用ができないとする別の問題を発生させている。However, the single treatment septic tank has a small capacity and the type of water to be treated is limited to human waste, and cannot treat household wastewater such as kitchen wastewater, washing wastewater, washbasin wastewater and bathroom wastewater. And has the subject.
This problem can be solved by removing the existing single treatment septic tank and installing a new merged treatment septic tank. However, not only is the construction cost high, but also many single treatment septic tanks are made of FRP. Therefore, a new problem has arisen regarding the disposal of the single-use septic tank that is no longer required. In addition, when burying a single treatment septic tank without excavating it, there is no problem with disposal, but another problem arises that land cannot be effectively used.
【０００４】本発明は、上記のような課題に鑑みてなさ
れたものであり、既設の単独処理浄化槽を有効利用する
ことで、単独処理浄化槽の処分問題を解決すると共に、
新たに合併処理浄化槽を購入するよりも安価に屎尿処理
と生活雑排水処理を可能とする合併処理化装置を提供す
る。[0004] The present invention has been made in view of the above problems, and solves the disposal problem of the single treatment septic tank by effectively utilizing the existing single treatment septic tank.
Provided is a merger treatment apparatus that enables human waste treatment and household wastewater treatment at a lower cost than purchasing a new merger treatment septic tank.
【０００５】[0005]
【課題を解決するための手段】本発明の合併処理化装置
は、既設の少なくとも好気処理部を有した単独処理浄化
槽を利用して、単独処理浄化槽の上流側に前処理槽を接
続することにより、屎尿と、台所排水、洗濯排水、洗面
・浴室排水等の生活雑排水の浄化処理を可能とする構成
を有する。前処理槽は屎尿排水配管、および台所排水、
洗濯排水、洗面・浴室排水等の生活雑排水配管が連結さ
れると共に、下流側に配設する単独処理浄化槽への移流
量の調節を実行する流量調整機構を備え、単独処理浄化
槽への移流量を調節して確実な好気処理を実行する。ま
た、前処理槽の最低水位よりも下方に濾床が形成されて
いる。さらに、前処理槽は単独処理浄化槽に接続する単
独処理浄化槽から汚水を返送する返送配管を配設し、単
独処理浄化槽内の汚水を前処理槽に返送する構成を具備
する。According to the present invention, a pretreatment tank is connected to an upstream side of a single treatment septic tank using an existing single treatment septic tank having at least an aerobic treatment section. Thus, the waste water and kitchen waste water, laundry waste water, washing water and bathroom waste water and other wastewater waste can be purified. Pretreatment tanks are for human waste drainage piping, kitchen wastewater,
Household drainage pipes such as washing drainage, washbasin and bathroom drainage are connected, and a flow rate adjustment mechanism that adjusts the flow rate to the single treatment septic tank installed downstream is provided. To perform reliable aerobic treatment. Further, a filter bed is formed below the lowest water level of the pretreatment tank. Further, the pretreatment tank is provided with a return pipe connected to the single treatment septic tank for returning sewage from the single treatment septic tank, and configured to return the sewage in the single treatment septic tank to the pretreatment tank.
【０００６】[0006]
【発明の実施の形態】次に図面を参照して発明の実施の
形態を説明する。本発明の合併処理化装置を構成する単
独処理浄化槽は、少なくとも好気処理部を有するもので
あれば良く、嫌気処理部及び好気処理部を有するもので
あってもよい。具体的には、従来技術にて説明したよう
に、流入口及び流出口を有し、内部に上流側から沈殿分
離室、接触ばっ気室、沈殿室、消毒室を設けたものを好
適に用いることができる。Embodiments of the present invention will now be described with reference to the drawings. The single treatment septic tank constituting the combined treatment apparatus of the present invention may have at least an aerobic treatment section, and may have an anaerobic treatment section and an aerobic treatment section. Specifically, as described in the related art, a device having an inflow port and an outflow port, and provided with a sedimentation separation chamber, a contact aeration chamber, a sedimentation chamber, and a disinfection chamber from the upstream side is preferably used. be able to.
【０００７】本発明の流量調整機構を有する前処理槽は
既設の単独処理浄化槽の上流側に配設され、下流側に汚
水を移流する際に移流量を調整する機構、例えばポンプ
などの汲み上げ手段により汲み上げ量を調節して単独処
理浄化槽への排水の移流量を調整している。ポンプはエ
アリフトポンプが好適に用いられる。A pretreatment tank having a flow rate adjusting mechanism according to the present invention is disposed upstream of an existing single treatment septic tank, and a mechanism for adjusting a transfer rate when transferring wastewater to a downstream side, for example, pumping means such as a pump. The amount of pumped water is adjusted to adjust the flow rate of wastewater to the single treatment septic tank. As the pump, an air lift pump is preferably used.
【０００８】前処理槽には屎尿排水と台所排水、洗濯排
水、洗面・浴室排水等の生活雑排水が流入される構成と
なっている。そして、前処理槽において排水は濾床にて
嫌気処理が実行される。また、移流量が調整された単独
浄化処理槽において好気処理を実行している。The pretreatment tank is configured to receive household wastewater and household wastewater such as kitchen wastewater, laundry wastewater, and washroom / bathroom wastewater. In the pretreatment tank, the wastewater is subjected to anaerobic treatment on a filter bed. In addition, aerobic treatment is performed in the single purification treatment tank whose flow rate has been adjusted.
【０００９】さらに、前処理槽と単独処理浄化槽とは単
独処理浄化槽の汚水を搬送する配管が接続されており、
単独処理浄化槽の汚水は前処理槽に返送されて、再度嫌
気処理され、単独処理浄化槽において好気処理が実行さ
れるので、確実な汚水浄化処理の達成が図られる。ま
た、単独処理浄化槽内の好気処理によって生成された硝
化液が前処理槽内に返送されると、嫌気状態にて脱窒反
応を起こし脱窒される。Further, a pipe for conveying sewage of the single treatment septic tank is connected to the pretreatment tank and the single treatment septic tank.
The sewage in the single treatment septic tank is returned to the pretreatment tank, subjected to anaerobic treatment again, and aerobic treatment is performed in the single treatment septic tank. In addition, when the nitrification liquid generated by the aerobic treatment in the single treatment septic tank is returned to the pretreatment tank, a denitrification reaction occurs in an anaerobic state and denitrification occurs.
【００１０】（実施例）以下図面を用いて、本発明の実
施例を説明する。図１、２は、本発明の一実施例を示す
合併処理化装置１００の構成説明図であり、図１は概略
側断面図を示し、図２は概略平面図を示す。An embodiment of the present invention will be described below with reference to the drawings. 1 and 2 are explanatory views of the configuration of a merged processing apparatus 100 showing one embodiment of the present invention. FIG. 1 shows a schematic side sectional view, and FIG. 2 shows a schematic plan view.
【００１１】合併処理化装置１００は、屎尿排水ａと台
所排水、洗濯排水、洗面・浴室排水等の生活雑排水ｂを
流入させる前処理槽である第１の処理槽１０と、第１の
処理槽１０の下流側に配設する第２の処理槽２０を有す
る。そして、第２の処理槽２０は、既設の単独処理浄化
槽を用いている。第１の処理槽１０は流入口１１を屎尿
配管、生活雑排水管に接続する。流出口１３は連結配管
５５を介して第２の処理槽２０の流入口２１に接続して
いる。第１の処理槽１０は、ポンプ１５を配設し、ポン
プ１５で汲み上げた排水を第２の処理槽２０に移送して
いる。また、第１の処理槽は、ポンプ１５により水面が
上下動するが、その最低水位（ＬＷＬ）よりも下方に充
填材により濾床を形成させてもよい。充填材（濾材）
は、網様円筒状、骨格様球状、板状ヘチマ様、小円筒
状、波板状等がある。The combined treatment apparatus 100 includes a first treatment tank 10 as a pretreatment tank into which human wastewater a and kitchen wastewater, laundry wastewater, and other household wastewater b such as washbasin and bathroom wastewater are introduced, and a first treatment tank. A second processing tank 20 is provided downstream of the tank 10. The second treatment tank 20 uses an existing single treatment purification tank. The first treatment tank 10 connects the inflow port 11 to a human waste pipe and a household drain pipe. The outflow port 13 is connected to the inflow port 21 of the second processing tank 20 via a connection pipe 55. The first processing tank 10 is provided with a pump 15, and transfers the wastewater pumped up by the pump 15 to the second processing tank 20. In addition, although the water surface of the first treatment tank is moved up and down by the pump 15, a filter bed may be formed with a filler below the lowest water level (LWL). Filler (filter material)
Examples of the shape include a net-like cylindrical shape, a skeleton-like spherical shape, a plate-like loofah-like shape, a small cylindrical shape, and a corrugated shape.
【００１２】第２の処理槽２０は、既設のものを利用す
る。既設の単独処理浄化槽は内部構造を、少なくとも接
触ばっき室、沈殿室、消毒室を備えているものである。
図示される単独処理浄化槽は、上流側から流入口２１、
沈殿分離室２２、接触ばっ気室２３、沈殿室２４、消毒
室２５、流出口２６を設けている。そして、第２の処理
槽２０には第１の処理槽１０に第２の処理槽２０の汚水
を返送する返送配管５３を設置し、第１の処理槽１０に
連結させている。また、第２の処理槽２０の底部分に堆
積する汚泥は定期的に図示しない引き抜き手段により引
き抜かれている。また、単独処理浄化槽が沈殿分離室２
２を有する場合には、沈殿分離室２２内に散気手段２７
を新設し、空気を供給することによって、好気処理室
（ばっ気室）に改造すると、さらに浄化能力を向上させ
ることができる。An existing one is used as the second processing tank 20. The existing single treatment septic tank has an internal structure at least including a contact chamber, a sedimentation chamber, and a disinfection chamber.
The single treatment septic tank shown in the figure has an inlet 21 from the upstream side,
A sedimentation separation chamber 22, a contact aeration chamber 23, a sedimentation chamber 24, a disinfection chamber 25, and an outlet 26 are provided. The second treatment tank 20 is provided with a return pipe 53 for returning the wastewater from the second treatment tank 20 to the first treatment tank 10 and connected to the first treatment tank 10. The sludge that accumulates at the bottom of the second processing tank 20 is regularly extracted by unillustrated extraction means. In addition, a single treatment septic tank is used in the sedimentation separation chamber 2
2 is provided in the sedimentation separation chamber 22,
If a new aerobic treatment chamber (aeration chamber) is installed by supplying air and supplying air, the purification capacity can be further improved.
【００１３】次に、水の流れについて説明する。家庭か
ら排出される屎尿排水ａおよび生活雑排水ｂは、流入口
１１から第１の処理槽１０内に流入する。そこで、夾雑
物の除去と嫌気分解が実行される。そして、ポンプ１５
の稼動により第１の処理槽１０内の排水は汲み上げられ
て流出口１３から第１の連結配管５１を通って第２の処
理槽２０内に流入する。Next, the flow of water will be described. Manure wastewater a and household wastewater b discharged from the home flow into the first treatment tank 10 from the inflow port 11. Therefore, removal of impurities and anaerobic decomposition are performed. And the pump 15
The wastewater in the first processing tank 10 is pumped up by the operation of, and flows into the second processing tank 20 from the outflow port 13 through the first connection pipe 51.
【００１４】ポンプ１５で移流量を調節されて移送され
る排水は、第２の処理槽（単独処理浄化槽）２０の流入
口２１から沈殿分離室２２へと流入する。そして、沈殿
分離室２２において散気手段２７によって好気処理（す
なわち有機物の酸化・分解とアンモニアの硝化）が行わ
れる。そして、接触ばっ気室２３にて同様に好気処理が
行われる。接触ばっ気室２３を通過した汚水は、沈殿室
２４内でＳＳ（浮遊物質）の沈降分離を行い、消毒室２
５にて滅菌処理を行われた後に流出口２６から排出され
る。The wastewater whose transfer flow rate is adjusted by the pump 15 flows into the sedimentation separation chamber 22 from the inlet 21 of the second processing tank (single processing purification tank) 20. Then, aerobic treatment (that is, oxidation and decomposition of organic substances and nitrification of ammonia) is performed in the precipitation separation chamber 22 by the air diffuser 27. Then, the aerobic treatment is similarly performed in the contact aeration chamber 23. The sewage that has passed through the contact aeration chamber 23 performs sedimentation and separation of SS (floating substances) in the sedimentation chamber 24,
After being sterilized in step 5, it is discharged from the outlet 26.
【００１５】このように構成される合併処理化装置は第
２の処理槽として既設の単独処理浄化槽を用いているの
で、単独処理浄化槽の廃棄問題を解決できると共に、流
量調整を実行する第１の処理槽により第２の処理槽（単
独処理浄化槽）の処理量が調整されるので、容量が小さ
い既設の単独処理浄化槽を第２の処理槽として用いても
多量となる屎尿と生活雑排水の合併処理が実行できる。[0015] Since the merged treatment apparatus configured as described above uses the existing single treatment septic tank as the second treatment tank, the problem of discarding the single treatment septic tank can be solved, and the first flow rate adjustment is performed. Since the treatment volume of the second treatment tank (single treatment septic tank) is adjusted by the treatment tank, a large amount of human waste and household wastewater will be merged even if an existing single treatment septic tank with a small capacity is used as the second treatment tank. Processing can be performed.
【００１６】[0016]
【発明の効果】本発明は、第１の処理槽を付加するだけ
で既設の単独処理浄化槽を利用して屎尿と生活雑排水の
合併処理を可能とすると共に、単独処理浄化槽を処分し
新たな合併処理浄化槽を設置する場合に比較し安価に合
併処理を行うことが可能であり、単独処理浄化槽の処分
問題を解決できる。According to the present invention, by simply adding the first treatment tank, it is possible to use the existing single treatment septic tank to carry out the combined treatment of human waste and household wastewater, and to dispose of the single treatment septic tank to obtain a new treatment. Merger treatment can be performed at a lower cost than when a merger treatment septic tank is installed, and the disposal problem of a single treatment septic tank can be solved.
【００１７】また、第１の処理槽に流量調節機構を持た
せることにより、下流側に配設する第２の処理槽（既設
の単独処理浄化槽）への排水流入量を規制でき、過負荷
をかけることがない。また、第２の処理槽（既設の単独
処理浄化槽）に汚水の第１処理槽への返送配管を設けて
いるので、浄化処理が促進し、脱窒も可能となる。さら
に、第１の処理槽内に濾床を配設し、第２の処理槽内に
沈殿分離室がある場合、散気手段を配設して沈殿分離室
を好気処理室に改造することによって、より高度な処理
水を得ることができる。Further, by providing the first treatment tank with a flow rate adjusting mechanism, the amount of wastewater flowing into the second treatment tank (existing single treatment / purification tank) disposed downstream can be regulated, and overload can be reduced. I can't call it. In addition, since the second treatment tank (existing single treatment / purification tank) is provided with a pipe for returning the wastewater to the first treatment tank, the purification treatment is promoted, and denitrification becomes possible. Further, when a filter bed is provided in the first processing tank and a sedimentation separation chamber is provided in the second processing tank, a diffusing means is provided to convert the sedimentation separation chamber into an aerobic processing chamber. Thereby, more advanced treated water can be obtained.
【００１８】このように、本発明の合併処理浄化装置
は、第１の処理槽での嫌気処理、および流量調節による
前処理された汚水が既設の単独処理浄化槽に流入するの
で、既設の単独処理浄化槽における好気処理が確実に実
行でき、装置から排出される処理水は高度な（ＢＯＤ２
０ｍｇ／Ｌ以下）処理水質を確保できる。As described above, according to the combined treatment and purification apparatus of the present invention, the anaerobic treatment in the first treatment tank and the sewage pretreated by flow rate adjustment flow into the existing single treatment / purification tank. The aerobic treatment in the septic tank can be executed reliably, and the treated water discharged from the device is highly advanced (BOD2
(0 mg / L or less) The treated water quality can be secured.
【図１】本発明の実施の形態例を示す合併処理化装置の
概略断面図。FIG. 1 is a schematic cross-sectional view of a merge processing apparatus showing an embodiment of the present invention.
【図２】本発明の実施の形態例を示す合併処理化装置の
概略平面図。FIG. 2 is a schematic plan view of the merge processing apparatus showing an embodiment of the present invention.
【図３】分離接触ばっ気方式の単独処理浄化槽の従来例
を示す説明側面図。FIG. 3 is an explanatory side view showing a conventional example of a single treatment septic tank of a separate contact aeration type.
１０ 第１の処理槽 １１ 流入口 １００ 合併処理化装置 １３ 流出口 １４ 濾床 １５ ポンプ ２０ 第２の処理槽（単独処理浄化槽） ２１ 流入口 ２２ 沈殿分離室 ２３ 接触ばっ気室 ２４ 沈殿室 ２５ 消毒室 ２６ 流出口 ２７ 散気手段 ５１ 連結配管 ５３ 返送管 １００ 合併処理化装置 DESCRIPTION OF SYMBOLS 10 1st processing tank 11 Inflow port 100 Merger processing apparatus 13 Outflow port 14 Filter bed 15 Pump 20 2nd processing tank (single processing purification tank) 21 Inflow port 22 Precipitation separation chamber 23 Contact aeration chamber 24 Precipitation chamber 25 Disinfection Room 26 Outlet 27 Air diffuser 51 Connecting pipe 53 Return pipe 100 Merger processing equipment
Claims (3)
とにより、屎尿と、台所排水、洗濯排水、洗面・浴室排
水等の生活雑排水の浄化処理を可能とする合併処理化装
置であって、 前記前処理槽は、下流側への移流量の調節を実行する流
量調整機構を備え、単独処理浄化槽は、少なくとも好気
処理部を有し、前記前処理槽は屎尿排水配管、および台
所排水、洗濯排水、洗面・浴室排水等の生活雑排水配管
が連結され、単独処理浄化槽の上流側に前処理槽を配管
接続したことを特徴とする合併処理化装置。1. A combined treatment apparatus which enables purification treatment of household wastewater and household wastewater such as kitchen wastewater, laundry wastewater, washbasin and bathroom wastewater by connecting a pretreatment tank to a single treatment wastewater treatment tank. The pretreatment tank includes a flow rate adjustment mechanism that performs adjustment of a downstream flow rate, the single treatment / purification tank has at least an aerobic treatment unit, and the pretreatment tank is a wastewater drainage pipe, and a kitchen wastewater. A wastewater treatment pipe for washing, bathroom, bathroom, etc., and a pretreatment tank connected to the upstream side of the septic tank.
りも下方に濾床が形成されている請求項１記載の合併処
理化装置。2. The combined treatment apparatus according to claim 1, wherein a filter bed is formed below the lowest water level (LWL) in the pretreatment tank.
独処理浄化槽内の汚水を返送する返送管を配設し、単独
処理浄化槽内の汚水を前処理槽に返送するよう構成され
る請求項１又は２記載の合併処理化装置。3. The pretreatment tank is provided with a return pipe connected to the single treatment septic tank for returning sewage in the single treatment septic tank, and configured to return the sewage in the single treatment septic tank to the pretreatment tank. 3. The merge processing apparatus according to 1 or 2.
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|---|---|---|---|---|
| CN113600596A (en) * | 2021-07-30 | 2021-11-05 | 丁庆 | Kitchen waste integrated septic tank in-situ treatment integrated system and treatment method |
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2000
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|---|---|---|---|---|
| CN113600596A (en) * | 2021-07-30 | 2021-11-05 | 丁庆 | Kitchen waste integrated septic tank in-situ treatment integrated system and treatment method |
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